TSTP Solution File: LAT023-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : LAT023-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n008.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Jul 27 13:01:48 EDT 2022

% Result   : Unsatisfiable 4.56s 4.78s
% Output   : Refutation 4.56s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   10
% Syntax   : Number of clauses     :  100 ( 100 unt;   0 nHn;   3 RR)
%            Number of literals    :  100 (  99 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :  266 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    meet(a,join(b,meet(a,c))) != join(meet(a,b),meet(a,c)),
    file('LAT023-1.p',unknown),
    [] ).

cnf(4,axiom,
    meet(A,A) = A,
    file('LAT023-1.p',unknown),
    [] ).

cnf(6,axiom,
    join(A,A) = A,
    file('LAT023-1.p',unknown),
    [] ).

cnf(7,axiom,
    meet(A,B) = meet(B,A),
    file('LAT023-1.p',unknown),
    [] ).

cnf(8,axiom,
    join(A,B) = join(B,A),
    file('LAT023-1.p',unknown),
    [] ).

cnf(10,axiom,
    meet(meet(A,B),C) = meet(A,meet(B,C)),
    file('LAT023-1.p',unknown),
    [] ).

cnf(12,axiom,
    join(join(A,B),C) = join(A,join(B,C)),
    file('LAT023-1.p',unknown),
    [] ).

cnf(13,axiom,
    join(meet(A,join(B,C)),meet(A,B)) = meet(A,join(B,C)),
    file('LAT023-1.p',unknown),
    [] ).

cnf(16,axiom,
    meet(join(A,meet(B,C)),join(A,B)) = join(A,meet(B,C)),
    file('LAT023-1.p',unknown),
    [] ).

cnf(17,axiom,
    join(meet(join(A,B),C),B) = join(meet(join(C,B),A),B),
    file('LAT023-1.p',unknown),
    [] ).

cnf(20,plain,
    meet(a,join(meet(a,c),b)) != join(meet(a,b),meet(a,c)),
    inference(para_from,[status(thm),theory(equality)],[8,1]),
    [iquote('para_from,8.1.1,1.1.1.2')] ).

cnf(21,plain,
    meet(A,meet(B,C)) = meet(B,meet(A,C)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[10,7]),10]),
    [iquote('para_into,9.1.1.1,7.1.1,demod,10')] ).

cnf(23,plain,
    meet(A,meet(A,B)) = meet(A,B),
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[10,4])]),
    [iquote('para_into,9.1.1.1,3.1.1,flip.1')] ).

cnf(24,plain,
    meet(A,meet(B,C)) = meet(B,meet(C,A)),
    inference(para_into,[status(thm),theory(equality)],[10,7]),
    [iquote('para_into,9.1.1,7.1.1')] ).

cnf(30,plain,
    meet(A,meet(B,A)) = meet(A,B),
    inference(para_into,[status(thm),theory(equality)],[23,7]),
    [iquote('para_into,22.1.1.2,7.1.1')] ).

cnf(34,plain,
    meet(A,meet(B,meet(A,C))) = meet(A,meet(B,C)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[30,10]),10,10])]),
    [iquote('para_from,30.1.1,9.1.1.1,demod,10,10,flip.1')] ).

cnf(36,plain,
    join(A,join(B,C)) = join(B,join(A,C)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[12,8]),12]),
    [iquote('para_into,11.1.1.1,8.1.1,demod,12')] ).

cnf(38,plain,
    join(A,join(A,B)) = join(A,B),
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[12,6])]),
    [iquote('para_into,11.1.1.1,5.1.1,flip.1')] ).

cnf(39,plain,
    join(A,join(B,C)) = join(B,join(C,A)),
    inference(para_into,[status(thm),theory(equality)],[12,8]),
    [iquote('para_into,11.1.1,8.1.1')] ).

cnf(42,plain,
    join(A,join(B,C)) = join(C,join(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[39])]),
    [iquote('copy,39,flip.1')] ).

