TSTP Solution File: GRP480-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP480-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n003.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 20:20:45 EDT 2024

% Result   : Unsatisfiable 7.00s 1.26s
% Output   : CNFRefutation 7.00s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   52
%            Number of leaves      :    3
% Syntax   : Number of formulae    :  112 ( 112 unt;   0 def)
%            Number of atoms       :  112 ( 111 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :   12 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :  387 ( 387   !;   0   ?)

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

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

fof(f3,negated_conjecture,
    multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

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

fof(f6,plain,
    multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)),
    inference(cnf_transformation,[status(esa)],[f3]) ).

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

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

fof(f9,plain,
    ! [X0,X1,X2,X3] : divide(inverse(divide(multiply(divide(X0,X0),X1),divide(X2,divide(inverse(X1),X3)))),X3) = X2,
    inference(paramodulation,[status(thm)],[f5,f4]) ).

fof(f10,plain,
    ! [X0,X1,X2,X3] : divide(inverse(divide(divide(multiply(inverse(X0),X0),X1),divide(X2,divide(X1,X3)))),X3) = X2,
    inference(paramodulation,[status(thm)],[f5,f4]) ).

fof(f11,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(divide(divide(X0,X0),X1),X2)),X3) = inverse(divide(divide(divide(X4,X4),X5),divide(X2,divide(X5,divide(X1,X3))))),
    inference(paramodulation,[status(thm)],[f4,f4]) ).

fof(f12,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(divide(divide(X0,X0),inverse(divide(divide(divide(X1,X1),X2),divide(X3,divide(X2,X4))))),divide(X5,X3))),X4) = X5,
    inference(paramodulation,[status(thm)],[f4,f4]) ).

fof(f13,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(multiply(divide(X0,X0),divide(divide(divide(X1,X1),X2),divide(X3,divide(X2,X4)))),divide(X5,X3))),X4) = X5,
    inference(forward_demodulation,[status(thm)],[f5,f12]) ).

fof(f18,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(divide(multiply(divide(X0,X0),X1),divide(X2,multiply(inverse(X1),X3)))),X3) = X2,
    inference(paramodulation,[status(thm)],[f5,f8]) ).

fof(f20,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(inverse(divide(divide(divide(X0,X0),X1),X2)),X3) = inverse(divide(divide(divide(X4,X4),X5),divide(X2,divide(X5,multiply(X1,X3))))),
    inference(paramodulation,[status(thm)],[f4,f8]) ).

fof(f21,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(inverse(divide(divide(divide(X0,X0),inverse(divide(divide(divide(X1,X1),X2),divide(X3,multiply(X2,X4))))),divide(X5,X3))),X4) = X5,
    inference(paramodulation,[status(thm)],[f8,f8]) ).

fof(f22,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(inverse(divide(multiply(divide(X0,X0),divide(divide(divide(X1,X1),X2),divide(X3,multiply(X2,X4)))),divide(X5,X3))),X4) = X5,
    inference(forward_demodulation,[status(thm)],[f5,f21]) ).

fof(f26,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(multiply(divide(X0,X0),X1),X2)),X3) = inverse(divide(multiply(divide(X4,X4),X5),divide(X2,divide(inverse(X5),divide(inverse(X1),X3))))),
    inference(paramodulation,[status(thm)],[f9,f9]) ).

fof(f81,plain,
    ! [X0,X1,X2,X3,X4] : inverse(divide(divide(divide(X0,X0),X1),divide(X2,divide(X1,divide(X3,X4))))) = divide(inverse(divide(divide(divide(a3,a3),X3),X2)),X4),
    inference(equality_split,[status(esa)],[f11]) ).

fof(f105,plain,
    ! [X0,X1,X2] : divide(divide(inverse(divide(divide(divide(a3,a3),X0),X1)),X2),divide(X0,X2)) = X1,
    inference(paramodulation,[status(thm)],[f81,f4]) ).

fof(f116,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8,X9] : divide(inverse(divide(multiply(divide(X0,X0),divide(divide(divide(X1,X1),X2),X3)),divide(X4,inverse(divide(multiply(divide(X5,X5),divide(divide(divide(X6,X6),X7),divide(X8,divide(X7,divide(X2,X9))))),divide(X3,X8)))))),X9) = X4,
    inference(paramodulation,[status(thm)],[f13,f13]) ).

