TSTP Solution File: LCL452+1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : LCL452+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %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  : 0s
% DateTime : Sun Jul 17 07:53:53 EDT 2022

% Result   : Theorem 1.33s 1.71s
% Output   : Refutation 1.33s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL452+1 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13  % Command  : bliksem %s
% 0.12/0.34  % Computer : n008.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  % DateTime : Mon Jul  4 23:41:38 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.44/1.10  *** allocated 10000 integers for termspace/termends
% 0.44/1.10  *** allocated 10000 integers for clauses
% 0.44/1.10  *** allocated 10000 integers for justifications
% 0.44/1.10  Bliksem 1.12
% 0.44/1.10  
% 0.44/1.10  
% 0.44/1.10  Automatic Strategy Selection
% 0.44/1.10  
% 0.44/1.10  
% 0.44/1.10  Clauses:
% 0.44/1.10  
% 0.44/1.10  { ! modus_ponens, ! alpha1( X ), is_a_theorem( X ) }.
% 0.44/1.10  { alpha1( skol1 ), modus_ponens }.
% 0.44/1.10  { ! is_a_theorem( skol1 ), modus_ponens }.
% 0.44/1.10  { ! alpha1( X ), is_a_theorem( skol2( Y ) ) }.
% 0.44/1.10  { ! alpha1( X ), is_a_theorem( implies( skol2( X ), X ) ) }.
% 0.44/1.10  { ! is_a_theorem( Y ), ! is_a_theorem( implies( Y, X ) ), alpha1( X ) }.
% 0.44/1.10  { ! substitution_of_equivalents, ! is_a_theorem( equiv( X, Y ) ), X = Y }.
% 0.44/1.10  { is_a_theorem( equiv( skol3, skol28 ) ), substitution_of_equivalents }.
% 0.44/1.10  { ! skol3 = skol28, substitution_of_equivalents }.
% 0.44/1.10  { ! modus_tollens, is_a_theorem( implies( implies( not( Y ), not( X ) ), 
% 0.44/1.10    implies( X, Y ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( implies( not( skol29 ), not( skol4 ) ), implies
% 0.44/1.10    ( skol4, skol29 ) ) ), modus_tollens }.
% 0.44/1.10  { ! implies_1, is_a_theorem( implies( X, implies( Y, X ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( skol5, implies( skol30, skol5 ) ) ), implies_1 }
% 0.44/1.10    .
% 0.44/1.10  { ! implies_2, is_a_theorem( implies( implies( X, implies( X, Y ) ), 
% 0.44/1.10    implies( X, Y ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( implies( skol6, implies( skol6, skol31 ) ), 
% 0.44/1.10    implies( skol6, skol31 ) ) ), implies_2 }.
% 0.44/1.10  { ! implies_3, is_a_theorem( implies( implies( X, Y ), implies( implies( Y
% 0.44/1.10    , Z ), implies( X, Z ) ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( implies( skol7, skol32 ), implies( implies( 
% 0.44/1.10    skol32, skol50 ), implies( skol7, skol50 ) ) ) ), implies_3 }.
% 0.44/1.10  { ! and_1, is_a_theorem( implies( and( X, Y ), X ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( and( skol8, skol33 ), skol8 ) ), and_1 }.
% 0.44/1.10  { ! and_2, is_a_theorem( implies( and( X, Y ), Y ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( and( skol9, skol34 ), skol34 ) ), and_2 }.
% 0.44/1.10  { ! and_3, is_a_theorem( implies( X, implies( Y, and( X, Y ) ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( skol10, implies( skol35, and( skol10, skol35 ) )
% 0.44/1.10     ) ), and_3 }.
% 0.44/1.10  { ! or_1, is_a_theorem( implies( X, or( X, Y ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( skol11, or( skol11, skol36 ) ) ), or_1 }.
% 0.44/1.10  { ! or_2, is_a_theorem( implies( Y, or( X, Y ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( skol37, or( skol12, skol37 ) ) ), or_2 }.
% 0.44/1.10  { ! or_3, is_a_theorem( implies( implies( X, Z ), implies( implies( Y, Z )
% 0.44/1.10    , implies( or( X, Y ), Z ) ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( implies( skol13, skol51 ), implies( implies( 
% 0.44/1.10    skol38, skol51 ), implies( or( skol13, skol38 ), skol51 ) ) ) ), or_3 }.
% 0.44/1.10  { ! equivalence_1, is_a_theorem( implies( equiv( X, Y ), implies( X, Y ) )
% 0.44/1.10     ) }.
% 0.44/1.10  { ! is_a_theorem( implies( equiv( skol14, skol39 ), implies( skol14, skol39
% 0.44/1.10     ) ) ), equivalence_1 }.
% 0.44/1.10  { ! equivalence_2, is_a_theorem( implies( equiv( X, Y ), implies( Y, X ) )
% 0.44/1.10     ) }.
% 0.44/1.10  { ! is_a_theorem( implies( equiv( skol15, skol40 ), implies( skol40, skol15
% 0.44/1.10     ) ) ), equivalence_2 }.
% 0.44/1.10  { ! equivalence_3, is_a_theorem( implies( implies( X, Y ), implies( implies
% 0.44/1.10    ( Y, X ), equiv( X, Y ) ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( implies( skol16, skol41 ), implies( implies( 
% 0.44/1.10    skol41, skol16 ), equiv( skol16, skol41 ) ) ) ), equivalence_3 }.
% 0.44/1.10  { ! kn1, is_a_theorem( implies( X, and( X, X ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( skol17, and( skol17, skol17 ) ) ), kn1 }.
% 0.44/1.10  { ! kn2, is_a_theorem( implies( and( X, Y ), X ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( and( skol18, skol42 ), skol18 ) ), kn2 }.
% 0.44/1.10  { ! kn3, is_a_theorem( implies( implies( X, Y ), implies( not( and( Y, Z )
% 0.44/1.10     ), not( and( Z, X ) ) ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( implies( skol19, skol43 ), implies( not( and( 
% 0.44/1.10    skol43, skol52 ) ), not( and( skol52, skol19 ) ) ) ) ), kn3 }.
% 0.44/1.10  { ! cn1, is_a_theorem( implies( implies( X, Y ), implies( implies( Y, Z ), 
% 0.44/1.10    implies( X, Z ) ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( implies( skol20, skol44 ), implies( implies( 
% 0.44/1.10    skol44, skol53 ), implies( skol20, skol53 ) ) ) ), cn1 }.
% 0.44/1.10  { ! cn2, is_a_theorem( implies( X, implies( not( X ), Y ) ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( skol21, implies( not( skol21 ), skol45 ) ) ), 
% 0.44/1.10    cn2 }.
% 0.44/1.10  { ! cn3, is_a_theorem( implies( implies( not( X ), X ), X ) ) }.
% 0.44/1.10  { ! is_a_theorem( implies( implies( not( skol22 ), skol22 ), skol22 ) ), 
% 0.44/1.10    cn3 }.
% 0.44/1.14  { ! r1, is_a_theorem( implies( or( X, X ), X ) ) }.
% 0.44/1.14  { ! is_a_theorem( implies( or( skol23, skol23 ), skol23 ) ), r1 }.
% 0.44/1.14  { ! r2, is_a_theorem( implies( Y, or( X, Y ) ) ) }.
