TSTP Solution File: GRP072-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP072-1 : TPTP v8.1.2. Bugfixed v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n005.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 20:19:09 EDT 2024

% Result   : Unsatisfiable 45.43s 6.11s
% Output   : CNFRefutation 46.63s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   39
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   99 (  84 unt;   0 def)
%            Number of atoms       :  117 (  95 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   33 (  15   ~;  15   |;   0   &)
%                                         (   3 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of predicates  :    5 (   3 usr;   4 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   7 con; 0-2 aty)
%            Number of variables   :  336 ( 336   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X,Y,Z,U] : divide(divide(inverse(divide(X,Y)),divide(divide(Z,U),X)),divide(U,Z)) = Y,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).

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

fof(f3,negated_conjecture,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | multiply(multiply(inverse(b2),b2),a2) != a2
    | 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(divide(inverse(divide(X0,X1)),divide(divide(X2,X3),X0)),divide(X3,X2)) = X1,
    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(inverse(a1),a1) != multiply(inverse(b1),b1)
    | multiply(multiply(inverse(b2),b2),a2) != a2
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) ),
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f7,plain,
    ( spl0_0
  <=> multiply(inverse(a1),a1) = multiply(inverse(b1),b1) ),
    introduced(split_symbol_definition) ).

fof(f9,plain,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f7]) ).

fof(f10,plain,
    ( spl0_1
  <=> multiply(multiply(inverse(b2),b2),a2) = a2 ),
    introduced(split_symbol_definition) ).

fof(f12,plain,
    ( multiply(multiply(inverse(b2),b2),a2) != a2
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f10]) ).

fof(f13,plain,
    ( spl0_2
  <=> multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3)) ),
    introduced(split_symbol_definition) ).

fof(f15,plain,
    ( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f13]) ).

fof(f16,plain,
    ( ~ spl0_0
    | ~ spl0_1
    | ~ spl0_2 ),
    inference(split_clause,[status(thm)],[f6,f7,f10,f13]) ).

fof(f17,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(divide(inverse(X0),divide(divide(X1,X2),divide(inverse(divide(X3,X0)),divide(divide(X4,X5),X3)))),divide(X2,X1)) = divide(X5,X4),
    inference(paramodulation,[status(thm)],[f4,f4]) ).

fof(f18,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(multiply(X0,X1)),divide(divide(X2,X3),X0)),divide(X3,X2)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f5,f4]) ).

fof(f21,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(divide(inverse(X0),X1)),multiply(divide(X2,X3),X0)),divide(X3,X2)) = X1,
    inference(paramodulation,[status(thm)],[f5,f4]) ).

fof(f31,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(multiply(inverse(X0),X1)),multiply(divide(X2,X3),X0)),divide(X3,X2)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f5,f18]) ).

fof(f39,plain,
    ! [X0,X1,X2,X3,X4] : divide(divide(inverse(divide(divide(X0,X1),X2)),inverse(X3)),divide(divide(divide(X1,X0),X4),inverse(multiply(X4,X3)))) = X2,
    inference(paramodulation,[status(thm)],[f18,f4]) ).

fof(f40,plain,
    ! [X0,X1,X2,X3,X4] : divide(multiply(inverse(divide(divide(X0,X1),X2)),X3),divide(divide(divide(X1,X0),X4),inverse(multiply(X4,X3)))) = X2,
    inference(forward_demodulation,[status(thm)],[f5,f39]) ).

fof(f41,plain,
    ! [X0,X1,X2,X3,X4] : divide(multiply(inverse(divide(divide(X0,X1),X2)),X3),multiply(divide(divide(X1,X0),X4),multiply(X4,X3))) = X2,
    inference(forward_demodulation,[status(thm)],[f5,f40]) ).

fof(f50,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(divide(inverse(X0),X1)),multiply(multiply(X2,X3),X0)),divide(inverse(X3),X2)) = X1,
    inference(paramodulation,[status(thm)],[f5,f21]) ).