fof(f117,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8,X9] : divide(inverse(divide(multiply(divide(X0,X0),divide(divide(divide(X1,X1),X2),X3)),multiply(X4,divide(multiply(divide(X5,X5),divide(divide(divide(X6,X6),X7),divide(X8,divide(X7,divide(X2,X9))))),divide(X3,X8))))),X9) = X4,
    inference(forward_demodulation,[status(thm)],[f5,f116]) ).

fof(f120,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : divide(inverse(divide(multiply(divide(X0,X0),divide(divide(divide(X1,X1),X2),X3)),divide(X4,inverse(divide(divide(multiply(inverse(X5),X5),X6),divide(X3,divide(X6,divide(X2,X7)))))))),X7) = X4,
    inference(paramodulation,[status(thm)],[f10,f13]) ).

fof(f121,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : divide(inverse(divide(multiply(divide(X0,X0),divide(divide(divide(X1,X1),X2),X3)),multiply(X4,divide(divide(multiply(inverse(X5),X5),X6),divide(X3,divide(X6,divide(X2,X7))))))),X7) = X4,
    inference(forward_demodulation,[status(thm)],[f5,f120]) ).

fof(f160,plain,
    ! [X0,X1,X2] : divide(multiply(inverse(divide(divide(divide(a3,a3),X0),X1)),X2),divide(X0,inverse(X2))) = X1,
    inference(paramodulation,[status(thm)],[f5,f105]) ).

fof(f161,plain,
    ! [X0,X1,X2] : divide(multiply(inverse(divide(divide(divide(a3,a3),X0),X1)),X2),multiply(X0,X2)) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f160]) ).

fof(f164,plain,
    ! [X0,X1,X2] : divide(divide(inverse(divide(multiply(divide(a3,a3),X0),X1)),X2),divide(inverse(X0),X2)) = X1,
    inference(paramodulation,[status(thm)],[f5,f105]) ).

fof(f186,plain,
    ! [X0,X1,X2,X3,X4] : inverse(divide(divide(divide(X0,X0),X1),X2)) = divide(inverse(divide(divide(divide(a3,a3),X3),divide(inverse(divide(divide(divide(a3,a3),X1),X2)),divide(X3,X4)))),X4),
    inference(paramodulation,[status(thm)],[f105,f81]) ).

fof(f187,plain,
    ! [X0,X1,X2] : inverse(divide(divide(divide(X0,X0),X1),X2)) = inverse(divide(divide(divide(a3,a3),X1),X2)),
    inference(forward_demodulation,[status(thm)],[f4,f186]) ).

fof(f200,plain,
    ! [X0,X1,X2] : divide(multiply(inverse(divide(multiply(divide(a3,a3),X0),X1)),X2),multiply(inverse(X0),X2)) = X1,
    inference(paramodulation,[status(thm)],[f5,f161]) ).

fof(f268,plain,
    ! [X0,X1,X2,X3,X4] : inverse(divide(divide(divide(X0,X0),X1),divide(X2,divide(X1,multiply(X3,X4))))) = multiply(inverse(divide(divide(divide(a3,a3),X3),X2)),X4),
    inference(equality_split,[status(esa)],[f20]) ).

fof(f427,plain,
    ! [X0,X1,X2,X3,X4] : inverse(divide(divide(divide(X0,X0),inverse(X1)),X2)) = multiply(inverse(divide(divide(divide(a3,a3),X3),divide(inverse(divide(multiply(divide(a3,a3),X1),X2)),multiply(X3,X4)))),X4),
    inference(paramodulation,[status(thm)],[f164,f268]) ).

fof(f428,plain,
    ! [X0,X1,X2,X3,X4] : inverse(divide(multiply(divide(X0,X0),X1),X2)) = multiply(inverse(divide(divide(divide(a3,a3),X3),divide(inverse(divide(multiply(divide(a3,a3),X1),X2)),multiply(X3,X4)))),X4),
    inference(forward_demodulation,[status(thm)],[f5,f427]) ).

