TSTP Solution File: LCL139-1 by SPASS---3.9
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- Process Solution
%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : LCL139-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n008.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 : Sun Jul 17 14:34:52 EDT 2022
% Result : Unsatisfiable 0.19s 0.48s
% Output : Refutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 20
% Number of leaves : 5
% Syntax : Number of clauses : 31 ( 31 unt; 0 nHn; 31 RR)
% Number of literals : 31 ( 0 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 5 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
~ equal(implies__dfg(x__dfg,not__dfg(truth)),not__dfg(x__dfg)),
file('LCL139-1.p',unknown),
[] ).
cnf(2,axiom,
equal(implies__dfg(truth,u),u),
file('LCL139-1.p',unknown),
[] ).
cnf(3,axiom,
equal(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(v,w),implies__dfg(u,w))),truth),
file('LCL139-1.p',unknown),
[] ).
cnf(4,axiom,
equal(implies__dfg(implies__dfg(u,v),v),implies__dfg(implies__dfg(v,u),u)),
file('LCL139-1.p',unknown),
[] ).
cnf(5,axiom,
equal(implies__dfg(implies__dfg(not__dfg(u),not__dfg(v)),implies__dfg(v,u)),truth),
file('LCL139-1.p',unknown),
[] ).
cnf(9,plain,
equal(implies__dfg(implies__dfg(not__dfg(u),not__dfg(truth)),u),truth),
inference(spr,[status(thm),theory(equality)],[2,5]),
[iquote('0:SpR:2.0,5.0')] ).
cnf(18,plain,
equal(implies__dfg(u,u),implies__dfg(implies__dfg(u,truth),truth)),
inference(spr,[status(thm),theory(equality)],[2,4]),
[iquote('0:SpR:2.0,4.0')] ).
cnf(80,plain,
equal(implies__dfg(implies__dfg(truth,u),implies__dfg(implies__dfg(u,v),v)),truth),
inference(spr,[status(thm),theory(equality)],[2,3]),
[iquote('0:SpR:2.0,3.0')] ).
cnf(90,plain,
equal(implies__dfg(implies__dfg(u,truth),implies__dfg(v,implies__dfg(u,v))),truth),
inference(spr,[status(thm),theory(equality)],[2,3]),
[iquote('0:SpR:2.0,3.0')] ).
cnf(117,plain,
equal(implies__dfg(u,implies__dfg(implies__dfg(u,v),v)),truth),
inference(rew,[status(thm),theory(equality)],[2,80]),
[iquote('0:Rew:2.0,80.0')] ).
cnf(192,plain,
equal(implies__dfg(implies__dfg(truth,u),u),truth),
inference(spr,[status(thm),theory(equality)],[117,2]),
[iquote('0:SpR:117.0,2.0')] ).
cnf(219,plain,
equal(implies__dfg(u,implies__dfg(u,u)),truth),
inference(spr,[status(thm),theory(equality)],[18,117]),
[iquote('0:SpR:18.0,117.0')] ).
cnf(220,plain,
equal(implies__dfg(u,u),truth),
inference(rew,[status(thm),theory(equality)],[2,192]),
[iquote('0:Rew:2.0,192.0')] ).
cnf(244,plain,
equal(implies__dfg(u,truth),truth),
inference(rew,[status(thm),theory(equality)],[220,219]),
[iquote('0:Rew:220.0,219.0')] ).
cnf(251,plain,
equal(implies__dfg(truth,implies__dfg(u,implies__dfg(v,u))),truth),
inference(rew,[status(thm),theory(equality)],[244,90]),
[iquote('0:Rew:244.0,90.0')] ).
cnf(262,plain,
equal(implies__dfg(u,implies__dfg(v,u)),truth),
inference(rew,[status(thm),theory(equality)],[2,251]),
[iquote('0:Rew:2.0,251.0')] ).
cnf(350,plain,
equal(implies__dfg(truth,implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,w))),truth),
inference(spr,[status(thm),theory(equality)],[262,3]),
[iquote('0:SpR:262.0,3.0')] ).
cnf(365,plain,
equal(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,w)),truth),
inference(rew,[status(thm),theory(equality)],[2,350]),
[iquote('0:Rew:2.0,350.0')] ).
cnf(399,plain,
equal(implies__dfg(truth,implies__dfg(not__dfg(truth),u)),truth),
inference(spr,[status(thm),theory(equality)],[9,365]),
[iquote('0:SpR:9.0,365.0')] ).