fof(f51,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(divide(inverse(divide(inverse(X0),X1)),multiply(divide(divide(X2,X3),divide(inverse(multiply(X4,X5)),divide(divide(X3,X2),X4))),X0)),inverse(X5)) = X1,
    inference(paramodulation,[status(thm)],[f18,f21]) ).

fof(f52,plain,
    ! [X0,X1,X2,X3,X4,X5] : multiply(divide(inverse(divide(inverse(X0),X1)),multiply(divide(divide(X2,X3),divide(inverse(multiply(X4,X5)),divide(divide(X3,X2),X4))),X0)),X5) = X1,
    inference(forward_demodulation,[status(thm)],[f5,f51]) ).

fof(f65,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(divide(inverse(X0),inverse(X1)),divide(divide(divide(divide(divide(X2,X3),X4),inverse(divide(X4,X0))),X5),inverse(multiply(X5,X1)))) = divide(X3,X2),
    inference(paramodulation,[status(thm)],[f18,f17]) ).

fof(f66,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(multiply(inverse(X0),X1),divide(divide(divide(divide(divide(X2,X3),X4),inverse(divide(X4,X0))),X5),inverse(multiply(X5,X1)))) = divide(X3,X2),
    inference(forward_demodulation,[status(thm)],[f5,f65]) ).

fof(f67,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(multiply(inverse(X0),X1),multiply(divide(divide(divide(divide(X2,X3),X4),inverse(divide(X4,X0))),X5),multiply(X5,X1))) = divide(X3,X2),
    inference(forward_demodulation,[status(thm)],[f5,f66]) ).

fof(f68,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(multiply(inverse(X0),X1),multiply(divide(multiply(divide(divide(X2,X3),X4),divide(X4,X0)),X5),multiply(X5,X1))) = divide(X3,X2),
    inference(forward_demodulation,[status(thm)],[f5,f67]) ).

fof(f85,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : divide(divide(inverse(divide(X0,X1)),divide(divide(X2,X3),divide(inverse(X4),divide(divide(X5,X6),divide(inverse(divide(X7,X4)),divide(divide(X1,X0),X7)))))),divide(X3,X2)) = divide(X6,X5),
    inference(paramodulation,[status(thm)],[f4,f17]) ).

fof(f88,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : divide(divide(inverse(X0),divide(divide(X1,X2),divide(inverse(divide(divide(X3,X4),X0)),inverse(X5)))),divide(X2,X1)) = divide(divide(divide(X4,X3),X6),inverse(multiply(X6,X5))),
    inference(paramodulation,[status(thm)],[f18,f17]) ).

fof(f89,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : divide(divide(inverse(X0),divide(divide(X1,X2),multiply(inverse(divide(divide(X3,X4),X0)),X5))),divide(X2,X1)) = divide(divide(divide(X4,X3),X6),inverse(multiply(X6,X5))),
    inference(forward_demodulation,[status(thm)],[f5,f88]) ).

fof(f90,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : divide(divide(inverse(X0),divide(divide(X1,X2),multiply(inverse(divide(divide(X3,X4),X0)),X5))),divide(X2,X1)) = multiply(divide(divide(X4,X3),X6),multiply(X6,X5)),
    inference(forward_demodulation,[status(thm)],[f5,f89]) ).

fof(f101,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8,X9] : divide(divide(inverse(X0),divide(divide(X1,X2),divide(inverse(divide(X3,X0)),divide(divide(X4,X5),X3)))),divide(X2,X1)) = divide(divide(X6,X7),divide(inverse(X8),divide(divide(X7,X6),divide(inverse(divide(X9,X8)),divide(divide(X5,X4),X9))))),
    inference(paramodulation,[status(thm)],[f17,f17]) ).

fof(f102,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(X0,X1) = divide(divide(X2,X3),divide(inverse(X4),divide(divide(X3,X2),divide(inverse(divide(X5,X4)),divide(divide(X0,X1),X5))))),
    inference(forward_demodulation,[status(thm)],[f17,f101]) ).