fof(f429,plain,
    ! [X0,X1,X2] : inverse(divide(multiply(divide(X0,X0),X1),X2)) = inverse(divide(multiply(divide(a3,a3),X1),X2)),
    inference(forward_demodulation,[status(thm)],[f8,f428]) ).

fof(f457,plain,
    ! [X0,X1,X2] : inverse(divide(X0,X1)) = inverse(divide(divide(divide(a3,a3),divide(X2,inverse(divide(divide(divide(a3,a3),X2),X0)))),X1)),
    inference(paramodulation,[status(thm)],[f105,f187]) ).

fof(f458,plain,
    ! [X0,X1,X2] : inverse(divide(X0,X1)) = inverse(divide(divide(divide(a3,a3),multiply(X2,divide(divide(divide(a3,a3),X2),X0))),X1)),
    inference(forward_demodulation,[status(thm)],[f5,f457]) ).

fof(f461,plain,
    ! [X0,X1,X2] : inverse(divide(divide(multiply(inverse(X0),X0),X1),X2)) = inverse(divide(divide(divide(a3,a3),X1),X2)),
    inference(paramodulation,[status(thm)],[f5,f187]) ).

fof(f482,plain,
    ! [X0,X1,X2,X3] : multiply(X0,divide(divide(divide(X1,X1),X2),X3)) = divide(X0,inverse(divide(divide(divide(a3,a3),X2),X3))),
    inference(paramodulation,[status(thm)],[f187,f5]) ).

fof(f483,plain,
    ! [X0,X1,X2,X3] : multiply(X0,divide(divide(divide(X1,X1),X2),X3)) = multiply(X0,divide(divide(divide(a3,a3),X2),X3)),
    inference(forward_demodulation,[status(thm)],[f5,f482]) ).

fof(f646,plain,
    ! [X0,X1,X2,X3] : divide(inverse(divide(multiply(divide(X0,X0),X1),X2)),X3) = divide(inverse(divide(multiply(divide(a3,a3),X1),X2)),X3),
    inference(equality_split,[status(esa)],[f26]) ).

fof(f863,plain,
    ! [X0,X1,X2,X3] : inverse(divide(multiply(divide(X0,X0),X1),X2)) = inverse(divide(multiply(divide(X3,X3),X1),X2)),
    inference(paramodulation,[status(thm)],[f429,f429]) ).

fof(f887,plain,
    ! [X0,X1,X2,X3] : multiply(X0,divide(multiply(divide(X1,X1),X2),X3)) = divide(X0,inverse(divide(multiply(divide(a3,a3),X2),X3))),
    inference(paramodulation,[status(thm)],[f429,f5]) ).

fof(f888,plain,
    ! [X0,X1,X2,X3] : multiply(X0,divide(multiply(divide(X1,X1),X2),X3)) = multiply(X0,divide(multiply(divide(a3,a3),X2),X3)),
    inference(forward_demodulation,[status(thm)],[f5,f887]) ).

fof(f922,plain,
    ! [X0,X1,X2] : inverse(divide(multiply(divide(X0,X0),X1),X2)) = inverse(divide(multiply(divide(a3,a3),X1),X2)),
    inference(equality_split,[status(esa)],[f863]) ).

fof(f1231,plain,
    ! [X0,X1,X2,X3] : multiply(X0,divide(divide(multiply(inverse(X1),X1),X2),X3)) = divide(X0,inverse(divide(divide(divide(a3,a3),X2),X3))),
    inference(paramodulation,[status(thm)],[f461,f5]) ).

fof(f1232,plain,
    ! [X0,X1,X2,X3] : multiply(X0,divide(divide(multiply(inverse(X1),X1),X2),X3)) = multiply(X0,divide(divide(divide(a3,a3),X2),X3)),
    inference(forward_demodulation,[status(thm)],[f5,f1231]) ).

fof(f1261,plain,
    ! [X0,X1,X2,X3,X4] : multiply(X0,divide(divide(divide(X1,X1),X2),X3)) = multiply(X0,divide(divide(divide(X4,X4),X2),X3)),
    inference(paramodulation,[status(thm)],[f483,f483]) ).

