TSTP Solution File: GRP503-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP503-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n031.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  : 300s
% DateTime : Tue Apr 30 20:20:49 EDT 2024

% Result   : Unsatisfiable 9.92s 1.62s
% Output   : CNFRefutation 10.54s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   57
%            Number of leaves      :    3
% Syntax   : Number of formulae    :  165 ( 165 unt;   0 def)
%            Number of atoms       :  165 ( 164 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :   12 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :  650 ( 650   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B,C,D] : double_divide(double_divide(A,inverse(double_divide(B,C))),double_divide(inverse(B),inverse(double_divide(D,double_divide(A,D))))) = C,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [A,B] : multiply(A,B) = inverse(double_divide(B,A)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f3,negated_conjecture,
    multiply(multiply(inverse(b2),b2),a2) != a2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

fof(f4,plain,
    ! [X0,X1,X2,X3] : double_divide(double_divide(X0,inverse(double_divide(X1,X2))),double_divide(inverse(X1),inverse(double_divide(X3,double_divide(X0,X3))))) = X2,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f5,plain,
    ! [X0,X1] : multiply(X0,X1) = inverse(double_divide(X1,X0)),
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f6,plain,
    multiply(multiply(inverse(b2),b2),a2) != a2,
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f7,plain,
    ! [X0,X1,X2,X3] : double_divide(double_divide(X0,inverse(double_divide(X1,X2))),double_divide(inverse(X1),multiply(double_divide(X0,X3),X3))) = X2,
    inference(backward_demodulation,[status(thm)],[f5,f4]) ).

fof(f8,plain,
    ! [X0,X1,X2,X3] : X0 = double_divide(double_divide(X1,multiply(X0,X2)),double_divide(inverse(X2),multiply(double_divide(X1,X3),X3))),
    inference(paramodulation,[status(thm)],[f5,f7]) ).

fof(f19,plain,
    ! [X0,X1,X2,X3,X4] : X0 = double_divide(double_divide(X1,multiply(X0,double_divide(X2,X3))),double_divide(multiply(X3,X2),multiply(double_divide(X1,X4),X4))),
    inference(paramodulation,[status(thm)],[f5,f8]) ).

fof(f22,plain,
    ! [X0,X1,X2,X3,X4,X5] : X0 = double_divide(double_divide(double_divide(X1,multiply(X2,X3)),inverse(double_divide(X4,X0))),double_divide(inverse(X4),multiply(X2,double_divide(inverse(X3),multiply(double_divide(X1,X5),X5))))),
    inference(paramodulation,[status(thm)],[f8,f7]) ).

fof(f24,plain,
    ! [X0,X1,X2,X3] : multiply(double_divide(inverse(X0),multiply(double_divide(X1,X2),X2)),double_divide(X1,multiply(X3,X0))) = inverse(X3),
    inference(paramodulation,[status(thm)],[f8,f5]) ).

fof(f26,plain,
    ! [X0,X1,X2,X3,X4,X5] : X0 = double_divide(double_divide(double_divide(X1,multiply(X2,X3)),multiply(X0,X4)),double_divide(inverse(X4),multiply(X2,double_divide(inverse(X3),multiply(double_divide(X1,X5),X5))))),
    inference(forward_demodulation,[status(thm)],[f5,f22]) ).

fof(f37,plain,
    ! [X0,X1,X2,X3,X4,X5] : double_divide(inverse(X0),multiply(double_divide(X1,X2),X2)) = double_divide(double_divide(X3,inverse(X4)),double_divide(multiply(multiply(X4,X0),X1),multiply(double_divide(X3,X5),X5))),
    inference(paramodulation,[status(thm)],[f24,f19]) ).

fof(f42,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : X0 = double_divide(double_divide(double_divide(X1,multiply(X2,double_divide(X3,X4))),multiply(X0,double_divide(X5,X6))),double_divide(multiply(X6,X5),multiply(X2,double_divide(multiply(X4,X3),multiply(double_divide(X1,X7),X7))))),
    inference(paramodulation,[status(thm)],[f19,f19]) ).

fof(f45,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : inverse(X0) = multiply(double_divide(inverse(X1),multiply(X2,double_divide(multiply(X3,X4),multiply(double_divide(X5,X6),X6)))),double_divide(double_divide(X5,multiply(X2,double_divide(X4,X3))),multiply(X0,X1))),
    inference(paramodulation,[status(thm)],[f19,f24]) ).

fof(f49,plain,
    ! [X0,X1,X2,X3,X4] : multiply(double_divide(multiply(X0,X1),multiply(double_divide(X2,X3),X3)),double_divide(X2,multiply(X4,double_divide(X1,X0)))) = inverse(X4),
    inference(paramodulation,[status(thm)],[f19,f5]) ).

fof(f61,plain,
    ! [X0,X1,X2,X3,X4,X5] : inverse(double_divide(inverse(X0),multiply(double_divide(X1,X2),X2))) = multiply(double_divide(multiply(multiply(X3,X0),X1),multiply(double_divide(X4,X5),X5)),double_divide(X4,inverse(X3))),
    inference(paramodulation,[status(thm)],[f24,f49]) ).

fof(f71,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(multiply(double_divide(X0,X1),X1),inverse(X2)) = multiply(double_divide(multiply(multiply(X3,X2),X0),multiply(double_divide(X4,X5),X5)),double_divide(X4,inverse(X3))),
    inference(forward_demodulation,[status(thm)],[f5,f61]) ).

fof(f82,plain,
    ! [X0,X1,X2,X3,X4,X5] : X0 = double_divide(double_divide(double_divide(X1,multiply(double_divide(inverse(X2),multiply(double_divide(inverse(X3),X4),X4)),X3)),multiply(X0,X5)),double_divide(inverse(X5),inverse(double_divide(X1,X2)))),
    inference(paramodulation,[status(thm)],[f24,f26]) ).

fof(f102,plain,
    ! [X0,X1,X2,X3,X4,X5] : X0 = double_divide(double_divide(double_divide(X1,multiply(double_divide(inverse(X2),multiply(double_divide(inverse(X3),X4),X4)),X3)),multiply(X0,X5)),double_divide(inverse(X5),multiply(X2,X1))),
    inference(forward_demodulation,[status(thm)],[f5,f82]) ).

fof(f108,plain,
    ! [X0,X1,X2,X3,X4] : multiply(double_divide(multiply(multiply(X0,X1),X2),multiply(double_divide(X3,X4),X4)),double_divide(X3,inverse(X0))) = multiply(multiply(double_divide(X2,b2),b2),inverse(X1)),
    inference(equality_split,[status(esa)],[f71]) ).

