TSTP Solution File: GRP160-1 by Twee---2.4.2
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%------------------------------------------------------------------------------
% File : Twee---2.4.2
% Problem : GRP160-1 : TPTP v8.1.2. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : parallel-twee %s --tstp --conditional-encoding if --smaller --drop-non-horn --give-up-on-saturation --explain-encoding --formal-proof
% Computer : n014.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 : Thu Aug 31 01:17:24 EDT 2023
% Result : Unsatisfiable 0.16s 0.39s
% Output : Proof 0.16s
% Verified :
% SZS Type : -
% Comments :
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : GRP160-1 : TPTP v8.1.2. Bugfixed v1.2.1.
% 0.00/0.13 % Command : parallel-twee %s --tstp --conditional-encoding if --smaller --drop-non-horn --give-up-on-saturation --explain-encoding --formal-proof
% 0.16/0.35 % Computer : n014.cluster.edu
% 0.16/0.35 % Model : x86_64 x86_64
% 0.16/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.35 % Memory : 8042.1875MB
% 0.16/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.16/0.35 % CPULimit : 300
% 0.16/0.35 % WCLimit : 300
% 0.16/0.35 % DateTime : Mon Aug 28 23:49:30 EDT 2023
% 0.16/0.35 % CPUTime :
% 0.16/0.38 Command-line arguments: --ground-connectedness --complete-subsets
% 0.16/0.38
% 0.16/0.39 % SZS status Unsatisfiable
% 0.16/0.39
% 0.16/0.39 % SZS output start Proof
% 0.16/0.39 Axiom 1 (idempotence_of_lub): least_upper_bound(X, X) = X.
% 0.16/0.39
% 0.16/0.39 Goal 1 (prove_ax_refla): least_upper_bound(a, a) = a.
% 0.16/0.39 Proof:
% 0.16/0.39 least_upper_bound(a, a)
% 0.16/0.39 = { by axiom 1 (idempotence_of_lub) }
% 0.16/0.39 a
% 0.16/0.39 % SZS output end Proof
% 0.16/0.39
% 0.16/0.39 RESULT: Unsatisfiable (the axioms are contradictory).
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