TSTP Solution File: GRP567-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP567-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n020.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 11:48:04 EDT 2022

% Result   : Unsatisfiable 0.19s 0.52s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   31
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   81 (  81 unt;   0 nHn;  81 RR)
%            Number of literals    :   81 (   0 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   7 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(u,w)),double_divide(identity,w))),double_divide(identity,identity)),v),
    file('GRP567-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(double_divide(double_divide(u,v),identity),multiply(v,u)),
    file('GRP567-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(double_divide(u,identity),inverse(u)),
    file('GRP567-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(double_divide(u,inverse(u)),identity),
    file('GRP567-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))),
    file('GRP567-1.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(u,w)),double_divide(identity,w))),inverse(identity)),v),
    inference(rew,[status(thm),theory(equality)],[3,1]),
    [iquote('0:Rew:3.0,1.0')] ).

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

cnf(50,plain,
    equal(double_divide(double_divide(u,double_divide(double_divide(v,double_divide(u,identity)),inverse(identity))),inverse(identity)),v),
    inference(spr,[status(thm),theory(equality)],[3,7]),
    [iquote('0:SpR:3.0,7.0')] ).

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

cnf(54,plain,
    equal(double_divide(double_divide(u,multiply(double_divide(u,inverse(identity)),v)),inverse(identity)),v),
    inference(rew,[status(thm),theory(equality)],[6,49,3]),
    [iquote('0:Rew:6.0,49.0,3.0,49.0')] ).

cnf(55,plain,
    equal(double_divide(double_divide(u,double_divide(double_divide(v,inverse(u)),inverse(identity))),inverse(identity)),v),
    inference(rew,[status(thm),theory(equality)],[3,50]),
    [iquote('0:Rew:3.0,50.0')] ).

cnf(56,plain,
    equal(double_divide(double_divide(u,double_divide(inverse(v),double_divide(identity,inverse(u)))),inverse(identity)),v),
    inference(rew,[status(thm),theory(equality)],[3,51]),
    [iquote('0:Rew:3.0,51.0')] ).

cnf(68,plain,
    equal(double_divide(double_divide(identity,multiply(identity,u)),inverse(identity)),u),
    inference(spr,[status(thm),theory(equality)],[4,54]),
    [iquote('0:SpR:4.0,54.0')] ).

cnf(70,plain,
    equal(double_divide(double_divide(identity,inverse(inverse(u))),inverse(identity)),u),
    inference(rew,[status(thm),theory(equality)],[13,68]),
    [iquote('0:Rew:13.0,68.0')] ).

cnf(74,plain,
    equal(double_divide(double_divide(double_divide(identity,inverse(inverse(u))),multiply(u,v)),inverse(identity)),v),
    inference(spr,[status(thm),theory(equality)],[70,54]),
    [iquote('0:SpR:70.0,54.0')] ).

cnf(75,plain,
    equal(multiply(inverse(identity),double_divide(identity,inverse(inverse(u)))),inverse(u)),
    inference(spr,[status(thm),theory(equality)],[70,6]),
    [iquote('0:SpR:70.0,6.0')] ).

cnf(125,plain,
    equal(double_divide(double_divide(double_divide(u,v),double_divide(double_divide(w,multiply(v,u)),inverse(identity))),inverse(identity)),w),
    inference(spr,[status(thm),theory(equality)],[6,55]),
    [iquote('0:SpR:6.0,55.0')] ).

cnf(126,plain,
    equal(double_divide(double_divide(u,double_divide(identity,inverse(identity))),inverse(identity)),u),
    inference(spr,[status(thm),theory(equality)],[4,55]),
    [iquote('0:SpR:4.0,55.0')] ).

cnf(127,plain,
    equal(double_divide(double_divide(identity,double_divide(u,inverse(identity))),inverse(identity)),double_divide(v,multiply(double_divide(v,inverse(identity)),u))),
    inference(spr,[status(thm),theory(equality)],[54,55]),
    [iquote('0:SpR:54.0,55.0')] ).

