TSTP Solution File: GRP477-1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP477-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n001.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 : Wed May 31 12:11:49 EDT 2023

% Result   : Unsatisfiable 190.35s 24.37s
% Output   : CNFRefutation 193.09s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   42
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   88 (  88 unt;   0 def)
%            Number of atoms       :   88 (  87 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    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :  347 (; 347   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B,C,D] : divide(inverse(divide(divide(divide(A,B),C),divide(D,C))),divide(B,A)) = D,
    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,X1),X2),divide(X3,X2))),divide(X1,X0)) = X3,
    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] : divide(inverse(divide(multiply(divide(X0,X1),X2),divide(X3,inverse(X2)))),divide(X1,X0)) = X3,
    inference(paramodulation,[status(thm)],[f5,f4]) ).

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

fof(f9,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(divide(X0,X1),divide(X2,X1))),divide(divide(X3,X4),inverse(divide(divide(divide(X4,X3),X5),divide(X0,X5))))) = X2,
    inference(paramodulation,[status(thm)],[f4,f4]) ).

fof(f10,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(divide(X0,X1),divide(X2,X1))),multiply(divide(X3,X4),divide(divide(divide(X4,X3),X5),divide(X0,X5)))) = X2,
    inference(forward_demodulation,[status(thm)],[f5,f9]) ).

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

fof(f18,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(multiply(X0,X1),multiply(X2,X1))),divide(divide(X3,X4),inverse(divide(multiply(divide(X4,X3),X5),multiply(X0,X5))))) = X2,
    inference(paramodulation,[status(thm)],[f8,f8]) ).

fof(f19,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(inverse(divide(multiply(X0,X1),multiply(X2,X1))),multiply(divide(X3,X4),divide(multiply(divide(X4,X3),X5),multiply(X0,X5)))) = X2,
    inference(forward_demodulation,[status(thm)],[f5,f18]) ).

fof(f64,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : divide(inverse(divide(multiply(divide(multiply(divide(X0,X1),divide(divide(divide(X1,X0),X2),divide(X3,X2))),inverse(divide(divide(X3,X4),divide(X5,X4)))),X6),multiply(X7,X6))),X5) = X7,
    inference(paramodulation,[status(thm)],[f10,f8]) ).

fof(f65,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : divide(inverse(divide(multiply(multiply(multiply(divide(X0,X1),divide(divide(divide(X1,X0),X2),divide(X3,X2))),divide(divide(X3,X4),divide(X5,X4))),X6),multiply(X7,X6))),X5) = X7,
    inference(forward_demodulation,[status(thm)],[f5,f64]) ).

fof(f192,plain,
    ! [X0,X1,X2,X3] : X0 = inverse(divide(divide(divide(X1,X2),X3),divide(divide(X0,divide(X2,X1)),X3))),
    inference(paramodulation,[status(thm)],[f4,f12]) ).

fof(f248,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : divide(inverse(divide(divide(divide(X0,X1),divide(X2,X3)),X4)),divide(X1,X0)) = divide(inverse(divide(divide(divide(X5,X6),divide(X2,X3)),X4)),divide(X6,X5)),
    inference(paramodulation,[status(thm)],[f12,f12]) ).

fof(f321,plain,
    ! [X0,X1,X2,X3,X4] : divide(divide(inverse(divide(divide(divide(X0,X1),divide(X2,X3)),X4)),divide(X1,X0)),divide(X2,X3)) = X4,
    inference(paramodulation,[status(thm)],[f12,f4]) ).

fof(f329,plain,
    ! [X0,X1,X2,X3] : X0 = inverse(divide(multiply(divide(X1,X2),X3),divide(divide(X0,divide(X2,X1)),inverse(X3)))),
    inference(paramodulation,[status(thm)],[f5,f192]) ).

fof(f330,plain,
    ! [X0,X1,X2,X3] : X0 = inverse(divide(multiply(divide(X1,X2),X3),multiply(divide(X0,divide(X2,X1)),X3))),
    inference(forward_demodulation,[status(thm)],[f5,f329]) ).

fof(f374,plain,
    ! [X0,X1,X2,X3] : X0 = inverse(divide(divide(divide(inverse(X1),X2),X3),divide(divide(X0,multiply(X2,X1)),X3))),
    inference(paramodulation,[status(thm)],[f5,f192]) ).

fof(f378,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(X0,multiply(divide(X1,X2),divide(divide(divide(X2,X1),X3),divide(divide(X4,X5),X3)))) = divide(X0,divide(X5,X4)),
    inference(paramodulation,[status(thm)],[f192,f10]) ).

