TSTP Solution File: SET766+4 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET766+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n012.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 2.65s 3.06s
% Output   : Refutation 2.65s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET766+4 : TPTP v8.1.0. Released v2.2.0.
% 0.11/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n012.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % DateTime : Sun Jul 10 07:55:13 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.70/1.08  *** allocated 10000 integers for termspace/termends
% 0.70/1.08  *** allocated 10000 integers for clauses
% 0.70/1.08  *** allocated 10000 integers for justifications
% 0.70/1.08  Bliksem 1.12
% 0.70/1.08  
% 0.70/1.08  
% 0.70/1.08  Automatic Strategy Selection
% 0.70/1.08  
% 0.70/1.08  
% 0.70/1.08  Clauses:
% 0.70/1.08  
% 0.70/1.08  { ! subset( X, Y ), ! member( Z, X ), member( Z, Y ) }.
% 0.70/1.08  { ! member( skol1( Z, Y ), Y ), subset( X, Y ) }.
% 0.70/1.08  { member( skol1( X, Y ), X ), subset( X, Y ) }.
% 0.70/1.08  { ! equal_set( X, Y ), subset( X, Y ) }.
% 0.70/1.08  { ! equal_set( X, Y ), subset( Y, X ) }.
% 0.70/1.08  { ! subset( X, Y ), ! subset( Y, X ), equal_set( X, Y ) }.
% 0.70/1.08  { ! member( X, power_set( Y ) ), subset( X, Y ) }.
% 0.70/1.08  { ! subset( X, Y ), member( X, power_set( Y ) ) }.
% 0.70/1.08  { ! member( X, intersection( Y, Z ) ), member( X, Y ) }.
% 0.70/1.08  { ! member( X, intersection( Y, Z ) ), member( X, Z ) }.
% 0.70/1.08  { ! member( X, Y ), ! member( X, Z ), member( X, intersection( Y, Z ) ) }.
% 0.70/1.08  { ! member( X, union( Y, Z ) ), member( X, Y ), member( X, Z ) }.
% 0.70/1.08  { ! member( X, Y ), member( X, union( Y, Z ) ) }.
% 0.70/1.08  { ! member( X, Z ), member( X, union( Y, Z ) ) }.
% 0.70/1.08  { ! member( X, empty_set ) }.
% 0.70/1.08  { ! member( X, difference( Z, Y ) ), member( X, Z ) }.
% 0.70/1.08  { ! member( X, difference( Z, Y ) ), ! member( X, Y ) }.
% 0.70/1.08  { ! member( X, Z ), member( X, Y ), member( X, difference( Z, Y ) ) }.
% 0.70/1.08  { ! member( X, singleton( Y ) ), X = Y }.
% 0.70/1.08  { ! X = Y, member( X, singleton( Y ) ) }.
% 0.70/1.08  { ! member( X, unordered_pair( Y, Z ) ), X = Y, X = Z }.
% 0.70/1.08  { ! X = Y, member( X, unordered_pair( Y, Z ) ) }.
% 0.70/1.08  { ! X = Z, member( X, unordered_pair( Y, Z ) ) }.
% 0.70/1.08  { ! member( X, sum( Y ) ), member( skol2( Z, Y ), Y ) }.
% 0.70/1.08  { ! member( X, sum( Y ) ), member( X, skol2( X, Y ) ) }.
% 0.70/1.08  { ! member( Z, Y ), ! member( X, Z ), member( X, sum( Y ) ) }.
% 0.70/1.08  { ! member( X, product( Y ) ), ! member( Z, Y ), member( X, Z ) }.
% 0.70/1.08  { member( skol3( Z, Y ), Y ), member( X, product( Y ) ) }.
% 0.70/1.08  { ! member( X, skol3( X, Y ) ), member( X, product( Y ) ) }.
% 0.70/1.08  { ! disjoint( X, Y ), ! member( Z, X ), ! member( Z, Y ) }.
% 0.70/1.08  { member( skol4( Z, Y ), Y ), disjoint( X, Y ) }.
% 0.70/1.08  { member( skol4( X, Y ), X ), disjoint( X, Y ) }.
% 0.70/1.08  { ! partition( X, Y ), alpha4( X, Y ) }.
% 0.70/1.08  { ! partition( X, Y ), alpha8( X, Y ) }.
% 0.70/1.08  { ! alpha4( X, Y ), ! alpha8( X, Y ), partition( X, Y ) }.
% 0.70/1.08  { ! alpha8( X, Y ), alpha13( X, Y ) }.
% 0.70/1.08  { ! alpha8( X, Y ), alpha1( X ) }.
% 0.70/1.08  { ! alpha13( X, Y ), ! alpha1( X ), alpha8( X, Y ) }.
% 0.70/1.08  { ! alpha13( X, Y ), ! member( Z, Y ), alpha17( X, Z ) }.
% 0.70/1.08  { member( skol5( Z, Y ), Y ), alpha13( X, Y ) }.
% 0.70/1.08  { ! alpha17( X, skol5( X, Y ) ), alpha13( X, Y ) }.
% 0.70/1.08  { ! alpha17( X, Y ), member( Y, skol6( Z, Y ) ) }.
% 0.70/1.08  { ! alpha17( X, Y ), member( skol6( X, Y ), X ) }.
% 0.70/1.08  { ! member( Z, X ), ! member( Y, Z ), alpha17( X, Y ) }.
% 0.70/1.08  { ! alpha4( X, Y ), ! member( Z, X ), subset( Z, Y ) }.
% 0.70/1.08  { ! subset( skol7( Z, Y ), Y ), alpha4( X, Y ) }.
% 0.70/1.08  { member( skol7( X, Y ), X ), alpha4( X, Y ) }.
% 0.70/1.08  { ! alpha1( X ), ! alpha9( X, Y, Z ), alpha5( Y, Z ) }.
% 0.70/1.08  { alpha9( X, skol8( X ), skol16( X ) ), alpha1( X ) }.
% 0.70/1.08  { ! alpha5( skol8( X ), skol16( X ) ), alpha1( X ) }.
% 0.70/1.08  { ! alpha9( X, Y, Z ), member( Y, X ) }.
% 0.70/1.08  { ! alpha9( X, Y, Z ), member( Z, X ) }.
% 0.70/1.08  { ! member( Y, X ), ! member( Z, X ), alpha9( X, Y, Z ) }.
% 0.70/1.08  { ! alpha5( X, Y ), ! alpha10( X, Y ), X = Y }.
% 0.70/1.08  { alpha10( X, Y ), alpha5( X, Y ) }.
% 0.70/1.08  { ! X = Y, alpha5( X, Y ) }.
% 0.70/1.08  { ! alpha10( X, Y ), member( skol9( Z, Y ), Y ) }.
% 0.70/1.08  { ! alpha10( X, Y ), member( skol9( X, Y ), X ) }.
% 0.70/1.08  { ! member( Z, X ), ! member( Z, Y ), alpha10( X, Y ) }.
% 0.70/1.08  { ! equivalence( Y, X ), alpha2( X, Y ) }.
% 0.70/1.08  { ! equivalence( Y, X ), alpha6( X, Y ) }.
% 0.70/1.08  { ! alpha2( X, Y ), ! alpha6( X, Y ), equivalence( Y, X ) }.
% 0.70/1.08  { ! alpha6( X, Y ), alpha11( X, Y ) }.
% 0.70/1.08  { ! alpha6( X, Y ), alpha14( X, Y ) }.
% 0.70/1.08  { ! alpha11( X, Y ), ! alpha14( X, Y ), alpha6( X, Y ) }.
% 0.70/1.08  { ! alpha14( X, Y ), ! alpha21( X, Z, T, U ), alpha23( Y, Z, T, U ) }.
% 0.70/1.08  { alpha21( X, skol10( X, Y ), skol17( X, Y ), skol21( X, Y ) ), alpha14( X
% 0.70/1.08    , Y ) }.
% 0.70/1.08  { ! alpha23( Y, skol10( X, Y ), skol17( X, Y ), skol21( X, Y ) ), alpha14( 
% 0.70/1.08    X, Y ) }.
% 0.70/1.08  { ! alpha23( X, Y, Z, T ), ! alpha24( X, Y, Z, T ), apply( X, Y, T ) }.
% 0.70/1.08  { alpha24( X, Y, Z, T ), alpha23( X, Y, Z, T ) }.
% 0.70/1.08  { ! apply( X, Y, T ), alpha23( X, Y, Z, T ) }.
% 0.70/1.08  { ! alpha24( X, Y, Z, T ), apply( X, Y, Z ) }.
% 0.70/1.08  { ! alpha24( X, Y, Z, T ), apply( X, Z, T ) }.
% 0.70/1.08  { ! apply( X, Y, Z ), ! apply( X, Z, T ), alpha24( X, Y, Z, T ) }.
% 0.85/1.22  { ! alpha21( X, Y, Z, T ), member( Y, X ) }.
