TSTP Solution File: GRP408-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : GRP408-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n004.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 08:46:32 EDT 2022

% Result   : Unsatisfiable 0.75s 1.50s
% Output   : Refutation 0.75s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   33
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   68 (  68 unt;   0 nHn;   2 RR)
%            Number of literals    :   68 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :   15 (   3 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :  252 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(B),multiply(inverse(B),B))))),C),
    file('GRP408-1.p',unknown),
    [] ).

cnf(2,plain,
    ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))),
    file('GRP408-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(B),C)),multiply(inverse(inverse(multiply(inverse(multiply(inverse(multiply(A,D)),B)),multiply(inverse(D),multiply(inverse(D),D))))),multiply(inverse(inverse(multiply(inverse(multiply(inverse(multiply(A,D)),B)),multiply(inverse(D),multiply(inverse(D),D))))),inverse(multiply(inverse(multiply(inverse(multiply(A,D)),B)),multiply(inverse(D),multiply(inverse(D),D))))))))),C),
    inference(para,[status(thm),theory(equality)],[1,1]),
    [iquote('para(1,1)')] ).

cnf(4,plain,
    equal(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(A,B)),C)),D)),multiply(inverse(C),multiply(inverse(C),C)))),multiply(A,inverse(multiply(inverse(D),multiply(inverse(B),multiply(inverse(B),B)))))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,1]),1]),
    [iquote('para(1,1),flip(1)')] ).

cnf(6,plain,
    equal(multiply(A,inverse(multiply(inverse(B),multiply(inverse(inverse(multiply(inverse(multiply(inverse(multiply(A,C)),D)),multiply(inverse(C),multiply(inverse(C),C))))),multiply(inverse(inverse(multiply(inverse(multiply(inverse(multiply(A,C)),D)),multiply(inverse(C),multiply(inverse(C),C))))),inverse(multiply(inverse(multiply(inverse(multiply(A,C)),D)),multiply(inverse(C),multiply(inverse(C),C))))))))),inverse(multiply(inverse(multiply(inverse(multiply(inverse(D),E)),B)),multiply(inverse(E),multiply(inverse(E),E))))),
    inference(para,[status(thm),theory(equality)],[1,3]),
    [iquote('para(1,3)')] ).

cnf(9,plain,
    equal(multiply(inverse(multiply(inverse(multiply(A,B)),C)),inverse(multiply(multiply(A,inverse(multiply(inverse(D),multiply(inverse(B),multiply(inverse(B),B))))),multiply(inverse(D),multiply(inverse(D),D))))),multiply(inverse(C),multiply(inverse(C),C))),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(11,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,inverse(multiply(inverse(C),multiply(inverse(B),multiply(inverse(B),B)))))),C),
    inference(para,[status(thm),theory(equality)],[4,1]),
    [iquote('para(4,1)')] ).

cnf(16,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,multiply(C,inverse(multiply(inverse(D),multiply(inverse(E),multiply(inverse(E),E))))))),multiply(inverse(multiply(inverse(multiply(C,E)),B)),D)),
    inference(para,[status(thm),theory(equality)],[4,11]),
    [iquote('para(4,11)')] ).

cnf(17,plain,
    equal(multiply(inverse(multiply(inverse(multiply(A,B)),C)),D),multiply(inverse(multiply(E,C)),multiply(E,multiply(A,inverse(multiply(inverse(D),multiply(inverse(B),multiply(inverse(B),B)))))))),
    inference(flip,[status(thm),theory(equality)],[16]),
    [iquote('flip(16)')] ).

cnf(20,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,C)),multiply(inverse(multiply(inverse(multiply(D,E)),B)),multiply(inverse(multiply(D,E)),C))),
    inference(para,[status(thm),theory(equality)],[1,16]),
    [iquote('para(1,16)')] ).

cnf(21,plain,
    equal(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(multiply(A,B)),D)),multiply(inverse(multiply(E,C)),multiply(E,D))),
    inference(flip,[status(thm),theory(equality)],[20]),
    [iquote('flip(20)')] ).

cnf(23,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(A,multiply(B,multiply(C,inverse(multiply(inverse(D),multiply(inverse(E),multiply(inverse(E),E)))))))),F)),multiply(inverse(multiply(B,multiply(C,inverse(multiply(inverse(D),multiply(inverse(E),multiply(inverse(E),E))))))),multiply(inverse(D),D))))),F),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[16,1]),11]),
    [iquote('para(16,1),demod([11])')] ).