fof(f425,plain,
    ! [X0,X1,X2,X3] : X0 = inverse(divide(multiply(divide(inverse(X1),X2),X3),multiply(divide(X0,multiply(X2,X1)),X3))),
    inference(paramodulation,[status(thm)],[f5,f330]) ).

fof(f708,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : inverse(divide(multiply(X0,X1),multiply(X2,X1))) = inverse(divide(divide(divide(inverse(divide(multiply(divide(X3,X4),X5),multiply(X0,X5))),divide(X4,X3)),X6),divide(X2,X6))),
    inference(paramodulation,[status(thm)],[f19,f374]) ).

fof(f709,plain,
    ! [X0,X1,X2,X3] : inverse(divide(multiply(X0,X1),multiply(X2,X1))) = inverse(divide(divide(X0,X3),divide(X2,X3))),
    inference(forward_demodulation,[status(thm)],[f8,f708]) ).

fof(f772,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : inverse(divide(multiply(X0,X1),multiply(X2,X1))) = inverse(divide(multiply(divide(inverse(divide(multiply(divide(X3,X4),X5),multiply(X0,X5))),divide(X4,X3)),X6),multiply(X2,X6))),
    inference(paramodulation,[status(thm)],[f19,f425]) ).

fof(f773,plain,
    ! [X0,X1,X2,X3] : inverse(divide(multiply(X0,X1),multiply(X2,X1))) = inverse(divide(multiply(X0,X3),multiply(X2,X3))),
    inference(forward_demodulation,[status(thm)],[f8,f772]) ).

fof(f5019,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : divide(divide(inverse(divide(divide(divide(X0,X1),X2),X3)),divide(X1,X0)),divide(divide(inverse(divide(divide(divide(X4,X5),divide(X6,X7)),X2)),divide(X5,X4)),divide(X6,X7))) = X3,
    inference(paramodulation,[status(thm)],[f321,f321]) ).

fof(f5020,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(divide(divide(divide(X0,X1),X2),X3)),divide(X1,X0)),X2) = X3,
    inference(forward_demodulation,[status(thm)],[f321,f5019]) ).

fof(f5297,plain,
    ! [X0,X1,X2,X3] : multiply(divide(inverse(divide(divide(divide(X0,X1),inverse(X2)),X3)),divide(X1,X0)),X2) = X3,
    inference(paramodulation,[status(thm)],[f5,f5020]) ).

fof(f5298,plain,
    ! [X0,X1,X2,X3] : multiply(divide(inverse(divide(multiply(divide(X0,X1),X2),X3)),divide(X1,X0)),X2) = X3,
    inference(forward_demodulation,[status(thm)],[f5,f5297]) ).

fof(f5306,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(multiply(divide(divide(X0,X1),X2),X3)),divide(X1,X0)),X2) = inverse(X3),
    inference(paramodulation,[status(thm)],[f5,f5020]) ).

fof(f9122,plain,
    ! [X0,X1,X2,X3] : multiply(divide(inverse(multiply(multiply(divide(X0,X1),X2),X3)),divide(X1,X0)),X2) = inverse(X3),
    inference(paramodulation,[status(thm)],[f5,f5298]) ).

fof(f9192,plain,
    ! [X0,X1,X2,X3] : multiply(divide(inverse(divide(multiply(multiply(X0,X1),X2),X3)),divide(inverse(X1),X0)),X2) = X3,
    inference(paramodulation,[status(thm)],[f5,f5298]) ).

fof(f9522,plain,
    ! [X0,X1,X2,X3,X4] : divide(divide(inverse(divide(inverse(X0),X1)),divide(divide(X2,X3),inverse(multiply(divide(divide(X3,X2),X4),X0)))),X4) = X1,
    inference(paramodulation,[status(thm)],[f5306,f5020]) ).

fof(f9523,plain,
    ! [X0,X1,X2,X3,X4] : divide(divide(inverse(divide(inverse(X0),X1)),multiply(divide(X2,X3),multiply(divide(divide(X3,X2),X4),X0))),X4) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f9522]) ).

fof(f11063,plain,
    ! [X0,X1,X2,X3,X4] : X0 = inverse(divide(inverse(X1),multiply(divide(X0,multiply(divide(X2,X3),multiply(multiply(divide(X3,X2),X4),X1))),X4))),
    inference(paramodulation,[status(thm)],[f9122,f425]) ).

