TSTP Solution File: SET767+4 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET767+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n029.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 : Mon Jul 18 22:51:52 EDT 2022

% Result   : Theorem 2.24s 2.61s
% Output   : Refutation 2.24s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SET767+4 : TPTP v8.1.0. Released v2.2.0.
% 0.12/0.13  % Command  : bliksem %s
% 0.14/0.34  % Computer : n029.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % DateTime : Sat Jul  9 17:55:30 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.71/1.11  *** allocated 10000 integers for termspace/termends
% 0.71/1.11  *** allocated 10000 integers for clauses
% 0.71/1.11  *** allocated 10000 integers for justifications
% 0.71/1.11  Bliksem 1.12
% 0.71/1.11  
% 0.71/1.11  
% 0.71/1.11  Automatic Strategy Selection
% 0.71/1.11  
% 0.71/1.11  
% 0.71/1.11  Clauses:
% 0.71/1.11  
% 0.71/1.11  { ! subset( X, Y ), ! member( Z, X ), member( Z, Y ) }.
% 0.71/1.11  { ! member( skol1( Z, Y ), Y ), subset( X, Y ) }.
% 0.71/1.11  { member( skol1( X, Y ), X ), subset( X, Y ) }.
% 0.71/1.11  { ! equal_set( X, Y ), subset( X, Y ) }.
% 0.71/1.11  { ! equal_set( X, Y ), subset( Y, X ) }.
% 0.71/1.11  { ! subset( X, Y ), ! subset( Y, X ), equal_set( X, Y ) }.
% 0.71/1.11  { ! member( X, power_set( Y ) ), subset( X, Y ) }.
% 0.71/1.11  { ! subset( X, Y ), member( X, power_set( Y ) ) }.
% 0.71/1.11  { ! member( X, intersection( Y, Z ) ), member( X, Y ) }.
% 0.71/1.11  { ! member( X, intersection( Y, Z ) ), member( X, Z ) }.
% 0.71/1.11  { ! member( X, Y ), ! member( X, Z ), member( X, intersection( Y, Z ) ) }.
% 0.71/1.11  { ! member( X, union( Y, Z ) ), member( X, Y ), member( X, Z ) }.
% 0.71/1.11  { ! member( X, Y ), member( X, union( Y, Z ) ) }.
% 0.71/1.11  { ! member( X, Z ), member( X, union( Y, Z ) ) }.
% 0.71/1.11  { ! member( X, empty_set ) }.
% 0.71/1.11  { ! member( X, difference( Z, Y ) ), member( X, Z ) }.
% 0.71/1.11  { ! member( X, difference( Z, Y ) ), ! member( X, Y ) }.
% 0.71/1.11  { ! member( X, Z ), member( X, Y ), member( X, difference( Z, Y ) ) }.
% 0.71/1.11  { ! member( X, singleton( Y ) ), X = Y }.
% 0.71/1.11  { ! X = Y, member( X, singleton( Y ) ) }.
% 0.71/1.11  { ! member( X, unordered_pair( Y, Z ) ), X = Y, X = Z }.
% 0.71/1.11  { ! X = Y, member( X, unordered_pair( Y, Z ) ) }.
% 0.71/1.11  { ! X = Z, member( X, unordered_pair( Y, Z ) ) }.
% 0.71/1.11  { ! member( X, sum( Y ) ), member( skol2( Z, Y ), Y ) }.
% 0.71/1.11  { ! member( X, sum( Y ) ), member( X, skol2( X, Y ) ) }.
% 0.71/1.11  { ! member( Z, Y ), ! member( X, Z ), member( X, sum( Y ) ) }.
% 0.71/1.11  { ! member( X, product( Y ) ), ! member( Z, Y ), member( X, Z ) }.
% 0.71/1.11  { member( skol3( Z, Y ), Y ), member( X, product( Y ) ) }.
% 0.71/1.11  { ! member( X, skol3( X, Y ) ), member( X, product( Y ) ) }.
% 0.71/1.11  { ! disjoint( X, Y ), ! member( Z, X ), ! member( Z, Y ) }.
% 0.71/1.11  { member( skol4( Z, Y ), Y ), disjoint( X, Y ) }.
% 0.71/1.11  { member( skol4( X, Y ), X ), disjoint( X, Y ) }.
% 0.71/1.11  { ! partition( X, Y ), alpha4( X, Y ) }.
% 0.71/1.11  { ! partition( X, Y ), alpha8( X, Y ) }.
% 0.71/1.11  { ! alpha4( X, Y ), ! alpha8( X, Y ), partition( X, Y ) }.
% 0.71/1.11  { ! alpha8( X, Y ), alpha13( X, Y ) }.
% 0.71/1.11  { ! alpha8( X, Y ), alpha1( X ) }.
% 0.71/1.11  { ! alpha13( X, Y ), ! alpha1( X ), alpha8( X, Y ) }.
% 0.71/1.11  { ! alpha13( X, Y ), ! member( Z, Y ), alpha17( X, Z ) }.
% 0.71/1.11  { member( skol5( Z, Y ), Y ), alpha13( X, Y ) }.
% 0.71/1.11  { ! alpha17( X, skol5( X, Y ) ), alpha13( X, Y ) }.
% 0.71/1.11  { ! alpha17( X, Y ), member( Y, skol6( Z, Y ) ) }.
% 0.71/1.11  { ! alpha17( X, Y ), member( skol6( X, Y ), X ) }.
% 0.71/1.11  { ! member( Z, X ), ! member( Y, Z ), alpha17( X, Y ) }.
% 0.71/1.11  { ! alpha4( X, Y ), ! member( Z, X ), subset( Z, Y ) }.
% 0.71/1.11  { ! subset( skol7( Z, Y ), Y ), alpha4( X, Y ) }.
% 0.71/1.11  { member( skol7( X, Y ), X ), alpha4( X, Y ) }.
% 0.71/1.11  { ! alpha1( X ), ! alpha9( X, Y, Z ), alpha5( Y, Z ) }.
% 0.71/1.11  { alpha9( X, skol8( X ), skol16( X ) ), alpha1( X ) }.
% 0.71/1.11  { ! alpha5( skol8( X ), skol16( X ) ), alpha1( X ) }.
% 0.71/1.11  { ! alpha9( X, Y, Z ), member( Y, X ) }.
% 0.71/1.11  { ! alpha9( X, Y, Z ), member( Z, X ) }.
% 0.71/1.11  { ! member( Y, X ), ! member( Z, X ), alpha9( X, Y, Z ) }.
% 0.71/1.11  { ! alpha5( X, Y ), ! alpha10( X, Y ), X = Y }.
% 0.71/1.11  { alpha10( X, Y ), alpha5( X, Y ) }.
% 0.71/1.11  { ! X = Y, alpha5( X, Y ) }.
% 0.71/1.11  { ! alpha10( X, Y ), member( skol9( Z, Y ), Y ) }.
% 0.71/1.11  { ! alpha10( X, Y ), member( skol9( X, Y ), X ) }.
% 0.71/1.11  { ! member( Z, X ), ! member( Z, Y ), alpha10( X, Y ) }.
% 0.71/1.11  { ! equivalence( Y, X ), alpha2( X, Y ) }.
% 0.71/1.11  { ! equivalence( Y, X ), alpha6( X, Y ) }.
% 0.71/1.11  { ! alpha2( X, Y ), ! alpha6( X, Y ), equivalence( Y, X ) }.
% 0.71/1.11  { ! alpha6( X, Y ), alpha11( X, Y ) }.
% 0.71/1.11  { ! alpha6( X, Y ), alpha14( X, Y ) }.
% 0.71/1.11  { ! alpha11( X, Y ), ! alpha14( X, Y ), alpha6( X, Y ) }.