cnf(46,plain,
    join(A,join(B,A)) = join(A,B),
    inference(para_into,[status(thm),theory(equality)],[38,8]),
    [iquote('para_into,37.1.1.2,8.1.1')] ).

cnf(50,plain,
    join(meet(A,meet(B,join(C,D))),meet(A,meet(B,C))) = meet(A,meet(B,join(C,D))),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[13,10]),10,10]),
    [iquote('para_into,13.1.1.1,9.1.1,demod,10,10')] ).

cnf(59,plain,
    join(meet(A,join(B,C)),meet(B,A)) = meet(A,join(B,C)),
    inference(para_into,[status(thm),theory(equality)],[13,7]),
    [iquote('para_into,13.1.1.2,7.1.1')] ).

cnf(61,plain,
    join(meet(A,join(A,B)),A) = meet(A,join(A,B)),
    inference(para_into,[status(thm),theory(equality)],[13,4]),
    [iquote('para_into,13.1.1.2,3.1.1')] ).

cnf(64,plain,
    join(meet(A,B),meet(A,join(B,C))) = meet(A,join(B,C)),
    inference(para_into,[status(thm),theory(equality)],[13,8]),
    [iquote('para_into,13.1.1,8.1.1')] ).

cnf(70,plain,
    join(A,join(B,join(C,A))) = join(A,join(B,C)),
    inference(para_into,[status(thm),theory(equality)],[46,12]),
    [iquote('para_into,45.1.1.2,11.1.1')] ).

cnf(81,plain,
    meet(A,meet(B,C)) = meet(C,meet(B,A)),
    inference(para_into,[status(thm),theory(equality)],[24,7]),
    [iquote('para_into,24.1.1.2,7.1.1')] ).

cnf(107,plain,
    meet(join(meet(A,B),C),join(C,A)) = join(C,meet(A,B)),
    inference(para_into,[status(thm),theory(equality)],[16,8]),
    [iquote('para_into,15.1.1.1,8.1.1')] ).

cnf(112,plain,
    meet(join(A,meet(join(A,B),C)),join(A,B)) = join(A,meet(join(A,B),C)),
    inference(para_into,[status(thm),theory(equality)],[16,38]),
    [iquote('para_into,15.1.1.2,37.1.1')] ).

cnf(121,plain,
    meet(join(A,B),join(A,meet(B,C))) = join(A,meet(B,C)),
    inference(para_into,[status(thm),theory(equality)],[16,7]),
    [iquote('para_into,15.1.1,7.1.1')] ).

cnf(134,plain,
    join(A,join(B,C)) = join(A,join(C,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[36,8]),12]),
    [iquote('para_into,36.1.1,8.1.1,demod,12')] ).

cnf(143,plain,
    join(A,join(B,C)) = join(C,join(B,A)),
    inference(para_into,[status(thm),theory(equality)],[39,8]),
    [iquote('para_into,39.1.1.2,8.1.1')] ).

cnf(153,plain,
    join(meet(A,B),join(C,meet(A,join(B,D)))) = join(C,meet(A,join(B,D))),
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[42,13])]),
    [iquote('para_into,42.1.1.2,13.1.1,flip.1')] ).

cnf(181,plain,
    join(meet(join(A,B),B),B) = join(meet(B,A),B),
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[17,6])]),
    [iquote('para_into,17.1.1.1.1,5.1.1,flip.1')] ).

cnf(193,plain,
    join(meet(join(A,B),C),B) = join(meet(A,join(C,B)),B),
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[17,7])]),
    [iquote('para_into,17.1.1.1,7.1.1,flip.1')] ).

cnf(194,plain,
    join(meet(A,join(A,B)),B) = join(A,B),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[17,4]),12,6,12,6,193])]),
    [iquote('para_into,17.1.1.1,3.1.1,demod,12,6,12,6,193,flip.1')] ).

cnf(215,plain,
    join(meet(A,B),B) = join(meet(B,A),B),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[181]),193,6]),
    [iquote('back_demod,181,demod,193,6')] ).

