TSTP Solution File: GRP205-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP205-1 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %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  : 600s
% DateTime : Sat Jul 16 08:45:56 EDT 2022

% Result   : Unsatisfiable 18.27s 18.64s
% Output   : Refutation 18.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   32
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   99 (  99 unt;   0 nHn;   4 RR)
%            Number of literals    :   99 (   0 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :   10 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :  201 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(multiply(identity,A),A),
    file('GRP205-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(multiply(A,identity),A),
    file('GRP205-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(multiply(A,left_division(A,B)),B),
    file('GRP205-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(left_division(A,multiply(A,B)),B),
    file('GRP205-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(multiply(right_division(A,B),B),A),
    file('GRP205-1.p',unknown),
    [] ).

cnf(6,plain,
    equal(right_division(multiply(A,B),B),A),
    file('GRP205-1.p',unknown),
    [] ).

cnf(9,plain,
    equal(multiply(multiply(multiply(A,B),A),C),multiply(A,multiply(B,multiply(A,C)))),
    file('GRP205-1.p',unknown),
    [] ).

cnf(10,plain,
    ~ equal(multiply(x,multiply(multiply(y,z),x)),multiply(multiply(x,y),multiply(z,x))),
    file('GRP205-1.p',unknown),
    [] ).

cnf(12,plain,
    equal(left_division(identity,A),A),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,1]),1]),
    [iquote('para(3,1),flip(1)')] ).

cnf(14,plain,
    equal(left_division(A,A),identity),
    inference(para,[status(thm),theory(equality)],[2,4]),
    [iquote('para(2,4)')] ).

cnf(15,plain,
    equal(right_division(A,identity),A),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,2]),1]),
    [iquote('para(5,2),flip(1)')] ).

cnf(16,plain,
    equal(left_division(right_division(A,B),A),B),
    inference(para,[status(thm),theory(equality)],[5,4]),
    [iquote('para(5,4)')] ).

cnf(17,plain,
    equal(right_division(A,A),identity),
    inference(para,[status(thm),theory(equality)],[1,6]),
    [iquote('para(1,6)')] ).

cnf(18,plain,
    equal(right_division(A,left_division(B,A)),B),
    inference(para,[status(thm),theory(equality)],[3,6]),
    [iquote('para(3,6)')] ).

cnf(22,plain,
    equal(multiply(multiply(A,B),A),multiply(A,multiply(B,A))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[9,2]),2]),1]),
    [iquote('para(9,2),demod([2]),flip(1)')] ).

cnf(23,plain,
    equal(multiply(multiply(A,multiply(B,A)),C),multiply(A,multiply(B,multiply(A,C)))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[9]),22]),
    [iquote('back_demod(9),demod([22])')] ).

cnf(24,plain,
    equal(multiply(multiply(A,A),B),multiply(A,multiply(A,B))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[2,9]),1]),
    [iquote('para(2,9),demod([1])')] ).

cnf(25,plain,
    equal(left_division(multiply(A,B),multiply(A,multiply(B,A))),A),
    inference(para,[status(thm),theory(equality)],[22,4]),
    [iquote('para(22,4)')] ).

cnf(26,plain,
    equal(right_division(multiply(A,multiply(B,A)),A),multiply(A,B)),
    inference(para,[status(thm),theory(equality)],[22,6]),
    [iquote('para(22,6)')] ).

cnf(27,plain,
    equal(multiply(A,multiply(A,left_division(multiply(A,A),B))),B),
    inference(para,[status(thm),theory(equality)],[24,3]),
    [iquote('para(24,3)')] ).

cnf(30,plain,
    equal(multiply(multiply(left_division(A,B),B),C),multiply(left_division(A,B),multiply(A,multiply(left_division(A,B),C)))),
    inference(para,[status(thm),theory(equality)],[3,23]),
    [iquote('para(3,23)')] ).

cnf(31,plain,
    equal(left_division(multiply(A,multiply(B,A)),multiply(A,multiply(B,multiply(A,C)))),C),
    inference(para,[status(thm),theory(equality)],[23,4]),
    [iquote('para(23,4)')] ).

cnf(32,plain,
    equal(right_division(multiply(A,multiply(A,B)),B),multiply(A,A)),
    inference(para,[status(thm),theory(equality)],[24,6]),
    [iquote('para(24,6)')] ).

cnf(34,plain,
    equal(right_division(multiply(A,multiply(B,multiply(A,C))),C),multiply(A,multiply(B,A))),
    inference(para,[status(thm),theory(equality)],[23,6]),
    [iquote('para(23,6)')] ).

cnf(39,plain,
    equal(right_division(multiply(A,B),A),multiply(A,right_division(B,A))),
    inference(para,[status(thm),theory(equality)],[5,26]),
    [iquote('para(5,26)')] ).