fof(f190,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(multiply(inverse(X0),X1)),multiply(multiply(X2,X3),X0)),divide(inverse(X3),X2)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f5,f31]) ).

fof(f316,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(divide(inverse(X0),X1)),multiply(multiply(inverse(X2),X3),X0)),multiply(inverse(X3),X2)) = X1,
    inference(paramodulation,[status(thm)],[f5,f50]) ).

fof(f737,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(multiply(inverse(divide(divide(divide(divide(X0,X1),X2),inverse(divide(X2,X3))),X4)),X5),multiply(X3,multiply(divide(X1,X0),X5))) = X4,
    inference(paramodulation,[status(thm)],[f4,f41]) ).

fof(f738,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(multiply(inverse(divide(multiply(divide(divide(X0,X1),X2),divide(X2,X3)),X4)),X5),multiply(X3,multiply(divide(X1,X0),X5))) = X4,
    inference(forward_demodulation,[status(thm)],[f5,f737]) ).

fof(f789,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(multiply(inverse(X0),X1)),multiply(multiply(inverse(X2),X3),X0)),multiply(inverse(X3),X2)) = inverse(X1),
    inference(paramodulation,[status(thm)],[f5,f190]) ).

fof(f9690,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8,X9] : divide(multiply(inverse(X0),X1),multiply(divide(multiply(divide(divide(X2,X3),X4),divide(X4,X0)),X5),multiply(X5,X1))) = divide(multiply(divide(multiply(divide(divide(X3,X2),X6),divide(X6,X7)),X8),multiply(X8,X9)),multiply(inverse(X7),X9)),
    inference(paramodulation,[status(thm)],[f68,f68]) ).

fof(f9691,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(X0,X1) = divide(multiply(divide(multiply(divide(divide(X0,X1),X2),divide(X2,X3)),X4),multiply(X4,X5)),multiply(inverse(X3),X5)),
    inference(forward_demodulation,[status(thm)],[f68,f9690]) ).

fof(f22335,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7,X8,X9] : divide(multiply(inverse(divide(multiply(divide(divide(X0,X1),X2),divide(X2,X3)),X4)),X5),multiply(X3,multiply(divide(X1,X0),X5))) = divide(multiply(divide(multiply(divide(X4,X6),divide(X6,X7)),X8),multiply(X8,X9)),multiply(inverse(X7),X9)),
    inference(paramodulation,[status(thm)],[f738,f9691]) ).

fof(f22336,plain,
    ! [X0,X1,X2,X3,X4] : X0 = divide(multiply(divide(multiply(divide(X0,X1),divide(X1,X2)),X3),multiply(X3,X4)),multiply(inverse(X2),X4)),
    inference(forward_demodulation,[status(thm)],[f738,f22335]) ).

fof(f23191,plain,
    ! [X0,X1,X2,X3,X4] : multiply(divide(divide(X0,X1),X2),multiply(X2,X3)) = multiply(divide(divide(X0,X1),X4),multiply(X4,X3)),
    inference(paramodulation,[status(thm)],[f90,f90]) ).

fof(f25279,plain,
    ! [X0,X1,X2,X3,X4,X5,X6,X7] : multiply(divide(X0,X1),multiply(X1,X2)) = multiply(divide(divide(multiply(divide(multiply(divide(X0,X3),divide(X3,X4)),X5),multiply(X5,X6)),multiply(inverse(X4),X6)),X7),multiply(X7,X2)),
    inference(paramodulation,[status(thm)],[f22336,f23191]) ).

fof(f25280,plain,
    ! [X0,X1,X2,X3] : multiply(divide(X0,X1),multiply(X1,X2)) = multiply(divide(X0,X3),multiply(X3,X2)),
    inference(forward_demodulation,[status(thm)],[f22336,f25279]) ).

