TSTP Solution File: GRP163-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP163-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n011.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 11:45:59 EDT 2022

% Result   : Unsatisfiable 0.20s 0.42s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   17 (  17 unt;   0 nHn;  17 RR)
%            Number of literals    :   17 (   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    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(greatest_lower_bound(a,b),a),
    file('GRP163-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(greatest_lower_bound(b,c),b),
    file('GRP163-1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ equal(greatest_lower_bound(a,c),a),
    file('GRP163-1.p',unknown),
    [] ).

cnf(7,axiom,
    equal(greatest_lower_bound(u,v),greatest_lower_bound(v,u)),
    file('GRP163-1.p',unknown),
    [] ).

cnf(8,axiom,
    equal(least_upper_bound(u,v),least_upper_bound(v,u)),
    file('GRP163-1.p',unknown),
    [] ).

cnf(10,axiom,
    equal(least_upper_bound(least_upper_bound(u,v),w),least_upper_bound(u,least_upper_bound(v,w))),
    file('GRP163-1.p',unknown),
    [] ).

cnf(13,axiom,
    equal(least_upper_bound(u,greatest_lower_bound(u,v)),u),
    file('GRP163-1.p',unknown),
    [] ).

cnf(14,axiom,
    equal(greatest_lower_bound(u,least_upper_bound(u,v)),u),
    file('GRP163-1.p',unknown),
    [] ).

cnf(42,plain,
    equal(least_upper_bound(u,greatest_lower_bound(v,u)),u),
    inference(spr,[status(thm),theory(equality)],[7,13]),
    [iquote('0:SpR:7.0,13.0')] ).

cnf(61,plain,
    equal(least_upper_bound(c,b),c),
    inference(spr,[status(thm),theory(equality)],[2,42]),
    [iquote('0:SpR:2.0,42.0')] ).

cnf(62,plain,
    equal(least_upper_bound(b,a),b),
    inference(spr,[status(thm),theory(equality)],[1,42]),
    [iquote('0:SpR:1.0,42.0')] ).

cnf(68,plain,
    equal(least_upper_bound(b,c),c),
    inference(rew,[status(thm),theory(equality)],[8,61]),
    [iquote('0:Rew:8.0,61.0')] ).

cnf(69,plain,
    equal(least_upper_bound(a,b),b),
    inference(rew,[status(thm),theory(equality)],[8,62]),
    [iquote('0:Rew:8.0,62.0')] ).

cnf(96,plain,
    equal(least_upper_bound(a,least_upper_bound(b,u)),least_upper_bound(b,u)),
    inference(spr,[status(thm),theory(equality)],[69,10]),
    [iquote('0:SpR:69.0,10.0')] ).

cnf(162,plain,
    equal(least_upper_bound(a,c),c),
    inference(spr,[status(thm),theory(equality)],[68,96]),
    [iquote('0:SpR:68.0,96.0')] ).

cnf(165,plain,
    equal(greatest_lower_bound(a,c),a),
    inference(spr,[status(thm),theory(equality)],[162,14]),
    [iquote('0:SpR:162.0,14.0')] ).

cnf(170,plain,
    $false,
    inference(mrr,[status(thm)],[165,3]),
    [iquote('0:MRR:165.0,3.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GRP163-1 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.04/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n011.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 : Tue Jun 14 10:06:04 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.20/0.42  
% 0.20/0.42  SPASS V 3.9 
% 0.20/0.42  SPASS beiseite: Proof found.
% 0.20/0.42  % SZS status Theorem
% 0.20/0.42  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.20/0.42  SPASS derived 132 clauses, backtracked 0 clauses, performed 0 splits and kept 57 clauses.
% 0.20/0.42  SPASS allocated 63247 KBytes.
% 0.20/0.42  SPASS spent	0:00:00.06 on the problem.
% 0.20/0.42  		0:00:00.03 for the input.
% 0.20/0.42  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.42  		0:00:00.00 for inferences.
% 0.20/0.42  		0:00:00.00 for the backtracking.
% 0.20/0.42  		0:00:00.01 for the reduction.
% 0.20/0.42  
% 0.20/0.42  
% 0.20/0.42  Here is a proof with depth 5, length 17 :
% 0.20/0.42  % SZS output start Refutation
% See solution above
% 0.20/0.42  Formulae used in the proof : ax_transb_1 ax_transb_2 prove_ax_transb symmetry_of_glb symmetry_of_lub associativity_of_lub lub_absorbtion glb_absorbtion
% 0.20/0.42  
%------------------------------------------------------------------------------