fof(f109,plain,
    ! [X0,X1,X2] : multiply(multiply(double_divide(X0,X1),X1),inverse(X2)) = multiply(multiply(double_divide(X0,b2),b2),inverse(X2)),
    inference(equality_split,[status(esa)],[f71]) ).

fof(f145,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : multiply(double_divide(X0,X1),X1) = double_divide(double_divide(double_divide(X2,multiply(double_divide(inverse(X3),multiply(double_divide(inverse(X4),X5),X5)),X4)),multiply(multiply(double_divide(X0,b2),b2),inverse(X6))),double_divide(inverse(inverse(X6)),multiply(X3,X2))),
    inference(paramodulation,[status(thm)],[f109,f102]) ).

fof(f166,plain,
    ! [X0,X1] : multiply(double_divide(X0,X1),X1) = multiply(double_divide(X0,b2),b2),
    inference(forward_demodulation,[status(thm)],[f102,f145]) ).

fof(f182,plain,
    ! [X0,X1,X2,X3] : multiply(double_divide(double_divide(X0,inverse(double_divide(X1,X2))),b2),b2) = multiply(X2,double_divide(inverse(X1),multiply(double_divide(X0,X3),X3))),
    inference(paramodulation,[status(thm)],[f7,f166]) ).

fof(f202,plain,
    ! [X0,X1,X2,X3] : inverse(double_divide(X0,X1)) = multiply(double_divide(inverse(X1),multiply(double_divide(X2,X3),X3)),double_divide(X2,multiply(double_divide(X0,b2),b2))),
    inference(paramodulation,[status(thm)],[f166,f24]) ).

fof(f203,plain,
    ! [X0,X1,X2,X3] : double_divide(X0,X1) = double_divide(double_divide(X2,multiply(double_divide(X0,b2),b2)),double_divide(inverse(X1),multiply(double_divide(X2,X3),X3))),
    inference(paramodulation,[status(thm)],[f166,f8]) ).

fof(f238,plain,
    ! [X0,X1,X2,X3] : multiply(double_divide(double_divide(X0,multiply(X1,X2)),b2),b2) = multiply(X1,double_divide(inverse(X2),multiply(double_divide(X0,X3),X3))),
    inference(forward_demodulation,[status(thm)],[f5,f182]) ).

fof(f242,plain,
    ! [X0,X1,X2,X3] : multiply(X0,X1) = multiply(double_divide(inverse(X0),multiply(double_divide(X2,X3),X3)),double_divide(X2,multiply(double_divide(X1,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f5,f202]) ).

fof(f255,plain,
    ! [X0,X1,X2,X3,X4] : multiply(X0,X1) = multiply(double_divide(inverse(X0),multiply(double_divide(X2,X3),X3)),double_divide(X2,multiply(double_divide(X1,X4),X4))),
    inference(paramodulation,[status(thm)],[f166,f242]) ).

fof(f280,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(double_divide(X0,X1),X2) = multiply(double_divide(multiply(X1,X0),multiply(double_divide(X3,X4),X4)),double_divide(X3,multiply(double_divide(X2,X5),X5))),
    inference(paramodulation,[status(thm)],[f5,f255]) ).

fof(f318,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(X0,X1) = double_divide(double_divide(X2,multiply(double_divide(X0,X3),X3)),double_divide(inverse(X1),multiply(double_divide(X2,X4),X4))),
    inference(paramodulation,[status(thm)],[f166,f203]) ).

fof(f459,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(double_divide(X0,inverse(X1)),double_divide(multiply(multiply(X1,X2),X3),multiply(double_divide(X0,X4),X4))) = double_divide(inverse(X2),multiply(double_divide(X3,b2),b2)),
    inference(equality_split,[status(esa)],[f37]) ).

fof(f460,plain,
    ! [X0,X1,X2] : double_divide(inverse(X0),multiply(double_divide(X1,X2),X2)) = double_divide(inverse(X0),multiply(double_divide(X1,b2),b2)),
    inference(equality_split,[status(esa)],[f37]) ).

fof(f494,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : X0 = double_divide(double_divide(X1,multiply(X0,double_divide(inverse(X2),multiply(double_divide(X3,b2),b2)))),double_divide(multiply(double_divide(multiply(multiply(X4,X2),X3),multiply(double_divide(X5,X6),X6)),double_divide(X5,inverse(X4))),multiply(double_divide(X1,X7),X7))),
    inference(paramodulation,[status(thm)],[f459,f19]) ).

fof(f534,plain,
    ! [X0,X1,X3,X2,X4,X5,X6,X7] : X0 = double_divide(double_divide(X1,multiply(double_divide(double_divide(X3,multiply(X0,X2)),b2),b2)),double_divide(multiply(double_divide(multiply(multiply(X4,X2),X3),multiply(double_divide(X5,X6),X6)),double_divide(X5,inverse(X4))),multiply(double_divide(X1,X7),X7))),
    inference(forward_demodulation,[status(thm)],[f238,f494]) ).

fof(f535,plain,
    ! [X0,X1,X2,X3,X4] : X0 = double_divide(double_divide(X1,multiply(double_divide(double_divide(X2,multiply(X0,X3)),b2),b2)),double_divide(multiply(multiply(double_divide(X2,b2),b2),inverse(X3)),multiply(double_divide(X1,X4),X4))),
    inference(forward_demodulation,[status(thm)],[f108,f534]) ).

fof(f556,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8,X9] : double_divide(multiply(X0,X1),multiply(double_divide(X2,X3),X3)) = double_divide(double_divide(double_divide(X4,multiply(X5,double_divide(X6,X7))),inverse(X8)),double_divide(multiply(multiply(X8,double_divide(X1,X0)),X2),multiply(X5,double_divide(multiply(X7,X6),multiply(double_divide(X4,X9),X9))))),
    inference(paramodulation,[status(thm)],[f49,f42]) ).

fof(f558,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8] : double_divide(inverse(X0),multiply(double_divide(X1,X2),X2)) = double_divide(double_divide(double_divide(X3,multiply(X4,double_divide(X5,X6))),inverse(X7)),double_divide(multiply(multiply(X7,X0),X1),multiply(X4,double_divide(multiply(X6,X5),multiply(double_divide(X3,X8),X8))))),
    inference(paramodulation,[status(thm)],[f24,f42]) ).