fof(f25948,plain,
    ! [X0,X1,X2,X3] : multiply(multiply(X0,X1),multiply(inverse(X1),X2)) = multiply(divide(X0,X3),multiply(X3,X2)),
    inference(paramodulation,[status(thm)],[f5,f25280]) ).

fof(f34650,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(divide(X0,X1)),divide(X1,X0)),divide(X2,X3)) = divide(X3,X2),
    inference(paramodulation,[status(thm)],[f102,f85]) ).

fof(f43060,plain,
    ! [X0,X1,X2,X3,X4,X5] : divide(divide(inverse(divide(X0,X1)),divide(X1,X0)),divide(X2,X3)) = divide(divide(X3,X2),divide(inverse(divide(X4,X5)),divide(X5,X4))),
    inference(paramodulation,[status(thm)],[f34650,f34650]) ).

fof(f43061,plain,
    ! [X0,X1,X2,X3] : divide(X0,X1) = divide(divide(X0,X1),divide(inverse(divide(X2,X3)),divide(X3,X2))),
    inference(forward_demodulation,[status(thm)],[f34650,f43060]) ).

fof(f43713,plain,
    ! [X0,X1,X2,X3,X4,X5,X6] : divide(multiply(divide(multiply(divide(X0,X1),divide(X1,X2)),X3),multiply(X3,X4)),multiply(inverse(X2),X4)) = divide(X0,divide(inverse(divide(X5,X6)),divide(X6,X5))),
    inference(paramodulation,[status(thm)],[f22336,f43061]) ).

fof(f43714,plain,
    ! [X0,X1,X2] : X0 = divide(X0,divide(inverse(divide(X1,X2)),divide(X2,X1))),
    inference(forward_demodulation,[status(thm)],[f22336,f43713]) ).

fof(f44778,plain,
    ! [X0,X1,X2] : X0 = divide(X0,inverse(divide(divide(X1,X2),inverse(divide(X2,X1))))),
    inference(paramodulation,[status(thm)],[f43714,f43714]) ).

fof(f44779,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,divide(divide(X1,X2),inverse(divide(X2,X1)))),
    inference(forward_demodulation,[status(thm)],[f5,f44778]) ).

fof(f44780,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,multiply(divide(X1,X2),divide(X2,X1))),
    inference(forward_demodulation,[status(thm)],[f5,f44779]) ).

fof(f45756,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,multiply(multiply(X1,X2),divide(inverse(X2),X1))),
    inference(paramodulation,[status(thm)],[f5,f44780]) ).

fof(f45862,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,multiply(divide(inverse(X1),X2),multiply(X2,X1))),
    inference(paramodulation,[status(thm)],[f5,f44780]) ).

fof(f45898,plain,
    ! [X0,X1,X2,X3,X4] : multiply(multiply(X0,X1),inverse(X1)) = multiply(divide(X0,X2),multiply(X2,multiply(divide(X3,X4),divide(X4,X3)))),
    inference(paramodulation,[status(thm)],[f44780,f25948]) ).

fof(f45899,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X1),inverse(X1)) = multiply(divide(X0,X2),X2),
    inference(forward_demodulation,[status(thm)],[f44780,f45898]) ).

fof(f46039,plain,
    ! [X0,X1,X2,X3,X4] : multiply(divide(X0,X1),multiply(X1,multiply(divide(X2,X3),divide(X3,X2)))) = multiply(divide(X0,X4),X4),
    inference(paramodulation,[status(thm)],[f44780,f25280]) ).

fof(f46040,plain,
    ! [X0,X1,X2] : multiply(divide(X0,X1),X1) = multiply(divide(X0,X2),X2),
    inference(forward_demodulation,[status(thm)],[f44780,f46039]) ).

fof(f48259,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,divide(inverse(divide(X1,X2)),divide(X2,X1))),
    inference(paramodulation,[status(thm)],[f44780,f45862]) ).

