TSTP Solution File: SYN891-1 by Zipperpin---2.1.999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.999
% Problem  : SYN891-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.Nkkp5XTwgw true

% Computer : n002.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep 30 00:06:14 EDT 2022

% Result   : Unsatisfiable 0.55s 0.97s
% Output   : Refutation 0.55s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN891-1 : TPTP v8.1.0. Released v2.5.0.
% 0.13/0.13  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.Nkkp5XTwgw true
% 0.13/0.34  % Computer : n002.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Mon Sep  5 09:16:48 EDT 2022
% 0.19/0.35  % CPUTime  : 
% 0.19/0.35  % Running portfolio for 300 s
% 0.19/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.35  % Number of cores: 8
% 0.19/0.35  % Python version: Python 3.6.8
% 0.19/0.35  % Running in FO mode
% 0.54/0.63  % Total configuration time : 435
% 0.54/0.63  % Estimated wc time : 1092
% 0.54/0.63  % Estimated cpu time (7 cpus) : 156.0
% 0.54/0.71  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.54/0.71  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.54/0.72  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.54/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.54/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.54/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.54/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.55/0.97  % Solved by fo/fo7.sh.
% 0.55/0.97  % done 125 iterations in 0.169s
% 0.55/0.97  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.55/0.97  % SZS output start Refutation
% 0.55/0.97  thf(ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(ssNder1_3r1r1r1_type, type, ssNder1_3r1r1r1: $i > $i > $i > $o).
% 0.55/0.97  thf(ssNder1_1r1_type, type, ssNder1_1r1: $i > $o).
% 0.55/0.97  thf(ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(skc22_type, type, skc22: $i).
% 0.55/0.97  thf(ssNder1_5r1r1r1r1r1_type, type, ssNder1_5r1r1r1r1r1: $i > $i > $i > $i > 
% 0.55/0.97                                                           $i > $o).
% 0.55/0.97  thf(skc29_type, type, skc29: $i).
% 0.55/0.97  thf(ssNder1_8r1r1r1r1r1r1r1r1_type, type, ssNder1_8r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(ssPv15_6r1r1r1r1r1r1_type, type, ssPv15_6r1r1r1r1r1r1: $i > $i > $i > 
% 0.55/0.97                                                             $i > $i > $i > $o).
% 0.55/0.97  thf(skc26_type, type, skc26: $i).
% 0.55/0.97  thf(ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(ssNder1_6r1r1r1r1r1r1_type, type, ssNder1_6r1r1r1r1r1r1: $i > $i > $i > 
% 0.55/0.97                                                               $i > $i > $i > $o).
% 0.55/0.97  thf(skc23_type, type, skc23: $i).
% 0.55/0.97  thf(ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(skc28_type, type, skc28: $i).
% 0.55/0.97  thf(ssPv10_11r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv10_11r1r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(skc31_type, type, skc31: $i).
% 0.55/0.97  thf(ssPv19_2r1r1_type, type, ssPv19_2r1r1: $i > $i > $o).
% 0.55/0.97  thf(ssNder1_7r1r1r1r1r1r1r1_type, type, ssNder1_7r1r1r1r1r1r1r1: $i > $i > 
% 0.55/0.97                                                                   $i > $i > 
% 0.55/0.97                                                                   $i > $i > $i > $o).
% 0.55/0.97  thf(ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(ssNder1_10r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_10r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(ssPv13_8r1r1r1r1r1r1r1r1_type, type, ssPv13_8r1r1r1r1r1r1r1r1: $i > $i > 
% 0.55/0.97                                                                     $i > $i > 
% 0.55/0.97                                                                     $i > $i > 
% 0.55/0.97                                                                     $i > $i > $o).
% 0.55/0.97  thf(ssPv17_4r1r1r1r1_type, type, ssPv17_4r1r1r1r1: $i > $i > $i > $i > $o).
% 0.55/0.97  thf(ssNder1_0_type, type, ssNder1_0: $o).
% 0.55/0.97  thf(skc19_type, type, skc19: $i).
% 0.55/0.97  thf(ssNder1_4r1r1r1r1_type, type, ssNder1_4r1r1r1r1: $i > $i > $i > $i > $o).
% 0.55/0.97  thf(ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(ssPv18_3r1r1r1_type, type, ssPv18_3r1r1r1: $i > $i > $i > $o).
% 0.55/0.97  thf(ssNder1_9r1r1r1r1r1r1r1r1r1_type, type, ssNder1_9r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(skc27_type, type, skc27: $i).
% 0.55/0.97  thf(ssPv14_7r1r1r1r1r1r1r1_type, type, ssPv14_7r1r1r1r1r1r1r1: $i > $i > 
% 0.55/0.97                                                                 $i > $i > 
% 0.55/0.97                                                                 $i > $i > $i > $o).
% 0.55/0.97  thf(skc25_type, type, skc25: $i).
% 0.55/0.97  thf(ssPv16_5r1r1r1r1r1_type, type, ssPv16_5r1r1r1r1r1: $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(skc21_type, type, skc21: $i).
% 0.55/0.97  thf(ssNder1_2r1r1_type, type, ssNder1_2r1r1: $i > $i > $o).
% 0.55/0.97  thf(ssPv20_1r1_type, type, ssPv20_1r1: $i > $o).
% 0.55/0.97  thf(skc20_type, type, skc20: $i).
% 0.55/0.97  thf(ssNder1_11r1r1r1r1r1r1r1r1r1r1r1_type, type, ssNder1_11r1r1r1r1r1r1r1r1r1r1r1: 
% 0.55/0.97      $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $i > $o).
% 0.55/0.97  thf(clause29, conjecture,
% 0.55/0.97    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.97        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.97        ( ~( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc21 ) ) ))).
% 0.55/0.97  thf(zf_stmt_0, negated_conjecture,
% 0.55/0.97    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.97     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.97     ( ~( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc21 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause29])).
