TSTP Solution File: SEU097+1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SEU097+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n018.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 : Tue Jul 19 07:10:36 EDT 2022

% Result   : Theorem 27.31s 27.69s
% Output   : Refutation 27.31s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU097+1 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n018.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 : Sat Jun 18 23:16:48 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.70/1.10  *** allocated 10000 integers for termspace/termends
% 0.70/1.10  *** allocated 10000 integers for clauses
% 0.70/1.10  *** allocated 10000 integers for justifications
% 0.70/1.10  Bliksem 1.12
% 0.70/1.10  
% 0.70/1.10  
% 0.70/1.10  Automatic Strategy Selection
% 0.70/1.10  
% 0.70/1.10  
% 0.70/1.10  Clauses:
% 0.70/1.10  
% 0.70/1.10  { ! in( X, Y ), ! in( Y, X ) }.
% 0.70/1.10  { ! ordinal( X ), ! element( Y, X ), epsilon_transitive( Y ) }.
% 0.70/1.10  { ! ordinal( X ), ! element( Y, X ), epsilon_connected( Y ) }.
% 0.70/1.10  { ! ordinal( X ), ! element( Y, X ), ordinal( Y ) }.
% 0.70/1.10  { ! empty( X ), finite( X ) }.
% 0.70/1.10  { ! empty( X ), function( X ) }.
% 0.70/1.10  { ! ordinal( X ), epsilon_transitive( X ) }.
% 0.70/1.10  { ! ordinal( X ), epsilon_connected( X ) }.
% 0.70/1.10  { ! empty( X ), relation( X ) }.
% 0.70/1.10  { ! empty( X ), ! ordinal( X ), alpha1( X ) }.
% 0.70/1.10  { ! empty( X ), ! ordinal( X ), natural( X ) }.
% 0.70/1.10  { ! alpha1( X ), epsilon_transitive( X ) }.
% 0.70/1.10  { ! alpha1( X ), epsilon_connected( X ) }.
% 0.70/1.10  { ! alpha1( X ), ordinal( X ) }.
% 0.70/1.10  { ! epsilon_transitive( X ), ! epsilon_connected( X ), ! ordinal( X ), 
% 0.70/1.10    alpha1( X ) }.
% 0.70/1.10  { ! finite( X ), ! element( Y, powerset( X ) ), finite( Y ) }.
% 0.70/1.10  { ! relation( X ), ! empty( X ), ! function( X ), relation( X ) }.
% 0.70/1.10  { ! relation( X ), ! empty( X ), ! function( X ), function( X ) }.
% 0.70/1.10  { ! relation( X ), ! empty( X ), ! function( X ), one_to_one( X ) }.
% 0.70/1.10  { ! epsilon_transitive( X ), ! epsilon_connected( X ), ordinal( X ) }.
% 0.70/1.10  { ! empty( X ), epsilon_transitive( X ) }.
% 0.70/1.10  { ! empty( X ), epsilon_connected( X ) }.
% 0.70/1.10  { ! empty( X ), ordinal( X ) }.
% 0.70/1.10  { ! element( X, positive_rationals ), ! ordinal( X ), alpha2( X ) }.
% 0.70/1.10  { ! element( X, positive_rationals ), ! ordinal( X ), natural( X ) }.
% 0.70/1.10  { ! alpha2( X ), epsilon_transitive( X ) }.
% 0.70/1.10  { ! alpha2( X ), epsilon_connected( X ) }.
% 0.70/1.10  { ! alpha2( X ), ordinal( X ) }.
% 0.70/1.10  { ! epsilon_transitive( X ), ! epsilon_connected( X ), ! ordinal( X ), 
% 0.70/1.10    alpha2( X ) }.
% 0.70/1.10  { set_union2( X, Y ) = set_union2( Y, X ) }.
% 0.70/1.10  { symmetric_difference( X, Y ) = symmetric_difference( Y, X ) }.
% 0.70/1.10  { symmetric_difference( X, Y ) = set_union2( set_difference( X, Y ), 
% 0.70/1.10    set_difference( Y, X ) ) }.
% 0.70/1.10  { element( skol1( X ), X ) }.
% 0.70/1.10  { ! finite( X ), finite( set_difference( X, Y ) ) }.
% 0.70/1.10  { empty( empty_set ) }.
% 0.70/1.10  { relation( empty_set ) }.
% 0.70/1.10  { relation_empty_yielding( empty_set ) }.
% 0.70/1.10  { ! empty( powerset( X ) ) }.
% 0.70/1.10  { empty( empty_set ) }.
% 0.70/1.10  { relation( empty_set ) }.
% 0.70/1.10  { relation_empty_yielding( empty_set ) }.
% 0.70/1.10  { function( empty_set ) }.
% 0.70/1.10  { one_to_one( empty_set ) }.
% 0.70/1.10  { empty( empty_set ) }.
% 0.70/1.10  { epsilon_transitive( empty_set ) }.
% 0.70/1.10  { epsilon_connected( empty_set ) }.
% 0.70/1.10  { ordinal( empty_set ) }.
% 0.70/1.10  { ! relation( X ), ! relation( Y ), relation( set_union2( X, Y ) ) }.
% 0.70/1.10  { empty( X ), ! empty( set_union2( X, Y ) ) }.
% 0.70/1.10  { ! relation( X ), ! relation( Y ), relation( set_difference( X, Y ) ) }.
% 0.70/1.10  { empty( X ), ! empty( set_union2( Y, X ) ) }.
% 0.70/1.10  { empty( empty_set ) }.
% 0.70/1.10  { relation( empty_set ) }.
% 0.70/1.10  { ! empty( positive_rationals ) }.
% 0.70/1.10  { ! finite( X ), ! finite( Y ), finite( set_union2( X, Y ) ) }.
% 0.70/1.10  { set_union2( X, X ) = X }.
% 0.70/1.10  { ! finite( X ), ! finite( Y ), finite( set_union2( X, Y ) ) }.
% 0.70/1.10  { ! empty( skol2 ) }.
% 0.70/1.10  { epsilon_transitive( skol2 ) }.
% 0.70/1.10  { epsilon_connected( skol2 ) }.
% 0.70/1.10  { ordinal( skol2 ) }.
% 0.70/1.10  { natural( skol2 ) }.
% 0.70/1.10  { ! empty( skol3 ) }.
% 0.70/1.10  { finite( skol3 ) }.
% 0.70/1.10  { relation( skol4 ) }.
% 0.70/1.10  { function( skol4 ) }.
% 0.70/1.10  { function_yielding( skol4 ) }.
% 0.70/1.10  { relation( skol5 ) }.
% 0.70/1.10  { function( skol5 ) }.
% 0.70/1.10  { epsilon_transitive( skol6 ) }.
% 0.70/1.10  { epsilon_connected( skol6 ) }.
% 0.70/1.10  { ordinal( skol6 ) }.
% 0.70/1.10  { epsilon_transitive( skol7 ) }.
% 0.70/1.10  { epsilon_connected( skol7 ) }.
% 0.70/1.10  { ordinal( skol7 ) }.
% 0.70/1.10  { being_limit_ordinal( skol7 ) }.
% 0.70/1.10  { empty( skol8 ) }.
% 0.70/1.10  { relation( skol8 ) }.
% 0.70/1.10  { empty( X ), ! empty( skol9( Y ) ) }.
% 0.70/1.10  { empty( X ), element( skol9( X ), powerset( X ) ) }.
% 0.70/1.10  { empty( skol10 ) }.
% 0.70/1.10  { element( skol11, positive_rationals ) }.
% 0.70/1.10  { ! empty( skol11 ) }.
% 0.70/1.10  { epsilon_transitive( skol11 ) }.
% 0.70/1.10  { epsilon_connected( skol11 ) }.
% 0.70/1.10  { ordinal( skol11 ) }.
% 0.70/1.10  { empty( skol12( Y ) ) }.
% 0.70/1.10  { relation( skol12( Y ) ) }.