cnf(33,plain,
    equal(multiply(inverse(multiply(A,B)),inverse(multiply(inverse(multiply(inverse(multiply(C,D)),multiply(C,E))),multiply(inverse(D),multiply(inverse(D),D))))),multiply(inverse(multiply(A,B)),E)),
    inference(para,[status(thm),theory(equality)],[21,1]),
    [iquote('para(21,1)')] ).

cnf(52,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(B,C)),multiply(B,multiply(A,inverse(multiply(inverse(multiply(inverse(D),multiply(inverse(D),D))),multiply(inverse(D),multiply(inverse(D),D))))))))),C),
    inference(para,[status(thm),theory(equality)],[17,1]),
    [iquote('para(17,1)')] ).

cnf(60,plain,
    equal(inverse(multiply(inverse(multiply(inverse(multiply(A,B)),multiply(A,C))),multiply(inverse(B),multiply(inverse(B),B)))),C),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[33,1]),1]),1]),
    [iquote('para(33,1),demod([1]),flip(1)')] ).

cnf(70,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,C)),multiply(inverse(multiply(D,B)),multiply(D,C))),
    inference(para,[status(thm),theory(equality)],[60,11]),
    [iquote('para(60,11)')] ).

cnf(73,plain,
    equal(multiply(inverse(multiply(A,B)),C),multiply(inverse(multiply(D,B)),multiply(D,inverse(multiply(inverse(multiply(inverse(multiply(A,E)),C)),multiply(inverse(E),multiply(inverse(E),E))))))),
    inference(para,[status(thm),theory(equality)],[1,70]),
    [iquote('para(1,70)')] ).

cnf(79,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,inverse(multiply(inverse(multiply(C,D)),multiply(C,multiply(inverse(B),B)))))),multiply(inverse(B),D)),
    inference(para,[status(thm),theory(equality)],[70,11]),
    [iquote('para(70,11)')] ).

cnf(82,plain,
    equal(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(B),D)),multiply(inverse(multiply(E,C)),multiply(E,multiply(A,inverse(multiply(inverse(multiply(F,D)),multiply(F,multiply(inverse(B),B)))))))),
    inference(para,[status(thm),theory(equality)],[79,70]),
    [iquote('para(79,70)')] ).

cnf(83,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,multiply(C,inverse(multiply(inverse(multiply(D,E)),multiply(D,multiply(inverse(F),F))))))),multiply(inverse(multiply(inverse(multiply(C,F)),B)),multiply(inverse(F),E))),
    inference(flip,[status(thm),theory(equality)],[82]),
    [iquote('flip(82)')] ).

cnf(178,plain,
    equal(multiply(inverse(multiply(inverse(A),B)),multiply(inverse(A),inverse(multiply(inverse(multiply(inverse(C),multiply(inverse(C),C))),multiply(inverse(C),multiply(inverse(C),C)))))),multiply(inverse(B),multiply(inverse(B),B))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[6,9]),1,4]),
    [iquote('para(6,9),demod([1,4])')] ).

cnf(182,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(B,C)),multiply(B,multiply(A,inverse(multiply(inverse(multiply(D,multiply(inverse(E),E))),multiply(D,multiply(inverse(E),E))))))))),C),
    inference(para,[status(thm),theory(equality)],[70,52]),
    [iquote('para(70,52)')] ).

cnf(231,plain,
    equal(multiply(inverse(multiply(inverse(inverse(multiply(inverse(multiply(A,multiply(inverse(B),B))),multiply(A,multiply(inverse(B),B))))),inverse(multiply(inverse(multiply(A,multiply(inverse(B),B))),multiply(A,multiply(inverse(B),B)))))),C),multiply(inverse(inverse(multiply(inverse(multiply(A,multiply(inverse(B),B))),multiply(A,multiply(inverse(B),B))))),C)),
    inference(para,[status(thm),theory(equality)],[182,11]),
    [iquote('para(182,11)')] ).

cnf(247,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,inverse(multiply(inverse(multiply(C,D)),multiply(C,inverse(multiply(inverse(multiply(inverse(multiply(E,F)),multiply(inverse(B),multiply(inverse(B),B)))),multiply(inverse(F),multiply(inverse(F),F))))))))),multiply(E,D)),
    inference(para,[status(thm),theory(equality)],[73,11]),
    [iquote('para(73,11)')] ).

