TSTP Solution File: GRP109-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP109-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n014.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 11:45:21 EDT 2022

% Result   : Unsatisfiable 0.41s 0.60s
% Output   : Refutation 0.41s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   33
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   71 (  66 unt;   0 nHn;  71 RR)
%            Number of literals    :   83 (   0 equ;  18 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   17 (  17 usr;  14 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(double_divide(inverse(double_divide(u,inverse(double_divide(inverse(v),double_divide(u,w))))),w),v),
    file('GRP109-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(inverse(double_divide(u,v)),multiply(v,u)),
    file('GRP109-1.p',unknown),
    [] ).

cnf(3,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('GRP109-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(double_divide(multiply(multiply(double_divide(u,v),inverse(w)),u),v),w),
    inference(rew,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Rew:2.0,1.0,2.0,1.0')] ).

cnf(6,plain,
    equal(multiply(u,multiply(multiply(double_divide(v,u),inverse(w)),v)),inverse(w)),
    inference(spr,[status(thm),theory(equality)],[4,2]),
    [iquote('0:SpR:4.0,2.0')] ).

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

cnf(9,plain,
    equal(double_divide(multiply(multiply(double_divide(u,v),multiply(w,x)),u),v),double_divide(x,w)),
    inference(spr,[status(thm),theory(equality)],[2,4]),
    [iquote('0:SpR:2.0,4.0')] ).

cnf(11,plain,
    equal(multiply(u,multiply(multiply(double_divide(v,u),multiply(w,x)),v)),multiply(w,x)),
    inference(spr,[status(thm),theory(equality)],[2,6]),
    [iquote('0:SpR:2.0,6.0')] ).

cnf(20,plain,
    equal(double_divide(u,multiply(double_divide(u,double_divide(v,w)),inverse(x))),double_divide(multiply(inverse(x),v),w)),
    inference(spr,[status(thm),theory(equality)],[6,9]),
    [iquote('0:SpR:6.0,9.0')] ).

cnf(24,plain,
    equal(double_divide(u,multiply(double_divide(u,double_divide(v,w)),multiply(x,y))),double_divide(multiply(multiply(x,y),v),w)),
    inference(spr,[status(thm),theory(equality)],[11,9]),
    [iquote('0:SpR:11.0,9.0')] ).

cnf(44,plain,
    equal(double_divide(inverse(u),multiply(u,inverse(v))),v),
    inference(spr,[status(thm),theory(equality)],[6,7]),
    [iquote('0:SpR:6.0,7.0')] ).

cnf(45,plain,
    equal(multiply(multiply(u,inverse(v)),inverse(u)),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[44,2]),
    [iquote('0:SpR:44.0,2.0')] ).

cnf(55,plain,
    equal(double_divide(inverse(multiply(u,inverse(v))),inverse(v)),u),
    inference(spr,[status(thm),theory(equality)],[45,44]),
    [iquote('0:SpR:45.0,44.0')] ).

cnf(56,plain,
    equal(multiply(inverse(u),inverse(multiply(v,inverse(u)))),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[45]),
    [iquote('0:SpR:45.0,45.0')] ).

cnf(95,plain,
    equal(double_divide(inverse(inverse(u)),inverse(v)),multiply(v,inverse(u))),
    inference(spr,[status(thm),theory(equality)],[45,55]),
    [iquote('0:SpR:45.0,55.0')] ).

cnf(98,plain,
    equal(multiply(inverse(u),inverse(inverse(v))),inverse(multiply(u,inverse(v)))),
    inference(spr,[status(thm),theory(equality)],[56,45]),
    [iquote('0:SpR:56.0,45.0')] ).

cnf(120,plain,
    equal(double_divide(inverse(multiply(u,v)),inverse(w)),multiply(w,multiply(u,v))),
    inference(spr,[status(thm),theory(equality)],[2,95]),
    [iquote('0:SpR:2.0,95.0')] ).

cnf(121,plain,
    equal(multiply(u,multiply(v,inverse(u))),v),
    inference(rew,[status(thm),theory(equality)],[120,55]),
    [iquote('0:Rew:120.0,55.0')] ).

cnf(123,plain,
    equal(multiply(double_divide(inverse(u),u),inverse(v)),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[121,6]),
    [iquote('0:SpR:121.0,6.0')] ).

cnf(126,plain,
    equal(double_divide(inverse(double_divide(u,v)),w),double_divide(multiply(w,u),v)),
    inference(spr,[status(thm),theory(equality)],[121,9]),
    [iquote('0:SpR:121.0,9.0')] ).

cnf(127,plain,
    equal(multiply(u,inverse(double_divide(v,w))),multiply(w,multiply(u,v))),
    inference(spr,[status(thm),theory(equality)],[121,11]),
    [iquote('0:SpR:121.0,11.0')] ).