% 0.70/1.10  { function( skol12( Y ) ) }.
% 0.70/1.10  { one_to_one( skol12( Y ) ) }.
% 0.70/1.10  { epsilon_transitive( skol12( Y ) ) }.
% 0.70/1.10  { epsilon_connected( skol12( Y ) ) }.
% 0.70/1.10  { ordinal( skol12( Y ) ) }.
% 0.70/1.10  { natural( skol12( Y ) ) }.
% 0.70/1.10  { finite( skol12( Y ) ) }.
% 0.70/1.10  { element( skol12( X ), powerset( X ) ) }.
% 0.70/1.10  { relation( skol13 ) }.
% 0.70/1.10  { empty( skol13 ) }.
% 0.70/1.10  { function( skol13 ) }.
% 0.70/1.10  { relation( skol14 ) }.
% 2.16/2.55  { function( skol14 ) }.
% 2.16/2.55  { one_to_one( skol14 ) }.
% 2.16/2.55  { empty( skol14 ) }.
% 2.16/2.55  { epsilon_transitive( skol14 ) }.
% 2.16/2.55  { epsilon_connected( skol14 ) }.
% 2.16/2.55  { ordinal( skol14 ) }.
% 2.16/2.55  { relation( skol15 ) }.
% 2.16/2.55  { function( skol15 ) }.
% 2.16/2.55  { transfinite_sequence( skol15 ) }.
% 2.16/2.55  { ordinal_yielding( skol15 ) }.
% 2.16/2.55  { ! empty( skol16 ) }.
% 2.16/2.55  { relation( skol16 ) }.
% 2.16/2.55  { empty( skol17( Y ) ) }.
% 2.16/2.55  { element( skol17( X ), powerset( X ) ) }.
% 2.16/2.55  { ! empty( skol18 ) }.
% 2.16/2.55  { element( skol19, positive_rationals ) }.
% 2.16/2.55  { empty( skol19 ) }.
% 2.16/2.55  { epsilon_transitive( skol19 ) }.
% 2.16/2.55  { epsilon_connected( skol19 ) }.
% 2.16/2.55  { ordinal( skol19 ) }.
% 2.16/2.55  { natural( skol19 ) }.
% 2.16/2.55  { empty( X ), ! empty( skol20( Y ) ) }.
% 2.16/2.55  { empty( X ), finite( skol20( Y ) ) }.
% 2.16/2.55  { empty( X ), element( skol20( X ), powerset( X ) ) }.
% 2.16/2.55  { relation( skol21 ) }.
% 2.16/2.55  { function( skol21 ) }.
% 2.16/2.55  { one_to_one( skol21 ) }.
% 2.16/2.55  { ! empty( skol22 ) }.
% 2.16/2.55  { epsilon_transitive( skol22 ) }.
% 2.16/2.55  { epsilon_connected( skol22 ) }.
% 2.16/2.55  { ordinal( skol22 ) }.
% 2.16/2.55  { relation( skol23 ) }.
% 2.16/2.55  { relation_empty_yielding( skol23 ) }.
% 2.16/2.55  { relation( skol24 ) }.
% 2.16/2.55  { relation_empty_yielding( skol24 ) }.
% 2.16/2.55  { function( skol24 ) }.
% 2.16/2.55  { relation( skol25 ) }.
% 2.16/2.55  { function( skol25 ) }.
% 2.16/2.55  { transfinite_sequence( skol25 ) }.
% 2.16/2.55  { relation( skol26 ) }.
% 2.16/2.55  { relation_non_empty( skol26 ) }.
% 2.16/2.55  { function( skol26 ) }.
% 2.16/2.55  { subset( X, X ) }.
% 2.16/2.55  { ! finite( X ), finite( set_difference( X, Y ) ) }.
% 2.16/2.55  { set_union2( X, empty_set ) = X }.
% 2.16/2.55  { ! in( X, Y ), element( X, Y ) }.
% 2.16/2.55  { finite( skol27 ) }.
% 2.16/2.55  { finite( skol28 ) }.
% 2.16/2.55  { ! finite( symmetric_difference( skol27, skol28 ) ) }.
% 2.16/2.55  { ! element( X, Y ), empty( Y ), in( X, Y ) }.
% 2.16/2.55  { set_difference( X, empty_set ) = X }.
% 2.16/2.55  { ! element( X, powerset( Y ) ), subset( X, Y ) }.
% 2.16/2.55  { ! subset( X, Y ), element( X, powerset( Y ) ) }.
% 2.16/2.55  { set_difference( empty_set, X ) = empty_set }.
% 2.16/2.55  { ! in( X, Z ), ! element( Z, powerset( Y ) ), element( X, Y ) }.
% 2.16/2.55  { symmetric_difference( X, empty_set ) = X }.
% 2.16/2.55  { ! in( X, Y ), ! element( Y, powerset( Z ) ), ! empty( Z ) }.
% 2.16/2.55  { ! empty( X ), X = empty_set }.
% 2.16/2.55  { ! in( X, Y ), ! empty( Y ) }.
% 2.16/2.55  { ! empty( X ), X = Y, ! empty( Y ) }.
% 2.16/2.55  
% 2.16/2.55  percentage equality = 0.045662, percentage horn = 0.973333
% 2.16/2.55  This is a problem with some equality
% 2.16/2.55  
% 2.16/2.55  
% 2.16/2.55  
% 2.16/2.55  Options Used:
% 2.16/2.55  
% 2.16/2.55  useres =            1
% 2.16/2.55  useparamod =        1
% 2.16/2.55  useeqrefl =         1
% 2.16/2.55  useeqfact =         1
% 2.16/2.55  usefactor =         1
% 2.16/2.55  usesimpsplitting =  0
% 2.16/2.55  usesimpdemod =      5
% 2.16/2.55  usesimpres =        3
% 2.16/2.55  
% 2.16/2.55  resimpinuse      =  1000
% 2.16/2.55  resimpclauses =     20000
% 2.16/2.55  substype =          eqrewr
% 2.16/2.55  backwardsubs =      1
% 2.16/2.55  selectoldest =      5
% 2.16/2.55  
% 2.16/2.55  litorderings [0] =  split
% 2.16/2.55  litorderings [1] =  extend the termordering, first sorting on arguments
% 2.16/2.55  
% 2.16/2.55  termordering =      kbo
% 2.16/2.55  
% 2.16/2.55  litapriori =        0
% 2.16/2.55  termapriori =       1
% 2.16/2.55  litaposteriori =    0
% 2.16/2.55  termaposteriori =   0
% 2.16/2.55  demodaposteriori =  0
% 2.16/2.55  ordereqreflfact =   0
% 2.16/2.55  
% 2.16/2.55  litselect =         negord
% 2.16/2.55  
% 2.16/2.55  maxweight =         15
% 2.16/2.55  maxdepth =          30000
% 2.16/2.55  maxlength =         115