% 0.44/1.14  { ! is_a_theorem( implies( skol46, or( skol24, skol46 ) ) ), r2 }.
% 0.44/1.14  { ! r3, is_a_theorem( implies( or( X, Y ), or( Y, X ) ) ) }.
% 0.44/1.14  { ! is_a_theorem( implies( or( skol25, skol47 ), or( skol47, skol25 ) ) ), 
% 0.44/1.14    r3 }.
% 0.44/1.14  { ! r4, is_a_theorem( implies( or( X, or( Y, Z ) ), or( Y, or( X, Z ) ) ) )
% 0.44/1.14     }.
% 0.44/1.14  { ! is_a_theorem( implies( or( skol26, or( skol48, skol54 ) ), or( skol48, 
% 0.44/1.14    or( skol26, skol54 ) ) ) ), r4 }.
% 0.44/1.14  { ! r5, is_a_theorem( implies( implies( Y, Z ), implies( or( X, Y ), or( X
% 0.44/1.14    , Z ) ) ) ) }.
% 0.44/1.14  { ! is_a_theorem( implies( implies( skol49, skol55 ), implies( or( skol27, 
% 0.44/1.14    skol49 ), or( skol27, skol55 ) ) ) ), r5 }.
% 0.44/1.14  { ! op_or, or( X, Y ) = not( and( not( X ), not( Y ) ) ) }.
% 0.44/1.14  { ! op_and, and( X, Y ) = not( or( not( X ), not( Y ) ) ) }.
% 0.44/1.14  { ! op_implies_and, implies( X, Y ) = not( and( X, not( Y ) ) ) }.
% 0.44/1.14  { ! op_implies_or, implies( X, Y ) = or( not( X ), Y ) }.
% 0.44/1.14  { ! op_equiv, equiv( X, Y ) = and( implies( X, Y ), implies( Y, X ) ) }.
% 0.44/1.14  { op_or }.
% 0.44/1.14  { op_implies_and }.
% 0.44/1.14  { op_equiv }.
% 0.44/1.14  { modus_ponens }.
% 0.44/1.14  { modus_tollens }.
% 0.44/1.14  { implies_1 }.
% 0.44/1.14  { implies_2 }.
% 0.44/1.14  { implies_3 }.
% 0.44/1.14  { and_1 }.
% 0.44/1.14  { and_2 }.
% 0.44/1.14  { and_3 }.
% 0.44/1.14  { or_1 }.
% 0.44/1.14  { or_2 }.
% 0.44/1.14  { or_3 }.
% 0.44/1.14  { equivalence_1 }.
% 0.44/1.14  { equivalence_2 }.
% 0.44/1.14  { equivalence_3 }.
% 0.44/1.14  { substitution_of_equivalents }.
% 0.44/1.14  { op_or }.
% 0.44/1.14  { op_implies }.
% 0.44/1.14  { op_equiv }.
% 0.44/1.14  { ! cn2 }.
% 0.44/1.14  
% 0.44/1.14  percentage equality = 0.047619, percentage horn = 0.975610
% 0.44/1.14  This is a problem with some equality
% 0.44/1.14  
% 0.44/1.14  
% 0.44/1.14  
% 0.44/1.14  Options Used:
% 0.44/1.14  
% 0.44/1.14  useres =            1
% 0.44/1.14  useparamod =        1
% 0.44/1.14  useeqrefl =         1
% 0.44/1.14  useeqfact =         1
% 0.44/1.14  usefactor =         1
% 0.44/1.14  usesimpsplitting =  0
% 0.44/1.14  usesimpdemod =      5
% 0.44/1.14  usesimpres =        3
% 0.44/1.14  
% 0.44/1.14  resimpinuse      =  1000
% 0.44/1.14  resimpclauses =     20000
% 0.44/1.14  substype =          eqrewr
% 0.44/1.14  backwardsubs =      1
% 0.44/1.14  selectoldest =      5
% 0.44/1.14  
% 0.44/1.14  litorderings [0] =  split
% 0.44/1.14  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.44/1.14  
% 0.44/1.14  termordering =      kbo
% 0.44/1.14  
% 0.44/1.14  litapriori =        0
% 0.44/1.14  termapriori =       1
% 0.44/1.14  litaposteriori =    0
% 0.44/1.14  termaposteriori =   0
% 0.44/1.14  demodaposteriori =  0
% 0.44/1.14  ordereqreflfact =   0
% 0.44/1.14  
% 0.44/1.14  litselect =         negord
% 0.44/1.14  
% 0.44/1.14  maxweight =         15
% 0.44/1.14  maxdepth =          30000
% 0.44/1.14  maxlength =         115
% 0.44/1.14  maxnrvars =         195
% 0.44/1.14  excuselevel =       1
% 0.44/1.14  increasemaxweight = 1
% 0.44/1.14  
% 0.44/1.14  maxselected =       10000000
% 0.44/1.14  maxnrclauses =      10000000
% 0.44/1.14  
% 0.44/1.14  showgenerated =    0
% 0.44/1.14  showkept =         0
% 0.44/1.14  showselected =     0
% 0.44/1.14  showdeleted =      0
% 0.44/1.14  showresimp =       1
% 0.44/1.14  showstatus =       2000
% 0.44/1.14  
% 0.44/1.14  prologoutput =     0
% 0.44/1.14  nrgoals =          5000000
% 0.44/1.14  totalproof =       1
% 0.44/1.14  
% 0.44/1.14  Symbols occurring in the translation:
% 0.44/1.14  
% 0.44/1.14  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.44/1.14  .  [1, 2]      (w:1, o:107, a:1, s:1, b:0), 
% 0.44/1.14  !  [4, 1]      (w:0, o:98, a:1, s:1, b:0), 
% 0.44/1.14  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.44/1.14  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.44/1.14  modus_ponens  [35, 0]      (w:1, o:6, a:1, s:1, b:0), 
% 0.44/1.14  is_a_theorem  [38, 1]      (w:1, o:103, a:1, s:1, b:0), 
% 0.44/1.14  implies  [39, 2]      (w:1, o:131, a:1, s:1, b:0), 
% 0.44/1.14  substitution_of_equivalents  [40, 0]      (w:1, o:14, a:1, s:1, b:0), 
% 0.44/1.14  equiv  [41, 2]      (w:1, o:132, a:1, s:1, b:0), 
% 0.44/1.14  modus_tollens  [42, 0]      (w:1, o:15, a:1, s:1, b:0), 
% 0.44/1.14  not  [43, 1]      (w:1, o:104, a:1, s:1, b:0), 
% 0.44/1.14  implies_1  [44, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 0.44/1.14  implies_2  [45, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 0.44/1.14  implies_3  [46, 0]      (w:1, o:18, a:1, s:1, b:0), 
% 0.44/1.14  and_1  [48, 0]      (w:1, o:20, a:1, s:1, b:0), 
% 0.44/1.14  and  [49, 2]      (w:1, o:133, a:1, s:1, b:0), 
% 0.44/1.14  and_2  [50, 0]      (w:1, o:21, a:1, s:1, b:0), 
% 0.44/1.14  and_3  [51, 0]      (w:1, o:22, a:1, s:1, b:0), 
% 0.44/1.14  or_1  [52, 0]      (w:1, o:23, a:1, s:1, b:0), 
