TSTP Solution File: REL047-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : REL047-1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n006.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 : Mon Jul 18 19:16:12 EDT 2022

% Result   : Unsatisfiable 7.26s 7.65s
% Output   : Refutation 7.26s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   25
%            Number of leaves      :    8
% Syntax   : Number of clauses     :  102 ( 102 unt;   0 nHn;  14 RR)
%            Number of literals    :  102 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   6 con; 0-2 aty)
%            Number of variables   :  154 (  21 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(join(A,B),join(B,A)),
    file('REL047-1.p',unknown),
    [] ).

cnf(2,plain,
    equal(join(join(A,B),C),join(A,join(B,C))),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(3,plain,
    equal(join(complement(join(complement(A),complement(B))),complement(join(complement(A),B))),A),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(4,plain,
    equal(complement(join(complement(A),complement(B))),meet(A,B)),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(5,plain,
    equal(join(meet(A,B),complement(join(complement(A),B))),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[3]),4]),
    [iquote('back_demod(3),demod([4])')] ).

cnf(7,plain,
    equal(composition(A,one),A),
    file('REL047-1.p',unknown),
    [] ).

cnf(9,plain,
    equal(converse(converse(A)),A),
    file('REL047-1.p',unknown),
    [] ).

cnf(11,plain,
    equal(converse(composition(A,B)),composition(converse(B),converse(A))),
    file('REL047-1.p',unknown),
    [] ).

cnf(12,plain,
    equal(join(composition(converse(A),complement(composition(A,B))),complement(B)),complement(B)),
    file('REL047-1.p',unknown),
    [] ).

cnf(13,plain,
    equal(join(A,complement(A)),top),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(14,plain,
    equal(meet(A,complement(A)),zero),
    inference(flip,[status(thm),theory(equality)],[1]),
    [iquote('flip(1)')] ).

cnf(15,plain,
    equal(join(sk1,sk2),sk2),
    file('REL047-1.p',unknown),
    [] ).

cnf(16,plain,
    equal(join(sk1,sk3),sk3),
    file('REL047-1.p',unknown),
    [] ).

cnf(17,plain,
    ~ equal(join(sk1,meet(sk2,sk3)),meet(sk2,sk3)),
    file('REL047-1.p',unknown),
    [] ).

cnf(18,plain,
    equal(join(A,join(B,C)),join(C,join(A,B))),
    inference(para,[status(thm),theory(equality)],[2,1]),
    [iquote('para(2,1)')] ).

cnf(19,plain,
    equal(join(A,join(B,C)),join(B,join(C,A))),
    inference(flip,[status(thm),theory(equality)],[18]),
    [iquote('flip(18)')] ).

cnf(20,plain,
    equal(join(A,join(B,C)),join(B,join(A,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,2]),2]),
    [iquote('para(1,2),demod([2])')] ).

cnf(21,plain,
    equal(meet(A,B),meet(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,4]),4]),
    [iquote('para(1,4),demod([4])')] ).

cnf(22,plain,
    equal(complement(join(meet(A,B),complement(C))),meet(join(complement(A),complement(B)),C)),
    inference(para,[status(thm),theory(equality)],[4,4]),
    [iquote('para(4,4)')] ).

cnf(25,plain,
    equal(join(complement(join(complement(A),B)),meet(A,B)),A),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,1]),1]),
    [iquote('para(5,1),flip(1)')] ).

cnf(26,plain,
    equal(join(meet(A,B),complement(join(B,complement(A)))),A),
    inference(para,[status(thm),theory(equality)],[1,5]),
    [iquote('para(1,5)')] ).

cnf(27,plain,
    equal(join(meet(A,B),join(complement(join(complement(A),B)),C)),join(A,C)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,2]),1]),
    [iquote('para(5,2),flip(1)')] ).

cnf(30,plain,
    equal(join(meet(A,complement(B)),meet(A,B)),A),
    inference(para,[status(thm),theory(equality)],[4,5]),
    [iquote('para(4,5)')] ).

cnf(31,plain,
    equal(join(complement(A),A),top),
    inference(para,[status(thm),theory(equality)],[1,13]),
    [iquote('para(1,13)')] ).