% 2.16/2.55  maxnrvars =         195
% 2.16/2.55  excuselevel =       1
% 2.16/2.55  increasemaxweight = 1
% 2.16/2.55  
% 2.16/2.55  maxselected =       10000000
% 2.16/2.55  maxnrclauses =      10000000
% 2.16/2.55  
% 2.16/2.55  showgenerated =    0
% 2.16/2.55  showkept =         0
% 2.16/2.55  showselected =     0
% 2.16/2.55  showdeleted =      0
% 2.16/2.55  showresimp =       1
% 2.16/2.55  showstatus =       2000
% 2.16/2.55  
% 2.16/2.55  prologoutput =     0
% 2.16/2.55  nrgoals =          5000000
% 2.16/2.55  totalproof =       1
% 2.16/2.55  
% 2.16/2.55  Symbols occurring in the translation:
% 2.16/2.55  
% 2.16/2.55  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 2.16/2.55  .  [1, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 2.16/2.55  !  [4, 1]      (w:0, o:34, a:1, s:1, b:0), 
% 2.16/2.55  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.16/2.55  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 2.16/2.55  in  [37, 2]      (w:1, o:86, a:1, s:1, b:0), 
% 2.16/2.55  ordinal  [38, 1]      (w:1, o:40, a:1, s:1, b:0), 
% 2.16/2.55  element  [39, 2]      (w:1, o:87, a:1, s:1, b:0), 
% 2.16/2.55  epsilon_transitive  [40, 1]      (w:1, o:41, a:1, s:1, b:0), 
% 2.16/2.55  epsilon_connected  [41, 1]      (w:1, o:42, a:1, s:1, b:0), 
% 2.16/2.55  empty  [42, 1]      (w:1, o:43, a:1, s:1, b:0), 
% 2.16/2.55  finite  [43, 1]      (w:1, o:44, a:1, s:1, b:0), 
% 2.16/2.55  function  [44, 1]      (w:1, o:45, a:1, s:1, b:0), 
% 2.16/2.55  relation  [45, 1]      (w:1, o:46, a:1, s:1, b:0), 
% 2.16/2.55  natural  [46, 1]      (w:1, o:39, a:1, s:1, b:0), 
% 2.16/2.55  powerset  [47, 1]      (w:1, o:49, a:1, s:1, b:0), 
% 2.16/2.55  one_to_one  [48, 1]      (w:1, o:47, a:1, s:1, b:0), 
% 2.16/2.55  positive_rationals  [49, 0]      (w:1, o:8, a:1, s:1, b:0), 
% 2.16/2.55  set_union2  [50, 2]      (w:1, o:88, a:1, s:1, b:0), 
% 27.31/27.69  symmetric_difference  [51, 2]      (w:1, o:89, a:1, s:1, b:0), 
% 27.31/27.69  set_difference  [52, 2]      (w:1, o:90, a:1, s:1, b:0), 
% 27.31/27.69  empty_set  [53, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 27.31/27.69  relation_empty_yielding  [54, 1]      (w:1, o:50, a:1, s:1, b:0), 
% 27.31/27.69  function_yielding  [55, 1]      (w:1, o:51, a:1, s:1, b:0), 
% 27.31/27.69  being_limit_ordinal  [56, 1]      (w:1, o:54, a:1, s:1, b:0), 
% 27.31/27.69  transfinite_sequence  [57, 1]      (w:1, o:60, a:1, s:1, b:0), 
% 27.31/27.69  ordinal_yielding  [58, 1]      (w:1, o:48, a:1, s:1, b:0), 
% 27.31/27.69  relation_non_empty  [59, 1]      (w:1, o:61, a:1, s:1, b:0), 
% 27.31/27.69  subset  [60, 2]      (w:1, o:91, a:1, s:1, b:0), 
% 27.31/27.69  alpha1  [62, 1]      (w:1, o:52, a:1, s:1, b:1), 
% 27.31/27.69  alpha2  [63, 1]      (w:1, o:53, a:1, s:1, b:1), 
% 27.31/27.69  skol1  [64, 1]      (w:1, o:55, a:1, s:1, b:1), 
% 27.31/27.69  skol2  [65, 0]      (w:1, o:19, a:1, s:1, b:1), 
% 27.31/27.69  skol3  [66, 0]      (w:1, o:28, a:1, s:1, b:1), 
% 27.31/27.69  skol4  [67, 0]      (w:1, o:29, a:1, s:1, b:1), 
% 27.31/27.69  skol5  [68, 0]      (w:1, o:30, a:1, s:1, b:1), 
% 27.31/27.69  skol6  [69, 0]      (w:1, o:31, a:1, s:1, b:1), 
% 27.31/27.69  skol7  [70, 0]      (w:1, o:32, a:1, s:1, b:1), 
% 27.31/27.69  skol8  [71, 0]      (w:1, o:33, a:1, s:1, b:1), 
% 27.31/27.69  skol9  [72, 1]      (w:1, o:56, a:1, s:1, b:1), 
% 27.31/27.69  skol10  [73, 0]      (w:1, o:11, a:1, s:1, b:1), 
% 27.31/27.69  skol11  [74, 0]      (w:1, o:12, a:1, s:1, b:1), 
% 27.31/27.69  skol12  [75, 1]      (w:1, o:57, a:1, s:1, b:1), 
% 27.31/27.69  skol13  [76, 0]      (w:1, o:13, a:1, s:1, b:1), 
% 27.31/27.69  skol14  [77, 0]      (w:1, o:14, a:1, s:1, b:1), 
% 27.31/27.69  skol15  [78, 0]      (w:1, o:15, a:1, s:1, b:1), 
% 27.31/27.69  skol16  [79, 0]      (w:1, o:16, a:1, s:1, b:1), 
% 27.31/27.69  skol17  [80, 1]      (w:1, o:58, a:1, s:1, b:1), 
% 27.31/27.69  skol18  [81, 0]      (w:1, o:17, a:1, s:1, b:1), 
% 27.31/27.69  skol19  [82, 0]      (w:1, o:18, a:1, s:1, b:1), 
% 27.31/27.69  skol20  [83, 1]      (w:1, o:59, a:1, s:1, b:1), 
% 27.31/27.69  skol21  [84, 0]      (w:1, o:20, a:1, s:1, b:1), 
% 27.31/27.69  skol22  [85, 0]      (w:1, o:21, a:1, s:1, b:1), 
% 27.31/27.69  skol23  [86, 0]      (w:1, o:22, a:1, s:1, b:1), 
% 27.31/27.69  skol24  [87, 0]      (w:1, o:23, a:1, s:1, b:1), 
% 27.31/27.69  skol25  [88, 0]      (w:1, o:24, a:1, s:1, b:1), 
% 27.31/27.69  skol26  [89, 0]      (w:1, o:25, a:1, s:1, b:1), 
% 27.31/27.69  skol27  [90, 0]      (w:1, o:26, a:1, s:1, b:1), 
% 27.31/27.69  skol28  [91, 0]      (w:1, o:27, a:1, s:1, b:1).