% 0.55/0.97  thf(zip_derived_cl57, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.97         (~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.97          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97               X7)
% 0.55/0.97          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8)
% 0.55/0.97          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8 @ X9)
% 0.55/0.97          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.97          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.97          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc21))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.55/0.97  thf(clause1, conjecture, (~( ssNder1_0 ))).
% 0.55/0.97  thf(zf_stmt_1, negated_conjecture, (ssNder1_0),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause1])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(clause2, conjecture, (~( ( ssNder1_1r1 @ U ) | ( ~( ssNder1_0 ) ) ))).
% 0.55/0.97  thf(zf_stmt_2, negated_conjecture,
% 0.55/0.97    (( ssNder1_1r1 @ U ) | ( ~( ssNder1_0 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause2])).
% 0.55/0.97  thf(zip_derived_cl84, plain,
% 0.55/0.97      (![X0 : $i]: ( (ssNder1_1r1 @ X0) | ~ (ssNder1_0))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(clause3, conjecture,
% 0.55/0.97    (~( ( ssNder1_2r1r1 @ U @ V ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.97        ( ~( ssNder1_1r1 @ U ) ) ))).
% 0.55/0.97  thf(zf_stmt_3, negated_conjecture,
% 0.55/0.97    (( ssNder1_2r1r1 @ U @ V ) | ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause3])).
% 0.55/0.97  thf(zip_derived_cl83, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:
% 0.55/0.97         ( (ssNder1_2r1r1 @ X0 @ X1) | ~ (ssNder1_0) | ~ (ssNder1_1r1 @ X0))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_3])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(clause4, conjecture,
% 0.55/0.97    (~( ( ssNder1_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.97        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) ))).
% 0.55/0.97  thf(zf_stmt_4, negated_conjecture,
% 0.55/0.97    (( ssNder1_3r1r1r1 @ U @ V @ W ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.97     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause4])).
% 0.55/0.97  thf(zip_derived_cl82, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.97         ( (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_4])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(clause5, conjecture,
% 0.55/0.97    (~( ( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.97        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) ))).
% 0.55/0.97  thf(zf_stmt_5, negated_conjecture,
% 0.55/0.97    (( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.97     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause5])).
% 0.55/0.97  thf(zip_derived_cl81, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97         ( (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_5])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(clause8, conjecture,
% 0.55/0.97    (~( ( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.97        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) ))).
% 0.55/0.97  thf(zf_stmt_6, negated_conjecture,
% 0.55/0.97    (( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.97     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause8])).
% 0.55/0.97  thf(zip_derived_cl78, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97         ( (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_6])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(clause11, conjecture,
% 0.55/0.97    (~( ( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) ))).
% 0.55/0.97  thf(zf_stmt_7, negated_conjecture,
% 0.55/0.97    (( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.97     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97     ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause11])).
% 0.55/0.97  thf(zip_derived_cl75, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97         ( (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_7])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(zip_derived_cl98, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96])).
% 0.55/0.97  thf(clause14, conjecture,
% 0.55/0.97    (~( ( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) ))).
% 0.55/0.97  thf(zf_stmt_8, negated_conjecture,
% 0.55/0.97    (( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 0.55/0.97     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause14])).
% 0.55/0.97  thf(zip_derived_cl72, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.97         ( (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_8])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(zip_derived_cl98, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96])).
% 0.55/0.97  thf(zip_derived_cl105, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.97          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.97  thf(clause17, conjecture,
% 0.55/0.97    (~( ( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) ))).
% 0.55/0.97  thf(zf_stmt_9, negated_conjecture,
% 0.55/0.97    (( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) | 
% 0.55/0.97     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause17])).
% 0.55/0.97  thf(zip_derived_cl69, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.97         ( (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_9])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(zip_derived_cl98, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96])).
% 0.55/0.97  thf(zip_derived_cl105, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.97          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.97  thf(zip_derived_cl106, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.97          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.97  thf(zip_derived_cl110, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.97         (~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97             X7 @ X8)
% 0.55/0.97          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8 @ X9)
% 0.55/0.97          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.97          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.97          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc21))),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl57, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106])).
% 0.55/0.97  thf(clause19, conjecture,
% 0.55/0.97    (~( ( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) ))).
% 0.55/0.97  thf(zf_stmt_10, negated_conjecture,
% 0.55/0.97    (( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) | 
% 0.55/0.97     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause19])).
% 0.55/0.97  thf(zip_derived_cl67, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i]:
% 0.55/0.97         ( (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97            X7 @ X8)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.97          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97               X7))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_10])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(zip_derived_cl98, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96])).
% 0.55/0.97  thf(zip_derived_cl105, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.97          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.97  thf(zip_derived_cl106, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.97          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.97  thf(zip_derived_cl114, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i]:
% 0.55/0.97          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106])).
% 0.55/0.97  thf(zip_derived_cl116, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.97         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97             X6 @ X7 @ X8 @ X9)
% 0.55/0.97          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.97          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.97          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc21))),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl110, zip_derived_cl114])).
% 0.55/0.97  thf(clause20, conjecture,
% 0.55/0.97    (~( ( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) ))).
% 0.55/0.97  thf(zf_stmt_11, negated_conjecture,
% 0.55/0.97    (( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) | 
% 0.55/0.97     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause20])).
% 0.55/0.97  thf(zip_derived_cl66, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.97         ( (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97            X6 @ X7 @ X8 @ X9)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.97          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97               X7)
% 0.55/0.97          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_11])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(zip_derived_cl98, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96])).
% 0.55/0.97  thf(zip_derived_cl105, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.97          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.97  thf(zip_derived_cl106, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.97          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.97  thf(zip_derived_cl114, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i]:
% 0.55/0.97          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106])).
% 0.55/0.97  thf(zip_derived_cl120, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.97          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8 @ X9)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.97  thf(clause21, conjecture,
% 0.55/0.97    (~( ( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) ))).
