TSTP Solution File: GRP101-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP101-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n013.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 11:45:18 EDT 2022

% Result   : Unsatisfiable 0.19s 0.49s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   29
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   82 (  74 unt;   0 nHn;  82 RR)
%            Number of literals    :  100 (   0 equ;  27 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;  11 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(double_divide(double_divide(u,double_divide(double_divide(v,double_divide(w,u)),double_divide(w,identity))),double_divide(identity,identity)),v),
    file('GRP101-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(double_divide(double_divide(u,v),identity),multiply(v,u)),
    file('GRP101-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(double_divide(u,identity),inverse(u)),
    file('GRP101-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(double_divide(u,inverse(u)),identity),
    file('GRP101-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ equal(multiply(identity,a2),a2)
    | ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(inverse(a1),a1),identity)
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))) ),
    file('GRP101-1.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(u,double_divide(double_divide(v,double_divide(w,u)),inverse(w))),inverse(identity)),v),
    inference(rew,[status(thm),theory(equality)],[3,1]),
    [iquote('0:Rew:3.0,1.0,3.0,1.0')] ).

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(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(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(multiply(identity,a2),a2)
    | ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(inverse(identity),identity)
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))) ),
    inference(rew,[status(thm),theory(equality)],[12,5]),
    [iquote('0:Rew:12.0,5.2')] ).

cnf(15,plain,
    ( ~ equal(inverse(inverse(a2)),a2)
    | ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(inverse(identity),identity)
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))) ),
    inference(rew,[status(thm),theory(equality)],[13,14]),
    [iquote('0:Rew:13.0,14.0')] ).

cnf(22,plain,
    equal(double_divide(double_divide(inverse(u),double_divide(double_divide(v,identity),inverse(u))),inverse(identity)),v),
    inference(spr,[status(thm),theory(equality)],[4,7]),
    [iquote('0:SpR:4.0,7.0')] ).

cnf(24,plain,
    equal(double_divide(double_divide(inverse(u),double_divide(inverse(v),inverse(u))),inverse(identity)),v),
    inference(rew,[status(thm),theory(equality)],[3,22]),
    [iquote('0:Rew:3.0,22.0')] ).

cnf(67,plain,
    equal(double_divide(double_divide(inverse(inverse(u)),identity),inverse(identity)),u),
    inference(spr,[status(thm),theory(equality)],[4,24]),
    [iquote('0:SpR:4.0,24.0')] ).

cnf(69,plain,
    equal(double_divide(inverse(inverse(inverse(u))),inverse(identity)),u),
    inference(rew,[status(thm),theory(equality)],[3,67]),
    [iquote('0:Rew:3.0,67.0')] ).

cnf(75,plain,
    equal(double_divide(double_divide(inverse(identity),double_divide(double_divide(u,v),inverse(inverse(inverse(inverse(v)))))),inverse(identity)),u),
    inference(spr,[status(thm),theory(equality)],[69,7]),
    [iquote('0:SpR:69.0,7.0')] ).

cnf(77,plain,
    equal(double_divide(double_divide(inverse(identity),u),inverse(identity)),inverse(inverse(u))),
    inference(spr,[status(thm),theory(equality)],[69,24]),
    [iquote('0:SpR:69.0,24.0')] ).

cnf(79,plain,
    equal(double_divide(inverse(inverse(multiply(u,v))),inverse(identity)),double_divide(v,u)),
    inference(spr,[status(thm),theory(equality)],[6,69]),
    [iquote('0:SpR:6.0,69.0')] ).

cnf(85,plain,
    equal(inverse(inverse(double_divide(double_divide(u,v),inverse(inverse(inverse(inverse(v))))))),u),
    inference(rew,[status(thm),theory(equality)],[77,75]),
    [iquote('0:Rew:77.0,75.0')] ).

cnf(86,plain,
    equal(inverse(multiply(inverse(inverse(inverse(inverse(u)))),double_divide(v,u))),v),
    inference(rew,[status(thm),theory(equality)],[6,85]),
    [iquote('0:Rew:6.0,85.0')] ).