fof(f1380,plain,
    ! [X0,X1,X2,X3] : multiply(X0,divide(divide(divide(X1,X1),X2),X3)) = multiply(X0,divide(divide(divide(a3,a3),X2),X3)),
    inference(equality_split,[status(esa)],[f1261]) ).

fof(f1700,plain,
    ! [X0,X1,X2,X3,X4] : multiply(X0,divide(multiply(divide(X1,X1),X2),X3)) = multiply(X0,divide(multiply(divide(X4,X4),X2),X3)),
    inference(paramodulation,[status(thm)],[f888,f888]) ).

fof(f1830,plain,
    ! [X0,X1,X2,X3] : multiply(X0,divide(multiply(divide(X1,X1),X2),X3)) = multiply(X0,divide(multiply(divide(a3,a3),X2),X3)),
    inference(equality_split,[status(esa)],[f1700]) ).

fof(f3367,plain,
    ! [X0,X1,X2,X3] : divide(multiply(inverse(divide(X0,X1)),X2),multiply(multiply(X3,divide(divide(divide(a3,a3),X3),X0)),X2)) = X1,
    inference(paramodulation,[status(thm)],[f458,f161]) ).

fof(f3407,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8] : divide(inverse(divide(multiply(divide(a3,a3),divide(divide(divide(X0,X0),X1),X2)),multiply(X3,divide(multiply(divide(X4,X4),divide(divide(divide(X5,X5),X6),divide(X7,divide(X6,divide(X1,X8))))),divide(X2,X7))))),X8) = X3,
    inference(forward_demodulation,[status(thm)],[f646,f117]) ).

fof(f3408,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : divide(inverse(divide(multiply(divide(a3,a3),divide(divide(divide(a3,a3),X0),X1)),multiply(X2,divide(multiply(divide(X3,X3),divide(divide(divide(X4,X4),X5),divide(X6,divide(X5,divide(X0,X7))))),divide(X1,X6))))),X7) = X2,
    inference(forward_demodulation,[status(thm)],[f1380,f3407]) ).

fof(f3409,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : divide(inverse(divide(multiply(divide(a3,a3),divide(divide(divide(a3,a3),X0),X1)),multiply(X2,divide(multiply(divide(a3,a3),divide(divide(divide(X3,X3),X4),divide(X5,divide(X4,divide(X0,X6))))),divide(X1,X5))))),X6) = X2,
    inference(forward_demodulation,[status(thm)],[f1830,f3408]) ).

fof(f3410,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(multiply(divide(a3,a3),divide(divide(divide(a3,a3),X0),X1)),multiply(X2,divide(multiply(divide(a3,a3),divide(divide(divide(a3,a3),X3),divide(X4,divide(X3,divide(X0,X5))))),divide(X1,X4))))),X5) = X2,
    inference(forward_demodulation,[status(thm)],[f1380,f3409]) ).

fof(f3641,plain,
    ! [X0,X1,X2,X3,X4] : divide(X0,multiply(multiply(X1,divide(divide(divide(a3,a3),X1),divide(divide(X2,X2),X3))),X4)) = divide(X0,multiply(X3,X4)),
    inference(paramodulation,[status(thm)],[f8,f3367]) ).

fof(f4826,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : divide(inverse(divide(multiply(divide(a3,a3),divide(divide(divide(X0,X0),X1),X2)),multiply(X3,divide(divide(multiply(inverse(X4),X4),X5),divide(X2,divide(X5,divide(X1,X6))))))),X6) = X3,
    inference(forward_demodulation,[status(thm)],[f646,f121]) ).

fof(f4827,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(multiply(divide(a3,a3),divide(divide(divide(a3,a3),X0),X1)),multiply(X2,divide(divide(multiply(inverse(X3),X3),X4),divide(X1,divide(X4,divide(X0,X5))))))),X5) = X2,
    inference(forward_demodulation,[status(thm)],[f1380,f4826]) ).

fof(f4828,plain,
    ! [X0,X1,X2,X3,X4] : divide(inverse(divide(multiply(divide(a3,a3),divide(divide(divide(a3,a3),X0),X1)),multiply(X2,divide(divide(divide(a3,a3),X3),divide(X1,divide(X3,divide(X0,X4))))))),X4) = X2,
    inference(forward_demodulation,[status(thm)],[f1232,f4827]) ).