% 0.71/1.11  { ! alpha14( X, Y ), ! alpha21( X, Z, T, U ), alpha23( Y, Z, T, U ) }.
% 0.71/1.11  { alpha21( X, skol10( X, Y ), skol17( X, Y ), skol21( X, Y ) ), alpha14( X
% 0.71/1.11    , Y ) }.
% 0.71/1.11  { ! alpha23( Y, skol10( X, Y ), skol17( X, Y ), skol21( X, Y ) ), alpha14( 
% 0.71/1.11    X, Y ) }.
% 0.71/1.11  { ! alpha23( X, Y, Z, T ), ! alpha24( X, Y, Z, T ), apply( X, Y, T ) }.
% 0.71/1.11  { alpha24( X, Y, Z, T ), alpha23( X, Y, Z, T ) }.
% 0.71/1.11  { ! apply( X, Y, T ), alpha23( X, Y, Z, T ) }.
% 0.71/1.11  { ! alpha24( X, Y, Z, T ), apply( X, Y, Z ) }.
% 0.71/1.11  { ! alpha24( X, Y, Z, T ), apply( X, Z, T ) }.
% 0.71/1.11  { ! apply( X, Y, Z ), ! apply( X, Z, T ), alpha24( X, Y, Z, T ) }.
% 0.75/1.27  { ! alpha21( X, Y, Z, T ), member( Y, X ) }.
% 0.75/1.27  { ! alpha21( X, Y, Z, T ), alpha18( X, Z, T ) }.
% 0.75/1.27  { ! member( Y, X ), ! alpha18( X, Z, T ), alpha21( X, Y, Z, T ) }.
% 0.75/1.27  { ! alpha18( X, Y, Z ), member( Y, X ) }.
% 0.75/1.27  { ! alpha18( X, Y, Z ), member( Z, X ) }.
% 0.75/1.27  { ! member( Y, X ), ! member( Z, X ), alpha18( X, Y, Z ) }.
% 0.75/1.27  { ! alpha11( X, Y ), ! alpha15( X, Z, T ), alpha19( Y, Z, T ) }.
% 0.75/1.27  { alpha15( X, skol11( X, Y ), skol18( X, Y ) ), alpha11( X, Y ) }.
% 0.75/1.27  { ! alpha19( Y, skol11( X, Y ), skol18( X, Y ) ), alpha11( X, Y ) }.
% 0.75/1.27  { ! alpha19( X, Y, Z ), ! apply( X, Y, Z ), apply( X, Z, Y ) }.
% 0.75/1.27  { apply( X, Y, Z ), alpha19( X, Y, Z ) }.
% 0.75/1.27  { ! apply( X, Z, Y ), alpha19( X, Y, Z ) }.
% 0.75/1.27  { ! alpha15( X, Y, Z ), member( Y, X ) }.
% 0.75/1.27  { ! alpha15( X, Y, Z ), member( Z, X ) }.
% 0.75/1.27  { ! member( Y, X ), ! member( Z, X ), alpha15( X, Y, Z ) }.
% 0.75/1.27  { ! alpha2( X, Y ), ! member( Z, X ), apply( Y, Z, Z ) }.
% 0.75/1.27  { ! apply( Y, skol12( Z, Y ), skol12( Z, Y ) ), alpha2( X, Y ) }.
% 0.75/1.27  { member( skol12( X, Y ), X ), alpha2( X, Y ) }.
% 0.75/1.27  { ! member( T, equivalence_class( Z, Y, X ) ), member( T, Y ) }.
% 0.75/1.27  { ! member( T, equivalence_class( Z, Y, X ) ), apply( X, Z, T ) }.
% 0.75/1.27  { ! member( T, Y ), ! apply( X, Z, T ), member( T, equivalence_class( Z, Y
% 0.75/1.27    , X ) ) }.
% 0.75/1.27  { ! pre_order( X, Y ), alpha3( X, Y ) }.
% 0.75/1.27  { ! pre_order( X, Y ), alpha7( X, Y ) }.
% 0.75/1.27  { ! alpha3( X, Y ), ! alpha7( X, Y ), pre_order( X, Y ) }.
% 0.75/1.27  { ! alpha7( X, Y ), ! alpha16( Y, Z, T, U ), alpha20( X, Z, T, U ) }.
% 0.75/1.27  { alpha16( Y, skol13( X, Y ), skol19( X, Y ), skol22( X, Y ) ), alpha7( X, 
% 0.75/1.27    Y ) }.
% 0.75/1.27  { ! alpha20( X, skol13( X, Y ), skol19( X, Y ), skol22( X, Y ) ), alpha7( X
% 0.75/1.27    , Y ) }.
% 0.75/1.27  { ! alpha20( X, Y, Z, T ), ! alpha22( X, Y, Z, T ), apply( X, Y, T ) }.
% 0.75/1.27  { alpha22( X, Y, Z, T ), alpha20( X, Y, Z, T ) }.
% 0.75/1.27  { ! apply( X, Y, T ), alpha20( X, Y, Z, T ) }.
% 0.75/1.27  { ! alpha22( X, Y, Z, T ), apply( X, Y, Z ) }.
% 0.75/1.27  { ! alpha22( X, Y, Z, T ), apply( X, Z, T ) }.
% 0.75/1.27  { ! apply( X, Y, Z ), ! apply( X, Z, T ), alpha22( X, Y, Z, T ) }.
% 0.75/1.27  { ! alpha16( X, Y, Z, T ), member( Y, X ) }.
% 0.75/1.27  { ! alpha16( X, Y, Z, T ), alpha12( X, Z, T ) }.
% 0.75/1.27  { ! member( Y, X ), ! alpha12( X, Z, T ), alpha16( X, Y, Z, T ) }.
% 0.75/1.27  { ! alpha12( X, Y, Z ), member( Y, X ) }.
% 0.75/1.27  { ! alpha12( X, Y, Z ), member( Z, X ) }.
% 0.75/1.27  { ! member( Y, X ), ! member( Z, X ), alpha12( X, Y, Z ) }.
% 0.75/1.27  { ! alpha3( X, Y ), ! member( Z, Y ), apply( X, Z, Z ) }.
% 0.75/1.27  { member( skol14( Z, Y ), Y ), alpha3( X, Y ) }.
% 0.75/1.27  { ! apply( X, skol14( X, Y ), skol14( X, Y ) ), alpha3( X, Y ) }.
% 0.75/1.27  { equivalence( skol20, skol15 ) }.
% 0.75/1.27  { ! subset( equivalence_class( skol23, skol15, skol20 ), skol15 ) }.