cnf(269,plain,
    join(meet(A,join(B,A)),B) = join(A,B),
    inference(para_into,[status(thm),theory(equality)],[194,8]),
    [iquote('para_into,194.1.1.1.2,8.1.1')] ).

cnf(282,plain,
    join(A,meet(B,join(B,A))) = join(B,A),
    inference(para_into,[status(thm),theory(equality)],[194,8]),
    [iquote('para_into,194.1.1,8.1.1')] ).

cnf(303,plain,
    join(meet(A,B),meet(B,A)) = meet(B,A),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[215,30]),10,4,6]),
    [iquote('para_into,215.1.1.1,30.1.1,demod,10,4,6')] ).

cnf(408,plain,
    join(meet(join(A,B),B),A) = join(B,A),
    inference(para_into,[status(thm),theory(equality)],[269,7]),
    [iquote('para_into,269.1.1.1,7.1.1')] ).

cnf(459,plain,
    meet(join(A,B),join(B,A)) = join(A,B),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[282,16]),282]),
    [iquote('para_from,281.1.1,15.1.1.1,demod,282')] ).

cnf(460,plain,
    join(meet(A,join(B,C)),meet(A,C)) = meet(A,join(B,C)),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[282,13]),282]),
    [iquote('para_from,281.1.1,13.1.1.1.2,demod,282')] ).

cnf(479,plain,
    join(A,meet(B,C)) = join(meet(B,C),join(meet(C,B),A)),
    inference(para_from,[status(thm),theory(equality)],[303,143]),
    [iquote('para_from,302.1.1,143.1.1.2')] ).

cnf(480,plain,
    join(A,meet(B,C)) = join(A,meet(C,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[303,134]),303]),
    [iquote('para_from,302.1.1,134.1.1.2,demod,303')] ).

cnf(488,plain,
    join(meet(A,B),join(meet(B,A),C)) = join(meet(B,A),C),
    inference(flip,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[303,12])]),
    [iquote('para_from,302.1.1,11.1.1.1,flip.1')] ).

cnf(489,plain,
    join(meet(A,B),C) = join(C,meet(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[479])]),488]),
    [iquote('copy,479,flip.1,demod,488')] ).

cnf(490,plain,
    join(A,meet(B,C)) = join(meet(C,B),A),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[479]),488]),
    [iquote('back_demod,479,demod,488')] ).

cnf(516,plain,
    join(meet(A,meet(B,join(C,meet(B,A)))),C) = join(meet(B,A),C),
    inference(para_into,[status(thm),theory(equality)],[408,81]),
    [iquote('para_into,407.1.1.1,81.1.1')] ).

cnf(534,plain,
    join(A,meet(join(A,B),B)) = join(B,A),
    inference(para_into,[status(thm),theory(equality)],[408,8]),
    [iquote('para_into,407.1.1,8.1.1')] ).

cnf(552,plain,
    join(meet(join(A,B),B),join(B,A)) = join(B,A),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[408,38]),408]),
    [iquote('para_from,407.1.1,37.1.1.2,demod,408')] ).

cnf(641,plain,
    meet(A,join(B,C)) = meet(join(C,B),meet(join(B,C),A)),
    inference(para_from,[status(thm),theory(equality)],[459,81]),
    [iquote('para_from,458.1.1,81.1.1.2')] ).

cnf(648,plain,
    meet(join(A,B),meet(join(B,A),C)) = meet(join(A,B),C),
    inference(flip,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[459,10])]),
    [iquote('para_from,458.1.1,9.1.1.1,flip.1')] ).

cnf(649,plain,
    meet(join(A,B),C) = meet(C,join(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[641])]),648]),
    [iquote('copy,641,flip.1,demod,648')] ).

cnf(650,plain,
    meet(A,join(B,C)) = meet(join(C,B),A),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[641]),648]),
    [iquote('back_demod,641,demod,648')] ).

cnf(705,plain,
    join(meet(A,B),C) = join(meet(B,A),C),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[480,269]),10,516]),
    [iquote('para_from,480.1.1,269.1.1.1.2,demod,10,516')] ).