% 0.44/1.14  or  [53, 2]      (w:1, o:134, a:1, s:1, b:0), 
% 0.44/1.14  or_2  [54, 0]      (w:1, o:24, a:1, s:1, b:0), 
% 0.44/1.14  or_3  [55, 0]      (w:1, o:25, a:1, s:1, b:0), 
% 0.44/1.14  equivalence_1  [56, 0]      (w:1, o:26, a:1, s:1, b:0), 
% 0.44/1.14  equivalence_2  [57, 0]      (w:1, o:27, a:1, s:1, b:0), 
% 0.44/1.14  equivalence_3  [58, 0]      (w:1, o:28, a:1, s:1, b:0), 
% 0.44/1.14  kn1  [59, 0]      (w:1, o:29, a:1, s:1, b:0), 
% 0.44/1.14  kn2  [61, 0]      (w:1, o:31, a:1, s:1, b:0), 
% 0.44/1.14  kn3  [63, 0]      (w:1, o:33, a:1, s:1, b:0), 
% 0.44/1.14  cn1  [65, 0]      (w:1, o:35, a:1, s:1, b:0), 
% 1.33/1.71  cn2  [66, 0]      (w:1, o:36, a:1, s:1, b:0), 
% 1.33/1.71  cn3  [67, 0]      (w:1, o:37, a:1, s:1, b:0), 
% 1.33/1.71  r1  [68, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 1.33/1.71  r2  [69, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 1.33/1.71  r3  [70, 0]      (w:1, o:11, a:1, s:1, b:0), 
% 1.33/1.71  r4  [71, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 1.33/1.71  r5  [72, 0]      (w:1, o:13, a:1, s:1, b:0), 
% 1.33/1.71  op_or  [73, 0]      (w:1, o:38, a:1, s:1, b:0), 
% 1.33/1.71  op_and  [74, 0]      (w:1, o:39, a:1, s:1, b:0), 
% 1.33/1.71  op_implies_and  [75, 0]      (w:1, o:40, a:1, s:1, b:0), 
% 1.33/1.71  op_implies_or  [76, 0]      (w:1, o:41, a:1, s:1, b:0), 
% 1.33/1.71  op_equiv  [77, 0]      (w:1, o:42, a:1, s:1, b:0), 
% 1.33/1.71  op_implies  [78, 0]      (w:1, o:43, a:1, s:1, b:0), 
% 1.33/1.71  alpha1  [79, 1]      (w:1, o:105, a:1, s:1, b:1), 
% 1.33/1.71  skol1  [80, 0]      (w:1, o:44, a:1, s:1, b:1), 
% 1.33/1.71  skol2  [81, 1]      (w:1, o:106, a:1, s:1, b:1), 
% 1.33/1.71  skol3  [82, 0]      (w:1, o:55, a:1, s:1, b:1), 
% 1.33/1.71  skol4  [83, 0]      (w:1, o:66, a:1, s:1, b:1), 
% 1.33/1.71  skol5  [84, 0]      (w:1, o:77, a:1, s:1, b:1), 
% 1.33/1.71  skol6  [85, 0]      (w:1, o:84, a:1, s:1, b:1), 
% 1.33/1.71  skol7  [86, 0]      (w:1, o:85, a:1, s:1, b:1), 
% 1.33/1.71  skol8  [87, 0]      (w:1, o:86, a:1, s:1, b:1), 
% 1.33/1.71  skol9  [88, 0]      (w:1, o:87, a:1, s:1, b:1), 
% 1.33/1.71  skol10  [89, 0]      (w:1, o:88, a:1, s:1, b:1), 
% 1.33/1.71  skol11  [90, 0]      (w:1, o:89, a:1, s:1, b:1), 
% 1.33/1.71  skol12  [91, 0]      (w:1, o:90, a:1, s:1, b:1), 
% 1.33/1.71  skol13  [92, 0]      (w:1, o:91, a:1, s:1, b:1), 
% 1.33/1.71  skol14  [93, 0]      (w:1, o:92, a:1, s:1, b:1), 
% 1.33/1.71  skol15  [94, 0]      (w:1, o:93, a:1, s:1, b:1), 
% 1.33/1.71  skol16  [95, 0]      (w:1, o:94, a:1, s:1, b:1), 
% 1.33/1.71  skol17  [96, 0]      (w:1, o:95, a:1, s:1, b:1), 
% 1.33/1.71  skol18  [97, 0]      (w:1, o:96, a:1, s:1, b:1), 
% 1.33/1.71  skol19  [98, 0]      (w:1, o:97, a:1, s:1, b:1), 
% 1.33/1.71  skol20  [99, 0]      (w:1, o:45, a:1, s:1, b:1), 
% 1.33/1.71  skol21  [100, 0]      (w:1, o:46, a:1, s:1, b:1), 
% 1.33/1.71  skol22  [101, 0]      (w:1, o:47, a:1, s:1, b:1), 
% 1.33/1.71  skol23  [102, 0]      (w:1, o:48, a:1, s:1, b:1), 
% 1.33/1.71  skol24  [103, 0]      (w:1, o:49, a:1, s:1, b:1), 
% 1.33/1.71  skol25  [104, 0]      (w:1, o:50, a:1, s:1, b:1), 
% 1.33/1.71  skol26  [105, 0]      (w:1, o:51, a:1, s:1, b:1), 
% 1.33/1.71  skol27  [106, 0]      (w:1, o:52, a:1, s:1, b:1), 
% 1.33/1.71  skol28  [107, 0]      (w:1, o:53, a:1, s:1, b:1), 
% 1.33/1.71  skol29  [108, 0]      (w:1, o:54, a:1, s:1, b:1), 
% 1.33/1.71  skol30  [109, 0]      (w:1, o:56, a:1, s:1, b:1), 
% 1.33/1.71  skol31  [110, 0]      (w:1, o:57, a:1, s:1, b:1), 
% 1.33/1.71  skol32  [111, 0]      (w:1, o:58, a:1, s:1, b:1), 
% 1.33/1.71  skol33  [112, 0]      (w:1, o:59, a:1, s:1, b:1), 
% 1.33/1.71  skol34  [113, 0]      (w:1, o:60, a:1, s:1, b:1), 
% 1.33/1.71  skol35  [114, 0]      (w:1, o:61, a:1, s:1, b:1), 
% 1.33/1.71  skol36  [115, 0]      (w:1, o:62, a:1, s:1, b:1), 
% 1.33/1.71  skol37  [116, 0]      (w:1, o:63, a:1, s:1, b:1), 
% 1.33/1.71  skol38  [117, 0]      (w:1, o:64, a:1, s:1, b:1), 
% 1.33/1.71  skol39  [118, 0]      (w:1, o:65, a:1, s:1, b:1), 
% 1.33/1.71  skol40  [119, 0]      (w:1, o:67, a:1, s:1, b:1), 
% 1.33/1.71  skol41  [120, 0]      (w:1, o:68, a:1, s:1, b:1), 
% 1.33/1.71  skol42  [121, 0]      (w:1, o:69, a:1, s:1, b:1), 
% 1.33/1.71  skol43  [122, 0]      (w:1, o:70, a:1, s:1, b:1), 
% 1.33/1.71  skol44  [123, 0]      (w:1, o:71, a:1, s:1, b:1), 
% 1.33/1.71  skol45  [124, 0]      (w:1, o:72, a:1, s:1, b:1), 
% 1.33/1.71  skol46  [125, 0]      (w:1, o:73, a:1, s:1, b:1), 
% 1.33/1.71  skol47  [126, 0]      (w:1, o:74, a:1, s:1, b:1), 
% 1.33/1.71  skol48  [127, 0]      (w:1, o:75, a:1, s:1, b:1), 
% 1.33/1.71  skol49  [128, 0]      (w:1, o:76, a:1, s:1, b:1), 
% 1.33/1.71  skol50  [129, 0]      (w:1, o:78, a:1, s:1, b:1), 
% 1.33/1.71  skol51  [130, 0]      (w:1, o:79, a:1, s:1, b:1), 
% 1.33/1.71  skol52  [131, 0]      (w:1, o:80, a:1, s:1, b:1), 
% 1.33/1.71  skol53  [132, 0]      (w:1, o:81, a:1, s:1, b:1), 
% 1.33/1.71  skol54  [133, 0]      (w:1, o:82, a:1, s:1, b:1), 
% 1.33/1.71  skol55  [134, 0]      (w:1, o:83, a:1, s:1, b:1).