fof(f636,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(X0,X1),multiply(double_divide(X2,X3),X3)) = double_divide(inverse(double_divide(X1,X0)),multiply(double_divide(X2,b2),b2)),
    inference(backward_demodulation,[status(thm)],[f637,f556]) ).

fof(f637,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : double_divide(inverse(X0),multiply(double_divide(X1,b2),b2)) = double_divide(double_divide(double_divide(X2,multiply(X3,double_divide(X4,X5))),inverse(X6)),double_divide(multiply(multiply(X6,X0),X1),multiply(X3,double_divide(multiply(X5,X4),multiply(double_divide(X2,X7),X7))))),
    inference(forward_demodulation,[status(thm)],[f460,f558]) ).

fof(f682,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(X0,X1),multiply(double_divide(X2,X3),X3)) = double_divide(multiply(X0,X1),multiply(double_divide(X2,b2),b2)),
    inference(forward_demodulation,[status(thm)],[f5,f636]) ).

fof(f996,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(double_divide(X0,double_divide(X1,X0)),X2) = multiply(double_divide(multiply(double_divide(X1,b2),b2),multiply(double_divide(X3,X4),X4)),double_divide(X3,multiply(double_divide(X2,X5),X5))),
    inference(paramodulation,[status(thm)],[f166,f280]) ).

fof(f1052,plain,
    ! [X0,X1,X2] : multiply(double_divide(X0,double_divide(X1,X0)),X2) = multiply(double_divide(b2,double_divide(X1,b2)),X2),
    inference(forward_demodulation,[status(thm)],[f280,f996]) ).

fof(f1181,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(b2,double_divide(X0,b2)) = double_divide(double_divide(X1,multiply(double_divide(X2,double_divide(X0,X2)),X3)),double_divide(inverse(X3),multiply(double_divide(X1,X4),X4))),
    inference(paramodulation,[status(thm)],[f1052,f8]) ).

fof(f1251,plain,
    ! [X0,X1] : double_divide(b2,double_divide(X0,b2)) = double_divide(X1,double_divide(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f8,f1181]) ).

fof(f1264,plain,
    ! [X0,X1] : double_divide(b2,double_divide(X0,b2)) = double_divide(double_divide(X1,X0),double_divide(b2,double_divide(X1,b2))),
    inference(paramodulation,[status(thm)],[f1251,f1251]) ).

fof(f1484,plain,
    ! [X0,X1,X2] : double_divide(b2,double_divide(X0,b2)) = double_divide(double_divide(X1,X0),double_divide(X2,double_divide(X1,X2))),
    inference(paramodulation,[status(thm)],[f1251,f1264]) ).

fof(f1616,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(X0,double_divide(X1,X0)) = double_divide(double_divide(X2,inverse(double_divide(b2,double_divide(X3,b2)))),double_divide(inverse(double_divide(X1,X3)),multiply(double_divide(X2,X4),X4))),
    inference(paramodulation,[status(thm)],[f1484,f7]) ).

fof(f1617,plain,
    ! [X0,X1,X2] : multiply(double_divide(X0,double_divide(X1,X0)),double_divide(X1,X2)) = inverse(double_divide(b2,double_divide(X2,b2))),
    inference(paramodulation,[status(thm)],[f1484,f5]) ).

fof(f1663,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(X0,double_divide(X1,X0)) = double_divide(double_divide(X2,multiply(double_divide(X3,b2),b2)),double_divide(inverse(double_divide(X1,X3)),multiply(double_divide(X2,X4),X4))),
    inference(forward_demodulation,[status(thm)],[f5,f1616]) ).

fof(f1664,plain,
    ! [X0,X1,X2] : double_divide(X0,double_divide(X1,X0)) = double_divide(X2,double_divide(X1,X2)),
    inference(forward_demodulation,[status(thm)],[f318,f1663]) ).

fof(f1669,plain,
    ! [X0,X1,X2] : multiply(double_divide(X0,double_divide(X1,X0)),double_divide(X1,X2)) = multiply(double_divide(X2,b2),b2),
    inference(forward_demodulation,[status(thm)],[f5,f1617]) ).

fof(f1671,plain,
    ! [X0,X1] : double_divide(X0,double_divide(X1,X0)) = double_divide(b2,double_divide(X1,b2)),
    inference(equality_split,[status(esa)],[f1664]) ).

fof(f1735,plain,
    ! [X0,X1,X2,X3,X4,X5] : double_divide(inverse(double_divide(X0,X1)),multiply(double_divide(X2,b2),b2)) = double_divide(double_divide(X3,inverse(double_divide(X4,double_divide(X0,X4)))),double_divide(multiply(multiply(double_divide(X1,b2),b2),X2),multiply(double_divide(X3,X5),X5))),
    inference(paramodulation,[status(thm)],[f1669,f459]) ).

fof(f1741,plain,
    ! [X0,X1,X2,X3,X4] : inverse(double_divide(X0,double_divide(X1,X0))) = multiply(double_divide(inverse(double_divide(X1,X2)),multiply(double_divide(X3,X4),X4)),double_divide(X3,multiply(double_divide(X2,b2),b2))),
    inference(paramodulation,[status(thm)],[f1669,f24]) ).

fof(f1790,plain,
    ! [X1,X0,X2,X3,X4,X5] : double_divide(multiply(X1,X0),multiply(double_divide(X2,b2),b2)) = double_divide(double_divide(X3,inverse(double_divide(X4,double_divide(X0,X4)))),double_divide(multiply(multiply(double_divide(X1,b2),b2),X2),multiply(double_divide(X3,X5),X5))),
    inference(forward_demodulation,[status(thm)],[f5,f1735]) ).

fof(f1791,plain,
    ! [X0,X1,X2] : X0 = double_divide(multiply(X1,double_divide(X1,multiply(X0,X2))),multiply(double_divide(inverse(X2),b2),b2)),
    inference(backward_demodulation,[status(thm)],[f1792,f535]) ).

fof(f1792,plain,
    ! [X0,X1,X2,X3,X4,X5] : double_divide(multiply(X0,X1),multiply(double_divide(X2,b2),b2)) = double_divide(double_divide(X3,multiply(double_divide(X1,X4),X4)),double_divide(multiply(multiply(double_divide(X0,b2),b2),X2),multiply(double_divide(X3,X5),X5))),
    inference(forward_demodulation,[status(thm)],[f5,f1790]) ).

