TSTP Solution File: SET027-7 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : SET027-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n013.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 05:22:51 EDT 2022
% Result : Unsatisfiable 0.12s 0.35s
% Output : Refutation 0.12s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 6
% Syntax : Number of clauses : 13 ( 8 unt; 1 nHn; 13 RR)
% Number of literals : 19 ( 0 equ; 9 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 3 ( 2 usr; 1 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 6 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(6,axiom,
subclass(x__dfg,y__dfg),
file('SET027-7.p',unknown),
[] ).
cnf(7,axiom,
subclass(y__dfg,z__dfg),
file('SET027-7.p',unknown),
[] ).
cnf(8,axiom,
~ subclass(x__dfg,z__dfg),
file('SET027-7.p',unknown),
[] ).
cnf(9,axiom,
( ~ member(u,v)
| ~ subclass(v,w)
| member(u,w) ),
file('SET027-7.p',unknown),
[] ).
cnf(10,axiom,
( subclass(u,v)
| member(not_subclass_element(u,v),u) ),
file('SET027-7.p',unknown),
[] ).
cnf(11,axiom,
( ~ member(not_subclass_element(u,v),v)
| subclass(u,v) ),
file('SET027-7.p',unknown),
[] ).
cnf(102,plain,
( ~ member(u,y__dfg)
| member(u,z__dfg) ),
inference(res,[status(thm),theory(equality)],[7,9]),
[iquote('0:Res:7.0,9.0')] ).
cnf(105,plain,
( ~ member(u,x__dfg)
| member(u,y__dfg) ),
inference(res,[status(thm),theory(equality)],[6,9]),
[iquote('0:Res:6.0,9.0')] ).
cnf(108,plain,
~ member(not_subclass_element(x__dfg,z__dfg),z__dfg),
inference(res,[status(thm),theory(equality)],[11,8]),
[iquote('0:Res:11.1,8.0')] ).
cnf(109,plain,
member(not_subclass_element(x__dfg,z__dfg),x__dfg),
inference(res,[status(thm),theory(equality)],[10,8]),
[iquote('0:Res:10.1,8.0')] ).
cnf(115,plain,
~ member(not_subclass_element(x__dfg,z__dfg),y__dfg),
inference(res,[status(thm),theory(equality)],[102,108]),
[iquote('0:Res:102.1,108.0')] ).
cnf(116,plain,
~ member(not_subclass_element(x__dfg,z__dfg),x__dfg),
inference(res,[status(thm),theory(equality)],[105,115]),
[iquote('0:Res:105.1,115.0')] ).
cnf(117,plain,
$false,
inference(mrr,[status(thm)],[116,109]),
[iquote('0:MRR:116.0,109.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.08 % Problem : SET027-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.08/0.09 % Command : run_spass %d %s
% 0.08/0.28 % Computer : n013.cluster.edu
% 0.08/0.28 % Model : x86_64 x86_64
% 0.08/0.28 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.28 % Memory : 8042.1875MB
% 0.08/0.28 % OS : Linux 3.10.0-693.el7.x86_64
% 0.08/0.28 % CPULimit : 300
% 0.08/0.28 % WCLimit : 600
% 0.08/0.28 % DateTime : Sun Jul 10 14:39:59 EDT 2022
% 0.08/0.28 % CPUTime :
% 0.12/0.35
% 0.12/0.35 SPASS V 3.9
% 0.12/0.35 SPASS beiseite: Proof found.
% 0.12/0.35 % SZS status Theorem
% 0.12/0.35 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.35 SPASS derived 15 clauses, backtracked 0 clauses, performed 0 splits and kept 108 clauses.
% 0.12/0.35 SPASS allocated 75752 KBytes.
% 0.12/0.35 SPASS spent 0:00:00.06 on the problem.
% 0.12/0.35 0:00:00.03 for the input.
% 0.12/0.35 0:00:00.00 for the FLOTTER CNF translation.
% 0.12/0.35 0:00:00.00 for inferences.
% 0.12/0.35 0:00:00.00 for the backtracking.
% 0.12/0.35 0:00:00.01 for the reduction.
% 0.12/0.35
% 0.12/0.35
% 0.12/0.35 Here is a proof with depth 3, length 13 :
% 0.12/0.35 % SZS output start Refutation
% See solution above
% 0.12/0.35 Formulae used in the proof : prove_transitivity_of_subclass_1 prove_transitivity_of_subclass_2 prove_transitivity_of_subclass_3 subclass_members not_subclass_members1 not_subclass_members2
% 0.12/0.35
%------------------------------------------------------------------------------