% 1.33/1.71  
% 1.33/1.71  
% 1.33/1.71  Starting Search:
% 1.33/1.71  
% 1.33/1.71  *** allocated 15000 integers for clauses
% 1.33/1.71  *** allocated 22500 integers for clauses
% 1.33/1.71  *** allocated 33750 integers for clauses
% 1.33/1.71  *** allocated 50625 integers for clauses
% 1.33/1.71  *** allocated 15000 integers for termspace/termends
% 1.33/1.71  *** allocated 75937 integers for clauses
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  *** allocated 22500 integers for termspace/termends
% 1.33/1.71  *** allocated 113905 integers for clauses
% 1.33/1.71  *** allocated 33750 integers for termspace/termends
% 1.33/1.71  
% 1.33/1.71  Intermediate Status:
% 1.33/1.71  Generated:    4061
% 1.33/1.71  Kept:         2017
% 1.33/1.71  Inuse:        159
% 1.33/1.71  Deleted:      63
% 1.33/1.71  Deletedinuse: 20
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  *** allocated 170857 integers for clauses
% 1.33/1.71  *** allocated 50625 integers for termspace/termends
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  *** allocated 256285 integers for clauses
% 1.33/1.71  
% 1.33/1.71  Intermediate Status:
% 1.33/1.71  Generated:    7724
% 1.33/1.71  Kept:         4123
% 1.33/1.71  Inuse:        246
% 1.33/1.71  Deleted:      70
% 1.33/1.71  Deletedinuse: 20
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  *** allocated 75937 integers for termspace/termends
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  *** allocated 384427 integers for clauses
% 1.33/1.71  *** allocated 113905 integers for termspace/termends
% 1.33/1.71  
% 1.33/1.71  Intermediate Status:
% 1.33/1.71  Generated:    12292
% 1.33/1.71  Kept:         6814
% 1.33/1.71  Inuse:        324
% 1.33/1.71  Deleted:      87
% 1.33/1.71  Deletedinuse: 20
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  *** allocated 576640 integers for clauses
% 1.33/1.71  *** allocated 170857 integers for termspace/termends
% 1.33/1.71  
% 1.33/1.71  Intermediate Status:
% 1.33/1.71  Generated:    15609
% 1.33/1.71  Kept:         9295
% 1.33/1.71  Inuse:        350
% 1.33/1.71  Deleted:      91
% 1.33/1.71  Deletedinuse: 20
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  
% 1.33/1.71  Intermediate Status:
% 1.33/1.71  Generated:    19034
% 1.33/1.71  Kept:         11349
% 1.33/1.71  Inuse:        382
% 1.33/1.71  Deleted:      97
% 1.33/1.71  Deletedinuse: 20
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  *** allocated 256285 integers for termspace/termends
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  *** allocated 864960 integers for clauses
% 1.33/1.71  
% 1.33/1.71  Intermediate Status:
% 1.33/1.71  Generated:    24226
% 1.33/1.71  Kept:         14504
% 1.33/1.71  Inuse:        426
% 1.33/1.71  Deleted:      105
% 1.33/1.71  Deletedinuse: 20
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  
% 1.33/1.71  Intermediate Status:
% 1.33/1.71  Generated:    26934
% 1.33/1.71  Kept:         16559
% 1.33/1.71  Inuse:        432
% 1.33/1.71  Deleted:      105
% 1.33/1.71  Deletedinuse: 20
% 1.33/1.71  
% 1.33/1.71  *** allocated 384427 integers for termspace/termends
% 1.33/1.71  
% 1.33/1.71  Intermediate Status:
% 1.33/1.71  Generated:    29568
% 1.33/1.71  Kept:         18573
% 1.33/1.71  Inuse:        436
% 1.33/1.71  Deleted:      105
% 1.33/1.71  Deletedinuse: 20
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  *** allocated 1297440 integers for clauses
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  Resimplifying clauses:
% 1.33/1.71  Done
% 1.33/1.71  
% 1.33/1.71  
% 1.33/1.71  Intermediate Status:
% 1.33/1.71  Generated:    32221
% 1.33/1.71  Kept:         20573
% 1.33/1.71  Inuse:        457
% 1.33/1.71  Deleted:      354
% 1.33/1.71  Deletedinuse: 20
% 1.33/1.71  
% 1.33/1.71  Resimplifying inuse:
% 1.33/1.71  
% 1.33/1.71  Bliksems!, er is een bewijs:
% 1.33/1.71  % SZS status Theorem
% 1.33/1.71  % SZS output start Refutation
% 1.33/1.71  
% 1.33/1.71  (23) {G0,W7,D4,L2,V2,M2} I { ! or_1, is_a_theorem( implies( X, or( X, Y ) )
% 1.33/1.71     ) }.
% 1.33/1.71  (44) {G0,W8,D5,L2,V0,M2} I { ! is_a_theorem( implies( skol21, implies( not
% 1.33/1.71    ( skol21 ), skol45 ) ) ), cn2 }.
% 1.33/1.71  (57) {G0,W11,D5,L2,V2,M2} I { ! op_or, not( and( not( X ), not( Y ) ) ) ==>
% 1.33/1.71     or( X, Y ) }.
% 1.33/1.71  (59) {G0,W10,D5,L2,V2,M2} I { ! op_implies_and, not( and( X, not( Y ) ) ) 
% 1.33/1.71    ==> implies( X, Y ) }.
% 1.33/1.71  (62) {G0,W1,D1,L1,V0,M1} I { op_or }.
% 1.33/1.71  (63) {G0,W1,D1,L1,V0,M1} I { op_implies_and }.
% 1.33/1.71  (73) {G0,W1,D1,L1,V0,M1} I { or_1 }.
% 1.33/1.71  (81) {G0,W1,D1,L1,V0,M1} I { ! cn2 }.
% 1.33/1.71  (662) {G1,W6,D4,L1,V2,M1} S(23);r(73) { is_a_theorem( implies( X, or( X, Y
% 1.33/1.71     ) ) ) }.
% 1.33/1.71  (1989) {G1,W7,D5,L1,V0,M1} S(44);r(81) { ! is_a_theorem( implies( skol21, 
% 1.33/1.71    implies( not( skol21 ), skol45 ) ) ) }.
