TSTP Solution File: GRP036-3 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : GRP036-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n026.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 : Sat Jul 16 11:44:55 EDT 2022
% Result : Unsatisfiable 0.19s 0.42s
% Output : Refutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 7
% Syntax : Number of clauses : 14 ( 7 unt; 0 nHn; 14 RR)
% Number of literals : 25 ( 0 equ; 16 neg)
% Maximal clause size : 4 ( 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; 0-1 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
( ~ subgroup_member(u)
| product(another_identity,u,u) ),
file('GRP036-3.p',unknown),
[] ).
cnf(6,axiom,
subgroup_member(another_identity),
file('GRP036-3.p',unknown),
[] ).
cnf(7,axiom,
~ equal(identity,another_identity),
file('GRP036-3.p',unknown),
[] ).
cnf(9,axiom,
product(u,identity,u),
file('GRP036-3.p',unknown),
[] ).
cnf(11,axiom,
product(u,inverse(u),identity),
file('GRP036-3.p',unknown),
[] ).
cnf(13,axiom,
( ~ product(u,v,w)
| ~ product(u,v,x)
| equal(x,w) ),
file('GRP036-3.p',unknown),
[] ).
cnf(16,axiom,
( ~ subgroup_member(u)
| ~ subgroup_member(v)
| ~ product(v,inverse(u),w)
| subgroup_member(w) ),
file('GRP036-3.p',unknown),
[] ).
cnf(17,plain,
( ~ product(u,v,another_identity)
| ~ product(u,v,identity) ),
inference(res,[status(thm),theory(equality)],[13,7]),
[iquote('0:Res:13.2,7.0')] ).
cnf(20,plain,
( ~ subgroup_member(identity)
| ~ product(another_identity,identity,another_identity) ),
inference(res,[status(thm),theory(equality)],[1,17]),
[iquote('0:Res:1.1,17.1')] ).
cnf(25,plain,
~ subgroup_member(identity),
inference(mrr,[status(thm)],[20,9]),
[iquote('0:MRR:20.1,9.0')] ).
cnf(44,plain,
( ~ subgroup_member(u)
| ~ subgroup_member(u)
| subgroup_member(identity) ),
inference(res,[status(thm),theory(equality)],[11,16]),
[iquote('0:Res:11.0,16.2')] ).
cnf(47,plain,
( ~ subgroup_member(u)
| subgroup_member(identity) ),
inference(obv,[status(thm),theory(equality)],[44]),
[iquote('0:Obv:44.0')] ).
cnf(48,plain,
~ subgroup_member(u),
inference(mrr,[status(thm)],[47,25]),
[iquote('0:MRR:47.1,25.0')] ).
cnf(49,plain,
$false,
inference(unc,[status(thm)],[48,6]),
[iquote('0:UnC:48.0,6.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : GRP036-3 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13 % Command : run_spass %d %s
% 0.13/0.34 % Computer : n026.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 : Mon Jun 13 18:17:36 EDT 2022
% 0.13/0.35 % CPUTime :
% 0.19/0.42
% 0.19/0.42 SPASS V 3.9
% 0.19/0.42 SPASS beiseite: Proof found.
% 0.19/0.42 % SZS status Theorem
% 0.19/0.42 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.42 SPASS derived 29 clauses, backtracked 0 clauses, performed 0 splits and kept 35 clauses.
% 0.19/0.42 SPASS allocated 75622 KBytes.
% 0.19/0.42 SPASS spent 0:00:00.06 on the problem.
% 0.19/0.42 0:00:00.04 for the input.
% 0.19/0.42 0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.42 0:00:00.00 for inferences.
% 0.19/0.42 0:00:00.00 for the backtracking.
% 0.19/0.42 0:00:00.00 for the reduction.
% 0.19/0.42
% 0.19/0.42
% 0.19/0.42 Here is a proof with depth 2, length 14 :
% 0.19/0.42 % SZS output start Refutation
% See solution above
% 0.19/0.42 Formulae used in the proof : another_left_identity another_identity_in_subgroup prove_identity_equals_another_identity right_identity right_inverse total_function2 closure_of_product_and_inverse
% 0.19/0.42
%------------------------------------------------------------------------------