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Starting Search:
% 27.31/27.69  
% 27.31/27.69  *** allocated 15000 integers for clauses
% 27.31/27.69  *** allocated 22500 integers for clauses
% 27.31/27.69  *** allocated 33750 integers for clauses
% 27.31/27.69  *** allocated 50625 integers for clauses
% 27.31/27.69  *** allocated 75937 integers for clauses
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 15000 integers for termspace/termends
% 27.31/27.69  *** allocated 113905 integers for clauses
% 27.31/27.69  *** allocated 22500 integers for termspace/termends
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    6535
% 27.31/27.69  Kept:         2000
% 27.31/27.69  Inuse:        521
% 27.31/27.69  Deleted:      152
% 27.31/27.69  Deletedinuse: 100
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 170857 integers for clauses
% 27.31/27.69  *** allocated 33750 integers for termspace/termends
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 50625 integers for termspace/termends
% 27.31/27.69  *** allocated 256285 integers for clauses
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    11525
% 27.31/27.69  Kept:         4004
% 27.31/27.69  Inuse:        708
% 27.31/27.69  Deleted:      182
% 27.31/27.69  Deletedinuse: 100
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 75937 integers for termspace/termends
% 27.31/27.69  *** allocated 384427 integers for clauses
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    14607
% 27.31/27.69  Kept:         6019
% 27.31/27.69  Inuse:        765
% 27.31/27.69  Deleted:      184
% 27.31/27.69  Deletedinuse: 100
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 113905 integers for termspace/termends
% 27.31/27.69  *** allocated 576640 integers for clauses
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    20832
% 27.31/27.69  Kept:         8517
% 27.31/27.69  Inuse:        866
% 27.31/27.69  Deleted:      185
% 27.31/27.69  Deletedinuse: 100
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 170857 integers for termspace/termends
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    24346
% 27.31/27.69  Kept:         10788
% 27.31/27.69  Inuse:        881
% 27.31/27.69  Deleted:      186
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 864960 integers for clauses
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    27669
% 27.31/27.69  Kept:         12849
% 27.31/27.69  Inuse:        912
% 27.31/27.69  Deleted:      190
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    30339
% 27.31/27.69  Kept:         14879
% 27.31/27.69  Inuse:        931
% 27.31/27.69  Deleted:      190
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 256285 integers for termspace/termends
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    32938
% 27.31/27.69  Kept:         16891
% 27.31/27.69  Inuse:        958
% 27.31/27.69  Deleted:      197
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 1297440 integers for clauses
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    35524
% 27.31/27.69  Kept:         18892
% 27.31/27.69  Inuse:        982
% 27.31/27.69  Deleted:      202
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying clauses:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    38296
% 27.31/27.69  Kept:         20967
% 27.31/27.69  Inuse:        998
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    40942
% 27.31/27.69  Kept:         23049
% 27.31/27.69  Inuse:        1013
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 384427 integers for termspace/termends
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    43572
% 27.31/27.69  Kept:         25126
% 27.31/27.69  Inuse:        1027
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 1946160 integers for clauses
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    46177
% 27.31/27.69  Kept:         27192
% 27.31/27.69  Inuse:        1040
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    49368
% 27.31/27.69  Kept:         29240
% 27.31/27.69  Inuse:        1055
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    52986
% 27.31/27.69  Kept:         31316
% 27.31/27.69  Inuse:        1071
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    56666
% 27.31/27.69  Kept:         33356
% 27.31/27.69  Inuse:        1086
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    60217
% 27.31/27.69  Kept:         35559
% 27.31/27.69  Inuse:        1097
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  *** allocated 576640 integers for termspace/termends
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    63482
% 27.31/27.69  Kept:         37851
% 27.31/27.69  Inuse:        1102
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  *** allocated 2919240 integers for clauses
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    66811
% 27.31/27.69  Kept:         40186
% 27.31/27.69  Inuse:        1107
% 27.31/27.69  Deleted:      398
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying clauses:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    70101
% 27.31/27.69  Kept:         42304
% 27.31/27.69  Inuse:        1140
% 27.31/27.69  Deleted:      418
% 27.31/27.69  Deletedinuse: 101
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    73450
% 27.31/27.69  Kept:         44761
% 27.31/27.69  Inuse:        1159
% 27.31/27.69  Deleted:      419
% 27.31/27.69  Deletedinuse: 102
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Intermediate Status:
% 27.31/27.69  Generated:    76354
% 27.31/27.69  Kept:         46763
% 27.31/27.69  Inuse:        1181
% 27.31/27.69  Deleted:      419
% 27.31/27.69  Deletedinuse: 102
% 27.31/27.69  
% 27.31/27.69  Resimplifying inuse:
% 27.31/27.69  Done
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Bliksems!, er is een bewijs:
% 27.31/27.69  % SZS status Theorem
% 27.31/27.69  % SZS output start Refutation
% 27.31/27.69  
% 27.31/27.69  (28) {G0,W7,D3,L1,V2,M1} I { symmetric_difference( X, Y ) = 
% 27.31/27.69    symmetric_difference( Y, X ) }.
% 27.31/27.69  (29) {G0,W11,D4,L1,V2,M1} I { set_union2( set_difference( X, Y ), 
% 27.31/27.69    set_difference( Y, X ) ) ==> symmetric_difference( X, Y ) }.
% 27.31/27.69  (31) {G0,W6,D3,L2,V2,M2} I { ! finite( X ), finite( set_difference( X, Y )
% 27.31/27.69     ) }.
% 27.31/27.69  (46) {G0,W8,D3,L3,V2,M3} I { ! finite( X ), ! finite( Y ), finite( 
% 27.31/27.69    set_union2( X, Y ) ) }.
% 27.31/27.69  (136) {G0,W2,D2,L1,V0,M1} I { finite( skol27 ) }.
% 27.31/27.69  (137) {G0,W2,D2,L1,V0,M1} I { finite( skol28 ) }.
% 27.31/27.69  (138) {G0,W4,D3,L1,V0,M1} I { ! finite( symmetric_difference( skol27, 
% 27.31/27.69    skol28 ) ) }.
% 27.31/27.69  (318) {G1,W4,D3,L1,V1,M1} R(31,136) { finite( set_difference( skol27, X ) )
% 27.31/27.69     }.
% 27.31/27.69  (319) {G1,W4,D3,L1,V1,M1} R(31,137) { finite( set_difference( skol28, X ) )
% 27.31/27.69     }.
% 27.31/27.69  (513) {G1,W12,D3,L3,V2,M3} P(29,46) { ! finite( set_difference( X, Y ) ), !
% 27.31/27.69     finite( set_difference( Y, X ) ), finite( symmetric_difference( X, Y ) )
% 27.31/27.69     }.
% 27.31/27.69  (705) {G1,W4,D3,L1,V0,M1} P(28,138) { ! finite( symmetric_difference( 
% 27.31/27.69    skol28, skol27 ) ) }.
% 27.31/27.69  (47956) {G2,W4,D3,L1,V0,M1} R(513,705);r(319) { ! finite( set_difference( 
% 27.31/27.69    skol27, skol28 ) ) }.
% 27.31/27.69  (47967) {G3,W0,D0,L0,V0,M0} S(47956);r(318) {  }.
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  % SZS output end Refutation
% 27.31/27.69  found a proof!
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Unprocessed initial clauses:
% 27.31/27.69  
% 27.31/27.69  (47969) {G0,W6,D2,L2,V2,M2}  { ! in( X, Y ), ! in( Y, X ) }.
% 27.31/27.69  (47970) {G0,W7,D2,L3,V2,M3}  { ! ordinal( X ), ! element( Y, X ), 
% 27.31/27.69    epsilon_transitive( Y ) }.
% 27.31/27.69  (47971) {G0,W7,D2,L3,V2,M3}  { ! ordinal( X ), ! element( Y, X ), 
% 27.31/27.69    epsilon_connected( Y ) }.
% 27.31/27.69  (47972) {G0,W7,D2,L3,V2,M3}  { ! ordinal( X ), ! element( Y, X ), ordinal( 
% 27.31/27.69    Y ) }.
% 27.31/27.69  (47973) {G0,W4,D2,L2,V1,M2}  { ! empty( X ), finite( X ) }.
% 27.31/27.69  (47974) {G0,W4,D2,L2,V1,M2}  { ! empty( X ), function( X ) }.
% 27.31/27.69  (47975) {G0,W4,D2,L2,V1,M2}  { ! ordinal( X ), epsilon_transitive( X ) }.
% 27.31/27.69  (47976) {G0,W4,D2,L2,V1,M2}  { ! ordinal( X ), epsilon_connected( X ) }.
% 27.31/27.69  (47977) {G0,W4,D2,L2,V1,M2}  { ! empty( X ), relation( X ) }.
% 27.31/27.69  (47978) {G0,W6,D2,L3,V1,M3}  { ! empty( X ), ! ordinal( X ), alpha1( X )
% 27.31/27.69     }.
% 27.31/27.69  (47979) {G0,W6,D2,L3,V1,M3}  { ! empty( X ), ! ordinal( X ), natural( X )
% 27.31/27.69     }.
% 27.31/27.69  (47980) {G0,W4,D2,L2,V1,M2}  { ! alpha1( X ), epsilon_transitive( X ) }.
% 27.31/27.69  (47981) {G0,W4,D2,L2,V1,M2}  { ! alpha1( X ), epsilon_connected( X ) }.
% 27.31/27.69  (47982) {G0,W4,D2,L2,V1,M2}  { ! alpha1( X ), ordinal( X ) }.
% 27.31/27.69  (47983) {G0,W8,D2,L4,V1,M4}  { ! epsilon_transitive( X ), ! 
% 27.31/27.69    epsilon_connected( X ), ! ordinal( X ), alpha1( X ) }.
% 27.31/27.69  (47984) {G0,W8,D3,L3,V2,M3}  { ! finite( X ), ! element( Y, powerset( X ) )
% 27.31/27.69    , finite( Y ) }.