% 0.85/1.22  { ! alpha21( X, Y, Z, T ), alpha18( X, Z, T ) }.
% 0.85/1.22  { ! member( Y, X ), ! alpha18( X, Z, T ), alpha21( X, Y, Z, T ) }.
% 0.85/1.22  { ! alpha18( X, Y, Z ), member( Y, X ) }.
% 0.85/1.22  { ! alpha18( X, Y, Z ), member( Z, X ) }.
% 0.85/1.22  { ! member( Y, X ), ! member( Z, X ), alpha18( X, Y, Z ) }.
% 0.85/1.22  { ! alpha11( X, Y ), ! alpha15( X, Z, T ), alpha19( Y, Z, T ) }.
% 0.85/1.22  { alpha15( X, skol11( X, Y ), skol18( X, Y ) ), alpha11( X, Y ) }.
% 0.85/1.22  { ! alpha19( Y, skol11( X, Y ), skol18( X, Y ) ), alpha11( X, Y ) }.
% 0.85/1.22  { ! alpha19( X, Y, Z ), ! apply( X, Y, Z ), apply( X, Z, Y ) }.
% 0.85/1.22  { apply( X, Y, Z ), alpha19( X, Y, Z ) }.
% 0.85/1.22  { ! apply( X, Z, Y ), alpha19( X, Y, Z ) }.
% 0.85/1.22  { ! alpha15( X, Y, Z ), member( Y, X ) }.
% 0.85/1.22  { ! alpha15( X, Y, Z ), member( Z, X ) }.
% 0.85/1.22  { ! member( Y, X ), ! member( Z, X ), alpha15( X, Y, Z ) }.
% 0.85/1.22  { ! alpha2( X, Y ), ! member( Z, X ), apply( Y, Z, Z ) }.
% 0.85/1.22  { ! apply( Y, skol12( Z, Y ), skol12( Z, Y ) ), alpha2( X, Y ) }.
% 0.85/1.22  { member( skol12( X, Y ), X ), alpha2( X, Y ) }.
% 0.85/1.22  { ! member( T, equivalence_class( Z, Y, X ) ), member( T, Y ) }.
% 0.85/1.22  { ! member( T, equivalence_class( Z, Y, X ) ), apply( X, Z, T ) }.
% 0.85/1.22  { ! member( T, Y ), ! apply( X, Z, T ), member( T, equivalence_class( Z, Y
% 0.85/1.22    , X ) ) }.
% 0.85/1.22  { ! pre_order( X, Y ), alpha3( X, Y ) }.
% 0.85/1.22  { ! pre_order( X, Y ), alpha7( X, Y ) }.
% 0.85/1.22  { ! alpha3( X, Y ), ! alpha7( X, Y ), pre_order( X, Y ) }.
% 0.85/1.22  { ! alpha7( X, Y ), ! alpha16( Y, Z, T, U ), alpha20( X, Z, T, U ) }.
% 0.85/1.22  { alpha16( Y, skol13( X, Y ), skol19( X, Y ), skol22( X, Y ) ), alpha7( X, 
% 0.85/1.22    Y ) }.
% 0.85/1.22  { ! alpha20( X, skol13( X, Y ), skol19( X, Y ), skol22( X, Y ) ), alpha7( X
% 0.85/1.22    , Y ) }.
% 0.85/1.22  { ! alpha20( X, Y, Z, T ), ! alpha22( X, Y, Z, T ), apply( X, Y, T ) }.
% 0.85/1.22  { alpha22( X, Y, Z, T ), alpha20( X, Y, Z, T ) }.
% 0.85/1.22  { ! apply( X, Y, T ), alpha20( X, Y, Z, T ) }.
% 0.85/1.22  { ! alpha22( X, Y, Z, T ), apply( X, Y, Z ) }.
% 0.85/1.22  { ! alpha22( X, Y, Z, T ), apply( X, Z, T ) }.
% 0.85/1.22  { ! apply( X, Y, Z ), ! apply( X, Z, T ), alpha22( X, Y, Z, T ) }.
% 0.85/1.22  { ! alpha16( X, Y, Z, T ), member( Y, X ) }.
% 0.85/1.22  { ! alpha16( X, Y, Z, T ), alpha12( X, Z, T ) }.
% 0.85/1.22  { ! member( Y, X ), ! alpha12( X, Z, T ), alpha16( X, Y, Z, T ) }.
% 0.85/1.22  { ! alpha12( X, Y, Z ), member( Y, X ) }.
% 0.85/1.22  { ! alpha12( X, Y, Z ), member( Z, X ) }.
% 0.85/1.22  { ! member( Y, X ), ! member( Z, X ), alpha12( X, Y, Z ) }.
% 0.85/1.22  { ! alpha3( X, Y ), ! member( Z, Y ), apply( X, Z, Z ) }.
% 0.85/1.22  { member( skol14( Z, Y ), Y ), alpha3( X, Y ) }.
% 0.85/1.22  { ! apply( X, skol14( X, Y ), skol14( X, Y ) ), alpha3( X, Y ) }.
% 0.85/1.22  { equivalence( skol20, skol15 ) }.
% 0.85/1.22  { member( skol23, skol15 ) }.
% 0.85/1.22  { ! member( skol23, equivalence_class( skol23, skol15, skol20 ) ) }.
% 0.85/1.22  
% 0.85/1.22  percentage equality = 0.029520, percentage horn = 0.840336
% 0.85/1.22  This is a problem with some equality
% 0.85/1.22  
% 0.85/1.22  
% 0.85/1.22  
% 0.85/1.22  Options Used:
% 0.85/1.22  
% 0.85/1.22  useres =            1
% 0.85/1.22  useparamod =        1
% 0.85/1.22  useeqrefl =         1
% 0.85/1.22  useeqfact =         1
% 0.85/1.22  usefactor =         1
% 0.85/1.22  usesimpsplitting =  0
% 0.85/1.22  usesimpdemod =      5
% 0.85/1.22  usesimpres =        3
% 0.85/1.22  
% 0.85/1.22  resimpinuse      =  1000
% 0.85/1.22  resimpclauses =     20000
% 0.85/1.22  substype =          eqrewr
% 0.85/1.22  backwardsubs =      1
% 0.85/1.22  selectoldest =      5
% 0.85/1.22  
% 0.85/1.22  litorderings [0] =  split
% 0.85/1.22  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.85/1.22  
% 0.85/1.22  termordering =      kbo
% 0.85/1.22  
% 0.85/1.22  litapriori =        0
% 0.85/1.22  termapriori =       1
% 0.85/1.22  litaposteriori =    0
% 0.85/1.22  termaposteriori =   0
% 0.85/1.22  demodaposteriori =  0
% 0.85/1.22  ordereqreflfact =   0
% 0.85/1.22  
% 0.85/1.22  litselect =         negord
% 0.85/1.22  
% 0.85/1.22  maxweight =         15
% 0.85/1.22  maxdepth =          30000
% 0.85/1.22  maxlength =         115
% 0.85/1.22  maxnrvars =         195
% 0.85/1.22  excuselevel =       1
% 0.85/1.22  increasemaxweight = 1
% 0.85/1.22  
% 0.85/1.22  maxselected =       10000000
% 0.85/1.22  maxnrclauses =      10000000
% 0.85/1.22  
% 0.85/1.22  showgenerated =    0
% 0.85/1.22  showkept =         0
% 0.85/1.22  showselected =     0
% 0.85/1.22  showdeleted =      0
% 0.85/1.22  showresimp =       1
% 0.85/1.22  showstatus =       2000
% 0.85/1.22  
% 0.85/1.22  prologoutput =     0
% 0.85/1.22  nrgoals =          5000000
% 0.85/1.22  totalproof =       1
% 0.85/1.22  
% 0.85/1.22  Symbols occurring in the translation:
% 0.85/1.22  
% 0.85/1.22  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.85/1.22  .  [1, 2]      (w:1, o:29, a:1, s:1, b:0), 
% 0.85/1.22  !  [4, 1]      (w:0, o:17, a:1, s:1, b:0), 
% 0.85/1.22  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.85/1.22  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.85/1.22  subset  [37, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.85/1.22  member  [39, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.85/1.22  equal_set  [40, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 0.85/1.22  power_set  [41, 1]      (w:1, o:22, a:1, s:1, b:0), 
% 0.85/1.22  intersection  [42, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 2.65/3.06  union  [43, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 2.65/3.06  empty_set  [44, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 2.65/3.06  difference  [46, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 2.65/3.06  singleton  [47, 1]      (w:1, o:23, a:1, s:1, b:0), 
% 2.65/3.06  unordered_pair  [48, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 2.65/3.06  sum  [49, 1]      (w:1, o:24, a:1, s:1, b:0), 
% 2.65/3.06  product  [51, 1]      (w:1, o:25, a:1, s:1, b:0), 
% 2.65/3.06  disjoint  [52, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 2.65/3.06  partition  [53, 2]      (w:1, o:61, a:1, s:1, b:0), 
% 2.65/3.06  equivalence  [56, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 2.65/3.06  apply  [57, 3]      (w:1, o:94, a:1, s:1, b:0), 
% 2.65/3.06  equivalence_class  [58, 3]      (w:1, o:95, a:1, s:1, b:0), 
% 2.65/3.06  pre_order  [59, 2]      (w:1, o:63, a:1, s:1, b:0), 
% 2.65/3.06  alpha1  [60, 1]      (w:1, o:26, a:1, s:1, b:1), 
% 2.65/3.06  alpha2  [61, 2]      (w:1, o:69, a:1, s:1, b:1), 
% 2.65/3.06  alpha3  [62, 2]      (w:1, o:70, a:1, s:1, b:1), 
% 2.65/3.06  alpha4  [63, 2]      (w:1, o:71, a:1, s:1, b:1), 