cnf(331,plain,
    equal(multiply(inverse(multiply(inverse(A),B)),multiply(inverse(A),inverse(multiply(inverse(multiply(C,multiply(inverse(D),D))),multiply(C,multiply(inverse(D),D)))))),multiply(inverse(B),multiply(inverse(B),B))),
    inference(para,[status(thm),theory(equality)],[70,178]),
    [iquote('para(70,178)')] ).

cnf(337,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,inverse(multiply(inverse(multiply(C,multiply(inverse(D),D))),multiply(C,multiply(inverse(D),D)))))),multiply(inverse(B),multiply(inverse(B),B))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[331,70]),1]),
    [iquote('para(331,70),flip(1)')] ).

cnf(340,plain,
    equal(multiply(inverse(multiply(A,B)),inverse(multiply(inverse(multiply(inverse(multiply(inverse(B),multiply(inverse(B),B))),C)),multiply(inverse(multiply(A,inverse(multiply(inverse(multiply(D,multiply(inverse(E),E))),multiply(D,multiply(inverse(E),E)))))),multiply(inverse(inverse(multiply(inverse(multiply(D,multiply(inverse(E),E))),multiply(D,multiply(inverse(E),E))))),multiply(inverse(inverse(multiply(inverse(multiply(D,multiply(inverse(E),E))),multiply(D,multiply(inverse(E),E))))),inverse(multiply(inverse(multiply(D,multiply(inverse(E),E))),multiply(D,multiply(inverse(E),E)))))))))),C),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[337,1]),337]),
    [iquote('para(337,1),demod([337])')] ).

cnf(341,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(B),multiply(inverse(B),B))),multiply(inverse(B),multiply(inverse(B),B))))),multiply(A,inverse(multiply(inverse(multiply(C,multiply(inverse(D),D))),multiply(C,multiply(inverse(D),D)))))),
    inference(para,[status(thm),theory(equality)],[337,1]),
    [iquote('para(337,1)')] ).

cnf(606,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(B,multiply(inverse(C),C))),multiply(B,multiply(inverse(C),C))))),multiply(A,inverse(multiply(inverse(multiply(D,multiply(inverse(E),E))),multiply(D,multiply(inverse(E),E)))))),
    inference(para,[status(thm),theory(equality)],[70,341]),
    [iquote('para(70,341)')] ).

cnf(800,plain,
    equal(inverse(multiply(inverse(multiply(A,multiply(inverse(B),B))),multiply(A,multiply(inverse(B),B)))),inverse(multiply(inverse(multiply(C,multiply(inverse(D),D))),multiply(C,multiply(inverse(D),D))))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[606,1]),1]),
    [iquote('para(606,1),demod([1])')] ).

cnf(811,plain,
    equal(inverse(multiply(inverse(multiply(inverse(multiply(inverse(multiply(A,B)),multiply(C,multiply(D,inverse(multiply(inverse(E),multiply(inverse(F),multiply(inverse(F),F)))))))),G)),multiply(inverse(multiply(C,multiply(D,inverse(multiply(inverse(E),multiply(inverse(F),multiply(inverse(F),F))))))),multiply(inverse(E),E)))),multiply(A,inverse(multiply(inverse(G),multiply(inverse(B),multiply(inverse(B),B)))))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[23,1]),1]),
    [iquote('para(23,1),flip(1)')] ).

cnf(819,plain,
    equal(inverse(multiply(inverse(A),A)),inverse(multiply(inverse(multiply(B,multiply(inverse(C),C))),multiply(B,multiply(inverse(C),C))))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[11,800]),11]),
    [iquote('para(11,800),demod([11])')] ).

cnf(824,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(B,multiply(inverse(C),C))),multiply(B,multiply(inverse(C),C)))),multiply(inverse(D),multiply(inverse(D),D))))),multiply(A,D)),
    inference(para,[status(thm),theory(equality)],[819,1]),
    [iquote('para(819,1)')] ).

cnf(827,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,B)),multiply(inverse(C),C)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[819,11]),824]),
    [iquote('para(819,11),demod([824])')] ).

cnf(834,plain,
    equal(multiply(inverse(A),A),multiply(inverse(B),B)),
    inference(para,[status(thm),theory(equality)],[827,827]),
    [iquote('para(827,827)')] ).