% 1.33/1.71  (2816) {G1,W10,D5,L1,V2,M1} S(57);r(62) { not( and( not( X ), not( Y ) ) ) 
% 1.33/1.71    ==> or( X, Y ) }.
% 1.33/1.71  (2956) {G1,W9,D5,L1,V2,M1} S(59);r(63) { not( and( X, not( Y ) ) ) ==> 
% 1.33/1.71    implies( X, Y ) }.
% 1.33/1.71  (20457) {G2,W8,D4,L1,V2,M1} S(2816);d(2956) { implies( not( X ), Y ) ==> or
% 1.33/1.71    ( X, Y ) }.
% 1.33/1.71  (20746) {G3,W0,D0,L0,V0,M0} S(1989);d(20457);r(662) {  }.
% 1.33/1.71  
% 1.33/1.71  
% 1.33/1.71  % SZS output end Refutation
% 1.33/1.71  found a proof!
% 1.33/1.71  
% 1.33/1.71  
% 1.33/1.71  Unprocessed initial clauses:
% 1.33/1.71  
% 1.33/1.71  (20748) {G0,W5,D2,L3,V1,M3}  { ! modus_ponens, ! alpha1( X ), is_a_theorem
% 1.33/1.71    ( X ) }.
% 1.33/1.71  (20749) {G0,W3,D2,L2,V0,M2}  { alpha1( skol1 ), modus_ponens }.
% 1.33/1.71  (20750) {G0,W3,D2,L2,V0,M2}  { ! is_a_theorem( skol1 ), modus_ponens }.
% 1.33/1.71  (20751) {G0,W5,D3,L2,V2,M2}  { ! alpha1( X ), is_a_theorem( skol2( Y ) )
% 1.33/1.71     }.
% 1.33/1.71  (20752) {G0,W7,D4,L2,V1,M2}  { ! alpha1( X ), is_a_theorem( implies( skol2
% 1.33/1.71    ( X ), X ) ) }.
% 1.33/1.71  (20753) {G0,W8,D3,L3,V2,M3}  { ! is_a_theorem( Y ), ! is_a_theorem( implies
% 1.33/1.71    ( Y, X ) ), alpha1( X ) }.
% 1.33/1.71  (20754) {G0,W8,D3,L3,V2,M3}  { ! substitution_of_equivalents, ! 
% 1.33/1.71    is_a_theorem( equiv( X, Y ) ), X = Y }.
% 1.33/1.71  (20755) {G0,W5,D3,L2,V0,M2}  { is_a_theorem( equiv( skol3, skol28 ) ), 
% 1.33/1.71    substitution_of_equivalents }.
% 1.33/1.71  (20756) {G0,W4,D2,L2,V0,M2}  { ! skol3 = skol28, 
% 1.33/1.71    substitution_of_equivalents }.
% 1.33/1.71  (20757) {G0,W11,D5,L2,V2,M2}  { ! modus_tollens, is_a_theorem( implies( 
% 1.33/1.71    implies( not( Y ), not( X ) ), implies( X, Y ) ) ) }.
% 1.33/1.71  (20758) {G0,W11,D5,L2,V0,M2}  { ! is_a_theorem( implies( implies( not( 
% 1.33/1.71    skol29 ), not( skol4 ) ), implies( skol4, skol29 ) ) ), modus_tollens }.
% 1.33/1.71  (20759) {G0,W7,D4,L2,V2,M2}  { ! implies_1, is_a_theorem( implies( X, 
% 1.33/1.71    implies( Y, X ) ) ) }.
% 1.33/1.71  (20760) {G0,W7,D4,L2,V0,M2}  { ! is_a_theorem( implies( skol5, implies( 
% 1.33/1.71    skol30, skol5 ) ) ), implies_1 }.
% 1.33/1.71  (20761) {G0,W11,D5,L2,V2,M2}  { ! implies_2, is_a_theorem( implies( implies
% 1.33/1.71    ( X, implies( X, Y ) ), implies( X, Y ) ) ) }.
% 1.33/1.71  (20762) {G0,W11,D5,L2,V0,M2}  { ! is_a_theorem( implies( implies( skol6, 
% 1.33/1.71    implies( skol6, skol31 ) ), implies( skol6, skol31 ) ) ), implies_2 }.
% 1.33/1.71  (20763) {G0,W13,D5,L2,V3,M2}  { ! implies_3, is_a_theorem( implies( implies
% 1.33/1.71    ( X, Y ), implies( implies( Y, Z ), implies( X, Z ) ) ) ) }.
% 1.33/1.71  (20764) {G0,W13,D5,L2,V0,M2}  { ! is_a_theorem( implies( implies( skol7, 
% 1.33/1.71    skol32 ), implies( implies( skol32, skol50 ), implies( skol7, skol50 ) )
% 1.33/1.71     ) ), implies_3 }.
% 1.33/1.71  (20765) {G0,W7,D4,L2,V2,M2}  { ! and_1, is_a_theorem( implies( and( X, Y )
% 1.33/1.71    , X ) ) }.
% 1.33/1.71  (20766) {G0,W7,D4,L2,V0,M2}  { ! is_a_theorem( implies( and( skol8, skol33
% 1.33/1.71     ), skol8 ) ), and_1 }.
% 1.33/1.71  (20767) {G0,W7,D4,L2,V2,M2}  { ! and_2, is_a_theorem( implies( and( X, Y )
% 1.33/1.71    , Y ) ) }.
% 1.33/1.71  (20768) {G0,W7,D4,L2,V0,M2}  { ! is_a_theorem( implies( and( skol9, skol34
% 1.33/1.71     ), skol34 ) ), and_2 }.
% 1.33/1.71  (20769) {G0,W9,D5,L2,V2,M2}  { ! and_3, is_a_theorem( implies( X, implies( 
% 1.33/1.71    Y, and( X, Y ) ) ) ) }.
% 1.33/1.71  (20770) {G0,W9,D5,L2,V0,M2}  { ! is_a_theorem( implies( skol10, implies( 
% 1.33/1.71    skol35, and( skol10, skol35 ) ) ) ), and_3 }.
% 1.33/1.71  (20771) {G0,W7,D4,L2,V2,M2}  { ! or_1, is_a_theorem( implies( X, or( X, Y )
% 1.33/1.71     ) ) }.
% 1.33/1.71  (20772) {G0,W7,D4,L2,V0,M2}  { ! is_a_theorem( implies( skol11, or( skol11
% 1.33/1.71    , skol36 ) ) ), or_1 }.
% 1.33/1.71  (20773) {G0,W7,D4,L2,V2,M2}  { ! or_2, is_a_theorem( implies( Y, or( X, Y )
% 1.33/1.71     ) ) }.
% 1.33/1.71  (20774) {G0,W7,D4,L2,V0,M2}  { ! is_a_theorem( implies( skol37, or( skol12
% 1.33/1.71    , skol37 ) ) ), or_2 }.
% 1.33/1.71  (20775) {G0,W15,D6,L2,V3,M2}  { ! or_3, is_a_theorem( implies( implies( X, 
% 1.33/1.71    Z ), implies( implies( Y, Z ), implies( or( X, Y ), Z ) ) ) ) }.