% 2.65/3.06  alpha5  [64, 2]      (w:1, o:72, a:1, s:1, b:1), 
% 2.65/3.06  alpha6  [65, 2]      (w:1, o:73, a:1, s:1, b:1), 
% 2.65/3.06  alpha7  [66, 2]      (w:1, o:74, a:1, s:1, b:1), 
% 2.65/3.06  alpha8  [67, 2]      (w:1, o:75, a:1, s:1, b:1), 
% 2.65/3.06  alpha9  [68, 3]      (w:1, o:96, a:1, s:1, b:1), 
% 2.65/3.06  alpha10  [69, 2]      (w:1, o:64, a:1, s:1, b:1), 
% 2.65/3.06  alpha11  [70, 2]      (w:1, o:65, a:1, s:1, b:1), 
% 2.65/3.06  alpha12  [71, 3]      (w:1, o:97, a:1, s:1, b:1), 
% 2.65/3.06  alpha13  [72, 2]      (w:1, o:66, a:1, s:1, b:1), 
% 2.65/3.06  alpha14  [73, 2]      (w:1, o:67, a:1, s:1, b:1), 
% 2.65/3.06  alpha15  [74, 3]      (w:1, o:98, a:1, s:1, b:1), 
% 2.65/3.06  alpha16  [75, 4]      (w:1, o:101, a:1, s:1, b:1), 
% 2.65/3.06  alpha17  [76, 2]      (w:1, o:68, a:1, s:1, b:1), 
% 2.65/3.06  alpha18  [77, 3]      (w:1, o:99, a:1, s:1, b:1), 
% 2.65/3.06  alpha19  [78, 3]      (w:1, o:100, a:1, s:1, b:1), 
% 2.65/3.06  alpha20  [79, 4]      (w:1, o:102, a:1, s:1, b:1), 
% 2.65/3.06  alpha21  [80, 4]      (w:1, o:103, a:1, s:1, b:1), 
% 2.65/3.06  alpha22  [81, 4]      (w:1, o:104, a:1, s:1, b:1), 
% 2.65/3.06  alpha23  [82, 4]      (w:1, o:105, a:1, s:1, b:1), 
% 2.65/3.06  alpha24  [83, 4]      (w:1, o:106, a:1, s:1, b:1), 
% 2.65/3.06  skol1  [84, 2]      (w:1, o:76, a:1, s:1, b:1), 
% 2.65/3.06  skol2  [85, 2]      (w:1, o:85, a:1, s:1, b:1), 
% 2.65/3.06  skol3  [86, 2]      (w:1, o:88, a:1, s:1, b:1), 
% 2.65/3.06  skol4  [87, 2]      (w:1, o:89, a:1, s:1, b:1), 
% 2.65/3.06  skol5  [88, 2]      (w:1, o:90, a:1, s:1, b:1), 
% 2.65/3.06  skol6  [89, 2]      (w:1, o:91, a:1, s:1, b:1), 
% 2.65/3.06  skol7  [90, 2]      (w:1, o:92, a:1, s:1, b:1), 
% 2.65/3.06  skol8  [91, 1]      (w:1, o:27, a:1, s:1, b:1), 
% 2.65/3.06  skol9  [92, 2]      (w:1, o:93, a:1, s:1, b:1), 
% 2.65/3.06  skol10  [93, 2]      (w:1, o:77, a:1, s:1, b:1), 
% 2.65/3.06  skol11  [94, 2]      (w:1, o:78, a:1, s:1, b:1), 
% 2.65/3.06  skol12  [95, 2]      (w:1, o:79, a:1, s:1, b:1), 
% 2.65/3.06  skol13  [96, 2]      (w:1, o:80, a:1, s:1, b:1), 
% 2.65/3.06  skol14  [97, 2]      (w:1, o:81, a:1, s:1, b:1), 
% 2.65/3.06  skol15  [98, 0]      (w:1, o:14, a:1, s:1, b:1), 
% 2.65/3.06  skol16  [99, 1]      (w:1, o:28, a:1, s:1, b:1), 
% 2.65/3.06  skol17  [100, 2]      (w:1, o:82, a:1, s:1, b:1), 
% 2.65/3.06  skol18  [101, 2]      (w:1, o:83, a:1, s:1, b:1), 
% 2.65/3.06  skol19  [102, 2]      (w:1, o:84, a:1, s:1, b:1), 
% 2.65/3.06  skol20  [103, 0]      (w:1, o:15, a:1, s:1, b:1), 
% 2.65/3.06  skol21  [104, 2]      (w:1, o:86, a:1, s:1, b:1), 
% 2.65/3.06  skol22  [105, 2]      (w:1, o:87, a:1, s:1, b:1), 
% 2.65/3.06  skol23  [106, 0]      (w:1, o:16, a:1, s:1, b:1).
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Starting Search:
% 2.65/3.06  
% 2.65/3.06  *** allocated 15000 integers for clauses
% 2.65/3.06  *** allocated 22500 integers for clauses
% 2.65/3.06  *** allocated 33750 integers for clauses
% 2.65/3.06  *** allocated 50625 integers for clauses
% 2.65/3.06  *** allocated 15000 integers for termspace/termends
% 2.65/3.06  *** allocated 75937 integers for clauses
% 2.65/3.06  *** allocated 22500 integers for termspace/termends
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  *** allocated 113905 integers for clauses
% 2.65/3.06  *** allocated 33750 integers for termspace/termends
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    2803
% 2.65/3.06  Kept:         2011
% 2.65/3.06  Inuse:        125
% 2.65/3.06  Deleted:      3
% 2.65/3.06  Deletedinuse: 1
% 2.65/3.06  
% 2.65/3.06  *** allocated 170857 integers for clauses
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  *** allocated 50625 integers for termspace/termends
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  *** allocated 256285 integers for clauses
% 2.65/3.06  *** allocated 75937 integers for termspace/termends
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    5859
% 2.65/3.06  Kept:         4507
% 2.65/3.06  Inuse:        244
% 2.65/3.06  Deleted:      3
% 2.65/3.06  Deletedinuse: 1
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  *** allocated 384427 integers for clauses
% 2.65/3.06  *** allocated 113905 integers for termspace/termends
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    10614
% 2.65/3.06  Kept:         6537
% 2.65/3.06  Inuse:        449
% 2.65/3.06  Deleted:      6
% 2.65/3.06  Deletedinuse: 1
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  *** allocated 576640 integers for clauses
% 2.65/3.06  *** allocated 170857 integers for termspace/termends
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    15579
% 2.65/3.06  Kept:         9180
% 2.65/3.06  Inuse:        540
% 2.65/3.06  Deleted:      9
% 2.65/3.06  Deletedinuse: 3
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    19842
% 2.65/3.06  Kept:         11184
% 2.65/3.06  Inuse:        602
% 2.65/3.06  Deleted:      9
% 2.65/3.06  Deletedinuse: 3
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  *** allocated 256285 integers for termspace/termends
% 2.65/3.06  *** allocated 864960 integers for clauses
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    23353
% 2.65/3.06  Kept:         13251
% 2.65/3.06  Inuse:        649
% 2.65/3.06  Deleted:      10
% 2.65/3.06  Deletedinuse: 3
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    27881
% 2.65/3.06  Kept:         15287
% 2.65/3.06  Inuse:        689
% 2.65/3.06  Deleted:      11
% 2.65/3.06  Deletedinuse: 4
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    32063
% 2.65/3.06  Kept:         17301
% 2.65/3.06  Inuse:        735
% 2.65/3.06  Deleted:      11
% 2.65/3.06  Deletedinuse: 4
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    36739
% 2.65/3.06  Kept:         19377
% 2.65/3.06  Inuse:        778
% 2.65/3.06  Deleted:      24
% 2.65/3.06  Deletedinuse: 16
% 2.65/3.06  
% 2.65/3.06  *** allocated 384427 integers for termspace/termends
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  *** allocated 1297440 integers for clauses
% 2.65/3.06  Resimplifying clauses:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    41664
% 2.65/3.06  Kept:         21378
% 2.65/3.06  Inuse:        826
% 2.65/3.06  Deleted:      1246
% 2.65/3.06  Deletedinuse: 16
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  Resimplifying inuse:
% 2.65/3.06  Done
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Intermediate Status:
% 2.65/3.06  Generated:    46626
% 2.65/3.06  Kept:         23493
% 2.65/3.06  Inuse:        873
% 2.65/3.06  Deleted:      1248
% 2.65/3.06  Deletedinuse: 18
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Bliksems!, er is een bewijs:
% 2.65/3.06  % SZS status Theorem
% 2.65/3.06  % SZS output start Refutation
% 2.65/3.06  
% 2.65/3.06  (0) {G0,W9,D2,L3,V3,M3} I { ! subset( X, Y ), ! member( Z, X ), member( Z, 
% 2.65/3.06    Y ) }.