cnf(850,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(B),B)),multiply(inverse(C),multiply(inverse(C),C))))),multiply(A,C)),
    inference(para,[status(thm),theory(equality)],[834,1]),
    [iquote('para(834,1)')] ).

cnf(865,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(B),multiply(inverse(D),D))))),C),
    inference(para,[status(thm),theory(equality)],[834,1]),
    [iquote('para(834,1)')] ).

cnf(866,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,inverse(multiply(inverse(C),multiply(inverse(B),multiply(inverse(D),D)))))),C),
    inference(para,[status(thm),theory(equality)],[834,11]),
    [iquote('para(834,11)')] ).

cnf(867,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,inverse(multiply(inverse(C),C)))),multiply(inverse(B),multiply(inverse(B),B))),
    inference(para,[status(thm),theory(equality)],[834,11]),
    [iquote('para(834,11)')] ).

cnf(870,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(B),B)),multiply(inverse(C),multiply(inverse(D),D))))),multiply(A,C)),
    inference(para,[status(thm),theory(equality)],[834,850]),
    [iquote('para(834,850)')] ).

cnf(872,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(A,multiply(inverse(B),B))),C)),multiply(inverse(D),D)))),C),
    inference(para,[status(thm),theory(equality)],[834,865]),
    [iquote('para(834,865)')] ).

cnf(873,plain,
    equal(multiply(inverse(multiply(A,multiply(inverse(B),B))),multiply(A,inverse(multiply(inverse(C),multiply(inverse(D),D))))),C),
    inference(para,[status(thm),theory(equality)],[834,866]),
    [iquote('para(834,866)')] ).

cnf(880,plain,
    equal(multiply(A,inverse(multiply(inverse(B),B))),multiply(A,multiply(inverse(C),C))),
    inference(para,[status(thm),theory(equality)],[834,870]),
    [iquote('para(834,870)')] ).

cnf(928,plain,
    equal(multiply(inverse(multiply(inverse(A),A)),inverse(multiply(inverse(multiply(inverse(multiply(inverse(B),B)),C)),multiply(inverse(D),D)))),C),
    inference(para,[status(thm),theory(equality)],[834,872]),
    [iquote('para(834,872)')] ).

cnf(929,plain,
    equal(multiply(inverse(multiply(inverse(inverse(multiply(inverse(A),multiply(inverse(B),B)))),multiply(inverse(C),C))),multiply(inverse(D),D)),A),
    inference(para,[status(thm),theory(equality)],[834,873]),
    [iquote('para(834,873)')] ).

cnf(944,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,multiply(inverse(C),C))),multiply(inverse(B),multiply(inverse(B),B))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[880,70]),867]),
    [iquote('para(880,70),demod([867])')] ).

cnf(1023,plain,
    equal(multiply(inverse(multiply(A,B)),inverse(multiply(inverse(multiply(inverse(multiply(inverse(B),multiply(inverse(B),B))),C)),multiply(inverse(multiply(A,multiply(inverse(D),D))),multiply(inverse(inverse(multiply(inverse(multiply(inverse(D),D)),multiply(inverse(multiply(inverse(D),D)),multiply(inverse(D),D))))),multiply(inverse(inverse(multiply(inverse(multiply(inverse(D),D)),multiply(inverse(multiply(inverse(D),D)),multiply(inverse(D),D))))),multiply(inverse(D),D))))))),C),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[340]),944,870,944,944,944,870]),
    [iquote('back_demod(340),demod([944,870,944,944,944,870])')] ).

cnf(1038,plain,
    equal(multiply(inverse(multiply(inverse(inverse(multiply(inverse(multiply(inverse(A),A)),multiply(inverse(multiply(inverse(A),A)),multiply(inverse(A),A))))),multiply(inverse(A),A))),B),multiply(inverse(inverse(multiply(inverse(multiply(inverse(A),A)),multiply(inverse(multiply(inverse(A),A)),multiply(inverse(A),A))))),B)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[231]),944,944,870,944]),
    [iquote('back_demod(231),demod([944,944,870,944])')] ).

cnf(1043,plain,
    equal(multiply(A,inverse(multiply(inverse(multiply(B,C)),multiply(B,multiply(A,multiply(inverse(D),D)))))),C),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[182]),944,870]),
    [iquote('back_demod(182),demod([944,870])')] ).

cnf(1051,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,multiply(C,inverse(multiply(inverse(D),multiply(inverse(D),D)))))),multiply(inverse(multiply(inverse(multiply(C,E)),B)),multiply(inverse(E),D))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[83]),944]),
    [iquote('back_demod(83),demod([944])')] ).