% 0.75/1.27  
% 0.75/1.27  percentage equality = 0.029630, percentage horn = 0.838983
% 0.75/1.27  This is a problem with some equality
% 0.75/1.27  
% 0.75/1.27  
% 0.75/1.27  
% 0.75/1.27  Options Used:
% 0.75/1.27  
% 0.75/1.27  useres =            1
% 0.75/1.27  useparamod =        1
% 0.75/1.27  useeqrefl =         1
% 0.75/1.27  useeqfact =         1
% 0.75/1.27  usefactor =         1
% 0.75/1.27  usesimpsplitting =  0
% 0.75/1.27  usesimpdemod =      5
% 0.75/1.27  usesimpres =        3
% 0.75/1.27  
% 0.75/1.27  resimpinuse      =  1000
% 0.75/1.27  resimpclauses =     20000
% 0.75/1.27  substype =          eqrewr
% 0.75/1.27  backwardsubs =      1
% 0.75/1.27  selectoldest =      5
% 0.75/1.27  
% 0.75/1.27  litorderings [0] =  split
% 0.75/1.27  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.75/1.27  
% 0.75/1.27  termordering =      kbo
% 0.75/1.27  
% 0.75/1.27  litapriori =        0
% 0.75/1.27  termapriori =       1
% 0.75/1.28  litaposteriori =    0
% 0.75/1.28  termaposteriori =   0
% 0.75/1.28  demodaposteriori =  0
% 0.75/1.28  ordereqreflfact =   0
% 0.75/1.28  
% 0.75/1.28  litselect =         negord
% 0.75/1.28  
% 0.75/1.28  maxweight =         15
% 0.75/1.28  maxdepth =          30000
% 0.75/1.28  maxlength =         115
% 0.75/1.28  maxnrvars =         195
% 0.75/1.28  excuselevel =       1
% 0.75/1.28  increasemaxweight = 1
% 0.75/1.28  
% 0.75/1.28  maxselected =       10000000
% 0.75/1.28  maxnrclauses =      10000000
% 0.75/1.28  
% 0.75/1.28  showgenerated =    0
% 0.75/1.28  showkept =         0
% 0.75/1.28  showselected =     0
% 0.75/1.28  showdeleted =      0
% 0.75/1.28  showresimp =       1
% 0.75/1.28  showstatus =       2000
% 0.75/1.28  
% 0.75/1.28  prologoutput =     0
% 0.75/1.28  nrgoals =          5000000
% 0.75/1.28  totalproof =       1
% 0.75/1.28  
% 0.75/1.28  Symbols occurring in the translation:
% 0.75/1.28  
% 0.75/1.28  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.75/1.28  .  [1, 2]      (w:1, o:29, a:1, s:1, b:0), 
% 0.75/1.28  !  [4, 1]      (w:0, o:17, a:1, s:1, b:0), 
% 0.75/1.28  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.75/1.28  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.75/1.28  subset  [37, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.75/1.28  member  [39, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.75/1.28  equal_set  [40, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 0.75/1.28  power_set  [41, 1]      (w:1, o:22, a:1, s:1, b:0), 
% 0.75/1.28  intersection  [42, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 2.24/2.60  union  [43, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 2.24/2.60  empty_set  [44, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 2.24/2.60  difference  [46, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 2.24/2.60  singleton  [47, 1]      (w:1, o:23, a:1, s:1, b:0), 
% 2.24/2.60  unordered_pair  [48, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 2.24/2.60  sum  [49, 1]      (w:1, o:24, a:1, s:1, b:0), 
% 2.24/2.60  product  [51, 1]      (w:1, o:25, a:1, s:1, b:0), 
% 2.24/2.60  disjoint  [52, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 2.24/2.60  partition  [53, 2]      (w:1, o:61, a:1, s:1, b:0), 
% 2.24/2.60  equivalence  [56, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 2.24/2.60  apply  [57, 3]      (w:1, o:94, a:1, s:1, b:0), 
% 2.24/2.60  equivalence_class  [58, 3]      (w:1, o:95, a:1, s:1, b:0), 
% 2.24/2.60  pre_order  [59, 2]      (w:1, o:63, a:1, s:1, b:0), 
% 2.24/2.60  alpha1  [60, 1]      (w:1, o:26, a:1, s:1, b:1), 
% 2.24/2.60  alpha2  [61, 2]      (w:1, o:69, a:1, s:1, b:1), 
% 2.24/2.60  alpha3  [62, 2]      (w:1, o:70, a:1, s:1, b:1), 
% 2.24/2.60  alpha4  [63, 2]      (w:1, o:71, a:1, s:1, b:1), 
% 2.24/2.60  alpha5  [64, 2]      (w:1, o:72, a:1, s:1, b:1), 
% 2.24/2.60  alpha6  [65, 2]      (w:1, o:73, a:1, s:1, b:1), 
% 2.24/2.60  alpha7  [66, 2]      (w:1, o:74, a:1, s:1, b:1), 
% 2.24/2.60  alpha8  [67, 2]      (w:1, o:75, a:1, s:1, b:1), 
% 2.24/2.60  alpha9  [68, 3]      (w:1, o:96, a:1, s:1, b:1), 
% 2.24/2.60  alpha10  [69, 2]      (w:1, o:64, a:1, s:1, b:1), 
% 2.24/2.60  alpha11  [70, 2]      (w:1, o:65, a:1, s:1, b:1), 
% 2.24/2.60  alpha12  [71, 3]      (w:1, o:97, a:1, s:1, b:1), 
% 2.24/2.60  alpha13  [72, 2]      (w:1, o:66, a:1, s:1, b:1), 
% 2.24/2.60  alpha14  [73, 2]      (w:1, o:67, a:1, s:1, b:1), 
% 2.24/2.60  alpha15  [74, 3]      (w:1, o:98, a:1, s:1, b:1), 
% 2.24/2.60  alpha16  [75, 4]      (w:1, o:101, a:1, s:1, b:1), 
% 2.24/2.60  alpha17  [76, 2]      (w:1, o:68, a:1, s:1, b:1), 
% 2.24/2.60  alpha18  [77, 3]      (w:1, o:99, a:1, s:1, b:1), 
% 2.24/2.60  alpha19  [78, 3]      (w:1, o:100, a:1, s:1, b:1), 
% 2.24/2.60  alpha20  [79, 4]      (w:1, o:102, a:1, s:1, b:1), 
% 2.24/2.60  alpha21  [80, 4]      (w:1, o:103, a:1, s:1, b:1), 
% 2.24/2.60  alpha22  [81, 4]      (w:1, o:104, a:1, s:1, b:1), 
% 2.24/2.60  alpha23  [82, 4]      (w:1, o:105, a:1, s:1, b:1), 
% 2.24/2.60  alpha24  [83, 4]      (w:1, o:106, a:1, s:1, b:1), 
% 2.24/2.60  skol1  [84, 2]      (w:1, o:76, a:1, s:1, b:1), 
% 2.24/2.60  skol2  [85, 2]      (w:1, o:85, a:1, s:1, b:1), 
% 2.24/2.60  skol3  [86, 2]      (w:1, o:88, a:1, s:1, b:1), 
% 2.24/2.60  skol4  [87, 2]      (w:1, o:89, a:1, s:1, b:1), 
% 2.24/2.60  skol5  [88, 2]      (w:1, o:90, a:1, s:1, b:1), 
% 2.24/2.60  skol6  [89, 2]      (w:1, o:91, a:1, s:1, b:1), 
% 2.24/2.60  skol7  [90, 2]      (w:1, o:92, a:1, s:1, b:1), 
% 2.24/2.60  skol8  [91, 1]      (w:1, o:27, a:1, s:1, b:1), 
% 2.24/2.60  skol9  [92, 2]      (w:1, o:93, a:1, s:1, b:1), 
% 2.24/2.60  skol10  [93, 2]      (w:1, o:77, a:1, s:1, b:1), 
% 2.24/2.60  skol11  [94, 2]      (w:1, o:78, a:1, s:1, b:1), 
% 2.24/2.60  skol12  [95, 2]      (w:1, o:79, a:1, s:1, b:1), 
% 2.24/2.60  skol13  [96, 2]      (w:1, o:80, a:1, s:1, b:1), 
% 2.24/2.60  skol14  [97, 2]      (w:1, o:81, a:1, s:1, b:1), 
% 2.24/2.60  skol15  [98, 0]      (w:1, o:14, a:1, s:1, b:1), 
% 2.24/2.60  skol16  [99, 1]      (w:1, o:28, a:1, s:1, b:1), 
% 2.24/2.60  skol17  [100, 2]      (w:1, o:82, a:1, s:1, b:1), 
% 2.24/2.60  skol18  [101, 2]      (w:1, o:83, a:1, s:1, b:1), 
% 2.24/2.60  skol19  [102, 2]      (w:1, o:84, a:1, s:1, b:1), 
% 2.24/2.60  skol20  [103, 0]      (w:1, o:15, a:1, s:1, b:1), 
% 2.24/2.60  skol21  [104, 2]      (w:1, o:86, a:1, s:1, b:1), 
% 2.24/2.60  skol22  [105, 2]      (w:1, o:87, a:1, s:1, b:1), 
% 2.24/2.60  skol23  [106, 0]      (w:1, o:16, a:1, s:1, b:1).