cnf(134,plain,
    equal(double_divide(multiply(u,v),w),double_divide(multiply(w,v),u)),
    inference(rew,[status(thm),theory(equality)],[2,126]),
    [iquote('0:Rew:2.0,126.0')] ).

cnf(135,plain,
    equal(double_divide(multiply(u,v),multiply(double_divide(v,u),multiply(w,x))),double_divide(x,w)),
    inference(rew,[status(thm),theory(equality)],[134,9]),
    [iquote('0:Rew:134.0,9.0')] ).

cnf(139,plain,
    equal(multiply(u,multiply(v,w)),multiply(v,multiply(u,w))),
    inference(rew,[status(thm),theory(equality)],[2,127]),
    [iquote('0:Rew:2.0,127.0')] ).

cnf(179,plain,
    equal(double_divide(inverse(double_divide(inverse(u),u)),inverse(v)),v),
    inference(spr,[status(thm),theory(equality)],[123,44]),
    [iquote('0:SpR:123.0,44.0')] ).

cnf(181,plain,
    equal(multiply(inverse(u),inverse(inverse(u))),inverse(double_divide(inverse(v),v))),
    inference(spr,[status(thm),theory(equality)],[123,56]),
    [iquote('0:SpR:123.0,56.0')] ).

cnf(182,plain,
    equal(multiply(u,inverse(u)),double_divide(inverse(v),v)),
    inference(spr,[status(thm),theory(equality)],[123,121]),
    [iquote('0:SpR:123.0,121.0')] ).

cnf(188,plain,
    equal(double_divide(multiply(u,inverse(u)),inverse(v)),v),
    inference(rew,[status(thm),theory(equality)],[2,179]),
    [iquote('0:Rew:2.0,179.0')] ).

cnf(190,plain,
    equal(multiply(inverse(u),inverse(inverse(u))),multiply(v,inverse(v))),
    inference(rew,[status(thm),theory(equality)],[2,181]),
    [iquote('0:Rew:2.0,181.0')] ).

cnf(191,plain,
    equal(inverse(multiply(u,inverse(u))),multiply(v,inverse(v))),
    inference(rew,[status(thm),theory(equality)],[98,190]),
    [iquote('0:Rew:98.0,190.0')] ).

cnf(205,plain,
    equal(multiply(u,double_divide(inverse(v),v)),u),
    inference(spr,[status(thm),theory(equality)],[182,121]),
    [iquote('0:SpR:182.0,121.0')] ).

cnf(237,plain,
    equal(multiply(u,multiply(v,inverse(v))),u),
    inference(spr,[status(thm),theory(equality)],[95,205]),
    [iquote('0:SpR:95.0,205.0')] ).

cnf(279,plain,
    equal(double_divide(u,multiply(double_divide(u,v),inverse(w))),double_divide(multiply(inverse(w),multiply(x,inverse(x))),inverse(v))),
    inference(spr,[status(thm),theory(equality)],[188,20]),
    [iquote('0:SpR:188.0,20.0')] ).

cnf(280,plain,
    equal(double_divide(multiply(multiply(u,inverse(v)),multiply(multiply(w,inverse(u)),multiply(x,inverse(x)))),inverse(w)),v),
    inference(spr,[status(thm),theory(equality)],[188,7]),
    [iquote('0:SpR:188.0,7.0')] ).

cnf(292,plain,
    equal(double_divide(u,multiply(double_divide(u,v),inverse(w))),double_divide(inverse(w),inverse(v))),
    inference(rew,[status(thm),theory(equality)],[237,279]),
    [iquote('0:Rew:237.0,279.0')] ).

cnf(293,plain,
    equal(double_divide(inverse(u),inverse(double_divide(v,w))),double_divide(multiply(inverse(u),v),w)),
    inference(rew,[status(thm),theory(equality)],[292,20]),
    [iquote('0:Rew:292.0,20.0')] ).

cnf(299,plain,
    equal(double_divide(multiply(inverse(u),v),w),double_divide(inverse(u),multiply(w,v))),
    inference(rew,[status(thm),theory(equality)],[2,293]),
    [iquote('0:Rew:2.0,293.0')] ).

cnf(322,plain,
    equal(double_divide(multiply(multiply(u,inverse(v)),multiply(w,inverse(u))),inverse(w)),v),
    inference(rew,[status(thm),theory(equality)],[237,280]),
    [iquote('0:Rew:237.0,280.0')] ).

cnf(431,plain,
    equal(inverse(double_divide(inverse(u),multiply(v,w))),multiply(v,multiply(inverse(u),w))),
    inference(spr,[status(thm),theory(equality)],[299,2]),
    [iquote('0:SpR:299.0,2.0')] ).

