TSTP Solution File: CAT014-1 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : CAT014-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n029.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 : Fri Jul 15 00:07:31 EDT 2022
% Result : Unsatisfiable 0.18s 0.40s
% Output : Refutation 0.18s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 6
% Syntax : Number of clauses : 12 ( 6 unt; 0 nHn; 12 RR)
% Number of literals : 21 ( 0 equ; 12 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-3 aty)
% Number of functors : 6 ( 6 usr; 5 con; 0-1 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
~ equal(codomain(codomain(a)),codomain(a)),
file('CAT014-1.p',unknown),
[] ).
cnf(12,axiom,
identity_map(codomain(u)),
file('CAT014-1.p',unknown),
[] ).
cnf(14,axiom,
defined(codomain(u),u),
file('CAT014-1.p',unknown),
[] ).
cnf(16,axiom,
product(codomain(u),u,u),
file('CAT014-1.p',unknown),
[] ).
cnf(18,axiom,
( ~ identity_map(u)
| ~ defined(v,u)
| product(v,u,v) ),
file('CAT014-1.p',unknown),
[] ).
cnf(19,axiom,
( ~ product(u,v,w)
| ~ product(u,v,x)
| equal(x,w) ),
file('CAT014-1.p',unknown),
[] ).
cnf(37,plain,
( ~ product(codomain(u),u,v)
| equal(v,u) ),
inference(res,[status(thm),theory(equality)],[16,19]),
[iquote('0:Res:16.0,19.0')] ).
cnf(48,plain,
( ~ identity_map(u)
| ~ defined(codomain(u),u)
| equal(codomain(u),u) ),
inference(res,[status(thm),theory(equality)],[18,37]),
[iquote('0:Res:18.2,37.0')] ).
cnf(50,plain,
( ~ identity_map(u)
| equal(codomain(u),u) ),
inference(mrr,[status(thm)],[48,14]),
[iquote('0:MRR:48.1,14.0')] ).
cnf(61,plain,
( ~ identity_map(codomain(a))
| ~ equal(codomain(a),codomain(a)) ),
inference(spl,[status(thm),theory(equality)],[50,1]),
[iquote('0:SpL:50.1,1.0')] ).
cnf(64,plain,
~ identity_map(codomain(a)),
inference(obv,[status(thm),theory(equality)],[61]),
[iquote('0:Obv:61.1')] ).
cnf(65,plain,
$false,
inference(ssi,[status(thm)],[64,12]),
[iquote('0:SSi:64.0,12.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11 % Problem : CAT014-1 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.12 % Command : run_spass %d %s
% 0.12/0.33 % Computer : n029.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 600
% 0.12/0.33 % DateTime : Sun May 29 15:55:43 EDT 2022
% 0.12/0.33 % CPUTime :
% 0.18/0.40
% 0.18/0.40 SPASS V 3.9
% 0.18/0.40 SPASS beiseite: Proof found.
% 0.18/0.40 % SZS status Theorem
% 0.18/0.40 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.18/0.40 SPASS derived 37 clauses, backtracked 0 clauses, performed 0 splits and kept 38 clauses.
% 0.18/0.40 SPASS allocated 75639 KBytes.
% 0.18/0.40 SPASS spent 0:00:00.06 on the problem.
% 0.18/0.40 0:00:00.03 for the input.
% 0.18/0.40 0:00:00.00 for the FLOTTER CNF translation.
% 0.18/0.40 0:00:00.00 for inferences.
% 0.18/0.40 0:00:00.00 for the backtracking.
% 0.18/0.40 0:00:00.00 for the reduction.
% 0.18/0.40
% 0.18/0.40
% 0.18/0.40 Here is a proof with depth 3, length 12 :
% 0.18/0.40 % SZS output start Refutation
% See solution above
% 0.18/0.40 Formulae used in the proof : prove_codomain_is_idempotent codomain_is_an_identity_map mapping_from_codomain_of_x_to_x product_on_codomain identity2 composition_is_well_defined
% 0.18/0.40
%------------------------------------------------------------------------------