% 1.33/1.71  (20776) {G0,W15,D6,L2,V0,M2}  { ! is_a_theorem( implies( implies( skol13, 
% 1.33/1.71    skol51 ), implies( implies( skol38, skol51 ), implies( or( skol13, skol38
% 1.33/1.71     ), skol51 ) ) ) ), or_3 }.
% 1.33/1.71  (20777) {G0,W9,D4,L2,V2,M2}  { ! equivalence_1, is_a_theorem( implies( 
% 1.33/1.71    equiv( X, Y ), implies( X, Y ) ) ) }.
% 1.33/1.71  (20778) {G0,W9,D4,L2,V0,M2}  { ! is_a_theorem( implies( equiv( skol14, 
% 1.33/1.71    skol39 ), implies( skol14, skol39 ) ) ), equivalence_1 }.
% 1.33/1.71  (20779) {G0,W9,D4,L2,V2,M2}  { ! equivalence_2, is_a_theorem( implies( 
% 1.33/1.71    equiv( X, Y ), implies( Y, X ) ) ) }.
% 1.33/1.71  (20780) {G0,W9,D4,L2,V0,M2}  { ! is_a_theorem( implies( equiv( skol15, 
% 1.33/1.71    skol40 ), implies( skol40, skol15 ) ) ), equivalence_2 }.
% 1.33/1.71  (20781) {G0,W13,D5,L2,V2,M2}  { ! equivalence_3, is_a_theorem( implies( 
% 1.33/1.71    implies( X, Y ), implies( implies( Y, X ), equiv( X, Y ) ) ) ) }.
% 1.33/1.71  (20782) {G0,W13,D5,L2,V0,M2}  { ! is_a_theorem( implies( implies( skol16, 
% 1.33/1.71    skol41 ), implies( implies( skol41, skol16 ), equiv( skol16, skol41 ) ) )
% 1.33/1.71     ), equivalence_3 }.
% 1.33/1.71  (20783) {G0,W7,D4,L2,V1,M2}  { ! kn1, is_a_theorem( implies( X, and( X, X )
% 1.33/1.71     ) ) }.
% 1.33/1.71  (20784) {G0,W7,D4,L2,V0,M2}  { ! is_a_theorem( implies( skol17, and( skol17
% 1.33/1.71    , skol17 ) ) ), kn1 }.
% 1.33/1.71  (20785) {G0,W7,D4,L2,V2,M2}  { ! kn2, is_a_theorem( implies( and( X, Y ), X
% 1.33/1.71     ) ) }.
% 1.33/1.71  (20786) {G0,W7,D4,L2,V0,M2}  { ! is_a_theorem( implies( and( skol18, skol42
% 1.33/1.71     ), skol18 ) ), kn2 }.
% 1.33/1.71  (20787) {G0,W15,D6,L2,V3,M2}  { ! kn3, is_a_theorem( implies( implies( X, Y
% 1.33/1.71     ), implies( not( and( Y, Z ) ), not( and( Z, X ) ) ) ) ) }.
% 1.33/1.71  (20788) {G0,W15,D6,L2,V0,M2}  { ! is_a_theorem( implies( implies( skol19, 
% 1.33/1.71    skol43 ), implies( not( and( skol43, skol52 ) ), not( and( skol52, skol19
% 1.33/1.71     ) ) ) ) ), kn3 }.
% 1.33/1.71  (20789) {G0,W13,D5,L2,V3,M2}  { ! cn1, is_a_theorem( implies( implies( X, Y
% 1.33/1.71     ), implies( implies( Y, Z ), implies( X, Z ) ) ) ) }.
% 1.33/1.71  (20790) {G0,W13,D5,L2,V0,M2}  { ! is_a_theorem( implies( implies( skol20, 
% 1.33/1.71    skol44 ), implies( implies( skol44, skol53 ), implies( skol20, skol53 ) )
% 1.33/1.71     ) ), cn1 }.
% 1.33/1.71  (20791) {G0,W8,D5,L2,V2,M2}  { ! cn2, is_a_theorem( implies( X, implies( 
% 1.33/1.71    not( X ), Y ) ) ) }.
% 1.33/1.71  (20792) {G0,W8,D5,L2,V0,M2}  { ! is_a_theorem( implies( skol21, implies( 
% 1.33/1.71    not( skol21 ), skol45 ) ) ), cn2 }.
% 1.33/1.71  (20793) {G0,W8,D5,L2,V1,M2}  { ! cn3, is_a_theorem( implies( implies( not( 
% 1.33/1.71    X ), X ), X ) ) }.
% 1.33/1.71  (20794) {G0,W8,D5,L2,V0,M2}  { ! is_a_theorem( implies( implies( not( 
% 1.33/1.71    skol22 ), skol22 ), skol22 ) ), cn3 }.
% 1.33/1.71  (20795) {G0,W7,D4,L2,V1,M2}  { ! r1, is_a_theorem( implies( or( X, X ), X )
% 1.33/1.71     ) }.
% 1.33/1.71  (20796) {G0,W7,D4,L2,V0,M2}  { ! is_a_theorem( implies( or( skol23, skol23
% 1.33/1.71     ), skol23 ) ), r1 }.
% 1.33/1.71  (20797) {G0,W7,D4,L2,V2,M2}  { ! r2, is_a_theorem( implies( Y, or( X, Y ) )
% 1.33/1.71     ) }.
% 1.33/1.71  (20798) {G0,W7,D4,L2,V0,M2}  { ! is_a_theorem( implies( skol46, or( skol24
% 1.33/1.71    , skol46 ) ) ), r2 }.
% 1.33/1.71  (20799) {G0,W9,D4,L2,V2,M2}  { ! r3, is_a_theorem( implies( or( X, Y ), or
% 1.33/1.71    ( Y, X ) ) ) }.
% 1.33/1.71  (20800) {G0,W9,D4,L2,V0,M2}  { ! is_a_theorem( implies( or( skol25, skol47
% 1.33/1.71     ), or( skol47, skol25 ) ) ), r3 }.
% 1.33/1.71  (20801) {G0,W13,D5,L2,V3,M2}  { ! r4, is_a_theorem( implies( or( X, or( Y, 
% 1.33/1.71    Z ) ), or( Y, or( X, Z ) ) ) ) }.
% 1.33/1.71  (20802) {G0,W13,D5,L2,V0,M2}  { ! is_a_theorem( implies( or( skol26, or( 
% 1.33/1.71    skol48, skol54 ) ), or( skol48, or( skol26, skol54 ) ) ) ), r4 }.
% 1.33/1.71  (20803) {G0,W13,D5,L2,V3,M2}  { ! r5, is_a_theorem( implies( implies( Y, Z
% 1.33/1.71     ), implies( or( X, Y ), or( X, Z ) ) ) ) }.
% 1.33/1.71  (20804) {G0,W13,D5,L2,V0,M2}  { ! is_a_theorem( implies( implies( skol49, 
% 1.33/1.71    skol55 ), implies( or( skol27, skol49 ), or( skol27, skol55 ) ) ) ), r5
% 1.33/1.71     }.
% 1.33/1.71  (20805) {G0,W11,D5,L2,V2,M2}  { ! op_or, or( X, Y ) = not( and( not( X ), 
% 1.33/1.71    not( Y ) ) ) }.
% 1.33/1.71  (20806) {G0,W11,D5,L2,V2,M2}  { ! op_and, and( X, Y ) = not( or( not( X ), 
% 1.33/1.71    not( Y ) ) ) }.