cnf(40,plain,
    equal(multiply(A,right_division(identity,A)),identity),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[2,39]),17]),1]),
    [iquote('para(2,39),demod([17]),flip(1)')] ).

cnf(44,plain,
    equal(right_division(identity,A),left_division(A,identity)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[40,4]),1]),
    [iquote('para(40,4),flip(1)')] ).

cnf(51,plain,
    equal(multiply(left_division(A,identity),A),identity),
    inference(para,[status(thm),theory(equality)],[44,5]),
    [iquote('para(44,5)')] ).

cnf(54,plain,
    equal(left_division(left_division(A,identity),identity),A),
    inference(para,[status(thm),theory(equality)],[44,18]),
    [iquote('para(44,18)')] ).

cnf(55,plain,
    equal(multiply(A,left_division(multiply(A,A),B)),left_division(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[27,4]),1]),
    [iquote('para(27,4),flip(1)')] ).

cnf(62,plain,
    equal(right_division(multiply(A,B),left_division(A,B)),multiply(A,A)),
    inference(para,[status(thm),theory(equality)],[3,32]),
    [iquote('para(3,32)')] ).

cnf(63,plain,
    equal(right_division(A,left_division(A,identity)),multiply(A,A)),
    inference(para,[status(thm),theory(equality)],[2,62]),
    [iquote('para(2,62)')] ).

cnf(66,plain,
    equal(left_division(multiply(A,multiply(left_division(B,C),C)),multiply(A,multiply(left_division(B,C),multiply(B,multiply(left_division(B,C),A))))),A),
    inference(para,[status(thm),theory(equality)],[30,25]),
    [iquote('para(30,25)')] ).

cnf(70,plain,
    equal(left_division(multiply(A,multiply(B,A)),multiply(A,multiply(B,C))),left_division(A,C)),
    inference(para,[status(thm),theory(equality)],[3,31]),
    [iquote('para(3,31)')] ).

cnf(73,plain,
    equal(multiply(A,right_division(left_division(A,B),A)),right_division(B,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,39]),1]),
    [iquote('para(3,39),flip(1)')] ).

cnf(78,plain,
    equal(left_division(multiply(A,A),B),left_division(A,left_division(A,B))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[55,4]),1]),
    [iquote('para(55,4),flip(1)')] ).

cnf(85,plain,
    equal(multiply(left_division(A,identity),multiply(A,A)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[51,39]),18,63]),1]),
    [iquote('para(51,39),demod([18,63]),flip(1)')] ).

cnf(87,plain,
    equal(right_division(multiply(A,B),C),multiply(A,multiply(right_division(B,multiply(A,C)),A))),
    inference(para,[status(thm),theory(equality)],[5,34]),
    [iquote('para(5,34)')] ).

cnf(89,plain,
    equal(multiply(A,multiply(right_division(B,multiply(A,B)),A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[6]),87]),
    [iquote('back_demod(6),demod([87])')] ).

cnf(90,plain,
    equal(multiply(A,A),left_division(left_division(A,identity),A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[85,4]),1]),
    [iquote('para(85,4),flip(1)')] ).

cnf(95,plain,
    equal(left_division(left_division(left_division(A,identity),A),B),left_division(A,left_division(A,B))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[78]),90]),
    [iquote('back_demod(78),demod([90])')] ).

cnf(99,plain,
    equal(multiply(left_division(left_division(A,identity),A),B),multiply(A,multiply(A,B))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[24]),90]),
    [iquote('back_demod(24),demod([90])')] ).

cnf(101,plain,
    equal(right_division(left_division(A,B),A),left_division(A,right_division(B,A))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[73,4]),1]),
    [iquote('para(73,4),flip(1)')] ).

cnf(102,plain,
    equal(multiply(A,multiply(right_division(left_division(A,B),B),A)),A),
    inference(para,[status(thm),theory(equality)],[3,89]),
    [iquote('para(3,89)')] ).

cnf(105,plain,
    equal(multiply(right_division(A,multiply(B,A)),B),identity),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[89,4]),14]),1]),
    [iquote('para(89,4),demod([14]),flip(1)')] ).

cnf(107,plain,
    equal(left_division(right_division(A,multiply(B,A)),identity),B),
    inference(para,[status(thm),theory(equality)],[105,4]),
    [iquote('para(105,4)')] ).

cnf(112,plain,
    equal(multiply(A,right_division(B,multiply(A,B))),identity),
    inference(para,[status(thm),theory(equality)],[107,51]),
    [iquote('para(107,51)')] ).

cnf(114,plain,
    equal(right_division(A,multiply(B,A)),left_division(B,identity)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[112,4]),1]),
    [iquote('para(112,4),flip(1)')] ).