cnf(803,plain,
    meet(join(meet(A,B),C),D) = meet(D,join(meet(B,A),C)),
    inference(para_into,[status(thm),theory(equality)],[649,490]),
    [iquote('para_into,649.1.1.1,490.1.1')] ).

cnf(811,plain,
    meet(join(A,B),join(meet(B,C),A)) = join(A,meet(B,C)),
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[649,16])]),
    [iquote('para_into,649.1.1,15.1.1,flip.1')] ).

cnf(813,plain,
    meet(A,join(meet(B,C),D)) = meet(join(meet(C,B),D),A),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[803])]),
    [iquote('copy,803,flip.1')] ).

cnf(870,plain,
    meet(join(meet(A,B),meet(C,D)),join(meet(B,A),C)) = join(meet(B,A),meet(C,D)),
    inference(para_from,[status(thm),theory(equality)],[705,16]),
    [iquote('para_from,705.1.1,15.1.1.1')] ).

cnf(889,plain,
    join(meet(A,join(B,A)),A) = meet(A,join(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[61,534]),534]),
    [iquote('para_into,61.1.1.1.2,533.1.1,demod,534')] ).

cnf(898,plain,
    join(meet(A,B),B) = meet(B,join(B,A)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[61,650]),193,6]),
    [iquote('para_into,61.1.1.1,650.1.1,demod,193,6')] ).

cnf(915,plain,
    join(A,join(meet(join(B,A),join(B,join(A,C))),B)) = meet(join(B,A),join(B,join(A,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[61,42]),12,12]),
    [iquote('para_into,61.1.1,42.1.1,demod,12,12')] ).

cnf(920,plain,
    meet(join(A,B),join(A,join(B,C))) = join(A,join(meet(A,join(A,join(B,C))),B)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[61,36]),12,193,12,12,46,12])]),
    [iquote('para_into,61.1.1,36.1.1,demod,12,193,12,12,46,12,flip.1')] ).

cnf(922,plain,
    join(A,meet(A,join(A,B))) = meet(A,join(A,B)),
    inference(para_into,[status(thm),theory(equality)],[61,8]),
    [iquote('para_into,61.1.1,8.1.1')] ).

cnf(933,plain,
    join(A,join(meet(A,join(A,join(B,C))),B)) = join(B,meet(A,join(A,join(B,C)))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[915]),920,12,12,70,70,922,920])]),
    [iquote('back_demod,915,demod,920,12,12,70,70,922,920,flip.1')] ).

cnf(939,plain,
    meet(join(A,B),join(A,join(B,C))) = join(B,meet(A,join(A,join(B,C)))),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[920]),933]),
    [iquote('back_demod,919,demod,933')] ).

cnf(957,plain,
    join(meet(join(A,B),C),join(B,A)) = join(A,meet(B,join(B,join(A,C)))),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[898,650]),12,939]),
    [iquote('para_into,898.1.1.1,650.1.1,demod,12,939')] ).

cnf(975,plain,
    meet(A,join(A,B)) = join(meet(A,B),A),
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[898,7])]),
    [iquote('para_into,898.1.1.1,7.1.1,flip.1')] ).

cnf(982,plain,
    join(A,join(meet(B,A),B)) = join(B,A),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[552]),957,46,975]),
    [iquote('back_demod,552,demod,957,46,975')] ).

cnf(1232,plain,
    meet(A,join(B,A)) = join(meet(A,B),A),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[975,46]),975,889])]),
    [iquote('para_into,974.1.1.2,45.1.1,demod,975,889,flip.1')] ).

cnf(1244,plain,
    meet(join(A,B),B) = join(meet(B,A),B),
    inference(para_into,[status(thm),theory(equality)],[975,650]),
    [iquote('para_into,974.1.1,650.1.1')] ).

cnf(1248,plain,
    meet(join(A,B),A) = join(meet(A,B),A),
    inference(para_into,[status(thm),theory(equality)],[975,7]),
    [iquote('para_into,974.1.1,7.1.1')] ).

