TSTP Solution File: SET006-1 by SPASS---3.9
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- Process Solution
%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : SET006-1 : 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 : Tue Jul 19 05:22:21 EDT 2022
% Result : Unsatisfiable 0.19s 0.41s
% Output : Refutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 5
% Syntax : Number of clauses : 10 ( 6 unt; 1 nHn; 10 RR)
% Number of literals : 15 ( 0 equ; 6 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 7 ( 7 usr; 6 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
intersection(d,a,d),
file('SET006-1.p',unknown),
[] ).
cnf(2,axiom,
~ subset(d,a),
file('SET006-1.p',unknown),
[] ).
cnf(4,axiom,
( subset(u,v)
| member(member_of_1_not_of_2(u,v),u) ),
file('SET006-1.p',unknown),
[] ).
cnf(5,axiom,
( ~ member(member_of_1_not_of_2(u,v),v)
| subset(u,v) ),
file('SET006-1.p',unknown),
[] ).
cnf(10,axiom,
( ~ member(u,v)
| ~ intersection(w,x,v)
| member(u,x) ),
file('SET006-1.p',unknown),
[] ).
cnf(16,plain,
~ member(member_of_1_not_of_2(d,a),a),
inference(res,[status(thm),theory(equality)],[5,2]),
[iquote('0:Res:5.1,2.0')] ).
cnf(17,plain,
member(member_of_1_not_of_2(d,a),d),
inference(res,[status(thm),theory(equality)],[4,2]),
[iquote('0:Res:4.0,2.0')] ).
cnf(26,plain,
( ~ member(u,d)
| member(u,a) ),
inference(res,[status(thm),theory(equality)],[1,10]),
[iquote('0:Res:1.0,10.1')] ).
cnf(28,plain,
member(member_of_1_not_of_2(d,a),a),
inference(res,[status(thm),theory(equality)],[17,26]),
[iquote('0:Res:17.0,26.0')] ).
cnf(30,plain,
$false,
inference(mrr,[status(thm)],[28,16]),
[iquote('0:MRR:28.0,16.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SET006-1 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.13 % 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 : Sun Jul 10 04:15:38 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.19/0.41
% 0.19/0.41 SPASS V 3.9
% 0.19/0.41 SPASS beiseite: Proof found.
% 0.19/0.41 % SZS status Theorem
% 0.19/0.41 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.41 SPASS derived 14 clauses, backtracked 0 clauses, performed 0 splits and kept 22 clauses.
% 0.19/0.41 SPASS allocated 63100 KBytes.
% 0.19/0.41 SPASS spent 0:00:00.06 on the problem.
% 0.19/0.41 0:00:00.03 for the input.
% 0.19/0.41 0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.41 0:00:00.00 for inferences.
% 0.19/0.41 0:00:00.00 for the backtracking.
% 0.19/0.41 0:00:00.00 for the reduction.
% 0.19/0.41
% 0.19/0.41
% 0.19/0.41 Here is a proof with depth 2, length 10 :
% 0.19/0.41 % SZS output start Refutation
% See solution above
% 0.19/0.41 Formulae used in the proof : d_intersection_a_is_d prove_d_is_a_subset_of_a subsets_axiom1 subsets_axiom2 member_of_intersection_is_member_of_set2
% 0.19/0.41
%------------------------------------------------------------------------------