cnf(115,plain,
    equal(multiply(left_division(A,identity),multiply(A,B)),B),
    inference(para,[status(thm),theory(equality)],[114,5]),
    [iquote('para(114,5)')] ).

cnf(116,plain,
    equal(multiply(A,B),left_division(left_division(A,identity),B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[115,4]),1]),
    [iquote('para(115,4),flip(1)')] ).

cnf(117,plain,
    equal(left_division(A,left_division(left_division(A,identity),B)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[115]),116,116,54]),
    [iquote('back_demod(115),demod([116,116,54])')] ).

cnf(126,plain,
    equal(left_division(left_division(A,identity),left_division(left_division(right_division(left_division(A,B),B),identity),A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[102]),116,116]),
    [iquote('back_demod(102),demod([116,116])')] ).

cnf(127,plain,
    equal(left_division(left_division(A,left_division(A,identity)),B),left_division(left_division(A,identity),left_division(left_division(A,identity),B))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[99]),116,95,116,116]),
    [iquote('back_demod(99),demod([116,95,116,116])')] ).

cnf(131,plain,
    equal(right_division(left_division(left_division(A,identity),B),C),left_division(left_division(A,identity),left_division(left_division(right_division(B,left_division(left_division(A,identity),C)),identity),A))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[87]),116,116,116,116]),
    [iquote('back_demod(87),demod([116,116,116,116])')] ).

cnf(136,plain,
    equal(left_division(left_division(left_division(A,identity),left_division(left_division(B,identity),A)),left_division(left_division(A,identity),left_division(left_division(B,identity),C))),left_division(A,C)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[70]),116,116,116,116]),
    [iquote('back_demod(70),demod([116,116,116,116])')] ).

cnf(138,plain,
    equal(left_division(left_division(left_division(A,identity),left_division(left_division(left_division(B,C),identity),C)),left_division(left_division(A,identity),left_division(left_division(left_division(B,C),identity),left_division(left_division(B,identity),left_division(left_division(left_division(B,C),identity),A))))),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[66]),116,116,116,116,116,116]),
    [iquote('back_demod(66),demod([116,116,116,116,116,116])')] ).

cnf(158,plain,
    ~ equal(left_division(left_division(x,identity),left_division(left_division(left_division(left_division(y,identity),z),identity),x)),left_division(left_division(left_division(left_division(x,identity),y),identity),left_division(left_division(z,identity),x))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[10]),116,116,116,116,116,116]),
    [iquote('back_demod(10),demod([116,116,116,116,116,116])')] ).

cnf(159,plain,
    equal(left_division(left_division(right_division(A,B),identity),B),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[5]),116]),
    [iquote('back_demod(5),demod([116])')] ).

cnf(160,plain,
    equal(left_division(left_division(A,identity),left_division(A,B)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[3]),116]),
    [iquote('back_demod(3),demod([116])')] ).

cnf(161,plain,
    equal(left_division(left_division(left_division(A,right_division(B,A)),identity),A),left_division(A,B)),
    inference(para,[status(thm),theory(equality)],[101,159]),
    [iquote('para(101,159)')] ).

cnf(164,plain,
    equal(left_division(left_division(A,right_division(B,A)),left_division(A,B)),A),
    inference(para,[status(thm),theory(equality)],[161,117]),
    [iquote('para(161,117)')] ).

cnf(165,plain,
    equal(left_division(left_division(right_division(A,B),identity),left_division(left_division(right_division(B,A),identity),right_division(A,B))),right_division(A,B)),
    inference(para,[status(thm),theory(equality)],[16,126]),
    [iquote('para(16,126)')] ).

cnf(175,plain,
    equal(left_division(left_division(right_division(left_division(A,B),B),identity),A),identity),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[126,117]),14]),1]),
    [iquote('para(126,117),demod([14]),flip(1)')] ).

cnf(177,plain,
    equal(left_division(right_division(left_division(A,B),B),identity),A),
    inference(para,[status(thm),theory(equality)],[175,117]),
    [iquote('para(175,117)')] ).

cnf(179,plain,
    equal(left_division(A,left_division(right_division(left_division(A,B),B),C)),C),
    inference(para,[status(thm),theory(equality)],[177,160]),
    [iquote('para(177,160)')] ).

cnf(180,plain,
    equal(right_division(left_division(A,B),B),left_division(A,identity)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[14,179]),1]),
    [iquote('para(14,179),flip(1)')] ).

cnf(185,plain,
    equal(left_division(left_division(left_division(A,left_division(B,identity)),identity),A),left_division(A,left_division(B,A))),
    inference(para,[status(thm),theory(equality)],[180,161]),
    [iquote('para(180,161)')] ).

