TSTP Solution File: SET558-6 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : SET558-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 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 : Tue Jul 19 05:26:57 EDT 2022
% Result : Unsatisfiable 0.20s 0.44s
% Output : Refutation 0.20s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 5
% Syntax : Number of clauses : 9 ( 7 unt; 0 nHn; 9 RR)
% Number of literals : 11 ( 0 equ; 3 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 8 ( 8 usr; 6 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
operation(xf1),
file('SET558-6.p',unknown),
[] ).
cnf(2,axiom,
compatible(xh,xf1,xf2),
file('SET558-6.p',unknown),
[] ).
cnf(3,axiom,
~ equal(cross_product(domain_of(xh),domain_of(xh)),domain_of(xf1)),
file('SET558-6.p',unknown),
[] ).
cnf(82,axiom,
( ~ operation(u)
| equal(cross_product(domain_of(domain_of(u)),domain_of(domain_of(u))),domain_of(u)) ),
file('SET558-6.p',unknown),
[] ).
cnf(86,axiom,
( ~ compatible(u,v,w)
| equal(domain_of(domain_of(v)),domain_of(u)) ),
file('SET558-6.p',unknown),
[] ).
cnf(120,plain,
equal(cross_product(domain_of(domain_of(xf1)),domain_of(domain_of(xf1))),domain_of(xf1)),
inference(res,[status(thm),theory(equality)],[1,82]),
[iquote('0:Res:1.0,82.0')] ).
cnf(125,plain,
equal(domain_of(domain_of(xf1)),domain_of(xh)),
inference(res,[status(thm),theory(equality)],[2,86]),
[iquote('0:Res:2.0,86.0')] ).
cnf(139,plain,
equal(cross_product(domain_of(xh),domain_of(xh)),domain_of(xf1)),
inference(rew,[status(thm),theory(equality)],[125,120]),
[iquote('0:Rew:125.0,120.0')] ).
cnf(140,plain,
$false,
inference(mrr,[status(thm)],[139,3]),
[iquote('0:MRR:139.0,3.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : SET558-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.13 % Command : run_spass %d %s
% 0.13/0.34 % Computer : n008.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 600
% 0.13/0.34 % DateTime : Sun Jul 10 19:37:23 EDT 2022
% 0.13/0.34 % CPUTime :
% 0.20/0.44
% 0.20/0.44 SPASS V 3.9
% 0.20/0.44 SPASS beiseite: Proof found.
% 0.20/0.44 % SZS status Theorem
% 0.20/0.44 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.44 SPASS derived 18 clauses, backtracked 0 clauses, performed 0 splits and kept 122 clauses.
% 0.20/0.44 SPASS allocated 75808 KBytes.
% 0.20/0.44 SPASS spent 0:00:00.08 on the problem.
% 0.20/0.44 0:00:00.04 for the input.
% 0.20/0.44 0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.44 0:00:00.00 for inferences.
% 0.20/0.44 0:00:00.00 for the backtracking.
% 0.20/0.44 0:00:00.01 for the reduction.
% 0.20/0.44
% 0.20/0.44
% 0.20/0.44 Here is a proof with depth 1, length 9 :
% 0.20/0.44 % SZS output start Refutation
% See solution above
% 0.20/0.44 Formulae used in the proof : prove_compatible_functions_alternate_defn1_1 prove_compatible_functions_alternate_defn1_2 prove_compatible_functions_alternate_defn1_3 operation2 compatible2
% 0.20/0.44
%------------------------------------------------------------------------------