fof(f11248,plain,
    ! [X0,X1,X2,X3] : multiply(divide(inverse(divide(multiply(multiply(inverse(X0),X1),X2),X3)),multiply(inverse(X1),X0)),X2) = X3,
    inference(paramodulation,[status(thm)],[f5,f9192]) ).

fof(f62207,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : multiply(divide(inverse(divide(multiply(multiply(inverse(X0),X1),X2),divide(X3,X4))),multiply(inverse(X1),X0)),X2) = multiply(divide(X5,X6),divide(divide(divide(X6,X5),X7),divide(divide(X4,X3),X7))),
    inference(paramodulation,[status(thm)],[f378,f11248]) ).

fof(f62208,plain,
    ! [X0,X1,X2,X3,X4] : divide(X0,X1) = multiply(divide(X2,X3),divide(divide(divide(X3,X2),X4),divide(divide(X1,X0),X4))),
    inference(forward_demodulation,[status(thm)],[f11248,f62207]) ).

fof(f63227,plain,
    ! [X0,X1,X2,X3,X4] : divide(X0,X1) = multiply(multiply(X2,X3),divide(divide(divide(inverse(X3),X2),X4),divide(divide(X1,X0),X4))),
    inference(paramodulation,[status(thm)],[f5,f62208]) ).

fof(f70469,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8,X9] : divide(inverse(divide(divide(X0,X1),multiply(X2,divide(divide(divide(inverse(divide(divide(X3,X4),divide(X5,X4))),multiply(divide(X6,X7),divide(divide(divide(X7,X6),X8),divide(X3,X8)))),X9),divide(divide(X1,X0),X9))))),X5) = X2,
    inference(paramodulation,[status(thm)],[f63227,f65]) ).

fof(f70470,plain,
    ! [X0,X1,X2,X3,X4] : divide(inverse(divide(divide(X0,X1),multiply(X2,divide(divide(X3,X4),divide(divide(X1,X0),X4))))),X3) = X2,
    inference(forward_demodulation,[status(thm)],[f10,f70469]) ).

fof(f77958,plain,
    ! [X0,X1,X2,X3] : divide(inverse(divide(divide(X0,X1),divide(X0,X1))),divide(X2,X3)) = divide(X3,X2),
    inference(paramodulation,[status(thm)],[f62208,f70470]) ).

fof(f79085,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : divide(inverse(divide(X0,divide(divide(inverse(divide(inverse(X1),X0)),multiply(divide(X2,X3),multiply(divide(divide(X3,X2),X4),X1))),X4))),divide(X5,X6)) = divide(X6,X5),
    inference(paramodulation,[status(thm)],[f9523,f77958]) ).

fof(f79086,plain,
    ! [X0,X1,X2] : divide(inverse(divide(X0,X0)),divide(X1,X2)) = divide(X2,X1),
    inference(forward_demodulation,[status(thm)],[f9523,f79085]) ).

fof(f80517,plain,
    ! [X0,X1,X2,X3] : divide(inverse(divide(X0,X0)),divide(X1,X2)) = divide(divide(X2,X1),inverse(divide(X3,X3))),
    inference(paramodulation,[status(thm)],[f79086,f79086]) ).

fof(f80518,plain,
    ! [X0,X1,X2] : divide(X0,X1) = divide(divide(X0,X1),inverse(divide(X2,X2))),
    inference(forward_demodulation,[status(thm)],[f79086,f80517]) ).

fof(f80519,plain,
    ! [X0,X1,X2] : divide(X0,X1) = multiply(divide(X0,X1),divide(X2,X2)),
    inference(forward_demodulation,[status(thm)],[f5,f80518]) ).

fof(f80520,plain,
    ! [X0,X1,X2] : divide(inverse(divide(X0,X0)),multiply(X1,X2)) = divide(inverse(X2),X1),
    inference(paramodulation,[status(thm)],[f5,f79086]) ).

fof(f81216,plain,
    ! [X0,X1,X2,X3] : divide(inverse(multiply(multiply(divide(X0,X1),divide(X2,X2)),X3)),divide(X1,X0)) = inverse(X3),
    inference(paramodulation,[status(thm)],[f9122,f80519]) ).

fof(f81217,plain,
    ! [X0,X1,X2] : divide(inverse(multiply(divide(X0,X1),X2)),divide(X1,X0)) = inverse(X2),
    inference(forward_demodulation,[status(thm)],[f80519,f81216]) ).

fof(f81226,plain,
    ! [X0,X1,X2,X3] : divide(inverse(divide(multiply(divide(X0,X1),divide(X2,X2)),X3)),divide(X1,X0)) = X3,
    inference(paramodulation,[status(thm)],[f5298,f80519]) ).