% 27.31/27.69  (47985) {G0,W8,D2,L4,V1,M4}  { ! relation( X ), ! empty( X ), ! function( X
% 27.31/27.69     ), relation( X ) }.
% 27.31/27.69  (47986) {G0,W8,D2,L4,V1,M4}  { ! relation( X ), ! empty( X ), ! function( X
% 27.31/27.69     ), function( X ) }.
% 27.31/27.69  (47987) {G0,W8,D2,L4,V1,M4}  { ! relation( X ), ! empty( X ), ! function( X
% 27.31/27.69     ), one_to_one( X ) }.
% 27.31/27.69  (47988) {G0,W6,D2,L3,V1,M3}  { ! epsilon_transitive( X ), ! 
% 27.31/27.69    epsilon_connected( X ), ordinal( X ) }.
% 27.31/27.69  (47989) {G0,W4,D2,L2,V1,M2}  { ! empty( X ), epsilon_transitive( X ) }.
% 27.31/27.69  (47990) {G0,W4,D2,L2,V1,M2}  { ! empty( X ), epsilon_connected( X ) }.
% 27.31/27.69  (47991) {G0,W4,D2,L2,V1,M2}  { ! empty( X ), ordinal( X ) }.
% 27.31/27.69  (47992) {G0,W7,D2,L3,V1,M3}  { ! element( X, positive_rationals ), ! 
% 27.31/27.69    ordinal( X ), alpha2( X ) }.
% 27.31/27.69  (47993) {G0,W7,D2,L3,V1,M3}  { ! element( X, positive_rationals ), ! 
% 27.31/27.69    ordinal( X ), natural( X ) }.
% 27.31/27.69  (47994) {G0,W4,D2,L2,V1,M2}  { ! alpha2( X ), epsilon_transitive( X ) }.
% 27.31/27.69  (47995) {G0,W4,D2,L2,V1,M2}  { ! alpha2( X ), epsilon_connected( X ) }.
% 27.31/27.69  (47996) {G0,W4,D2,L2,V1,M2}  { ! alpha2( X ), ordinal( X ) }.
% 27.31/27.69  (47997) {G0,W8,D2,L4,V1,M4}  { ! epsilon_transitive( X ), ! 
% 27.31/27.69    epsilon_connected( X ), ! ordinal( X ), alpha2( X ) }.
% 27.31/27.69  (47998) {G0,W7,D3,L1,V2,M1}  { set_union2( X, Y ) = set_union2( Y, X ) }.
% 27.31/27.69  (47999) {G0,W7,D3,L1,V2,M1}  { symmetric_difference( X, Y ) = 
% 27.31/27.69    symmetric_difference( Y, X ) }.
% 27.31/27.69  (48000) {G0,W11,D4,L1,V2,M1}  { symmetric_difference( X, Y ) = set_union2( 
% 27.31/27.69    set_difference( X, Y ), set_difference( Y, X ) ) }.
% 27.31/27.69  (48001) {G0,W4,D3,L1,V1,M1}  { element( skol1( X ), X ) }.
% 27.31/27.69  (48002) {G0,W6,D3,L2,V2,M2}  { ! finite( X ), finite( set_difference( X, Y
% 27.31/27.69     ) ) }.
% 27.31/27.69  (48003) {G0,W2,D2,L1,V0,M1}  { empty( empty_set ) }.
% 27.31/27.69  (48004) {G0,W2,D2,L1,V0,M1}  { relation( empty_set ) }.
% 27.31/27.69  (48005) {G0,W2,D2,L1,V0,M1}  { relation_empty_yielding( empty_set ) }.
% 27.31/27.69  (48006) {G0,W3,D3,L1,V1,M1}  { ! empty( powerset( X ) ) }.
% 27.31/27.69  (48007) {G0,W2,D2,L1,V0,M1}  { empty( empty_set ) }.
% 27.31/27.69  (48008) {G0,W2,D2,L1,V0,M1}  { relation( empty_set ) }.
% 27.31/27.69  (48009) {G0,W2,D2,L1,V0,M1}  { relation_empty_yielding( empty_set ) }.
% 27.31/27.69  (48010) {G0,W2,D2,L1,V0,M1}  { function( empty_set ) }.
% 27.31/27.69  (48011) {G0,W2,D2,L1,V0,M1}  { one_to_one( empty_set ) }.
% 27.31/27.69  (48012) {G0,W2,D2,L1,V0,M1}  { empty( empty_set ) }.
% 27.31/27.69  (48013) {G0,W2,D2,L1,V0,M1}  { epsilon_transitive( empty_set ) }.
% 27.31/27.69  (48014) {G0,W2,D2,L1,V0,M1}  { epsilon_connected( empty_set ) }.
% 27.31/27.69  (48015) {G0,W2,D2,L1,V0,M1}  { ordinal( empty_set ) }.
% 27.31/27.69  (48016) {G0,W8,D3,L3,V2,M3}  { ! relation( X ), ! relation( Y ), relation( 
% 27.31/27.69    set_union2( X, Y ) ) }.
% 27.31/27.69  (48017) {G0,W6,D3,L2,V2,M2}  { empty( X ), ! empty( set_union2( X, Y ) )
% 27.31/27.69     }.
% 27.31/27.69  (48018) {G0,W8,D3,L3,V2,M3}  { ! relation( X ), ! relation( Y ), relation( 
% 27.31/27.69    set_difference( X, Y ) ) }.
% 27.31/27.69  (48019) {G0,W6,D3,L2,V2,M2}  { empty( X ), ! empty( set_union2( Y, X ) )
% 27.31/27.69     }.
% 27.31/27.69  (48020) {G0,W2,D2,L1,V0,M1}  { empty( empty_set ) }.
% 27.31/27.69  (48021) {G0,W2,D2,L1,V0,M1}  { relation( empty_set ) }.
% 27.31/27.69  (48022) {G0,W2,D2,L1,V0,M1}  { ! empty( positive_rationals ) }.
% 27.31/27.69  (48023) {G0,W8,D3,L3,V2,M3}  { ! finite( X ), ! finite( Y ), finite( 
% 27.31/27.69    set_union2( X, Y ) ) }.
% 27.31/27.69  (48024) {G0,W5,D3,L1,V1,M1}  { set_union2( X, X ) = X }.
% 27.31/27.69  (48025) {G0,W8,D3,L3,V2,M3}  { ! finite( X ), ! finite( Y ), finite( 
% 27.31/27.69    set_union2( X, Y ) ) }.
% 27.31/27.69  (48026) {G0,W2,D2,L1,V0,M1}  { ! empty( skol2 ) }.
% 27.31/27.69  (48027) {G0,W2,D2,L1,V0,M1}  { epsilon_transitive( skol2 ) }.
% 27.31/27.69  (48028) {G0,W2,D2,L1,V0,M1}  { epsilon_connected( skol2 ) }.
% 27.31/27.69  (48029) {G0,W2,D2,L1,V0,M1}  { ordinal( skol2 ) }.
% 27.31/27.69  (48030) {G0,W2,D2,L1,V0,M1}  { natural( skol2 ) }.
% 27.31/27.69  (48031) {G0,W2,D2,L1,V0,M1}  { ! empty( skol3 ) }.
% 27.31/27.69  (48032) {G0,W2,D2,L1,V0,M1}  { finite( skol3 ) }.
% 27.31/27.69  (48033) {G0,W2,D2,L1,V0,M1}  { relation( skol4 ) }.
% 27.31/27.69  (48034) {G0,W2,D2,L1,V0,M1}  { function( skol4 ) }.
% 27.31/27.69  (48035) {G0,W2,D2,L1,V0,M1}  { function_yielding( skol4 ) }.
% 27.31/27.69  (48036) {G0,W2,D2,L1,V0,M1}  { relation( skol5 ) }.
% 27.31/27.69  (48037) {G0,W2,D2,L1,V0,M1}  { function( skol5 ) }.