cnf(187,plain,
    equal(left_division(left_division(left_division(A,B),identity),A),left_division(A,left_division(left_division(B,identity),A))),
    inference(para,[status(thm),theory(equality)],[54,185]),
    [iquote('para(54,185)')] ).

cnf(195,plain,
    equal(left_division(left_division(A,B),left_division(A,left_division(left_division(B,identity),A))),A),
    inference(para,[status(thm),theory(equality)],[187,117]),
    [iquote('para(187,117)')] ).

cnf(213,plain,
    equal(left_division(left_division(A,right_division(B,A)),left_division(left_division(left_division(A,B),identity),left_division(A,right_division(B,A)))),right_division(B,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[164,187]),160]),1]),
    [iquote('para(164,187),demod([160]),flip(1)')] ).

cnf(256,plain,
    equal(left_division(left_division(right_division(A,B),identity),right_division(B,A)),identity),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[165,117]),14]),1]),
    [iquote('para(165,117),demod([14]),flip(1)')] ).

cnf(259,plain,
    equal(left_division(right_division(A,B),identity),right_division(B,A)),
    inference(para,[status(thm),theory(equality)],[256,117]),
    [iquote('para(256,117)')] ).

cnf(260,plain,
    equal(right_division(A,B),left_division(right_division(B,A),identity)),
    inference(flip,[status(thm),theory(equality)],[259]),
    [iquote('flip(259)')] ).

cnf(283,plain,
    equal(left_division(left_division(A,identity),left_division(left_division(right_division(left_division(A,identity),left_division(left_division(A,identity),B)),identity),A)),left_division(B,identity)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[14,131]),44]),1]),
    [iquote('para(14,131),demod([44]),flip(1)')] ).

cnf(289,plain,
    equal(right_division(left_division(A,B),C),left_division(A,left_division(left_division(right_division(B,left_division(A,C)),identity),left_division(A,identity)))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[54,131]),54,54]),
    [iquote('para(54,131),demod([54,54])')] ).

cnf(300,plain,
    equal(left_division(left_division(left_division(A,left_division(B,identity)),identity),B),left_division(A,identity)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[283]),289,117,44,54,187,160]),
    [iquote('back_demod(283),demod([289,117,44,54,187,160])')] ).

cnf(310,plain,
    equal(left_division(A,right_division(B,A)),left_division(A,left_division(left_division(B,identity),left_division(A,identity)))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[101]),289,14,15]),1]),
    [iquote('back_demod(101),demod([289,14,15]),flip(1)')] ).

cnf(320,plain,
    equal(right_division(A,B),left_division(left_division(B,left_division(left_division(A,identity),left_division(B,identity))),left_division(left_division(left_division(B,A),identity),left_division(B,left_division(left_division(A,identity),left_division(B,identity)))))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[213]),310,310]),1]),
    [iquote('back_demod(213),demod([310,310]),flip(1)')] ).

cnf(336,plain,
    equal(left_division(A,left_division(left_division(left_division(left_division(left_division(A,B),left_division(left_division(C,identity),left_division(left_division(A,B),identity))),left_division(left_division(left_division(left_division(A,B),C),identity),left_division(left_division(A,B),left_division(left_division(C,identity),left_division(left_division(A,B),identity))))),identity),left_division(A,identity))),left_division(left_division(B,left_division(left_division(left_division(A,C),identity),left_division(B,identity))),left_division(left_division(left_division(B,left_division(A,C)),identity),left_division(B,left_division(left_division(left_division(A,C),identity),left_division(B,identity)))))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[289]),320,320]),1]),
    [iquote('back_demod(289),demod([320,320]),flip(1)')] ).

cnf(350,plain,
    equal(left_division(left_division(left_division(A,left_division(left_division(B,identity),left_division(A,identity))),left_division(left_division(left_division(A,B),identity),left_division(A,left_division(left_division(B,identity),left_division(A,identity))))),identity),left_division(left_division(B,left_division(left_division(A,identity),left_division(B,identity))),left_division(left_division(left_division(B,A),identity),left_division(B,left_division(left_division(A,identity),left_division(B,identity)))))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[260]),320,320]),1]),
    [iquote('back_demod(260),demod([320,320]),flip(1)')] ).

cnf(356,plain,
    equal(left_division(A,left_division(left_division(left_division(B,left_division(left_division(left_division(A,C),identity),left_division(B,identity))),left_division(left_division(left_division(B,left_division(A,C)),identity),left_division(B,left_division(left_division(left_division(A,C),identity),left_division(B,identity))))),left_division(A,identity))),left_division(left_division(C,left_division(left_division(left_division(A,B),identity),left_division(C,identity))),left_division(left_division(left_division(C,left_division(A,B)),identity),left_division(C,left_division(left_division(left_division(A,B),identity),left_division(C,identity)))))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[336]),350]),
    [iquote('back_demod(336),demod([350])')] ).