% 0.55/0.97  thf(zf_stmt_12, negated_conjecture,
% 0.55/0.97    (( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 0.55/0.97     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause21])).
% 0.55/0.97  thf(zip_derived_cl65, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.97         ( (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97            X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.97          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97               X7)
% 0.55/0.97          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8)
% 0.55/0.97          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8 @ X9))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_12])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(zip_derived_cl98, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96])).
% 0.55/0.97  thf(zip_derived_cl105, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.97          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.97  thf(zip_derived_cl106, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.97          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.97  thf(zip_derived_cl114, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i]:
% 0.55/0.97          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106])).
% 0.55/0.97  thf(zip_derived_cl120, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.97          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8 @ X9)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.97  thf(zip_derived_cl121, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.97          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.97  thf(clause22, conjecture,
% 0.55/0.97    (~( ( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) ))).
% 0.55/0.97  thf(zf_stmt_13, negated_conjecture,
% 0.55/0.97    (( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 0.55/0.97     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause22])).
% 0.55/0.97  thf(zip_derived_cl64, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.97         ( (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97            X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.97          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97               X7)
% 0.55/0.97          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8)
% 0.55/0.97          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8 @ X9)
% 0.55/0.97          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_13])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(zip_derived_cl98, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96])).
% 0.55/0.97  thf(zip_derived_cl105, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.97          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.97  thf(zip_derived_cl106, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.97          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.97  thf(zip_derived_cl114, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i]:
% 0.55/0.97          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106])).
% 0.55/0.97  thf(zip_derived_cl120, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.97          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8 @ X9)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.97  thf(zip_derived_cl121, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.97          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.97  thf(zip_derived_cl122, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.97          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.97                 zip_derived_cl121])).
% 0.55/0.97  thf(zip_derived_cl129, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.97         ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc21)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl116, zip_derived_cl120, zip_derived_cl121, 
% 0.55/0.97                 zip_derived_cl122])).
% 0.55/0.97  thf(clause47, conjecture,
% 0.55/0.97    (~( ( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 0.55/0.97        ( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssPv20_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.97        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.97        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 0.55/0.97        ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) ))).
% 0.55/0.97  thf(zf_stmt_14, negated_conjecture,
% 0.55/0.97    (( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ X9 ) | 
% 0.55/0.97     ( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 0.55/0.97     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssPv20_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.97     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.97     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 0.55/0.97     ( ~( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause47])).
% 0.55/0.97  thf(zip_derived_cl39, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 0.55/0.97         X14 : $i]:
% 0.55/0.97         ( (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 0.55/0.97          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssPv20_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.97          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97               X7)
% 0.55/0.97          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8)
% 0.55/0.97          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8 @ X9)
% 0.55/0.97          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.97          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.97          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.97          | ~ (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 0.55/0.97               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_14])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(clause28, conjecture,
% 0.55/0.97    (~( ( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc20 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.97        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) ))).
% 0.55/0.97  thf(zf_stmt_15, negated_conjecture,
% 0.55/0.97    (( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ skc20 ) | 
% 0.55/0.97     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.97     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause28])).
% 0.55/0.97  thf(zip_derived_cl58, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.97         ( (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc20)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.97          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97               X7)
% 0.55/0.97          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8)
% 0.55/0.97          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8 @ X9)
% 0.55/0.97          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.97          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_15])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(zip_derived_cl98, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96])).
% 0.55/0.97  thf(zip_derived_cl105, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.97          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.97  thf(zip_derived_cl106, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.97          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.97  thf(zip_derived_cl114, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i]:
% 0.55/0.97          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106])).
% 0.55/0.97  thf(zip_derived_cl120, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.97          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8 @ X9)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.97  thf(zip_derived_cl121, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.97          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.97  thf(zip_derived_cl122, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.97          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.97                 zip_derived_cl121])).
% 0.55/0.97  thf(zip_derived_cl140, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.97          (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ skc20)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl58, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.97                 zip_derived_cl121, zip_derived_cl122])).
% 0.55/0.97  thf(clause43, conjecture,
% 0.55/0.97    (~( ( ssPv19_2r1r1 @ U @ V ) | ( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) | 
% 0.55/0.97        ( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.97        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.97        ( ~( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 0.55/0.97        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) ))).
% 0.55/0.97  thf(zf_stmt_16, negated_conjecture,
% 0.55/0.97    (( ssPv19_2r1r1 @ U @ V ) | ( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) | 
% 0.55/0.97     ( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 0.55/0.97     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.97     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.97     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.97     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.97     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.97     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.97     ( ~( ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) ) | 
% 0.55/0.97     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) )),
% 0.55/0.97    inference('cnf.neg', [status(esa)], [clause43])).
% 0.55/0.97  thf(zip_derived_cl43, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.97         ( (ssPv19_2r1r1 @ X0 @ X1)
% 0.55/0.97          |  (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          |  (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.97          | ~ (ssNder1_0)
% 0.55/0.97          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.97          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.97          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.97          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.97          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.97          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.97          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.97          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97               X7)
% 0.55/0.97          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8)
% 0.55/0.97          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97               X6 @ X7 @ X8 @ X9)
% 0.55/0.97          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.97          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.97          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 0.55/0.97          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.97               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12))),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_16])).
% 0.55/0.97  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.97  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.97      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.97  thf(zip_derived_cl92, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.97  thf(zip_derived_cl93, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92])).
% 0.55/0.97  thf(zip_derived_cl94, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.97          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.97  thf(zip_derived_cl96, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.97          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.97  thf(zip_derived_cl98, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.97          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96])).
% 0.55/0.97  thf(zip_derived_cl105, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.97          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.97  thf(zip_derived_cl106, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.97          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.97  thf(zip_derived_cl114, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i]:
% 0.55/0.97          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106])).