fof(f48884,plain,
    ! [X0,X1,X2,X3] : divide(X0,divide(inverse(divide(X1,X2)),divide(X2,X1))) = multiply(multiply(X0,X3),inverse(X3)),
    inference(paramodulation,[status(thm)],[f45899,f48259]) ).

fof(f48885,plain,
    ! [X0,X1] : X0 = multiply(multiply(X0,X1),inverse(X1)),
    inference(forward_demodulation,[status(thm)],[f43714,f48884]) ).

fof(f48886,plain,
    ! [X0,X1,X2,X3] : divide(X0,divide(inverse(divide(X1,X2)),divide(X2,X1))) = multiply(divide(X0,X3),X3),
    inference(paramodulation,[status(thm)],[f46040,f48259]) ).

fof(f48887,plain,
    ! [X0,X1] : X0 = multiply(divide(X0,X1),X1),
    inference(forward_demodulation,[status(thm)],[f43714,f48886]) ).

fof(f49443,plain,
    ! [X0,X1,X2] : X0 = divide(X0,multiply(divide(X1,X2),divide(X2,X1))),
    inference(paramodulation,[status(thm)],[f44780,f48887]) ).

fof(f49674,plain,
    ! [X0,X1] : divide(X0,X1) = multiply(X0,inverse(X1)),
    inference(paramodulation,[status(thm)],[f48887,f48885]) ).

fof(f51659,plain,
    ! [X0,X1] : X0 = divide(multiply(X0,X1),X1),
    inference(backward_demodulation,[status(thm)],[f49674,f48885]) ).

fof(f51739,plain,
    ! [X0,X1,X2,X3] : divide(divide(inverse(divide(inverse(X0),X1)),multiply(multiply(inverse(X2),X3),X0)),multiply(inverse(X3),X2)) = inverse(inverse(X1)),
    inference(paramodulation,[status(thm)],[f49674,f789]) ).

fof(f51740,plain,
    ! [X0] : X0 = inverse(inverse(X0)),
    inference(forward_demodulation,[status(thm)],[f316,f51739]) ).

fof(f61167,plain,
    ! [X0,X1,X2,X3,X4] : multiply(inverse(divide(inverse(divide(divide(inverse(multiply(X0,X1)),divide(divide(X2,X3),X0)),divide(X3,X2))),X4)),X1) = X4,
    inference(paramodulation,[status(thm)],[f49443,f52]) ).

fof(f61168,plain,
    ! [X0,X1] : multiply(inverse(divide(inverse(inverse(X0)),X1)),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f18,f61167]) ).

fof(f61169,plain,
    ! [X0,X1] : multiply(inverse(divide(X0,X1)),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f51740,f61168]) ).

fof(f61805,plain,
    ! [X0,X1] : multiply(inverse(X0),multiply(X0,X1)) = X1,
    inference(paramodulation,[status(thm)],[f51659,f61169]) ).

fof(f62130,plain,
    ! [X0,X1] : multiply(X0,multiply(inverse(X0),X1)) = X1,
    inference(paramodulation,[status(thm)],[f51740,f61805]) ).

fof(f62216,plain,
    ! [X0,X1] : inverse(X0) = divide(X1,multiply(X0,X1)),
    inference(paramodulation,[status(thm)],[f61805,f51659]) ).

fof(f63323,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,multiply(inverse(X1),multiply(multiply(X1,inverse(X2)),X2))),
    inference(paramodulation,[status(thm)],[f62216,f45862]) ).

fof(f63324,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,multiply(inverse(X1),multiply(divide(X1,X2),X2))),
    inference(forward_demodulation,[status(thm)],[f49674,f63323]) ).

fof(f63325,plain,
    ! [X0,X1] : X0 = multiply(X0,multiply(inverse(X1),X1)),
    inference(forward_demodulation,[status(thm)],[f48887,f63324]) ).

fof(f63326,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,multiply(multiply(multiply(X1,inverse(X2)),X2),inverse(X1))),
    inference(paramodulation,[status(thm)],[f62216,f45756]) ).

