TSTP Solution File: GRP497-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP497-1 : TPTP v8.1.0. Released v2.6.0.
% 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 11:47:45 EDT 2022

% Result   : Unsatisfiable 0.20s 0.43s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   38 (  38 unt;   0 nHn;  38 RR)
%            Number of literals    :   38 (   0 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   5 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(double_divide(double_divide(identity,double_divide(u,double_divide(v,identity))),double_divide(double_divide(v,double_divide(w,u)),identity)),w),
    file('GRP497-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(double_divide(double_divide(u,v),identity),multiply(v,u)),
    file('GRP497-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(double_divide(u,identity),inverse(u)),
    file('GRP497-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(double_divide(u,inverse(u)),identity),
    file('GRP497-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ equal(multiply(identity,a2),a2),
    file('GRP497-1.p',unknown),
    [] ).

cnf(6,plain,
    equal(inverse(double_divide(u,v)),multiply(v,u)),
    inference(rew,[status(thm),theory(equality)],[3,2]),
    [iquote('0:Rew:3.0,2.0')] ).

cnf(7,plain,
    equal(double_divide(double_divide(identity,double_divide(u,inverse(v))),multiply(double_divide(w,u),v)),w),
    inference(rew,[status(thm),theory(equality)],[3,1,6]),
    [iquote('0:Rew:3.0,1.0,6.0,1.0,3.0,1.0')] ).

cnf(10,plain,
    equal(double_divide(double_divide(u,v),multiply(v,u)),identity),
    inference(spr,[status(thm),theory(equality)],[6,4]),
    [iquote('0:SpR:6.0,4.0')] ).

cnf(13,plain,
    equal(multiply(identity,u),inverse(inverse(u))),
    inference(spr,[status(thm),theory(equality)],[3,6]),
    [iquote('0:SpR:3.0,6.0')] ).

cnf(14,plain,
    ~ equal(inverse(inverse(a2)),a2),
    inference(rew,[status(thm),theory(equality)],[13,5]),
    [iquote('0:Rew:13.0,5.0')] ).

cnf(47,plain,
    equal(inverse(identity),identity),
    inference(spr,[status(thm),theory(equality)],[7,10]),
    [iquote('0:SpR:7.0,10.0')] ).

cnf(51,plain,
    equal(double_divide(double_divide(identity,double_divide(inverse(u),inverse(v))),multiply(identity,v)),u),
    inference(spr,[status(thm),theory(equality)],[4,7]),
    [iquote('0:SpR:4.0,7.0')] ).

cnf(55,plain,
    equal(double_divide(double_divide(identity,identity),multiply(double_divide(u,v),v)),u),
    inference(spr,[status(thm),theory(equality)],[4,7]),
    [iquote('0:SpR:4.0,7.0')] ).

cnf(58,plain,
    equal(double_divide(inverse(identity),multiply(double_divide(u,v),v)),u),
    inference(rew,[status(thm),theory(equality)],[3,55]),
    [iquote('0:Rew:3.0,55.0')] ).

cnf(59,plain,
    equal(double_divide(identity,multiply(double_divide(u,v),v)),u),
    inference(rew,[status(thm),theory(equality)],[47,58]),
    [iquote('0:Rew:47.0,58.0')] ).

cnf(60,plain,
    equal(double_divide(double_divide(identity,double_divide(inverse(u),inverse(v))),inverse(inverse(v))),u),
    inference(rew,[status(thm),theory(equality)],[13,51]),
    [iquote('0:Rew:13.0,51.0')] ).

cnf(98,plain,
    equal(double_divide(identity,multiply(identity,inverse(u))),u),
    inference(spr,[status(thm),theory(equality)],[4,59]),
    [iquote('0:SpR:4.0,59.0')] ).

cnf(99,plain,
    equal(double_divide(identity,multiply(inverse(u),identity)),u),
    inference(spr,[status(thm),theory(equality)],[3,59]),
    [iquote('0:SpR:3.0,59.0')] ).

cnf(102,plain,
    equal(double_divide(identity,inverse(inverse(inverse(u)))),u),
    inference(rew,[status(thm),theory(equality)],[13,98]),
    [iquote('0:Rew:13.0,98.0')] ).

cnf(118,plain,
    equal(double_divide(double_divide(identity,double_divide(inverse(u),identity)),inverse(identity)),u),
    inference(spr,[status(thm),theory(equality)],[47,60]),
    [iquote('0:SpR:47.0,60.0')] ).

cnf(122,plain,
    equal(double_divide(double_divide(identity,double_divide(identity,inverse(u))),inverse(inverse(u))),identity),
    inference(spr,[status(thm),theory(equality)],[47,60]),
    [iquote('0:SpR:47.0,60.0')] ).

cnf(125,plain,
    equal(multiply(inverse(inverse(u)),identity),u),
    inference(rew,[status(thm),theory(equality)],[6,118,3,47]),
    [iquote('0:Rew:6.0,118.0,3.0,118.0,3.0,118.0,47.0,118.0')] ).

