## TPTP Problem File: SYN030-1.p

View Solutions - Solve Problem

```%--------------------------------------------------------------------------
% File     : SYN030-1 : TPTP v8.1.0. Released v1.0.0.
% Domain   : Syntactic
% Problem  : EW3
% Version  : Especial.
% English  :

% Refs     : [MRS72] Michie et al. (1972), G-deduction
%          : [WM76]  Wilson & Minker (1976), Resolution, Refinements, and S
% Source   : [SPRFN]
% Names    : EW3 [MRS72]
%          : EW3 [WM76]

% Status   : Unsatisfiable
% Rating   : 0.00 v2.0.0
% Syntax   : Number of clauses     :    9 (   0 unt;   1 nHn;   9 RR)
%            Number of literals    :   22 (   0 equ;  13 neg)
%            Maximal clause size   :    3 (   2 avg)
%            Maximal term depth    :    0 (   0 avg)
%            Number of predicates  :    5 (   5 usr;   5 prp; 0-0 aty)
%            Number of functors    :    0 (   0 usr;   0 con; --- aty)
%            Number of variables   :    0 (   0 sgn)
% SPC      : CNF_UNS_PRP

%--------------------------------------------------------------------------
cnf(clause1,axiom,
( ~ t
| ~ s
| p ) ).

cnf(clause2,axiom,
( ~ r
| s ) ).

cnf(clause3,axiom,
( ~ t
| r ) ).

cnf(clause4,axiom,
( ~ r
| ~ q
| t ) ).

cnf(clause5,axiom,
( ~ q
| r ) ).

cnf(clause6,axiom,
( q
| r ) ).

cnf(clause7,axiom,
( ~ r
| q ) ).

cnf(clause8,axiom,
( ~ s
| ~ p
| q ) ).

cnf(theorem,negated_conjecture,
( ~ p
| ~ q
| ~ r ) ).

%--------------------------------------------------------------------------
```