fof(f63327,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,divide(multiply(multiply(X1,inverse(X2)),X2),X1)),
    inference(forward_demodulation,[status(thm)],[f49674,f63326]) ).

fof(f63328,plain,
    ! [X0,X1,X2] : X0 = multiply(X0,divide(multiply(divide(X1,X2),X2),X1)),
    inference(forward_demodulation,[status(thm)],[f49674,f63327]) ).

fof(f63329,plain,
    ! [X0,X1] : X0 = multiply(X0,divide(X1,X1)),
    inference(forward_demodulation,[status(thm)],[f48887,f63328]) ).

fof(f63542,plain,
    ! [X0,X1] : multiply(X0,inverse(X0)) = divide(X1,X1),
    inference(paramodulation,[status(thm)],[f63329,f62130]) ).

fof(f63543,plain,
    ! [X0,X1] : divide(X0,X0) = divide(X1,X1),
    inference(forward_demodulation,[status(thm)],[f49674,f63542]) ).

fof(f64075,plain,
    ! [X0,X1] : X0 = multiply(divide(X1,X1),X0),
    inference(paramodulation,[status(thm)],[f63543,f48887]) ).

fof(f64289,plain,
    ! [X0,X1,X2] : multiply(X0,X1) = multiply(divide(X0,X2),multiply(X2,X1)),
    inference(paramodulation,[status(thm)],[f25280,f64075]) ).

fof(f65525,plain,
    ! [X0,X1] : multiply(inverse(X0),X0) = multiply(inverse(X1),X1),
    inference(paramodulation,[status(thm)],[f63325,f61805]) ).

fof(f76984,plain,
    ! [X0,X1,X2] : multiply(multiply(X0,X1),X2) = multiply(X0,multiply(X1,X2)),
    inference(paramodulation,[status(thm)],[f51659,f64289]) ).

fof(f99979,plain,
    ( multiply(a3,multiply(b3,c3)) != multiply(a3,multiply(b3,c3))
    | spl0_2 ),
    inference(backward_demodulation,[status(thm)],[f76984,f15]) ).

fof(f99980,plain,
    ( $false
    | spl0_2 ),
    inference(trivial_equality_resolution,[status(esa)],[f99979]) ).

fof(f99981,plain,
    spl0_2,
    inference(contradiction_clause,[status(thm)],[f99980]) ).

fof(f100051,plain,
    ( $false
    | spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f9,f65525]) ).

fof(f100052,plain,
    spl0_0,
    inference(contradiction_clause,[status(thm)],[f100051]) ).

fof(f100053,plain,
    ( multiply(inverse(b2),multiply(b2,a2)) != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f76984,f12]) ).

fof(f100054,plain,
    ( a2 != a2
    | spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f61805,f100053]) ).

fof(f100055,plain,
    ( $false
    | spl0_1 ),
    inference(trivial_equality_resolution,[status(esa)],[f100054]) ).

fof(f100056,plain,
    spl0_1,
    inference(contradiction_clause,[status(thm)],[f100055]) ).

fof(f100057,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f16,f99981,f100052,f100056]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP072-1 : TPTP v8.1.2. Bugfixed v2.3.0.
% 0.06/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.12/0.33  % Computer : n005.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  : 300
% 0.12/0.33  % DateTime : Tue Apr 30 00:18:41 EDT 2024
% 0.12/0.34  % CPUTime  : 
% 0.12/0.35  % Drodi V3.6.0
% 45.43/6.11  % Refutation found
% 45.43/6.11  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 45.43/6.11  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 47.13/6.31  % Elapsed time: 5.954841 seconds
% 47.13/6.31  % CPU time: 46.774087 seconds
% 47.13/6.31  % Total memory used: 1.061 GB
% 47.13/6.31  % Net memory used: 1.057 GB
%------------------------------------------------------------------------------