TSTP Solution File: GRP001-4 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP001-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n022.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 11:44:39 EDT 2022

% Result   : Unsatisfiable 0.21s 0.43s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   16 (  16 unt;   0 nHn;  16 RR)
%            Number of literals    :   16 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w))),
    file('GRP001-4.p',unknown),
    [] ).

cnf(2,axiom,
    equal(multiply(identity,u),u),
    file('GRP001-4.p',unknown),
    [] ).

cnf(3,axiom,
    equal(multiply(u,u),identity),
    file('GRP001-4.p',unknown),
    [] ).

cnf(4,axiom,
    equal(multiply(a,b),c),
    file('GRP001-4.p',unknown),
    [] ).

cnf(5,axiom,
    ~ equal(multiply(b,a),c),
    file('GRP001-4.p',unknown),
    [] ).

cnf(10,plain,
    equal(multiply(u,multiply(v,multiply(u,v))),identity),
    inference(spr,[status(thm),theory(equality)],[1,3]),
    [iquote('0:SpR:1.0,3.0')] ).

cnf(13,plain,
    equal(multiply(a,multiply(b,u)),multiply(c,u)),
    inference(spr,[status(thm),theory(equality)],[4,1]),
    [iquote('0:SpR:4.0,1.0')] ).

cnf(15,plain,
    equal(multiply(u,multiply(u,v)),multiply(identity,v)),
    inference(spr,[status(thm),theory(equality)],[3,1]),
    [iquote('0:SpR:3.0,1.0')] ).

cnf(16,plain,
    equal(multiply(u,multiply(u,v)),v),
    inference(rew,[status(thm),theory(equality)],[2,15]),
    [iquote('0:Rew:2.0,15.0')] ).

cnf(25,plain,
    equal(multiply(u,identity),u),
    inference(spr,[status(thm),theory(equality)],[3,16]),
    [iquote('0:SpR:3.0,16.0')] ).

cnf(44,plain,
    equal(multiply(c,b),multiply(a,identity)),
    inference(spr,[status(thm),theory(equality)],[3,13]),
    [iquote('0:SpR:3.0,13.0')] ).

cnf(47,plain,
    equal(multiply(c,b),a),
    inference(rew,[status(thm),theory(equality)],[25,44]),
    [iquote('0:Rew:25.0,44.0')] ).

cnf(57,plain,
    equal(multiply(u,multiply(v,u)),multiply(v,identity)),
    inference(spr,[status(thm),theory(equality)],[10,16]),
    [iquote('0:SpR:10.0,16.0')] ).

cnf(77,plain,
    equal(multiply(u,multiply(v,u)),v),
    inference(rew,[status(thm),theory(equality)],[25,57]),
    [iquote('0:Rew:25.0,57.0')] ).

cnf(113,plain,
    equal(multiply(b,a),c),
    inference(spr,[status(thm),theory(equality)],[47,77]),
    [iquote('0:SpR:47.0,77.0')] ).

cnf(115,plain,
    $false,
    inference(mrr,[status(thm)],[113,5]),
    [iquote('0:MRR:113.0,5.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : GRP001-4 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : run_spass %d %s
% 0.14/0.34  % Computer : n022.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Tue Jun 14 06:13:18 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.21/0.43  
% 0.21/0.43  SPASS V 3.9 
% 0.21/0.43  SPASS beiseite: Proof found.
% 0.21/0.43  % SZS status Theorem
% 0.21/0.43  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.21/0.43  SPASS derived 88 clauses, backtracked 0 clauses, performed 0 splits and kept 27 clauses.
% 0.21/0.43  SPASS allocated 63185 KBytes.
% 0.21/0.43  SPASS spent	0:00:00.07 on the problem.
% 0.21/0.43  		0:00:00.04 for the input.
% 0.21/0.43  		0:00:00.00 for the FLOTTER CNF translation.
% 0.21/0.43  		0:00:00.00 for inferences.
% 0.21/0.43  		0:00:00.00 for the backtracking.
% 0.21/0.43  		0:00:00.00 for the reduction.
% 0.21/0.43  
% 0.21/0.43  
% 0.21/0.43  Here is a proof with depth 3, length 16 :
% 0.21/0.43  % SZS output start Refutation
% See solution above
% 0.21/0.43  Formulae used in the proof : associativity left_identity squareness a_times_b_is_c prove_b_times_a_is_c
% 0.21/0.43  
%------------------------------------------------------------------------------