cnf(1272,plain,
    meet(A,meet(B,join(meet(A,C),A))) = meet(A,meet(B,join(A,C))),
    inference(para_from,[status(thm),theory(equality)],[975,34]),
    [iquote('para_from,974.1.1,34.1.1.2.2')] ).

cnf(1273,plain,
    meet(A,join(meet(B,C),B)) = meet(join(B,C),meet(B,A)),
    inference(para_from,[status(thm),theory(equality)],[975,81]),
    [iquote('para_from,974.1.1,81.1.1.2')] ).

cnf(1276,plain,
    meet(A,join(meet(B,C),B)) = meet(B,meet(A,join(B,C))),
    inference(para_from,[status(thm),theory(equality)],[975,21]),
    [iquote('para_from,974.1.1,21.1.1.2')] ).

cnf(1306,plain,
    join(A,join(B,meet(A,B))) = join(B,A),
    inference(para_into,[status(thm),theory(equality)],[982,489]),
    [iquote('para_into,982.1.1.2,489.1.1')] ).

cnf(1389,plain,
    join(meet(A,join(B,C)),meet(A,join(meet(C,B),C))) = meet(A,join(B,C)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[50,459]),1244,459]),
    [iquote('para_into,50.1.1.1.2,458.1.1,demod,1244,459')] ).

cnf(1800,plain,
    meet(A,join(meet(B,C),B)) = meet(B,meet(A,join(C,B))),
    inference(para_from,[status(thm),theory(equality)],[1232,21]),
    [iquote('para_from,1232.1.1,21.1.1.2')] ).

cnf(2127,plain,
    join(meet(A,join(B,C)),meet(C,A)) = meet(A,join(B,C)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[59,1306]),1306]),
    [iquote('para_into,59.1.1.1.2,1305.1.1,demod,1306')] ).

cnf(2131,plain,
    join(meet(A,B),meet(A,join(C,B))) = meet(A,join(C,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[64,1306]),1306]),
    [iquote('para_into,63.1.1.2.2,1305.1.1,demod,1306')] ).

cnf(2135,plain,
    meet(A,meet(join(B,C),join(A,B))) = meet(A,join(B,C)),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[64,16]),10,1272,64]),
    [iquote('para_from,63.1.1,15.1.1.1,demod,10,1272,64')] ).

cnf(2168,plain,
    join(A,meet(join(B,A),C)) = join(A,meet(B,join(C,A))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[107,46]),193,107])]),
    [iquote('para_into,106.1.1.2,45.1.1,demod,193,107,flip.1')] ).

cnf(2178,plain,
    join(meet(A,B),join(A,meet(B,C))) = join(A,meet(B,C)),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[121,64]),1248,12,38,121]),
    [iquote('para_from,120.1.1,63.1.1.2,demod,1248,12,38,121')] ).

cnf(2190,plain,
    join(A,meet(join(A,B),C)) = join(A,meet(B,join(C,A))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[112,8]),2168,16])]),
    [iquote('para_into,112.1.1.1.2.1,8.1.1,demod,2168,16,flip.1')] ).

cnf(2213,plain,
    join(meet(A,B),meet(B,join(C,A))) = meet(B,join(C,A)),
    inference(para_into,[status(thm),theory(equality)],[460,490]),
    [iquote('para_into,460.1.1,490.1.1')] ).

cnf(2287,plain,
    meet(join(meet(A,B),B),C) = meet(join(B,A),meet(B,C)),
    inference(para_into,[status(thm),theory(equality)],[1273,813]),
    [iquote('para_into,1273.1.1,813.1.1')] ).

cnf(2311,plain,
    meet(A,join(B,meet(B,C))) = meet(B,meet(A,join(B,C))),
    inference(para_into,[status(thm),theory(equality)],[1276,8]),
    [iquote('para_into,1276.1.1.2,8.1.1')] ).