cnf(128,plain,
    equal(double_divide(u,double_divide(double_divide(v,double_divide(u,w)),double_divide(identity,w))),double_divide(double_divide(identity,double_divide(v,inverse(identity))),inverse(identity))),
    inference(spr,[status(thm),theory(equality)],[7,55]),
    [iquote('0:SpR:7.0,55.0')] ).

cnf(129,plain,
    equal(double_divide(double_divide(identity,double_divide(u,inverse(identity))),inverse(identity)),double_divide(identity,inverse(inverse(u)))),
    inference(spr,[status(thm),theory(equality)],[70,55]),
    [iquote('0:SpR:70.0,55.0')] ).

cnf(131,plain,
    equal(double_divide(double_divide(inverse(u),u),inverse(identity)),identity),
    inference(spr,[status(thm),theory(equality)],[70,55]),
    [iquote('0:SpR:70.0,55.0')] ).

cnf(133,plain,
    equal(double_divide(inverse(u),inverse(identity)),u),
    inference(rew,[status(thm),theory(equality)],[3,126,4]),
    [iquote('0:Rew:3.0,126.0,4.0,126.0')] ).

cnf(136,plain,
    equal(double_divide(u,multiply(double_divide(u,inverse(identity)),v)),double_divide(identity,inverse(inverse(v)))),
    inference(rew,[status(thm),theory(equality)],[129,127]),
    [iquote('0:Rew:129.0,127.0')] ).

cnf(146,plain,
    equal(double_divide(u,double_divide(double_divide(v,double_divide(u,w)),double_divide(identity,w))),double_divide(identity,inverse(inverse(v)))),
    inference(rew,[status(thm),theory(equality)],[129,128]),
    [iquote('0:Rew:129.0,128.0')] ).

cnf(156,plain,
    equal(double_divide(multiply(u,v),inverse(identity)),double_divide(v,u)),
    inference(spr,[status(thm),theory(equality)],[6,133]),
    [iquote('0:SpR:6.0,133.0')] ).

cnf(173,plain,
    equal(double_divide(inverse(inverse(identity)),inverse(identity)),identity),
    inference(spr,[status(thm),theory(equality)],[3,131]),
    [iquote('0:SpR:3.0,131.0')] ).

cnf(175,plain,
    equal(inverse(identity),identity),
    inference(rew,[status(thm),theory(equality)],[133,173]),
    [iquote('0:Rew:133.0,173.0')] ).

cnf(179,plain,
    equal(multiply(identity,double_divide(identity,inverse(inverse(u)))),inverse(u)),
    inference(rew,[status(thm),theory(equality)],[175,75]),
    [iquote('0:Rew:175.0,75.0')] ).

cnf(182,plain,
    equal(double_divide(inverse(u),identity),u),
    inference(rew,[status(thm),theory(equality)],[175,133]),
    [iquote('0:Rew:175.0,133.0')] ).

cnf(185,plain,
    equal(double_divide(double_divide(u,double_divide(inverse(v),double_divide(identity,inverse(u)))),identity),v),
    inference(rew,[status(thm),theory(equality)],[175,56]),
    [iquote('0:Rew:175.0,56.0')] ).

cnf(187,plain,
    equal(double_divide(u,multiply(double_divide(u,identity),v)),double_divide(identity,inverse(inverse(v)))),
    inference(rew,[status(thm),theory(equality)],[175,136]),
    [iquote('0:Rew:175.0,136.0')] ).

cnf(188,plain,
    equal(double_divide(double_divide(double_divide(identity,inverse(inverse(u))),multiply(u,v)),identity),v),
    inference(rew,[status(thm),theory(equality)],[175,74]),
    [iquote('0:Rew:175.0,74.0')] ).