cnf(133,plain,
    equal(double_divide(double_divide(identity,inverse(inverse(u))),u),identity),
    inference(spr,[status(thm),theory(equality)],[125,10]),
    [iquote('0:SpR:125.0,10.0')] ).

cnf(161,plain,
    equal(double_divide(identity,u),inverse(u)),
    inference(spr,[status(thm),theory(equality)],[125,99]),
    [iquote('0:SpR:125.0,99.0')] ).

cnf(163,plain,
    equal(inverse(inverse(inverse(inverse(u)))),u),
    inference(rew,[status(thm),theory(equality)],[161,102]),
    [iquote('0:Rew:161.0,102.0')] ).

cnf(166,plain,
    equal(double_divide(inverse(double_divide(u,inverse(v))),multiply(double_divide(w,u),v)),w),
    inference(rew,[status(thm),theory(equality)],[161,7]),
    [iquote('0:Rew:161.0,7.0')] ).

cnf(174,plain,
    equal(double_divide(inverse(inverse(inverse(u))),u),identity),
    inference(rew,[status(thm),theory(equality)],[161,133]),
    [iquote('0:Rew:161.0,133.0')] ).

cnf(178,plain,
    equal(double_divide(double_divide(identity,inverse(inverse(u))),inverse(inverse(u))),identity),
    inference(rew,[status(thm),theory(equality)],[161,122]),
    [iquote('0:Rew:161.0,122.0')] ).

cnf(192,plain,
    equal(double_divide(inverse(inverse(inverse(u))),inverse(inverse(u))),identity),
    inference(rew,[status(thm),theory(equality)],[161,178]),
    [iquote('0:Rew:161.0,178.0')] ).

cnf(194,plain,
    equal(double_divide(multiply(inverse(u),v),multiply(double_divide(w,v),u)),w),
    inference(rew,[status(thm),theory(equality)],[6,166]),
    [iquote('0:Rew:6.0,166.0')] ).

cnf(283,plain,
    equal(double_divide(multiply(inverse(u),v),multiply(identity,u)),inverse(inverse(inverse(v)))),
    inference(spr,[status(thm),theory(equality)],[174,194]),
    [iquote('0:SpR:174.0,194.0')] ).

cnf(296,plain,
    equal(double_divide(multiply(inverse(u),v),inverse(inverse(u))),inverse(inverse(inverse(v)))),
    inference(rew,[status(thm),theory(equality)],[13,283]),
    [iquote('0:Rew:13.0,283.0')] ).

cnf(346,plain,
    equal(double_divide(multiply(inverse(u),inverse(inverse(v))),multiply(identity,u)),inverse(inverse(inverse(v)))),
    inference(spr,[status(thm),theory(equality)],[192,194]),
    [iquote('0:SpR:192.0,194.0')] ).

cnf(363,plain,
    equal(double_divide(multiply(inverse(u),inverse(inverse(v))),inverse(inverse(u))),inverse(inverse(inverse(v)))),
    inference(rew,[status(thm),theory(equality)],[13,346]),
    [iquote('0:Rew:13.0,346.0')] ).

cnf(364,plain,
    equal(inverse(inverse(inverse(inverse(inverse(u))))),inverse(inverse(inverse(u)))),
    inference(rew,[status(thm),theory(equality)],[296,363]),
    [iquote('0:Rew:296.0,363.0')] ).

cnf(365,plain,
    equal(inverse(inverse(inverse(u))),inverse(u)),
    inference(rew,[status(thm),theory(equality)],[163,364]),
    [iquote('0:Rew:163.0,364.0')] ).

cnf(366,plain,
    equal(inverse(inverse(u)),u),
    inference(rew,[status(thm),theory(equality)],[365,163]),
    [iquote('0:Rew:365.0,163.0')] ).

cnf(376,plain,
    $false,
    inference(unc,[status(thm)],[366,14]),
    [iquote('0:UnC:366.0,14.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP497-1 : TPTP v8.1.0. Released v2.6.0.
% 0.11/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n004.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 08:01:54 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.20/0.43  
% 0.20/0.43  SPASS V 3.9 
% 0.20/0.43  SPASS beiseite: Proof found.
% 0.20/0.43  % SZS status Theorem
% 0.20/0.43  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.20/0.43  SPASS derived 245 clauses, backtracked 0 clauses, performed 0 splits and kept 96 clauses.
% 0.20/0.43  SPASS allocated 63491 KBytes.
% 0.20/0.43  SPASS spent	0:00:00.08 on the problem.
% 0.20/0.43  		0:00:00.03 for the input.
% 0.20/0.43  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.43  		0:00:00.00 for inferences.
% 0.20/0.43  		0:00:00.00 for the backtracking.
% 0.20/0.43  		0:00:00.02 for the reduction.
% 0.20/0.43  
% 0.20/0.43  
% 0.20/0.43  Here is a proof with depth 5, length 38 :
% 0.20/0.43  % SZS output start Refutation
% See solution above
% 0.20/0.43  Formulae used in the proof : single_axiom multiply inverse identity prove_these_axioms_2
% 0.20/0.43  
%------------------------------------------------------------------------------