cnf(2314,plain,
    meet(A,meet(B,join(A,C))) = meet(B,join(A,meet(A,C))),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[2311])]),
    [iquote('copy,2311,flip.1')] ).

cnf(2388,plain,
    meet(A,join(B,meet(B,C))) = meet(B,meet(A,join(C,B))),
    inference(para_into,[status(thm),theory(equality)],[1800,8]),
    [iquote('para_into,1800.1.1.2,8.1.1')] ).

cnf(2390,plain,
    meet(A,meet(B,join(C,A))) = meet(B,join(A,meet(A,C))),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[2388])]),
    [iquote('copy,2388,flip.1')] ).

cnf(2391,plain,
    meet(join(A,B),meet(A,join(C,B))) = meet(A,join(C,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[2127,811]),2287,23,2213]),
    [iquote('para_from,2127.1.1,811.1.1.2,demod,2287,23,2213')] ).

cnf(2396,plain,
    meet(join(A,B),join(C,A)) = join(A,meet(B,join(C,A))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[2131,1248]),12,2190,12,6,2178])]),
    [iquote('para_into,2131.1.1.1,1247.1.1,demod,12,2190,12,6,2178,flip.1')] ).

cnf(2406,plain,
    meet(A,join(B,meet(C,join(A,B)))) = meet(A,join(B,C)),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[2135]),2396]),
    [iquote('back_demod,2135,demod,2396')] ).

cnf(2542,plain,
    meet(join(A,B),meet(A,join(B,C))) = meet(A,join(C,B)),
    inference(para_into,[status(thm),theory(equality)],[2391,8]),
    [iquote('para_into,2391.1.1.2.2,8.1.1')] ).

cnf(2557,plain,
    meet(A,meet(B,join(A,C))) = meet(B,meet(A,join(B,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[2406,2390]),10,2542,10,1244,1389]),
    [iquote('para_from,2405.1.1,2390.1.1.2,demod,10,2542,10,1244,1389')] ).

cnf(2667,plain,
    meet(A,meet(B,join(A,C))) = meet(A,join(B,meet(B,C))),
    inference(flip,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[2557,2314])]),
    [iquote('para_into,2557.1.1,2314.1.1,flip.1')] ).

cnf(2674,plain,
    meet(A,join(meet(B,C),B)) = meet(B,join(A,meet(A,C))),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[1276]),2667]),
    [iquote('back_demod,1276,demod,2667')] ).

cnf(2758,plain,
    meet(A,join(meet(A,B),C)) = join(meet(A,C),meet(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[2674,870]),12,2168,10,2667,23,153,2406])]),
    [iquote('para_into,2674.1.1,870.1.1,demod,12,2168,10,2667,23,153,2406,flip.1')] ).