fof(f81227,plain,
    ! [X0,X1,X2] : divide(inverse(divide(divide(X0,X1),X2)),divide(X1,X0)) = X2,
    inference(forward_demodulation,[status(thm)],[f80519,f81226]) ).

fof(f81249,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(divide(inverse(divide(inverse(X0),X1)),multiply(divide(X2,X3),multiply(divide(divide(X3,X2),X4),X0))),X4) = multiply(X1,divide(X5,X5)),
    inference(paramodulation,[status(thm)],[f9523,f80519]) ).

fof(f81250,plain,
    ! [X0,X1] : X0 = multiply(X0,divide(X1,X1)),
    inference(forward_demodulation,[status(thm)],[f9523,f81249]) ).

fof(f81452,plain,
    ! [X0,X1,X2,X3] : X0 = inverse(divide(divide(inverse(X1),X2),multiply(divide(X0,multiply(X2,X1)),divide(X3,X3)))),
    inference(paramodulation,[status(thm)],[f80519,f425]) ).

fof(f81453,plain,
    ! [X0,X1,X2] : X0 = inverse(divide(divide(inverse(X1),X2),divide(X0,multiply(X2,X1)))),
    inference(forward_demodulation,[status(thm)],[f80519,f81452]) ).

fof(f82978,plain,
    ! [X0,X1] : X0 = multiply(X0,multiply(inverse(X1),X1)),
    inference(paramodulation,[status(thm)],[f5,f81250]) ).

fof(f83409,plain,
    ! [X0,X1,X2,X3] : inverse(divide(multiply(X0,X1),multiply(X2,X1))) = inverse(divide(multiply(X0,divide(X3,X3)),X2)),
    inference(paramodulation,[status(thm)],[f81250,f773]) ).

fof(f83410,plain,
    ! [X0,X1,X2] : inverse(divide(multiply(X0,X1),multiply(X2,X1))) = inverse(divide(X0,X2)),
    inference(forward_demodulation,[status(thm)],[f81250,f83409]) ).

fof(f83417,plain,
    ! [X0,X1,X2,X3] : inverse(divide(multiply(X0,divide(X1,X1)),X2)) = inverse(divide(divide(X0,X3),divide(X2,X3))),
    inference(paramodulation,[status(thm)],[f81250,f709]) ).

fof(f83418,plain,
    ! [X0,X1,X2] : inverse(divide(X0,X1)) = inverse(divide(divide(X0,X2),divide(X1,X2))),
    inference(forward_demodulation,[status(thm)],[f81250,f83417]) ).

fof(f205944,plain,
    ! [X0,X1,X2,X3,X4] : inverse(divide(X0,X0)) = inverse(divide(inverse(X1),multiply(divide(inverse(multiply(multiply(divide(X2,X3),X4),X1)),divide(X3,X2)),X4))),
    inference(paramodulation,[status(thm)],[f80520,f11063]) ).

fof(f205945,plain,
    ! [X0,X1] : inverse(divide(X0,X0)) = inverse(divide(inverse(X1),inverse(X1))),
    inference(forward_demodulation,[status(thm)],[f9122,f205944]) ).

fof(f205946,plain,
    ! [X0,X1] : inverse(divide(X0,X0)) = inverse(multiply(inverse(X1),X1)),
    inference(forward_demodulation,[status(thm)],[f5,f205945]) ).

fof(f208759,plain,
    ! [X0,X1] : inverse(divide(X0,X0)) = inverse(inverse(divide(X1,X1))),
    inference(paramodulation,[status(thm)],[f81250,f205946]) ).

fof(f212692,plain,
    ! [X0,X1] : inverse(multiply(inverse(X0),X0)) = inverse(inverse(divide(X1,X1))),
    inference(paramodulation,[status(thm)],[f205946,f208759]) ).

fof(f251623,plain,
    ! [X0,X1,X2,X3] : inverse(divide(inverse(divide(X0,X0)),X1)) = inverse(divide(divide(inverse(X2),X3),divide(X1,multiply(X3,X2)))),
    inference(paramodulation,[status(thm)],[f80520,f83418]) ).

fof(f251624,plain,
    ! [X0,X1] : inverse(divide(inverse(divide(X0,X0)),X1)) = X1,
    inference(forward_demodulation,[status(thm)],[f81453,f251623]) ).

fof(f251853,plain,
    ! [X0,X1,X2,X3,X4,X5] : inverse(divide(inverse(divide(divide(divide(X0,X1),divide(X2,X3)),divide(divide(X4,X5),divide(X2,X3)))),divide(X1,X0))) = divide(X5,X4),
    inference(paramodulation,[status(thm)],[f248,f251624]) ).