cnf(100,plain,
    equal(inverse(inverse(double_divide(inverse(u),inverse(identity)))),u),
    inference(spr,[status(thm),theory(equality)],[77,24]),
    [iquote('0:SpR:77.0,24.0')] ).

cnf(102,plain,
    equal(inverse(inverse(inverse(inverse(identity)))),double_divide(identity,inverse(identity))),
    inference(spr,[status(thm),theory(equality)],[4,77]),
    [iquote('0:SpR:4.0,77.0')] ).

cnf(104,plain,
    equal(inverse(multiply(inverse(identity),inverse(u))),u),
    inference(rew,[status(thm),theory(equality)],[6,100]),
    [iquote('0:Rew:6.0,100.0')] ).

cnf(105,plain,
    equal(inverse(inverse(inverse(inverse(identity)))),identity),
    inference(rew,[status(thm),theory(equality)],[4,102]),
    [iquote('0:Rew:4.0,102.0')] ).

cnf(116,plain,
    equal(double_divide(double_divide(u,double_divide(double_divide(v,double_divide(inverse(inverse(inverse(identity))),u)),identity)),inverse(identity)),v),
    inference(spr,[status(thm),theory(equality)],[105,7]),
    [iquote('0:SpR:105.0,7.0')] ).

cnf(119,plain,
    equal(double_divide(identity,inverse(identity)),inverse(identity)),
    inference(spr,[status(thm),theory(equality)],[105,69]),
    [iquote('0:SpR:105.0,69.0')] ).

cnf(123,plain,
    equal(inverse(identity),identity),
    inference(rew,[status(thm),theory(equality)],[4,119]),
    [iquote('0:Rew:4.0,119.0')] ).

cnf(124,plain,
    equal(multiply(inverse(u),u),identity),
    inference(rew,[status(thm),theory(equality)],[123,12]),
    [iquote('0:Rew:123.0,12.0')] ).

cnf(125,plain,
    equal(double_divide(double_divide(u,double_divide(double_divide(v,double_divide(w,u)),inverse(w))),identity),v),
    inference(rew,[status(thm),theory(equality)],[123,7]),
    [iquote('0:Rew:123.0,7.0')] ).

cnf(128,plain,
    ( ~ equal(inverse(inverse(a2)),a2)
    | ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(identity,identity)
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))) ),
    inference(rew,[status(thm),theory(equality)],[123,15]),
    [iquote('0:Rew:123.0,15.2')] ).

cnf(131,plain,
    equal(double_divide(double_divide(identity,u),identity),inverse(inverse(u))),
    inference(rew,[status(thm),theory(equality)],[123,77]),
    [iquote('0:Rew:123.0,77.0')] ).

cnf(139,plain,
    equal(double_divide(inverse(inverse(multiply(u,v))),identity),double_divide(v,u)),
    inference(rew,[status(thm),theory(equality)],[123,79]),
    [iquote('0:Rew:123.0,79.0')] ).

cnf(141,plain,
    equal(inverse(multiply(identity,inverse(u))),u),
    inference(rew,[status(thm),theory(equality)],[123,104]),
    [iquote('0:Rew:123.0,104.0')] ).

cnf(148,plain,
    equal(inverse(inverse(inverse(inverse(u)))),u),
    inference(rew,[status(thm),theory(equality)],[13,141]),
    [iquote('0:Rew:13.0,141.0')] ).

cnf(149,plain,
    equal(inverse(multiply(u,double_divide(v,u))),v),
    inference(rew,[status(thm),theory(equality)],[148,86]),
    [iquote('0:Rew:148.0,86.0')] ).

cnf(164,plain,
    equal(multiply(u,identity),inverse(inverse(u))),
    inference(rew,[status(thm),theory(equality)],[6,131,3]),
    [iquote('0:Rew:6.0,131.0,3.0,131.0')] ).