fof(f1856,plain,
    ! [X1,X0,X2,X3,X4] : multiply(double_divide(X1,X0),X0) = multiply(double_divide(inverse(double_divide(X1,X2)),multiply(double_divide(X3,X4),X4)),double_divide(X3,multiply(double_divide(X2,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f5,f1741]) ).

fof(f1857,plain,
    ! [X0,X1,X2] : multiply(double_divide(X0,X1),X1) = multiply(double_divide(X0,X2),X2),
    inference(forward_demodulation,[status(thm)],[f255,f1856]) ).

fof(f1934,plain,
    ! [X0,X1] : multiply(double_divide(X0,X1),X1) = multiply(double_divide(X0,b2),b2),
    inference(equality_split,[status(esa)],[f1857]) ).

fof(f1935,plain,
    ! [X0,X1] : multiply(double_divide(X0,X1),X1) = multiply(double_divide(X0,b2),b2),
    inference(equality_split,[status(esa)],[f1857]) ).

fof(f1953,plain,
    ! [X0,X1,X2,X3] : X0 = double_divide(double_divide(inverse(X1),multiply(X0,double_divide(double_divide(X2,multiply(X3,X1)),X2))),X3),
    inference(paramodulation,[status(thm)],[f1791,f19]) ).

fof(f1985,plain,
    ! [X0,X1,X2] : multiply(multiply(double_divide(inverse(X0),b2),b2),multiply(X1,double_divide(X1,multiply(X2,X0)))) = inverse(X2),
    inference(paramodulation,[status(thm)],[f1791,f5]) ).

fof(f2097,plain,
    ! [X0,X1,X2,X3] : X0 = double_divide(double_divide(inverse(double_divide(double_divide(X1,multiply(inverse(X2),X2)),X1)),multiply(X0,X3)),X3),
    inference(paramodulation,[status(thm)],[f1953,f1953]) ).

fof(f2126,plain,
    ! [X0,X1,X2,X3,X4,X5] : X0 = double_divide(X1,double_divide(inverse(X2),multiply(double_divide(double_divide(inverse(X3),multiply(X1,double_divide(double_divide(X4,multiply(inverse(double_divide(X2,X0)),X3)),X4))),X5),X5))),
    inference(paramodulation,[status(thm)],[f1953,f7]) ).

fof(f2128,plain,
    ! [X0,X1,X2,X3] : multiply(double_divide(double_divide(inverse(X0),multiply(X1,double_divide(double_divide(X2,multiply(X3,X0)),X2))),b2),b2) = multiply(X1,X3),
    inference(paramodulation,[status(thm)],[f1953,f1935]) ).

fof(f2141,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(inverse(X0),multiply(double_divide(double_divide(inverse(X1),multiply(X2,double_divide(double_divide(X3,multiply(X4,X1)),X3))),b2),b2)) = double_divide(inverse(X0),multiply(X2,X4)),
    inference(paramodulation,[status(thm)],[f1953,f460]) ).

fof(f2145,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : double_divide(double_divide(inverse(X0),multiply(X1,double_divide(double_divide(X2,multiply(X3,X0)),X2))),X4) = double_divide(double_divide(X5,multiply(X1,X3)),double_divide(inverse(X4),multiply(double_divide(X5,X6),X6))),
    inference(paramodulation,[status(thm)],[f1953,f318]) ).

fof(f2154,plain,
    ! [X0,X1,X2,X3,X4,X5] : X0 = double_divide(double_divide(X1,inverse(X2)),double_divide(inverse(double_divide(inverse(X3),multiply(X2,double_divide(double_divide(X4,multiply(X0,X3)),X4)))),multiply(double_divide(X1,X5),X5))),
    inference(paramodulation,[status(thm)],[f1953,f7]) ).

fof(f2155,plain,
    ! [X0,X1,X2,X3] : multiply(X0,double_divide(inverse(X1),multiply(X2,double_divide(double_divide(X3,multiply(X0,X1)),X3)))) = inverse(X2),
    inference(paramodulation,[status(thm)],[f1953,f5]) ).

fof(f2176,plain,
    ! [X0,X1,X2,X3] : X0 = double_divide(double_divide(multiply(X1,double_divide(X1,multiply(inverse(X2),X2))),multiply(X0,X3)),X3),
    inference(forward_demodulation,[status(thm)],[f5,f2097]) ).

fof(f2209,plain,
    ! [X0,X1,X2,X3,X4] : X0 = double_divide(X1,double_divide(inverse(X2),multiply(double_divide(double_divide(inverse(X3),multiply(X1,double_divide(double_divide(X4,multiply(inverse(double_divide(X2,X0)),X3)),X4))),b2),b2))),
    inference(forward_demodulation,[status(thm)],[f460,f2126]) ).

fof(f2210,plain,
    ! [X0,X1,X2,X3,X4] : X0 = double_divide(X1,double_divide(inverse(X2),multiply(double_divide(double_divide(inverse(X3),multiply(X1,double_divide(double_divide(X4,multiply(multiply(X0,X2),X3)),X4))),b2),b2))),
    inference(forward_demodulation,[status(thm)],[f5,f2209]) ).

fof(f2217,plain,
    ! [X0,X1,X2] : X0 = double_divide(X1,double_divide(inverse(X2),multiply(X1,multiply(X0,X2)))),
    inference(backward_demodulation,[status(thm)],[f2128,f2210]) ).

fof(f2225,plain,
    ! [X0,X1,X2,X3,X4,X5] : double_divide(double_divide(inverse(X0),multiply(X1,double_divide(double_divide(X2,multiply(X3,X0)),X2))),X4) = double_divide(double_divide(X5,multiply(X1,X3)),double_divide(inverse(X4),multiply(double_divide(X5,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f460,f2145]) ).

fof(f2230,plain,
    ! [X0,X1,X2,X3,X4] : X0 = double_divide(double_divide(X1,inverse(X2)),double_divide(inverse(double_divide(inverse(X3),multiply(X2,double_divide(double_divide(X4,multiply(X0,X3)),X4)))),multiply(double_divide(X1,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f460,f2154]) ).

fof(f2231,plain,
    ! [X0,X1,X2,X4,X3] : X0 = double_divide(double_divide(X1,inverse(X2)),double_divide(multiply(multiply(X2,double_divide(double_divide(X4,multiply(X0,X3)),X4)),inverse(X3)),multiply(double_divide(X1,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f5,f2230]) ).