cnf(2760,plain,
    $false,
    inference(binary,[status(thm)],[2758,20]),
    [iquote('binary,2758.1,20.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : LAT023-1 : TPTP v8.1.0. Released v2.2.0.
% 0.12/0.13  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n008.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 08:34:23 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 4.56/4.78  ----- Otter 3.3f, August 2004 -----
% 4.56/4.78  The process was started by sandbox on n008.cluster.edu,
% 4.56/4.78  Wed Jul 27 08:34:23 2022
% 4.56/4.78  The command was "./otter".  The process ID is 29668.
% 4.56/4.78  
% 4.56/4.78  set(prolog_style_variables).
% 4.56/4.78  set(auto).
% 4.56/4.78     dependent: set(auto1).
% 4.56/4.78     dependent: set(process_input).
% 4.56/4.78     dependent: clear(print_kept).
% 4.56/4.78     dependent: clear(print_new_demod).
% 4.56/4.78     dependent: clear(print_back_demod).
% 4.56/4.78     dependent: clear(print_back_sub).
% 4.56/4.78     dependent: set(control_memory).
% 4.56/4.78     dependent: assign(max_mem, 12000).
% 4.56/4.78     dependent: assign(pick_given_ratio, 4).
% 4.56/4.78     dependent: assign(stats_level, 1).
% 4.56/4.78     dependent: assign(max_seconds, 10800).
% 4.56/4.78  clear(print_given).
% 4.56/4.78  
% 4.56/4.78  list(usable).
% 4.56/4.78  0 [] A=A.
% 4.56/4.78  0 [] meet(X,X)=X.
% 4.56/4.78  0 [] join(X,X)=X.
% 4.56/4.78  0 [] meet(X,Y)=meet(Y,X).
% 4.56/4.78  0 [] join(X,Y)=join(Y,X).
% 4.56/4.78  0 [] meet(meet(X,Y),Z)=meet(X,meet(Y,Z)).
% 4.56/4.78  0 [] join(join(X,Y),Z)=join(X,join(Y,Z)).
% 4.56/4.78  0 [] join(meet(X,join(Y,Z)),meet(X,Y))=meet(X,join(Y,Z)).
% 4.56/4.78  0 [] meet(join(X,meet(Y,Z)),join(X,Y))=join(X,meet(Y,Z)).
% 4.56/4.78  0 [] join(meet(join(X,Y),Z),Y)=join(meet(join(Z,Y),X),Y).
% 4.56/4.78  0 [] meet(a,join(b,meet(a,c)))!=join(meet(a,b),meet(a,c)).
% 4.56/4.78  end_of_list.
% 4.56/4.78  
% 4.56/4.78  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 4.56/4.78  
% 4.56/4.78  All clauses are units, and equality is present; the
% 4.56/4.78  strategy will be Knuth-Bendix with positive clauses in sos.
% 4.56/4.78  
% 4.56/4.78     dependent: set(knuth_bendix).
% 4.56/4.78     dependent: set(anl_eq).
% 4.56/4.78     dependent: set(para_from).
% 4.56/4.78     dependent: set(para_into).
% 4.56/4.78     dependent: clear(para_from_right).
% 4.56/4.78     dependent: clear(para_into_right).
% 4.56/4.78     dependent: set(para_from_vars).
% 4.56/4.78     dependent: set(eq_units_both_ways).
% 4.56/4.78     dependent: set(dynamic_demod_all).
% 4.56/4.78     dependent: set(dynamic_demod).
% 4.56/4.78     dependent: set(order_eq).
% 4.56/4.78     dependent: set(back_demod).
% 4.56/4.78     dependent: set(lrpo).
% 4.56/4.78  
% 4.56/4.78  ------------> process usable:
% 4.56/4.78  ** KEPT (pick-wt=15): 1 [] meet(a,join(b,meet(a,c)))!=join(meet(a,b),meet(a,c)).
% 4.56/4.78  
% 4.56/4.78  ------------> process sos:
% 4.56/4.78  ** KEPT (pick-wt=3): 2 [] A=A.
% 4.56/4.78  ** KEPT (pick-wt=5): 3 [] meet(A,A)=A.
% 4.56/4.78  ---> New Demodulator: 4 [new_demod,3] meet(A,A)=A.
% 4.56/4.78  ** KEPT (pick-wt=5): 5 [] join(A,A)=A.
% 4.56/4.78  ---> New Demodulator: 6 [new_demod,5] join(A,A)=A.
% 4.56/4.78  ** KEPT (pick-wt=7): 7 [] meet(A,B)=meet(B,A).
% 4.56/4.78  ** KEPT (pick-wt=7): 8 [] join(A,B)=join(B,A).
% 4.56/4.78  ** KEPT (pick-wt=11): 9 [] meet(meet(A,B),C)=meet(A,meet(B,C)).