cnf(32,plain,
    equal(meet(complement(A),A),zero),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[14,21]),1]),
    [iquote('para(14,21),flip(1)')] ).

cnf(39,plain,
    equal(composition(converse(one),converse(A)),converse(A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[7,11]),1]),
    [iquote('para(7,11),flip(1)')] ).

cnf(40,plain,
    equal(composition(converse(one),A),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[9,39]),9]),
    [iquote('para(9,39),demod([9])')] ).

cnf(41,plain,
    equal(converse(one),one),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[40,7]),1]),
    [iquote('para(40,7),flip(1)')] ).

cnf(42,plain,
    equal(composition(one,A),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[40]),41]),
    [iquote('back_demod(40),demod([41])')] ).

cnf(56,plain,
    equal(join(A,join(complement(A),B)),join(top,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[13,2]),1]),
    [iquote('para(13,2),flip(1)')] ).

cnf(58,plain,
    equal(complement(top),zero),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[13,4]),14]),
    [iquote('para(13,4),demod([14])')] ).

cnf(59,plain,
    equal(join(complement(A),join(complement(B),meet(A,B))),top),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,13]),2]),
    [iquote('para(4,13),demod([2])')] ).

cnf(60,plain,
    equal(join(meet(A,complement(complement(A))),zero),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[13,5]),58]),
    [iquote('para(13,5),demod([58])')] ).

cnf(65,plain,
    equal(join(zero,meet(A,A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[14,5]),4]),
    [iquote('para(14,5),demod([4])')] ).

cnf(75,plain,
    equal(join(meet(A,A),zero),A),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[65,1]),1]),
    [iquote('para(65,1),flip(1)')] ).

cnf(106,plain,
    equal(complement(join(zero,complement(A))),meet(top,A)),
    inference(para,[status(thm),theory(equality)],[58,4]),
    [iquote('para(58,4)')] ).

cnf(107,plain,
    equal(complement(join(complement(A),zero)),meet(A,top)),
    inference(para,[status(thm),theory(equality)],[58,4]),
    [iquote('para(58,4)')] ).

cnf(108,plain,
    equal(complement(join(zero,zero)),meet(top,top)),
    inference(para,[status(thm),theory(equality)],[58,106]),
    [iquote('para(58,106)')] ).

cnf(127,plain,
    equal(join(meet(join(complement(A),B),meet(A,B)),complement(A)),join(complement(A),B)),
    inference(para,[status(thm),theory(equality)],[25,5]),
    [iquote('para(25,5)')] ).

cnf(138,plain,
    equal(join(meet(A,complement(B)),meet(B,A)),A),
    inference(para,[status(thm),theory(equality)],[4,26]),
    [iquote('para(4,26)')] ).

cnf(148,plain,
    equal(join(meet(join(A,complement(B)),meet(B,A)),complement(B)),join(A,complement(B))),
    inference(para,[status(thm),theory(equality)],[26,26]),
    [iquote('para(26,26)')] ).

cnf(188,plain,
    equal(join(meet(A,complement(B)),join(meet(A,B),C)),join(A,C)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[30,2]),1]),
    [iquote('para(30,2),flip(1)')] ).

cnf(191,plain,
    equal(join(meet(A,complement(B)),join(C,meet(A,B))),join(C,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[30,20]),1]),
    [iquote('para(30,20),flip(1)')] ).

cnf(194,plain,
    equal(join(complement(A),join(A,B)),join(top,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[31,2]),1]),
    [iquote('para(31,2),flip(1)')] ).

cnf(200,plain,
    equal(join(meet(A,B),top),join(top,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[31,27]),56]),
    [iquote('para(31,27),demod([56])')] ).

cnf(203,plain,
    equal(join(zero,complement(join(A,complement(complement(A))))),complement(A)),
    inference(para,[status(thm),theory(equality)],[32,26]),
    [iquote('para(32,26)')] ).

cnf(204,plain,
    equal(join(zero,meet(complement(complement(A)),A)),complement(complement(A))),
    inference(para,[status(thm),theory(equality)],[32,30]),
    [iquote('para(32,30)')] ).

cnf(252,plain,
    equal(join(meet(complement(complement(A)),A),zero),A),
    inference(para,[status(thm),theory(equality)],[21,60]),
    [iquote('para(21,60)')] ).

