TPTP Problem File: SYN733+1.p

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% File     : SYN733+1 : TPTP v8.1.0. Released v2.5.0.
% Domain   : Syntactic
% Problem  : Peter Andrews Problem Y2141
% Version  : Especial.
% English  :

% Refs     : [And97] Andrews (1994), Email to G. Sutcliffe
% Source   : [And97]
% Names    : Y2141 [And97]

% Status   : Theorem
% Rating   : 0.00 v5.5.0, 0.04 v5.3.0, 0.09 v5.2.0, 0.07 v5.0.0, 0.05 v4.1.0, 0.06 v4.0.1, 0.11 v4.0.0, 0.10 v3.7.0, 0.33 v3.5.0, 0.12 v3.4.0, 0.08 v3.3.0, 0.00 v3.2.0, 0.22 v3.1.0, 0.00 v2.5.0
% Syntax   : Number of formulae    :    1 (   0 unt;   0 def)
%            Number of atoms       :    5 (   0 equ)
%            Maximal formula atoms :    5 (   5 avg)
%            Number of connectives :    4 (   0   ~;   1   |;   2   &)
%                                         (   0 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   6 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    2 (   2 usr;   0 prp; 1-1 aty)
%            Number of functors    :    0 (   0 usr;   0 con; --- aty)
%            Number of variables   :    3 (   1   !;   2   ?)
% SPC      : FOF_THM_RFO_NEQ

% Comments :
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fof(y2141,conjecture,
    ( ! [X] :
      ? [Y] :
        ( p(X)
        & ( q(Y)
          | q(X) ) )
   => ? [Z] :
        ( p(Z)
        & q(Z) ) ) ).

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