cnf(176,plain,
    equal(inverse(inverse(inverse(multiply(u,v)))),double_divide(v,u)),
    inference(rew,[status(thm),theory(equality)],[3,139]),
    [iquote('0:Rew:3.0,139.0')] ).

cnf(187,plain,
    equal(multiply(double_divide(double_divide(u,double_divide(v,w)),inverse(v)),w),u),
    inference(rew,[status(thm),theory(equality)],[6,125,3]),
    [iquote('0:Rew:6.0,125.0,3.0,125.0')] ).

cnf(195,plain,
    equal(double_divide(double_divide(u,multiply(double_divide(inverse(inverse(inverse(identity))),u),v)),inverse(identity)),v),
    inference(rew,[status(thm),theory(equality)],[6,116,3]),
    [iquote('0:Rew:6.0,116.0,3.0,116.0')] ).

cnf(196,plain,
    equal(double_divide(double_divide(u,multiply(double_divide(identity,u),v)),identity),v),
    inference(rew,[status(thm),theory(equality)],[123,195]),
    [iquote('0:Rew:123.0,195.0,123.0,195.0,123.0,195.0')] ).

cnf(197,plain,
    equal(multiply(multiply(double_divide(identity,u),v),u),v),
    inference(rew,[status(thm),theory(equality)],[6,196,3]),
    [iquote('0:Rew:6.0,196.0,3.0,196.0')] ).

cnf(199,plain,
    ( ~ equal(inverse(inverse(a2)),a2)
    | ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))) ),
    inference(obv,[status(thm),theory(equality)],[128]),
    [iquote('0:Obv:128.2')] ).

cnf(221,plain,
    equal(double_divide(inverse(inverse(inverse(u))),u),identity),
    inference(spr,[status(thm),theory(equality)],[148,4]),
    [iquote('0:SpR:148.0,4.0')] ).

cnf(223,plain,
    equal(multiply(u,inverse(inverse(inverse(u)))),identity),
    inference(spr,[status(thm),theory(equality)],[148,124]),
    [iquote('0:SpR:148.0,124.0')] ).

cnf(231,plain,
    equal(double_divide(double_divide(identity,u),inverse(inverse(u))),identity),
    inference(spr,[status(thm),theory(equality)],[164,10]),
    [iquote('0:SpR:164.0,10.0')] ).

cnf(261,plain,
    equal(multiply(double_divide(identity,inverse(u)),v),inverse(inverse(inverse(double_divide(u,v))))),
    inference(spr,[status(thm),theory(equality)],[221,187]),
    [iquote('0:SpR:221.0,187.0')] ).

cnf(273,plain,
    equal(multiply(double_divide(identity,inverse(u)),v),inverse(inverse(multiply(v,u)))),
    inference(rew,[status(thm),theory(equality)],[6,261]),
    [iquote('0:Rew:6.0,261.0')] ).

cnf(323,plain,
    equal(multiply(u,double_divide(v,u)),inverse(inverse(inverse(v)))),
    inference(spr,[status(thm),theory(equality)],[149,148]),
    [iquote('0:SpR:149.0,148.0')] ).

cnf(376,plain,
    equal(double_divide(double_divide(identity,inverse(inverse(u))),u),identity),
    inference(spr,[status(thm),theory(equality)],[148,231]),
    [iquote('0:SpR:148.0,231.0')] ).

cnf(391,plain,
    equal(multiply(u,double_divide(identity,inverse(inverse(u)))),inverse(identity)),
    inference(spr,[status(thm),theory(equality)],[376,6]),
    [iquote('0:SpR:376.0,6.0')] ).

cnf(405,plain,
    equal(multiply(u,double_divide(identity,inverse(inverse(u)))),identity),
    inference(rew,[status(thm),theory(equality)],[123,391]),
    [iquote('0:Rew:123.0,391.0')] ).

cnf(493,plain,
    equal(inverse(inverse(inverse(double_divide(identity,u)))),multiply(identity,u)),
    inference(spr,[status(thm),theory(equality)],[223,197]),
    [iquote('0:SpR:223.0,197.0')] ).

