TSTP Solution File: GRP483-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP483-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n016.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 11:47:41 EDT 2022

% Result   : Unsatisfiable 0.19s 0.52s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   54 (  54 unt;   0 nHn;  54 RR)
%            Number of literals    :   54 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   8 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(double_divide(double_divide(double_divide(u,double_divide(v,identity)),double_divide(double_divide(w,double_divide(x,double_divide(x,identity))),double_divide(u,identity))),v),w),
    file('GRP483-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(double_divide(double_divide(u,v),identity),multiply(v,u)),
    file('GRP483-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(double_divide(u,identity),inverse(u)),
    file('GRP483-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(double_divide(u,inverse(u)),identity),
    file('GRP483-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))),
    file('GRP483-1.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(double_divide(u,inverse(v)),double_divide(inverse(w),inverse(u))),v),w),
    inference(rew,[status(thm),theory(equality)],[3,1,4]),
    [iquote('0:Rew:3.0,1.0,3.0,1.0,4.0,1.0,3.0,1.0,3.0,1.0')] ).

cnf(12,plain,
    equal(multiply(inverse(u),u),inverse(identity)),
    inference(spr,[status(thm),theory(equality)],[4,6]),
    [iquote('0:SpR:4.0,6.0')] ).

cnf(15,plain,
    equal(multiply(multiply(u,v),double_divide(v,u)),inverse(identity)),
    inference(spr,[status(thm),theory(equality)],[6,12]),
    [iquote('0:SpR:6.0,12.0')] ).

cnf(44,plain,
    equal(double_divide(double_divide(u,double_divide(inverse(v),inverse(double_divide(double_divide(w,inverse(inverse(x))),double_divide(inverse(u),inverse(w)))))),x),v),
    inference(spr,[status(thm),theory(equality)],[7]),
    [iquote('0:SpR:7.0,7.0')] ).

cnf(45,plain,
    equal(inverse(double_divide(double_divide(u,inverse(identity)),double_divide(inverse(v),inverse(u)))),v),
    inference(spr,[status(thm),theory(equality)],[7,3]),
    [iquote('0:SpR:7.0,3.0')] ).

cnf(46,plain,
    equal(multiply(u,double_divide(double_divide(v,inverse(u)),double_divide(inverse(w),inverse(v)))),inverse(w)),
    inference(spr,[status(thm),theory(equality)],[7,6]),
    [iquote('0:SpR:7.0,6.0')] ).

cnf(52,plain,
    equal(double_divide(double_divide(double_divide(inverse(u),inverse(v)),identity),v),u),
    inference(spr,[status(thm),theory(equality)],[4,7]),
    [iquote('0:SpR:4.0,7.0')] ).

cnf(55,plain,
    equal(double_divide(multiply(inverse(u),inverse(v)),u),v),
    inference(rew,[status(thm),theory(equality)],[6,52,3]),
    [iquote('0:Rew:6.0,52.0,3.0,52.0')] ).

cnf(56,plain,
    equal(multiply(double_divide(inverse(u),inverse(v)),double_divide(v,inverse(identity))),u),
    inference(rew,[status(thm),theory(equality)],[6,45]),
    [iquote('0:Rew:6.0,45.0')] ).

cnf(59,plain,
    equal(double_divide(double_divide(u,double_divide(inverse(v),multiply(double_divide(inverse(u),inverse(w)),double_divide(w,inverse(inverse(x)))))),x),v),
    inference(rew,[status(thm),theory(equality)],[6,44]),
    [iquote('0:Rew:6.0,44.0')] ).

cnf(68,plain,
    equal(double_divide(inverse(identity),inverse(u)),u),
    inference(spr,[status(thm),theory(equality)],[12,55]),
    [iquote('0:SpR:12.0,55.0')] ).

cnf(71,plain,
    equal(inverse(identity),identity),
    inference(spr,[status(thm),theory(equality)],[68,4]),
    [iquote('0:SpR:68.0,4.0')] ).

cnf(72,plain,
    equal(double_divide(double_divide(u,double_divide(inverse(v),inverse(inverse(identity)))),u),v),
    inference(spr,[status(thm),theory(equality)],[68,7]),
    [iquote('0:SpR:68.0,7.0')] ).

cnf(73,plain,
    equal(multiply(inverse(u),inverse(identity)),inverse(u)),
    inference(spr,[status(thm),theory(equality)],[68,6]),
    [iquote('0:SpR:68.0,6.0')] ).

cnf(80,plain,
    equal(multiply(multiply(u,v),double_divide(v,u)),identity),
    inference(rew,[status(thm),theory(equality)],[71,15]),
    [iquote('0:Rew:71.0,15.0')] ).