% 2.65/3.06  (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset( X, Y ) }.
% 2.65/3.06  (14) {G0,W3,D2,L1,V1,M1} I { ! member( X, empty_set ) }.
% 2.65/3.06  (20) {G0,W11,D3,L3,V3,M3} I { ! member( X, unordered_pair( Y, Z ) ), X = Y
% 2.65/3.06    , X = Z }.
% 2.65/3.06  (21) {G0,W8,D3,L2,V3,M2} I { ! X = Y, member( X, unordered_pair( Y, Z ) )
% 2.65/3.06     }.
% 2.65/3.06  (59) {G0,W6,D2,L2,V2,M2} I { ! equivalence( Y, X ), alpha2( X, Y ) }.
% 2.65/3.06  (89) {G0,W10,D2,L3,V3,M3} I { ! alpha2( X, Y ), ! member( Z, X ), apply( Y
% 2.65/3.06    , Z, Z ) }.
% 2.65/3.06  (94) {G0,W13,D3,L3,V4,M3} I { ! member( T, Y ), ! apply( X, Z, T ), member
% 2.65/3.06    ( T, equivalence_class( Z, Y, X ) ) }.
% 2.65/3.06  (116) {G0,W3,D2,L1,V0,M1} I { equivalence( skol20, skol15 ) }.
% 2.65/3.06  (117) {G0,W3,D2,L1,V0,M1} I { member( skol23, skol15 ) }.
% 2.65/3.06  (118) {G0,W6,D3,L1,V0,M1} I { ! member( skol23, equivalence_class( skol23, 
% 2.65/3.06    skol15, skol20 ) ) }.
% 2.65/3.06  (125) {G1,W11,D3,L3,V3,M3} E(20) { ! X = Y, ! member( Z, unordered_pair( Y
% 2.65/3.06    , X ) ), Z = Y }.
% 2.65/3.06  (126) {G1,W5,D3,L1,V2,M1} Q(21) { member( X, unordered_pair( X, Y ) ) }.
% 2.65/3.06  (142) {G1,W6,D2,L2,V2,M2} R(0,14) { ! subset( X, empty_set ), ! member( Y, 
% 2.65/3.06    X ) }.
% 2.65/3.06  (145) {G2,W5,D3,L1,V2,M1} R(142,126) { ! subset( unordered_pair( X, Y ), 
% 2.65/3.06    empty_set ) }.
% 2.65/3.06  (151) {G3,W9,D4,L1,V2,M1} R(2,145) { member( skol1( unordered_pair( X, Y )
% 2.65/3.06    , empty_set ), unordered_pair( X, Y ) ) }.
% 2.65/3.06  (512) {G1,W3,D2,L1,V0,M1} R(59,116) { alpha2( skol15, skol20 ) }.
% 2.65/3.06  (7408) {G1,W4,D2,L1,V0,M1} R(118,94);r(117) { ! apply( skol20, skol23, 
% 2.65/3.06    skol23 ) }.
% 2.65/3.06  (7462) {G2,W6,D2,L2,V1,M2} R(7408,89) { ! alpha2( X, skol20 ), ! member( 
% 2.65/3.06    skol23, X ) }.
% 2.65/3.06  (12268) {G4,W10,D4,L2,V2,M2} R(151,125) { ! X = Y, skol1( unordered_pair( Y
% 2.65/3.06    , X ), empty_set ) ==> Y }.
% 2.65/3.06  (12290) {G4,W14,D4,L2,V2,M2} R(151,20) { skol1( unordered_pair( X, Y ), 
% 2.65/3.06    empty_set ) ==> X, skol1( unordered_pair( X, Y ), empty_set ) ==> Y }.
% 2.65/3.06  (12306) {G5,W6,D2,L2,V2,M2} E(12290);d(12268) { ! X = Y, X = Y }.
% 2.65/3.06  (14519) {G6,W6,D2,L2,V1,M2} P(12306,117) { member( X, skol15 ), ! skol23 = 
% 2.65/3.06    X }.
% 2.65/3.06  (23622) {G7,W0,D0,L0,V0,M0} R(7462,14519);q;r(512) {  }.
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  % SZS output end Refutation
% 2.65/3.06  found a proof!
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Unprocessed initial clauses:
% 2.65/3.06  
% 2.65/3.06  (23624) {G0,W9,D2,L3,V3,M3}  { ! subset( X, Y ), ! member( Z, X ), member( 
% 2.65/3.06    Z, Y ) }.
% 2.65/3.06  (23625) {G0,W8,D3,L2,V3,M2}  { ! member( skol1( Z, Y ), Y ), subset( X, Y )
% 2.65/3.06     }.
% 2.65/3.06  (23626) {G0,W8,D3,L2,V2,M2}  { member( skol1( X, Y ), X ), subset( X, Y )
% 2.65/3.06     }.
% 2.65/3.06  (23627) {G0,W6,D2,L2,V2,M2}  { ! equal_set( X, Y ), subset( X, Y ) }.
% 2.65/3.06  (23628) {G0,W6,D2,L2,V2,M2}  { ! equal_set( X, Y ), subset( Y, X ) }.
% 2.65/3.06  (23629) {G0,W9,D2,L3,V2,M3}  { ! subset( X, Y ), ! subset( Y, X ), 
% 2.65/3.06    equal_set( X, Y ) }.
% 2.65/3.06  (23630) {G0,W7,D3,L2,V2,M2}  { ! member( X, power_set( Y ) ), subset( X, Y
% 2.65/3.06     ) }.
% 2.65/3.06  (23631) {G0,W7,D3,L2,V2,M2}  { ! subset( X, Y ), member( X, power_set( Y )
% 2.65/3.06     ) }.
% 2.65/3.06  (23632) {G0,W8,D3,L2,V3,M2}  { ! member( X, intersection( Y, Z ) ), member
% 2.65/3.06    ( X, Y ) }.
% 2.65/3.06  (23633) {G0,W8,D3,L2,V3,M2}  { ! member( X, intersection( Y, Z ) ), member
% 2.65/3.06    ( X, Z ) }.
% 2.65/3.06  (23634) {G0,W11,D3,L3,V3,M3}  { ! member( X, Y ), ! member( X, Z ), member
% 2.65/3.06    ( X, intersection( Y, Z ) ) }.
% 2.65/3.06  (23635) {G0,W11,D3,L3,V3,M3}  { ! member( X, union( Y, Z ) ), member( X, Y
% 2.65/3.06     ), member( X, Z ) }.
% 2.65/3.06  (23636) {G0,W8,D3,L2,V3,M2}  { ! member( X, Y ), member( X, union( Y, Z ) )
% 2.65/3.06     }.
% 2.65/3.06  (23637) {G0,W8,D3,L2,V3,M2}  { ! member( X, Z ), member( X, union( Y, Z ) )
% 2.65/3.06     }.
% 2.65/3.06  (23638) {G0,W3,D2,L1,V1,M1}  { ! member( X, empty_set ) }.
% 2.65/3.06  (23639) {G0,W8,D3,L2,V3,M2}  { ! member( X, difference( Z, Y ) ), member( X
% 2.65/3.06    , Z ) }.
% 2.65/3.06  (23640) {G0,W8,D3,L2,V3,M2}  { ! member( X, difference( Z, Y ) ), ! member
% 2.65/3.06    ( X, Y ) }.
% 2.65/3.06  (23641) {G0,W11,D3,L3,V3,M3}  { ! member( X, Z ), member( X, Y ), member( X
% 2.65/3.06    , difference( Z, Y ) ) }.
% 2.65/3.06  (23642) {G0,W7,D3,L2,V2,M2}  { ! member( X, singleton( Y ) ), X = Y }.
% 2.65/3.06  (23643) {G0,W7,D3,L2,V2,M2}  { ! X = Y, member( X, singleton( Y ) ) }.
% 2.65/3.06  (23644) {G0,W11,D3,L3,V3,M3}  { ! member( X, unordered_pair( Y, Z ) ), X = 
% 2.65/3.06    Y, X = Z }.
% 2.65/3.06  (23645) {G0,W8,D3,L2,V3,M2}  { ! X = Y, member( X, unordered_pair( Y, Z ) )
% 2.65/3.06     }.