% 0.55/0.97  thf(zip_derived_cl120, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.97          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.97           X7 @ X8 @ X9)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.97  thf(zip_derived_cl121, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.97          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.97  thf(zip_derived_cl122, plain,
% 0.55/0.97      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.97         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.97          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.97           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.97      inference('demod', [status(thm)],
% 0.55/0.97                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.97                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.97                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.97                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.97                 zip_derived_cl121])).
% 0.55/0.97  thf(clause27, conjecture,
% 0.55/0.97    (~( ( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.97          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 0.55/0.97        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.97        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.97        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.97        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.97        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.97        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.97        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) ))).
% 0.55/0.98  thf(zf_stmt_17, negated_conjecture,
% 0.55/0.98    (( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause27])).
% 0.55/0.98  thf(zip_derived_cl59, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98         ( (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_17])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl122, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl134, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl59, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121, zip_derived_cl122])).
% 0.55/0.98  thf(zip_derived_cl183, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.98         ( (ssPv19_2r1r1 @ X0 @ X1)
% 0.55/0.98          |  (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          |  (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.98          | ~ (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl43, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121, zip_derived_cl122, zip_derived_cl134])).
% 0.55/0.98  thf(zip_derived_cl184, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98         ( (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X12 @ X11 @ X10 @ X9 @ X8 @ 
% 0.55/0.98            X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 0.55/0.98          |  (ssPv17_4r1r1r1r1 @ X12 @ X11 @ X10 @ X9)
% 0.55/0.98          |  (ssPv19_2r1r1 @ X12 @ X11))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl140, zip_derived_cl183])).
% 0.55/0.98  thf(clause24, conjecture,
% 0.55/0.98    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98        ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc23 ) ) ))).
% 0.55/0.98  thf(zf_stmt_18, negated_conjecture,
% 0.55/0.98    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98     ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc23 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause24])).
% 0.55/0.98  thf(zip_derived_cl62, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         (~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_18])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl86, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         (~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23))),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl62, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl109, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         (~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98             X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl86, zip_derived_cl91, zip_derived_cl92, 
% 0.55/0.98                 zip_derived_cl93, zip_derived_cl94, zip_derived_cl96, 
% 0.55/0.98                 zip_derived_cl98, zip_derived_cl105, zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl115, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98             X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23))),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl109, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl128, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98            X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl115, zip_derived_cl120, zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl185, plain,
% 0.55/0.98      (![X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         ( (ssPv19_2r1r1 @ X11 @ X10)
% 0.55/0.98          |  (ssPv17_4r1r1r1r1 @ X11 @ X10 @ X9 @ X8))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl184, zip_derived_cl128])).
% 0.55/0.98  thf(clause12, conjecture,
% 0.55/0.98    (~( ( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc26 ) | 
% 0.55/0.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) ))).
% 0.55/0.98  thf(zf_stmt_19, negated_conjecture,
% 0.55/0.98    (( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc26 ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause12])).
% 0.55/0.98  thf(zip_derived_cl74, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98         ( (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc26)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_19])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl102, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc26)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl74, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(clause18, conjecture,
% 0.55/0.98    (~( ( ssPv20_1r1 @ U ) | 
% 0.55/0.98        ( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | 
% 0.55/0.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) ))).
% 0.55/0.98  thf(zf_stmt_20, negated_conjecture,
% 0.55/0.98    (( ssPv20_1r1 @ U ) | ( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssPv17_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause18])).
% 0.55/0.98  thf(zip_derived_cl68, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X0)
% 0.55/0.98          |  (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_20])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl107, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X0)
% 0.55/0.98          |  (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssPv17_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl68, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl108, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98         (~ (ssPv17_4r1r1r1r1 @ X5 @ X4 @ X3 @ X2)
% 0.55/0.98          |  (ssPv15_6r1r1r1r1r1r1 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 0.55/0.98          |  (ssPv20_1r1 @ X5))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl102, zip_derived_cl107])).
% 0.55/0.98  thf(zip_derived_cl190, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98         ( (ssPv19_2r1r1 @ X3 @ X2)
% 0.55/0.98          |  (ssPv20_1r1 @ X3)
% 0.55/0.98          |  (ssPv15_6r1r1r1r1r1r1 @ X3 @ X2 @ X1 @ X0 @ X5 @ X4))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl185, zip_derived_cl108])).
% 0.55/0.98  thf(clause10, conjecture,
% 0.55/0.98    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ skc29 ) ) ))).
% 0.55/0.98  thf(zf_stmt_21, negated_conjecture,
% 0.55/0.98    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ skc29 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause10])).
% 0.55/0.98  thf(zip_derived_cl76, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98         (~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc29))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_21])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl89, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98         (~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc29))),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl76, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl100, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98         ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc29)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl89, zip_derived_cl91, zip_derived_cl92, 
% 0.55/0.98                 zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl193, plain,
% 0.55/0.98      (![X3 : $i, X4 : $i]: ( (ssPv20_1r1 @ X4) |  (ssPv19_2r1r1 @ X4 @ X3))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl190, zip_derived_cl100])).
% 0.55/0.98  thf(clause31, conjecture,
% 0.55/0.98    (~( ( ssPv20_1r1 @ U ) | ( ssPv18_3r1r1r1 @ U @ V @ W ) | 
% 0.55/0.98        ( ssPv13_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) | 
% 0.55/0.98        ( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 0.55/0.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) ))).
% 0.55/0.98  thf(zf_stmt_22, negated_conjecture,
% 0.55/0.98    (( ssPv20_1r1 @ U ) | ( ssPv18_3r1r1r1 @ U @ V @ W ) | 
% 0.55/0.98     ( ssPv13_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) | 
% 0.55/0.98     ( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause31])).
