%------------------------------------------------------------------------------
% File : Twee---2.7
% Problem : LCL414-1 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : run_twee /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n010.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 11:49:48 AM UTC 2026
% Result : Unsatisfiable 0.08s 0.43s
% Output : Proof 0.08s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : LCL414-1 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.04 % Command : run_twee /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.36 % Computer : n010.cluster.edu
% 0.08/0.36 % Model : x86_64 x86_64
% 0.08/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.36 % Memory : 8046.5625MB
% 0.08/0.36 % OS : Linux 6.8.0-71-generic
% 0.08/0.36 % CPULimit : 300
% 0.08/0.36 % WCLimit : 300
% 0.08/0.36 % DateTime : Sun Sep 27 15:41:01 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.36 Running run_twee /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.43 Command-line arguments: --no-flatten-goal
% 0.08/0.43
% 0.08/0.43 % SZS status Unsatisfiable
% 0.08/0.43
% 0.08/0.43 % SZS output start Proof
% 0.08/0.43 Axiom 1 (ifeq_axiom): ifeq(X, X, Y, Z) = Y.
% 0.08/0.43 Axiom 2 (thm147_2): a_truth(implies(X, implies(Y, X))) = true.
% 0.08/0.43 Axiom 3 (thm147_1): ifeq(a_truth(implies(X, Y)), true, ifeq(a_truth(X), true, a_truth(Y), true), true) = true.
% 0.08/0.43 Axiom 4 (thm147_3): a_truth(implies(implies(X, implies(Y, Z)), implies(implies(X, Y), implies(X, Z)))) = true.
% 0.08/0.43
% 0.08/0.43 Goal 1 (thm147_5): a_truth(implies(sk1, sk1)) = true.
% 0.08/0.43 Proof:
% 0.08/0.43 a_truth(implies(sk1, sk1))
% 0.08/0.43 = { by axiom 1 (ifeq_axiom) R->L }
% 0.08/0.43 ifeq(true, true, a_truth(implies(sk1, sk1)), true)
% 0.08/0.43 = { by axiom 3 (thm147_1) R->L }
% 0.08/0.43 ifeq(ifeq(a_truth(implies(implies(sk1, implies(implies(X, sk1), sk1)), implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1)))), true, ifeq(a_truth(implies(sk1, implies(implies(X, sk1), sk1))), true, a_truth(implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1))), true), true), true, a_truth(implies(sk1, sk1)), true)
% 0.08/0.43 = { by axiom 2 (thm147_2) }
% 0.08/0.43 ifeq(ifeq(a_truth(implies(implies(sk1, implies(implies(X, sk1), sk1)), implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1)))), true, ifeq(true, true, a_truth(implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1))), true), true), true, a_truth(implies(sk1, sk1)), true)
% 0.08/0.43 = { by axiom 1 (ifeq_axiom) }
% 0.08/0.43 ifeq(ifeq(a_truth(implies(implies(sk1, implies(implies(X, sk1), sk1)), implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1)))), true, a_truth(implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1))), true), true, a_truth(implies(sk1, sk1)), true)
% 0.08/0.43 = { by axiom 4 (thm147_3) }
% 0.08/0.43 ifeq(ifeq(true, true, a_truth(implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1))), true), true, a_truth(implies(sk1, sk1)), true)
% 0.08/0.43 = { by axiom 1 (ifeq_axiom) }
% 0.08/0.43 ifeq(a_truth(implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1))), true, a_truth(implies(sk1, sk1)), true)
% 0.08/0.43 = { by axiom 1 (ifeq_axiom) R->L }
% 0.08/0.43 ifeq(a_truth(implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1))), true, ifeq(true, true, a_truth(implies(sk1, sk1)), true), true)
% 0.08/0.43 = { by axiom 2 (thm147_2) R->L }
% 0.08/0.44 ifeq(a_truth(implies(implies(sk1, implies(X, sk1)), implies(sk1, sk1))), true, ifeq(a_truth(implies(sk1, implies(X, sk1))), true, a_truth(implies(sk1, sk1)), true), true)
% 0.08/0.44 = { by axiom 3 (thm147_1) }
% 0.08/0.44 true
% 0.08/0.44 % SZS output end Proof
% 0.08/0.44
% 0.08/0.44 RESULT: Unsatisfiable (the axioms are contradictory).
%------------------------------------------------------------------------------