cnf(81,plain,
    equal(double_divide(identity,inverse(u)),u),
    inference(rew,[status(thm),theory(equality)],[71,68]),
    [iquote('0:Rew:71.0,68.0')] ).

cnf(82,plain,
    equal(multiply(double_divide(inverse(u),inverse(v)),double_divide(v,identity)),u),
    inference(rew,[status(thm),theory(equality)],[71,56]),
    [iquote('0:Rew:71.0,56.0')] ).

cnf(85,plain,
    equal(multiply(inverse(u),identity),inverse(u)),
    inference(rew,[status(thm),theory(equality)],[71,73]),
    [iquote('0:Rew:71.0,73.0')] ).

cnf(89,plain,
    equal(multiply(double_divide(inverse(u),inverse(v)),inverse(v)),u),
    inference(rew,[status(thm),theory(equality)],[3,82]),
    [iquote('0:Rew:3.0,82.0')] ).

cnf(90,plain,
    equal(double_divide(double_divide(u,double_divide(inverse(v),identity)),u),v),
    inference(rew,[status(thm),theory(equality)],[71,72]),
    [iquote('0:Rew:71.0,72.0,71.0,72.0')] ).

cnf(91,plain,
    equal(double_divide(double_divide(u,inverse(inverse(v))),u),v),
    inference(rew,[status(thm),theory(equality)],[3,90]),
    [iquote('0:Rew:3.0,90.0')] ).

cnf(97,plain,
    equal(double_divide(multiply(inverse(u),identity),u),identity),
    inference(spr,[status(thm),theory(equality)],[71,55]),
    [iquote('0:SpR:71.0,55.0')] ).

cnf(101,plain,
    equal(double_divide(inverse(u),u),identity),
    inference(rew,[status(thm),theory(equality)],[85,97]),
    [iquote('0:Rew:85.0,97.0')] ).

cnf(126,plain,
    equal(multiply(double_divide(inverse(u),identity),identity),u),
    inference(spr,[status(thm),theory(equality)],[71,89]),
    [iquote('0:SpR:71.0,89.0')] ).

cnf(133,plain,
    equal(multiply(inverse(inverse(u)),identity),u),
    inference(rew,[status(thm),theory(equality)],[3,126]),
    [iquote('0:Rew:3.0,126.0')] ).

cnf(134,plain,
    equal(inverse(inverse(u)),u),
    inference(rew,[status(thm),theory(equality)],[85,133]),
    [iquote('0:Rew:85.0,133.0')] ).

cnf(136,plain,
    equal(double_divide(double_divide(u,v),u),v),
    inference(rew,[status(thm),theory(equality)],[134,91]),
    [iquote('0:Rew:134.0,91.0')] ).

cnf(139,plain,
    equal(double_divide(double_divide(u,double_divide(inverse(v),multiply(double_divide(inverse(u),inverse(w)),double_divide(w,x)))),x),v),
    inference(rew,[status(thm),theory(equality)],[134,59]),
    [iquote('0:Rew:134.0,59.0')] ).

cnf(148,plain,
    equal(double_divide(identity,u),inverse(u)),
    inference(spr,[status(thm),theory(equality)],[134,81]),
    [iquote('0:SpR:134.0,81.0')] ).

cnf(156,plain,
    equal(inverse(multiply(u,v)),double_divide(v,u)),
    inference(spr,[status(thm),theory(equality)],[6,134]),
    [iquote('0:SpR:6.0,134.0')] ).

cnf(190,plain,
    equal(multiply(u,double_divide(double_divide(identity,inverse(u)),double_divide(inverse(v),identity))),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[71,46]),
    [iquote('0:SpR:71.0,46.0')] ).

cnf(196,plain,
    equal(multiply(u,double_divide(double_divide(v,inverse(u)),identity)),inverse(inverse(v))),
    inference(spr,[status(thm),theory(equality)],[101,46]),
    [iquote('0:SpR:101.0,46.0')] ).

cnf(203,plain,
    equal(multiply(u,multiply(inverse(u),v)),v),
    inference(rew,[status(thm),theory(equality)],[6,196,3,134]),
    [iquote('0:Rew:6.0,196.0,3.0,196.0,134.0,196.0')] ).

cnf(211,plain,
    equal(multiply(u,double_divide(double_divide(identity,inverse(u)),v)),inverse(v)),
    inference(rew,[status(thm),theory(equality)],[134,190,3]),
    [iquote('0:Rew:134.0,190.0,3.0,190.0')] ).