fof(f2232,plain,
    ! [X0,X4,X3] : X0 = double_divide(inverse(double_divide(double_divide(X4,multiply(X0,X3)),X4)),multiply(double_divide(inverse(X3),b2),b2)),
    inference(forward_demodulation,[status(thm)],[f459,f2231]) ).

fof(f2238,plain,
    ! [X0,X1,X2] : X0 = double_divide(multiply(X1,double_divide(X1,multiply(X0,X2))),multiply(double_divide(inverse(X2),b2),b2)),
    inference(forward_demodulation,[status(thm)],[f5,f2232]) ).

fof(f2257,plain,
    ! [X0,X1,X2,X3] : X0 = double_divide(X1,double_divide(multiply(X2,X3),multiply(X1,multiply(X0,double_divide(X3,X2))))),
    inference(paramodulation,[status(thm)],[f5,f2217]) ).

fof(f2375,plain,
    ! [X0,X1,X2,X3,X4,X5] : inverse(X0) = multiply(double_divide(inverse(X1),multiply(X2,double_divide(multiply(X3,double_divide(X3,multiply(multiply(X0,X1),X4))),multiply(double_divide(inverse(X4),X5),X5)))),X2),
    inference(paramodulation,[status(thm)],[f1953,f45]) ).

fof(f2409,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : inverse(double_divide(X0,X1)) = multiply(double_divide(inverse(X1),multiply(X2,double_divide(multiply(X3,X4),multiply(double_divide(X5,X6),X6)))),double_divide(double_divide(X5,multiply(X2,double_divide(X4,X3))),multiply(double_divide(X0,b2),b2))),
    inference(paramodulation,[status(thm)],[f1934,f45]) ).

fof(f2416,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8] : double_divide(inverse(X0),multiply(X1,double_divide(multiply(X2,X3),multiply(double_divide(X4,X5),X5)))) = double_divide(double_divide(X6,inverse(X7)),double_divide(multiply(multiply(X7,X0),double_divide(X4,multiply(X1,double_divide(X3,X2)))),multiply(double_divide(X6,X8),X8))),
    inference(paramodulation,[status(thm)],[f45,f19]) ).

fof(f2477,plain,
    ! [X0,X1,X2,X3,X4] : inverse(X0) = multiply(double_divide(inverse(X1),multiply(X2,double_divide(multiply(X3,double_divide(X3,multiply(multiply(X0,X1),X4))),multiply(double_divide(inverse(X4),b2),b2)))),X2),
    inference(forward_demodulation,[status(thm)],[f1935,f2375]) ).

fof(f2546,plain,
    ! [X1,X0,X2,X3,X4,X5,X6] : multiply(X1,X0) = multiply(double_divide(inverse(X1),multiply(X2,double_divide(multiply(X3,X4),multiply(double_divide(X5,X6),X6)))),double_divide(double_divide(X5,multiply(X2,double_divide(X4,X3))),multiply(double_divide(X0,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f5,f2409]) ).

fof(f2547,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(X0,X1) = multiply(double_divide(inverse(X0),multiply(X2,double_divide(multiply(X3,X4),multiply(double_divide(X5,b2),b2)))),double_divide(double_divide(X5,multiply(X2,double_divide(X4,X3))),multiply(double_divide(X1,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f1935,f2546]) ).

fof(f2563,plain,
    ! [X0,X1,X2,X3,X4,X6,X7,X8] : double_divide(inverse(X0),multiply(X1,double_divide(multiply(X2,X3),multiply(double_divide(X4,b2),b2)))) = double_divide(double_divide(X6,inverse(X7)),double_divide(multiply(multiply(X7,X0),double_divide(X4,multiply(X1,double_divide(X3,X2)))),multiply(double_divide(X6,X8),X8))),
    inference(forward_demodulation,[status(thm)],[f1935,f2416]) ).

fof(f2564,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(inverse(X0),multiply(X1,double_divide(multiply(X2,double_divide(X2,multiply(X3,X4))),multiply(double_divide(inverse(X4),b2),b2)))) = double_divide(inverse(X0),multiply(X1,X3)),
    inference(backward_demodulation,[status(thm)],[f2567,f2141]) ).

fof(f2567,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(inverse(X0),multiply(X1,double_divide(multiply(X2,X3),multiply(double_divide(X4,b2),b2)))) = double_divide(inverse(X0),multiply(double_divide(double_divide(X4,multiply(X1,double_divide(X3,X2))),b2),b2)),
    inference(forward_demodulation,[status(thm)],[f459,f2563]) ).

fof(f2599,plain,
    ! [X0,X1,X2] : inverse(X0) = multiply(double_divide(inverse(X1),multiply(X2,multiply(X0,X1))),X2),
    inference(backward_demodulation,[status(thm)],[f2564,f2477]) ).

fof(f4030,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(inverse(X0),multiply(X1,multiply(X2,X0))) = double_divide(double_divide(multiply(X3,double_divide(X3,multiply(inverse(X4),X4))),inverse(X2)),X1),
    inference(paramodulation,[status(thm)],[f2599,f2176]) ).

fof(f4045,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : double_divide(X0,X1) = double_divide(X2,double_divide(inverse(X1),multiply(double_divide(double_divide(multiply(X3,double_divide(X3,multiply(inverse(X4),X4))),multiply(X2,multiply(double_divide(X0,X5),X5))),X6),X6))),
    inference(paramodulation,[status(thm)],[f2176,f318]) ).

fof(f4070,plain,
    ! [X0,X1,X2,X3] : multiply(double_divide(double_divide(multiply(X0,double_divide(X0,multiply(inverse(X1),X1))),multiply(X2,X3)),b2),b2) = multiply(X2,X3),
    inference(paramodulation,[status(thm)],[f2176,f1935]) ).

fof(f4096,plain,
    ! [X0,X1,X2,X3,X4,X5] : X0 = double_divide(double_divide(X1,inverse(X2)),double_divide(inverse(double_divide(multiply(X3,double_divide(X3,multiply(inverse(X4),X4))),multiply(X2,X0))),multiply(double_divide(X1,X5),X5))),
    inference(paramodulation,[status(thm)],[f2176,f7]) ).

fof(f4125,plain,
    ! [X0,X1,X2,X3,X4,X5] : double_divide(X0,X1) = double_divide(X2,double_divide(inverse(X1),multiply(double_divide(double_divide(multiply(X3,double_divide(X3,multiply(inverse(X4),X4))),multiply(X2,multiply(double_divide(X0,X5),X5))),b2),b2))),
    inference(forward_demodulation,[status(thm)],[f460,f4045]) ).