cnf(357,plain,
    equal(left_division(left_division(A,left_division(left_division(left_division(B,C),identity),left_division(A,identity))),left_division(left_division(left_division(A,left_division(B,C)),identity),left_division(A,left_division(left_division(left_division(B,C),identity),left_division(A,identity))))),left_division(B,left_division(left_division(left_division(C,left_division(left_division(left_division(B,A),identity),left_division(C,identity))),left_division(left_division(left_division(C,left_division(B,A)),identity),left_division(C,left_division(left_division(left_division(B,A),identity),left_division(C,identity))))),left_division(B,identity)))),
    inference(flip,[status(thm),theory(equality)],[356]),
    [iquote('flip(356)')] ).

cnf(400,plain,
    equal(left_division(left_division(A,left_division(left_division(B,identity),left_division(A,identity))),left_division(left_division(left_division(A,B),identity),left_division(A,left_division(left_division(B,identity),left_division(A,identity))))),left_division(left_division(B,identity),left_division(left_division(left_division(B,identity),A),B))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[54,131]),320,320,14,12,54,14,12,127,160,160,54]),
    [iquote('para(54,131),demod([320,320,14,12,54,14,12,127,160,160,54])')] ).

cnf(436,plain,
    equal(left_division(left_division(left_division(A,B),identity),left_division(left_division(left_division(left_division(A,B),identity),C),left_division(A,B))),left_division(A,left_division(left_division(left_division(left_division(A,C),identity),left_division(left_division(left_division(left_division(A,C),identity),B),left_division(A,C))),left_division(A,identity)))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[357]),400,400]),
    [iquote('back_demod(357),demod([400,400])')] ).

cnf(437,plain,
    equal(left_division(A,left_division(left_division(left_division(left_division(A,B),identity),left_division(left_division(left_division(left_division(A,B),identity),C),left_division(A,B))),left_division(A,identity))),left_division(left_division(left_division(A,C),identity),left_division(left_division(left_division(left_division(A,C),identity),B),left_division(A,C)))),
    inference(flip,[status(thm),theory(equality)],[436]),
    [iquote('flip(436)')] ).

cnf(451,plain,
    equal(left_division(left_division(left_division(A,B),identity),left_division(B,identity)),left_division(A,identity)),
    inference(para,[status(thm),theory(equality)],[54,300]),
    [iquote('para(54,300)')] ).

cnf(452,plain,
    equal(left_division(left_division(left_division(A,identity),left_division(left_division(B,identity),A)),A),left_division(A,left_division(B,identity))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[14,136]),54]),
    [iquote('para(14,136),demod([54])')] ).

cnf(462,plain,
    equal(left_division(left_division(A,B),left_division(A,identity)),left_division(B,identity)),
    inference(para,[status(thm),theory(equality)],[451,117]),
    [iquote('para(451,117)')] ).

cnf(500,plain,
    equal(left_division(left_division(left_division(A,identity),B),A),left_division(B,identity)),
    inference(para,[status(thm),theory(equality)],[54,462]),
    [iquote('para(54,462)')] ).

cnf(506,plain,
    equal(left_division(left_division(left_division(A,identity),B),identity),left_division(B,left_division(A,identity))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[452]),500]),
    [iquote('back_demod(452),demod([500])')] ).

cnf(542,plain,
    ~ equal(left_division(left_division(x,identity),left_division(left_division(z,left_division(y,identity)),x)),left_division(left_division(y,left_division(x,identity)),left_division(left_division(z,identity),x))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[158]),506,506]),
    [iquote('back_demod(158),demod([506,506])')] ).

cnf(572,plain,
    equal(left_division(A,left_division(left_division(left_division(left_division(A,B),identity),left_division(C,identity)),left_division(A,identity))),left_division(left_division(left_division(A,C),identity),left_division(B,identity))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[437]),500,500]),
    [iquote('back_demod(437),demod([500,500])')] ).

cnf(573,plain,
    equal(left_division(left_division(left_division(A,B),identity),left_division(C,identity)),left_division(A,left_division(left_division(left_division(left_division(A,C),identity),left_division(B,identity)),left_division(A,identity)))),
    inference(flip,[status(thm),theory(equality)],[572]),
    [iquote('flip(572)')] ).

cnf(594,plain,
    equal(left_division(left_division(A,B),identity),left_division(B,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[14,138]),54,117,54,54,187,195]),1]),
    [iquote('para(14,138),demod([54,117,54,54,187,195]),flip(1)')] ).

