TSTP Solution File: GRP191-2 by SPASS---3.9
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- Process Solution
%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : GRP191-2 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n023.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 : Sat Jul 16 11:46:16 EDT 2022
% Result : Unsatisfiable 0.21s 0.52s
% Output : Refutation 0.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 12
% Number of leaves : 10
% Syntax : Number of clauses : 26 ( 26 unt; 0 nHn; 26 RR)
% Number of literals : 26 ( 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 : 10 ( 10 usr; 6 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
equal(greatest_lower_bound(a,b),b),
file('GRP191-2.p',unknown),
[] ).
cnf(2,axiom,
~ equal(least_upper_bound(inverse(a),inverse(b)),inverse(b)),
file('GRP191-2.p',unknown),
[] ).
cnf(3,axiom,
equal(multiply(identity,u),u),
file('GRP191-2.p',unknown),
[] ).
cnf(4,axiom,
equal(multiply(inverse(u),u),identity),
file('GRP191-2.p',unknown),
[] ).
cnf(5,axiom,
equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w))),
file('GRP191-2.p',unknown),
[] ).
cnf(6,axiom,
equal(greatest_lower_bound(u,v),greatest_lower_bound(v,u)),
file('GRP191-2.p',unknown),
[] ).
cnf(7,axiom,
equal(least_upper_bound(u,v),least_upper_bound(v,u)),
file('GRP191-2.p',unknown),
[] ).
cnf(12,axiom,
equal(least_upper_bound(u,greatest_lower_bound(u,v)),u),
file('GRP191-2.p',unknown),
[] ).
cnf(15,axiom,
equal(multiply(u,greatest_lower_bound(v,w)),greatest_lower_bound(multiply(u,v),multiply(u,w))),
file('GRP191-2.p',unknown),
[] ).
cnf(17,axiom,
equal(multiply(greatest_lower_bound(u,v),w),greatest_lower_bound(multiply(u,w),multiply(v,w))),
file('GRP191-2.p',unknown),
[] ).
cnf(41,plain,
equal(least_upper_bound(u,greatest_lower_bound(v,u)),u),
inference(spr,[status(thm),theory(equality)],[6,12]),
[iquote('0:SpR:6.0,12.0')] ).
cnf(247,plain,
equal(multiply(inverse(u),multiply(u,v)),multiply(identity,v)),
inference(spr,[status(thm),theory(equality)],[4,5]),
[iquote('0:SpR:4.0,5.0')] ).
cnf(248,plain,
equal(multiply(inverse(u),multiply(u,v)),v),
inference(rew,[status(thm),theory(equality)],[3,247]),
[iquote('0:Rew:3.0,247.0')] ).
cnf(251,plain,
equal(multiply(inverse(inverse(u)),v),multiply(u,v)),
inference(spr,[status(thm),theory(equality)],[248]),
[iquote('0:SpR:248.0,248.0')] ).
cnf(254,plain,
equal(multiply(inverse(inverse(u)),identity),u),
inference(spr,[status(thm),theory(equality)],[4,248]),
[iquote('0:SpR:4.0,248.0')] ).
cnf(256,plain,
equal(multiply(u,identity),u),
inference(rew,[status(thm),theory(equality)],[251,254]),
[iquote('0:Rew:251.0,254.0')] ).
cnf(271,plain,
equal(multiply(u,inverse(u)),identity),
inference(spr,[status(thm),theory(equality)],[251,4]),
[iquote('0:SpR:251.0,4.0')] ).
cnf(288,plain,
equal(greatest_lower_bound(multiply(a,u),multiply(b,u)),multiply(b,u)),
inference(spr,[status(thm),theory(equality)],[1,17]),
[iquote('0:SpR:1.0,17.0')] ).
cnf(998,plain,
equal(greatest_lower_bound(multiply(a,inverse(b)),identity),identity),
inference(spr,[status(thm),theory(equality)],[271,288]),
[iquote('0:SpR:271.0,288.0')] ).
cnf(1009,plain,
equal(greatest_lower_bound(identity,multiply(a,inverse(b))),identity),
inference(rew,[status(thm),theory(equality)],[6,998]),
[iquote('0:Rew:6.0,998.0')] ).
cnf(1026,plain,
equal(greatest_lower_bound(multiply(u,identity),multiply(u,multiply(a,inverse(b)))),multiply(u,identity)),
inference(spr,[status(thm),theory(equality)],[1009,15]),
[iquote('0:SpR:1009.0,15.0')] ).
cnf(1032,plain,
equal(greatest_lower_bound(u,multiply(u,multiply(a,inverse(b)))),u),
inference(rew,[status(thm),theory(equality)],[256,1026]),
[iquote('0:Rew:256.0,1026.0')] ).
cnf(1143,plain,
equal(greatest_lower_bound(inverse(a),inverse(b)),inverse(a)),
inference(spr,[status(thm),theory(equality)],[248,1032]),
[iquote('0:SpR:248.0,1032.0')] ).
cnf(1185,plain,
equal(least_upper_bound(inverse(b),inverse(a)),inverse(b)),
inference(spr,[status(thm),theory(equality)],[1143,41]),
[iquote('0:SpR:1143.0,41.0')] ).
cnf(1191,plain,
equal(least_upper_bound(inverse(a),inverse(b)),inverse(b)),
inference(rew,[status(thm),theory(equality)],[7,1185]),
[iquote('0:Rew:7.0,1185.0')] ).
cnf(1192,plain,
$false,
inference(mrr,[status(thm)],[1191,2]),
[iquote('0:MRR:1191.0,2.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13 % Problem : GRP191-2 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.08/0.14 % Command : run_spass %d %s
% 0.13/0.35 % Computer : n023.cluster.edu
% 0.13/0.35 % Model : x86_64 x86_64
% 0.13/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35 % Memory : 8042.1875MB
% 0.13/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 600
% 0.13/0.35 % DateTime : Tue Jun 14 00:21:06 EDT 2022
% 0.13/0.35 % CPUTime :
% 0.21/0.52
% 0.21/0.52 SPASS V 3.9
% 0.21/0.52 SPASS beiseite: Proof found.
% 0.21/0.52 % SZS status Theorem
% 0.21/0.52 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.21/0.52 SPASS derived 844 clauses, backtracked 0 clauses, performed 0 splits and kept 215 clauses.
% 0.21/0.52 SPASS allocated 64434 KBytes.
% 0.21/0.52 SPASS spent 0:00:00.15 on the problem.
% 0.21/0.52 0:00:00.04 for the input.
% 0.21/0.52 0:00:00.00 for the FLOTTER CNF translation.
% 0.21/0.52 0:00:00.01 for inferences.
% 0.21/0.52 0:00:00.00 for the backtracking.
% 0.21/0.52 0:00:00.08 for the reduction.
% 0.21/0.52
% 0.21/0.52
% 0.21/0.52 Here is a proof with depth 7, length 26 :
% 0.21/0.52 % SZS output start Refutation
% See solution above
% 0.21/0.52 Formulae used in the proof : p39d_1 prove_p39d left_identity left_inverse associativity symmetry_of_glb symmetry_of_lub lub_absorbtion monotony_glb1 monotony_glb2
% 0.21/0.52
%------------------------------------------------------------------------------