TSTP Solution File: GRP410-1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP410-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n007.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 20:20:20 EDT 2024

% Result   : Unsatisfiable 6.39s 1.18s
% Output   : CNFRefutation 6.64s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   62
%            Number of leaves      :    2
% Syntax   : Number of formulae    :  134 ( 134 unt;   0 def)
%            Number of atoms       :  134 ( 133 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    3 (   3   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :   18 (   3 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :  269 ( 269   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [A,B,C] : multiply(multiply(inverse(multiply(A,inverse(multiply(B,C)))),multiply(A,inverse(C))),inverse(multiply(inverse(C),C))) = B,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,negated_conjecture,
    multiply(multiply(inverse(b2),b2),a2) != a2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(multiply(X0,inverse(multiply(X1,X2)))),multiply(X0,inverse(X2))),inverse(multiply(inverse(X2),X2))) = X1,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f4,plain,
    multiply(multiply(inverse(b2),b2),a2) != a2,
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f5,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(X0),multiply(multiply(inverse(multiply(X1,inverse(multiply(X0,X2)))),multiply(X1,inverse(X2))),inverse(X2))),inverse(multiply(inverse(X2),X2))) = inverse(X2),
    inference(paramodulation,[status(thm)],[f3,f3]) ).

fof(f6,plain,
    ! [X0,X1,X2,X3] : multiply(multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,inverse(inverse(multiply(inverse(X2),X2))))),inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))) = multiply(inverse(multiply(X3,inverse(multiply(X1,X2)))),multiply(X3,inverse(X2))),
    inference(paramodulation,[status(thm)],[f3,f3]) ).

fof(f7,plain,
    ! [X0,X1,X2,X3] : multiply(multiply(inverse(multiply(multiply(inverse(multiply(X0,inverse(multiply(X1,X2)))),multiply(X0,inverse(X2))),inverse(multiply(X3,multiply(inverse(X2),X2))))),X1),inverse(multiply(inverse(multiply(inverse(X2),X2)),multiply(inverse(X2),X2)))) = X3,
    inference(paramodulation,[status(thm)],[f3,f3]) ).

fof(f10,plain,
    ! [X0,X1,X2,X3] : multiply(multiply(inverse(multiply(inverse(multiply(X0,inverse(multiply(X1,X2)))),multiply(X0,inverse(X2)))),multiply(multiply(inverse(multiply(X3,inverse(X1))),multiply(X3,inverse(inverse(multiply(inverse(X2),X2))))),inverse(inverse(multiply(inverse(X2),X2))))),inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))) = inverse(inverse(multiply(inverse(X2),X2))),
    inference(paramodulation,[status(thm)],[f3,f5]) ).

fof(f12,plain,
    ! [X0,X1,X2,X3] : multiply(multiply(inverse(X0),multiply(multiply(inverse(multiply(multiply(inverse(multiply(X1,inverse(multiply(X2,X3)))),multiply(X1,inverse(X3))),inverse(multiply(X0,multiply(inverse(X3),X3))))),X2),inverse(multiply(inverse(X3),X3)))),inverse(multiply(inverse(multiply(inverse(X3),X3)),multiply(inverse(X3),X3)))) = inverse(multiply(inverse(X3),X3)),
    inference(paramodulation,[status(thm)],[f3,f5]) ).

fof(f32,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,inverse(inverse(multiply(inverse(X2),X2))))),inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))) = multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2))),
    inference(equality_split,[status(esa)],[f6]) ).

fof(f33,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(X0,inverse(multiply(X1,X2)))),multiply(X0,inverse(X2))) = multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2))),
    inference(equality_split,[status(esa)],[f6]) ).

fof(f34,plain,
    ! [X0,X1] : X0 = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,inverse(multiply(inverse(X1),X1))),X1)))),multiply(b2,inverse(X1))),
    inference(paramodulation,[status(thm)],[f3,f32]) ).

fof(f51,plain,
    ! [X0,X1,X2,X3] : multiply(multiply(inverse(multiply(X0,inverse(multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2)))))),multiply(X0,inverse(inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))))),inverse(multiply(inverse(inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))),inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))))) = multiply(inverse(multiply(X3,inverse(X1))),multiply(X3,inverse(inverse(multiply(inverse(X2),X2))))),
    inference(paramodulation,[status(thm)],[f32,f3]) ).

fof(f52,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(b2,inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),inverse(multiply(inverse(X1),X1)))))),multiply(b2,inverse(inverse(multiply(inverse(X1),X1))))) = multiply(inverse(multiply(X2,inverse(X0))),multiply(X2,inverse(inverse(multiply(inverse(X1),X1))))),
    inference(forward_demodulation,[status(thm)],[f32,f51]) ).

fof(f53,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(b2,inverse(X0))),multiply(b2,inverse(inverse(multiply(inverse(X1),X1))))) = multiply(inverse(multiply(X2,inverse(X0))),multiply(X2,inverse(inverse(multiply(inverse(X1),X1))))),
    inference(forward_demodulation,[status(thm)],[f3,f52]) ).

fof(f66,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,inverse(multiply(b2,inverse(X2))))),inverse(multiply(inverse(multiply(b2,inverse(X2))),multiply(b2,inverse(X2))))) = inverse(multiply(b2,inverse(multiply(multiply(X1,inverse(multiply(inverse(X2),X2))),X2)))),
    inference(paramodulation,[status(thm)],[f34,f3]) ).