cnf(603,plain,
    equal(left_division(left_division(A,B),left_division(C,identity)),left_division(B,left_division(left_division(left_division(C,B),left_division(A,identity)),left_division(B,identity)))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[573]),594,594]),
    [iquote('back_demod(573),demod([594,594])')] ).

cnf(604,plain,
    equal(left_division(A,left_division(left_division(left_division(B,A),left_division(C,identity)),left_division(A,identity))),left_division(left_division(C,A),left_division(B,identity))),
    inference(flip,[status(thm),theory(equality)],[603]),
    [iquote('flip(603)')] ).

cnf(4209,plain,
    equal(left_division(left_division(A,B),left_division(left_division(B,left_division(C,identity)),left_division(B,A))),left_division(left_division(C,left_division(A,B)),A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[160,604]),594,594,12]),
    [iquote('para(160,604),demod([594,594,12])')] ).

cnf(7024,plain,
    equal(left_division(left_division(A,identity),left_division(left_division(B,left_division(C,identity)),A)),left_division(left_division(C,left_division(A,identity)),left_division(left_division(B,identity),A))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[117,4209]),500,500]),
    [iquote('para(117,4209),demod([500,500])')] ).

cnf(7025,plain,
    $false,
    inference(conflict,[status(thm)],[7024,542]),
    [iquote('conflict(7024,542)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.14  % Problem  : GRP205-1 : TPTP v8.1.0. Released v2.3.0.
% 0.05/0.15  % Command  : tptp2X_and_run_eqp %s
% 0.14/0.37  % Computer : n003.cluster.edu
% 0.14/0.37  % Model    : x86_64 x86_64
% 0.14/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.37  % Memory   : 8042.1875MB
% 0.14/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.37  % CPULimit : 300
% 0.14/0.37  % WCLimit  : 600
% 0.14/0.37  % DateTime : Tue Jun 14 03:39:55 EDT 2022
% 0.14/0.37  % CPUTime  : 
% 18.27/18.64  ----- EQP 0.9e, May 2009 -----
% 18.27/18.64  The job began on n003.cluster.edu, Tue Jun 14 03:39:55 2022
% 18.27/18.64  The command was "./eqp09e".
% 18.27/18.64  
% 18.27/18.64  set(prolog_style_variables).
% 18.27/18.64  set(lrpo).
% 18.27/18.64  set(basic_paramod).
% 18.27/18.64  set(functional_subsume).
% 18.27/18.64  set(ordered_paramod).
% 18.27/18.64  set(prime_paramod).
% 18.27/18.64  set(para_pairs).
% 18.27/18.64  assign(pick_given_ratio,4).
% 18.27/18.64  clear(print_kept).
% 18.27/18.64  clear(print_new_demod).
% 18.27/18.64  clear(print_back_demod).
% 18.27/18.64  clear(print_given).
% 18.27/18.64  assign(max_mem,64000).
% 18.27/18.64  end_of_commands.
% 18.27/18.64  
% 18.27/18.64  Usable:
% 18.27/18.64  end_of_list.
% 18.27/18.64  
% 18.27/18.64  Sos:
% 18.27/18.64  0 (wt=-1) [] multiply(identity,A) = A.
% 18.27/18.64  0 (wt=-1) [] multiply(A,identity) = A.
% 18.27/18.64  0 (wt=-1) [] multiply(A,left_division(A,B)) = B.
% 18.27/18.64  0 (wt=-1) [] left_division(A,multiply(A,B)) = B.
% 18.27/18.64  0 (wt=-1) [] multiply(right_division(A,B),B) = A.
% 18.27/18.64  0 (wt=-1) [] right_division(multiply(A,B),B) = A.
% 18.27/18.64  0 (wt=-1) [] multiply(A,right_inverse(A)) = identity.
% 18.27/18.64  0 (wt=-1) [] multiply(left_inverse(A),A) = identity.
% 18.27/18.64  0 (wt=-1) [] multiply(multiply(multiply(A,B),A),C) = multiply(A,multiply(B,multiply(A,C))).
% 18.27/18.64  0 (wt=-1) [] -(multiply(x,multiply(multiply(y,z),x)) = multiply(multiply(x,y),multiply(z,x))).
% 18.27/18.64  end_of_list.
% 18.27/18.64  
% 18.27/18.64  Demodulators:
% 18.27/18.64  end_of_list.
% 18.27/18.64  
% 18.27/18.64  Passive:
% 18.27/18.64  end_of_list.
% 18.27/18.64  
% 18.27/18.64  Starting to process input.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 1 (wt=5) [] multiply(identity,A) = A.
% 18.27/18.64  1 is a new demodulator.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 2 (wt=5) [] multiply(A,identity) = A.
% 18.27/18.64  2 is a new demodulator.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 3 (wt=7) [] multiply(A,left_division(A,B)) = B.