% 27.31/27.69  (48038) {G0,W2,D2,L1,V0,M1}  { epsilon_transitive( skol6 ) }.
% 27.31/27.69  (48039) {G0,W2,D2,L1,V0,M1}  { epsilon_connected( skol6 ) }.
% 27.31/27.69  (48040) {G0,W2,D2,L1,V0,M1}  { ordinal( skol6 ) }.
% 27.31/27.69  (48041) {G0,W2,D2,L1,V0,M1}  { epsilon_transitive( skol7 ) }.
% 27.31/27.69  (48042) {G0,W2,D2,L1,V0,M1}  { epsilon_connected( skol7 ) }.
% 27.31/27.69  (48043) {G0,W2,D2,L1,V0,M1}  { ordinal( skol7 ) }.
% 27.31/27.69  (48044) {G0,W2,D2,L1,V0,M1}  { being_limit_ordinal( skol7 ) }.
% 27.31/27.69  (48045) {G0,W2,D2,L1,V0,M1}  { empty( skol8 ) }.
% 27.31/27.69  (48046) {G0,W2,D2,L1,V0,M1}  { relation( skol8 ) }.
% 27.31/27.69  (48047) {G0,W5,D3,L2,V2,M2}  { empty( X ), ! empty( skol9( Y ) ) }.
% 27.31/27.69  (48048) {G0,W7,D3,L2,V1,M2}  { empty( X ), element( skol9( X ), powerset( X
% 27.31/27.69     ) ) }.
% 27.31/27.69  (48049) {G0,W2,D2,L1,V0,M1}  { empty( skol10 ) }.
% 27.31/27.69  (48050) {G0,W3,D2,L1,V0,M1}  { element( skol11, positive_rationals ) }.
% 27.31/27.69  (48051) {G0,W2,D2,L1,V0,M1}  { ! empty( skol11 ) }.
% 27.31/27.69  (48052) {G0,W2,D2,L1,V0,M1}  { epsilon_transitive( skol11 ) }.
% 27.31/27.69  (48053) {G0,W2,D2,L1,V0,M1}  { epsilon_connected( skol11 ) }.
% 27.31/27.69  (48054) {G0,W2,D2,L1,V0,M1}  { ordinal( skol11 ) }.
% 27.31/27.69  (48055) {G0,W3,D3,L1,V1,M1}  { empty( skol12( Y ) ) }.
% 27.31/27.69  (48056) {G0,W3,D3,L1,V1,M1}  { relation( skol12( Y ) ) }.
% 27.31/27.69  (48057) {G0,W3,D3,L1,V1,M1}  { function( skol12( Y ) ) }.
% 27.31/27.69  (48058) {G0,W3,D3,L1,V1,M1}  { one_to_one( skol12( Y ) ) }.
% 27.31/27.69  (48059) {G0,W3,D3,L1,V1,M1}  { epsilon_transitive( skol12( Y ) ) }.
% 27.31/27.69  (48060) {G0,W3,D3,L1,V1,M1}  { epsilon_connected( skol12( Y ) ) }.
% 27.31/27.69  (48061) {G0,W3,D3,L1,V1,M1}  { ordinal( skol12( Y ) ) }.
% 27.31/27.69  (48062) {G0,W3,D3,L1,V1,M1}  { natural( skol12( Y ) ) }.
% 27.31/27.69  (48063) {G0,W3,D3,L1,V1,M1}  { finite( skol12( Y ) ) }.
% 27.31/27.69  (48064) {G0,W5,D3,L1,V1,M1}  { element( skol12( X ), powerset( X ) ) }.
% 27.31/27.69  (48065) {G0,W2,D2,L1,V0,M1}  { relation( skol13 ) }.
% 27.31/27.69  (48066) {G0,W2,D2,L1,V0,M1}  { empty( skol13 ) }.
% 27.31/27.69  (48067) {G0,W2,D2,L1,V0,M1}  { function( skol13 ) }.
% 27.31/27.69  (48068) {G0,W2,D2,L1,V0,M1}  { relation( skol14 ) }.
% 27.31/27.69  (48069) {G0,W2,D2,L1,V0,M1}  { function( skol14 ) }.
% 27.31/27.69  (48070) {G0,W2,D2,L1,V0,M1}  { one_to_one( skol14 ) }.
% 27.31/27.69  (48071) {G0,W2,D2,L1,V0,M1}  { empty( skol14 ) }.
% 27.31/27.69  (48072) {G0,W2,D2,L1,V0,M1}  { epsilon_transitive( skol14 ) }.
% 27.31/27.69  (48073) {G0,W2,D2,L1,V0,M1}  { epsilon_connected( skol14 ) }.
% 27.31/27.69  (48074) {G0,W2,D2,L1,V0,M1}  { ordinal( skol14 ) }.
% 27.31/27.69  (48075) {G0,W2,D2,L1,V0,M1}  { relation( skol15 ) }.
% 27.31/27.69  (48076) {G0,W2,D2,L1,V0,M1}  { function( skol15 ) }.
% 27.31/27.69  (48077) {G0,W2,D2,L1,V0,M1}  { transfinite_sequence( skol15 ) }.
% 27.31/27.69  (48078) {G0,W2,D2,L1,V0,M1}  { ordinal_yielding( skol15 ) }.
% 27.31/27.69  (48079) {G0,W2,D2,L1,V0,M1}  { ! empty( skol16 ) }.
% 27.31/27.69  (48080) {G0,W2,D2,L1,V0,M1}  { relation( skol16 ) }.
% 27.31/27.69  (48081) {G0,W3,D3,L1,V1,M1}  { empty( skol17( Y ) ) }.
% 27.31/27.69  (48082) {G0,W5,D3,L1,V1,M1}  { element( skol17( X ), powerset( X ) ) }.
% 27.31/27.69  (48083) {G0,W2,D2,L1,V0,M1}  { ! empty( skol18 ) }.
% 27.31/27.69  (48084) {G0,W3,D2,L1,V0,M1}  { element( skol19, positive_rationals ) }.
% 27.31/27.69  (48085) {G0,W2,D2,L1,V0,M1}  { empty( skol19 ) }.
% 27.31/27.69  (48086) {G0,W2,D2,L1,V0,M1}  { epsilon_transitive( skol19 ) }.
% 27.31/27.69  (48087) {G0,W2,D2,L1,V0,M1}  { epsilon_connected( skol19 ) }.
% 27.31/27.69  (48088) {G0,W2,D2,L1,V0,M1}  { ordinal( skol19 ) }.
% 27.31/27.69  (48089) {G0,W2,D2,L1,V0,M1}  { natural( skol19 ) }.
% 27.31/27.69  (48090) {G0,W5,D3,L2,V2,M2}  { empty( X ), ! empty( skol20( Y ) ) }.
% 27.31/27.69  (48091) {G0,W5,D3,L2,V2,M2}  { empty( X ), finite( skol20( Y ) ) }.
% 27.31/27.69  (48092) {G0,W7,D3,L2,V1,M2}  { empty( X ), element( skol20( X ), powerset( 
% 27.31/27.69    X ) ) }.
% 27.31/27.69  (48093) {G0,W2,D2,L1,V0,M1}  { relation( skol21 ) }.
% 27.31/27.69  (48094) {G0,W2,D2,L1,V0,M1}  { function( skol21 ) }.
% 27.31/27.69  (48095) {G0,W2,D2,L1,V0,M1}  { one_to_one( skol21 ) }.
% 27.31/27.69  (48096) {G0,W2,D2,L1,V0,M1}  { ! empty( skol22 ) }.
% 27.31/27.69  (48097) {G0,W2,D2,L1,V0,M1}  { epsilon_transitive( skol22 ) }.
% 27.31/27.69  (48098) {G0,W2,D2,L1,V0,M1}  { epsilon_connected( skol22 ) }.
% 27.31/27.69  (48099) {G0,W2,D2,L1,V0,M1}  { ordinal( skol22 ) }.
