TSTP Solution File: SEU307+1 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : SEU307+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n007.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 14:36:06 EDT 2022
% Result : Theorem 0.20s 0.51s
% Output : Refutation 0.20s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 8
% Syntax : Number of clauses : 20 ( 12 unt; 0 nHn; 20 RR)
% Number of literals : 30 ( 0 equ; 16 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 3 ( 2 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 10 ( 10 usr; 5 con; 0-3 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
one_sorted_str(skc4),
file('SEU307+1.p',unknown),
[] ).
cnf(19,axiom,
element(skc5,powerset(the_carrier(skc4))),
file('SEU307+1.p',unknown),
[] ).
cnf(69,axiom,
( ~ element(u,powerset(v))
| subset(u,v) ),
file('SEU307+1.p',unknown),
[] ).
cnf(71,axiom,
( ~ one_sorted_str(u)
| equal(the_carrier(u),cast_as_carrier_subset(u)) ),
file('SEU307+1.p',unknown),
[] ).
cnf(72,axiom,
~ equal(subset_intersection2(the_carrier(skc4),skc5,cast_as_carrier_subset(skc4)),skc5),
file('SEU307+1.p',unknown),
[] ).
cnf(90,axiom,
( ~ one_sorted_str(u)
| element(cast_as_carrier_subset(u),powerset(the_carrier(u))) ),
file('SEU307+1.p',unknown),
[] ).
cnf(91,axiom,
( ~ subset(u,v)
| equal(set_intersection2(u,v),u) ),
file('SEU307+1.p',unknown),
[] ).
cnf(111,axiom,
( ~ element(u,powerset(v))
| ~ element(w,powerset(v))
| equal(subset_intersection2(v,w,u),set_intersection2(w,u)) ),
file('SEU307+1.p',unknown),
[] ).
cnf(113,plain,
( ~ one_sorted_str(u)
| element(cast_as_carrier_subset(u),powerset(cast_as_carrier_subset(u))) ),
inference(rew,[status(thm),theory(equality)],[71,90]),
[iquote('0:Rew:71.1,90.1')] ).
cnf(116,plain,
element(cast_as_carrier_subset(skc4),powerset(cast_as_carrier_subset(skc4))),
inference(res,[status(thm),theory(equality)],[1,113]),
[iquote('0:Res:1.0,113.0')] ).
cnf(117,plain,
equal(the_carrier(skc4),cast_as_carrier_subset(skc4)),
inference(res,[status(thm),theory(equality)],[1,71]),
[iquote('0:Res:1.0,71.0')] ).
cnf(152,plain,
subset(skc5,the_carrier(skc4)),
inference(res,[status(thm),theory(equality)],[19,69]),
[iquote('0:Res:19.0,69.0')] ).
cnf(159,plain,
element(skc5,powerset(cast_as_carrier_subset(skc4))),
inference(rew,[status(thm),theory(equality)],[117,19]),
[iquote('0:Rew:117.0,19.0')] ).
cnf(160,plain,
~ equal(subset_intersection2(cast_as_carrier_subset(skc4),skc5,cast_as_carrier_subset(skc4)),skc5),
inference(rew,[status(thm),theory(equality)],[117,72]),
[iquote('0:Rew:117.0,72.0')] ).
cnf(161,plain,
subset(skc5,cast_as_carrier_subset(skc4)),
inference(rew,[status(thm),theory(equality)],[117,152]),
[iquote('0:Rew:117.0,152.0')] ).
cnf(1034,plain,
( ~ element(cast_as_carrier_subset(skc4),powerset(cast_as_carrier_subset(skc4)))
| ~ element(skc5,powerset(cast_as_carrier_subset(skc4)))
| ~ equal(set_intersection2(skc5,cast_as_carrier_subset(skc4)),skc5) ),
inference(spl,[status(thm),theory(equality)],[111,160]),
[iquote('0:SpL:111.2,160.0')] ).
cnf(1036,plain,
~ equal(set_intersection2(skc5,cast_as_carrier_subset(skc4)),skc5),
inference(mrr,[status(thm)],[1034,116,159]),
[iquote('0:MRR:1034.0,1034.1,116.0,159.0')] ).
cnf(1038,plain,
( ~ subset(skc5,cast_as_carrier_subset(skc4))
| ~ equal(skc5,skc5) ),
inference(spl,[status(thm),theory(equality)],[91,1036]),
[iquote('0:SpL:91.1,1036.0')] ).
cnf(1039,plain,
~ subset(skc5,cast_as_carrier_subset(skc4)),
inference(obv,[status(thm),theory(equality)],[1038]),
[iquote('0:Obv:1038.1')] ).
cnf(1040,plain,
$false,
inference(mrr,[status(thm)],[1039,161]),
[iquote('0:MRR:1039.0,161.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : SEU307+1 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13 % Command : run_spass %d %s
% 0.13/0.35 % Computer : n007.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 : Sun Jun 19 10:35:29 EDT 2022
% 0.13/0.35 % CPUTime :
% 0.20/0.51
% 0.20/0.51 SPASS V 3.9
% 0.20/0.51 SPASS beiseite: Proof found.
% 0.20/0.51 % SZS status Theorem
% 0.20/0.51 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.51 SPASS derived 907 clauses, backtracked 0 clauses, performed 0 splits and kept 470 clauses.
% 0.20/0.51 SPASS allocated 98212 KBytes.
% 0.20/0.51 SPASS spent 0:00:00.15 on the problem.
% 0.20/0.51 0:00:00.04 for the input.
% 0.20/0.51 0:00:00.03 for the FLOTTER CNF translation.
% 0.20/0.51 0:00:00.01 for inferences.
% 0.20/0.51 0:00:00.00 for the backtracking.
% 0.20/0.51 0:00:00.04 for the reduction.
% 0.20/0.51
% 0.20/0.51
% 0.20/0.51 Here is a proof with depth 2, length 20 :
% 0.20/0.51 % SZS output start Refutation
% See solution above
% 0.20/0.51 Formulae used in the proof : t15_pre_topc t3_subset d3_pre_topc dt_k2_pre_topc t28_xboole_1 redefinition_k5_subset_1
% 0.20/0.51
%------------------------------------------------------------------------------