cnf(255,plain,
    equal(join(complement(A),complement(A)),complement(A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[41,12]),42,42]),
    [iquote('para(41,12),demod([42,42])')] ).

cnf(256,plain,
    equal(join(zero,zero),zero),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[58,255]),58,58]),
    [iquote('para(58,255),demod([58,58])')] ).

cnf(258,plain,
    equal(complement(zero),meet(top,top)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[108]),256]),
    [iquote('back_demod(108),demod([256])')] ).

cnf(294,plain,
    equal(join(top,meet(A,B)),join(top,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[200,1]),1]),
    [iquote('para(200,1),flip(1)')] ).

cnf(295,plain,
    equal(complement(complement(A)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[252,1]),204]),1]),
    [iquote('para(252,1),demod([204]),flip(1)')] ).

cnf(296,plain,
    equal(join(zero,complement(join(A,A))),complement(A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[203]),295]),
    [iquote('back_demod(203),demod([295])')] ).

cnf(298,plain,
    equal(meet(top,top),top),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[58,295]),258]),
    [iquote('para(58,295),demod([258])')] ).

cnf(302,plain,
    equal(complement(zero),top),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[258]),298]),
    [iquote('back_demod(258),demod([298])')] ).

cnf(313,plain,
    equal(join(A,A),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[295,255]),295,295]),
    [iquote('para(295,255),demod([295,295])')] ).

cnf(314,plain,
    equal(join(zero,complement(A)),complement(A)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[296]),313]),
    [iquote('back_demod(296),demod([313])')] ).

cnf(316,plain,
    equal(meet(top,A),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[106]),314,295]),1]),
    [iquote('back_demod(106),demod([314,295]),flip(1)')] ).

cnf(324,plain,
    equal(join(zero,A),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[295,314]),295]),
    [iquote('para(295,314),demod([295])')] ).

cnf(327,plain,
    equal(meet(A,A),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[65]),324]),
    [iquote('back_demod(65),demod([324])')] ).

cnf(328,plain,
    equal(join(A,zero),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[75]),327]),
    [iquote('back_demod(75),demod([327])')] ).

cnf(331,plain,
    equal(meet(A,top),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[107]),328,295]),1]),
    [iquote('back_demod(107),demod([328,295]),flip(1)')] ).

cnf(370,plain,
    equal(complement(join(complement(A),top)),meet(A,zero)),
    inference(para,[status(thm),theory(equality)],[302,4]),
    [iquote('para(302,4)')] ).

cnf(376,plain,
    equal(complement(join(A,top)),meet(complement(A),zero)),
    inference(para,[status(thm),theory(equality)],[295,370]),
    [iquote('para(295,370)')] ).

cnf(424,plain,
    equal(join(A,top),top),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[376,13]),2,294,328]),
    [iquote('para(376,13),demod([2,294,328])')] ).

cnf(426,plain,
    equal(join(top,A),top),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[200]),424]),1]),
    [iquote('back_demod(200),demod([424]),flip(1)')] ).

cnf(429,plain,
    equal(join(complement(A),join(A,B)),top),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[194]),426]),
    [iquote('back_demod(194),demod([426])')] ).

cnf(469,plain,
    equal(complement(meet(A,B)),join(complement(A),complement(B))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[58,22]),328,331]),
    [iquote('para(58,22),demod([328,331])')] ).

cnf(495,plain,
    equal(join(A,join(complement(B),meet(join(complement(A),C),B))),top),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[59,27]),424]),1]),
    [iquote('para(59,27),demod([424]),flip(1)')] ).

cnf(508,plain,
    equal(complement(join(A,complement(B))),meet(complement(A),B)),
    inference(para,[status(thm),theory(equality)],[295,4]),
    [iquote('para(295,4)')] ).

cnf(547,plain,
    equal(complement(join(A,B)),meet(complement(A),complement(B))),
    inference(para,[status(thm),theory(equality)],[295,508]),
    [iquote('para(295,508)')] ).

cnf(1335,plain,
    equal(join(meet(meet(A,B),join(complement(A),B)),complement(A)),join(complement(A),B)),
    inference(para,[status(thm),theory(equality)],[21,127]),
    [iquote('para(21,127)')] ).