cnf(192,plain,
    equal(double_divide(double_divide(double_divide(u,v),double_divide(double_divide(w,multiply(v,u)),identity)),identity),w),
    inference(rew,[status(thm),theory(equality)],[175,125]),
    [iquote('0:Rew:175.0,125.0')] ).

cnf(194,plain,
    equal(double_divide(multiply(u,v),identity),double_divide(v,u)),
    inference(rew,[status(thm),theory(equality)],[175,156]),
    [iquote('0:Rew:175.0,156.0')] ).

cnf(196,plain,
    equal(inverse(inverse(u)),u),
    inference(rew,[status(thm),theory(equality)],[3,182]),
    [iquote('0:Rew:3.0,182.0')] ).

cnf(197,plain,
    equal(multiply(identity,u),u),
    inference(rew,[status(thm),theory(equality)],[196,13]),
    [iquote('0:Rew:196.0,13.0')] ).

cnf(198,plain,
    equal(double_divide(u,double_divide(double_divide(v,double_divide(u,w)),double_divide(identity,w))),double_divide(identity,v)),
    inference(rew,[status(thm),theory(equality)],[196,146]),
    [iquote('0:Rew:196.0,146.0')] ).

cnf(202,plain,
    equal(inverse(multiply(u,v)),double_divide(v,u)),
    inference(rew,[status(thm),theory(equality)],[3,194]),
    [iquote('0:Rew:3.0,194.0')] ).

cnf(204,plain,
    equal(double_divide(identity,u),inverse(u)),
    inference(rew,[status(thm),theory(equality)],[197,179,196]),
    [iquote('0:Rew:197.0,179.0,196.0,179.0')] ).

cnf(213,plain,
    equal(multiply(double_divide(inverse(u),double_divide(identity,inverse(v))),v),u),
    inference(rew,[status(thm),theory(equality)],[6,185,3]),
    [iquote('0:Rew:6.0,185.0,3.0,185.0')] ).

cnf(214,plain,
    equal(multiply(double_divide(inverse(u),v),v),u),
    inference(rew,[status(thm),theory(equality)],[196,213,204]),
    [iquote('0:Rew:196.0,213.0,204.0,213.0')] ).

cnf(215,plain,
    equal(double_divide(u,multiply(inverse(u),v)),double_divide(identity,inverse(inverse(v)))),
    inference(rew,[status(thm),theory(equality)],[3,187]),
    [iquote('0:Rew:3.0,187.0')] ).

cnf(216,plain,
    equal(double_divide(u,multiply(inverse(u),v)),inverse(v)),
    inference(rew,[status(thm),theory(equality)],[204,215,196]),
    [iquote('0:Rew:204.0,215.0,196.0,215.0')] ).

cnf(217,plain,
    equal(multiply(multiply(u,v),double_divide(identity,inverse(inverse(u)))),v),
    inference(rew,[status(thm),theory(equality)],[6,188,3]),
    [iquote('0:Rew:6.0,188.0,3.0,188.0')] ).

cnf(218,plain,
    equal(multiply(multiply(u,v),inverse(u)),v),
    inference(rew,[status(thm),theory(equality)],[204,217,196]),
    [iquote('0:Rew:204.0,217.0,196.0,217.0')] ).

cnf(223,plain,
    equal(multiply(multiply(multiply(u,v),w),double_divide(v,u)),w),
    inference(rew,[status(thm),theory(equality)],[6,192,3]),
    [iquote('0:Rew:6.0,192.0,3.0,192.0,6.0,192.0,3.0,192.0')] ).

cnf(224,plain,
    equal(double_divide(u,double_divide(double_divide(v,double_divide(u,w)),inverse(w))),inverse(v)),
    inference(rew,[status(thm),theory(equality)],[204,198]),
    [iquote('0:Rew:204.0,198.0,204.0,198.0')] ).

cnf(263,plain,
    equal(multiply(double_divide(u,v),v),inverse(u)),
    inference(spr,[status(thm),theory(equality)],[196,214]),
    [iquote('0:SpR:196.0,214.0')] ).