fof(f4126,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(X0,X1) = double_divide(X2,double_divide(inverse(X1),multiply(double_divide(double_divide(multiply(X3,double_divide(X3,multiply(inverse(X4),X4))),multiply(X2,multiply(double_divide(X0,b2),b2))),b2),b2))),
    inference(forward_demodulation,[status(thm)],[f1935,f4125]) ).

fof(f4149,plain,
    ! [X0,X1,X2] : double_divide(X0,X1) = double_divide(X2,double_divide(inverse(X1),multiply(X2,multiply(double_divide(X0,b2),b2)))),
    inference(backward_demodulation,[status(thm)],[f4070,f4126]) ).

fof(f4168,plain,
    ! [X0,X1,X2,X3,X4] : X0 = double_divide(double_divide(X1,inverse(X2)),double_divide(inverse(double_divide(multiply(X3,double_divide(X3,multiply(inverse(X4),X4))),multiply(X2,X0))),multiply(double_divide(X1,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f460,f4096]) ).

fof(f4169,plain,
    ! [X0,X1,X2,X3,X4] : X0 = double_divide(double_divide(X1,inverse(X2)),double_divide(multiply(multiply(X2,X0),multiply(X3,double_divide(X3,multiply(inverse(X4),X4)))),multiply(double_divide(X1,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f5,f4168]) ).

fof(f4171,plain,
    ! [X0,X1,X2] : X0 = double_divide(inverse(X0),multiply(double_divide(multiply(X1,double_divide(X1,multiply(inverse(X2),X2))),b2),b2)),
    inference(forward_demodulation,[status(thm)],[f459,f4169]) ).

fof(f4392,plain,
    ! [X0,X1,X2] : multiply(double_divide(multiply(X0,double_divide(X0,multiply(X1,X2))),b2),b2) = multiply(X1,multiply(double_divide(inverse(X2),b2),b2)),
    inference(paramodulation,[status(thm)],[f2238,f1935]) ).

fof(f4487,plain,
    ! [X0,X1] : X0 = double_divide(inverse(X0),multiply(inverse(X1),multiply(double_divide(inverse(X1),b2),b2))),
    inference(backward_demodulation,[status(thm)],[f4392,f4171]) ).

fof(f5113,plain,
    ! [X0,X1,X2] : X0 = double_divide(double_divide(inverse(multiply(double_divide(inverse(X1),b2),b2)),multiply(X0,double_divide(X2,inverse(X2)))),inverse(X1)),
    inference(paramodulation,[status(thm)],[f4487,f1953]) ).

fof(f5259,plain,
    ! [X0,X1,X2] : inverse(X0) = multiply(multiply(double_divide(inverse(double_divide(double_divide(X1,multiply(inverse(X2),X2)),X1)),b2),b2),inverse(X0)),
    inference(paramodulation,[status(thm)],[f2155,f1985]) ).

fof(f5359,plain,
    ! [X0,X1,X2] : inverse(X0) = multiply(multiply(double_divide(multiply(X1,double_divide(X1,multiply(inverse(X2),X2))),b2),b2),inverse(X0)),
    inference(forward_demodulation,[status(thm)],[f5,f5259]) ).

fof(f5489,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(inverse(X0),multiply(X1,multiply(double_divide(X2,b2),b2))) = double_divide(double_divide(X3,inverse(double_divide(X2,X0))),double_divide(inverse(X1),multiply(double_divide(X3,X4),X4))),
    inference(paramodulation,[status(thm)],[f4149,f7]) ).

fof(f5525,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(inverse(X0),multiply(X1,multiply(double_divide(X2,b2),b2))) = double_divide(double_divide(X3,multiply(X0,X2)),double_divide(inverse(X1),multiply(double_divide(X3,X4),X4))),
    inference(forward_demodulation,[status(thm)],[f5,f5489]) ).

fof(f5534,plain,
    ! [X0,X1,X2,X3,X4] : double_divide(double_divide(inverse(X0),multiply(X1,double_divide(double_divide(X2,multiply(X3,X0)),X2))),X4) = double_divide(inverse(X1),multiply(X4,multiply(double_divide(X3,b2),b2))),
    inference(backward_demodulation,[status(thm)],[f5535,f2225]) ).

fof(f5535,plain,
    ! [X0,X1,X2,X3] : double_divide(inverse(X0),multiply(X1,multiply(double_divide(X2,b2),b2))) = double_divide(double_divide(X3,multiply(X0,X2)),double_divide(inverse(X1),multiply(double_divide(X3,b2),b2))),
    inference(forward_demodulation,[status(thm)],[f460,f5525]) ).

fof(f5581,plain,
    ! [X0,X1] : X0 = double_divide(inverse(X0),multiply(X1,multiply(double_divide(X1,b2),b2))),
    inference(backward_demodulation,[status(thm)],[f5534,f1953]) ).

fof(f5630,plain,
    ! [X0,X1,X2] : double_divide(X0,X1) = double_divide(multiply(X1,X0),multiply(X2,multiply(double_divide(X2,b2),b2))),
    inference(paramodulation,[status(thm)],[f5,f5581]) ).

fof(f5638,plain,
    ! [X0,X1,X2] : inverse(X0) = multiply(X1,double_divide(inverse(multiply(double_divide(X1,b2),b2)),multiply(X0,double_divide(X2,inverse(X2))))),
    inference(paramodulation,[status(thm)],[f5581,f2155]) ).

fof(f5639,plain,
    ! [X0,X1] : inverse(X0) = multiply(multiply(double_divide(inverse(multiply(double_divide(X0,b2),b2)),b2),b2),multiply(inverse(X1),X1)),
    inference(paramodulation,[status(thm)],[f5581,f1985]) ).

fof(f5641,plain,
    ! [X0,X1,X2] : X0 = double_divide(X1,double_divide(inverse(multiply(double_divide(X0,b2),b2)),multiply(double_divide(inverse(X1),X2),X2))),
    inference(paramodulation,[status(thm)],[f5581,f8]) ).

fof(f5685,plain,
    ! [X0,X1] : multiply(multiply(X0,multiply(double_divide(X0,b2),b2)),inverse(X1)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f5581,f5]) ).

fof(f5689,plain,
    ! [X0,X1] : X0 = double_divide(X1,double_divide(inverse(multiply(double_divide(X0,b2),b2)),multiply(double_divide(inverse(X1),b2),b2))),
    inference(forward_demodulation,[status(thm)],[f460,f5641]) ).