cnf(1473,plain,
    equal(join(meet(A,B),A),join(A,meet(B,A))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[138,188]),295]),
    [iquote('para(138,188),demod([295])')] ).

cnf(1474,plain,
    equal(join(A,meet(B,A)),join(meet(A,B),A)),
    inference(flip,[status(thm),theory(equality)],[1473]),
    [iquote('flip(1473)')] ).

cnf(2320,plain,
    equal(meet(A,meet(complement(A),complement(B))),zero),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[429,547]),58,295,547]),1]),
    [iquote('para(429,547),demod([58,295,547]),flip(1)')] ).

cnf(2322,plain,
    equal(meet(A,meet(complement(A),B)),zero),
    inference(para,[status(thm),theory(equality)],[295,2320]),
    [iquote('para(295,2320)')] ).

cnf(3308,plain,
    equal(meet(A,join(A,complement(B))),A),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[2322,30]),469,295,328]),
    [iquote('para(2322,30),demod([469,295,328])')] ).

cnf(3309,plain,
    equal(meet(A,join(A,B)),A),
    inference(para,[status(thm),theory(equality)],[295,3308]),
    [iquote('para(295,3308)')] ).

cnf(3409,plain,
    equal(join(A,meet(A,B)),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[313,188]),30]),1]),
    [iquote('para(313,188),demod([30]),flip(1)')] ).

cnf(3410,plain,
    equal(join(meet(A,B),A),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[313,191]),30]),1]),
    [iquote('para(313,191),demod([30]),flip(1)')] ).

cnf(3411,plain,
    equal(join(A,meet(B,A)),A),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1474]),3410]),
    [iquote('back_demod(1474),demod([3410])')] ).

cnf(9874,plain,
    equal(meet(A,join(B,join(C,A))),A),
    inference(para,[status(thm),theory(equality)],[19,3309]),
    [iquote('para(19,3309)')] ).

cnf(9880,plain,
    equal(meet(meet(A,B),join(C,B)),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[3411,9874]),
    [iquote('para(3411,9874)')] ).

cnf(9882,plain,
    equal(join(meet(A,B),complement(A)),join(complement(A),B)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[1335]),9880]),
    [iquote('back_demod(1335),demod([9880])')] ).

cnf(9884,plain,
    equal(join(complement(A),join(meet(join(complement(B),C),A),B)),top),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[495,1]),2]),1]),
    [iquote('para(495,1),demod([2]),flip(1)')] ).

cnf(9897,plain,
    equal(join(meet(complement(A),B),A),join(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[295,9882]),295]),
    [iquote('para(295,9882),demod([295])')] ).

cnf(9938,plain,
    equal(join(meet(A,complement(B)),B),join(B,A)),
    inference(para,[status(thm),theory(equality)],[21,9897]),
    [iquote('para(21,9897)')] ).

cnf(10479,plain,
    equal(join(meet(A,B),join(C,A)),join(C,A)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3409,18]),1]),
    [iquote('para(3409,18),flip(1)')] ).

cnf(15172,plain,
    equal(meet(join(complement(A),complement(B)),A),meet(complement(B),A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[148,547]),547,295,469,547,295,469,10479,295]),1]),
    [iquote('para(148,547),demod([547,295,469,547,295,469,10479,295]),flip(1)')] ).

cnf(15217,plain,
    equal(meet(join(complement(A),B),A),meet(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[295,15172]),295]),
    [iquote('para(295,15172),demod([295])')] ).

cnf(15241,plain,
    equal(meet(join(A,complement(B)),B),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[1,15217]),
    [iquote('para(1,15217)')] ).

cnf(17484,plain,
    equal(join(complement(A),join(meet(join(B,C),A),complement(B))),top),
    inference(para,[status(thm),theory(equality)],[295,9884]),
    [iquote('para(295,9884)')] ).

cnf(19499,plain,
    equal(join(complement(A),join(meet(sk2,A),complement(sk1))),top),
    inference(para,[status(thm),theory(equality)],[15,17484]),
    [iquote('para(15,17484)')] ).

cnf(19502,plain,
    equal(join(A,join(meet(sk2,complement(A)),complement(sk1))),top),
    inference(para,[status(thm),theory(equality)],[295,19499]),
    [iquote('para(295,19499)')] ).