% 18.27/18.64  3 is a new demodulator.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 4 (wt=7) [] left_division(A,multiply(A,B)) = B.
% 18.27/18.64  4 is a new demodulator.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 5 (wt=7) [] multiply(right_division(A,B),B) = A.
% 18.27/18.64  5 is a new demodulator.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 6 (wt=7) [] right_division(multiply(A,B),B) = A.
% 18.27/18.64  6 is a new demodulator.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 7 (wt=6) [] multiply(A,right_inverse(A)) = identity.
% 18.27/18.64  7 is a new demodulator.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 8 (wt=6) [] multiply(left_inverse(A),A) = identity.
% 18.27/18.64  8 is a new demodulator.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 9 (wt=15) [] multiply(multiply(multiply(A,B),A),C) = multiply(A,multiply(B,multiply(A,C))).
% 18.27/18.64  9 is a new demodulator.
% 18.27/18.64  
% 18.27/18.64  ** KEPT: 10 (wt=15) [] -(multiply(x,multiply(multiply(y,z),x)) = multiply(multiply(x,y),multiply(z,x))).
% 18.27/18.64  ---------------- PROOF FOUND ----------------
% 18.27/18.64  % SZS status Unsatisfiable
% 18.27/18.64  
% 18.27/18.64  
% 18.27/18.64  After processing input:
% 18.27/18.64  
% 18.27/18.64  Usable:
% 18.27/18.64  end_of_list.
% 18.27/18.64  
% 18.27/18.64  Sos:
% 18.27/18.64  1 (wt=5) [] multiply(identity,A) = A.
% 18.27/18.64  2 (wt=5) [] multiply(A,identity) = A.
% 18.27/18.64  7 (wt=6) [] multiply(A,right_inverse(A)) = identity.
% 18.27/18.64  8 (wt=6) [] multiply(left_inverse(A),A) = identity.
% 18.27/18.64  3 (wt=7) [] multiply(A,left_division(A,B)) = B.
% 18.27/18.64  4 (wt=7) [] left_division(A,multiply(A,B)) = B.
% 18.27/18.64  5 (wt=7) [] multiply(right_division(A,B),B) = A.
% 18.27/18.64  6 (wt=7) [] right_division(multiply(A,B),B) = A.
% 18.27/18.64  9 (wt=15) [] multiply(multiply(multiply(A,B),A),C) = multiply(A,multiply(B,multiply(A,C))).
% 18.27/18.64  10 (wt=15) [] -(multiply(x,multiply(multiply(y,z),x)) = multiply(multiply(x,y),multiply(z,x))).
% 18.27/18.64  end_of_list.
% 18.27/18.64  
% 18.27/18.64  Demodulators:
% 18.27/18.64  1 (wt=5) [] multiply(identity,A) = A.
% 18.27/18.64  2 (wt=5) [] multiply(A,identity) = A.
% 18.27/18.64  3 (wt=7) [] multiply(A,left_division(A,B)) = B.
% 18.27/18.64  4 (wt=7) [] left_division(A,multiply(A,B)) = B.
% 18.27/18.64  5 (wt=7) [] multiply(right_division(A,B),B) = A.
% 18.27/18.64  6 (wt=7) [] right_division(multiply(A,B),B) = A.
% 18.27/18.64  7 (wt=6) [] multiply(A,right_inverse(A)) = identity.
% 18.27/18.64  8 (wt=6) [] multiply(left_inverse(A),A) = identity.
% 18.27/18.64  9 (wt=15) [] multiply(multiply(multiply(A,B),A),C) = multiply(A,multiply(B,multiply(A,C))).
% 18.27/18.64  end_of_list.
% 18.27/18.64  
% 18.27/18.64  Passive:
% 18.27/18.64  end_of_list.
% 18.27/18.64  
% 18.27/18.64  UNIT CONFLICT from 7024 and 542 at  17.15 seconds.
% 18.27/18.64  
% 18.27/18.64  ---------------- PROOF ----------------
% 18.27/18.64  % SZS output start Refutation
% See solution above
% 18.27/18.64  ------------ end of proof -------------
% 18.27/18.64  
% 18.27/18.64  
% 18.27/18.64  ------------- memory usage ------------
% 18.27/18.64  Memory dynamically allocated (tp_alloc): 57617.
% 18.27/18.64    type (bytes each)        gets      frees     in use      avail      bytes
% 18.27/18.64  sym_ent (  96)               60          0         60          0      5.6 K
% 18.27/18.64  term (  16)             5563243    4893165     670078         76  13061.5 K
% 18.27/18.64  gen_ptr (   8)          5522864     810826    4712038         98  36813.6 K
% 18.27/18.64  context ( 808)          2214388    2214386          2         10      9.5 K
% 18.27/18.64  trail (  12)            2570374    2570374          0          6      0.1 K
% 18.27/18.64  bt_node (  68)           349761     349758          3        112      7.6 K
% 18.27/18.64  ac_position (285432)          0          0          0          0      0.0 K