cnf(303,plain,
    equal(multiply(u,inverse(multiply(v,u))),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[218]),
    [iquote('0:SpR:218.0,218.0')] ).

cnf(316,plain,
    equal(multiply(u,double_divide(u,v)),inverse(v)),
    inference(rew,[status(thm),theory(equality)],[202,303]),
    [iquote('0:Rew:202.0,303.0')] ).

cnf(349,plain,
    equal(multiply(inverse(u),inverse(double_divide(u,v))),v),
    inference(spr,[status(thm),theory(equality)],[263,218]),
    [iquote('0:SpR:263.0,218.0')] ).

cnf(361,plain,
    equal(multiply(inverse(u),multiply(v,u)),v),
    inference(rew,[status(thm),theory(equality)],[6,349]),
    [iquote('0:Rew:6.0,349.0')] ).

cnf(454,plain,
    equal(multiply(inverse(u),inverse(v)),double_divide(v,u)),
    inference(spr,[status(thm),theory(equality)],[316,218]),
    [iquote('0:SpR:316.0,218.0')] ).

cnf(458,plain,
    equal(inverse(double_divide(inverse(u),v)),double_divide(u,inverse(v))),
    inference(spr,[status(thm),theory(equality)],[316,216]),
    [iquote('0:SpR:316.0,216.0')] ).

cnf(471,plain,
    equal(double_divide(u,inverse(v)),multiply(v,inverse(u))),
    inference(rew,[status(thm),theory(equality)],[6,458]),
    [iquote('0:Rew:6.0,458.0')] ).

cnf(474,plain,
    equal(double_divide(u,multiply(v,inverse(double_divide(w,double_divide(u,v))))),inverse(w)),
    inference(rew,[status(thm),theory(equality)],[471,224]),
    [iquote('0:Rew:471.0,224.0')] ).

cnf(478,plain,
    equal(double_divide(u,multiply(v,multiply(double_divide(u,v),w))),inverse(w)),
    inference(rew,[status(thm),theory(equality)],[6,474]),
    [iquote('0:Rew:6.0,474.0')] ).

cnf(498,plain,
    equal(multiply(u,multiply(v,inverse(u))),v),
    inference(spr,[status(thm),theory(equality)],[196,361]),
    [iquote('0:SpR:196.0,361.0')] ).

cnf(780,plain,
    equal(multiply(double_divide(u,v),inverse(w)),double_divide(w,multiply(v,u))),
    inference(spr,[status(thm),theory(equality)],[202,454]),
    [iquote('0:SpR:202.0,454.0')] ).

cnf(847,plain,
    equal(inverse(multiply(u,inverse(double_divide(v,w)))),double_divide(v,multiply(w,u))),
    inference(spr,[status(thm),theory(equality)],[498,478]),
    [iquote('0:SpR:498.0,478.0')] ).

cnf(851,plain,
    equal(double_divide(u,double_divide(u,v)),inverse(inverse(v))),
    inference(spr,[status(thm),theory(equality)],[498,478]),
    [iquote('0:SpR:498.0,478.0')] ).

cnf(852,plain,
    equal(double_divide(u,double_divide(u,v)),v),
    inference(rew,[status(thm),theory(equality)],[196,851]),
    [iquote('0:Rew:196.0,851.0')] ).

cnf(873,plain,
    equal(double_divide(multiply(u,v),w),double_divide(v,multiply(u,w))),
    inference(rew,[status(thm),theory(equality)],[202,847,6]),
    [iquote('0:Rew:202.0,847.0,6.0,847.0')] ).

cnf(915,plain,
    equal(inverse(double_divide(u,v)),multiply(u,v)),
    inference(spr,[status(thm),theory(equality)],[852,316]),
    [iquote('0:SpR:852.0,316.0')] ).