% 0.55/0.98  thf(zip_derived_cl55, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X0)
% 0.55/0.98          |  (ssPv18_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          |  (ssPv13_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)
% 0.55/0.98          |  (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_22])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl122, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl141, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X0)
% 0.55/0.98          |  (ssPv18_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          |  (ssPv13_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)
% 0.55/0.98          |  (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl55, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121, zip_derived_cl122])).
% 0.55/0.98  thf(zip_derived_cl128, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98            X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc23)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl115, zip_derived_cl120, zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl143, plain,
% 0.55/0.98      (![X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, X9 : $i, X10 : $i, 
% 0.55/0.98         X11 : $i]:
% 0.55/0.98         ( (ssPv13_8r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4)
% 0.55/0.98          |  (ssPv18_3r1r1r1 @ X11 @ X10 @ X9)
% 0.55/0.98          |  (ssPv20_1r1 @ X11))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl141, zip_derived_cl128])).
% 0.55/0.98  thf(clause16, conjecture,
% 0.55/0.98    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssPv13_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ skc25 ) ) ))).
% 0.55/0.98  thf(zf_stmt_23, negated_conjecture,
% 0.55/0.98    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssPv13_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ skc25 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause16])).
% 0.55/0.98  thf(zip_derived_cl70, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98         (~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssPv13_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               skc25))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_23])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl87, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98         (~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssPv13_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               skc25))),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl70, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl103, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98         ~ (ssPv13_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc25)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl87, zip_derived_cl91, zip_derived_cl92, 
% 0.55/0.98                 zip_derived_cl93, zip_derived_cl94, zip_derived_cl96, 
% 0.55/0.98                 zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl144, plain,
% 0.55/0.98      (![X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X6) |  (ssPv18_3r1r1r1 @ X6 @ X5 @ X4))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl143, zip_derived_cl103])).
% 0.55/0.98  thf(clause9, conjecture,
% 0.55/0.98    (~( ( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ skc28 ) | 
% 0.55/0.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) ))).
% 0.55/0.98  thf(zf_stmt_24, negated_conjecture,
% 0.55/0.98    (( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ skc28 ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause9])).
% 0.55/0.98  thf(zip_derived_cl77, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98         ( (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc28)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_24])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl97, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc28)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl77, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl102, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc26)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl74, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(clause26, conjecture,
% 0.55/0.98    (~( ( ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 0.55/0.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssPv18_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) ))).
% 0.55/0.98  thf(zf_stmt_25, negated_conjecture,
% 0.55/0.98    (( ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssPv18_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause26])).
% 0.55/0.98  thf(zip_derived_cl60, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98         ( (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98            X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssPv18_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_25])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl124, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98         ( (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98            X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv18_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl60, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl125, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98         (~ (ssPv15_6r1r1r1r1r1r1 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)
% 0.55/0.98          | ~ (ssPv18_3r1r1r1 @ X5 @ X4 @ X3)
% 0.55/0.98          |  (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0 @ 
% 0.55/0.98              skc26 @ X9 @ X8 @ X7 @ X6))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl102, zip_derived_cl124])).
% 0.55/0.98  thf(zip_derived_cl126, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98         ( (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X4 @ X3 @ X2 @ X1 @ X0 @ skc28 @ 
% 0.55/0.98            skc26 @ X8 @ X7 @ X6 @ X5)
% 0.55/0.98          | ~ (ssPv18_3r1r1r1 @ X4 @ X3 @ X2))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl97, zip_derived_cl125])).
% 0.55/0.98  thf(zip_derived_cl146, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X2)
% 0.55/0.98          |  (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X2 @ X1 @ X0 @ X8 @ X7 @ 
% 0.55/0.98              skc28 @ skc26 @ X6 @ X5 @ X4 @ X3))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl144, zip_derived_cl126])).
% 0.55/0.98  thf(clause23, conjecture,
% 0.55/0.98    (~( ( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc22 ) | 
% 0.55/0.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) ))).
% 0.55/0.98  thf(zf_stmt_26, negated_conjecture,
% 0.55/0.98    (( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ skc22 ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause23])).
% 0.55/0.98  thf(zip_derived_cl63, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         ( (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98            X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc22)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_26])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl123, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98          (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc22)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl63, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(clause40, conjecture,
% 0.55/0.98    (~( ( ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 0.55/0.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98        ( ~( ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98        ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 0.55/0.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) ))).
% 0.55/0.98  thf(zf_stmt_27, negated_conjecture,
% 0.55/0.98    (( ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98     ( ~( ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98     ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 0.55/0.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause40])).
% 0.55/0.98  thf(zip_derived_cl46, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98         ( (ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98            X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_27])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl122, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl157, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98         ( (ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98            X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl46, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121, zip_derived_cl122])).
% 0.55/0.98  thf(zip_derived_cl158, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         (~ (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ 
% 0.55/0.98             X5 @ X4 @ X3 @ X2 @ X1)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6)
% 0.55/0.98          |  (ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ 
% 0.55/0.98              X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl123, zip_derived_cl157])).
% 0.55/0.98  thf(clause30, conjecture,
% 0.55/0.98    (~( ( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.98        ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssPv19_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98        ( ~( ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) ))).
% 0.55/0.98  thf(zf_stmt_28, negated_conjecture,
% 0.55/0.98    (( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) | ( ~( ssNder1_0 ) ) | 
% 0.55/0.98     ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98     ( ~( ssPv19_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssPv15_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98     ( ~( ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause30])).
% 0.55/0.98  thf(zip_derived_cl56, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         ( (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_28])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl127, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         ( (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssPv9_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl56, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl160, plain,
% 0.55/0.98      (![X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, 
% 0.55/0.98         X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         (~ (ssPv15_6r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6)
% 0.55/0.98          | ~ (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ 
% 0.55/0.98               X6 @ X5 @ X4 @ X3 @ X2 @ X1)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X11 @ X10)
% 0.55/0.98          |  (ssPv16_5r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl158, zip_derived_cl127])).