cnf(19511,plain,
    equal(join(meet(sk2,complement(A)),join(complement(sk1),A)),top),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[19502,1]),2]),1]),
    [iquote('para(19502,1),demod([2]),flip(1)')] ).

cnf(19631,plain,
    equal(join(meet(sk2,join(sk1,complement(A))),complement(sk1)),top),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3409,19511]),469,295]),
    [iquote('para(3409,19511),demod([469,295])')] ).

cnf(19636,plain,
    equal(join(meet(sk2,join(sk1,A)),complement(sk1)),top),
    inference(para,[status(thm),theory(equality)],[295,19631]),
    [iquote('para(295,19631)')] ).

cnf(19639,plain,
    equal(join(meet(sk2,sk3),complement(sk1)),top),
    inference(para,[status(thm),theory(equality)],[16,19636]),
    [iquote('para(16,19636)')] ).

cnf(20322,plain,
    equal(meet(meet(sk2,sk3),sk1),sk1),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[19639,15241]),316]),1]),
    [iquote('para(19639,15241),demod([316]),flip(1)')] ).

cnf(20389,plain,
    equal(join(sk1,meet(sk2,sk3)),meet(sk2,sk3)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[20322,30]),9938]),
    [iquote('para(20322,30),demod([9938])')] ).

cnf(20390,plain,
    $false,
    inference(conflict,[status(thm)],[20389,17]),
    [iquote('conflict(20389,17)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : REL047-1 : TPTP v8.1.0. Released v4.0.0.
% 0.03/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.34  % Computer : n006.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Fri Jul  8 08:44:21 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 7.26/7.65  ----- EQP 0.9e, May 2009 -----
% 7.26/7.65  The job began on n006.cluster.edu, Fri Jul  8 08:44:22 2022
% 7.26/7.65  The command was "./eqp09e".
% 7.26/7.65  
% 7.26/7.65  set(prolog_style_variables).
% 7.26/7.65  set(lrpo).
% 7.26/7.65  set(basic_paramod).
% 7.26/7.65  set(functional_subsume).
% 7.26/7.65  set(ordered_paramod).
% 7.26/7.65  set(prime_paramod).
% 7.26/7.65  set(para_pairs).
% 7.26/7.65  assign(pick_given_ratio,4).
% 7.26/7.65  clear(print_kept).
% 7.26/7.65  clear(print_new_demod).
% 7.26/7.65  clear(print_back_demod).
% 7.26/7.65  clear(print_given).
% 7.26/7.65  assign(max_mem,64000).
% 7.26/7.65  end_of_commands.
% 7.26/7.65  
% 7.26/7.65  Usable:
% 7.26/7.65  end_of_list.
% 7.26/7.65  
% 7.26/7.65  Sos:
% 7.26/7.65  0 (wt=-1) [] join(A,B) = join(B,A).
% 7.26/7.65  0 (wt=-1) [] join(A,join(B,C)) = join(join(A,B),C).
% 7.26/7.65  0 (wt=-1) [] A = join(complement(join(complement(A),complement(B))),complement(join(complement(A),B))).
% 7.26/7.65  0 (wt=-1) [] meet(A,B) = complement(join(complement(A),complement(B))).
% 7.26/7.65  0 (wt=-1) [] composition(A,composition(B,C)) = composition(composition(A,B),C).
% 7.26/7.65  0 (wt=-1) [] composition(A,one) = A.
% 7.26/7.65  0 (wt=-1) [] composition(join(A,B),C) = join(composition(A,C),composition(B,C)).
% 7.26/7.65  0 (wt=-1) [] converse(converse(A)) = A.
% 7.26/7.65  0 (wt=-1) [] converse(join(A,B)) = join(converse(A),converse(B)).
% 7.26/7.65  0 (wt=-1) [] converse(composition(A,B)) = composition(converse(B),converse(A)).
% 7.26/7.65  0 (wt=-1) [] join(composition(converse(A),complement(composition(A,B))),complement(B)) = complement(B).
% 7.26/7.65  0 (wt=-1) [] top = join(A,complement(A)).
% 7.26/7.65  0 (wt=-1) [] zero = meet(A,complement(A)).
% 7.26/7.65  0 (wt=-1) [] join(sk1,sk2) = sk2.
% 7.26/7.65  0 (wt=-1) [] join(sk1,sk3) = sk3.