fof(f6239,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : divide(inverse(divide(multiply(divide(a3,a3),divide(divide(divide(a3,a3),X0),X1)),multiply(X2,divide(divide(divide(a3,a3),X3),divide(X1,divide(X3,divide(X0,X4))))))),X4) = multiply(X5,divide(divide(divide(a3,a3),X5),divide(divide(X6,X6),X2))),
    inference(paramodulation,[status(thm)],[f3641,f4828]) ).

fof(f6240,plain,
    ! [X0,X1,X2] : X0 = multiply(X1,divide(divide(divide(a3,a3),X1),divide(divide(X2,X2),X0))),
    inference(forward_demodulation,[status(thm)],[f4828,f6239]) ).

fof(f6485,plain,
    ! [X0,X1,X2] : inverse(X0) = multiply(X1,divide(divide(divide(a3,a3),X1),multiply(divide(X2,X2),X0))),
    inference(paramodulation,[status(thm)],[f5,f6240]) ).

fof(f6486,plain,
    ! [X0,X1,X2] : X0 = multiply(X1,divide(divide(divide(a3,a3),X1),divide(multiply(inverse(X2),X2),X0))),
    inference(paramodulation,[status(thm)],[f5,f6240]) ).

fof(f6515,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(divide(multiply(divide(X0,X0),X1),divide(X2,divide(X3,X3)))),X1) = X2,
    inference(paramodulation,[status(thm)],[f6240,f22]) ).

fof(f6516,plain,
    ! [X0,X1,X2] : multiply(inverse(divide(multiply(divide(a3,a3),X0),divide(X1,divide(X2,X2)))),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f922,f6515]) ).

fof(f7344,plain,
    ! [X0,X1,X2] : divide(X0,multiply(inverse(X1),X1)) = divide(X0,divide(X2,X2)),
    inference(paramodulation,[status(thm)],[f6516,f200]) ).

fof(f7383,plain,
    ! [X0,X1] : divide(X0,multiply(inverse(X1),X1)) = divide(X0,divide(a3,a3)),
    inference(equality_split,[status(esa)],[f7344]) ).

fof(f7468,plain,
    ! [X0,X1,X2] : multiply(inverse(X0),X0) = multiply(X1,divide(divide(divide(a3,a3),X1),divide(multiply(inverse(X2),X2),divide(a3,a3)))),
    inference(paramodulation,[status(thm)],[f7383,f6486]) ).

fof(f7469,plain,
    ! [X0] : multiply(inverse(X0),X0) = divide(a3,a3),
    inference(forward_demodulation,[status(thm)],[f6486,f7468]) ).

fof(f7735,plain,
    ! [X0,X1] : divide(divide(a3,a3),multiply(X0,divide(divide(divide(a3,a3),X0),X1))) = X1,
    inference(paramodulation,[status(thm)],[f7469,f161]) ).

fof(f8739,plain,
    ! [X0,X1] : divide(divide(a3,a3),inverse(X0)) = multiply(divide(X1,X1),X0),
    inference(paramodulation,[status(thm)],[f6485,f7735]) ).

fof(f8740,plain,
    ! [X0,X1] : multiply(divide(a3,a3),X0) = multiply(divide(X1,X1),X0),
    inference(forward_demodulation,[status(thm)],[f5,f8739]) ).

fof(f8920,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(multiply(divide(a3,a3),divide(divide(divide(a3,a3),X0),X1)),multiply(divide(X2,X2),divide(multiply(divide(a3,a3),divide(divide(divide(a3,a3),X3),divide(X4,divide(X3,divide(X0,X5))))),divide(X1,X4))))),X5) = divide(a3,a3),
    inference(paramodulation,[status(thm)],[f8740,f3410]) ).

fof(f8921,plain,
    ! [X0] : divide(X0,X0) = divide(a3,a3),
    inference(forward_demodulation,[status(thm)],[f3410,f8920]) ).

fof(f9015,plain,
    ! [X0,X1] : divide(X0,X0) = divide(X1,X1),
    inference(paramodulation,[status(thm)],[f8921,f8921]) ).