% 2.24/2.60  
% 2.24/2.60  
% 2.24/2.60  Starting Search:
% 2.24/2.60  
% 2.24/2.60  *** allocated 15000 integers for clauses
% 2.24/2.60  *** allocated 22500 integers for clauses
% 2.24/2.60  *** allocated 33750 integers for clauses
% 2.24/2.60  *** allocated 50625 integers for clauses
% 2.24/2.60  *** allocated 15000 integers for termspace/termends
% 2.24/2.60  *** allocated 75937 integers for clauses
% 2.24/2.60  *** allocated 22500 integers for termspace/termends
% 2.24/2.60  Resimplifying inuse:
% 2.24/2.60  Done
% 2.24/2.60  
% 2.24/2.60  *** allocated 113905 integers for clauses
% 2.24/2.60  *** allocated 33750 integers for termspace/termends
% 2.24/2.60  
% 2.24/2.60  Intermediate Status:
% 2.24/2.60  Generated:    2878
% 2.24/2.60  Kept:         2012
% 2.24/2.60  Inuse:        125
% 2.24/2.60  Deleted:      4
% 2.24/2.60  Deletedinuse: 0
% 2.24/2.60  
% 2.24/2.60  Resimplifying inuse:
% 2.24/2.60  Done
% 2.24/2.60  
% 2.24/2.60  *** allocated 170857 integers for clauses
% 2.24/2.60  *** allocated 50625 integers for termspace/termends
% 2.24/2.60  Resimplifying inuse:
% 2.24/2.60  Done
% 2.24/2.60  
% 2.24/2.60  *** allocated 256285 integers for clauses
% 2.24/2.60  *** allocated 75937 integers for termspace/termends
% 2.24/2.60  
% 2.24/2.60  Intermediate Status:
% 2.24/2.60  Generated:    5871
% 2.24/2.60  Kept:         4366
% 2.24/2.60  Inuse:        242
% 2.24/2.60  Deleted:      4
% 2.24/2.60  Deletedinuse: 0
% 2.24/2.60  
% 2.24/2.60  Resimplifying inuse:
% 2.24/2.60  Done
% 2.24/2.60  
% 2.24/2.60  Resimplifying inuse:
% 2.24/2.60  Done
% 2.24/2.60  
% 2.24/2.60  *** allocated 384427 integers for clauses
% 2.24/2.60  *** allocated 113905 integers for termspace/termends
% 2.24/2.61  
% 2.24/2.61  Intermediate Status:
% 2.24/2.61  Generated:    11128
% 2.24/2.61  Kept:         6368
% 2.24/2.61  Inuse:        447
% 2.24/2.61  Deleted:      6
% 2.24/2.61  Deletedinuse: 0
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  *** allocated 576640 integers for clauses
% 2.24/2.61  *** allocated 170857 integers for termspace/termends
% 2.24/2.61  
% 2.24/2.61  Intermediate Status:
% 2.24/2.61  Generated:    15842
% 2.24/2.61  Kept:         8953
% 2.24/2.61  Inuse:        530
% 2.24/2.61  Deleted:      8
% 2.24/2.61  Deletedinuse: 2
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  
% 2.24/2.61  Intermediate Status:
% 2.24/2.61  Generated:    21738
% 2.24/2.61  Kept:         11373
% 2.24/2.61  Inuse:        610
% 2.24/2.61  Deleted:      9
% 2.24/2.61  Deletedinuse: 2
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  *** allocated 256285 integers for termspace/termends
% 2.24/2.61  *** allocated 864960 integers for clauses
% 2.24/2.61  
% 2.24/2.61  Intermediate Status:
% 2.24/2.61  Generated:    25675
% 2.24/2.61  Kept:         13382
% 2.24/2.61  Inuse:        652
% 2.24/2.61  Deleted:      13
% 2.24/2.61  Deletedinuse: 6
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  
% 2.24/2.61  Intermediate Status:
% 2.24/2.61  Generated:    30987
% 2.24/2.61  Kept:         15396
% 2.24/2.61  Inuse:        734
% 2.24/2.61  Deleted:      13
% 2.24/2.61  Deletedinuse: 6
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  
% 2.24/2.61  Intermediate Status:
% 2.24/2.61  Generated:    35143
% 2.24/2.61  Kept:         17417
% 2.24/2.61  Inuse:        805
% 2.24/2.61  Deleted:      24
% 2.24/2.61  Deletedinuse: 6
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  *** allocated 384427 integers for termspace/termends
% 2.24/2.61  
% 2.24/2.61  Intermediate Status:
% 2.24/2.61  Generated:    38818
% 2.24/2.61  Kept:         19455
% 2.24/2.61  Inuse:        862
% 2.24/2.61  Deleted:      25
% 2.24/2.61  Deletedinuse: 6
% 2.24/2.61  
% 2.24/2.61  Resimplifying inuse:
% 2.24/2.61  Done
% 2.24/2.61  
% 2.24/2.61  Resimplifying clauses:
% 2.24/2.61  
% 2.24/2.61  Bliksems!, er is een bewijs:
% 2.24/2.61  % SZS status Theorem
% 2.24/2.61  % SZS output start Refutation
% 2.24/2.61  
% 2.24/2.61  (1) {G0,W8,D3,L2,V3,M2} I { ! member( skol1( Z, Y ), Y ), subset( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset( X, Y ) }.
% 2.24/2.61  (92) {G0,W9,D3,L2,V4,M2} I { ! member( T, equivalence_class( Z, Y, X ) ), 
% 2.24/2.61    member( T, Y ) }.
% 2.24/2.61  (117) {G0,W6,D3,L1,V0,M1} I { ! subset( equivalence_class( skol23, skol15, 
% 2.24/2.61    skol20 ), skol15 ) }.
% 2.24/2.61  (1533) {G1,W11,D4,L1,V0,M1} R(117,2) { member( skol1( equivalence_class( 
% 2.24/2.61    skol23, skol15, skol20 ), skol15 ), equivalence_class( skol23, skol15, 
% 2.24/2.61    skol20 ) ) }.
% 2.24/2.61  (1534) {G1,W5,D3,L1,V1,M1} R(117,1) { ! member( skol1( X, skol15 ), skol15
% 2.24/2.61     ) }.
% 2.24/2.61  (5913) {G2,W8,D3,L1,V3,M1} R(92,1534) { ! member( skol1( X, skol15 ), 
% 2.24/2.61    equivalence_class( Y, skol15, Z ) ) }.
% 2.24/2.61  (20058) {G3,W0,D0,L0,V0,M0} S(1533);r(5913) {  }.
% 2.24/2.61  
% 2.24/2.61  
% 2.24/2.61  % SZS output end Refutation
% 2.24/2.61  found a proof!
% 2.24/2.61  
% 2.24/2.61  
% 2.24/2.61  Unprocessed initial clauses:
% 2.24/2.61  
% 2.24/2.61  (20060) {G0,W9,D2,L3,V3,M3}  { ! subset( X, Y ), ! member( Z, X ), member( 
% 2.24/2.61    Z, Y ) }.