cnf(494,plain,
    equal(double_divide(identity,inverse(inverse(double_divide(identity,u)))),multiply(identity,u)),
    inference(spr,[status(thm),theory(equality)],[405,197]),
    [iquote('0:SpR:405.0,197.0')] ).

cnf(500,plain,
    equal(inverse(inverse(u)),u),
    inference(rew,[status(thm),theory(equality)],[148,493,164,6,13]),
    [iquote('0:Rew:148.0,493.0,164.0,493.0,6.0,493.0,13.0,493.0')] ).

cnf(501,plain,
    ( ~ equal(a2,a2)
    | ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))) ),
    inference(rew,[status(thm),theory(equality)],[500,199]),
    [iquote('0:Rew:500.0,199.0')] ).

cnf(506,plain,
    equal(multiply(identity,u),u),
    inference(rew,[status(thm),theory(equality)],[500,13]),
    [iquote('0:Rew:500.0,13.0')] ).

cnf(507,plain,
    equal(multiply(u,identity),u),
    inference(rew,[status(thm),theory(equality)],[500,164]),
    [iquote('0:Rew:500.0,164.0')] ).

cnf(513,plain,
    equal(multiply(u,double_divide(v,u)),inverse(v)),
    inference(rew,[status(thm),theory(equality)],[500,323]),
    [iquote('0:Rew:500.0,323.0')] ).

cnf(516,plain,
    equal(multiply(double_divide(identity,inverse(u)),v),multiply(v,u)),
    inference(rew,[status(thm),theory(equality)],[500,273]),
    [iquote('0:Rew:500.0,273.0')] ).

cnf(518,plain,
    equal(inverse(multiply(u,v)),double_divide(v,u)),
    inference(rew,[status(thm),theory(equality)],[500,176]),
    [iquote('0:Rew:500.0,176.0')] ).

cnf(529,plain,
    equal(double_divide(identity,inverse(multiply(u,identity))),multiply(identity,u)),
    inference(rew,[status(thm),theory(equality)],[6,494]),
    [iquote('0:Rew:6.0,494.0')] ).

cnf(530,plain,
    equal(double_divide(identity,inverse(u)),u),
    inference(rew,[status(thm),theory(equality)],[507,529,506]),
    [iquote('0:Rew:507.0,529.0,506.0,529.0')] ).

cnf(531,plain,
    equal(multiply(u,v),multiply(v,u)),
    inference(rew,[status(thm),theory(equality)],[530,516]),
    [iquote('0:Rew:530.0,516.0')] ).

cnf(533,plain,
    equal(multiply(u,double_divide(double_divide(v,double_divide(w,u)),inverse(w))),v),
    inference(rew,[status(thm),theory(equality)],[531,187]),
    [iquote('0:Rew:531.0,187.0')] ).

cnf(534,plain,
    equal(multiply(u,multiply(double_divide(identity,u),v)),v),
    inference(rew,[status(thm),theory(equality)],[531,197]),
    [iquote('0:Rew:531.0,197.0')] ).

cnf(547,plain,
    ( ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))) ),
    inference(obv,[status(thm),theory(equality)],[501]),
    [iquote('0:Obv:501.0')] ).

cnf(548,plain,
    ( ~ equal(multiply(a4,b4),multiply(a4,b4))
    | ~ equal(multiply(c3,multiply(a3,b3)),multiply(a3,multiply(b3,c3))) ),
    inference(rew,[status(thm),theory(equality)],[531,547]),
    [iquote('0:Rew:531.0,547.1,531.0,547.0')] ).

cnf(549,plain,
    ~ equal(multiply(c3,multiply(a3,b3)),multiply(a3,multiply(b3,c3))),
    inference(obv,[status(thm),theory(equality)],[548]),
    [iquote('0:Obv:548.0')] ).