% 2.65/3.06  (23646) {G0,W8,D3,L2,V3,M2}  { ! X = Z, member( X, unordered_pair( Y, Z ) )
% 2.65/3.06     }.
% 2.65/3.06  (23647) {G0,W9,D3,L2,V3,M2}  { ! member( X, sum( Y ) ), member( skol2( Z, Y
% 2.65/3.06     ), Y ) }.
% 2.65/3.06  (23648) {G0,W9,D3,L2,V2,M2}  { ! member( X, sum( Y ) ), member( X, skol2( X
% 2.65/3.06    , Y ) ) }.
% 2.65/3.06  (23649) {G0,W10,D3,L3,V3,M3}  { ! member( Z, Y ), ! member( X, Z ), member
% 2.65/3.06    ( X, sum( Y ) ) }.
% 2.65/3.06  (23650) {G0,W10,D3,L3,V3,M3}  { ! member( X, product( Y ) ), ! member( Z, Y
% 2.65/3.06     ), member( X, Z ) }.
% 2.65/3.06  (23651) {G0,W9,D3,L2,V3,M2}  { member( skol3( Z, Y ), Y ), member( X, 
% 2.65/3.06    product( Y ) ) }.
% 2.65/3.06  (23652) {G0,W9,D3,L2,V2,M2}  { ! member( X, skol3( X, Y ) ), member( X, 
% 2.65/3.06    product( Y ) ) }.
% 2.65/3.06  (23653) {G0,W9,D2,L3,V3,M3}  { ! disjoint( X, Y ), ! member( Z, X ), ! 
% 2.65/3.06    member( Z, Y ) }.
% 2.65/3.06  (23654) {G0,W8,D3,L2,V3,M2}  { member( skol4( Z, Y ), Y ), disjoint( X, Y )
% 2.65/3.06     }.
% 2.65/3.06  (23655) {G0,W8,D3,L2,V2,M2}  { member( skol4( X, Y ), X ), disjoint( X, Y )
% 2.65/3.06     }.
% 2.65/3.06  (23656) {G0,W6,D2,L2,V2,M2}  { ! partition( X, Y ), alpha4( X, Y ) }.
% 2.65/3.06  (23657) {G0,W6,D2,L2,V2,M2}  { ! partition( X, Y ), alpha8( X, Y ) }.
% 2.65/3.06  (23658) {G0,W9,D2,L3,V2,M3}  { ! alpha4( X, Y ), ! alpha8( X, Y ), 
% 2.65/3.06    partition( X, Y ) }.
% 2.65/3.06  (23659) {G0,W6,D2,L2,V2,M2}  { ! alpha8( X, Y ), alpha13( X, Y ) }.
% 2.65/3.06  (23660) {G0,W5,D2,L2,V2,M2}  { ! alpha8( X, Y ), alpha1( X ) }.
% 2.65/3.06  (23661) {G0,W8,D2,L3,V2,M3}  { ! alpha13( X, Y ), ! alpha1( X ), alpha8( X
% 2.65/3.06    , Y ) }.
% 2.65/3.06  (23662) {G0,W9,D2,L3,V3,M3}  { ! alpha13( X, Y ), ! member( Z, Y ), alpha17
% 2.65/3.06    ( X, Z ) }.
% 2.65/3.06  (23663) {G0,W8,D3,L2,V3,M2}  { member( skol5( Z, Y ), Y ), alpha13( X, Y )
% 2.65/3.06     }.
% 2.65/3.06  (23664) {G0,W8,D3,L2,V2,M2}  { ! alpha17( X, skol5( X, Y ) ), alpha13( X, Y
% 2.65/3.06     ) }.
% 2.65/3.06  (23665) {G0,W8,D3,L2,V3,M2}  { ! alpha17( X, Y ), member( Y, skol6( Z, Y )
% 2.65/3.06     ) }.
% 2.65/3.06  (23666) {G0,W8,D3,L2,V2,M2}  { ! alpha17( X, Y ), member( skol6( X, Y ), X
% 2.65/3.06     ) }.
% 2.65/3.06  (23667) {G0,W9,D2,L3,V3,M3}  { ! member( Z, X ), ! member( Y, Z ), alpha17
% 2.65/3.06    ( X, Y ) }.
% 2.65/3.06  (23668) {G0,W9,D2,L3,V3,M3}  { ! alpha4( X, Y ), ! member( Z, X ), subset( 
% 2.65/3.06    Z, Y ) }.
% 2.65/3.06  (23669) {G0,W8,D3,L2,V3,M2}  { ! subset( skol7( Z, Y ), Y ), alpha4( X, Y )
% 2.65/3.06     }.
% 2.65/3.06  (23670) {G0,W8,D3,L2,V2,M2}  { member( skol7( X, Y ), X ), alpha4( X, Y )
% 2.65/3.06     }.
% 2.65/3.06  (23671) {G0,W9,D2,L3,V3,M3}  { ! alpha1( X ), ! alpha9( X, Y, Z ), alpha5( 
% 2.65/3.06    Y, Z ) }.
% 2.65/3.06  (23672) {G0,W8,D3,L2,V1,M2}  { alpha9( X, skol8( X ), skol16( X ) ), alpha1
% 2.65/3.06    ( X ) }.
% 2.65/3.06  (23673) {G0,W7,D3,L2,V1,M2}  { ! alpha5( skol8( X ), skol16( X ) ), alpha1
% 2.65/3.06    ( X ) }.
% 2.65/3.06  (23674) {G0,W7,D2,L2,V3,M2}  { ! alpha9( X, Y, Z ), member( Y, X ) }.
% 2.65/3.06  (23675) {G0,W7,D2,L2,V3,M2}  { ! alpha9( X, Y, Z ), member( Z, X ) }.
% 2.65/3.06  (23676) {G0,W10,D2,L3,V3,M3}  { ! member( Y, X ), ! member( Z, X ), alpha9
% 2.65/3.06    ( X, Y, Z ) }.
% 2.65/3.06  (23677) {G0,W9,D2,L3,V2,M3}  { ! alpha5( X, Y ), ! alpha10( X, Y ), X = Y
% 2.65/3.06     }.
% 2.65/3.06  (23678) {G0,W6,D2,L2,V2,M2}  { alpha10( X, Y ), alpha5( X, Y ) }.
% 2.65/3.06  (23679) {G0,W6,D2,L2,V2,M2}  { ! X = Y, alpha5( X, Y ) }.
% 2.65/3.06  (23680) {G0,W8,D3,L2,V3,M2}  { ! alpha10( X, Y ), member( skol9( Z, Y ), Y
% 2.65/3.06     ) }.
% 2.65/3.06  (23681) {G0,W8,D3,L2,V2,M2}  { ! alpha10( X, Y ), member( skol9( X, Y ), X
% 2.65/3.06     ) }.
% 2.65/3.06  (23682) {G0,W9,D2,L3,V3,M3}  { ! member( Z, X ), ! member( Z, Y ), alpha10
% 2.65/3.06    ( X, Y ) }.
% 2.65/3.06  (23683) {G0,W6,D2,L2,V2,M2}  { ! equivalence( Y, X ), alpha2( X, Y ) }.
% 2.65/3.06  (23684) {G0,W6,D2,L2,V2,M2}  { ! equivalence( Y, X ), alpha6( X, Y ) }.
% 2.65/3.06  (23685) {G0,W9,D2,L3,V2,M3}  { ! alpha2( X, Y ), ! alpha6( X, Y ), 
% 2.65/3.06    equivalence( Y, X ) }.
% 2.65/3.06  (23686) {G0,W6,D2,L2,V2,M2}  { ! alpha6( X, Y ), alpha11( X, Y ) }.
% 2.65/3.06  (23687) {G0,W6,D2,L2,V2,M2}  { ! alpha6( X, Y ), alpha14( X, Y ) }.
% 2.65/3.06  (23688) {G0,W9,D2,L3,V2,M3}  { ! alpha11( X, Y ), ! alpha14( X, Y ), alpha6
% 2.65/3.06    ( X, Y ) }.
% 2.65/3.06  (23689) {G0,W13,D2,L3,V5,M3}  { ! alpha14( X, Y ), ! alpha21( X, Z, T, U )
% 2.65/3.06    , alpha23( Y, Z, T, U ) }.
% 2.65/3.06  (23690) {G0,W14,D3,L2,V2,M2}  { alpha21( X, skol10( X, Y ), skol17( X, Y )
% 2.65/3.06    , skol21( X, Y ) ), alpha14( X, Y ) }.
% 2.65/3.06  (23691) {G0,W14,D3,L2,V2,M2}  { ! alpha23( Y, skol10( X, Y ), skol17( X, Y
% 2.65/3.06     ), skol21( X, Y ) ), alpha14( X, Y ) }.
% 2.65/3.06  (23692) {G0,W14,D2,L3,V4,M3}  { ! alpha23( X, Y, Z, T ), ! alpha24( X, Y, Z
% 2.65/3.06    , T ), apply( X, Y, T ) }.