% 2.24/2.61  (20061) {G0,W8,D3,L2,V3,M2}  { ! member( skol1( Z, Y ), Y ), subset( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (20062) {G0,W8,D3,L2,V2,M2}  { member( skol1( X, Y ), X ), subset( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (20063) {G0,W6,D2,L2,V2,M2}  { ! equal_set( X, Y ), subset( X, Y ) }.
% 2.24/2.61  (20064) {G0,W6,D2,L2,V2,M2}  { ! equal_set( X, Y ), subset( Y, X ) }.
% 2.24/2.61  (20065) {G0,W9,D2,L3,V2,M3}  { ! subset( X, Y ), ! subset( Y, X ), 
% 2.24/2.61    equal_set( X, Y ) }.
% 2.24/2.61  (20066) {G0,W7,D3,L2,V2,M2}  { ! member( X, power_set( Y ) ), subset( X, Y
% 2.24/2.61     ) }.
% 2.24/2.61  (20067) {G0,W7,D3,L2,V2,M2}  { ! subset( X, Y ), member( X, power_set( Y )
% 2.24/2.61     ) }.
% 2.24/2.61  (20068) {G0,W8,D3,L2,V3,M2}  { ! member( X, intersection( Y, Z ) ), member
% 2.24/2.61    ( X, Y ) }.
% 2.24/2.61  (20069) {G0,W8,D3,L2,V3,M2}  { ! member( X, intersection( Y, Z ) ), member
% 2.24/2.61    ( X, Z ) }.
% 2.24/2.61  (20070) {G0,W11,D3,L3,V3,M3}  { ! member( X, Y ), ! member( X, Z ), member
% 2.24/2.61    ( X, intersection( Y, Z ) ) }.
% 2.24/2.61  (20071) {G0,W11,D3,L3,V3,M3}  { ! member( X, union( Y, Z ) ), member( X, Y
% 2.24/2.61     ), member( X, Z ) }.
% 2.24/2.61  (20072) {G0,W8,D3,L2,V3,M2}  { ! member( X, Y ), member( X, union( Y, Z ) )
% 2.24/2.61     }.
% 2.24/2.61  (20073) {G0,W8,D3,L2,V3,M2}  { ! member( X, Z ), member( X, union( Y, Z ) )
% 2.24/2.61     }.
% 2.24/2.61  (20074) {G0,W3,D2,L1,V1,M1}  { ! member( X, empty_set ) }.
% 2.24/2.61  (20075) {G0,W8,D3,L2,V3,M2}  { ! member( X, difference( Z, Y ) ), member( X
% 2.24/2.61    , Z ) }.
% 2.24/2.61  (20076) {G0,W8,D3,L2,V3,M2}  { ! member( X, difference( Z, Y ) ), ! member
% 2.24/2.61    ( X, Y ) }.
% 2.24/2.61  (20077) {G0,W11,D3,L3,V3,M3}  { ! member( X, Z ), member( X, Y ), member( X
% 2.24/2.61    , difference( Z, Y ) ) }.
% 2.24/2.61  (20078) {G0,W7,D3,L2,V2,M2}  { ! member( X, singleton( Y ) ), X = Y }.
% 2.24/2.61  (20079) {G0,W7,D3,L2,V2,M2}  { ! X = Y, member( X, singleton( Y ) ) }.
% 2.24/2.61  (20080) {G0,W11,D3,L3,V3,M3}  { ! member( X, unordered_pair( Y, Z ) ), X = 
% 2.24/2.61    Y, X = Z }.
% 2.24/2.61  (20081) {G0,W8,D3,L2,V3,M2}  { ! X = Y, member( X, unordered_pair( Y, Z ) )
% 2.24/2.61     }.
% 2.24/2.61  (20082) {G0,W8,D3,L2,V3,M2}  { ! X = Z, member( X, unordered_pair( Y, Z ) )
% 2.24/2.61     }.
% 2.24/2.61  (20083) {G0,W9,D3,L2,V3,M2}  { ! member( X, sum( Y ) ), member( skol2( Z, Y
% 2.24/2.61     ), Y ) }.
% 2.24/2.61  (20084) {G0,W9,D3,L2,V2,M2}  { ! member( X, sum( Y ) ), member( X, skol2( X
% 2.24/2.61    , Y ) ) }.
% 2.24/2.61  (20085) {G0,W10,D3,L3,V3,M3}  { ! member( Z, Y ), ! member( X, Z ), member
% 2.24/2.61    ( X, sum( Y ) ) }.
% 2.24/2.61  (20086) {G0,W10,D3,L3,V3,M3}  { ! member( X, product( Y ) ), ! member( Z, Y
% 2.24/2.61     ), member( X, Z ) }.
% 2.24/2.61  (20087) {G0,W9,D3,L2,V3,M2}  { member( skol3( Z, Y ), Y ), member( X, 
% 2.24/2.61    product( Y ) ) }.
% 2.24/2.61  (20088) {G0,W9,D3,L2,V2,M2}  { ! member( X, skol3( X, Y ) ), member( X, 
% 2.24/2.61    product( Y ) ) }.
% 2.24/2.61  (20089) {G0,W9,D2,L3,V3,M3}  { ! disjoint( X, Y ), ! member( Z, X ), ! 
% 2.24/2.61    member( Z, Y ) }.
% 2.24/2.61  (20090) {G0,W8,D3,L2,V3,M2}  { member( skol4( Z, Y ), Y ), disjoint( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (20091) {G0,W8,D3,L2,V2,M2}  { member( skol4( X, Y ), X ), disjoint( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (20092) {G0,W6,D2,L2,V2,M2}  { ! partition( X, Y ), alpha4( X, Y ) }.
% 2.24/2.61  (20093) {G0,W6,D2,L2,V2,M2}  { ! partition( X, Y ), alpha8( X, Y ) }.
% 2.24/2.61  (20094) {G0,W9,D2,L3,V2,M3}  { ! alpha4( X, Y ), ! alpha8( X, Y ), 
% 2.24/2.61    partition( X, Y ) }.
% 2.24/2.61  (20095) {G0,W6,D2,L2,V2,M2}  { ! alpha8( X, Y ), alpha13( X, Y ) }.
% 2.24/2.61  (20096) {G0,W5,D2,L2,V2,M2}  { ! alpha8( X, Y ), alpha1( X ) }.
% 2.24/2.61  (20097) {G0,W8,D2,L3,V2,M3}  { ! alpha13( X, Y ), ! alpha1( X ), alpha8( X
% 2.24/2.61    , Y ) }.
% 2.24/2.61  (20098) {G0,W9,D2,L3,V3,M3}  { ! alpha13( X, Y ), ! member( Z, Y ), alpha17
% 2.24/2.61    ( X, Z ) }.
% 2.24/2.61  (20099) {G0,W8,D3,L2,V3,M2}  { member( skol5( Z, Y ), Y ), alpha13( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (20100) {G0,W8,D3,L2,V2,M2}  { ! alpha17( X, skol5( X, Y ) ), alpha13( X, Y
% 2.24/2.61     ) }.
% 2.24/2.61  (20101) {G0,W8,D3,L2,V3,M2}  { ! alpha17( X, Y ), member( Y, skol6( Z, Y )
% 2.24/2.61     ) }.
% 2.24/2.61  (20102) {G0,W8,D3,L2,V2,M2}  { ! alpha17( X, Y ), member( skol6( X, Y ), X
% 2.24/2.61     ) }.
% 2.24/2.61  (20103) {G0,W9,D2,L3,V3,M3}  { ! member( Z, X ), ! member( Y, Z ), alpha17
% 2.24/2.61    ( X, Y ) }.
% 2.24/2.61  (20104) {G0,W9,D2,L3,V3,M3}  { ! alpha4( X, Y ), ! member( Z, X ), subset( 
% 2.24/2.61    Z, Y ) }.