% 1.33/1.71  (20807) {G0,W10,D5,L2,V2,M2}  { ! op_implies_and, implies( X, Y ) = not( 
% 1.33/1.71    and( X, not( Y ) ) ) }.
% 1.33/1.71  (20808) {G0,W9,D4,L2,V2,M2}  { ! op_implies_or, implies( X, Y ) = or( not( 
% 1.33/1.71    X ), Y ) }.
% 1.33/1.71  (20809) {G0,W12,D4,L2,V2,M2}  { ! op_equiv, equiv( X, Y ) = and( implies( X
% 1.33/1.71    , Y ), implies( Y, X ) ) }.
% 1.33/1.71  (20810) {G0,W1,D1,L1,V0,M1}  { op_or }.
% 1.33/1.71  (20811) {G0,W1,D1,L1,V0,M1}  { op_implies_and }.
% 1.33/1.71  (20812) {G0,W1,D1,L1,V0,M1}  { op_equiv }.
% 1.33/1.71  (20813) {G0,W1,D1,L1,V0,M1}  { modus_ponens }.
% 1.33/1.71  (20814) {G0,W1,D1,L1,V0,M1}  { modus_tollens }.
% 1.33/1.71  (20815) {G0,W1,D1,L1,V0,M1}  { implies_1 }.
% 1.33/1.71  (20816) {G0,W1,D1,L1,V0,M1}  { implies_2 }.
% 1.33/1.71  (20817) {G0,W1,D1,L1,V0,M1}  { implies_3 }.
% 1.33/1.71  (20818) {G0,W1,D1,L1,V0,M1}  { and_1 }.
% 1.33/1.71  (20819) {G0,W1,D1,L1,V0,M1}  { and_2 }.
% 1.33/1.71  (20820) {G0,W1,D1,L1,V0,M1}  { and_3 }.
% 1.33/1.71  (20821) {G0,W1,D1,L1,V0,M1}  { or_1 }.
% 1.33/1.71  (20822) {G0,W1,D1,L1,V0,M1}  { or_2 }.
% 1.33/1.71  (20823) {G0,W1,D1,L1,V0,M1}  { or_3 }.
% 1.33/1.71  (20824) {G0,W1,D1,L1,V0,M1}  { equivalence_1 }.
% 1.33/1.71  (20825) {G0,W1,D1,L1,V0,M1}  { equivalence_2 }.
% 1.33/1.71  (20826) {G0,W1,D1,L1,V0,M1}  { equivalence_3 }.
% 1.33/1.71  (20827) {G0,W1,D1,L1,V0,M1}  { substitution_of_equivalents }.
% 1.33/1.71  (20828) {G0,W1,D1,L1,V0,M1}  { op_or }.
% 1.33/1.71  (20829) {G0,W1,D1,L1,V0,M1}  { op_implies }.
% 1.33/1.71  (20830) {G0,W1,D1,L1,V0,M1}  { op_equiv }.
% 1.33/1.71  (20831) {G0,W1,D1,L1,V0,M1}  { ! cn2 }.
% 1.33/1.71  
% 1.33/1.71  
% 1.33/1.71  Total Proof:
% 1.33/1.71  
% 1.33/1.71  subsumption: (23) {G0,W7,D4,L2,V2,M2} I { ! or_1, is_a_theorem( implies( X
% 1.33/1.71    , or( X, Y ) ) ) }.
% 1.33/1.71  parent0: (20771) {G0,W7,D4,L2,V2,M2}  { ! or_1, is_a_theorem( implies( X, 
% 1.33/1.71    or( X, Y ) ) ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71     1 ==> 1
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (44) {G0,W8,D5,L2,V0,M2} I { ! is_a_theorem( implies( skol21, 
% 1.33/1.71    implies( not( skol21 ), skol45 ) ) ), cn2 }.
% 1.33/1.71  parent0: (20792) {G0,W8,D5,L2,V0,M2}  { ! is_a_theorem( implies( skol21, 
% 1.33/1.71    implies( not( skol21 ), skol45 ) ) ), cn2 }.
% 1.33/1.71  substitution0:
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71     1 ==> 1
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  eqswap: (20838) {G0,W11,D5,L2,V2,M2}  { not( and( not( X ), not( Y ) ) ) = 
% 1.33/1.71    or( X, Y ), ! op_or }.
% 1.33/1.71  parent0[1]: (20805) {G0,W11,D5,L2,V2,M2}  { ! op_or, or( X, Y ) = not( and
% 1.33/1.71    ( not( X ), not( Y ) ) ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (57) {G0,W11,D5,L2,V2,M2} I { ! op_or, not( and( not( X ), not
% 1.33/1.71    ( Y ) ) ) ==> or( X, Y ) }.
% 1.33/1.71  parent0: (20838) {G0,W11,D5,L2,V2,M2}  { not( and( not( X ), not( Y ) ) ) =
% 1.33/1.71     or( X, Y ), ! op_or }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 1
% 1.33/1.71     1 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  eqswap: (20843) {G0,W10,D5,L2,V2,M2}  { not( and( X, not( Y ) ) ) = implies
% 1.33/1.71    ( X, Y ), ! op_implies_and }.
% 1.33/1.71  parent0[1]: (20807) {G0,W10,D5,L2,V2,M2}  { ! op_implies_and, implies( X, Y
% 1.33/1.71     ) = not( and( X, not( Y ) ) ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (59) {G0,W10,D5,L2,V2,M2} I { ! op_implies_and, not( and( X, 
% 1.33/1.71    not( Y ) ) ) ==> implies( X, Y ) }.
% 1.33/1.71  parent0: (20843) {G0,W10,D5,L2,V2,M2}  { not( and( X, not( Y ) ) ) = 
% 1.33/1.71    implies( X, Y ), ! op_implies_and }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 1
% 1.33/1.71     1 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (62) {G0,W1,D1,L1,V0,M1} I { op_or }.
% 1.33/1.71  parent0: (20810) {G0,W1,D1,L1,V0,M1}  { op_or }.
% 1.33/1.71  substitution0:
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (63) {G0,W1,D1,L1,V0,M1} I { op_implies_and }.
% 1.33/1.71  parent0: (20811) {G0,W1,D1,L1,V0,M1}  { op_implies_and }.
% 1.33/1.71  substitution0:
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (73) {G0,W1,D1,L1,V0,M1} I { or_1 }.
% 1.33/1.71  parent0: (20821) {G0,W1,D1,L1,V0,M1}  { or_1 }.
% 1.33/1.71  substitution0:
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (81) {G0,W1,D1,L1,V0,M1} I { ! cn2 }.
% 1.33/1.71  parent0: (20831) {G0,W1,D1,L1,V0,M1}  { ! cn2 }.
% 1.33/1.71  substitution0:
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  resolution: (20872) {G1,W6,D4,L1,V2,M1}  { is_a_theorem( implies( X, or( X
% 1.33/1.71    , Y ) ) ) }.
% 1.33/1.71  parent0[0]: (23) {G0,W7,D4,L2,V2,M2} I { ! or_1, is_a_theorem( implies( X, 
% 1.33/1.71    or( X, Y ) ) ) }.
