%------------------------------------------------------------------------------
% File : Toma---0.7
% Problem : GRP600-1 : TPTP v9.0.0. Bugfixed v2.7.0.
% Transfm : none
% Format : tptp:raw
% Command : run_Leo-III %s %d THM
% Computer : n005.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 : Tue Jul 15 06:44:25 AM UTC 2025
% Result : Unsatisfiable 0.38s 0.55s
% Output : CNFRefutation 0.38s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 3
% Syntax : Number of clauses : 17 ( 17 unt; 0 nHn; 3 RR)
% Number of literals : 17 ( 16 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 11 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-2 aty)
% Number of variables : 31 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(g0,negated_conjecture,
multiply(a,b) != multiply(b,a),
file('theBenchmark.p',prove_these_axioms_4) ).
cnf(c1,axiom,
multiply(X,Y) = inverse(double_divide(Y,X)),
file('theBenchmark.p',multiply) ).
cnf(c2,axiom,
double_divide(double_divide(X,Y),inverse(double_divide(X,inverse(double_divide(inverse(Z),Y))))) = Z,
file('theBenchmark.p',single_axiom) ).
cnf(c3,plain,
double_divide(double_divide(double_divide(inverse(X),Y),inverse(double_divide(inverse(Z),Y))),inverse(Z)) = X,
inference(equational,[status(thm)],[c2]) ).
cnf(c5,plain,
double_divide(X,inverse(double_divide(double_divide(Y,Z),inverse(double_divide(inverse(W),inverse(double_divide(Y,inverse(double_divide(inverse(X),Z))))))))) = W,
inference(equational,[status(thm)],[c2]) ).
cnf(c6,plain,
double_divide(X,inverse(double_divide(inverse(Y),inverse(X)))) = Y,
inference(equational,[status(thm)],[c2,c5]) ).
cnf(c7,plain,
double_divide(double_divide(X,inverse(X)),inverse(Y)) = Y,
inference(equational,[status(thm)],[c2,c6]) ).
cnf(c8,plain,
double_divide(inverse(X),inverse(double_divide(Y,inverse(Y)))) = X,
inference(equational,[status(thm)],[c6,c7]) ).
cnf(c9,plain,
double_divide(double_divide(X,inverse(Y)),inverse(Y)) = X,
inference(equational,[status(thm)],[c3,c8]) ).
cnf(c11,plain,
double_divide(X,inverse(double_divide(Y,inverse(Y)))) = inverse(X),
inference(equational,[status(thm)],[c8,c9]) ).
cnf(c12,plain,
inverse(inverse(X)) = X,
inference(equational,[status(thm)],[c6,c11]) ).
cnf(c21,plain,
double_divide(double_divide(inverse(X),Y),inverse(X)) = Y,
inference(equational,[status(thm)],[c6,c12]) ).
cnf(c22,plain,
double_divide(X,inverse(Y)) = double_divide(inverse(Y),X),
inference(equational,[status(thm)],[c3,c21]) ).
cnf(c23,plain,
inverse(double_divide(inverse(X),Y)) = double_divide(X,inverse(Y)),
inference(equational,[status(thm)],[c6,c12,c21]) ).
cnf(c24,plain,
double_divide(X,Y) = double_divide(Y,X),
inference(equational,[status(thm)],[c12,c22,c23]) ).
cnf(g1,plain,
multiply(a,b) = multiply(b,a),
inference(equational,[status(thm)],[c1,c24]) ).
cnf(g2,plain,
$false,
inference(resolution,[status(thm)],[g0,g1]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : GRP600-1 : TPTP v9.0.0. Bugfixed v2.7.0.
% 0.07/0.12 % Command : run_Leo-III %s %d THM
% 0.12/0.33 % Computer : n005.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 300
% 0.12/0.33 % DateTime : Mon Jul 14 08:33:34 EDT 2025
% 0.12/0.34 % CPUTime :
% 0.38/0.55 % SZS status Unsatisfiable
% 0.38/0.55 % SZS output start CNFRefutation
% See solution above
%------------------------------------------------------------------------------