fof(f5756,plain,
    ! [X0,X1,X2] : inverse(double_divide(X0,X1)) = multiply(multiply(X2,multiply(double_divide(X2,b2),b2)),multiply(X1,X0)),
    inference(paramodulation,[status(thm)],[f5,f5685]) ).

fof(f5785,plain,
    ! [X0,X1,X2] : multiply(X0,X1) = multiply(multiply(X2,multiply(double_divide(X2,b2),b2)),multiply(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f5,f5756]) ).

fof(f5846,plain,
    ! [X0,X1,X2] : X0 = double_divide(multiply(X1,multiply(double_divide(X1,b2),b2)),double_divide(inverse(X2),multiply(X0,X2))),
    inference(paramodulation,[status(thm)],[f5785,f2217]) ).

fof(f5948,plain,
    ! [X0,X1,X2] : double_divide(b2,double_divide(multiply(X0,X1),b2)) = double_divide(multiply(X2,multiply(double_divide(X2,b2),b2)),double_divide(X1,X0)),
    inference(paramodulation,[status(thm)],[f5630,f1671]) ).

fof(f6048,plain,
    ! [X0,X1] : X0 = double_divide(b2,double_divide(multiply(multiply(X0,X1),inverse(X1)),b2)),
    inference(backward_demodulation,[status(thm)],[f5948,f5846]) ).

fof(f6067,plain,
    ! [X0] : X0 = double_divide(b2,double_divide(inverse(multiply(double_divide(X0,b2),b2)),b2)),
    inference(paramodulation,[status(thm)],[f5685,f6048]) ).

fof(f6075,plain,
    ! [X0,X1,X2] : double_divide(inverse(X0),multiply(X1,multiply(X2,X0))) = double_divide(b2,double_divide(multiply(inverse(X2),inverse(X1)),b2)),
    inference(paramodulation,[status(thm)],[f2599,f6048]) ).

fof(f6079,plain,
    ! [X0,X1] : double_divide(X0,X1) = double_divide(b2,double_divide(multiply(multiply(double_divide(X0,b2),b2),inverse(X1)),b2)),
    inference(paramodulation,[status(thm)],[f1934,f6048]) ).

fof(f6202,plain,
    ! [X0,X1] : multiply(double_divide(X0,b2),b2) = multiply(X1,double_divide(inverse(multiply(double_divide(X1,b2),b2)),X0)),
    inference(paramodulation,[status(thm)],[f6067,f1669]) ).

fof(f6203,plain,
    ! [X0,X1] : double_divide(b2,double_divide(X0,b2)) = double_divide(double_divide(inverse(multiply(double_divide(X1,b2),b2)),X0),X1),
    inference(paramodulation,[status(thm)],[f6067,f1484]) ).

fof(f6247,plain,
    ! [X0] : multiply(double_divide(inverse(multiply(double_divide(X0,b2),b2)),b2),b2) = inverse(X0),
    inference(paramodulation,[status(thm)],[f6067,f5]) ).

fof(f6290,plain,
    ! [X0,X1] : inverse(X0) = multiply(double_divide(multiply(X0,double_divide(X1,inverse(X1))),b2),b2),
    inference(backward_demodulation,[status(thm)],[f6202,f5638]) ).

fof(f6291,plain,
    ! [X0,X1] : X0 = double_divide(b2,double_divide(multiply(X0,double_divide(X1,inverse(X1))),b2)),
    inference(backward_demodulation,[status(thm)],[f6203,f5113]) ).

fof(f6338,plain,
    ! [X0,X1] : inverse(X0) = multiply(inverse(X0),multiply(inverse(X1),X1)),
    inference(backward_demodulation,[status(thm)],[f6247,f5639]) ).

fof(f6441,plain,
    ! [X0,X1,X2] : inverse(double_divide(X0,X1)) = double_divide(inverse(X2),double_divide(multiply(X1,X0),inverse(X2))),
    inference(paramodulation,[status(thm)],[f6338,f2257]) ).

fof(f6443,plain,
    ! [X0,X1] : inverse(inverse(X0)) = multiply(double_divide(inverse(X0),inverse(X1)),inverse(X1)),
    inference(paramodulation,[status(thm)],[f6338,f2599]) ).

fof(f6444,plain,
    ! [X0,X1] : inverse(X0) = double_divide(inverse(X1),double_divide(inverse(X0),inverse(X1))),
    inference(paramodulation,[status(thm)],[f6338,f2217]) ).

fof(f6461,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : inverse(inverse(X0)) = multiply(double_divide(inverse(multiply(inverse(X1),X1)),multiply(X2,double_divide(multiply(X3,X4),multiply(double_divide(X5,X6),X6)))),double_divide(double_divide(X5,multiply(X2,double_divide(X4,X3))),inverse(X0))),
    inference(paramodulation,[status(thm)],[f6338,f45]) ).

fof(f6506,plain,
    ! [X1,X0,X2] : multiply(X1,X0) = double_divide(inverse(X2),double_divide(multiply(X1,X0),inverse(X2))),
    inference(forward_demodulation,[status(thm)],[f5,f6441]) ).

fof(f6512,plain,
    ! [X0,X1,X2] : double_divide(inverse(X0),multiply(X1,multiply(X2,X0))) = multiply(inverse(X2),inverse(X1)),
    inference(backward_demodulation,[status(thm)],[f6541,f6075]) ).

fof(f6516,plain,
    ! [X0,X1] : double_divide(X0,X1) = multiply(multiply(double_divide(X0,b2),b2),inverse(X1)),
    inference(backward_demodulation,[status(thm)],[f6541,f6079]) ).

fof(f6527,plain,
    ! [X0,X1] : X0 = multiply(X0,double_divide(X1,inverse(X1))),
    inference(backward_demodulation,[status(thm)],[f6541,f6291]) ).

fof(f6541,plain,
    ! [X0,X1] : multiply(X0,X1) = double_divide(b2,double_divide(multiply(X0,X1),b2)),
    inference(forward_demodulation,[status(thm)],[f1671,f6506]) ).

fof(f6559,plain,
    ! [X0,X1] : X0 = double_divide(X1,double_divide(inverse(multiply(double_divide(X0,b2),b2)),inverse(inverse(X1)))),
    inference(backward_demodulation,[status(thm)],[f6653,f5689]) ).

fof(f6653,plain,
    ! [X0] : inverse(inverse(X0)) = multiply(double_divide(inverse(X0),b2),b2),
    inference(forward_demodulation,[status(thm)],[f1935,f6443]) ).

