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Bliksem---1.12.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET691+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n007.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 22:51:26 EDT 2022

% Result   : Theorem 0.41s 1.07s
% Output   : Refutation 0.41s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SET691+4 : TPTP v8.1.0. Released v2.2.0.
% 0.06/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n007.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % DateTime : Sun Jul 10 06:12:16 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.41/1.07  *** allocated 10000 integers for termspace/termends
% 0.41/1.07  *** allocated 10000 integers for clauses
% 0.41/1.07  *** allocated 10000 integers for justifications
% 0.41/1.07  Bliksem 1.12
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  Automatic Strategy Selection
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  Clauses:
% 0.41/1.07  
% 0.41/1.07  { ! subset( X, Y ), ! member( Z, X ), member( Z, Y ) }.
% 0.41/1.07  { ! member( skol1( Z, Y ), Y ), subset( X, Y ) }.
% 0.41/1.07  { member( skol1( X, Y ), X ), subset( X, Y ) }.
% 0.41/1.07  { ! equal_set( X, Y ), subset( X, Y ) }.
% 0.41/1.07  { ! equal_set( X, Y ), subset( Y, X ) }.
% 0.41/1.07  { ! subset( X, Y ), ! subset( Y, X ), equal_set( X, Y ) }.
% 0.41/1.07  { ! member( X, power_set( Y ) ), subset( X, Y ) }.
% 0.41/1.07  { ! subset( X, Y ), member( X, power_set( Y ) ) }.
% 0.41/1.07  { ! member( X, intersection( Y, Z ) ), member( X, Y ) }.
% 0.41/1.07  { ! member( X, intersection( Y, Z ) ), member( X, Z ) }.
% 0.41/1.07  { ! member( X, Y ), ! member( X, Z ), member( X, intersection( Y, Z ) ) }.
% 0.41/1.07  { ! member( X, union( Y, Z ) ), member( X, Y ), member( X, Z ) }.
% 0.41/1.07  { ! member( X, Y ), member( X, union( Y, Z ) ) }.
% 0.41/1.07  { ! member( X, Z ), member( X, union( Y, Z ) ) }.
% 0.41/1.07  { ! member( X, empty_set ) }.
% 0.41/1.07  { ! member( X, difference( Z, Y ) ), member( X, Z ) }.
% 0.41/1.07  { ! member( X, difference( Z, Y ) ), ! member( X, Y ) }.
% 0.41/1.07  { ! member( X, Z ), member( X, Y ), member( X, difference( Z, Y ) ) }.
% 0.41/1.07  { ! member( X, singleton( Y ) ), X = Y }.
% 0.41/1.07  { ! X = Y, member( X, singleton( Y ) ) }.
% 0.41/1.07  { ! member( X, unordered_pair( Y, Z ) ), X = Y, X = Z }.
% 0.41/1.07  { ! X = Y, member( X, unordered_pair( Y, Z ) ) }.
% 0.41/1.07  { ! X = Z, member( X, unordered_pair( Y, Z ) ) }.
% 0.41/1.07  { ! member( X, sum( Y ) ), member( skol2( Z, Y ), Y ) }.
% 0.41/1.07  { ! member( X, sum( Y ) ), member( X, skol2( X, Y ) ) }.
% 0.41/1.07  { ! member( Z, Y ), ! member( X, Z ), member( X, sum( Y ) ) }.
% 0.41/1.07  { ! member( X, product( Y ) ), ! member( Z, Y ), member( X, Z ) }.
% 0.41/1.07  { member( skol3( Z, Y ), Y ), member( X, product( Y ) ) }.
% 0.41/1.07  { ! member( X, skol3( X, Y ) ), member( X, product( Y ) ) }.
% 0.41/1.07  { alpha1( skol4 ), equal_set( skol4, empty_set ) }.
% 0.41/1.07  { alpha1( skol4 ), ! subset( skol4, empty_set ) }.
% 0.41/1.07  { ! alpha1( X ), subset( X, empty_set ) }.