% 2.65/3.06  (23693) {G0,W10,D2,L2,V4,M2}  { alpha24( X, Y, Z, T ), alpha23( X, Y, Z, T
% 2.65/3.06     ) }.
% 2.65/3.06  (23694) {G0,W9,D2,L2,V4,M2}  { ! apply( X, Y, T ), alpha23( X, Y, Z, T )
% 2.65/3.06     }.
% 2.65/3.06  (23695) {G0,W9,D2,L2,V4,M2}  { ! alpha24( X, Y, Z, T ), apply( X, Y, Z )
% 2.65/3.06     }.
% 2.65/3.06  (23696) {G0,W9,D2,L2,V4,M2}  { ! alpha24( X, Y, Z, T ), apply( X, Z, T )
% 2.65/3.06     }.
% 2.65/3.06  (23697) {G0,W13,D2,L3,V4,M3}  { ! apply( X, Y, Z ), ! apply( X, Z, T ), 
% 2.65/3.06    alpha24( X, Y, Z, T ) }.
% 2.65/3.06  (23698) {G0,W8,D2,L2,V4,M2}  { ! alpha21( X, Y, Z, T ), member( Y, X ) }.
% 2.65/3.06  (23699) {G0,W9,D2,L2,V4,M2}  { ! alpha21( X, Y, Z, T ), alpha18( X, Z, T )
% 2.65/3.06     }.
% 2.65/3.06  (23700) {G0,W12,D2,L3,V4,M3}  { ! member( Y, X ), ! alpha18( X, Z, T ), 
% 2.65/3.06    alpha21( X, Y, Z, T ) }.
% 2.65/3.06  (23701) {G0,W7,D2,L2,V3,M2}  { ! alpha18( X, Y, Z ), member( Y, X ) }.
% 2.65/3.06  (23702) {G0,W7,D2,L2,V3,M2}  { ! alpha18( X, Y, Z ), member( Z, X ) }.
% 2.65/3.06  (23703) {G0,W10,D2,L3,V3,M3}  { ! member( Y, X ), ! member( Z, X ), alpha18
% 2.65/3.06    ( X, Y, Z ) }.
% 2.65/3.06  (23704) {G0,W11,D2,L3,V4,M3}  { ! alpha11( X, Y ), ! alpha15( X, Z, T ), 
% 2.65/3.06    alpha19( Y, Z, T ) }.
% 2.65/3.06  (23705) {G0,W11,D3,L2,V2,M2}  { alpha15( X, skol11( X, Y ), skol18( X, Y )
% 2.65/3.06     ), alpha11( X, Y ) }.
% 2.65/3.06  (23706) {G0,W11,D3,L2,V2,M2}  { ! alpha19( Y, skol11( X, Y ), skol18( X, Y
% 2.65/3.06     ) ), alpha11( X, Y ) }.
% 2.65/3.06  (23707) {G0,W12,D2,L3,V3,M3}  { ! alpha19( X, Y, Z ), ! apply( X, Y, Z ), 
% 2.65/3.06    apply( X, Z, Y ) }.
% 2.65/3.06  (23708) {G0,W8,D2,L2,V3,M2}  { apply( X, Y, Z ), alpha19( X, Y, Z ) }.
% 2.65/3.06  (23709) {G0,W8,D2,L2,V3,M2}  { ! apply( X, Z, Y ), alpha19( X, Y, Z ) }.
% 2.65/3.06  (23710) {G0,W7,D2,L2,V3,M2}  { ! alpha15( X, Y, Z ), member( Y, X ) }.
% 2.65/3.06  (23711) {G0,W7,D2,L2,V3,M2}  { ! alpha15( X, Y, Z ), member( Z, X ) }.
% 2.65/3.06  (23712) {G0,W10,D2,L3,V3,M3}  { ! member( Y, X ), ! member( Z, X ), alpha15
% 2.65/3.06    ( X, Y, Z ) }.
% 2.65/3.06  (23713) {G0,W10,D2,L3,V3,M3}  { ! alpha2( X, Y ), ! member( Z, X ), apply( 
% 2.65/3.06    Y, Z, Z ) }.
% 2.65/3.06  (23714) {G0,W11,D3,L2,V3,M2}  { ! apply( Y, skol12( Z, Y ), skol12( Z, Y )
% 2.65/3.06     ), alpha2( X, Y ) }.
% 2.65/3.06  (23715) {G0,W8,D3,L2,V2,M2}  { member( skol12( X, Y ), X ), alpha2( X, Y )
% 2.65/3.06     }.
% 2.65/3.06  (23716) {G0,W9,D3,L2,V4,M2}  { ! member( T, equivalence_class( Z, Y, X ) )
% 2.65/3.06    , member( T, Y ) }.
% 2.65/3.06  (23717) {G0,W10,D3,L2,V4,M2}  { ! member( T, equivalence_class( Z, Y, X ) )
% 2.65/3.06    , apply( X, Z, T ) }.
% 2.65/3.06  (23718) {G0,W13,D3,L3,V4,M3}  { ! member( T, Y ), ! apply( X, Z, T ), 
% 2.65/3.06    member( T, equivalence_class( Z, Y, X ) ) }.
% 2.65/3.06  (23719) {G0,W6,D2,L2,V2,M2}  { ! pre_order( X, Y ), alpha3( X, Y ) }.
% 2.65/3.06  (23720) {G0,W6,D2,L2,V2,M2}  { ! pre_order( X, Y ), alpha7( X, Y ) }.
% 2.65/3.06  (23721) {G0,W9,D2,L3,V2,M3}  { ! alpha3( X, Y ), ! alpha7( X, Y ), 
% 2.65/3.06    pre_order( X, Y ) }.
% 2.65/3.06  (23722) {G0,W13,D2,L3,V5,M3}  { ! alpha7( X, Y ), ! alpha16( Y, Z, T, U ), 
% 2.65/3.06    alpha20( X, Z, T, U ) }.
% 2.65/3.06  (23723) {G0,W14,D3,L2,V2,M2}  { alpha16( Y, skol13( X, Y ), skol19( X, Y )
% 2.65/3.06    , skol22( X, Y ) ), alpha7( X, Y ) }.
% 2.65/3.06  (23724) {G0,W14,D3,L2,V2,M2}  { ! alpha20( X, skol13( X, Y ), skol19( X, Y
% 2.65/3.06     ), skol22( X, Y ) ), alpha7( X, Y ) }.
% 2.65/3.06  (23725) {G0,W14,D2,L3,V4,M3}  { ! alpha20( X, Y, Z, T ), ! alpha22( X, Y, Z
% 2.65/3.06    , T ), apply( X, Y, T ) }.
% 2.65/3.06  (23726) {G0,W10,D2,L2,V4,M2}  { alpha22( X, Y, Z, T ), alpha20( X, Y, Z, T
% 2.65/3.06     ) }.
% 2.65/3.06  (23727) {G0,W9,D2,L2,V4,M2}  { ! apply( X, Y, T ), alpha20( X, Y, Z, T )
% 2.65/3.06     }.
% 2.65/3.06  (23728) {G0,W9,D2,L2,V4,M2}  { ! alpha22( X, Y, Z, T ), apply( X, Y, Z )
% 2.65/3.06     }.
% 2.65/3.06  (23729) {G0,W9,D2,L2,V4,M2}  { ! alpha22( X, Y, Z, T ), apply( X, Z, T )
% 2.65/3.06     }.
% 2.65/3.06  (23730) {G0,W13,D2,L3,V4,M3}  { ! apply( X, Y, Z ), ! apply( X, Z, T ), 
% 2.65/3.06    alpha22( X, Y, Z, T ) }.
% 2.65/3.06  (23731) {G0,W8,D2,L2,V4,M2}  { ! alpha16( X, Y, Z, T ), member( Y, X ) }.
% 2.65/3.06  (23732) {G0,W9,D2,L2,V4,M2}  { ! alpha16( X, Y, Z, T ), alpha12( X, Z, T )
% 2.65/3.06     }.
% 2.65/3.06  (23733) {G0,W12,D2,L3,V4,M3}  { ! member( Y, X ), ! alpha12( X, Z, T ), 
% 2.65/3.06    alpha16( X, Y, Z, T ) }.
% 2.65/3.06  (23734) {G0,W7,D2,L2,V3,M2}  { ! alpha12( X, Y, Z ), member( Y, X ) }.
% 2.65/3.06  (23735) {G0,W7,D2,L2,V3,M2}  { ! alpha12( X, Y, Z ), member( Z, X ) }.
% 2.65/3.06  (23736) {G0,W10,D2,L3,V3,M3}  { ! member( Y, X ), ! member( Z, X ), alpha12
% 2.65/3.06    ( X, Y, Z ) }.
% 2.65/3.06  (23737) {G0,W10,D2,L3,V3,M3}  { ! alpha3( X, Y ), ! member( Z, Y ), apply( 
% 2.65/3.06    X, Z, Z ) }.