% 7.26/7.65  0 (wt=-1) [] -(join(sk1,meet(sk2,sk3)) = meet(sk2,sk3)).
% 7.26/7.65  end_of_list.
% 7.26/7.65  
% 7.26/7.65  Demodulators:
% 7.26/7.65  end_of_list.
% 7.26/7.65  
% 7.26/7.65  Passive:
% 7.26/7.65  end_of_list.
% 7.26/7.65  
% 7.26/7.65  Starting to process input.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 1 (wt=7) [] join(A,B) = join(B,A).
% 7.26/7.65  clause forward subsumed: 0 (wt=7) [flip(1)] join(B,A) = join(A,B).
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 2 (wt=11) [flip(1)] join(join(A,B),C) = join(A,join(B,C)).
% 7.26/7.65  2 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 3 (wt=14) [flip(1)] join(complement(join(complement(A),complement(B))),complement(join(complement(A),B))) = A.
% 7.26/7.65  3 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 4 (wt=10) [flip(1)] complement(join(complement(A),complement(B))) = meet(A,B).
% 7.26/7.65  4 is a new demodulator.
% 7.26/7.65      -> 4 back demodulating 3.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 5 (wt=11) [back_demod(3),demod([4])] join(meet(A,B),complement(join(complement(A),B))) = A.
% 7.26/7.65  5 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 6 (wt=11) [flip(1)] composition(composition(A,B),C) = composition(A,composition(B,C)).
% 7.26/7.65  6 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 7 (wt=5) [] composition(A,one) = A.
% 7.26/7.65  7 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 8 (wt=13) [flip(1)] join(composition(A,B),composition(C,B)) = composition(join(A,C),B).
% 7.26/7.65  8 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 9 (wt=5) [] converse(converse(A)) = A.
% 7.26/7.65  9 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 10 (wt=10) [] converse(join(A,B)) = join(converse(A),converse(B)).
% 7.26/7.65  10 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 11 (wt=10) [] converse(composition(A,B)) = composition(converse(B),converse(A)).
% 7.26/7.65  11 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 12 (wt=13) [] join(composition(converse(A),complement(composition(A,B))),complement(B)) = complement(B).
% 7.26/7.65  12 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 13 (wt=6) [flip(1)] join(A,complement(A)) = top.
% 7.26/7.65  13 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 14 (wt=6) [flip(1)] meet(A,complement(A)) = zero.
% 7.26/7.65  14 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 15 (wt=5) [] join(sk1,sk2) = sk2.
% 7.26/7.65  15 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 16 (wt=5) [] join(sk1,sk3) = sk3.
% 7.26/7.65  16 is a new demodulator.
% 7.26/7.65  
% 7.26/7.65  ** KEPT: 17 (wt=9) [] -(join(sk1,meet(sk2,sk3)) = meet(sk2,sk3)).
% 7.26/7.65  ---------------- PROOF FOUND ----------------
% 7.26/7.65  % SZS status Unsatisfiable
% 7.26/7.65  
% 7.26/7.65  
% 7.26/7.65  After processing input:
% 7.26/7.65  
% 7.26/7.65  Usable:
% 7.26/7.65  end_of_list.
% 7.26/7.65  
% 7.26/7.65  Sos:
% 7.26/7.65  7 (wt=5) [] composition(A,one) = A.
% 7.26/7.65  9 (wt=5) [] converse(converse(A)) = A.
% 7.26/7.65  15 (wt=5) [] join(sk1,sk2) = sk2.
% 7.26/7.65  16 (wt=5) [] join(sk1,sk3) = sk3.
% 7.26/7.65  13 (wt=6) [flip(1)] join(A,complement(A)) = top.
% 7.26/7.65  14 (wt=6) [flip(1)] meet(A,complement(A)) = zero.
% 7.26/7.65  1 (wt=7) [] join(A,B) = join(B,A).
% 7.26/7.65  17 (wt=9) [] -(join(sk1,meet(sk2,sk3)) = meet(sk2,sk3)).
% 7.26/7.65  4 (wt=10) [flip(1)] complement(join(complement(A),complement(B))) = meet(A,B).
