TSTP Solution File: GEO208+3 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : GEO208+3 : TPTP v8.1.0. Released v4.0.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n004.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 06:23:26 EDT 2022
% Result : Theorem 0.13s 0.37s
% Output : Refutation 0.13s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 5
% Syntax : Number of clauses : 9 ( 6 unt; 1 nHn; 9 RR)
% Number of literals : 12 ( 0 equ; 6 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 4 con; 0-0 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(3,axiom,
parallel_lines(skc3,skc4),
file('GEO208+3.p',unknown),
[] ).
cnf(4,axiom,
~ equal_lines(skc3,skc4),
file('GEO208+3.p',unknown),
[] ).
cnf(17,axiom,
( equal_lines(u,v)
| distinct_lines(u,v) ),
file('GEO208+3.p',unknown),
[] ).
cnf(21,axiom,
( ~ distinct_lines(u,v)
| convergent_lines(u,v) ),
file('GEO208+3.p',unknown),
[] ).
cnf(26,axiom,
( ~ convergent_lines(u,v)
| ~ parallel_lines(u,v) ),
file('GEO208+3.p',unknown),
[] ).
cnf(51,plain,
~ convergent_lines(skc3,skc4),
inference(res,[status(thm),theory(equality)],[3,26]),
[iquote('0:Res:3.0,26.0')] ).
cnf(54,plain,
distinct_lines(skc3,skc4),
inference(res,[status(thm),theory(equality)],[17,4]),
[iquote('0:Res:17.1,4.0')] ).
cnf(67,plain,
~ distinct_lines(skc3,skc4),
inference(res,[status(thm),theory(equality)],[21,51]),
[iquote('0:Res:21.1,51.0')] ).
cnf(70,plain,
$false,
inference(mrr,[status(thm)],[67,54]),
[iquote('0:MRR:67.0,54.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.09 % Problem : GEO208+3 : TPTP v8.1.0. Released v4.0.0.
% 0.04/0.09 % Command : run_spass %d %s
% 0.08/0.28 % Computer : n004.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 : Fri Jun 17 22:20:53 EDT 2022
% 0.08/0.28 % CPUTime :
% 0.13/0.37
% 0.13/0.37 SPASS V 3.9
% 0.13/0.37 SPASS beiseite: Proof found.
% 0.13/0.37 % SZS status Theorem
% 0.13/0.37 Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.37 SPASS derived 15 clauses, backtracked 0 clauses, performed 0 splits and kept 61 clauses.
% 0.13/0.37 SPASS allocated 97737 KBytes.
% 0.13/0.37 SPASS spent 0:00:00.08 on the problem.
% 0.13/0.37 0:00:00.03 for the input.
% 0.13/0.37 0:00:00.03 for the FLOTTER CNF translation.
% 0.13/0.37 0:00:00.00 for inferences.
% 0.13/0.37 0:00:00.00 for the backtracking.
% 0.13/0.37 0:00:00.00 for the reduction.
% 0.13/0.37
% 0.13/0.37
% 0.13/0.37 Here is a proof with depth 2, length 9 :
% 0.13/0.37 % SZS output start Refutation
% See solution above
% 0.13/0.37 Formulae used in the proof : con ax2 p1 a3
% 0.13/0.37
%------------------------------------------------------------------------------