% 2.24/2.61  (20105) {G0,W8,D3,L2,V3,M2}  { ! subset( skol7( Z, Y ), Y ), alpha4( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (20106) {G0,W8,D3,L2,V2,M2}  { member( skol7( X, Y ), X ), alpha4( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (20107) {G0,W9,D2,L3,V3,M3}  { ! alpha1( X ), ! alpha9( X, Y, Z ), alpha5( 
% 2.24/2.61    Y, Z ) }.
% 2.24/2.61  (20108) {G0,W8,D3,L2,V1,M2}  { alpha9( X, skol8( X ), skol16( X ) ), alpha1
% 2.24/2.61    ( X ) }.
% 2.24/2.61  (20109) {G0,W7,D3,L2,V1,M2}  { ! alpha5( skol8( X ), skol16( X ) ), alpha1
% 2.24/2.61    ( X ) }.
% 2.24/2.61  (20110) {G0,W7,D2,L2,V3,M2}  { ! alpha9( X, Y, Z ), member( Y, X ) }.
% 2.24/2.61  (20111) {G0,W7,D2,L2,V3,M2}  { ! alpha9( X, Y, Z ), member( Z, X ) }.
% 2.24/2.61  (20112) {G0,W10,D2,L3,V3,M3}  { ! member( Y, X ), ! member( Z, X ), alpha9
% 2.24/2.61    ( X, Y, Z ) }.
% 2.24/2.61  (20113) {G0,W9,D2,L3,V2,M3}  { ! alpha5( X, Y ), ! alpha10( X, Y ), X = Y
% 2.24/2.61     }.
% 2.24/2.61  (20114) {G0,W6,D2,L2,V2,M2}  { alpha10( X, Y ), alpha5( X, Y ) }.
% 2.24/2.61  (20115) {G0,W6,D2,L2,V2,M2}  { ! X = Y, alpha5( X, Y ) }.
% 2.24/2.61  (20116) {G0,W8,D3,L2,V3,M2}  { ! alpha10( X, Y ), member( skol9( Z, Y ), Y
% 2.24/2.61     ) }.
% 2.24/2.61  (20117) {G0,W8,D3,L2,V2,M2}  { ! alpha10( X, Y ), member( skol9( X, Y ), X
% 2.24/2.61     ) }.
% 2.24/2.61  (20118) {G0,W9,D2,L3,V3,M3}  { ! member( Z, X ), ! member( Z, Y ), alpha10
% 2.24/2.61    ( X, Y ) }.
% 2.24/2.61  (20119) {G0,W6,D2,L2,V2,M2}  { ! equivalence( Y, X ), alpha2( X, Y ) }.
% 2.24/2.61  (20120) {G0,W6,D2,L2,V2,M2}  { ! equivalence( Y, X ), alpha6( X, Y ) }.
% 2.24/2.61  (20121) {G0,W9,D2,L3,V2,M3}  { ! alpha2( X, Y ), ! alpha6( X, Y ), 
% 2.24/2.61    equivalence( Y, X ) }.
% 2.24/2.61  (20122) {G0,W6,D2,L2,V2,M2}  { ! alpha6( X, Y ), alpha11( X, Y ) }.
% 2.24/2.61  (20123) {G0,W6,D2,L2,V2,M2}  { ! alpha6( X, Y ), alpha14( X, Y ) }.
% 2.24/2.61  (20124) {G0,W9,D2,L3,V2,M3}  { ! alpha11( X, Y ), ! alpha14( X, Y ), alpha6
% 2.24/2.61    ( X, Y ) }.
% 2.24/2.61  (20125) {G0,W13,D2,L3,V5,M3}  { ! alpha14( X, Y ), ! alpha21( X, Z, T, U )
% 2.24/2.61    , alpha23( Y, Z, T, U ) }.
% 2.24/2.61  (20126) {G0,W14,D3,L2,V2,M2}  { alpha21( X, skol10( X, Y ), skol17( X, Y )
% 2.24/2.61    , skol21( X, Y ) ), alpha14( X, Y ) }.
% 2.24/2.61  (20127) {G0,W14,D3,L2,V2,M2}  { ! alpha23( Y, skol10( X, Y ), skol17( X, Y
% 2.24/2.61     ), skol21( X, Y ) ), alpha14( X, Y ) }.
% 2.24/2.61  (20128) {G0,W14,D2,L3,V4,M3}  { ! alpha23( X, Y, Z, T ), ! alpha24( X, Y, Z
% 2.24/2.61    , T ), apply( X, Y, T ) }.
% 2.24/2.61  (20129) {G0,W10,D2,L2,V4,M2}  { alpha24( X, Y, Z, T ), alpha23( X, Y, Z, T
% 2.24/2.61     ) }.
% 2.24/2.61  (20130) {G0,W9,D2,L2,V4,M2}  { ! apply( X, Y, T ), alpha23( X, Y, Z, T )
% 2.24/2.61     }.
% 2.24/2.61  (20131) {G0,W9,D2,L2,V4,M2}  { ! alpha24( X, Y, Z, T ), apply( X, Y, Z )
% 2.24/2.61     }.
% 2.24/2.61  (20132) {G0,W9,D2,L2,V4,M2}  { ! alpha24( X, Y, Z, T ), apply( X, Z, T )
% 2.24/2.61     }.
% 2.24/2.61  (20133) {G0,W13,D2,L3,V4,M3}  { ! apply( X, Y, Z ), ! apply( X, Z, T ), 
% 2.24/2.61    alpha24( X, Y, Z, T ) }.
% 2.24/2.61  (20134) {G0,W8,D2,L2,V4,M2}  { ! alpha21( X, Y, Z, T ), member( Y, X ) }.
% 2.24/2.61  (20135) {G0,W9,D2,L2,V4,M2}  { ! alpha21( X, Y, Z, T ), alpha18( X, Z, T )
% 2.24/2.61     }.
% 2.24/2.61  (20136) {G0,W12,D2,L3,V4,M3}  { ! member( Y, X ), ! alpha18( X, Z, T ), 
% 2.24/2.61    alpha21( X, Y, Z, T ) }.
% 2.24/2.61  (20137) {G0,W7,D2,L2,V3,M2}  { ! alpha18( X, Y, Z ), member( Y, X ) }.
% 2.24/2.61  (20138) {G0,W7,D2,L2,V3,M2}  { ! alpha18( X, Y, Z ), member( Z, X ) }.
% 2.24/2.61  (20139) {G0,W10,D2,L3,V3,M3}  { ! member( Y, X ), ! member( Z, X ), alpha18
% 2.24/2.61    ( X, Y, Z ) }.
% 2.24/2.61  (20140) {G0,W11,D2,L3,V4,M3}  { ! alpha11( X, Y ), ! alpha15( X, Z, T ), 
% 2.24/2.61    alpha19( Y, Z, T ) }.
% 2.24/2.61  (20141) {G0,W11,D3,L2,V2,M2}  { alpha15( X, skol11( X, Y ), skol18( X, Y )
% 2.24/2.61     ), alpha11( X, Y ) }.
% 2.24/2.61  (20142) {G0,W11,D3,L2,V2,M2}  { ! alpha19( Y, skol11( X, Y ), skol18( X, Y
% 2.24/2.61     ) ), alpha11( X, Y ) }.
% 2.24/2.61  (20143) {G0,W12,D2,L3,V3,M3}  { ! alpha19( X, Y, Z ), ! apply( X, Y, Z ), 
% 2.24/2.61    apply( X, Z, Y ) }.
% 2.24/2.61  (20144) {G0,W8,D2,L2,V3,M2}  { apply( X, Y, Z ), alpha19( X, Y, Z ) }.
