%------------------------------------------------------------------------------
% File : Twee---2.7
% Problem : LCL157-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n026.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue Sep 29 11:49:10 AM UTC 2026
% Result : Unsatisfiable 0.22s 0.56s
% Output : CNFRefutation 1.03s
% Verified :
% SZS Type : Refutation
% Derivation depth : 33
% Number of leaves : 10
% Syntax : Number of clauses : 92 ( 92 unt; 0 nHn; 16 RR)
% Number of literals : 92 ( 91 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 3 con; 0-2 aty)
% Number of variables : 94 ( 10 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(c1,negated_conjecture,
and_star(x,falsehood) != falsehood,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_alternative_wajsberg_axiom) ).
cnf(c2,axiom,
and_star(X,Y) = and_star(Y,X),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',and_star_commutativity) ).
cnf(c3,plain,
and_star(falsehood,X2) = and_star(X2,falsehood),
inference(substitution,[status(thm)],[c2]) ).
cnf(c4,plain,
and_star(X2,falsehood) = and_star(falsehood,X2),
inference(symmetry,[status(thm)],[c3]) ).
cnf(c5,axiom,
and_star(X2,Y2) = not(or(not(X2),not(Y2))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',and_star_definition) ).
cnf(c6,plain,
and_star(falsehood,X2) = not(or(not(falsehood),not(X2))),
inference(substitution,[status(thm)],[c5]) ).
cnf(c7,axiom,
implies(truth,X2) = X2,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_1) ).
cnf(c8,plain,
implies(truth,not(falsehood)) = not(falsehood),
inference(substitution,[status(thm)],[c7]) ).
cnf(c9,plain,
not(falsehood) = implies(truth,not(falsehood)),
inference(symmetry,[status(thm)],[c8]) ).
cnf(c10,axiom,
or(X2,Y2) = or(Y2,X2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',or_commutativity) ).
cnf(c11,plain,
or(X2,falsehood) = or(falsehood,X2),
inference(substitution,[status(thm)],[c10]) ).
cnf(c12,plain,
or(falsehood,X2) = or(X2,falsehood),
inference(symmetry,[status(thm)],[c11]) ).
cnf(c13,plain,
implies(or(falsehood,X2),X2) = implies(or(X2,falsehood),X2),
inference(congruence,[status(thm)],[c12]) ).
cnf(c14,plain,
X2 = implies(truth,X2),
inference(symmetry,[status(thm)],[c7]) ).
cnf(c15,plain,
implies(or(X2,falsehood),X2) = implies(or(X2,falsehood),implies(truth,X2)),
inference(congruence,[status(thm)],[c14]) ).
cnf(c16,axiom,
not(truth) = falsehood,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',step) ).
cnf(c17,plain,
falsehood = not(truth),
inference(symmetry,[status(thm)],[c16]) ).
cnf(c18,plain,
or(X2,falsehood) = or(X2,not(truth)),
inference(congruence,[status(thm)],[c17]) ).
cnf(c19,plain,
implies(or(X2,falsehood),implies(truth,X2)) = implies(or(X2,not(truth)),implies(truth,X2)),
inference(congruence,[status(thm)],[c18]) ).
cnf(c20,axiom,
or(X2,Y2) = implies(not(X2),Y2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',or_definition) ).
cnf(c21,plain,
or(X2,not(X3)) = implies(not(X2),not(X3)),
inference(substitution,[status(thm)],[c20]) ).
cnf(c22,plain,
implies(or(X3,not(X2)),implies(X2,X3)) = implies(implies(not(X3),not(X2)),implies(X2,X3)),
inference(congruence,[status(thm)],[c21]) ).
cnf(c23,axiom,
implies(implies(not(X2),not(Y2)),implies(Y2,X2)) = truth,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_4) ).
cnf(c24,plain,
implies(implies(not(X3),not(X2)),implies(X2,X3)) = truth,
inference(substitution,[status(thm)],[c23]) ).
cnf(c25,plain,
implies(or(X3,not(X2)),implies(X2,X3)) = truth,
inference(transitivity,[status(thm)],[c22,c24]) ).
cnf(c26,plain,
implies(or(X2,not(truth)),implies(truth,X2)) = truth,
inference(substitution,[status(thm)],[c25]) ).
cnf(c27,plain,
implies(or(X2,falsehood),implies(truth,X2)) = truth,
inference(transitivity,[status(thm)],[c19,c26]) ).
cnf(c28,plain,
implies(or(X2,falsehood),X2) = truth,
inference(transitivity,[status(thm)],[c15,c27]) ).
cnf(c29,plain,
implies(or(falsehood,X2),X2) = truth,
inference(transitivity,[status(thm)],[c13,c28]) ).
cnf(c30,plain,
implies(or(falsehood,truth),truth) = truth,
inference(substitution,[status(thm)],[c29]) ).
cnf(c31,plain,
truth = implies(or(falsehood,truth),truth),
inference(symmetry,[status(thm)],[c30]) ).