% 18.27/18.64  ac_match_pos (14044)          0          0          0          0      0.0 K
% 18.27/18.64  ac_match_free_vars_pos (4020)
% 18.27/18.64                                0          0          0          0      0.0 K
% 18.27/18.64  discrim (  12)           905705     454245     451460          0   5290.5 K
% 18.27/18.64  flat (  40)            13594485   13594485          0       1239     48.4 K
% 18.27/18.64  discrim_pos (  12)       215006     215006          0          1      0.0 K
% 18.27/18.64  fpa_head (  12)            4412          0       4412          0     51.7 K
% 18.27/18.64  fpa_tree (  28)          123450     123450          0        141      3.9 K
% 18.27/18.64  fpa_pos (  36)            13041      13041          0          1      0.0 K
% 18.27/18.64  literal (  12)            31048      24024       7024          1     82.3 K
% 18.27/18.64  clause (  24)             31048      24024       7024          1    164.6 K
% 18.27/18.64  list (  12)                6076       6020         56          6      0.7 K
% 18.27/18.64  list_pos (  20)           32589      13469      19120          0    373.4 K
% 18.27/18.64  pair_index (   40)              2          0          2          0      0.1 K
% 18.27/18.64  
% 18.27/18.64  -------------- statistics -------------
% 18.27/18.64  Clauses input                 10
% 18.27/18.64    Usable input                   0
% 18.27/18.64    Sos input                     10
% 18.27/18.64    Demodulators input             0
% 18.27/18.64    Passive input                  0
% 18.27/18.64  
% 18.27/18.64  Processed BS (before search)  10
% 18.27/18.64  Forward subsumed BS            0
% 18.27/18.64  Kept BS                       10
% 18.27/18.64  New demodulators BS            9
% 18.27/18.64  Back demodulated BS            0
% 18.27/18.64  
% 18.27/18.64  Clauses or pairs given     12446
% 18.27/18.64  Clauses generated          22259
% 18.27/18.64  Forward subsumed           15245
% 18.27/18.64  Deleted by weight              0
% 18.27/18.64  Deleted by variable count      0
% 18.27/18.64  Kept                        7014
% 18.27/18.64  New demodulators            6008
% 18.27/18.64  Back demodulated            2724
% 18.27/18.64  Ordered paramod prunes         0
% 18.27/18.64  Basic paramod prunes       43299
% 18.27/18.64  Prime paramod prunes        4929
% 18.27/18.64  Semantic prunes                0
% 18.27/18.64  
% 18.27/18.64  Rewrite attmepts         1842981
% 18.27/18.64  Rewrites                  208737
% 18.27/18.64  
% 18.27/18.64  FPA overloads                  0
% 18.27/18.64  FPA underloads                 0
% 18.27/18.64  
% 18.27/18.64  Usable size                    0
% 18.27/18.64  Sos size                    4299
% 18.27/18.64  Demodulators size           3499
% 18.27/18.64  Passive size                   0
% 18.27/18.64  Disabled size               2724
% 18.27/18.64  
% 18.27/18.64  Proofs found                   1
% 18.27/18.64  
% 18.27/18.64  ----------- times (seconds) ----------- Tue Jun 14 03:40:13 2022
% 18.27/18.64  
% 18.27/18.64  user CPU time            17.15   (0 hr, 0 min, 17 sec)
% 18.27/18.64  system CPU time           0.33   (0 hr, 0 min, 0 sec)
% 18.27/18.64  wall-clock time          18      (0 hr, 0 min, 18 sec)
% 18.27/18.64  input time                0.00
% 18.27/18.64  paramodulation time       0.21
% 18.27/18.64  demodulation time         0.96
% 18.27/18.64  orient time               0.05
% 18.27/18.64  weigh time                0.01
% 18.27/18.64  forward subsume time      0.09
% 18.27/18.64  back demod find time     14.51
% 18.27/18.64  conflict time             0.01
% 18.27/18.64  LRPO time                 0.03
% 18.27/18.64  store clause time         0.98
% 18.27/18.64  disable clause time       0.17
% 18.27/18.64  prime paramod time        0.07
% 18.27/18.64  semantics time            0.00
% 18.27/18.64  
% 18.27/18.64  EQP interrupted
%------------------------------------------------------------------------------