fof(f69,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,inverse(inverse(multiply(inverse(X2),X2))))) = multiply(inverse(multiply(X3,inverse(X1))),multiply(X3,inverse(inverse(multiply(inverse(X2),X2))))),
    inference(paramodulation,[status(thm)],[f53,f53]) ).

fof(f118,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,inverse(inverse(multiply(inverse(X2),X2))))) = multiply(inverse(multiply(b2,inverse(X1))),multiply(b2,inverse(inverse(multiply(inverse(X2),X2))))),
    inference(equality_split,[status(esa)],[f69]) ).

fof(f139,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),inverse(multiply(X2,multiply(inverse(X1),X1))))),X0),inverse(multiply(inverse(multiply(inverse(X1),X1)),multiply(inverse(X1),X1)))) = X2,
    inference(forward_demodulation,[status(thm)],[f33,f7]) ).

fof(f169,plain,
    ! [X0,X1,X2,X3] : multiply(multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,inverse(inverse(multiply(inverse(multiply(inverse(X2),X2)),multiply(inverse(X2),X2)))))),inverse(multiply(inverse(inverse(multiply(inverse(multiply(inverse(X2),X2)),multiply(inverse(X2),X2)))),inverse(multiply(inverse(multiply(inverse(X2),X2)),multiply(inverse(X2),X2)))))) = multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X3,X2)))),multiply(b2,inverse(X2))),inverse(multiply(X1,multiply(inverse(X2),X2))))),X3),
    inference(paramodulation,[status(thm)],[f139,f3]) ).

fof(f170,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(X1),X1))))),multiply(b2,inverse(multiply(inverse(X1),X1)))) = multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X2,X1)))),multiply(b2,inverse(X1))),inverse(multiply(X0,multiply(inverse(X1),X1))))),X2),
    inference(forward_demodulation,[status(thm)],[f32,f169]) ).

fof(f177,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1)))),multiply(multiply(inverse(multiply(X2,inverse(X0))),multiply(X2,inverse(inverse(multiply(inverse(X1),X1))))),inverse(inverse(multiply(inverse(X1),X1))))),inverse(multiply(inverse(inverse(multiply(inverse(X1),X1))),inverse(multiply(inverse(X1),X1))))) = inverse(inverse(multiply(inverse(X1),X1))),
    inference(forward_demodulation,[status(thm)],[f33,f10]) ).

fof(f178,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1)))),multiply(multiply(inverse(multiply(b2,inverse(X0))),multiply(b2,inverse(inverse(multiply(inverse(X1),X1))))),inverse(inverse(multiply(inverse(X1),X1))))),inverse(multiply(inverse(inverse(multiply(inverse(X1),X1))),inverse(multiply(inverse(X1),X1))))) = inverse(inverse(multiply(inverse(X1),X1))),
    inference(forward_demodulation,[status(thm)],[f118,f177]) ).

fof(f217,plain,
    ! [X0,X1] : X0 = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),inverse(multiply(inverse(X1),X1))),X1)))),
    inference(paramodulation,[status(thm)],[f3,f66]) ).

fof(f234,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,inverse(multiply(b2,inverse(X2))))) = multiply(inverse(multiply(b2,inverse(multiply(inverse(multiply(b2,inverse(multiply(multiply(X1,inverse(multiply(inverse(X2),X2))),X2)))),multiply(b2,inverse(X2)))))),multiply(b2,inverse(multiply(b2,inverse(X2))))),
    inference(paramodulation,[status(thm)],[f66,f34]) ).

fof(f235,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,inverse(multiply(b2,inverse(X2))))) = multiply(inverse(multiply(b2,inverse(X1))),multiply(b2,inverse(multiply(b2,inverse(X2))))),
    inference(forward_demodulation,[status(thm)],[f34,f234]) ).

fof(f440,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,X2)) = multiply(inverse(multiply(b2,inverse(X1))),multiply(b2,inverse(multiply(b2,inverse(multiply(multiply(multiply(X2,multiply(b2,inverse(X3))),inverse(multiply(inverse(X3),X3))),X3)))))),
    inference(paramodulation,[status(thm)],[f217,f235]) ).

fof(f441,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,X2)) = multiply(inverse(multiply(b2,inverse(X1))),multiply(b2,X2)),
    inference(forward_demodulation,[status(thm)],[f217,f440]) ).

fof(f541,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(X0),multiply(multiply(inverse(multiply(X1,inverse(multiply(X0,X2)))),multiply(X1,inverse(X2))),X3)) = multiply(inverse(multiply(b2,inverse(multiply(inverse(X2),X2)))),multiply(b2,X3)),
    inference(paramodulation,[status(thm)],[f3,f441]) ).

fof(f545,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(multiply(X0,X1)),multiply(X0,X2)) = multiply(inverse(multiply(b2,inverse(multiply(b2,inverse(multiply(multiply(multiply(X1,multiply(b2,inverse(X3))),inverse(multiply(inverse(X3),X3))),X3)))))),multiply(b2,X2)),
    inference(paramodulation,[status(thm)],[f217,f441]) ).

fof(f546,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(X0,X1)),multiply(X0,X2)) = multiply(inverse(multiply(b2,X1)),multiply(b2,X2)),
    inference(forward_demodulation,[status(thm)],[f217,f545]) ).

fof(f644,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(multiply(multiply(inverse(multiply(X0,inverse(multiply(X1,X2)))),multiply(X0,inverse(X2))),X3)),X1) = multiply(inverse(multiply(b2,X3)),multiply(b2,inverse(multiply(inverse(X2),X2)))),
    inference(paramodulation,[status(thm)],[f3,f546]) ).

