TSTP Solution File: GRP093-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP093-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n021.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 11:45:16 EDT 2022

% Result   : Unsatisfiable 0.22s 0.50s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   56 (  48 unt;   0 nHn;  56 RR)
%            Number of literals    :   72 (   0 equ;  25 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   16 (  16 usr;  13 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(divide(divide(identity,divide(divide(divide(u,v),w),u)),w),v),
    file('GRP093-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(divide(u,divide(identity,v)),multiply(u,v)),
    file('GRP093-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(divide(identity,u),inverse(u)),
    file('GRP093-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(divide(u,u),identity),
    file('GRP093-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(inverse(b1),b1),multiply(inverse(a1),a1))
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3)))
    | ~ equal(multiply(multiply(inverse(b2),b2),a2),a2) ),
    file('GRP093-1.p',unknown),
    [] ).

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

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

cnf(9,plain,
    equal(inverse(identity),identity),
    inference(spr,[status(thm),theory(equality)],[3,4]),
    [iquote('0:SpR:3.0,4.0')] ).

cnf(12,plain,
    equal(multiply(inverse(u),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)],[6,3]),
    [iquote('0:SpR:6.0,3.0')] ).

cnf(15,plain,
    equal(divide(u,identity),multiply(u,identity)),
    inference(spr,[status(thm),theory(equality)],[9,6]),
    [iquote('0:SpR:9.0,6.0')] ).

cnf(16,plain,
    ( ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(inverse(b1),b1),multiply(inverse(a1),a1))
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3)))
    | ~ equal(multiply(identity,a2),a2) ),
    inference(rew,[status(thm),theory(equality)],[12,5]),
    [iquote('0:Rew:12.0,5.3')] ).

cnf(17,plain,
    ( ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(identity,identity)
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3)))
    | ~ equal(inverse(inverse(a2)),a2) ),
    inference(rew,[status(thm),theory(equality)],[13,16,12]),
    [iquote('0:Rew:13.0,16.3,12.0,16.1,12.0,16.1')] ).

cnf(18,plain,
    ( ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3)))
    | ~ equal(inverse(inverse(a2)),a2) ),
    inference(obv,[status(thm),theory(equality)],[17]),
    [iquote('0:Obv:17.1')] ).

cnf(19,plain,
    equal(multiply(inverse(divide(divide(divide(u,v),inverse(w)),u)),w),v),
    inference(spr,[status(thm),theory(equality)],[7,6]),
    [iquote('0:SpR:7.0,6.0')] ).

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

cnf(25,plain,
    equal(divide(inverse(divide(identity,u)),divide(u,v)),v),
    inference(spr,[status(thm),theory(equality)],[4,7]),
    [iquote('0:SpR:4.0,7.0')] ).

cnf(28,plain,
    equal(divide(inverse(divide(inverse(u),v)),u),v),
    inference(rew,[status(thm),theory(equality)],[3,22]),
    [iquote('0:Rew:3.0,22.0')] ).

cnf(29,plain,
    equal(divide(inverse(inverse(u)),divide(u,v)),v),
    inference(rew,[status(thm),theory(equality)],[3,25]),
    [iquote('0:Rew:3.0,25.0')] ).

cnf(31,plain,
    equal(multiply(inverse(divide(multiply(divide(u,v),w),u)),w),v),
    inference(rew,[status(thm),theory(equality)],[6,19]),
    [iquote('0:Rew:6.0,19.0')] ).

cnf(57,plain,
    equal(divide(inverse(divide(identity,u)),identity),u),
    inference(spr,[status(thm),theory(equality)],[9,28]),
    [iquote('0:SpR:9.0,28.0')] ).

cnf(63,plain,
    equal(multiply(inverse(inverse(u)),identity),u),
    inference(rew,[status(thm),theory(equality)],[15,57,3]),
    [iquote('0:Rew:15.0,57.0,3.0,57.0')] ).

cnf(71,plain,
    equal(divide(inverse(u),inverse(v)),divide(v,u)),
    inference(spr,[status(thm),theory(equality)],[29,28]),
    [iquote('0:SpR:29.0,28.0')] ).