cnf(c32,plain,
implies(truth,not(falsehood)) = implies(implies(or(falsehood,truth),truth),not(falsehood)),
inference(congruence,[status(thm)],[c31]) ).
cnf(c33,plain,
or(X2,truth) = implies(not(X2),truth),
inference(substitution,[status(thm)],[c20]) ).
cnf(c34,plain,
implies(or(X2,truth),truth) = implies(implies(not(X2),truth),truth),
inference(congruence,[status(thm)],[c33]) ).
cnf(c35,axiom,
implies(implies(X2,Y2),Y2) = implies(implies(Y2,X2),X2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_3) ).
cnf(c36,plain,
implies(implies(truth,X2),X2) = implies(implies(X2,truth),truth),
inference(substitution,[status(thm)],[c35]) ).
cnf(c37,plain,
implies(implies(X2,truth),truth) = implies(implies(truth,X2),X2),
inference(symmetry,[status(thm)],[c36]) ).
cnf(c38,plain,
implies(implies(truth,X2),X2) = implies(X2,X2),
inference(congruence,[status(thm)],[c7]) ).
cnf(c39,plain,
implies(implies(X2,truth),truth) = implies(X2,X2),
inference(transitivity,[status(thm)],[c37,c38]) ).
cnf(c40,plain,
implies(implies(not(X2),truth),truth) = implies(not(X2),not(X2)),
inference(substitution,[status(thm)],[c39]) ).
cnf(c41,plain,
or(X2,not(X2)) = implies(not(X2),not(X2)),
inference(substitution,[status(thm)],[c20]) ).
cnf(c42,plain,
implies(not(X2),not(X2)) = or(X2,not(X2)),
inference(symmetry,[status(thm)],[c41]) ).
cnf(c43,plain,
implies(implies(not(X2),truth),truth) = or(X2,not(X2)),
inference(transitivity,[status(thm)],[c40,c42]) ).
cnf(c44,plain,
implies(or(X2,truth),truth) = or(X2,not(X2)),
inference(transitivity,[status(thm)],[c34,c43]) ).
cnf(c45,plain,
implies(or(falsehood,truth),truth) = or(falsehood,not(falsehood)),
inference(substitution,[status(thm)],[c44]) ).
cnf(c46,plain,
implies(implies(or(falsehood,truth),truth),not(falsehood)) = implies(or(falsehood,not(falsehood)),not(falsehood)),
inference(congruence,[status(thm)],[c45]) ).
cnf(c47,plain,
implies(or(falsehood,not(falsehood)),not(falsehood)) = truth,
inference(substitution,[status(thm)],[c29]) ).
cnf(c48,plain,
implies(implies(or(falsehood,truth),truth),not(falsehood)) = truth,
inference(transitivity,[status(thm)],[c46,c47]) ).
cnf(c49,plain,
implies(truth,not(falsehood)) = truth,
inference(transitivity,[status(thm)],[c32,c48]) ).
cnf(c50,plain,
not(falsehood) = truth,
inference(transitivity,[status(thm)],[c9,c49]) ).
cnf(c51,plain,
or(not(falsehood),not(X2)) = or(truth,not(X2)),
inference(congruence,[status(thm)],[c50]) ).
cnf(c52,plain,
not(or(not(falsehood),not(X2))) = not(or(truth,not(X2))),
inference(congruence,[status(thm)],[c51]) ).
cnf(c53,plain,
or(X2,truth) = or(truth,X2),
inference(substitution,[status(thm)],[c10]) ).
cnf(c54,plain,
or(truth,X2) = or(X2,truth),
inference(symmetry,[status(thm)],[c53]) ).
cnf(c55,plain,
or(X2,truth) = implies(not(X2),truth),
inference(substitution,[status(thm)],[c20]) ).
cnf(c56,plain,
or(falsehood,X2) = or(X2,falsehood),
inference(substitution,[status(thm)],[c10]) ).
cnf(c57,plain,
or(X2,falsehood) = or(falsehood,X2),
inference(symmetry,[status(thm)],[c56]) ).
cnf(c58,plain,
or(falsehood,X2) = implies(not(falsehood),X2),
inference(substitution,[status(thm)],[c20]) ).
cnf(c59,plain,
implies(not(falsehood),X2) = implies(truth,X2),
inference(congruence,[status(thm)],[c50]) ).
cnf(c60,plain,
implies(not(falsehood),X2) = X2,
inference(transitivity,[status(thm)],[c59,c7]) ).
cnf(c61,plain,
or(falsehood,X2) = X2,
inference(transitivity,[status(thm)],[c58,c60]) ).
cnf(c62,plain,
or(X2,falsehood) = X2,
inference(transitivity,[status(thm)],[c57,c61]) ).
cnf(c63,plain,
X2 = or(X2,falsehood),
inference(symmetry,[status(thm)],[c62]) ).
cnf(c64,plain,
implies(X2,X2) = implies(or(X2,falsehood),X2),
inference(congruence,[status(thm)],[c63]) ).