fof(f649,plain,
    ! [X0,X1,X2,X3] : multiply(inverse(multiply(X0,X1)),multiply(X0,X2)) = multiply(inverse(multiply(X3,X1)),multiply(X3,X2)),
    inference(paramodulation,[status(thm)],[f546,f546]) ).

fof(f657,plain,
    ! [X0,X1,X2] : X0 = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(multiply(X1,X2)))),inverse(multiply(inverse(multiply(b2,X2)),multiply(b2,X2)))),multiply(X1,X2))))),
    inference(paramodulation,[status(thm)],[f546,f217]) ).

fof(f666,plain,
    ! [X0,X1,X2] : X0 = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,inverse(multiply(inverse(multiply(b2,X1)),multiply(b2,X1)))),multiply(X2,X1))))),multiply(b2,inverse(multiply(X2,X1)))),
    inference(paramodulation,[status(thm)],[f546,f34]) ).

fof(f672,plain,
    ! [X0,X1,X2,X3] : multiply(multiply(inverse(multiply(X0,inverse(multiply(X1,multiply(X2,X3))))),multiply(X0,inverse(multiply(X2,X3)))),inverse(multiply(inverse(multiply(b2,X3)),multiply(b2,X3)))) = X1,
    inference(paramodulation,[status(thm)],[f546,f3]) ).

fof(f719,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(X0,X1)),multiply(X0,X2)) = multiply(inverse(multiply(b2,X1)),multiply(b2,X2)),
    inference(equality_split,[status(esa)],[f649]) ).

fof(f726,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(X0),multiply(multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2))),inverse(multiply(X0,multiply(inverse(X2),X2))))),X1),inverse(multiply(inverse(X2),X2)))),inverse(multiply(inverse(multiply(inverse(X2),X2)),multiply(inverse(X2),X2)))) = inverse(multiply(inverse(X2),X2)),
    inference(forward_demodulation,[status(thm)],[f719,f12]) ).

fof(f727,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(X0),multiply(multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2))),inverse(multiply(X0,multiply(inverse(X2),X2))))),X1),inverse(multiply(inverse(X2),X2)))),inverse(multiply(inverse(multiply(b2,X2)),multiply(b2,X2)))) = inverse(multiply(inverse(X2),X2)),
    inference(forward_demodulation,[status(thm)],[f719,f726]) ).

fof(f1060,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(X1,X2))))),multiply(b2,inverse(multiply(X1,X2)))),inverse(multiply(inverse(multiply(b2,X2)),multiply(b2,X2)))) = X0,
    inference(forward_demodulation,[status(thm)],[f719,f672]) ).

fof(f1997,plain,
    ! [X0,X1,X2] : multiply(inverse(X0),multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),X2)) = multiply(inverse(multiply(b2,inverse(multiply(inverse(X1),X1)))),multiply(b2,X2)),
    inference(forward_demodulation,[status(thm)],[f719,f541]) ).

fof(f2002,plain,
    ! [X0,X1] : multiply(inverse(X0),X0) = multiply(inverse(multiply(b2,inverse(multiply(inverse(X1),X1)))),multiply(b2,inverse(multiply(inverse(X1),X1)))),
    inference(paramodulation,[status(thm)],[f3,f1997]) ).

fof(f2098,plain,
    ! [X0] : multiply(inverse(multiply(b2,inverse(multiply(inverse(X0),X0)))),multiply(b2,inverse(multiply(inverse(X0),X0)))) = multiply(inverse(b2),b2),
    inference(equality_split,[status(esa)],[f2002]) ).

fof(f2099,plain,
    ! [X0] : multiply(inverse(X0),X0) = multiply(inverse(b2),b2),
    inference(equality_split,[status(esa)],[f2002]) ).

fof(f2446,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),X2)),X0) = multiply(inverse(multiply(b2,X2)),multiply(b2,inverse(multiply(inverse(X1),X1)))),
    inference(forward_demodulation,[status(thm)],[f719,f644]) ).

fof(f2447,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),X2)),X0) = multiply(inverse(multiply(b2,X2)),multiply(b2,inverse(multiply(inverse(b2),b2)))),
    inference(forward_demodulation,[status(thm)],[f2099,f2446]) ).

fof(f2453,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(X1),X1))))),multiply(b2,inverse(multiply(inverse(b2),b2)))),inverse(multiply(inverse(X1),X1)))),inverse(multiply(inverse(multiply(b2,X1)),multiply(b2,X1)))) = inverse(multiply(inverse(X1),X1)),
    inference(backward_demodulation,[status(thm)],[f2447,f727]) ).

fof(f2454,plain,
    ! [X0,X1] : multiply(multiply(inverse(X0),multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(b2),b2)))),inverse(multiply(inverse(X1),X1)))),inverse(multiply(inverse(multiply(b2,X1)),multiply(b2,X1)))) = inverse(multiply(inverse(X1),X1)),
    inference(forward_demodulation,[status(thm)],[f2099,f2453]) ).

fof(f2455,plain,
    ! [X0] : multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(multiply(inverse(b2),b2)),multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(X0),X0)))),inverse(multiply(inverse(multiply(b2,X0)),multiply(b2,X0)))) = inverse(multiply(inverse(X0),X0)),
    inference(forward_demodulation,[status(thm)],[f1997,f2454]) ).

fof(f2456,plain,
    ! [X0] : multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(multiply(b2,b2)),multiply(b2,b2))))),multiply(b2,inverse(multiply(inverse(X0),X0)))),inverse(multiply(inverse(multiply(b2,X0)),multiply(b2,X0)))) = inverse(multiply(inverse(X0),X0)),
    inference(forward_demodulation,[status(thm)],[f719,f2455]) ).