% 2.24/2.61  (20145) {G0,W8,D2,L2,V3,M2}  { ! apply( X, Z, Y ), alpha19( X, Y, Z ) }.
% 2.24/2.61  (20146) {G0,W7,D2,L2,V3,M2}  { ! alpha15( X, Y, Z ), member( Y, X ) }.
% 2.24/2.61  (20147) {G0,W7,D2,L2,V3,M2}  { ! alpha15( X, Y, Z ), member( Z, X ) }.
% 2.24/2.61  (20148) {G0,W10,D2,L3,V3,M3}  { ! member( Y, X ), ! member( Z, X ), alpha15
% 2.24/2.61    ( X, Y, Z ) }.
% 2.24/2.61  (20149) {G0,W10,D2,L3,V3,M3}  { ! alpha2( X, Y ), ! member( Z, X ), apply( 
% 2.24/2.61    Y, Z, Z ) }.
% 2.24/2.61  (20150) {G0,W11,D3,L2,V3,M2}  { ! apply( Y, skol12( Z, Y ), skol12( Z, Y )
% 2.24/2.61     ), alpha2( X, Y ) }.
% 2.24/2.61  (20151) {G0,W8,D3,L2,V2,M2}  { member( skol12( X, Y ), X ), alpha2( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (20152) {G0,W9,D3,L2,V4,M2}  { ! member( T, equivalence_class( Z, Y, X ) )
% 2.24/2.61    , member( T, Y ) }.
% 2.24/2.61  (20153) {G0,W10,D3,L2,V4,M2}  { ! member( T, equivalence_class( Z, Y, X ) )
% 2.24/2.61    , apply( X, Z, T ) }.
% 2.24/2.61  (20154) {G0,W13,D3,L3,V4,M3}  { ! member( T, Y ), ! apply( X, Z, T ), 
% 2.24/2.61    member( T, equivalence_class( Z, Y, X ) ) }.
% 2.24/2.61  (20155) {G0,W6,D2,L2,V2,M2}  { ! pre_order( X, Y ), alpha3( X, Y ) }.
% 2.24/2.61  (20156) {G0,W6,D2,L2,V2,M2}  { ! pre_order( X, Y ), alpha7( X, Y ) }.
% 2.24/2.61  (20157) {G0,W9,D2,L3,V2,M3}  { ! alpha3( X, Y ), ! alpha7( X, Y ), 
% 2.24/2.61    pre_order( X, Y ) }.
% 2.24/2.61  (20158) {G0,W13,D2,L3,V5,M3}  { ! alpha7( X, Y ), ! alpha16( Y, Z, T, U ), 
% 2.24/2.61    alpha20( X, Z, T, U ) }.
% 2.24/2.61  (20159) {G0,W14,D3,L2,V2,M2}  { alpha16( Y, skol13( X, Y ), skol19( X, Y )
% 2.24/2.61    , skol22( X, Y ) ), alpha7( X, Y ) }.
% 2.24/2.61  (20160) {G0,W14,D3,L2,V2,M2}  { ! alpha20( X, skol13( X, Y ), skol19( X, Y
% 2.24/2.61     ), skol22( X, Y ) ), alpha7( X, Y ) }.
% 2.24/2.61  (20161) {G0,W14,D2,L3,V4,M3}  { ! alpha20( X, Y, Z, T ), ! alpha22( X, Y, Z
% 2.24/2.61    , T ), apply( X, Y, T ) }.
% 2.24/2.61  (20162) {G0,W10,D2,L2,V4,M2}  { alpha22( X, Y, Z, T ), alpha20( X, Y, Z, T
% 2.24/2.61     ) }.
% 2.24/2.61  (20163) {G0,W9,D2,L2,V4,M2}  { ! apply( X, Y, T ), alpha20( X, Y, Z, T )
% 2.24/2.61     }.
% 2.24/2.61  (20164) {G0,W9,D2,L2,V4,M2}  { ! alpha22( X, Y, Z, T ), apply( X, Y, Z )
% 2.24/2.61     }.
% 2.24/2.61  (20165) {G0,W9,D2,L2,V4,M2}  { ! alpha22( X, Y, Z, T ), apply( X, Z, T )
% 2.24/2.61     }.
% 2.24/2.61  (20166) {G0,W13,D2,L3,V4,M3}  { ! apply( X, Y, Z ), ! apply( X, Z, T ), 
% 2.24/2.61    alpha22( X, Y, Z, T ) }.
% 2.24/2.61  (20167) {G0,W8,D2,L2,V4,M2}  { ! alpha16( X, Y, Z, T ), member( Y, X ) }.
% 2.24/2.61  (20168) {G0,W9,D2,L2,V4,M2}  { ! alpha16( X, Y, Z, T ), alpha12( X, Z, T )
% 2.24/2.61     }.
% 2.24/2.61  (20169) {G0,W12,D2,L3,V4,M3}  { ! member( Y, X ), ! alpha12( X, Z, T ), 
% 2.24/2.61    alpha16( X, Y, Z, T ) }.
% 2.24/2.61  (20170) {G0,W7,D2,L2,V3,M2}  { ! alpha12( X, Y, Z ), member( Y, X ) }.
% 2.24/2.61  (20171) {G0,W7,D2,L2,V3,M2}  { ! alpha12( X, Y, Z ), member( Z, X ) }.
% 2.24/2.61  (20172) {G0,W10,D2,L3,V3,M3}  { ! member( Y, X ), ! member( Z, X ), alpha12
% 2.24/2.61    ( X, Y, Z ) }.
% 2.24/2.61  (20173) {G0,W10,D2,L3,V3,M3}  { ! alpha3( X, Y ), ! member( Z, Y ), apply( 
% 2.24/2.61    X, Z, Z ) }.
% 2.24/2.61  (20174) {G0,W8,D3,L2,V3,M2}  { member( skol14( Z, Y ), Y ), alpha3( X, Y )
% 2.24/2.61     }.
% 2.24/2.61  (20175) {G0,W11,D3,L2,V2,M2}  { ! apply( X, skol14( X, Y ), skol14( X, Y )
% 2.24/2.61     ), alpha3( X, Y ) }.
% 2.24/2.61  (20176) {G0,W3,D2,L1,V0,M1}  { equivalence( skol20, skol15 ) }.
% 2.24/2.61  (20177) {G0,W6,D3,L1,V0,M1}  { ! subset( equivalence_class( skol23, skol15
% 2.24/2.61    , skol20 ), skol15 ) }.
% 2.24/2.61  
% 2.24/2.61  
% 2.24/2.61  Total Proof:
% 2.24/2.61  
% 2.24/2.61  subsumption: (1) {G0,W8,D3,L2,V3,M2} I { ! member( skol1( Z, Y ), Y ), 
% 2.24/2.61    subset( X, Y ) }.
% 2.24/2.61  parent0: (20061) {G0,W8,D3,L2,V3,M2}  { ! member( skol1( Z, Y ), Y ), 
% 2.24/2.61    subset( X, Y ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61     X := X
% 2.24/2.61     Y := Y
% 2.24/2.61     Z := Z
% 2.24/2.61  end
% 2.24/2.61  permutation0:
% 2.24/2.61     0 ==> 0
% 2.24/2.61     1 ==> 1
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  subsumption: (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset
% 2.24/2.61    ( X, Y ) }.
% 2.24/2.61  parent0: (20062) {G0,W8,D3,L2,V2,M2}  { member( skol1( X, Y ), X ), subset
% 2.24/2.61    ( X, Y ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61     X := X
% 2.24/2.61     Y := Y
% 2.24/2.61  end
% 2.24/2.61  permutation0:
% 2.24/2.61     0 ==> 0
% 2.24/2.61     1 ==> 1
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  subsumption: (92) {G0,W9,D3,L2,V4,M2} I { ! member( T, equivalence_class( Z
% 2.24/2.61    , Y, X ) ), member( T, Y ) }.