fof(f6654,plain,
    ! [X0] : X0 = inverse(multiply(double_divide(X0,b2),b2)),
    inference(backward_demodulation,[status(thm)],[f6665,f6067]) ).

fof(f6665,plain,
    ! [X0] : inverse(X0) = double_divide(b2,double_divide(inverse(X0),b2)),
    inference(forward_demodulation,[status(thm)],[f1671,f6444]) ).

fof(f6677,plain,
    ! [X0,X1,X2,X3,X4,X5] : inverse(inverse(X0)) = multiply(double_divide(inverse(multiply(inverse(X1),X1)),multiply(X2,double_divide(multiply(X3,X4),multiply(double_divide(X5,b2),b2)))),double_divide(double_divide(X5,multiply(X2,double_divide(X4,X3))),inverse(X0))),
    inference(forward_demodulation,[status(thm)],[f1935,f6461]) ).

fof(f6704,plain,
    ! [X0,X1] : X0 = double_divide(X1,multiply(inverse(X0),inverse(X1))),
    inference(backward_demodulation,[status(thm)],[f6512,f2217]) ).

fof(f6741,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(X0),inverse(X1)) = double_divide(double_divide(multiply(X2,double_divide(X2,multiply(inverse(X3),X3))),inverse(X0)),X1),
    inference(backward_demodulation,[status(thm)],[f6512,f4030]) ).

fof(f6768,plain,
    ! [X0,X1,X2] : inverse(X0) = double_divide(multiply(X1,double_divide(X1,multiply(inverse(X2),X2))),X0),
    inference(backward_demodulation,[status(thm)],[f6516,f5359]) ).

fof(f6879,plain,
    ! [X0] : inverse(X0) = multiply(double_divide(X0,b2),b2),
    inference(backward_demodulation,[status(thm)],[f6527,f6290]) ).

fof(f7002,plain,
    ! [X0,X1] : X0 = double_divide(X1,double_divide(X0,inverse(inverse(X1)))),
    inference(backward_demodulation,[status(thm)],[f6654,f6559]) ).

fof(f7110,plain,
    ! [X0,X1] : multiply(inverse(X0),inverse(X1)) = double_divide(inverse(inverse(X0)),X1),
    inference(backward_demodulation,[status(thm)],[f6768,f6741]) ).

fof(f7424,plain,
    ! [X0] : X0 = inverse(inverse(X0)),
    inference(backward_demodulation,[status(thm)],[f6879,f6654]) ).

fof(f7463,plain,
    ! [X0,X1,X2,X3,X4,X5] : inverse(inverse(X0)) = multiply(double_divide(inverse(multiply(inverse(X1),X1)),multiply(X2,double_divide(multiply(X3,X4),inverse(X5)))),double_divide(double_divide(X5,multiply(X2,double_divide(X4,X3))),inverse(X0))),
    inference(backward_demodulation,[status(thm)],[f6879,f6677]) ).

fof(f7666,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(X0,X1) = multiply(double_divide(inverse(X0),multiply(X2,double_divide(multiply(X3,X4),multiply(double_divide(X5,b2),b2)))),double_divide(double_divide(X5,multiply(X2,double_divide(X4,X3))),inverse(X1))),
    inference(backward_demodulation,[status(thm)],[f6879,f2547]) ).

fof(f7690,plain,
    ! [X0,X1,X2,X3] : double_divide(multiply(X0,X1),multiply(double_divide(X2,X3),X3)) = double_divide(multiply(X0,X1),inverse(X2)),
    inference(backward_demodulation,[status(thm)],[f6879,f682]) ).

fof(f7870,plain,
    ! [X0,X1] : X0 = double_divide(X1,double_divide(inverse(inverse(X0)),X1)),
    inference(backward_demodulation,[status(thm)],[f7110,f6704]) ).

fof(f8197,plain,
    ! [X0,X1] : X0 = double_divide(X1,double_divide(X0,X1)),
    inference(backward_demodulation,[status(thm)],[f7424,f7002]) ).

fof(f8332,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(X0,X1) = multiply(double_divide(inverse(X0),multiply(X2,double_divide(multiply(X3,X4),inverse(X5)))),double_divide(double_divide(X5,multiply(X2,double_divide(X4,X3))),inverse(X1))),
    inference(backward_demodulation,[status(thm)],[f8402,f7666]) ).

fof(f8402,plain,
    ! [X0,X1,X2] : double_divide(multiply(X0,X1),multiply(double_divide(X2,b2),b2)) = double_divide(multiply(X0,X1),inverse(X2)),
    inference(forward_demodulation,[status(thm)],[f1935,f7690]) ).

fof(f8655,plain,
    ! [X0] : X0 = double_divide(b2,double_divide(inverse(inverse(X0)),b2)),
    inference(forward_demodulation,[status(thm)],[f1671,f7870]) ).

fof(f8834,plain,
    ! [X0] : X0 = inverse(inverse(X0)),
    inference(backward_demodulation,[status(thm)],[f8197,f8655]) ).

fof(f9046,plain,
    ! [X0,X1] : inverse(inverse(X0)) = multiply(multiply(inverse(X1),X1),X0),
    inference(backward_demodulation,[status(thm)],[f8332,f7463]) ).

fof(f9686,plain,
    inverse(inverse(a2)) != a2,
    inference(backward_demodulation,[status(thm)],[f9046,f6]) ).

fof(f10172,plain,
    $false,
    inference(resolution,[status(thm)],[f9686,f8834]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.09  % Problem  : GRP503-1 : TPTP v8.1.2. Released v2.6.0.
% 0.02/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.30  % Computer : n031.cluster.edu
% 0.09/0.30  % Model    : x86_64 x86_64
% 0.09/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.30  % Memory   : 8042.1875MB
% 0.09/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.30  % CPULimit : 300
% 0.09/0.30  % WCLimit  : 300
% 0.09/0.30  % DateTime : Tue Apr 30 01:08:43 EDT 2024
% 0.09/0.30  % CPUTime  : 
% 0.09/0.30  % Drodi V3.6.0
% 9.92/1.62  % Refutation found
% 9.92/1.62  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 9.92/1.62  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 10.92/1.69  % Elapsed time: 1.370884 seconds
% 10.92/1.69  % CPU time: 10.666104 seconds
% 10.92/1.69  % Total memory used: 210.855 MB
% 10.92/1.69  % Net memory used: 207.315 MB
%------------------------------------------------------------------------------