cnf(74,plain,
    equal(divide(inverse(inverse(identity)),inverse(u)),u),
    inference(spr,[status(thm),theory(equality)],[3,29]),
    [iquote('0:SpR:3.0,29.0')] ).

cnf(76,plain,
    equal(divide(inverse(inverse(u)),multiply(u,v)),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[6,29]),
    [iquote('0:SpR:6.0,29.0')] ).

cnf(81,plain,
    equal(inverse(inverse(u)),u),
    inference(rew,[status(thm),theory(equality)],[13,74,6,9]),
    [iquote('0:Rew:13.0,74.0,6.0,74.0,9.0,74.0,9.0,74.0')] ).

cnf(82,plain,
    ( ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3)))
    | ~ equal(a2,a2) ),
    inference(rew,[status(thm),theory(equality)],[81,18]),
    [iquote('0:Rew:81.0,18.2')] ).

cnf(84,plain,
    equal(multiply(u,identity),u),
    inference(rew,[status(thm),theory(equality)],[81,63]),
    [iquote('0:Rew:81.0,63.0')] ).

cnf(85,plain,
    equal(divide(u,divide(u,v)),v),
    inference(rew,[status(thm),theory(equality)],[81,29]),
    [iquote('0:Rew:81.0,29.0')] ).

cnf(90,plain,
    equal(multiply(inverse(u),v),divide(v,u)),
    inference(rew,[status(thm),theory(equality)],[6,71]),
    [iquote('0:Rew:6.0,71.0')] ).

cnf(93,plain,
    equal(divide(u,divide(multiply(divide(v,w),u),v)),w),
    inference(rew,[status(thm),theory(equality)],[90,31]),
    [iquote('0:Rew:90.0,31.0')] ).

cnf(97,plain,
    equal(divide(u,multiply(u,v)),inverse(v)),
    inference(rew,[status(thm),theory(equality)],[81,76]),
    [iquote('0:Rew:81.0,76.0')] ).

cnf(102,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)],[82]),
    [iquote('0:Obv:82.2')] ).

cnf(146,plain,
    equal(divide(u,inverse(v)),multiply(v,u)),
    inference(spr,[status(thm),theory(equality)],[81,90]),
    [iquote('0:SpR:81.0,90.0')] ).

cnf(148,plain,
    equal(multiply(u,v),multiply(v,u)),
    inference(rew,[status(thm),theory(equality)],[6,146]),
    [iquote('0:Rew:6.0,146.0')] ).

cnf(149,plain,
    ( ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(c3,multiply(a3,b3)),multiply(a3,multiply(b3,c3))) ),
    inference(rew,[status(thm),theory(equality)],[148,102]),
    [iquote('0:Rew:148.0,102.1')] ).

cnf(151,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)],[148,149]),
    [iquote('0:Rew:148.0,149.0')] ).

cnf(152,plain,
    ~ equal(multiply(c3,multiply(a3,b3)),multiply(a3,multiply(b3,c3))),
    inference(obv,[status(thm),theory(equality)],[151]),
    [iquote('0:Obv:151.0')] ).

cnf(166,plain,
    equal(divide(u,multiply(v,u)),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[148,97]),
    [iquote('0:SpR:148.0,97.0')] ).

cnf(198,plain,
    equal(divide(multiply(divide(u,v),w),u),divide(w,v)),
    inference(spr,[status(thm),theory(equality)],[93,85]),
    [iquote('0:SpR:93.0,85.0')] ).

cnf(209,plain,
    equal(divide(identity,divide(divide(u,v),u)),v),
    inference(spr,[status(thm),theory(equality)],[84,93]),
    [iquote('0:SpR:84.0,93.0')] ).

cnf(215,plain,
    equal(inverse(divide(divide(u,v),u)),v),
    inference(rew,[status(thm),theory(equality)],[3,209]),
    [iquote('0:Rew:3.0,209.0')] ).

cnf(228,plain,
    equal(divide(divide(u,v),u),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[215,81]),
    [iquote('0:SpR:215.0,81.0')] ).

cnf(259,plain,
    equal(divide(divide(u,v),inverse(v)),u),
    inference(spr,[status(thm),theory(equality)],[228,85]),
    [iquote('0:SpR:228.0,85.0')] ).