cnf(c65,plain,
implies(X2,X2) = truth,
inference(transitivity,[status(thm)],[c64,c28]) ).
cnf(c66,plain,
truth = implies(X2,X2),
inference(symmetry,[status(thm)],[c65]) ).
cnf(c67,plain,
implies(X2,truth) = implies(X2,implies(X2,X2)),
inference(congruence,[status(thm)],[c66]) ).
cnf(c68,plain,
implies(X2,X2) = implies(implies(X2,truth),truth),
inference(symmetry,[status(thm)],[c39]) ).
cnf(c69,plain,
implies(X2,implies(X2,X2)) = implies(X2,implies(implies(X2,truth),truth)),
inference(congruence,[status(thm)],[c68]) ).
cnf(c70,plain,
X2 = implies(truth,X2),
inference(symmetry,[status(thm)],[c7]) ).
cnf(c71,plain,
implies(implies(X3,X2),X2) = implies(implies(X3,X2),implies(truth,X2)),
inference(congruence,[status(thm)],[c70]) ).
cnf(c72,plain,
implies(X3,implies(implies(X3,X2),X2)) = implies(X3,implies(implies(X3,X2),implies(truth,X2))),
inference(congruence,[status(thm)],[c71]) ).
cnf(c73,plain,
X2 = implies(truth,X2),
inference(symmetry,[status(thm)],[c7]) ).
cnf(c74,plain,
implies(X3,implies(implies(X3,X2),implies(truth,X2))) = implies(implies(truth,X3),implies(implies(X3,X2),implies(truth,X2))),
inference(congruence,[status(thm)],[c73]) ).
cnf(c75,axiom,
implies(implies(X2,Y2),implies(implies(Y2,Z),implies(X2,Z))) = truth,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_2) ).
cnf(c76,plain,
implies(implies(truth,X3),implies(implies(X3,X2),implies(truth,X2))) = truth,
inference(substitution,[status(thm)],[c75]) ).
cnf(c77,plain,
implies(X3,implies(implies(X3,X2),implies(truth,X2))) = truth,
inference(transitivity,[status(thm)],[c74,c76]) ).
cnf(c78,plain,
implies(X3,implies(implies(X3,X2),X2)) = truth,
inference(transitivity,[status(thm)],[c72,c77]) ).
cnf(c79,plain,
implies(X2,implies(implies(X2,truth),truth)) = truth,
inference(substitution,[status(thm)],[c78]) ).
cnf(c80,plain,
implies(X2,implies(X2,X2)) = truth,
inference(transitivity,[status(thm)],[c69,c79]) ).
cnf(c81,plain,
implies(X2,truth) = truth,
inference(transitivity,[status(thm)],[c67,c80]) ).
cnf(c82,plain,
implies(not(X2),truth) = truth,
inference(substitution,[status(thm)],[c81]) ).
cnf(c83,plain,
or(X2,truth) = truth,
inference(transitivity,[status(thm)],[c55,c82]) ).
cnf(c84,plain,
or(truth,X2) = truth,
inference(transitivity,[status(thm)],[c54,c83]) ).
cnf(c85,plain,
or(truth,not(X2)) = truth,
inference(substitution,[status(thm)],[c84]) ).
cnf(c86,plain,
not(or(truth,not(X2))) = not(truth),
inference(congruence,[status(thm)],[c85]) ).
cnf(c87,plain,
not(or(truth,not(X2))) = falsehood,
inference(transitivity,[status(thm)],[c86,c16]) ).
cnf(c88,plain,
not(or(not(falsehood),not(X2))) = falsehood,
inference(transitivity,[status(thm)],[c52,c87]) ).
cnf(c89,plain,
and_star(falsehood,X2) = falsehood,
inference(transitivity,[status(thm)],[c6,c88]) ).
cnf(c90,plain,
and_star(X2,falsehood) = falsehood,
inference(transitivity,[status(thm)],[c4,c89]) ).
cnf(c91,plain,
and_star(x,falsehood) = falsehood,
inference(substitution,[status(thm)],[c90]) ).
cnf(c92,plain,
$false,
inference(resolution,[status(thm)],[c1,c91]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL157-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.05 % Command : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.38 % Computer : n026.cluster.edu
% 0.12/0.38 % Model : x86_64 x86_64
% 0.12/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.38 % Memory : 8046.5625MB
% 0.12/0.38 % OS : Linux 6.8.0-71-generic
% 0.12/0.38 % CPULimit : 300
% 0.12/0.38 % WCLimit : 300
% 0.12/0.38 % DateTime : Sun Sep 27 15:27:26 UTC 2026
% 0.12/0.39 % CPUTime :
% 0.12/0.39 Running run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.22/0.56 Command-line arguments: --no-flatten-goal
% 0.22/0.56
% 0.22/0.56 % SZS status Unsatisfiable
% 0.22/0.56
% 0.22/0.56 % SZS output start CNFRefutation
% See solution above
% 1.03/0.62
% 1.03/0.62 RESULT: Unsatisfiable (the axioms are contradictory).
%------------------------------------------------------------------------------