% 0.55/0.98  thf(zip_derived_cl162, plain,
% 0.55/0.98      (![X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, 
% 0.55/0.98         X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         ( (ssPv16_5r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X11 @ X10)
% 0.55/0.98          | ~ (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ 
% 0.55/0.98               X6 @ X5 @ X4 @ X3 @ X2 @ X1)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6))),
% 0.55/0.98      inference('simplify', [status(thm)], [zip_derived_cl160])).
% 0.55/0.98  thf(zip_derived_cl164, plain,
% 0.55/0.98      (![X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X8)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X8 @ X7 @ X6 @ X5 @ X4 @ skc28)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X8 @ X7)
% 0.55/0.98          |  (ssPv16_5r1r1r1r1r1 @ X8 @ X7 @ X6 @ X5 @ X4))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl146, zip_derived_cl162])).
% 0.55/0.98  thf(zip_derived_cl97, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc28)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl77, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl166, plain,
% 0.55/0.98      (![X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X8)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X8 @ X7)
% 0.55/0.98          |  (ssPv16_5r1r1r1r1r1 @ X8 @ X7 @ X6 @ X5 @ X4))),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl164, zip_derived_cl97])).
% 0.55/0.98  thf(zip_derived_cl197, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X1)
% 0.55/0.98          |  (ssPv16_5r1r1r1r1r1 @ X1 @ X0 @ X4 @ X3 @ X2)
% 0.55/0.98          |  (ssPv20_1r1 @ X1))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl193, zip_derived_cl166])).
% 0.55/0.98  thf(zip_derived_cl199, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98         ( (ssPv16_5r1r1r1r1r1 @ X1 @ X0 @ X4 @ X3 @ X2) |  (ssPv20_1r1 @ X1))),
% 0.55/0.98      inference('simplify', [status(thm)], [zip_derived_cl197])).
% 0.55/0.98  thf(clause7, conjecture,
% 0.55/0.98    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ skc31 ) ) ))).
% 0.55/0.98  thf(zf_stmt_29, negated_conjecture,
% 0.55/0.98    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssPv16_5r1r1r1r1r1 @ U @ V @ W @ X @ skc31 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause7])).
% 0.55/0.98  thf(zip_derived_cl79, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98         (~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc31))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_29])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl90, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98         (~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc31))),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl79, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl99, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98         ~ (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc31)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl90, zip_derived_cl91, zip_derived_cl92, 
% 0.55/0.98                 zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl200, plain, (![X3 : $i]:  (ssPv20_1r1 @ X3)),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl199, zip_derived_cl99])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl185, plain,
% 0.55/0.98      (![X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         ( (ssPv19_2r1r1 @ X11 @ X10)
% 0.55/0.98          |  (ssPv17_4r1r1r1r1 @ X11 @ X10 @ X9 @ X8))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl184, zip_derived_cl128])).
% 0.55/0.98  thf(zip_derived_cl97, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssPv15_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ skc28)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl77, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl123, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98          (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ skc22)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl63, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(clause35, conjecture,
% 0.55/0.98    (~( ( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 0.55/0.98        ( ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 0.55/0.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssPv20_1r1 @ U ) ) | ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98        ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 0.55/0.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) ))).
% 0.55/0.98  thf(zf_stmt_30, negated_conjecture,
% 0.55/0.98    (( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) | 
% 0.55/0.98     ( ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | ( ~( ssPv20_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98     ( ~( ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 0.55/0.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause35])).
% 0.55/0.98  thf(zip_derived_cl51, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98         ( (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          |  (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98              X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssPv20_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_30])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl122, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl155, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98         ( (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          |  (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98              X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssPv20_1r1 @ X0)
% 0.55/0.98          | ~ (ssPv8_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl51, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121, zip_derived_cl122])).
% 0.55/0.98  thf(zip_derived_cl156, plain,
% 0.55/0.98      (![X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, 
% 0.55/0.98         X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         (~ (ssPv20_1r1 @ X11)
% 0.55/0.98          |  (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ 
% 0.55/0.98              X6 @ X5 @ X4 @ X3 @ X2 @ X1)
% 0.55/0.98          |  (ssPv14_7r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl123, zip_derived_cl155])).
% 0.55/0.98  thf(zip_derived_cl162, plain,
% 0.55/0.98      (![X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, 
% 0.55/0.98         X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98         ( (ssPv16_5r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X11 @ X10)
% 0.55/0.98          | ~ (ssPv10_11r1r1r1r1r1r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ 
% 0.55/0.98               X6 @ X5 @ X4 @ X3 @ X2 @ X1)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X11 @ X10 @ X9 @ X8 @ X7 @ X6))),
% 0.55/0.98      inference('simplify', [status(thm)], [zip_derived_cl160])).
% 0.55/0.98  thf(zip_derived_cl165, plain,
% 0.55/0.98      (![X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98         ( (ssPv14_7r1r1r1r1r1r1r1 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4)
% 0.55/0.98          | ~ (ssPv20_1r1 @ X10)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X10 @ X9)
% 0.55/0.98          |  (ssPv16_5r1r1r1r1r1 @ X10 @ X9 @ X8 @ X7 @ X6))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl156, zip_derived_cl162])).
% 0.55/0.98  thf(zip_derived_cl166, plain,
% 0.55/0.98      (![X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i]:
% 0.55/0.98         ( (ssPv20_1r1 @ X8)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X8 @ X7)
% 0.55/0.98          |  (ssPv16_5r1r1r1r1r1 @ X8 @ X7 @ X6 @ X5 @ X4))),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl164, zip_derived_cl97])).