cnf(1052,plain,
    equal(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(B),D)),multiply(inverse(multiply(E,C)),multiply(E,multiply(A,inverse(multiply(inverse(D),multiply(inverse(D),D))))))),
    inference(flip,[status(thm),theory(equality)],[1051]),
    [iquote('flip(1051)')] ).

cnf(1053,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,inverse(multiply(inverse(C),multiply(inverse(C),C))))),multiply(inverse(B),C)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[79]),944]),
    [iquote('back_demod(79),demod([944])')] ).

cnf(1058,plain,
    equal(multiply(inverse(multiply(inverse(A),A)),inverse(multiply(inverse(B),multiply(inverse(B),B)))),B),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[834,1043]),944]),
    [iquote('para(834,1043),demod([944])')] ).

cnf(1059,plain,
    equal(multiply(inverse(multiply(inverse(A),A)),inverse(multiply(inverse(B),multiply(inverse(C),C)))),B),
    inference(para,[status(thm),theory(equality)],[834,1058]),
    [iquote('para(834,1058)')] ).

cnf(1060,plain,
    equal(multiply(inverse(multiply(inverse(A),A)),B),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[928]),1059]),
    [iquote('back_demod(928),demod([1059])')] ).

cnf(1061,plain,
    equal(inverse(multiply(inverse(A),multiply(inverse(B),B))),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1059]),1060]),
    [iquote('back_demod(1059),demod([1060])')] ).

cnf(1065,plain,
    equal(multiply(inverse(multiply(A,B)),multiply(A,C)),multiply(inverse(B),C)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1053]),1061]),
    [iquote('back_demod(1053),demod([1061])')] ).

cnf(1271,plain,
    equal(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(B),D)),multiply(inverse(C),multiply(A,D))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1052]),1061,1065]),
    [iquote('back_demod(1052),demod([1061,1065])')] ).

cnf(1438,plain,
    equal(inverse(multiply(inverse(A),multiply(inverse(multiply(B,C)),multiply(inverse(D),D)))),multiply(B,inverse(multiply(inverse(A),multiply(inverse(C),multiply(inverse(C),C)))))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[811]),1271]),
    [iquote('back_demod(811),demod([1271])')] ).

cnf(1456,plain,
    equal(multiply(inverse(inverse(multiply(inverse(A),A))),B),B),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1038]),1065,1065,1061,1060,1065,1065]),1]),
    [iquote('back_demod(1038),demod([1065,1065,1061,1060,1065,1065]),flip(1)')] ).

cnf(1459,plain,
    equal(multiply(inverse(A),multiply(A,B)),B),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1023]),1061,1065,1065,1065,1065,1456,1456,1438,1065,1065,1061,1065]),
    [iquote('back_demod(1023),demod([1061,1065,1065,1065,1065,1456,1456,1438,1065,1065,1061,1065])')] ).

cnf(1561,plain,
    equal(multiply(inverse(A),inverse(multiply(inverse(B),inverse(multiply(A,multiply(C,multiply(inverse(D),D))))))),multiply(C,B)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[247]),1271,1061,1065,1065]),
    [iquote('back_demod(247),demod([1271,1061,1065,1065])')] ).

cnf(1571,plain,
    equal(multiply(A,multiply(inverse(B),B)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[929]),1061,1061]),
    [iquote('back_demod(929),demod([1061,1061])')] ).

cnf(1631,plain,
    equal(multiply(inverse(A),inverse(multiply(inverse(B),inverse(multiply(A,C))))),multiply(C,B)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1561]),1571]),
    [iquote('back_demod(1561),demod([1571])')] ).

cnf(1750,plain,
    equal(inverse(multiply(inverse(A),inverse(multiply(B,C)))),multiply(B,inverse(multiply(inverse(A),inverse(C))))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1438]),1571,1571]),
    [iquote('back_demod(1438),demod([1571,1571])')] ).

cnf(1757,plain,
    equal(inverse(multiply(inverse(A),inverse(B))),multiply(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1631]),1750,1459]),
    [iquote('back_demod(1631),demod([1750,1459])')] ).

cnf(1763,plain,
    equal(multiply(multiply(A,B),C),multiply(A,multiply(B,C))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1750]),1757,1757]),
    [iquote('back_demod(1750),demod([1757,1757])')] ).