% 27.31/27.69  (48100) {G0,W2,D2,L1,V0,M1}  { relation( skol23 ) }.
% 27.31/27.69  (48101) {G0,W2,D2,L1,V0,M1}  { relation_empty_yielding( skol23 ) }.
% 27.31/27.69  (48102) {G0,W2,D2,L1,V0,M1}  { relation( skol24 ) }.
% 27.31/27.69  (48103) {G0,W2,D2,L1,V0,M1}  { relation_empty_yielding( skol24 ) }.
% 27.31/27.69  (48104) {G0,W2,D2,L1,V0,M1}  { function( skol24 ) }.
% 27.31/27.69  (48105) {G0,W2,D2,L1,V0,M1}  { relation( skol25 ) }.
% 27.31/27.69  (48106) {G0,W2,D2,L1,V0,M1}  { function( skol25 ) }.
% 27.31/27.69  (48107) {G0,W2,D2,L1,V0,M1}  { transfinite_sequence( skol25 ) }.
% 27.31/27.69  (48108) {G0,W2,D2,L1,V0,M1}  { relation( skol26 ) }.
% 27.31/27.69  (48109) {G0,W2,D2,L1,V0,M1}  { relation_non_empty( skol26 ) }.
% 27.31/27.69  (48110) {G0,W2,D2,L1,V0,M1}  { function( skol26 ) }.
% 27.31/27.69  (48111) {G0,W3,D2,L1,V1,M1}  { subset( X, X ) }.
% 27.31/27.69  (48112) {G0,W6,D3,L2,V2,M2}  { ! finite( X ), finite( set_difference( X, Y
% 27.31/27.69     ) ) }.
% 27.31/27.69  (48113) {G0,W5,D3,L1,V1,M1}  { set_union2( X, empty_set ) = X }.
% 27.31/27.69  (48114) {G0,W6,D2,L2,V2,M2}  { ! in( X, Y ), element( X, Y ) }.
% 27.31/27.69  (48115) {G0,W2,D2,L1,V0,M1}  { finite( skol27 ) }.
% 27.31/27.69  (48116) {G0,W2,D2,L1,V0,M1}  { finite( skol28 ) }.
% 27.31/27.69  (48117) {G0,W4,D3,L1,V0,M1}  { ! finite( symmetric_difference( skol27, 
% 27.31/27.69    skol28 ) ) }.
% 27.31/27.69  (48118) {G0,W8,D2,L3,V2,M3}  { ! element( X, Y ), empty( Y ), in( X, Y )
% 27.31/27.69     }.
% 27.31/27.69  (48119) {G0,W5,D3,L1,V1,M1}  { set_difference( X, empty_set ) = X }.
% 27.31/27.69  (48120) {G0,W7,D3,L2,V2,M2}  { ! element( X, powerset( Y ) ), subset( X, Y
% 27.31/27.69     ) }.
% 27.31/27.69  (48121) {G0,W7,D3,L2,V2,M2}  { ! subset( X, Y ), element( X, powerset( Y )
% 27.31/27.69     ) }.
% 27.31/27.69  (48122) {G0,W5,D3,L1,V1,M1}  { set_difference( empty_set, X ) = empty_set
% 27.31/27.69     }.
% 27.31/27.69  (48123) {G0,W10,D3,L3,V3,M3}  { ! in( X, Z ), ! element( Z, powerset( Y ) )
% 27.31/27.69    , element( X, Y ) }.
% 27.31/27.69  (48124) {G0,W5,D3,L1,V1,M1}  { symmetric_difference( X, empty_set ) = X }.
% 27.31/27.69  (48125) {G0,W9,D3,L3,V3,M3}  { ! in( X, Y ), ! element( Y, powerset( Z ) )
% 27.31/27.69    , ! empty( Z ) }.
% 27.31/27.69  (48126) {G0,W5,D2,L2,V1,M2}  { ! empty( X ), X = empty_set }.
% 27.31/27.69  (48127) {G0,W5,D2,L2,V2,M2}  { ! in( X, Y ), ! empty( Y ) }.
% 27.31/27.69  (48128) {G0,W7,D2,L3,V2,M3}  { ! empty( X ), X = Y, ! empty( Y ) }.
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Total Proof:
% 27.31/27.69  
% 27.31/27.69  subsumption: (28) {G0,W7,D3,L1,V2,M1} I { symmetric_difference( X, Y ) = 
% 27.31/27.69    symmetric_difference( Y, X ) }.
% 27.31/27.69  parent0: (47999) {G0,W7,D3,L1,V2,M1}  { symmetric_difference( X, Y ) = 
% 27.31/27.69    symmetric_difference( Y, X ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := X
% 27.31/27.69     Y := Y
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  eqswap: (48131) {G0,W11,D4,L1,V2,M1}  { set_union2( set_difference( X, Y )
% 27.31/27.69    , set_difference( Y, X ) ) = symmetric_difference( X, Y ) }.
% 27.31/27.69  parent0[0]: (48000) {G0,W11,D4,L1,V2,M1}  { symmetric_difference( X, Y ) = 
% 27.31/27.69    set_union2( set_difference( X, Y ), set_difference( Y, X ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := X
% 27.31/27.69     Y := Y
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (29) {G0,W11,D4,L1,V2,M1} I { set_union2( set_difference( X, Y
% 27.31/27.69     ), set_difference( Y, X ) ) ==> symmetric_difference( X, Y ) }.
% 27.31/27.69  parent0: (48131) {G0,W11,D4,L1,V2,M1}  { set_union2( set_difference( X, Y )
% 27.31/27.69    , set_difference( Y, X ) ) = symmetric_difference( X, Y ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := X
% 27.31/27.69     Y := Y
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (31) {G0,W6,D3,L2,V2,M2} I { ! finite( X ), finite( 
% 27.31/27.69    set_difference( X, Y ) ) }.
% 27.31/27.69  parent0: (48002) {G0,W6,D3,L2,V2,M2}  { ! finite( X ), finite( 
% 27.31/27.69    set_difference( X, Y ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := X
% 27.31/27.69     Y := Y
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69     1 ==> 1
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (46) {G0,W8,D3,L3,V2,M3} I { ! finite( X ), ! finite( Y ), 
% 27.31/27.69    finite( set_union2( X, Y ) ) }.
% 27.31/27.69  parent0: (48023) {G0,W8,D3,L3,V2,M3}  { ! finite( X ), ! finite( Y ), 
% 27.31/27.69    finite( set_union2( X, Y ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := X
% 27.31/27.69     Y := Y
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69     1 ==> 1
% 27.31/27.69     2 ==> 2
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (136) {G0,W2,D2,L1,V0,M1} I { finite( skol27 ) }.
% 27.31/27.69  parent0: (48115) {G0,W2,D2,L1,V0,M1}  { finite( skol27 ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (137) {G0,W2,D2,L1,V0,M1} I { finite( skol28 ) }.
% 27.31/27.69  parent0: (48116) {G0,W2,D2,L1,V0,M1}  { finite( skol28 ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (138) {G0,W4,D3,L1,V0,M1} I { ! finite( symmetric_difference( 
% 27.31/27.69    skol27, skol28 ) ) }.
% 27.31/27.69  parent0: (48117) {G0,W4,D3,L1,V0,M1}  { ! finite( symmetric_difference( 
% 27.31/27.69    skol27, skol28 ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  resolution: (48163) {G1,W4,D3,L1,V1,M1}  { finite( set_difference( skol27, 
% 27.31/27.69    X ) ) }.
% 27.31/27.69  parent0[0]: (31) {G0,W6,D3,L2,V2,M2} I { ! finite( X ), finite( 
% 27.31/27.69    set_difference( X, Y ) ) }.