% 1.33/1.71  parent1[0]: (73) {G0,W1,D1,L1,V0,M1} I { or_1 }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  substitution1:
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (662) {G1,W6,D4,L1,V2,M1} S(23);r(73) { is_a_theorem( implies
% 1.33/1.71    ( X, or( X, Y ) ) ) }.
% 1.33/1.71  parent0: (20872) {G1,W6,D4,L1,V2,M1}  { is_a_theorem( implies( X, or( X, Y
% 1.33/1.71     ) ) ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  resolution: (20873) {G1,W7,D5,L1,V0,M1}  { ! is_a_theorem( implies( skol21
% 1.33/1.71    , implies( not( skol21 ), skol45 ) ) ) }.
% 1.33/1.71  parent0[0]: (81) {G0,W1,D1,L1,V0,M1} I { ! cn2 }.
% 1.33/1.71  parent1[1]: (44) {G0,W8,D5,L2,V0,M2} I { ! is_a_theorem( implies( skol21, 
% 1.33/1.71    implies( not( skol21 ), skol45 ) ) ), cn2 }.
% 1.33/1.71  substitution0:
% 1.33/1.71  end
% 1.33/1.71  substitution1:
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (1989) {G1,W7,D5,L1,V0,M1} S(44);r(81) { ! is_a_theorem( 
% 1.33/1.71    implies( skol21, implies( not( skol21 ), skol45 ) ) ) }.
% 1.33/1.71  parent0: (20873) {G1,W7,D5,L1,V0,M1}  { ! is_a_theorem( implies( skol21, 
% 1.33/1.71    implies( not( skol21 ), skol45 ) ) ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  resolution: (20875) {G1,W10,D5,L1,V2,M1}  { not( and( not( X ), not( Y ) )
% 1.33/1.71     ) ==> or( X, Y ) }.
% 1.33/1.71  parent0[0]: (57) {G0,W11,D5,L2,V2,M2} I { ! op_or, not( and( not( X ), not
% 1.33/1.71    ( Y ) ) ) ==> or( X, Y ) }.
% 1.33/1.71  parent1[0]: (62) {G0,W1,D1,L1,V0,M1} I { op_or }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  substitution1:
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (2816) {G1,W10,D5,L1,V2,M1} S(57);r(62) { not( and( not( X ), 
% 1.33/1.71    not( Y ) ) ) ==> or( X, Y ) }.
% 1.33/1.71  parent0: (20875) {G1,W10,D5,L1,V2,M1}  { not( and( not( X ), not( Y ) ) ) 
% 1.33/1.71    ==> or( X, Y ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  resolution: (20878) {G1,W9,D5,L1,V2,M1}  { not( and( X, not( Y ) ) ) ==> 
% 1.33/1.71    implies( X, Y ) }.
% 1.33/1.71  parent0[0]: (59) {G0,W10,D5,L2,V2,M2} I { ! op_implies_and, not( and( X, 
% 1.33/1.71    not( Y ) ) ) ==> implies( X, Y ) }.
% 1.33/1.71  parent1[0]: (63) {G0,W1,D1,L1,V0,M1} I { op_implies_and }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  substitution1:
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (2956) {G1,W9,D5,L1,V2,M1} S(59);r(63) { not( and( X, not( Y )
% 1.33/1.71     ) ) ==> implies( X, Y ) }.
% 1.33/1.71  parent0: (20878) {G1,W9,D5,L1,V2,M1}  { not( and( X, not( Y ) ) ) ==> 
% 1.33/1.71    implies( X, Y ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  paramod: (20882) {G2,W8,D4,L1,V2,M1}  { implies( not( X ), Y ) ==> or( X, Y
% 1.33/1.71     ) }.
% 1.33/1.71  parent0[0]: (2956) {G1,W9,D5,L1,V2,M1} S(59);r(63) { not( and( X, not( Y )
% 1.33/1.71     ) ) ==> implies( X, Y ) }.
% 1.33/1.71  parent1[0; 1]: (2816) {G1,W10,D5,L1,V2,M1} S(57);r(62) { not( and( not( X )
% 1.33/1.71    , not( Y ) ) ) ==> or( X, Y ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := not( X )
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  substitution1:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (20457) {G2,W8,D4,L1,V2,M1} S(2816);d(2956) { implies( not( X
% 1.33/1.71     ), Y ) ==> or( X, Y ) }.
% 1.33/1.71  parent0: (20882) {G2,W8,D4,L1,V2,M1}  { implies( not( X ), Y ) ==> or( X, Y
% 1.33/1.71     ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := X
% 1.33/1.71     Y := Y
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71     0 ==> 0
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  paramod: (20885) {G2,W6,D4,L1,V0,M1}  { ! is_a_theorem( implies( skol21, or
% 1.33/1.71    ( skol21, skol45 ) ) ) }.
% 1.33/1.71  parent0[0]: (20457) {G2,W8,D4,L1,V2,M1} S(2816);d(2956) { implies( not( X )
% 1.33/1.71    , Y ) ==> or( X, Y ) }.
% 1.33/1.71  parent1[0; 4]: (1989) {G1,W7,D5,L1,V0,M1} S(44);r(81) { ! is_a_theorem( 
% 1.33/1.71    implies( skol21, implies( not( skol21 ), skol45 ) ) ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71     X := skol21
% 1.33/1.71     Y := skol45
% 1.33/1.71  end
% 1.33/1.71  substitution1:
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  resolution: (20886) {G2,W0,D0,L0,V0,M0}  {  }.
% 1.33/1.71  parent0[0]: (20885) {G2,W6,D4,L1,V0,M1}  { ! is_a_theorem( implies( skol21
% 1.33/1.71    , or( skol21, skol45 ) ) ) }.
% 1.33/1.71  parent1[0]: (662) {G1,W6,D4,L1,V2,M1} S(23);r(73) { is_a_theorem( implies( 
% 1.33/1.71    X, or( X, Y ) ) ) }.
% 1.33/1.71  substitution0:
% 1.33/1.71  end
% 1.33/1.71  substitution1:
% 1.33/1.71     X := skol21
% 1.33/1.71     Y := skol45
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  subsumption: (20746) {G3,W0,D0,L0,V0,M0} S(1989);d(20457);r(662) {  }.
% 1.33/1.71  parent0: (20886) {G2,W0,D0,L0,V0,M0}  {  }.
% 1.33/1.71  substitution0:
% 1.33/1.71  end
% 1.33/1.71  permutation0:
% 1.33/1.71  end
% 1.33/1.71  
% 1.33/1.71  Proof check complete!
% 1.33/1.71  
% 1.33/1.71  Memory use:
% 1.33/1.71  
% 1.33/1.71  space for terms:        305801
% 1.33/1.71  space for clauses:      931048
% 1.33/1.71  
% 1.33/1.71  
% 1.33/1.71  clauses generated:      32435
% 1.33/1.71  clauses kept:           20747
% 1.33/1.71  clauses selected:       460
% 1.33/1.71  clauses deleted:        356
% 1.33/1.71  clauses inuse deleted:  22
% 1.33/1.71  
% 1.33/1.71  subsentry:          147819
% 1.33/1.71  literals s-matched: 74762
% 1.33/1.71  literals matched:   74742
% 1.33/1.71  full subsumption:   37567
% 1.33/1.71  
% 1.33/1.71  checksum:           -722309295
% 1.33/1.71  
% 1.33/1.71  
% 1.33/1.71  Bliksem ended
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