cnf(212,plain,
    equal(multiply(u,double_divide(inverse(inverse(u)),v)),inverse(v)),
    inference(rew,[status(thm),theory(equality)],[148,211]),
    [iquote('0:Rew:148.0,211.0')] ).

cnf(213,plain,
    equal(multiply(u,double_divide(u,v)),inverse(v)),
    inference(rew,[status(thm),theory(equality)],[134,212]),
    [iquote('0:Rew:134.0,212.0')] ).

cnf(236,plain,
    equal(double_divide(u,double_divide(v,u)),v),
    inference(spr,[status(thm),theory(equality)],[136]),
    [iquote('0:SpR:136.0,136.0')] ).

cnf(356,plain,
    equal(double_divide(inverse(u),v),multiply(u,inverse(v))),
    inference(spr,[status(thm),theory(equality)],[213,203]),
    [iquote('0:SpR:213.0,203.0')] ).

cnf(373,plain,
    equal(double_divide(double_divide(u,multiply(v,inverse(multiply(double_divide(inverse(u),inverse(w)),double_divide(w,x))))),x),v),
    inference(rew,[status(thm),theory(equality)],[356,139]),
    [iquote('0:Rew:356.0,139.0')] ).

cnf(397,plain,
    equal(double_divide(double_divide(u,multiply(v,double_divide(double_divide(w,x),double_divide(inverse(u),inverse(w))))),x),v),
    inference(rew,[status(thm),theory(equality)],[156,373]),
    [iquote('0:Rew:156.0,373.0')] ).

cnf(398,plain,
    equal(double_divide(double_divide(u,multiply(v,double_divide(double_divide(w,x),multiply(u,inverse(inverse(w)))))),x),v),
    inference(rew,[status(thm),theory(equality)],[356,397]),
    [iquote('0:Rew:356.0,397.0')] ).

cnf(399,plain,
    equal(double_divide(double_divide(u,multiply(v,double_divide(double_divide(w,x),multiply(u,w)))),x),v),
    inference(rew,[status(thm),theory(equality)],[134,398]),
    [iquote('0:Rew:134.0,398.0')] ).

cnf(659,plain,
    equal(multiply(multiply(u,v),double_divide(v,w)),double_divide(double_divide(u,identity),w)),
    inference(spr,[status(thm),theory(equality)],[80,399]),
    [iquote('0:SpR:80.0,399.0')] ).

cnf(667,plain,
    equal(multiply(multiply(u,v),double_divide(v,w)),double_divide(inverse(u),w)),
    inference(rew,[status(thm),theory(equality)],[3,659]),
    [iquote('0:Rew:3.0,659.0')] ).

cnf(668,plain,
    equal(multiply(multiply(u,v),double_divide(v,w)),multiply(u,inverse(w))),
    inference(rew,[status(thm),theory(equality)],[356,667]),
    [iquote('0:Rew:356.0,667.0')] ).

cnf(1636,plain,
    equal(multiply(u,inverse(double_divide(v,w))),multiply(multiply(u,w),v)),
    inference(spr,[status(thm),theory(equality)],[236,668]),
    [iquote('0:SpR:236.0,668.0')] ).

cnf(1666,plain,
    equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w))),
    inference(rew,[status(thm),theory(equality)],[6,1636]),
    [iquote('0:Rew:6.0,1636.0')] ).

cnf(1667,plain,
    $false,
    inference(unc,[status(thm)],[1666,5]),
    [iquote('0:UnC:1666.0,5.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP483-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n016.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.34  % DateTime : Tue Jun 14 11:09:31 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.52  
% 0.19/0.52  SPASS V 3.9 
% 0.19/0.52  SPASS beiseite: Proof found.
% 0.19/0.52  % SZS status Theorem
% 0.19/0.52  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.19/0.52  SPASS derived 864 clauses, backtracked 0 clauses, performed 0 splits and kept 162 clauses.
% 0.19/0.52  SPASS allocated 64812 KBytes.
% 0.19/0.52  SPASS spent	0:00:00.17 on the problem.
% 0.19/0.52  		0:00:00.03 for the input.
% 0.19/0.52  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.52  		0:00:00.01 for inferences.
% 0.19/0.52  		0:00:00.00 for the backtracking.
% 0.19/0.52  		0:00:00.10 for the reduction.
% 0.19/0.52  
% 0.19/0.52  
% 0.19/0.52  Here is a proof with depth 6, length 54 :
% 0.19/0.52  % SZS output start Refutation
% See solution above
% 0.19/0.52  Formulae used in the proof : single_axiom multiply inverse identity prove_these_axioms_3
% 0.19/0.52  
%------------------------------------------------------------------------------