fof(f2457,plain,
    ! [X0] : multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(b2),b2)))),multiply(b2,inverse(multiply(inverse(X0),X0)))),inverse(multiply(inverse(multiply(b2,X0)),multiply(b2,X0)))) = inverse(multiply(inverse(X0),X0)),
    inference(forward_demodulation,[status(thm)],[f2099,f2456]) ).

fof(f2458,plain,
    ! [X0] : multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(b2),b2)))),multiply(b2,inverse(multiply(inverse(b2),b2)))),inverse(multiply(inverse(multiply(b2,X0)),multiply(b2,X0)))) = inverse(multiply(inverse(X0),X0)),
    inference(forward_demodulation,[status(thm)],[f2099,f2457]) ).

fof(f2459,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),inverse(multiply(inverse(multiply(b2,X0)),multiply(b2,X0)))) = inverse(multiply(inverse(X0),X0)),
    inference(forward_demodulation,[status(thm)],[f2098,f2458]) ).

fof(f2460,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),inverse(multiply(inverse(b2),b2))) = inverse(multiply(inverse(X0),X0)),
    inference(forward_demodulation,[status(thm)],[f2099,f2459]) ).

fof(f2461,plain,
    multiply(multiply(inverse(b2),b2),inverse(multiply(inverse(b2),b2))) = inverse(multiply(inverse(b2),b2)),
    inference(forward_demodulation,[status(thm)],[f2099,f2460]) ).

fof(f2462,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(X1),X1))))),multiply(b2,inverse(multiply(inverse(b2),b2)))),inverse(multiply(inverse(multiply(inverse(X1),X1)),multiply(inverse(X1),X1)))) = X0,
    inference(backward_demodulation,[status(thm)],[f2447,f139]) ).

fof(f2463,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(b2),b2)))),inverse(multiply(inverse(multiply(inverse(X1),X1)),multiply(inverse(X1),X1)))) = X0,
    inference(forward_demodulation,[status(thm)],[f2099,f2462]) ).

fof(f2464,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(b2),b2)))),inverse(multiply(inverse(multiply(b2,X1)),multiply(b2,X1)))) = X0,
    inference(forward_demodulation,[status(thm)],[f719,f2463]) ).

fof(f2465,plain,
    ! [X0] : multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(b2),b2)))),inverse(multiply(inverse(b2),b2))) = X0,
    inference(forward_demodulation,[status(thm)],[f2099,f2464]) ).

fof(f2636,plain,
    multiply(multiply(inverse(inverse(multiply(inverse(b2),b2))),multiply(multiply(inverse(b2),b2),inverse(b2))),inverse(multiply(inverse(b2),b2))) = inverse(b2),
    inference(paramodulation,[status(thm)],[f2461,f3]) ).

fof(f2781,plain,
    ! [X0] : X0 = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,inverse(multiply(inverse(multiply(b2,inverse(multiply(inverse(b2),b2)))),multiply(b2,inverse(multiply(inverse(b2),b2)))))),multiply(multiply(inverse(inverse(multiply(inverse(b2),b2))),multiply(multiply(inverse(b2),b2),inverse(b2))),inverse(multiply(inverse(b2),b2))))))),multiply(b2,inverse(inverse(b2)))),
    inference(paramodulation,[status(thm)],[f2636,f666]) ).

fof(f2782,plain,
    ! [X0] : X0 = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,inverse(multiply(inverse(b2),b2))),multiply(multiply(inverse(inverse(multiply(inverse(b2),b2))),multiply(multiply(inverse(b2),b2),inverse(b2))),inverse(multiply(inverse(b2),b2))))))),multiply(b2,inverse(inverse(b2)))),
    inference(forward_demodulation,[status(thm)],[f2098,f2781]) ).

fof(f2783,plain,
    ! [X0] : X0 = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,inverse(multiply(inverse(b2),b2))),inverse(b2))))),multiply(b2,inverse(inverse(b2)))),
    inference(forward_demodulation,[status(thm)],[f2636,f2782]) ).

fof(f2860,plain,
    ! [X0,X1] : X0 = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,inverse(multiply(inverse(multiply(b2,multiply(b2,inverse(inverse(b2))))),multiply(b2,multiply(b2,inverse(inverse(b2))))))),multiply(inverse(multiply(b2,inverse(multiply(multiply(X1,inverse(multiply(inverse(b2),b2))),inverse(b2))))),multiply(b2,inverse(inverse(b2)))))))),multiply(b2,inverse(X1))),
    inference(paramodulation,[status(thm)],[f2783,f666]) ).

fof(f2861,plain,
    ! [X0,X1] : X0 = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,inverse(multiply(inverse(b2),b2))),multiply(inverse(multiply(b2,inverse(multiply(multiply(X1,inverse(multiply(inverse(b2),b2))),inverse(b2))))),multiply(b2,inverse(inverse(b2)))))))),multiply(b2,inverse(X1))),
    inference(forward_demodulation,[status(thm)],[f2099,f2860]) ).

fof(f2862,plain,
    ! [X0,X1] : X0 = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,inverse(multiply(inverse(b2),b2))),X1)))),multiply(b2,inverse(X1))),
    inference(forward_demodulation,[status(thm)],[f2783,f2861]) ).