cnf(266,plain,
    equal(divide(inverse(u),v),inverse(multiply(v,u))),
    inference(spr,[status(thm),theory(equality)],[97,228]),
    [iquote('0:SpR:97.0,228.0')] ).

cnf(267,plain,
    equal(divide(inverse(u),v),inverse(multiply(u,v))),
    inference(spr,[status(thm),theory(equality)],[166,228]),
    [iquote('0:SpR:166.0,228.0')] ).

cnf(269,plain,
    equal(multiply(u,divide(v,u)),v),
    inference(rew,[status(thm),theory(equality)],[148,259,6]),
    [iquote('0:Rew:148.0,259.0,6.0,259.0')] ).

cnf(282,plain,
    equal(inverse(multiply(u,v)),inverse(multiply(v,u))),
    inference(rew,[status(thm),theory(equality)],[266,267]),
    [iquote('0:Rew:266.0,267.0')] ).

cnf(456,plain,
    equal(divide(u,inverse(multiply(v,w))),multiply(u,multiply(w,v))),
    inference(spr,[status(thm),theory(equality)],[282,6]),
    [iquote('0:SpR:282.0,6.0')] ).

cnf(490,plain,
    equal(multiply(u,multiply(v,w)),multiply(u,multiply(w,v))),
    inference(rew,[status(thm),theory(equality)],[6,456]),
    [iquote('0:Rew:6.0,456.0')] ).

cnf(497,plain,
    equal(multiply(divide(u,v),w),multiply(u,divide(w,v))),
    inference(spr,[status(thm),theory(equality)],[198,269]),
    [iquote('0:SpR:198.0,269.0')] ).

cnf(727,plain,
    equal(multiply(u,multiply(v,w)),multiply(multiply(w,v),u)),
    inference(spr,[status(thm),theory(equality)],[490,148]),
    [iquote('0:SpR:490.0,148.0')] ).

cnf(859,plain,
    equal(multiply(u,divide(v,inverse(w))),multiply(multiply(u,w),v)),
    inference(spr,[status(thm),theory(equality)],[6,497]),
    [iquote('0:SpR:6.0,497.0')] ).

cnf(876,plain,
    equal(multiply(multiply(u,v),w),multiply(u,multiply(w,v))),
    inference(rew,[status(thm),theory(equality)],[6,859]),
    [iquote('0:Rew:6.0,859.0')] ).

cnf(882,plain,
    equal(multiply(u,multiply(v,w)),multiply(w,multiply(u,v))),
    inference(rew,[status(thm),theory(equality)],[876,727]),
    [iquote('0:Rew:876.0,727.0')] ).

cnf(892,plain,
    $false,
    inference(unc,[status(thm)],[882,152]),
    [iquote('0:UnC:882.0,152.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : GRP093-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.03/0.14  % Command  : run_spass %d %s
% 0.15/0.36  % Computer : n021.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 600
% 0.15/0.36  % DateTime : Tue Jun 14 07:39:42 EDT 2022
% 0.15/0.36  % CPUTime  : 
% 0.22/0.50  
% 0.22/0.50  SPASS V 3.9 
% 0.22/0.50  SPASS beiseite: Proof found.
% 0.22/0.50  % SZS status Theorem
% 0.22/0.50  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.22/0.50  SPASS derived 553 clauses, backtracked 0 clauses, performed 0 splits and kept 135 clauses.
% 0.22/0.50  SPASS allocated 63868 KBytes.
% 0.22/0.50  SPASS spent	0:00:00.12 on the problem.
% 0.22/0.50  		0:00:00.04 for the input.
% 0.22/0.50  		0:00:00.00 for the FLOTTER CNF translation.
% 0.22/0.50  		0:00:00.01 for inferences.
% 0.22/0.50  		0:00:00.00 for the backtracking.
% 0.22/0.50  		0:00:00.06 for the reduction.
% 0.22/0.50  
% 0.22/0.50  
% 0.22/0.50  Here is a proof with depth 7, length 56 :
% 0.22/0.50  % SZS output start Refutation
% See solution above
% 0.22/0.50  Formulae used in the proof : single_axiom multiply inverse identity prove_these_axioms
% 0.22/0.50  
%------------------------------------------------------------------------------