TSTP Solution File: GRP005-1 by Metis---2.4
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%------------------------------------------------------------------------------
% File : Metis---2.4
% Problem : GRP005-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : metis --show proof --show saturation %s
% Computer : n027.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 : 600s
% DateTime : Sat Jul 16 10:32:12 EDT 2022
% Result : Unsatisfiable 0.13s 0.35s
% Output : CNFRefutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 4
% Syntax : Number of clauses : 10 ( 7 unt; 0 nHn; 8 RR)
% Number of literals : 16 ( 0 equ; 9 neg)
% Maximal clause size : 4 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-3 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-1 aty)
% Number of variables : 8 ( 2 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(right_inverse,axiom,
product(X,inverse(X),identity) ).
cnf(element_of_set,axiom,
an_element(a) ).
cnf(condition,axiom,
( ~ an_element(X)
| ~ an_element(Y)
| ~ product(X,inverse(Y),Z)
| an_element(Z) ) ).
cnf(prove_identity_is_an_element,negated_conjecture,
~ an_element(identity) ).
cnf(refute_0_0,plain,
product(X_22,inverse(X_22),identity),
inference(subst,[],[right_inverse:[bind(X,$fot(X_22))]]) ).
cnf(refute_0_1,plain,
( ~ an_element(X_22)
| ~ product(X_22,inverse(X_22),identity)
| an_element(identity) ),
inference(subst,[],[condition:[bind(X,$fot(X_22)),bind(Y,$fot(X_22)),bind(Z,$fot(identity))]]) ).
cnf(refute_0_2,plain,
( ~ an_element(X_22)
| an_element(identity) ),
inference(resolve,[$cnf( product(X_22,inverse(X_22),identity) )],[refute_0_0,refute_0_1]) ).
cnf(refute_0_3,plain,
~ an_element(X_22),
inference(resolve,[$cnf( an_element(identity) )],[refute_0_2,prove_identity_is_an_element]) ).
cnf(refute_0_4,plain,
~ an_element(a),
inference(subst,[],[refute_0_3:[bind(X_22,$fot(a))]]) ).
cnf(refute_0_5,plain,
$false,
inference(resolve,[$cnf( an_element(a) )],[element_of_set,refute_0_4]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : GRP005-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13 % Command : metis --show proof --show saturation %s
% 0.13/0.34 % Computer : n027.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 : 600
% 0.13/0.34 % DateTime : Mon Jun 13 11:58:02 EDT 2022
% 0.13/0.34 % CPUTime :
% 0.13/0.34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.13/0.35 % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.35
% 0.13/0.35 % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.13/0.35
%------------------------------------------------------------------------------