% 27.31/27.69  parent1[0]: (136) {G0,W2,D2,L1,V0,M1} I { finite( skol27 ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := skol27
% 27.31/27.69     Y := X
% 27.31/27.69  end
% 27.31/27.69  substitution1:
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (318) {G1,W4,D3,L1,V1,M1} R(31,136) { finite( set_difference( 
% 27.31/27.69    skol27, X ) ) }.
% 27.31/27.69  parent0: (48163) {G1,W4,D3,L1,V1,M1}  { finite( set_difference( skol27, X )
% 27.31/27.69     ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := X
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  resolution: (48164) {G1,W4,D3,L1,V1,M1}  { finite( set_difference( skol28, 
% 27.31/27.69    X ) ) }.
% 27.31/27.69  parent0[0]: (31) {G0,W6,D3,L2,V2,M2} I { ! finite( X ), finite( 
% 27.31/27.69    set_difference( X, Y ) ) }.
% 27.31/27.69  parent1[0]: (137) {G0,W2,D2,L1,V0,M1} I { finite( skol28 ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := skol28
% 27.31/27.69     Y := X
% 27.31/27.69  end
% 27.31/27.69  substitution1:
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (319) {G1,W4,D3,L1,V1,M1} R(31,137) { finite( set_difference( 
% 27.31/27.69    skol28, X ) ) }.
% 27.31/27.69  parent0: (48164) {G1,W4,D3,L1,V1,M1}  { finite( set_difference( skol28, X )
% 27.31/27.69     ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := X
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  paramod: (48166) {G1,W12,D3,L3,V2,M3}  { finite( symmetric_difference( X, Y
% 27.31/27.69     ) ), ! finite( set_difference( X, Y ) ), ! finite( set_difference( Y, X
% 27.31/27.69     ) ) }.
% 27.31/27.69  parent0[0]: (29) {G0,W11,D4,L1,V2,M1} I { set_union2( set_difference( X, Y
% 27.31/27.69     ), set_difference( Y, X ) ) ==> symmetric_difference( X, Y ) }.
% 27.31/27.69  parent1[2; 1]: (46) {G0,W8,D3,L3,V2,M3} I { ! finite( X ), ! finite( Y ), 
% 27.31/27.69    finite( set_union2( X, Y ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := X
% 27.31/27.69     Y := Y
% 27.31/27.69  end
% 27.31/27.69  substitution1:
% 27.31/27.69     X := set_difference( X, Y )
% 27.31/27.69     Y := set_difference( Y, X )
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (513) {G1,W12,D3,L3,V2,M3} P(29,46) { ! finite( set_difference
% 27.31/27.69    ( X, Y ) ), ! finite( set_difference( Y, X ) ), finite( 
% 27.31/27.69    symmetric_difference( X, Y ) ) }.
% 27.31/27.69  parent0: (48166) {G1,W12,D3,L3,V2,M3}  { finite( symmetric_difference( X, Y
% 27.31/27.69     ) ), ! finite( set_difference( X, Y ) ), ! finite( set_difference( Y, X
% 27.31/27.69     ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := X
% 27.31/27.69     Y := Y
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 2
% 27.31/27.69     1 ==> 0
% 27.31/27.69     2 ==> 1
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  paramod: (48168) {G1,W4,D3,L1,V0,M1}  { ! finite( symmetric_difference( 
% 27.31/27.69    skol28, skol27 ) ) }.
% 27.31/27.69  parent0[0]: (28) {G0,W7,D3,L1,V2,M1} I { symmetric_difference( X, Y ) = 
% 27.31/27.69    symmetric_difference( Y, X ) }.
% 27.31/27.69  parent1[0; 2]: (138) {G0,W4,D3,L1,V0,M1} I { ! finite( symmetric_difference
% 27.31/27.69    ( skol27, skol28 ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69     X := skol27
% 27.31/27.69     Y := skol28
% 27.31/27.69  end
% 27.31/27.69  substitution1:
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (705) {G1,W4,D3,L1,V0,M1} P(28,138) { ! finite( 
% 27.31/27.69    symmetric_difference( skol28, skol27 ) ) }.
% 27.31/27.69  parent0: (48168) {G1,W4,D3,L1,V0,M1}  { ! finite( symmetric_difference( 
% 27.31/27.69    skol28, skol27 ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  resolution: (48170) {G2,W8,D3,L2,V0,M2}  { ! finite( set_difference( skol28
% 27.31/27.69    , skol27 ) ), ! finite( set_difference( skol27, skol28 ) ) }.
% 27.31/27.69  parent0[0]: (705) {G1,W4,D3,L1,V0,M1} P(28,138) { ! finite( 
% 27.31/27.69    symmetric_difference( skol28, skol27 ) ) }.
% 27.31/27.69  parent1[2]: (513) {G1,W12,D3,L3,V2,M3} P(29,46) { ! finite( set_difference
% 27.31/27.69    ( X, Y ) ), ! finite( set_difference( Y, X ) ), finite( 
% 27.31/27.69    symmetric_difference( X, Y ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69  end
% 27.31/27.69  substitution1:
% 27.31/27.69     X := skol28
% 27.31/27.69     Y := skol27
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  resolution: (48171) {G2,W4,D3,L1,V0,M1}  { ! finite( set_difference( skol27
% 27.31/27.69    , skol28 ) ) }.
% 27.31/27.69  parent0[0]: (48170) {G2,W8,D3,L2,V0,M2}  { ! finite( set_difference( skol28
% 27.31/27.69    , skol27 ) ), ! finite( set_difference( skol27, skol28 ) ) }.
% 27.31/27.69  parent1[0]: (319) {G1,W4,D3,L1,V1,M1} R(31,137) { finite( set_difference( 
% 27.31/27.69    skol28, X ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69  end
% 27.31/27.69  substitution1:
% 27.31/27.69     X := skol27
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (47956) {G2,W4,D3,L1,V0,M1} R(513,705);r(319) { ! finite( 
% 27.31/27.69    set_difference( skol27, skol28 ) ) }.
% 27.31/27.69  parent0: (48171) {G2,W4,D3,L1,V0,M1}  { ! finite( set_difference( skol27, 
% 27.31/27.69    skol28 ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69     0 ==> 0
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  resolution: (48172) {G2,W0,D0,L0,V0,M0}  {  }.
% 27.31/27.69  parent0[0]: (47956) {G2,W4,D3,L1,V0,M1} R(513,705);r(319) { ! finite( 
% 27.31/27.69    set_difference( skol27, skol28 ) ) }.
% 27.31/27.69  parent1[0]: (318) {G1,W4,D3,L1,V1,M1} R(31,136) { finite( set_difference( 
% 27.31/27.69    skol27, X ) ) }.
% 27.31/27.69  substitution0:
% 27.31/27.69  end
% 27.31/27.69  substitution1:
% 27.31/27.69     X := skol28
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  subsumption: (47967) {G3,W0,D0,L0,V0,M0} S(47956);r(318) {  }.
% 27.31/27.69  parent0: (48172) {G2,W0,D0,L0,V0,M0}  {  }.
% 27.31/27.69  substitution0:
% 27.31/27.69  end
% 27.31/27.69  permutation0:
% 27.31/27.69  end
% 27.31/27.69  
% 27.31/27.69  Proof check complete!
% 27.31/27.69  
% 27.31/27.69  Memory use:
% 27.31/27.69  
% 27.31/27.69  space for terms:        510597
% 27.31/27.69  space for clauses:      2394497
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  clauses generated:      78133
% 27.31/27.69  clauses kept:           47968
% 27.31/27.69  clauses selected:       1205
% 27.31/27.69  clauses deleted:        420
% 27.31/27.69  clauses inuse deleted:  102
% 27.31/27.69  
% 27.31/27.69  subsentry:          551621
% 27.31/27.69  literals s-matched: 159940
% 27.31/27.69  literals matched:   156806
% 27.31/27.69  full subsumption:   83572
% 27.31/27.69  
% 27.31/27.69  checksum:           746307191
% 27.31/27.69  
% 27.31/27.69  
% 27.31/27.69  Bliksem ended
%------------------------------------------------------------------------------