% 2.65/3.06  (23738) {G0,W8,D3,L2,V3,M2}  { member( skol14( Z, Y ), Y ), alpha3( X, Y )
% 2.65/3.06     }.
% 2.65/3.06  (23739) {G0,W11,D3,L2,V2,M2}  { ! apply( X, skol14( X, Y ), skol14( X, Y )
% 2.65/3.06     ), alpha3( X, Y ) }.
% 2.65/3.06  (23740) {G0,W3,D2,L1,V0,M1}  { equivalence( skol20, skol15 ) }.
% 2.65/3.06  (23741) {G0,W3,D2,L1,V0,M1}  { member( skol23, skol15 ) }.
% 2.65/3.06  (23742) {G0,W6,D3,L1,V0,M1}  { ! member( skol23, equivalence_class( skol23
% 2.65/3.06    , skol15, skol20 ) ) }.
% 2.65/3.06  
% 2.65/3.06  
% 2.65/3.06  Total Proof:
% 2.65/3.06  
% 2.65/3.06  subsumption: (0) {G0,W9,D2,L3,V3,M3} I { ! subset( X, Y ), ! member( Z, X )
% 2.65/3.06    , member( Z, Y ) }.
% 2.65/3.06  parent0: (23624) {G0,W9,D2,L3,V3,M3}  { ! subset( X, Y ), ! member( Z, X )
% 2.65/3.06    , member( Z, Y ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := Z
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06     2 ==> 2
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset
% 2.65/3.06    ( X, Y ) }.
% 2.65/3.06  parent0: (23626) {G0,W8,D3,L2,V2,M2}  { member( skol1( X, Y ), X ), subset
% 2.65/3.06    ( X, Y ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (14) {G0,W3,D2,L1,V1,M1} I { ! member( X, empty_set ) }.
% 2.65/3.06  parent0: (23638) {G0,W3,D2,L1,V1,M1}  { ! member( X, empty_set ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (20) {G0,W11,D3,L3,V3,M3} I { ! member( X, unordered_pair( Y, 
% 2.65/3.06    Z ) ), X = Y, X = Z }.
% 2.65/3.06  parent0: (23644) {G0,W11,D3,L3,V3,M3}  { ! member( X, unordered_pair( Y, Z
% 2.65/3.06     ) ), X = Y, X = Z }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := Z
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06     2 ==> 2
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (21) {G0,W8,D3,L2,V3,M2} I { ! X = Y, member( X, 
% 2.65/3.06    unordered_pair( Y, Z ) ) }.
% 2.65/3.06  parent0: (23645) {G0,W8,D3,L2,V3,M2}  { ! X = Y, member( X, unordered_pair
% 2.65/3.06    ( Y, Z ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := Z
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (59) {G0,W6,D2,L2,V2,M2} I { ! equivalence( Y, X ), alpha2( X
% 2.65/3.06    , Y ) }.
% 2.65/3.06  parent0: (23683) {G0,W6,D2,L2,V2,M2}  { ! equivalence( Y, X ), alpha2( X, Y
% 2.65/3.06     ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (89) {G0,W10,D2,L3,V3,M3} I { ! alpha2( X, Y ), ! member( Z, X
% 2.65/3.06     ), apply( Y, Z, Z ) }.
% 2.65/3.06  parent0: (23713) {G0,W10,D2,L3,V3,M3}  { ! alpha2( X, Y ), ! member( Z, X )
% 2.65/3.06    , apply( Y, Z, Z ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := Z
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06     2 ==> 2
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (94) {G0,W13,D3,L3,V4,M3} I { ! member( T, Y ), ! apply( X, Z
% 2.65/3.06    , T ), member( T, equivalence_class( Z, Y, X ) ) }.
% 2.65/3.06  parent0: (23718) {G0,W13,D3,L3,V4,M3}  { ! member( T, Y ), ! apply( X, Z, T
% 2.65/3.06     ), member( T, equivalence_class( Z, Y, X ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := Z
% 2.65/3.06     T := T
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06     2 ==> 2
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (116) {G0,W3,D2,L1,V0,M1} I { equivalence( skol20, skol15 )
% 2.65/3.06     }.
% 2.65/3.06  parent0: (23740) {G0,W3,D2,L1,V0,M1}  { equivalence( skol20, skol15 ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (117) {G0,W3,D2,L1,V0,M1} I { member( skol23, skol15 ) }.
% 2.65/3.06  parent0: (23741) {G0,W3,D2,L1,V0,M1}  { member( skol23, skol15 ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (118) {G0,W6,D3,L1,V0,M1} I { ! member( skol23, 
% 2.65/3.06    equivalence_class( skol23, skol15, skol20 ) ) }.
% 2.65/3.06  parent0: (23742) {G0,W6,D3,L1,V0,M1}  { ! member( skol23, equivalence_class
% 2.65/3.06    ( skol23, skol15, skol20 ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  eqfact: (23920) {G0,W11,D3,L3,V3,M3}  { ! X = Y, ! member( Z, 
% 2.65/3.06    unordered_pair( Y, X ) ), Z = Y }.
% 2.65/3.06  parent0[2, 1]: (20) {G0,W11,D3,L3,V3,M3} I { ! member( X, unordered_pair( Y
% 2.65/3.06    , Z ) ), X = Y, X = Z }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := Z
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := X
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (125) {G1,W11,D3,L3,V3,M3} E(20) { ! X = Y, ! member( Z, 
% 2.65/3.06    unordered_pair( Y, X ) ), Z = Y }.
% 2.65/3.06  parent0: (23920) {G0,W11,D3,L3,V3,M3}  { ! X = Y, ! member( Z, 
% 2.65/3.06    unordered_pair( Y, X ) ), Z = Y }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := Z
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06     2 ==> 2
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  eqswap: (23927) {G0,W8,D3,L2,V3,M2}  { ! Y = X, member( X, unordered_pair( 
% 2.65/3.06    Y, Z ) ) }.
% 2.65/3.06  parent0[0]: (21) {G0,W8,D3,L2,V3,M2} I { ! X = Y, member( X, unordered_pair
% 2.65/3.06    ( Y, Z ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := Z
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  eqrefl: (23928) {G0,W5,D3,L1,V2,M1}  { member( X, unordered_pair( X, Y ) )
% 2.65/3.06     }.
% 2.65/3.06  parent0[0]: (23927) {G0,W8,D3,L2,V3,M2}  { ! Y = X, member( X, 
% 2.65/3.06    unordered_pair( Y, Z ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := X
% 2.65/3.06     Z := Y
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (126) {G1,W5,D3,L1,V2,M1} Q(21) { member( X, unordered_pair( X
% 2.65/3.06    , Y ) ) }.
% 2.65/3.06  parent0: (23928) {G0,W5,D3,L1,V2,M1}  { member( X, unordered_pair( X, Y ) )
% 2.65/3.06     }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  resolution: (23929) {G1,W6,D2,L2,V2,M2}  { ! subset( Y, empty_set ), ! 
% 2.65/3.06    member( X, Y ) }.
% 2.65/3.06  parent0[0]: (14) {G0,W3,D2,L1,V1,M1} I { ! member( X, empty_set ) }.
% 2.65/3.06  parent1[2]: (0) {G0,W9,D2,L3,V3,M3} I { ! subset( X, Y ), ! member( Z, X )
% 2.65/3.06    , member( Z, Y ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06  end
% 2.65/3.06  substitution1:
% 2.65/3.06     X := Y
% 2.65/3.06     Y := empty_set
% 2.65/3.06     Z := X
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (142) {G1,W6,D2,L2,V2,M2} R(0,14) { ! subset( X, empty_set ), 
% 2.65/3.06    ! member( Y, X ) }.
% 2.65/3.06  parent0: (23929) {G1,W6,D2,L2,V2,M2}  { ! subset( Y, empty_set ), ! member
% 2.65/3.06    ( X, Y ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := Y
% 2.65/3.06     Y := X
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  resolution: (23930) {G2,W5,D3,L1,V2,M1}  { ! subset( unordered_pair( X, Y )
% 2.65/3.06    , empty_set ) }.
% 2.65/3.06  parent0[1]: (142) {G1,W6,D2,L2,V2,M2} R(0,14) { ! subset( X, empty_set ), !
% 2.65/3.06     member( Y, X ) }.
% 2.65/3.06  parent1[0]: (126) {G1,W5,D3,L1,V2,M1} Q(21) { member( X, unordered_pair( X
% 2.65/3.06    , Y ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := unordered_pair( X, Y )
% 2.65/3.06     Y := X
% 2.65/3.06  end
% 2.65/3.06  substitution1:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (145) {G2,W5,D3,L1,V2,M1} R(142,126) { ! subset( 
% 2.65/3.06    unordered_pair( X, Y ), empty_set ) }.