cnf(942,plain,
    equal(multiply(u,v),multiply(v,u)),
    inference(rew,[status(thm),theory(equality)],[6,915]),
    [iquote('0:Rew:6.0,915.0')] ).

cnf(945,plain,
    equal(multiply(double_divide(u,v),multiply(multiply(v,u),w)),w),
    inference(rew,[status(thm),theory(equality)],[942,223]),
    [iquote('0:Rew:942.0,223.0')] ).

cnf(946,plain,
    ~ equal(multiply(c3,multiply(a3,b3)),multiply(a3,multiply(b3,c3))),
    inference(rew,[status(thm),theory(equality)],[942,5]),
    [iquote('0:Rew:942.0,5.0')] ).

cnf(1263,plain,
    equal(multiply(double_divide(u,v),inverse(w)),double_divide(multiply(v,u),w)),
    inference(spr,[status(thm),theory(equality)],[316,945]),
    [iquote('0:SpR:316.0,945.0')] ).

cnf(1311,plain,
    equal(double_divide(u,multiply(v,w)),double_divide(w,multiply(v,u))),
    inference(rew,[status(thm),theory(equality)],[780,1263,873]),
    [iquote('0:Rew:780.0,1263.0,873.0,1263.0')] ).

cnf(1639,plain,
    equal(inverse(double_divide(u,multiply(v,w))),multiply(w,multiply(v,u))),
    inference(spr,[status(thm),theory(equality)],[873,6]),
    [iquote('0:SpR:873.0,6.0')] ).

cnf(1684,plain,
    equal(multiply(multiply(u,v),w),multiply(v,multiply(u,w))),
    inference(rew,[status(thm),theory(equality)],[6,1639]),
    [iquote('0:Rew:6.0,1639.0')] ).

cnf(1876,plain,
    equal(inverse(double_divide(u,multiply(v,w))),multiply(multiply(v,u),w)),
    inference(spr,[status(thm),theory(equality)],[1311,6]),
    [iquote('0:SpR:1311.0,6.0')] ).

cnf(1938,plain,
    equal(multiply(multiply(u,v),w),multiply(multiply(u,w),v)),
    inference(rew,[status(thm),theory(equality)],[6,1876]),
    [iquote('0:Rew:6.0,1876.0')] ).

cnf(1939,plain,
    equal(multiply(u,multiply(v,w)),multiply(w,multiply(v,u))),
    inference(rew,[status(thm),theory(equality)],[1684,1938]),
    [iquote('0:Rew:1684.0,1938.0,1684.0,1938.0')] ).

cnf(1941,plain,
    ~ equal(multiply(b3,multiply(a3,c3)),multiply(a3,multiply(b3,c3))),
    inference(rew,[status(thm),theory(equality)],[1939,946]),
    [iquote('0:Rew:1939.0,946.0')] ).

cnf(2149,plain,
    equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w))),
    inference(spr,[status(thm),theory(equality)],[942,1684]),
    [iquote('0:SpR:942.0,1684.0')] ).

cnf(2163,plain,
    equal(multiply(u,multiply(v,w)),multiply(v,multiply(u,w))),
    inference(rew,[status(thm),theory(equality)],[1684,2149]),
    [iquote('0:Rew:1684.0,2149.0')] ).

cnf(2164,plain,
    $false,
    inference(unc,[status(thm)],[2163,1941]),
    [iquote('0:UnC:2163.0,1941.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP567-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n020.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 : Mon Jun 13 17:20:35 EDT 2022
% 0.13/0.34  % 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 1137 clauses, backtracked 0 clauses, performed 0 splits and kept 166 clauses.
% 0.19/0.52  SPASS allocated 64735 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 8, length 81 :
% 0.19/0.52  % SZS output start Refutation
% See solution above
% 0.19/0.53  Formulae used in the proof : single_axiom multiply inverse identity prove_these_axioms_3
% 0.19/0.53  
%------------------------------------------------------------------------------