TSTP Solution File: GRP156-1 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : GRP156-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n024.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 11:45:58 EDT 2022
% Result : Unsatisfiable 0.21s 0.46s
% Output : Refutation 0.21s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 4
% Syntax : Number of clauses : 7 ( 7 unt; 0 nHn; 7 RR)
% Number of literals : 7 ( 0 equ; 1 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 6 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
equal(least_upper_bound(a,b),b),
file('GRP156-1.p',unknown),
[] ).
cnf(2,axiom,
~ equal(greatest_lower_bound(multiply(a,c),multiply(b,c)),multiply(a,c)),
file('GRP156-1.p',unknown),
[] ).
cnf(13,axiom,
equal(greatest_lower_bound(u,least_upper_bound(u,v)),u),
file('GRP156-1.p',unknown),
[] ).
cnf(17,axiom,
equal(multiply(greatest_lower_bound(u,v),w),greatest_lower_bound(multiply(u,w),multiply(v,w))),
file('GRP156-1.p',unknown),
[] ).
cnf(24,plain,
equal(greatest_lower_bound(a,b),a),
inference(spr,[status(thm),theory(equality)],[1,13]),
[iquote('0:SpR:1.0,13.0')] ).
cnf(392,plain,
equal(greatest_lower_bound(multiply(a,u),multiply(b,u)),multiply(a,u)),
inference(spr,[status(thm),theory(equality)],[24,17]),
[iquote('0:SpR:24.0,17.0')] ).
cnf(402,plain,
$false,
inference(unc,[status(thm)],[392,2]),
[iquote('0:UnC:392.0,2.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13 % Problem : GRP156-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.04/0.14 % Command : run_spass %d %s
% 0.14/0.36 % Computer : n024.cluster.edu
% 0.14/0.36 % Model : x86_64 x86_64
% 0.14/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36 % Memory : 8042.1875MB
% 0.14/0.36 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36 % CPULimit : 300
% 0.14/0.36 % WCLimit : 600
% 0.14/0.36 % DateTime : Tue Jun 14 13:33:33 EDT 2022
% 0.14/0.36 % CPUTime :
% 0.21/0.46
% 0.21/0.46 SPASS V 3.9
% 0.21/0.46 SPASS beiseite: Proof found.
% 0.21/0.46 % SZS status Theorem
% 0.21/0.46 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.21/0.46 SPASS derived 312 clauses, backtracked 0 clauses, performed 0 splits and kept 85 clauses.
% 0.21/0.46 SPASS allocated 63481 KBytes.
% 0.21/0.46 SPASS spent 0:00:00.08 on the problem.
% 0.21/0.46 0:00:00.03 for the input.
% 0.21/0.46 0:00:00.00 for the FLOTTER CNF translation.
% 0.21/0.46 0:00:00.00 for inferences.
% 0.21/0.46 0:00:00.00 for the backtracking.
% 0.21/0.46 0:00:00.02 for the reduction.
% 0.21/0.46
% 0.21/0.46
% 0.21/0.46 Here is a proof with depth 2, length 7 :
% 0.21/0.46 % SZS output start Refutation
% See solution above
% 0.21/0.46 Formulae used in the proof : ax_mono1c_1 prove_ax_mono1c glb_absorbtion monotony_glb2
% 0.21/0.46
%------------------------------------------------------------------------------