% 2.65/3.06  parent0: (23930) {G2,W5,D3,L1,V2,M1}  { ! subset( unordered_pair( X, Y ), 
% 2.65/3.06    empty_set ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  resolution: (23931) {G1,W9,D4,L1,V2,M1}  { member( skol1( unordered_pair( X
% 2.65/3.06    , Y ), empty_set ), unordered_pair( X, Y ) ) }.
% 2.65/3.06  parent0[0]: (145) {G2,W5,D3,L1,V2,M1} R(142,126) { ! subset( unordered_pair
% 2.65/3.06    ( X, Y ), empty_set ) }.
% 2.65/3.06  parent1[1]: (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset
% 2.65/3.06    ( X, Y ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  substitution1:
% 2.65/3.06     X := unordered_pair( X, Y )
% 2.65/3.06     Y := empty_set
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (151) {G3,W9,D4,L1,V2,M1} R(2,145) { member( skol1( 
% 2.65/3.06    unordered_pair( X, Y ), empty_set ), unordered_pair( X, Y ) ) }.
% 2.65/3.06  parent0: (23931) {G1,W9,D4,L1,V2,M1}  { member( skol1( unordered_pair( X, Y
% 2.65/3.06     ), empty_set ), unordered_pair( X, Y ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  resolution: (23932) {G1,W3,D2,L1,V0,M1}  { alpha2( skol15, skol20 ) }.
% 2.65/3.06  parent0[0]: (59) {G0,W6,D2,L2,V2,M2} I { ! equivalence( Y, X ), alpha2( X, 
% 2.65/3.06    Y ) }.
% 2.65/3.06  parent1[0]: (116) {G0,W3,D2,L1,V0,M1} I { equivalence( skol20, skol15 ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := skol15
% 2.65/3.06     Y := skol20
% 2.65/3.06  end
% 2.65/3.06  substitution1:
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (512) {G1,W3,D2,L1,V0,M1} R(59,116) { alpha2( skol15, skol20 )
% 2.65/3.06     }.
% 2.65/3.06  parent0: (23932) {G1,W3,D2,L1,V0,M1}  { alpha2( skol15, skol20 ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  resolution: (23933) {G1,W7,D2,L2,V0,M2}  { ! member( skol23, skol15 ), ! 
% 2.65/3.06    apply( skol20, skol23, skol23 ) }.
% 2.65/3.06  parent0[0]: (118) {G0,W6,D3,L1,V0,M1} I { ! member( skol23, 
% 2.65/3.06    equivalence_class( skol23, skol15, skol20 ) ) }.
% 2.65/3.06  parent1[2]: (94) {G0,W13,D3,L3,V4,M3} I { ! member( T, Y ), ! apply( X, Z, 
% 2.65/3.06    T ), member( T, equivalence_class( Z, Y, X ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06  end
% 2.65/3.06  substitution1:
% 2.65/3.06     X := skol20
% 2.65/3.06     Y := skol15
% 2.65/3.06     Z := skol23
% 2.65/3.06     T := skol23
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  resolution: (23934) {G1,W4,D2,L1,V0,M1}  { ! apply( skol20, skol23, skol23
% 2.65/3.06     ) }.
% 2.65/3.06  parent0[0]: (23933) {G1,W7,D2,L2,V0,M2}  { ! member( skol23, skol15 ), ! 
% 2.65/3.06    apply( skol20, skol23, skol23 ) }.
% 2.65/3.06  parent1[0]: (117) {G0,W3,D2,L1,V0,M1} I { member( skol23, skol15 ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06  end
% 2.65/3.06  substitution1:
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (7408) {G1,W4,D2,L1,V0,M1} R(118,94);r(117) { ! apply( skol20
% 2.65/3.06    , skol23, skol23 ) }.
% 2.65/3.06  parent0: (23934) {G1,W4,D2,L1,V0,M1}  { ! apply( skol20, skol23, skol23 )
% 2.65/3.06     }.
% 2.65/3.06  substitution0:
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  resolution: (23935) {G1,W6,D2,L2,V1,M2}  { ! alpha2( X, skol20 ), ! member
% 2.65/3.06    ( skol23, X ) }.
% 2.65/3.06  parent0[0]: (7408) {G1,W4,D2,L1,V0,M1} R(118,94);r(117) { ! apply( skol20, 
% 2.65/3.06    skol23, skol23 ) }.
% 2.65/3.06  parent1[2]: (89) {G0,W10,D2,L3,V3,M3} I { ! alpha2( X, Y ), ! member( Z, X
% 2.65/3.06     ), apply( Y, Z, Z ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06  end
% 2.65/3.06  substitution1:
% 2.65/3.06     X := X
% 2.65/3.06     Y := skol20
% 2.65/3.06     Z := skol23
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (7462) {G2,W6,D2,L2,V1,M2} R(7408,89) { ! alpha2( X, skol20 )
% 2.65/3.06    , ! member( skol23, X ) }.
% 2.65/3.06  parent0: (23935) {G1,W6,D2,L2,V1,M2}  { ! alpha2( X, skol20 ), ! member( 
% 2.65/3.06    skol23, X ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  eqswap: (23936) {G1,W11,D3,L3,V3,M3}  { ! Y = X, ! member( Z, 
% 2.65/3.06    unordered_pair( Y, X ) ), Z = Y }.
% 2.65/3.06  parent0[0]: (125) {G1,W11,D3,L3,V3,M3} E(20) { ! X = Y, ! member( Z, 
% 2.65/3.06    unordered_pair( Y, X ) ), Z = Y }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := Z
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  resolution: (23939) {G2,W10,D4,L2,V2,M2}  { ! X = Y, skol1( unordered_pair
% 2.65/3.06    ( X, Y ), empty_set ) = X }.
% 2.65/3.06  parent0[1]: (23936) {G1,W11,D3,L3,V3,M3}  { ! Y = X, ! member( Z, 
% 2.65/3.06    unordered_pair( Y, X ) ), Z = Y }.
% 2.65/3.06  parent1[0]: (151) {G3,W9,D4,L1,V2,M1} R(2,145) { member( skol1( 
% 2.65/3.06    unordered_pair( X, Y ), empty_set ), unordered_pair( X, Y ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := Y
% 2.65/3.06     Y := X
% 2.65/3.06     Z := skol1( unordered_pair( X, Y ), empty_set )
% 2.65/3.06  end
% 2.65/3.06  substitution1:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  eqswap: (23940) {G2,W10,D4,L2,V2,M2}  { ! Y = X, skol1( unordered_pair( X, 
% 2.65/3.06    Y ), empty_set ) = X }.
% 2.65/3.06  parent0[0]: (23939) {G2,W10,D4,L2,V2,M2}  { ! X = Y, skol1( unordered_pair
% 2.65/3.06    ( X, Y ), empty_set ) = X }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  subsumption: (12268) {G4,W10,D4,L2,V2,M2} R(151,125) { ! X = Y, skol1( 
% 2.65/3.06    unordered_pair( Y, X ), empty_set ) ==> Y }.
% 2.65/3.06  parent0: (23940) {G2,W10,D4,L2,V2,M2}  { ! Y = X, skol1( unordered_pair( X
% 2.65/3.06    , Y ), empty_set ) = X }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := Y
% 2.65/3.06     Y := X
% 2.65/3.06  end
% 2.65/3.06  permutation0:
% 2.65/3.06     0 ==> 0
% 2.65/3.06     1 ==> 1
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  eqswap: (23943) {G0,W11,D3,L3,V3,M3}  { Y = X, ! member( X, unordered_pair
% 2.65/3.06    ( Y, Z ) ), X = Z }.
% 2.65/3.06  parent0[1]: (20) {G0,W11,D3,L3,V3,M3} I { ! member( X, unordered_pair( Y, Z
% 2.65/3.06     ) ), X = Y, X = Z }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06     Z := Z
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  resolution: (23946) {G1,W14,D4,L2,V2,M2}  { X = skol1( unordered_pair( X, Y
% 2.65/3.06     ), empty_set ), skol1( unordered_pair( X, Y ), empty_set ) = Y }.
% 2.65/3.06  parent0[1]: (23943) {G0,W11,D3,L3,V3,M3}  { Y = X, ! member( X, 
% 2.65/3.06    unordered_pair( Y, Z ) ), X = Z }.
% 2.65/3.06  parent1[0]: (151) {G3,W9,D4,L1,V2,M1} R(2,145) { member( skol1( 
% 2.65/3.06    unordered_pair( X, Y ), empty_set ), unordered_pair( X, Y ) ) }.
% 2.65/3.06  substitution0:
% 2.65/3.06     X := skol1( unordered_pair( X, Y ), empty_set )
% 2.65/3.06     Y := X
% 2.65/3.06     Z := Y
% 2.65/3.06  end
% 2.65/3.06  substitution1:
% 2.65/3.06     X := X
% 2.65/3.06     Y := Y
% 2.65/3.06  end
% 2.65/3.06  
% 2.65/3.06  eqswap: (23947Cputime limit exceeded (core dumped)
%------------------------------------------------------------------------------