cnf(587,plain,
    equal(double_divide(identity,u),inverse(u)),
    inference(spr,[status(thm),theory(equality)],[500,530]),
    [iquote('0:SpR:500.0,530.0')] ).

cnf(597,plain,
    equal(multiply(u,multiply(inverse(u),v)),v),
    inference(rew,[status(thm),theory(equality)],[587,534]),
    [iquote('0:Rew:587.0,534.0')] ).

cnf(673,plain,
    equal(inverse(multiply(u,v)),double_divide(u,v)),
    inference(spr,[status(thm),theory(equality)],[531,518]),
    [iquote('0:SpR:531.0,518.0')] ).

cnf(682,plain,
    equal(double_divide(u,v),double_divide(v,u)),
    inference(rew,[status(thm),theory(equality)],[518,673]),
    [iquote('0:Rew:518.0,673.0')] ).

cnf(684,plain,
    equal(multiply(u,double_divide(inverse(v),double_divide(w,double_divide(v,u)))),w),
    inference(rew,[status(thm),theory(equality)],[682,533]),
    [iquote('0:Rew:682.0,533.0')] ).

cnf(749,plain,
    equal(multiply(u,double_divide(u,v)),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[682,513]),
    [iquote('0:SpR:682.0,513.0')] ).

cnf(821,plain,
    equal(multiply(u,multiply(v,inverse(u))),v),
    inference(spr,[status(thm),theory(equality)],[531,597]),
    [iquote('0:SpR:531.0,597.0')] ).

cnf(913,plain,
    equal(double_divide(inverse(u),v),multiply(u,inverse(v))),
    inference(spr,[status(thm),theory(equality)],[749,597]),
    [iquote('0:SpR:749.0,597.0')] ).

cnf(927,plain,
    equal(multiply(u,multiply(v,inverse(double_divide(w,double_divide(v,u))))),w),
    inference(rew,[status(thm),theory(equality)],[913,684]),
    [iquote('0:Rew:913.0,684.0')] ).

cnf(940,plain,
    equal(multiply(u,multiply(v,multiply(double_divide(v,u),w))),w),
    inference(rew,[status(thm),theory(equality)],[6,927]),
    [iquote('0:Rew:6.0,927.0')] ).

cnf(1075,plain,
    equal(multiply(u,inverse(double_divide(v,w))),multiply(w,multiply(v,u))),
    inference(spr,[status(thm),theory(equality)],[821,940]),
    [iquote('0:SpR:821.0,940.0')] ).

cnf(1109,plain,
    equal(multiply(u,multiply(v,w)),multiply(v,multiply(w,u))),
    inference(rew,[status(thm),theory(equality)],[6,1075]),
    [iquote('0:Rew:6.0,1075.0')] ).

cnf(1110,plain,
    $false,
    inference(unc,[status(thm)],[1109,549]),
    [iquote('0:UnC:1109.0,549.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP101-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.00/0.12  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n013.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Mon Jun 13 23:38:43 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.49  
% 0.19/0.49  SPASS V 3.9 
% 0.19/0.49  SPASS beiseite: Proof found.
% 0.19/0.49  % SZS status Theorem
% 0.19/0.49  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.19/0.49  SPASS derived 680 clauses, backtracked 0 clauses, performed 0 splits and kept 183 clauses.
% 0.19/0.49  SPASS allocated 64221 KBytes.
% 0.19/0.49  SPASS spent	0:00:00.15 on the problem.
% 0.19/0.49  		0:00:00.04 for the input.
% 0.19/0.49  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.49  		0:00:00.01 for inferences.
% 0.19/0.49  		0:00:00.00 for the backtracking.
% 0.19/0.49  		0:00:00.08 for the reduction.
% 0.19/0.49  
% 0.19/0.49  
% 0.19/0.49  Here is a proof with depth 9, length 82 :
% 0.19/0.49  % SZS output start Refutation
% See solution above
% 0.19/0.50  Formulae used in the proof : single_axiom multiply inverse identity prove_these_axioms
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