cnf(1764,plain,
    $false,
    inference(conflict,[status(thm)],[1763,2]),
    [iquote('conflict(1763,2)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : GRP408-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.13/0.34  % Computer : n004.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Tue Jun 14 08:28:24 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.75/1.50  ----- EQP 0.9e, May 2009 -----
% 0.75/1.50  The job began on n004.cluster.edu, Tue Jun 14 08:28:24 2022
% 0.75/1.50  The command was "./eqp09e".
% 0.75/1.50  
% 0.75/1.50  set(prolog_style_variables).
% 0.75/1.50  set(lrpo).
% 0.75/1.50  set(basic_paramod).
% 0.75/1.50  set(functional_subsume).
% 0.75/1.50  set(ordered_paramod).
% 0.75/1.50  set(prime_paramod).
% 0.75/1.50  set(para_pairs).
% 0.75/1.50  assign(pick_given_ratio,4).
% 0.75/1.50  clear(print_kept).
% 0.75/1.50  clear(print_new_demod).
% 0.75/1.50  clear(print_back_demod).
% 0.75/1.50  clear(print_given).
% 0.75/1.50  assign(max_mem,64000).
% 0.75/1.50  end_of_commands.
% 0.75/1.50  
% 0.75/1.50  Usable:
% 0.75/1.50  end_of_list.
% 0.75/1.50  
% 0.75/1.50  Sos:
% 0.75/1.50  0 (wt=-1) [] multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(B),multiply(inverse(B),B))))) = C.
% 0.75/1.50  0 (wt=-1) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.75/1.50  end_of_list.
% 0.75/1.50  
% 0.75/1.50  Demodulators:
% 0.75/1.50  end_of_list.
% 0.75/1.50  
% 0.75/1.50  Passive:
% 0.75/1.50  end_of_list.
% 0.75/1.50  
% 0.75/1.50  Starting to process input.
% 0.75/1.50  
% 0.75/1.50  ** KEPT: 1 (wt=20) [] multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(B),multiply(inverse(B),B))))) = C.
% 0.75/1.50  1 is a new demodulator.
% 0.75/1.50  
% 0.75/1.50  ** KEPT: 2 (wt=11) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.75/1.50  ---------------- PROOF FOUND ----------------
% 0.75/1.50  % SZS status Unsatisfiable
% 0.75/1.50  
% 0.75/1.50  
% 0.75/1.50  After processing input:
% 0.75/1.50  
% 0.75/1.50  Usable:
% 0.75/1.50  end_of_list.
% 0.75/1.50  
% 0.75/1.50  Sos:
% 0.75/1.50  2 (wt=11) [] -(multiply(multiply(a3,b3),c3) = multiply(a3,multiply(b3,c3))).
% 0.75/1.50  1 (wt=20) [] multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(B),multiply(inverse(B),B))))) = C.
% 0.75/1.50  end_of_list.
% 0.75/1.50  
% 0.75/1.50  Demodulators:
% 0.75/1.50  1 (wt=20) [] multiply(A,inverse(multiply(inverse(multiply(inverse(multiply(A,B)),C)),multiply(inverse(B),multiply(inverse(B),B))))) = C.
% 0.75/1.50  end_of_list.
% 0.75/1.50  
% 0.75/1.50  Passive:
% 0.75/1.50  end_of_list.
% 0.75/1.50  
% 0.75/1.50  UNIT CONFLICT from 1763 and 2 at   0.34 seconds.
% 0.75/1.50  
% 0.75/1.50  ---------------- PROOF ----------------
% 0.75/1.50  % SZS output start Refutation
% See solution above
% 0.75/1.51  ------------ end of proof -------------
% 0.75/1.51  
% 0.75/1.51  
% 0.75/1.51  ------------- memory usage ------------
% 0.75/1.51  Memory dynamically allocated (tp_alloc): 11230.
% 0.75/1.51    type (bytes each)        gets      frees     in use      avail      bytes
% 0.75/1.51  sym_ent (  96)               56          0         56          0      5.2 K
% 0.75/1.51  term (  16)              354565     227153     127412         88   2483.3 K
% 0.75/1.51  gen_ptr (   8)          1094943     173756     921187         67   7197.3 K
% 0.75/1.51  context ( 808)           210723     210721          2          5      5.5 K
% 0.75/1.51  trail (  12)              75503      75503          0         11      0.1 K
% 0.75/1.51  bt_node (  68)            24410      24406          4        186     12.6 K
% 0.75/1.51  ac_position (285432)          0          0          0          0      0.0 K
% 0.75/1.51  ac_match_pos (14044)          0          0          0          0      0.0 K