% 2.24/2.61  parent0: (20152) {G0,W9,D3,L2,V4,M2}  { ! member( T, equivalence_class( Z, 
% 2.24/2.61    Y, X ) ), member( T, Y ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61     X := X
% 2.24/2.61     Y := Y
% 2.24/2.61     Z := Z
% 2.24/2.61     T := T
% 2.24/2.61  end
% 2.24/2.61  permutation0:
% 2.24/2.61     0 ==> 0
% 2.24/2.61     1 ==> 1
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  subsumption: (117) {G0,W6,D3,L1,V0,M1} I { ! subset( equivalence_class( 
% 2.24/2.61    skol23, skol15, skol20 ), skol15 ) }.
% 2.24/2.61  parent0: (20177) {G0,W6,D3,L1,V0,M1}  { ! subset( equivalence_class( skol23
% 2.24/2.61    , skol15, skol20 ), skol15 ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61  end
% 2.24/2.61  permutation0:
% 2.24/2.61     0 ==> 0
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  resolution: (20224) {G1,W11,D4,L1,V0,M1}  { member( skol1( 
% 2.24/2.61    equivalence_class( skol23, skol15, skol20 ), skol15 ), equivalence_class
% 2.24/2.61    ( skol23, skol15, skol20 ) ) }.
% 2.24/2.61  parent0[0]: (117) {G0,W6,D3,L1,V0,M1} I { ! subset( equivalence_class( 
% 2.24/2.61    skol23, skol15, skol20 ), skol15 ) }.
% 2.24/2.61  parent1[1]: (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset
% 2.24/2.61    ( X, Y ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61  end
% 2.24/2.61  substitution1:
% 2.24/2.61     X := equivalence_class( skol23, skol15, skol20 )
% 2.24/2.61     Y := skol15
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  subsumption: (1533) {G1,W11,D4,L1,V0,M1} R(117,2) { member( skol1( 
% 2.24/2.61    equivalence_class( skol23, skol15, skol20 ), skol15 ), equivalence_class
% 2.24/2.61    ( skol23, skol15, skol20 ) ) }.
% 2.24/2.61  parent0: (20224) {G1,W11,D4,L1,V0,M1}  { member( skol1( equivalence_class( 
% 2.24/2.61    skol23, skol15, skol20 ), skol15 ), equivalence_class( skol23, skol15, 
% 2.24/2.61    skol20 ) ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61  end
% 2.24/2.61  permutation0:
% 2.24/2.61     0 ==> 0
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  resolution: (20225) {G1,W5,D3,L1,V1,M1}  { ! member( skol1( X, skol15 ), 
% 2.24/2.61    skol15 ) }.
% 2.24/2.61  parent0[0]: (117) {G0,W6,D3,L1,V0,M1} I { ! subset( equivalence_class( 
% 2.24/2.61    skol23, skol15, skol20 ), skol15 ) }.
% 2.24/2.61  parent1[1]: (1) {G0,W8,D3,L2,V3,M2} I { ! member( skol1( Z, Y ), Y ), 
% 2.24/2.61    subset( X, Y ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61  end
% 2.24/2.61  substitution1:
% 2.24/2.61     X := equivalence_class( skol23, skol15, skol20 )
% 2.24/2.61     Y := skol15
% 2.24/2.61     Z := X
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  subsumption: (1534) {G1,W5,D3,L1,V1,M1} R(117,1) { ! member( skol1( X, 
% 2.24/2.61    skol15 ), skol15 ) }.
% 2.24/2.61  parent0: (20225) {G1,W5,D3,L1,V1,M1}  { ! member( skol1( X, skol15 ), 
% 2.24/2.61    skol15 ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61     X := X
% 2.24/2.61  end
% 2.24/2.61  permutation0:
% 2.24/2.61     0 ==> 0
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  resolution: (20226) {G1,W8,D3,L1,V3,M1}  { ! member( skol1( X, skol15 ), 
% 2.24/2.61    equivalence_class( Y, skol15, Z ) ) }.
% 2.24/2.61  parent0[0]: (1534) {G1,W5,D3,L1,V1,M1} R(117,1) { ! member( skol1( X, 
% 2.24/2.61    skol15 ), skol15 ) }.
% 2.24/2.61  parent1[1]: (92) {G0,W9,D3,L2,V4,M2} I { ! member( T, equivalence_class( Z
% 2.24/2.61    , Y, X ) ), member( T, Y ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61     X := X
% 2.24/2.61  end
% 2.24/2.61  substitution1:
% 2.24/2.61     X := Z
% 2.24/2.61     Y := skol15
% 2.24/2.61     Z := Y
% 2.24/2.61     T := skol1( X, skol15 )
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  subsumption: (5913) {G2,W8,D3,L1,V3,M1} R(92,1534) { ! member( skol1( X, 
% 2.24/2.61    skol15 ), equivalence_class( Y, skol15, Z ) ) }.
% 2.24/2.61  parent0: (20226) {G1,W8,D3,L1,V3,M1}  { ! member( skol1( X, skol15 ), 
% 2.24/2.61    equivalence_class( Y, skol15, Z ) ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61     X := X
% 2.24/2.61     Y := Y
% 2.24/2.61     Z := Z
% 2.24/2.61  end
% 2.24/2.61  permutation0:
% 2.24/2.61     0 ==> 0
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  resolution: (20227) {G2,W0,D0,L0,V0,M0}  {  }.
% 2.24/2.61  parent0[0]: (5913) {G2,W8,D3,L1,V3,M1} R(92,1534) { ! member( skol1( X, 
% 2.24/2.61    skol15 ), equivalence_class( Y, skol15, Z ) ) }.
% 2.24/2.61  parent1[0]: (1533) {G1,W11,D4,L1,V0,M1} R(117,2) { member( skol1( 
% 2.24/2.61    equivalence_class( skol23, skol15, skol20 ), skol15 ), equivalence_class
% 2.24/2.61    ( skol23, skol15, skol20 ) ) }.
% 2.24/2.61  substitution0:
% 2.24/2.61     X := equivalence_class( skol23, skol15, skol20 )
% 2.24/2.61     Y := skol23
% 2.24/2.61     Z := skol20
% 2.24/2.61  end
% 2.24/2.61  substitution1:
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  subsumption: (20058) {G3,W0,D0,L0,V0,M0} S(1533);r(5913) {  }.
% 2.24/2.61  parent0: (20227) {G2,W0,D0,L0,V0,M0}  {  }.
% 2.24/2.61  substitution0:
% 2.24/2.61  end
% 2.24/2.61  permutation0:
% 2.24/2.61  end
% 2.24/2.61  
% 2.24/2.61  Proof check complete!
% 2.24/2.61  
% 2.24/2.61  Memory use:
% 2.24/2.61  
% 2.24/2.61  space for terms:        265257
% 2.24/2.61  space for clauses:      857511
% 2.24/2.61  
% 2.24/2.61  
% 2.24/2.61  clauses generated:      39858
% 2.24/2.61  clauses kept:           20059
% 2.24/2.61  clauses selected:       871
% 2.24/2.61  clauses deleted:        677
% 2.24/2.61  clauses inuse deleted:  6
% 2.24/2.61  
% 2.24/2.61  subsentry:          208412
% 2.24/2.61  literals s-matched: 135824
% 2.24/2.61  literals matched:   122175
% 2.24/2.61  full subsumption:   44041
% 2.24/2.61  
% 2.24/2.61  checksum:           -1144613142
% 2.24/2.61  
% 2.24/2.61  
% 2.24/2.61  Bliksem ended
%------------------------------------------------------------------------------