fof(f2866,plain,
    ! [X0,X1] : X0 = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(multiply(inverse(multiply(b2,inverse(multiply(multiply(X1,inverse(multiply(inverse(b2),b2))),inverse(b2))))),multiply(b2,inverse(inverse(b2))))))),inverse(multiply(inverse(multiply(b2,multiply(b2,inverse(inverse(b2))))),multiply(b2,multiply(b2,inverse(inverse(b2))))))),X1)))),
    inference(paramodulation,[status(thm)],[f2783,f657]) ).

fof(f2867,plain,
    ! [X0,X1] : X0 = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),inverse(multiply(inverse(multiply(b2,multiply(b2,inverse(inverse(b2))))),multiply(b2,multiply(b2,inverse(inverse(b2))))))),X1)))),
    inference(forward_demodulation,[status(thm)],[f2783,f2866]) ).

fof(f2868,plain,
    ! [X0,X1] : X0 = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),inverse(multiply(inverse(b2),b2))),X1)))),
    inference(forward_demodulation,[status(thm)],[f2099,f2867]) ).

fof(f2876,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(multiply(b2,inverse(multiply(multiply(X1,inverse(multiply(inverse(b2),b2))),inverse(b2))))),multiply(b2,inverse(inverse(b2)))))))),multiply(b2,inverse(X1))),inverse(multiply(inverse(multiply(b2,multiply(b2,inverse(inverse(b2))))),multiply(b2,multiply(b2,inverse(inverse(b2))))))) = X0,
    inference(paramodulation,[status(thm)],[f2783,f1060]) ).

fof(f2877,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),inverse(multiply(inverse(multiply(b2,multiply(b2,inverse(inverse(b2))))),multiply(b2,multiply(b2,inverse(inverse(b2))))))) = X0,
    inference(forward_demodulation,[status(thm)],[f2783,f2876]) ).

fof(f2878,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),inverse(multiply(inverse(b2),b2))) = X0,
    inference(forward_demodulation,[status(thm)],[f2099,f2877]) ).

fof(f3084,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(X0,inverse(X1))),multiply(X0,inverse(inverse(multiply(inverse(b2),b2))))),inverse(multiply(inverse(inverse(multiply(inverse(b2),b2))),inverse(multiply(inverse(b2),b2))))) = multiply(inverse(multiply(b2,inverse(multiply(X1,multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(b2),b2)))),
    inference(paramodulation,[status(thm)],[f2465,f3]) ).

fof(f3085,plain,
    ! [X0] : multiply(inverse(multiply(b2,inverse(multiply(X0,b2)))),multiply(b2,inverse(b2))) = multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(b2),b2)))),
    inference(forward_demodulation,[status(thm)],[f32,f3084]) ).

fof(f3489,plain,
    multiply(multiply(inverse(multiply(b2,inverse(inverse(multiply(inverse(b2),b2))))),multiply(b2,inverse(inverse(multiply(inverse(b2),b2))))),inverse(multiply(inverse(b2),b2))) = multiply(inverse(b2),b2),
    inference(paramodulation,[status(thm)],[f2461,f2878]) ).

fof(f3490,plain,
    multiply(multiply(inverse(b2),b2),inverse(multiply(inverse(b2),b2))) = multiply(inverse(b2),b2),
    inference(forward_demodulation,[status(thm)],[f2099,f3489]) ).

fof(f3491,plain,
    inverse(multiply(inverse(b2),b2)) = multiply(inverse(b2),b2),
    inference(forward_demodulation,[status(thm)],[f2461,f3490]) ).

fof(f3548,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))) = multiply(inverse(multiply(b2,inverse(multiply(X0,X2)))),multiply(b2,inverse(X2))),
    inference(paramodulation,[status(thm)],[f2878,f2862]) ).

fof(f3611,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),multiply(inverse(b2),b2)) = X0,
    inference(backward_demodulation,[status(thm)],[f3491,f2878]) ).

fof(f3612,plain,
    ! [X0,X1] : X0 = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),
    inference(backward_demodulation,[status(thm)],[f3491,f2868]) ).

fof(f3617,plain,
    ! [X0,X1] : X0 = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,multiply(inverse(b2),b2)),X1)))),multiply(b2,inverse(X1))),
    inference(backward_demodulation,[status(thm)],[f3491,f2862]) ).

fof(f3622,plain,
    multiply(multiply(inverse(b2),b2),inverse(multiply(inverse(b2),b2))) = multiply(inverse(b2),b2),
    inference(backward_demodulation,[status(thm)],[f3491,f2461]) ).

fof(f3623,plain,
    multiply(multiply(inverse(b2),b2),multiply(inverse(b2),b2)) = multiply(inverse(b2),b2),
    inference(forward_demodulation,[status(thm)],[f3491,f3622]) ).

fof(f4363,plain,
    ! [X0] : multiply(inverse(multiply(inverse(b2),b2)),multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(b2),b2)))),multiply(b2,inverse(multiply(inverse(b2),b2)))),X0)) = multiply(inverse(multiply(b2,inverse(multiply(inverse(multiply(inverse(b2),b2)),multiply(inverse(b2),b2))))),multiply(b2,X0)),
    inference(paramodulation,[status(thm)],[f3623,f1997]) ).

fof(f4364,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(b2),b2)))),multiply(b2,inverse(multiply(inverse(b2),b2)))),X0)) = multiply(inverse(multiply(b2,inverse(multiply(inverse(multiply(inverse(b2),b2)),multiply(inverse(b2),b2))))),multiply(b2,X0)),
    inference(forward_demodulation,[status(thm)],[f3491,f4363]) ).