fof(f9057,plain,
    ! [X0] : X0 = multiply(X0,divide(a3,a3)),
    inference(paramodulation,[status(thm)],[f8921,f6240]) ).

fof(f9438,plain,
    ! [X0] : divide(X0,X0) = divide(a3,a3),
    inference(equality_split,[status(esa)],[f9015]) ).

fof(f9538,plain,
    ! [X0,X1,X2] : inverse(divide(multiply(divide(X0,X0),X1),divide(X2,multiply(inverse(X1),divide(a3,a3))))) = X2,
    inference(paramodulation,[status(thm)],[f18,f9057]) ).

fof(f9539,plain,
    ! [X0,X1] : inverse(divide(multiply(divide(a3,a3),X0),divide(X1,multiply(inverse(X0),divide(a3,a3))))) = X1,
    inference(forward_demodulation,[status(thm)],[f922,f9538]) ).

fof(f9540,plain,
    ! [X0,X1] : inverse(divide(multiply(divide(a3,a3),X0),divide(X1,inverse(X0)))) = X1,
    inference(forward_demodulation,[status(thm)],[f9057,f9539]) ).

fof(f9541,plain,
    ! [X0,X1] : inverse(divide(multiply(divide(a3,a3),X0),multiply(X1,X0))) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f9540]) ).

fof(f9549,plain,
    inverse(divide(a3,a3)) = divide(a3,a3),
    inference(paramodulation,[status(thm)],[f7469,f9057]) ).

fof(f9748,plain,
    ! [X0] : multiply(X0,divide(a3,a3)) = divide(X0,divide(a3,a3)),
    inference(paramodulation,[status(thm)],[f9549,f5]) ).

fof(f9749,plain,
    ! [X0] : X0 = divide(X0,divide(a3,a3)),
    inference(forward_demodulation,[status(thm)],[f9057,f9748]) ).

fof(f10079,plain,
    ! [X0] : inverse(divide(divide(a3,a3),multiply(X0,divide(a3,a3)))) = X0,
    inference(paramodulation,[status(thm)],[f9057,f9541]) ).

fof(f10080,plain,
    ! [X0] : inverse(divide(divide(a3,a3),X0)) = X0,
    inference(forward_demodulation,[status(thm)],[f9057,f10079]) ).

fof(f10106,plain,
    ! [X0] : inverse(divide(multiply(divide(a3,a3),X0),divide(a3,a3))) = inverse(X0),
    inference(paramodulation,[status(thm)],[f7469,f9541]) ).

fof(f10107,plain,
    ! [X0] : inverse(multiply(divide(a3,a3),X0)) = inverse(X0),
    inference(forward_demodulation,[status(thm)],[f9749,f10106]) ).

fof(f10368,plain,
    ! [X0,X1] : inverse(X0) = inverse(divide(divide(divide(a3,a3),divide(a3,a3)),divide(divide(X1,X1),X0))),
    inference(paramodulation,[status(thm)],[f6240,f10107]) ).

fof(f10369,plain,
    ! [X0,X1] : inverse(X0) = inverse(divide(divide(a3,a3),divide(divide(X1,X1),X0))),
    inference(forward_demodulation,[status(thm)],[f9749,f10368]) ).

fof(f10370,plain,
    ! [X0,X1] : inverse(X0) = divide(divide(X1,X1),X0),
    inference(forward_demodulation,[status(thm)],[f10080,f10369]) ).

fof(f10371,plain,
    ! [X0] : inverse(X0) = divide(divide(a3,a3),X0),
    inference(forward_demodulation,[status(thm)],[f9438,f10370]) ).

fof(f10424,plain,
    ! [X0] : inverse(inverse(X0)) = X0,
    inference(backward_demodulation,[status(thm)],[f10371,f10080]) ).

fof(f10612,plain,
    ! [X0] : inverse(inverse(X0)) = multiply(divide(a3,a3),X0),
    inference(paramodulation,[status(thm)],[f10107,f10424]) ).

fof(f10613,plain,
    ! [X0] : X0 = multiply(divide(a3,a3),X0),
    inference(forward_demodulation,[status(thm)],[f10424,f10612]) ).