% 7.26/7.65  10 (wt=10) [] converse(join(A,B)) = join(converse(A),converse(B)).
% 7.26/7.65  11 (wt=10) [] converse(composition(A,B)) = composition(converse(B),converse(A)).
% 7.26/7.65  2 (wt=11) [flip(1)] join(join(A,B),C) = join(A,join(B,C)).
% 7.26/7.65  5 (wt=11) [back_demod(3),demod([4])] join(meet(A,B),complement(join(complement(A),B))) = A.
% 7.26/7.65  6 (wt=11) [flip(1)] composition(composition(A,B),C) = composition(A,composition(B,C)).
% 7.26/7.65  8 (wt=13) [flip(1)] join(composition(A,B),composition(C,B)) = composition(join(A,C),B).
% 7.26/7.65  12 (wt=13) [] join(composition(converse(A),complement(composition(A,B))),complement(B)) = complement(B).
% 7.26/7.65  end_of_list.
% 7.26/7.65  
% 7.26/7.65  Demodulators:
% 7.26/7.65  2 (wt=11) [flip(1)] join(join(A,B),C) = join(A,join(B,C)).
% 7.26/7.65  4 (wt=10) [flip(1)] complement(join(complement(A),complement(B))) = meet(A,B).
% 7.26/7.65  5 (wt=11) [back_demod(3),demod([4])] join(meet(A,B),complement(join(complement(A),B))) = A.
% 7.26/7.65  6 (wt=11) [flip(1)] composition(composition(A,B),C) = composition(A,composition(B,C)).
% 7.26/7.65  7 (wt=5) [] composition(A,one) = A.
% 7.26/7.65  8 (wt=13) [flip(1)] join(composition(A,B),composition(C,B)) = composition(join(A,C),B).
% 7.26/7.65  9 (wt=5) [] converse(converse(A)) = A.
% 7.26/7.65  10 (wt=10) [] converse(join(A,B)) = join(converse(A),converse(B)).
% 7.26/7.65  11 (wt=10) [] converse(composition(A,B)) = composition(converse(B),converse(A)).
% 7.26/7.65  12 (wt=13) [] join(composition(converse(A),complement(composition(A,B))),complement(B)) = complement(B).
% 7.26/7.65  13 (wt=6) [flip(1)] join(A,complement(A)) = top.
% 7.26/7.65  14 (wt=6) [flip(1)] meet(A,complement(A)) = zero.
% 7.26/7.65  15 (wt=5) [] join(sk1,sk2) = sk2.
% 7.26/7.65  16 (wt=5) [] join(sk1,sk3) = sk3.
% 7.26/7.65  end_of_list.
% 7.26/7.65  
% 7.26/7.65  Passive:
% 7.26/7.65  end_of_list.
% 7.26/7.65  
% 7.26/7.65  UNIT CONFLICT from 20389 and 17 at   5.24 seconds.
% 7.26/7.65  
% 7.26/7.65  ---------------- PROOF ----------------
% 7.26/7.65  % SZS output start Refutation
% See solution above
% 7.26/7.65  ------------ end of proof -------------
% 7.26/7.65  
% 7.26/7.65  
% 7.26/7.65  ------------- memory usage ------------
% 7.26/7.65  Memory dynamically allocated (tp_alloc): 54687.
% 7.26/7.65    type (bytes each)        gets      frees     in use      avail      bytes
% 7.26/7.65  sym_ent (  96)               62          0         62          0      5.8 K
% 7.26/7.65  term (  16)             3627327    2912243     715084         36  13887.5 K
% 7.26/7.65  gen_ptr (   8)          4840592     791399    4049193        101  31635.1 K
% 7.26/7.65  context ( 808)          3798966    3798964          2          6      6.3 K
% 7.26/7.65  trail (  12)             261505     261505          0          8      0.1 K
% 7.26/7.65  bt_node (  68)          1622147    1622144          3         42      3.0 K
% 7.26/7.65  ac_position (285432)          0          0          0          0      0.0 K
% 7.26/7.65  ac_match_pos (14044)          0          0          0          0      0.0 K
% 7.26/7.65  ac_match_free_vars_pos (4020)
% 7.26/7.65                                0          0          0          0      0.0 K
% 7.26/7.65  discrim (  12)           610718     234492     376226          0   4408.9 K
% 7.26/7.65  flat (  40)             9072637    9072637          0        163      6.4 K