fof(f4365,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),multiply(multiply(inverse(b2),b2),X0)) = multiply(inverse(multiply(b2,inverse(multiply(inverse(multiply(inverse(b2),b2)),multiply(inverse(b2),b2))))),multiply(b2,X0)),
    inference(forward_demodulation,[status(thm)],[f2098,f4364]) ).

fof(f4366,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),multiply(multiply(inverse(b2),b2),X0)) = multiply(inverse(multiply(b2,inverse(multiply(inverse(multiply(b2,b2)),multiply(b2,b2))))),multiply(b2,X0)),
    inference(forward_demodulation,[status(thm)],[f719,f4365]) ).

fof(f4367,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),multiply(multiply(inverse(b2),b2),X0)) = multiply(inverse(multiply(b2,inverse(multiply(inverse(b2),b2)))),multiply(b2,X0)),
    inference(forward_demodulation,[status(thm)],[f2099,f4366]) ).

fof(f4368,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),multiply(multiply(inverse(b2),b2),X0)) = multiply(inverse(multiply(b2,multiply(inverse(b2),b2))),multiply(b2,X0)),
    inference(forward_demodulation,[status(thm)],[f3491,f4367]) ).

fof(f4703,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(X0,multiply(b2,inverse(X1)))),multiply(multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2))))),multiply(b2,inverse(inverse(multiply(inverse(X1),X1))))),inverse(inverse(multiply(inverse(X1),X1))))),inverse(multiply(inverse(inverse(multiply(inverse(X1),X1))),inverse(multiply(inverse(X1),X1))))) = inverse(inverse(multiply(inverse(X1),X1))),
    inference(paramodulation,[status(thm)],[f3612,f178]) ).

fof(f4704,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(X0,multiply(b2,inverse(X1)))),multiply(multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2))))),multiply(b2,inverse(inverse(multiply(inverse(b2),b2))))),inverse(inverse(multiply(inverse(X1),X1))))),inverse(multiply(inverse(inverse(multiply(inverse(X1),X1))),inverse(multiply(inverse(X1),X1))))) = inverse(inverse(multiply(inverse(X1),X1))),
    inference(forward_demodulation,[status(thm)],[f2099,f4703]) ).

fof(f4705,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(X0,multiply(b2,inverse(X1)))),multiply(multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(b2),b2)))),inverse(inverse(multiply(inverse(X1),X1))))),inverse(multiply(inverse(inverse(multiply(inverse(X1),X1))),inverse(multiply(inverse(X1),X1))))) = inverse(inverse(multiply(inverse(X1),X1))),
    inference(forward_demodulation,[status(thm)],[f3491,f4704]) ).

fof(f4706,plain,
    ! [X0] : multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(multiply(inverse(b2),b2)),multiply(inverse(b2),b2))))),multiply(b2,inverse(inverse(multiply(inverse(X0),X0))))),inverse(multiply(inverse(inverse(multiply(inverse(X0),X0))),inverse(multiply(inverse(X0),X0))))) = inverse(inverse(multiply(inverse(X0),X0))),
    inference(forward_demodulation,[status(thm)],[f1997,f4705]) ).

fof(f4707,plain,
    ! [X0] : multiply(inverse(multiply(b2,inverse(multiply(multiply(inverse(multiply(inverse(b2),b2)),multiply(inverse(b2),b2)),X0)))),multiply(b2,inverse(X0))) = inverse(inverse(multiply(inverse(X0),X0))),
    inference(forward_demodulation,[status(thm)],[f32,f4706]) ).

fof(f4708,plain,
    ! [X0] : multiply(inverse(multiply(b2,inverse(multiply(multiply(inverse(multiply(b2,b2)),multiply(b2,b2)),X0)))),multiply(b2,inverse(X0))) = inverse(inverse(multiply(inverse(X0),X0))),
    inference(forward_demodulation,[status(thm)],[f719,f4707]) ).

fof(f4709,plain,
    ! [X0] : multiply(inverse(multiply(b2,inverse(multiply(multiply(inverse(b2),b2),X0)))),multiply(b2,inverse(X0))) = inverse(inverse(multiply(inverse(X0),X0))),
    inference(forward_demodulation,[status(thm)],[f2099,f4708]) ).

fof(f4710,plain,
    ! [X0] : multiply(inverse(multiply(b2,inverse(multiply(multiply(inverse(b2),b2),X0)))),multiply(b2,inverse(X0))) = inverse(inverse(multiply(inverse(b2),b2))),
    inference(forward_demodulation,[status(thm)],[f2099,f4709]) ).

fof(f4711,plain,
    ! [X0] : multiply(inverse(multiply(b2,inverse(multiply(multiply(inverse(b2),b2),X0)))),multiply(b2,inverse(X0))) = inverse(multiply(inverse(b2),b2)),
    inference(forward_demodulation,[status(thm)],[f3491,f4710]) ).

fof(f4712,plain,
    ! [X0] : multiply(inverse(multiply(b2,inverse(multiply(multiply(inverse(b2),b2),X0)))),multiply(b2,inverse(X0))) = multiply(inverse(b2),b2),
    inference(forward_demodulation,[status(thm)],[f3491,f4711]) ).