cnf(438,plain,
    equal(double_divide(multiply(multiply(u,v),w),x),double_divide(multiply(u,v),multiply(x,w))),
    inference(spr,[status(thm),theory(equality)],[2,299]),
    [iquote('0:SpR:2.0,299.0')] ).

cnf(448,plain,
    equal(multiply(multiply(u,v),inverse(w)),multiply(u,multiply(inverse(w),v))),
    inference(rew,[status(thm),theory(equality)],[2,431]),
    [iquote('0:Rew:2.0,431.0')] ).

cnf(449,plain,
    equal(multiply(u,multiply(inverse(u),inverse(v))),inverse(v)),
    inference(rew,[status(thm),theory(equality)],[448,45]),
    [iquote('0:Rew:448.0,45.0')] ).

cnf(473,plain,
    equal(double_divide(multiply(u,inverse(v)),multiply(inverse(w),multiply(w,inverse(u)))),v),
    inference(rew,[status(thm),theory(equality)],[438,322]),
    [iquote('0:Rew:438.0,322.0')] ).

cnf(489,plain,
    equal(double_divide(u,multiply(double_divide(u,double_divide(v,w)),multiply(x,y))),double_divide(multiply(x,y),multiply(w,v))),
    inference(rew,[status(thm),theory(equality)],[438,24]),
    [iquote('0:Rew:438.0,24.0')] ).

cnf(490,plain,
    equal(double_divide(multiply(u,inverse(v)),inverse(u)),v),
    inference(rew,[status(thm),theory(equality)],[449,473,139]),
    [iquote('0:Rew:449.0,473.0,139.0,473.0')] ).

cnf(571,plain,
    equal(multiply(multiply(u,inverse(u)),multiply(v,multiply(w,inverse(w)))),v),
    inference(spr,[status(thm),theory(equality)],[191,121]),
    [iquote('0:SpR:191.0,121.0')] ).

cnf(586,plain,
    equal(double_divide(multiply(u,multiply(v,inverse(v))),inverse(u)),multiply(w,inverse(w))),
    inference(spr,[status(thm),theory(equality)],[191,490]),
    [iquote('0:SpR:191.0,490.0')] ).

cnf(606,plain,
    equal(multiply(u,inverse(multiply(v,inverse(v)))),u),
    inference(spr,[status(thm),theory(equality)],[191,237]),
    [iquote('0:SpR:191.0,237.0')] ).

cnf(635,plain,
    equal(multiply(multiply(u,inverse(u)),v),v),
    inference(rew,[status(thm),theory(equality)],[237,571]),
    [iquote('0:Rew:237.0,571.0')] ).

cnf(655,plain,
    equal(double_divide(u,inverse(u)),multiply(v,inverse(v))),
    inference(rew,[status(thm),theory(equality)],[237,586]),
    [iquote('0:Rew:237.0,586.0')] ).

cnf(892,plain,
    equal(multiply(u,inverse(double_divide(v,inverse(v)))),u),
    inference(spr,[status(thm),theory(equality)],[655,606]),
    [iquote('0:SpR:655.0,606.0')] ).

cnf(893,plain,
    equal(double_divide(u,inverse(u)),double_divide(v,inverse(v))),
    inference(spr,[status(thm),theory(equality)],[655]),
    [iquote('0:SpR:655.0,655.0')] ).

cnf(901,plain,
    equal(multiply(double_divide(u,inverse(u)),v),v),
    inference(spr,[status(thm),theory(equality)],[655,635]),
    [iquote('0:SpR:655.0,635.0')] ).

cnf(914,plain,
    equal(multiply(u,multiply(inverse(v),v)),u),
    inference(rew,[status(thm),theory(equality)],[2,892]),
    [iquote('0:Rew:2.0,892.0')] ).

cnf(1040,plain,
    equal(multiply(inverse(double_divide(u,inverse(u))),v),v),
    inference(spr,[status(thm),theory(equality)],[901,635]),
    [iquote('0:SpR:901.0,635.0')] ).

cnf(1046,plain,
    equal(double_divide(u,multiply(double_divide(u,double_divide(v,inverse(v))),multiply(w,x))),double_divide(x,w)),
    inference(spr,[status(thm),theory(equality)],[901,135]),
    [iquote('0:SpR:901.0,135.0')] ).

cnf(1059,plain,
    equal(multiply(multiply(inverse(u),u),v),v),
    inference(rew,[status(thm),theory(equality)],[2,1040]),
    [iquote('0:Rew:2.0,1040.0')] ).

cnf(1060,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(a2,a2) ),
    inference(rew,[status(thm),theory(equality)],[1059,3]),
    [iquote('0:Rew:1059.0,3.3')] ).