cnf(402,plain,
equal(implies__dfg(truth,implies__dfg(not__dfg(u),implies__dfg(u,v))),truth),
inference(spr,[status(thm),theory(equality)],[5,365]),
[iquote('0:SpR:5.0,365.0')] ).
cnf(408,plain,
equal(implies__dfg(not__dfg(truth),u),truth),
inference(rew,[status(thm),theory(equality)],[2,399]),
[iquote('0:Rew:2.0,399.0')] ).
cnf(414,plain,
equal(implies__dfg(not__dfg(u),implies__dfg(u,v)),truth),
inference(rew,[status(thm),theory(equality)],[2,402]),
[iquote('0:Rew:2.0,402.0')] ).
cnf(502,plain,
equal(implies__dfg(implies__dfg(u,not__dfg(truth)),not__dfg(truth)),implies__dfg(truth,u)),
inference(spr,[status(thm),theory(equality)],[408,4]),
[iquote('0:SpR:408.0,4.0')] ).
cnf(522,plain,
equal(implies__dfg(implies__dfg(u,not__dfg(truth)),not__dfg(truth)),u),
inference(rew,[status(thm),theory(equality)],[2,502]),
[iquote('0:Rew:2.0,502.0')] ).
cnf(578,plain,
equal(implies__dfg(not__dfg(implies__dfg(u,not__dfg(truth))),u),truth),
inference(spr,[status(thm),theory(equality)],[522,414]),
[iquote('0:SpR:522.0,414.0')] ).
cnf(714,plain,
equal(implies__dfg(truth,implies__dfg(u,implies__dfg(not__dfg(u),not__dfg(truth)))),truth),
inference(spr,[status(thm),theory(equality)],[578,5]),
[iquote('0:SpR:578.0,5.0')] ).
cnf(739,plain,
equal(implies__dfg(u,implies__dfg(not__dfg(u),not__dfg(truth))),truth),
inference(rew,[status(thm),theory(equality)],[2,714]),
[iquote('0:Rew:2.0,714.0')] ).
cnf(755,plain,
equal(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),not__dfg(truth)),u),u),implies__dfg(truth,implies__dfg(not__dfg(u),not__dfg(truth)))),
inference(spr,[status(thm),theory(equality)],[739,4]),
[iquote('0:SpR:739.0,4.0')] ).
cnf(786,plain,
equal(implies__dfg(not__dfg(u),not__dfg(truth)),u),
inference(rew,[status(thm),theory(equality)],[2,755,9]),
[iquote('0:Rew:2.0,755.0,9.0,755.0,2.0,755.0')] ).
cnf(814,plain,
equal(implies__dfg(u,not__dfg(truth)),not__dfg(u)),
inference(spr,[status(thm),theory(equality)],[786,522]),
[iquote('0:SpR:786.0,522.0')] ).
cnf(830,plain,
$false,
inference(unc,[status(thm)],[814,1]),
[iquote('0:UnC:814.0,1.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12 % Problem : LCL139-1 : TPTP v8.1.0. Released v1.0.0.
% 0.08/0.13 % Command : run_spass %d %s
% 0.12/0.34 % Computer : n008.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 600
% 0.12/0.34 % DateTime : Mon Jul 4 23:29:23 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.19/0.48
% 0.19/0.48 SPASS V 3.9
% 0.19/0.48 SPASS beiseite: Proof found.
% 0.19/0.48 % SZS status Theorem
% 0.19/0.48 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.48 SPASS derived 549 clauses, backtracked 0 clauses, performed 0 splits and kept 152 clauses.
% 0.19/0.48 SPASS allocated 64117 KBytes.
% 0.19/0.48 SPASS spent 0:00:00.13 on the problem.
% 0.19/0.48 0:00:00.04 for the input.
% 0.19/0.48 0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.48 0:00:00.01 for inferences.
% 0.19/0.48 0:00:00.00 for the backtracking.
% 0.19/0.48 0:00:00.06 for the reduction.
% 0.19/0.48
% 0.19/0.48
% 0.19/0.48 Here is a proof with depth 8, length 31 :
% 0.19/0.48 % SZS output start Refutation
% See solution above
% 0.19/0.48 Formulae used in the proof : prove_wajsberg_lemma wajsberg_1 wajsberg_2 wajsberg_3 wajsberg_4
% 0.19/0.48
%------------------------------------------------------------------------------