fof(f5085,plain,
    ! [X0,X1,X2,X3] : multiply(multiply(inverse(X0),multiply(multiply(inverse(multiply(X1,inverse(multiply(X0,multiply(b2,inverse(multiply(multiply(multiply(X2,multiply(b2,inverse(X3))),multiply(inverse(b2),b2)),X3))))))),multiply(X1,inverse(multiply(b2,inverse(multiply(multiply(multiply(X2,multiply(b2,inverse(X3))),multiply(inverse(b2),b2)),X3)))))),X2)),inverse(multiply(inverse(multiply(b2,inverse(multiply(multiply(multiply(X2,multiply(b2,inverse(X3))),multiply(inverse(b2),b2)),X3)))),multiply(b2,inverse(multiply(multiply(multiply(X2,multiply(b2,inverse(X3))),multiply(inverse(b2),b2)),X3)))))) = inverse(multiply(b2,inverse(multiply(multiply(multiply(X2,multiply(b2,inverse(X3))),multiply(inverse(b2),b2)),X3)))),
    inference(paramodulation,[status(thm)],[f3612,f5]) ).

fof(f5086,plain,
    ! [X0,X1,X2] : multiply(multiply(inverse(X0),multiply(multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(b2,inverse(multiply(multiply(multiply(X1,multiply(b2,inverse(X2))),multiply(inverse(b2),b2)),X2))))))),multiply(b2,inverse(multiply(b2,inverse(multiply(multiply(multiply(X1,multiply(b2,inverse(X2))),multiply(inverse(b2),b2)),X2)))))),X1)),inverse(multiply(inverse(multiply(b2,inverse(multiply(multiply(multiply(X1,multiply(b2,inverse(X2))),multiply(inverse(b2),b2)),X2)))),multiply(b2,inverse(multiply(multiply(multiply(X1,multiply(b2,inverse(X2))),multiply(inverse(b2),b2)),X2)))))) = inverse(multiply(b2,inverse(multiply(multiply(multiply(X1,multiply(b2,inverse(X2))),multiply(inverse(b2),b2)),X2)))),
    inference(forward_demodulation,[status(thm)],[f719,f5085]) ).

fof(f5087,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1))))))),multiply(b2,X0)),inverse(multiply(inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))))) = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),
    inference(forward_demodulation,[status(thm)],[f1997,f5086]) ).

fof(f5088,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(b2),b2)))),multiply(b2,X0)),inverse(multiply(inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))))) = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),
    inference(forward_demodulation,[status(thm)],[f2099,f5087]) ).

fof(f5089,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,multiply(inverse(b2),b2))),multiply(b2,X0)),inverse(multiply(inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))))) = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),
    inference(forward_demodulation,[status(thm)],[f3491,f5088]) ).

fof(f5090,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,multiply(inverse(b2),b2))),multiply(b2,X0)),inverse(multiply(inverse(b2),b2))) = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),
    inference(forward_demodulation,[status(thm)],[f2099,f5089]) ).

fof(f5091,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,multiply(inverse(b2),b2))),multiply(b2,X0)),multiply(inverse(b2),b2)) = inverse(multiply(b2,inverse(multiply(multiply(multiply(X0,multiply(b2,inverse(X1))),multiply(inverse(b2),b2)),X1)))),
    inference(forward_demodulation,[status(thm)],[f3491,f5090]) ).

fof(f5092,plain,
    ! [X0] : multiply(multiply(inverse(multiply(b2,multiply(inverse(b2),b2))),multiply(b2,X0)),multiply(inverse(b2),b2)) = X0,
    inference(forward_demodulation,[status(thm)],[f3612,f5091]) ).

fof(f5797,plain,
    ! [X0,X1] : multiply(inverse(multiply(b2,multiply(inverse(b2),b2))),multiply(b2,X0)) = multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),
    inference(paramodulation,[status(thm)],[f5092,f3617]) ).

fof(f6211,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(X1),X1)))) = multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X2,X1)))),multiply(b2,inverse(X1))),inverse(multiply(X0,multiply(inverse(X1),X1))))),X2),
    inference(forward_demodulation,[status(thm)],[f2099,f170]) ).

fof(f6212,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,inverse(multiply(inverse(b2),b2)))) = multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2))),inverse(multiply(X0,multiply(inverse(X2),X2))))),X1),
    inference(forward_demodulation,[status(thm)],[f2099,f6211]) ).

fof(f6213,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,multiply(inverse(b2),b2))) = multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2))),inverse(multiply(X0,multiply(inverse(X2),X2))))),X1),
    inference(forward_demodulation,[status(thm)],[f3491,f6212]) ).

fof(f6214,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,multiply(inverse(b2),b2))) = multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2))),inverse(multiply(X0,multiply(inverse(b2),b2))))),X1),
    inference(forward_demodulation,[status(thm)],[f2099,f6213]) ).

fof(f6888,plain,
    ! [X0] : multiply(multiply(inverse(multiply(b2,inverse(multiply(inverse(b2),b2)))),multiply(b2,inverse(multiply(b2,inverse(X0))))),multiply(inverse(b2),b2)) = inverse(multiply(b2,inverse(multiply(multiply(inverse(b2),b2),X0)))),
    inference(paramodulation,[status(thm)],[f4712,f3611]) ).

fof(f6889,plain,
    ! [X0] : multiply(multiply(inverse(multiply(b2,multiply(inverse(b2),b2))),multiply(b2,inverse(multiply(b2,inverse(X0))))),multiply(inverse(b2),b2)) = inverse(multiply(b2,inverse(multiply(multiply(inverse(b2),b2),X0)))),
    inference(forward_demodulation,[status(thm)],[f3491,f6888]) ).

fof(f6890,plain,
    ! [X0] : inverse(multiply(b2,inverse(X0))) = inverse(multiply(b2,inverse(multiply(multiply(inverse(b2),b2),X0)))),
    inference(forward_demodulation,[status(thm)],[f5092,f6889]) ).