% 0.75/1.51  ac_match_free_vars_pos (4020)
% 0.75/1.51                                0          0          0          0      0.0 K
% 0.75/1.51  discrim (  12)           135801     114868      20933      57398    917.9 K
% 0.75/1.51  flat (  40)             1313568    1313568          0        385     15.0 K
% 0.75/1.51  discrim_pos (  12)         6161       6161          0          1      0.0 K
% 0.75/1.51  fpa_head (  12)            5401          0       5401          0     63.3 K
% 0.75/1.51  fpa_tree (  28)           12603      12603          0         31      0.8 K
% 0.75/1.51  fpa_pos (  36)             2647       2647          0          1      0.0 K
% 0.75/1.51  literal (  12)             6376       4613       1763          1     20.7 K
% 0.75/1.51  clause (  24)              6376       4613       1763          1     41.3 K
% 0.75/1.51  list (  12)                 943        878         65          2      0.8 K
% 0.75/1.51  list_pos (  20)           10014       5763       4251         78     84.6 K
% 0.75/1.51  pair_index (   40)              2          0          2          0      0.1 K
% 0.75/1.51  
% 0.75/1.51  -------------- statistics -------------
% 0.75/1.51  Clauses input                  2
% 0.75/1.51    Usable input                   0
% 0.75/1.51    Sos input                      2
% 0.75/1.51    Demodulators input             0
% 0.75/1.51    Passive input                  0
% 0.75/1.51  
% 0.75/1.51  Processed BS (before search)   2
% 0.75/1.51  Forward subsumed BS            0
% 0.75/1.51  Kept BS                        2
% 0.75/1.51  New demodulators BS            1
% 0.75/1.51  Back demodulated BS            0
% 0.75/1.51  
% 0.75/1.51  Clauses or pairs given       962
% 0.75/1.51  Clauses generated           3356
% 0.75/1.51  Forward subsumed            1595
% 0.75/1.51  Deleted by weight              0
% 0.75/1.51  Deleted by variable count      0
% 0.75/1.51  Kept                        1761
% 0.75/1.51  New demodulators             883
% 0.75/1.51  Back demodulated            1262
% 0.75/1.51  Ordered paramod prunes         0
% 0.75/1.51  Basic paramod prunes       14254
% 0.75/1.51  Prime paramod prunes          46
% 0.75/1.51  Semantic prunes                0
% 0.75/1.51  
% 0.75/1.51  Rewrite attmepts          173776
% 0.75/1.51  Rewrites                    5080
% 0.75/1.51  
% 0.75/1.51  FPA overloads                  0
% 0.75/1.51  FPA underloads                 0
% 0.75/1.51  
% 0.75/1.51  Usable size                    0
% 0.75/1.51  Sos size                     500
% 0.75/1.51  Demodulators size            236
% 0.75/1.51  Passive size                   0
% 0.75/1.51  Disabled size               1262
% 0.75/1.51  
% 0.75/1.51  Proofs found                   1
% 0.75/1.51  
% 0.75/1.51  ----------- times (seconds) ----------- Tue Jun 14 08:28:25 2022
% 0.75/1.51  
% 0.75/1.51  user CPU time             0.34   (0 hr, 0 min, 0 sec)
% 0.75/1.51  system CPU time           0.06   (0 hr, 0 min, 0 sec)
% 0.75/1.51  wall-clock time           1      (0 hr, 0 min, 1 sec)
% 0.75/1.51  input time                0.00
% 0.75/1.51  paramodulation time       0.02
% 0.75/1.51  demodulation time         0.06
% 0.75/1.51  orient time               0.01
% 0.75/1.51  weigh time                0.00
% 0.75/1.51  forward subsume time      0.01
% 0.75/1.51  back demod find time      0.06
% 0.75/1.51  conflict time             0.00
% 0.75/1.51  LRPO time                 0.01
% 0.75/1.51  store clause time         0.12
% 0.75/1.51  disable clause time       0.02
% 0.75/1.51  prime paramod time        0.00
% 0.75/1.51  semantics time            0.00
% 0.75/1.51  
% 0.75/1.51  EQP interrupted
%------------------------------------------------------------------------------