cnf(1076,plain,
    equal(double_divide(multiply(u,v),multiply(inverse(w),w)),double_divide(v,u)),
    inference(rew,[status(thm),theory(equality)],[489,1046]),
    [iquote('0:Rew:489.0,1046.0')] ).

cnf(1080,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))) ),
    inference(obv,[status(thm),theory(equality)],[1060]),
    [iquote('0:Obv:1060.3')] ).

cnf(1084,plain,
    equal(inverse(inverse(u)),u),
    inference(spr,[status(thm),theory(equality)],[914,121]),
    [iquote('0:SpR:914.0,121.0')] ).

cnf(1097,plain,
    equal(multiply(u,inverse(v)),double_divide(v,inverse(u))),
    inference(rew,[status(thm),theory(equality)],[1084,95]),
    [iquote('0:Rew:1084.0,95.0')] ).

cnf(1402,plain,
    equal(double_divide(multiply(u,v),w),double_divide(u,multiply(w,v))),
    inference(spr,[status(thm),theory(equality)],[1084,299]),
    [iquote('0:SpR:1084.0,299.0')] ).

cnf(1424,plain,
    equal(double_divide(u,multiply(multiply(inverse(v),v),w)),double_divide(w,u)),
    inference(rew,[status(thm),theory(equality)],[1402,1076]),
    [iquote('0:Rew:1402.0,1076.0')] ).

cnf(1437,plain,
    equal(double_divide(u,v),double_divide(v,u)),
    inference(rew,[status(thm),theory(equality)],[1059,1424]),
    [iquote('0:Rew:1059.0,1424.0')] ).

cnf(1461,plain,
    equal(inverse(double_divide(u,v)),multiply(u,v)),
    inference(spr,[status(thm),theory(equality)],[1437,2]),
    [iquote('0:SpR:1437.0,2.0')] ).

cnf(1469,plain,
    equal(multiply(u,v),multiply(v,u)),
    inference(rew,[status(thm),theory(equality)],[2,1461]),
    [iquote('0:Rew:2.0,1461.0')] ).

cnf(1470,plain,
    ( ~ equal(multiply(b4,a4),multiply(a4,b4))
    | ~ equal(multiply(inverse(b1),b1),multiply(inverse(a1),a1))
    | ~ equal(multiply(c3,multiply(a3,b3)),multiply(a3,multiply(b3,c3))) ),
    inference(rew,[status(thm),theory(equality)],[1469,1080]),
    [iquote('0:Rew:1469.0,1080.2')] ).

cnf(1502,plain,
    ( ~ equal(multiply(a4,b4),multiply(a4,b4))
    | ~ equal(double_divide(b1,inverse(b1)),double_divide(a1,inverse(a1)))
    | ~ equal(multiply(a3,multiply(b3,c3)),multiply(a3,multiply(b3,c3))) ),
    inference(rew,[status(thm),theory(equality)],[1469,1470,139,1097]),
    [iquote('0:Rew:1469.0,1470.2,139.0,1470.2,1097.0,1470.1,1469.0,1470.1,1097.0,1470.1,1469.0,1470.1,1469.0,1470.0')] ).

cnf(1503,plain,
    ~ equal(double_divide(b1,inverse(b1)),double_divide(a1,inverse(a1))),
    inference(obv,[status(thm),theory(equality)],[1502]),
    [iquote('0:Obv:1502.2')] ).

cnf(1504,plain,
    $false,
    inference(unc,[status(thm)],[1503,893]),
    [iquote('0:UnC:1503.0,893.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : GRP109-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n014.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
% 0.12/0.33  % DateTime : Tue Jun 14 00:43:37 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.41/0.60  
% 0.41/0.60  SPASS V 3.9 
% 0.41/0.60  SPASS beiseite: Proof found.
% 0.41/0.60  % SZS status Theorem
% 0.41/0.60  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.41/0.60  SPASS derived 987 clauses, backtracked 0 clauses, performed 0 splits and kept 406 clauses.
% 0.41/0.60  SPASS allocated 65060 KBytes.
% 0.41/0.60  SPASS spent	0:00:00.26 on the problem.
% 0.41/0.60  		0:00:00.04 for the input.
% 0.41/0.60  		0:00:00.00 for the FLOTTER CNF translation.
% 0.41/0.60  		0:00:00.01 for inferences.
% 0.41/0.60  		0:00:00.00 for the backtracking.
% 0.41/0.60  		0:00:00.20 for the reduction.
% 0.41/0.60  
% 0.41/0.60  
% 0.41/0.60  Here is a proof with depth 12, length 71 :
% 0.41/0.60  % SZS output start Refutation
% See solution above
% 0.41/0.61  Formulae used in the proof : single_axiom multiply prove_these_axioms
% 0.41/0.61  
%------------------------------------------------------------------------------