fof(f7637,plain,
    ! [X0] : multiply(inverse(multiply(b2,inverse(multiply(X0,b2)))),multiply(b2,inverse(b2))) = multiply(inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))),multiply(b2,multiply(inverse(b2),b2))),
    inference(forward_demodulation,[status(thm)],[f3491,f3085]) ).

fof(f7640,plain,
    ! [X0,X1,X2] : multiply(inverse(multiply(b2,inverse(multiply(X0,b2)))),multiply(b2,inverse(b2))) = multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2))),inverse(multiply(X0,multiply(inverse(b2),b2))))),X1),
    inference(backward_demodulation,[status(thm)],[f7637,f6214]) ).

fof(f8277,plain,
    ! [X0,X1] : multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))) = multiply(inverse(multiply(b2,inverse(multiply(X0,b2)))),multiply(b2,inverse(b2))),
    inference(equality_split,[status(esa)],[f3548]) ).

fof(f8756,plain,
    ! [X0,X1] : multiply(multiply(inverse(b2),b2),multiply(multiply(inverse(b2),b2),X0)) = multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))),
    inference(forward_demodulation,[status(thm)],[f4368,f5797]) ).

fof(f8757,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),multiply(multiply(inverse(b2),b2),X0)) = multiply(inverse(multiply(b2,inverse(multiply(X0,b2)))),multiply(b2,inverse(b2))),
    inference(forward_demodulation,[status(thm)],[f8277,f8756]) ).

fof(f8764,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),multiply(multiply(inverse(b2),b2),multiply(X0,multiply(inverse(b2),b2)))) = X0,
    inference(paramodulation,[status(thm)],[f3617,f8757]) ).

fof(f8894,plain,
    ! [X0] : inverse(multiply(b2,inverse(multiply(multiply(inverse(b2),b2),multiply(X0,multiply(inverse(b2),b2)))))) = inverse(multiply(b2,inverse(X0))),
    inference(paramodulation,[status(thm)],[f8764,f6890]) ).

fof(f8895,plain,
    ! [X0] : inverse(multiply(b2,inverse(multiply(X0,multiply(inverse(b2),b2))))) = inverse(multiply(b2,inverse(X0))),
    inference(forward_demodulation,[status(thm)],[f6890,f8894]) ).

fof(f9160,plain,
    ! [X0,X1] : multiply(multiply(inverse(multiply(b2,inverse(X0))),multiply(b2,inverse(inverse(multiply(inverse(X1),X1))))),inverse(multiply(inverse(inverse(multiply(inverse(X1),X1))),inverse(multiply(inverse(X1),X1))))) = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,multiply(inverse(b2),b2)),X1)))),multiply(b2,inverse(X1))),
    inference(paramodulation,[status(thm)],[f8895,f32]) ).

fof(f9161,plain,
    ! [X0,X1] : multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))) = multiply(inverse(multiply(b2,inverse(multiply(multiply(X0,multiply(inverse(b2),b2)),X1)))),multiply(b2,inverse(X1))),
    inference(forward_demodulation,[status(thm)],[f32,f9160]) ).

fof(f9162,plain,
    ! [X0,X1] : multiply(inverse(multiply(b2,inverse(multiply(X0,X1)))),multiply(b2,inverse(X1))) = X0,
    inference(forward_demodulation,[status(thm)],[f3617,f9161]) ).

fof(f9510,plain,
    ! [X0] : X0 = multiply(X0,multiply(inverse(b2),b2)),
    inference(backward_demodulation,[status(thm)],[f9162,f3617]) ).

fof(f9935,plain,
    ! [X0,X1,X2] : X0 = multiply(inverse(multiply(multiply(inverse(multiply(b2,inverse(multiply(X1,X2)))),multiply(b2,inverse(X2))),inverse(multiply(X0,multiply(inverse(b2),b2))))),X1),
    inference(forward_demodulation,[status(thm)],[f9162,f7640]) ).

fof(f9936,plain,
    ! [X0,X1] : X0 = multiply(inverse(multiply(X1,inverse(multiply(X0,multiply(inverse(b2),b2))))),X1),
    inference(forward_demodulation,[status(thm)],[f9162,f9935]) ).

fof(f9937,plain,
    ! [X0,X1] : X0 = multiply(inverse(multiply(X1,inverse(X0))),X1),
    inference(forward_demodulation,[status(thm)],[f9510,f9936]) ).

fof(f9940,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),X0) = multiply(inverse(multiply(b2,inverse(X0))),b2),
    inference(paramodulation,[status(thm)],[f6890,f9937]) ).

fof(f9941,plain,
    ! [X0] : multiply(multiply(inverse(b2),b2),X0) = X0,
    inference(forward_demodulation,[status(thm)],[f9937,f9940]) ).

fof(f10058,plain,
    a2 != a2,
    inference(backward_demodulation,[status(thm)],[f9941,f4]) ).

fof(f10059,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f10058]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : GRP410-1 : TPTP v8.1.2. Released v2.6.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.14/0.35  % Computer : n007.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Tue Apr 30 00:08:02 EDT 2024
% 0.14/0.35  % CPUTime  : 
% 0.14/0.36  % Drodi V3.6.0
% 6.39/1.18  % Refutation found
% 6.39/1.18  % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 6.39/1.18  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 6.64/1.22  % Elapsed time: 0.850844 seconds
% 6.64/1.22  % CPU time: 6.603834 seconds
% 6.64/1.22  % Total memory used: 221.441 MB
% 6.64/1.22  % Net memory used: 216.272 MB
%------------------------------------------------------------------------------