% 0.55/0.98  thf(zip_derived_cl167, plain,
% 0.55/0.98      (![X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98         ( (ssPv16_5r1r1r1r1r1 @ X10 @ X9 @ X8 @ X7 @ X6)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X10 @ X9)
% 0.55/0.98          | ~ (ssPv15_6r1r1r1r1r1r1 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5)
% 0.55/0.98          |  (ssPv14_7r1r1r1r1r1r1r1 @ X10 @ X9 @ X8 @ X7 @ X6 @ X5 @ X4))),
% 0.55/0.98      inference('clc', [status(thm)], [zip_derived_cl165, zip_derived_cl166])).
% 0.55/0.98  thf(zip_derived_cl168, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98         ( (ssPv14_7r1r1r1r1r1r1r1 @ X4 @ X3 @ X2 @ X1 @ X0 @ skc28 @ X5)
% 0.55/0.98          | ~ (ssPv19_2r1r1 @ X4 @ X3)
% 0.55/0.98          |  (ssPv16_5r1r1r1r1r1 @ X4 @ X3 @ X2 @ X1 @ X0))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl97, zip_derived_cl167])).
% 0.55/0.98  thf(zip_derived_cl189, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98         ( (ssPv17_4r1r1r1r1 @ X1 @ X0 @ X7 @ X6)
% 0.55/0.98          |  (ssPv16_5r1r1r1r1r1 @ X1 @ X0 @ X4 @ X3 @ X2)
% 0.55/0.98          |  (ssPv14_7r1r1r1r1r1r1r1 @ X1 @ X0 @ X4 @ X3 @ X2 @ skc28 @ X5))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl185, zip_derived_cl168])).
% 0.55/0.98  thf(clause13, conjecture,
% 0.55/0.98    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc27 ) ) ))).
% 0.55/0.98  thf(zf_stmt_31, negated_conjecture,
% 0.55/0.98    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssPv14_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ skc27 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause13])).
% 0.55/0.98  thf(zip_derived_cl73, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98         (~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc27))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_31])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl88, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98         (~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc27))),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl73, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl101, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98         ~ (ssPv14_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ skc27)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl88, zip_derived_cl91, zip_derived_cl92, 
% 0.55/0.98                 zip_derived_cl93, zip_derived_cl94, zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl207, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98         ( (ssPv16_5r1r1r1r1r1 @ X4 @ X3 @ X2 @ X1 @ X0)
% 0.55/0.98          |  (ssPv17_4r1r1r1r1 @ X4 @ X3 @ X6 @ X5))),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl189, zip_derived_cl101])).
% 0.55/0.98  thf(zip_derived_cl99, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98         ~ (ssPv16_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ skc31)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl90, zip_derived_cl91, zip_derived_cl92, 
% 0.55/0.98                 zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl209, plain,
% 0.55/0.98      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssPv17_4r1r1r1r1 @ X3 @ X2 @ X5 @ X4)),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl207, zip_derived_cl99])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl122, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl134, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl59, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121, zip_derived_cl122])).
% 0.55/0.98  thf(clause32, conjecture,
% 0.55/0.98    (~( ( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 0.55/0.98        ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) ))).
% 0.55/0.98  thf(zf_stmt_32, negated_conjecture,
% 0.55/0.98    (( ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98       U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 ) | 
% 0.55/0.98     ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause32])).
% 0.55/0.98  thf(zip_derived_cl54, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.98         ( (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)
% 0.55/0.98          | ~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_32])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl122, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl134, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl59, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121, zip_derived_cl122])).
% 0.55/0.98  thf(zip_derived_cl147, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.98          (ssNder1_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl54, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121, zip_derived_cl122, zip_derived_cl134])).
% 0.55/0.98  thf(zip_derived_cl250, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i, 
% 0.55/0.98         X14 : $i]:
% 0.55/0.98         ( (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ X14)
% 0.55/0.98          |  (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98              X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl39, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl200, zip_derived_cl92, zip_derived_cl93, 
% 0.55/0.98                 zip_derived_cl94, zip_derived_cl209, zip_derived_cl96, 
% 0.55/0.98                 zip_derived_cl98, zip_derived_cl105, zip_derived_cl106, 
% 0.55/0.98                 zip_derived_cl114, zip_derived_cl120, zip_derived_cl121, 
% 0.55/0.98                 zip_derived_cl122, zip_derived_cl134, zip_derived_cl147])).
% 0.55/0.98  thf(clause34, conjecture,
% 0.55/0.98    (~( ( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98        ( ~( ssNder1_2r1r1 @ U @ V ) ) | 
% 0.55/0.98        ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98        ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98        ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98        ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98        ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98        ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98        ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98        ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98        ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98        ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.98        ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 0.55/0.98        ( ~( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98             U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ 
% 0.55/0.98             skc19 ) ) ))).
% 0.55/0.98  thf(zf_stmt_33, negated_conjecture,
% 0.55/0.98    (( ~( ssNder1_0 ) ) | ( ~( ssNder1_1r1 @ U ) ) | 
% 0.55/0.98     ( ~( ssNder1_2r1r1 @ U @ V ) ) | ( ~( ssNder1_3r1r1r1 @ U @ V @ W ) ) | 
% 0.55/0.98     ( ~( ssNder1_4r1r1r1r1 @ U @ V @ W @ X ) ) | 
% 0.55/0.98     ( ~( ssNder1_5r1r1r1r1r1 @ U @ V @ W @ X @ Y ) ) | 
% 0.55/0.98     ( ~( ssNder1_6r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z ) ) | 
% 0.55/0.98     ( ~( ssNder1_7r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 ) ) | 
% 0.55/0.98     ( ~( ssNder1_8r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 ) ) | 
% 0.55/0.98     ( ~( ssNder1_9r1r1r1r1r1r1r1r1r1 @ U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 ) ) | 
% 0.55/0.98     ( ~( ssNder1_10r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 ) ) | 
% 0.55/0.98     ( ~( ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 ) ) | 
% 0.55/0.98     ( ~( ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 ) ) | 
% 0.55/0.98     ( ~( ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 ) ) | 
% 0.55/0.98     ( ~( ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @
% 0.55/0.98          U @ V @ W @ X @ Y @ Z @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7 @ X8 @ skc19 ) )),
% 0.55/0.98    inference('cnf.neg', [status(esa)], [clause34])).