% 4.56/4.78  ---> New Demodulator: 10 [new_demod,9] meet(meet(A,B),C)=meet(A,meet(B,C)).
% 4.56/4.78  ** KEPT (pick-wt=11): 11 [] join(join(A,B),C)=join(A,join(B,C)).
% 4.56/4.78  ---> New Demodulator: 12 [new_demod,11] join(join(A,B),C)=join(A,join(B,C)).
% 4.56/4.78  ** KEPT (pick-wt=15): 13 [] join(meet(A,join(B,C)),meet(A,B))=meet(A,join(B,C)).
% 4.56/4.78  ---> New Demodulator: 14 [new_demod,13] join(meet(A,join(B,C)),meet(A,B))=meet(A,join(B,C)).
% 4.56/4.78  ** KEPT (pick-wt=15): 15 [] meet(join(A,meet(B,C)),join(A,B))=join(A,meet(B,C)).
% 4.56/4.78  ---> New Demodulator: 16 [new_demod,15] meet(join(A,meet(B,C)),join(A,B))=join(A,meet(B,C)).
% 4.56/4.78  ** KEPT (pick-wt=15): 17 [] join(meet(join(A,B),C),B)=join(meet(join(C,B),A),B).
% 4.56/4.78    Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 4.56/4.78  >>>> Starting back demodulation with 4.
% 4.56/4.78  >>>> Starting back demodulation with 6.
% 4.56/4.78    Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] meet(A,B)=meet(B,A).
% 4.56/4.78    Following clause subsumed by 8 during input processing: 0 [copy,8,flip.1] join(A,B)=join(B,A).
% 4.56/4.78  >>>> Starting back demodulation with 10.
% 4.56/4.78  >>>> Starting back demodulation with 12.
% 4.56/4.78  >>>> Starting back demodulation with 14.
% 4.56/4.78  >>>> Starting back demodulation with 16.
% 4.56/4.78    Following clause subsumed by 17 during input processing: 0 [copy,17,flip.1] join(meet(join(A,B),C),B)=join(meet(join(C,B),A),B).
% 4.56/4.78  
% 4.56/4.78  ======= end of input processing =======
% 4.56/4.78  
% 4.56/4.78  =========== start of search ===========
% 4.56/4.78  
% 4.56/4.78  
% 4.56/4.78  Resetting weight limit to 15.
% 4.56/4.78  
% 4.56/4.78  
% 4.56/4.78  Resetting weight limit to 15.
% 4.56/4.78  
% 4.56/4.78  sos_size=883
% 4.56/4.78  
% 4.56/4.78  -------- PROOF -------- 
% 4.56/4.78  
% 4.56/4.78  ----> UNIT CONFLICT at   2.91 sec ----> 2760 [binary,2758.1,20.1] $F.
% 4.56/4.78  
% 4.56/4.78  Length of proof is 89.  Level of proof is 17.
% 4.56/4.78  
% 4.56/4.78  ---------------- PROOF ----------------
% 4.56/4.78  % SZS status Unsatisfiable
% 4.56/4.78  % SZS output start Refutation
% See solution above
% 4.56/4.78  ------------ end of proof -------------
% 4.56/4.78  
% 4.56/4.78  
% 4.56/4.78  Search stopped by max_proofs option.
% 4.56/4.78  
% 4.56/4.78  
% 4.56/4.78  Search stopped by max_proofs option.
% 4.56/4.78  
% 4.56/4.78  ============ end of search ============
% 4.56/4.78  
% 4.56/4.78  -------------- statistics -------------
% 4.56/4.78  clauses given                654
% 4.56/4.78  clauses generated         445928
% 4.56/4.78  clauses kept                1851
% 4.56/4.78  clauses forward subsumed   73487
% 4.56/4.78  clauses back subsumed         98
% 4.56/4.78  Kbytes malloced             4882
% 4.56/4.78  
% 4.56/4.78  ----------- times (seconds) -----------
% 4.56/4.78  user CPU time          2.91          (0 hr, 0 min, 2 sec)
% 4.56/4.78  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 4.56/4.78  wall-clock time        5             (0 hr, 0 min, 5 sec)
% 4.56/4.78  
% 4.56/4.78  That finishes the proof of the theorem.
% 4.56/4.78  
% 4.56/4.78  Process 29668 finished Wed Jul 27 08:34:28 2022
% 4.56/4.78  Otter interrupted
% 4.56/4.78  PROOF FOUND
%------------------------------------------------------------------------------