% 7.26/7.65  discrim_pos (  12)       172154     172154          0          1      0.0 K
% 7.26/7.65  fpa_head (  12)           39650          0      39650          0    464.6 K
% 7.26/7.65  fpa_tree (  28)          159083     159083          0         69      1.9 K
% 7.26/7.65  fpa_pos (  36)            33183      33183          0          1      0.0 K
% 7.26/7.65  literal (  12)           117242      96853      20389          1    238.9 K
% 7.26/7.65  clause (  24)            117242      96853      20389          1    477.9 K
% 7.26/7.65  list (  12)               12853      12797         56         11      0.8 K
% 7.26/7.65  list_pos (  20)           87168      31392      55776          0   1089.4 K
% 7.26/7.65  pair_index (   40)              2          0          2          0      0.1 K
% 7.26/7.65  
% 7.26/7.65  -------------- statistics -------------
% 7.26/7.65  Clauses input                 16
% 7.26/7.65    Usable input                   0
% 7.26/7.65    Sos input                     16
% 7.26/7.65    Demodulators input             0
% 7.26/7.65    Passive input                  0
% 7.26/7.65  
% 7.26/7.65  Processed BS (before search)  18
% 7.26/7.65  Forward subsumed BS            1
% 7.26/7.65  Kept BS                       17
% 7.26/7.65  New demodulators BS           15
% 7.26/7.65  Back demodulated BS            1
% 7.26/7.65  
% 7.26/7.65  Clauses or pairs given    234469
% 7.26/7.65  Clauses generated          72747
% 7.26/7.65  Forward subsumed           52375
% 7.26/7.65  Deleted by weight              0
% 7.26/7.65  Deleted by variable count      0
% 7.26/7.65  Kept                       20372
% 7.26/7.65  New demodulators           12779
% 7.26/7.65  Back demodulated            6508
% 7.26/7.65  Ordered paramod prunes         0
% 7.26/7.65  Basic paramod prunes     1157063
% 7.26/7.65  Prime paramod prunes        3137
% 7.26/7.65  Semantic prunes                0
% 7.26/7.65  
% 7.26/7.65  Rewrite attmepts         1441459
% 7.26/7.65  Rewrites                  149100
% 7.26/7.65  
% 7.26/7.65  FPA overloads                  0
% 7.26/7.65  FPA underloads                 0
% 7.26/7.65  
% 7.26/7.65  Usable size                    0
% 7.26/7.65  Sos size                   13879
% 7.26/7.65  Demodulators size           7630
% 7.26/7.65  Passive size                   0
% 7.26/7.65  Disabled size               6509
% 7.26/7.65  
% 7.26/7.65  Proofs found                   1
% 7.26/7.65  
% 7.26/7.65  ----------- times (seconds) ----------- Fri Jul  8 08:44:28 2022
% 7.26/7.65  
% 7.26/7.65  user CPU time             5.24   (0 hr, 0 min, 5 sec)
% 7.26/7.65  system CPU time           1.31   (0 hr, 0 min, 1 sec)
% 7.26/7.65  wall-clock time           6      (0 hr, 0 min, 6 sec)
% 7.27/7.66  input time                0.00
% 7.27/7.66  paramodulation time       0.43
% 7.27/7.66  demodulation time         0.34
% 7.27/7.66  orient time               0.15
% 7.27/7.66  weigh time                0.03
% 7.27/7.66  forward subsume time      0.10
% 7.27/7.66  back demod find time      0.42
% 7.27/7.66  conflict time             0.02
% 7.27/7.66  LRPO time                 0.08
% 7.27/7.66  store clause time         2.60
% 7.27/7.66  disable clause time       0.68
% 7.27/7.66  prime paramod time        0.08
% 7.27/7.66  semantics time            0.00
% 7.27/7.66  
% 7.27/7.66  EQP interrupted
%------------------------------------------------------------------------------