% 0.55/0.98  thf(zip_derived_cl52, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.98         (~ (ssNder1_0)
% 0.55/0.98          | ~ (ssNder1_1r1 @ X0)
% 0.55/0.98          | ~ (ssNder1_2r1r1 @ X0 @ X1)
% 0.55/0.98          | ~ (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)
% 0.55/0.98          | ~ (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)
% 0.55/0.98          | ~ (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)
% 0.55/0.98          | ~ (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)
% 0.55/0.98          | ~ (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)
% 0.55/0.98          | ~ (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98               X7)
% 0.55/0.98          | ~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.98          | ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 0.55/0.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19))),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_33])).
% 0.55/0.98  thf(zip_derived_cl85, plain, ( (ssNder1_0)),
% 0.55/0.98      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.55/0.98  thf(zip_derived_cl91, plain, (![X0 : $i]:  (ssNder1_1r1 @ X0)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl84, zip_derived_cl85])).
% 0.55/0.98  thf(zip_derived_cl92, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i]:  (ssNder1_2r1r1 @ X0 @ X1)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl83, zip_derived_cl85, zip_derived_cl91])).
% 0.55/0.98  thf(zip_derived_cl93, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i]:  (ssNder1_3r1r1r1 @ X0 @ X1 @ X2)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl82, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92])).
% 0.55/0.98  thf(zip_derived_cl94, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.98          (ssNder1_4r1r1r1r1 @ X0 @ X1 @ X2 @ X3)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl81, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93])).
% 0.55/0.98  thf(zip_derived_cl96, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 0.55/0.98          (ssNder1_5r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl78, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94])).
% 0.55/0.98  thf(zip_derived_cl98, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 0.55/0.98          (ssNder1_6r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl75, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96])).
% 0.55/0.98  thf(zip_derived_cl105, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 0.55/0.98          (ssNder1_7r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl72, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98])).
% 0.55/0.98  thf(zip_derived_cl106, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 0.55/0.98          (ssNder1_8r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ X7)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl69, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105])).
% 0.55/0.98  thf(zip_derived_cl111, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.98         (~ (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98             X7 @ X8)
% 0.55/0.98          | ~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98               X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.98          | ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 0.55/0.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl52, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl114, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i]:
% 0.55/0.98          (ssNder1_9r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl67, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106])).
% 0.55/0.98  thf(zip_derived_cl117, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.98         (~ (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98             X6 @ X7 @ X8 @ X9)
% 0.55/0.98          | ~ (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10)
% 0.55/0.98          | ~ (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11)
% 0.55/0.98          | ~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98               X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.98          | ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 0.55/0.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19))),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl111, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl120, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i]:
% 0.55/0.98          (ssNder1_10r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ X6 @ 
% 0.55/0.98           X7 @ X8 @ X9)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl66, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114])).
% 0.55/0.98  thf(zip_derived_cl121, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 0.55/0.98          (ssNder1_11r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl65, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120])).
% 0.55/0.98  thf(zip_derived_cl122, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i]:
% 0.55/0.98          (ssNder1_12r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ X5 @ 
% 0.55/0.98           X6 @ X7 @ X8 @ X9 @ X10 @ X11)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl64, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121])).
% 0.55/0.98  thf(zip_derived_cl130, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.98         (~ (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98             X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)
% 0.55/0.98          | ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ 
% 0.55/0.98               X4 @ X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19))),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl117, zip_derived_cl120, zip_derived_cl121, 
% 0.55/0.98                 zip_derived_cl122])).
% 0.55/0.98  thf(zip_derived_cl134, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i]:
% 0.55/0.98          (ssNder1_13r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98           X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12)),
% 0.55/0.98      inference('demod', [status(thm)],
% 0.55/0.98                [zip_derived_cl59, zip_derived_cl85, zip_derived_cl91, 
% 0.55/0.98                 zip_derived_cl92, zip_derived_cl93, zip_derived_cl94, 
% 0.55/0.98                 zip_derived_cl96, zip_derived_cl98, zip_derived_cl105, 
% 0.55/0.98                 zip_derived_cl106, zip_derived_cl114, zip_derived_cl120, 
% 0.55/0.98                 zip_derived_cl121, zip_derived_cl122])).
% 0.55/0.98  thf(zip_derived_cl135, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.98         ~ (ssPv6_15r1r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X0 @ X1 @ X2 @ X3 @ X4 @ 
% 0.55/0.98            X5 @ X6 @ X7 @ X8 @ X9 @ X10 @ X11 @ X12 @ X13 @ skc19)),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl130, zip_derived_cl134])).
% 0.55/0.98  thf(zip_derived_cl251, plain,
% 0.55/0.98      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 0.55/0.98         X7 : $i, X8 : $i, X9 : $i, X10 : $i, X11 : $i, X12 : $i, X13 : $i]:
% 0.55/0.98          (ssPv7_14r1r1r1r1r1r1r1r1r1r1r1r1r1r1 @ X13 @ X12 @ X11 @ X10 @ X9 @ 
% 0.55/0.98           X8 @ X7 @ X6 @ X5 @ X4 @ X3 @ X2 @ X1 @ X0)),
% 0.55/0.98      inference('sup-', [status(thm)], [zip_derived_cl250, zip_derived_cl135])).
% 0.55/0.98  thf(zip_derived_cl252, plain, ($false),
% 0.55/0.98      inference('demod', [status(thm)], [zip_derived_cl129, zip_derived_cl251])).
% 0.55/0.98  
% 0.55/0.98  % SZS output end Refutation
% 0.55/0.98  
% 0.55/0.98  
% 0.55/0.98  % Terminating...
% 0.59/1.04  % Runner terminated.
% 0.59/1.05  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------