fof(f251854,plain,
    ! [X0,X1,X2,X3] : inverse(divide(inverse(divide(divide(X0,X1),divide(X2,X3))),divide(X1,X0))) = divide(X3,X2),
    inference(forward_demodulation,[status(thm)],[f83418,f251853]) ).

fof(f251855,plain,
    ! [X0,X1] : inverse(divide(X0,X1)) = divide(X1,X0),
    inference(forward_demodulation,[status(thm)],[f81227,f251854]) ).

fof(f252047,plain,
    ! [X0,X1,X2] : divide(multiply(X0,X1),multiply(X2,X1)) = inverse(divide(X2,X0)),
    inference(backward_demodulation,[status(thm)],[f251855,f83410]) ).

fof(f252048,plain,
    ! [X0,X1,X2] : divide(multiply(X0,X1),multiply(X2,X1)) = divide(X0,X2),
    inference(forward_demodulation,[status(thm)],[f251855,f252047]) ).

fof(f252083,plain,
    ! [X0,X1] : inverse(multiply(inverse(X0),X0)) = inverse(divide(X1,X1)),
    inference(backward_demodulation,[status(thm)],[f251855,f212692]) ).

fof(f252084,plain,
    ! [X0,X1] : inverse(multiply(inverse(X0),X0)) = divide(X1,X1),
    inference(forward_demodulation,[status(thm)],[f251855,f252083]) ).

fof(f253463,plain,
    ! [X0,X1,X2] : multiply(X0,multiply(inverse(X1),X1)) = divide(X0,divide(X2,X2)),
    inference(paramodulation,[status(thm)],[f252084,f5]) ).

fof(f253464,plain,
    ! [X0,X1] : X0 = divide(X0,divide(X1,X1)),
    inference(forward_demodulation,[status(thm)],[f82978,f253463]) ).

fof(f253847,plain,
    ! [X0,X1] : inverse(X0) = divide(divide(X1,X1),X0),
    inference(paramodulation,[status(thm)],[f253464,f251855]) ).

fof(f254637,plain,
    ! [X0,X1,X2] : divide(inverse(multiply(divide(X0,divide(X1,X1)),X2)),inverse(X0)) = inverse(X2),
    inference(paramodulation,[status(thm)],[f253847,f81217]) ).

fof(f254638,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(divide(X0,divide(X1,X1)),X2)),X0) = inverse(X2),
    inference(forward_demodulation,[status(thm)],[f5,f254637]) ).

fof(f254639,plain,
    ! [X0,X1] : multiply(inverse(multiply(X0,X1)),X0) = inverse(X1),
    inference(forward_demodulation,[status(thm)],[f253464,f254638]) ).

fof(f267584,plain,
    ! [X0,X1,X2] : divide(multiply(X0,X1),inverse(X2)) = divide(X0,inverse(multiply(X1,X2))),
    inference(paramodulation,[status(thm)],[f254639,f252048]) ).

fof(f267585,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X1),X2) = divide(X0,inverse(multiply(X1,X2))),
    inference(forward_demodulation,[status(thm)],[f5,f267584]) ).

fof(f267586,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X1),X2) = multiply(X0,multiply(X1,X2)),
    inference(forward_demodulation,[status(thm)],[f5,f267585]) ).

fof(f275660,plain,
    multiply(a3,multiply(b3,c3)) != multiply(a3,multiply(b3,c3)),
    inference(backward_demodulation,[status(thm)],[f267586,f6]) ).

fof(f275661,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f275660]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.10  % Problem  : GRP477-1 : TPTP v8.1.2. Released v2.6.0.
% 0.05/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.10/0.30  % Computer : n001.cluster.edu
% 0.10/0.30  % Model    : x86_64 x86_64
% 0.10/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.30  % Memory   : 8042.1875MB
% 0.10/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.30  % CPULimit : 300
% 0.10/0.30  % WCLimit  : 300
% 0.10/0.30  % DateTime : Tue May 30 12:01:30 EDT 2023
% 0.10/0.30  % CPUTime  : 
% 0.10/0.31  % Drodi V3.5.1
% 190.35/24.37  % Refutation found
% 190.35/24.37  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 190.35/24.37  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 193.17/24.76  % Elapsed time: 24.426058 seconds
% 193.17/24.76  % CPU time: 192.372238 seconds
% 193.17/24.76  % Memory used: 1.941 GB
%------------------------------------------------------------------------------