fof(f10646,plain,
    ! [X0,X1] : multiply(X0,inverse(X1)) = divide(X0,X1),
    inference(paramodulation,[status(thm)],[f10424,f5]) ).

fof(f10783,plain,
    ! [X0,X1] : inverse(divide(X0,multiply(X1,X0))) = X1,
    inference(backward_demodulation,[status(thm)],[f10613,f9541]) ).

fof(f10846,plain,
    ! [X0,X1,X2] : multiply(inverse(divide(divide(divide(X0,X0),divide(a3,a3)),divide(X1,X2))),X2) = X1,
    inference(paramodulation,[status(thm)],[f10613,f8]) ).

fof(f10847,plain,
    ! [X0,X1,X2] : multiply(inverse(divide(divide(X0,X0),divide(X1,X2))),X2) = X1,
    inference(forward_demodulation,[status(thm)],[f9749,f10846]) ).

fof(f10848,plain,
    ! [X0,X1] : multiply(inverse(divide(divide(a3,a3),divide(X0,X1))),X1) = X0,
    inference(forward_demodulation,[status(thm)],[f9438,f10847]) ).

fof(f10849,plain,
    ! [X0,X1] : multiply(inverse(inverse(divide(X0,X1))),X1) = X0,
    inference(forward_demodulation,[status(thm)],[f10371,f10848]) ).

fof(f10850,plain,
    ! [X0,X1] : multiply(divide(X0,X1),X1) = X0,
    inference(forward_demodulation,[status(thm)],[f10424,f10849]) ).

fof(f10986,plain,
    ! [X0,X1] : X0 = divide(divide(X0,inverse(X1)),X1),
    inference(paramodulation,[status(thm)],[f10850,f10646]) ).

fof(f10987,plain,
    ! [X0,X1] : X0 = divide(multiply(X0,X1),X1),
    inference(forward_demodulation,[status(thm)],[f5,f10986]) ).

fof(f11263,plain,
    ! [X0,X1] : inverse(divide(X0,X1)) = divide(X1,X0),
    inference(paramodulation,[status(thm)],[f10850,f10783]) ).

fof(f11564,plain,
    ! [X0,X1,X2,X3] : multiply(divide(divide(X0,multiply(X1,X2)),divide(divide(X3,X3),X1)),X2) = X0,
    inference(backward_demodulation,[status(thm)],[f11263,f8]) ).

fof(f11565,plain,
    ! [X0,X1,X2] : multiply(divide(divide(X0,multiply(X1,X2)),divide(divide(a3,a3),X1)),X2) = X0,
    inference(forward_demodulation,[status(thm)],[f9438,f11564]) ).

fof(f11566,plain,
    ! [X0,X1,X2] : multiply(divide(divide(X0,multiply(X1,X2)),inverse(X1)),X2) = X0,
    inference(forward_demodulation,[status(thm)],[f10371,f11565]) ).

fof(f11567,plain,
    ! [X0,X1,X2] : multiply(multiply(divide(X0,multiply(X1,X2)),X1),X2) = X0,
    inference(forward_demodulation,[status(thm)],[f5,f11566]) ).

fof(f11927,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X1),X2) = multiply(X0,multiply(X1,X2)),
    inference(paramodulation,[status(thm)],[f10987,f11567]) ).

fof(f12466,plain,
    multiply(a3,multiply(b3,c3)) != multiply(a3,multiply(b3,c3)),
    inference(backward_demodulation,[status(thm)],[f11927,f6]) ).

fof(f12467,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f12466]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : GRP480-1 : TPTP v8.1.2. Released v2.6.0.
% 0.06/0.12  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.11/0.33  % Computer : n003.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 300
% 0.11/0.33  % DateTime : Tue Apr 30 00:40:03 EDT 2024
% 0.11/0.33  % CPUTime  : 
% 0.11/0.33  % Drodi V3.6.0
% 7.00/1.26  % Refutation found
% 7.00/1.26  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 7.00/1.26  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 7.41/1.32  % Elapsed time: 0.972270 seconds
% 7.41/1.32  % CPU time: 7.551022 seconds
% 7.41/1.32  % Total memory used: 222.240 MB
% 7.41/1.32  % Net memory used: 218.198 MB
%------------------------------------------------------------------------------