% 0.41/1.07  { ! alpha1( X ), ! equal_set( X, empty_set ) }.
% 0.41/1.07  { ! subset( X, empty_set ), equal_set( X, empty_set ), alpha1( X ) }.
% 0.41/1.07  
% 0.41/1.07  percentage equality = 0.078947, percentage horn = 0.794118
% 0.41/1.07  This is a problem with some equality
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  Options Used:
% 0.41/1.07  
% 0.41/1.07  useres =            1
% 0.41/1.07  useparamod =        1
% 0.41/1.07  useeqrefl =         1
% 0.41/1.07  useeqfact =         1
% 0.41/1.07  usefactor =         1
% 0.41/1.07  usesimpsplitting =  0
% 0.41/1.07  usesimpdemod =      5
% 0.41/1.07  usesimpres =        3
% 0.41/1.07  
% 0.41/1.07  resimpinuse      =  1000
% 0.41/1.07  resimpclauses =     20000
% 0.41/1.07  substype =          eqrewr
% 0.41/1.07  backwardsubs =      1
% 0.41/1.07  selectoldest =      5
% 0.41/1.07  
% 0.41/1.07  litorderings [0] =  split
% 0.41/1.07  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.41/1.07  
% 0.41/1.07  termordering =      kbo
% 0.41/1.07  
% 0.41/1.07  litapriori =        0
% 0.41/1.07  termapriori =       1
% 0.41/1.07  litaposteriori =    0
% 0.41/1.07  termaposteriori =   0
% 0.41/1.07  demodaposteriori =  0
% 0.41/1.07  ordereqreflfact =   0
% 0.41/1.07  
% 0.41/1.07  litselect =         negord
% 0.41/1.07  
% 0.41/1.07  maxweight =         15
% 0.41/1.07  maxdepth =          30000
% 0.41/1.07  maxlength =         115
% 0.41/1.07  maxnrvars =         195
% 0.41/1.07  excuselevel =       1
% 0.41/1.07  increasemaxweight = 1
% 0.41/1.07  
% 0.41/1.07  maxselected =       10000000
% 0.41/1.07  maxnrclauses =      10000000
% 0.41/1.07  
% 0.41/1.07  showgenerated =    0
% 0.41/1.07  showkept =         0
% 0.41/1.07  showselected =     0
% 0.41/1.07  showdeleted =      0
% 0.41/1.07  showresimp =       1
% 0.41/1.07  showstatus =       2000
% 0.41/1.07  
% 0.41/1.07  prologoutput =     0
% 0.41/1.07  nrgoals =          5000000
% 0.41/1.07  totalproof =       1
% 0.41/1.07  
% 0.41/1.07  Symbols occurring in the translation:
% 0.41/1.07  
% 0.41/1.07  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.41/1.07  .  [1, 2]      (w:1, o:23, a:1, s:1, b:0), 
% 0.41/1.07  !  [4, 1]      (w:0, o:13, a:1, s:1, b:0), 
% 0.41/1.07  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.41/1.07  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.41/1.07  subset  [37, 2]      (w:1, o:47, a:1, s:1, b:0), 
% 0.41/1.07  member  [39, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.41/1.07  equal_set  [40, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 0.41/1.07  power_set  [41, 1]      (w:1, o:18, a:1, s:1, b:0), 
% 0.41/1.07  intersection  [42, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.41/1.07  union  [43, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.41/1.07  empty_set  [44, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.41/1.07  difference  [46, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.41/1.07  singleton  [47, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 0.41/1.07  unordered_pair  [48, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.41/1.07  sum  [49, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 0.41/1.07  product  [51, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.41/1.07  alpha1  [52, 1]      (w:1, o:22, a:1, s:1, b:1), 
% 0.41/1.07  skol1  [53, 2]      (w:1, o:54, a:1, s:1, b:1), 
% 0.41/1.07  skol2  [54, 2]      (w:1, o:55, a:1, s:1, b:1), 
% 0.41/1.07  skol3  [55, 2]      (w:1, o:56, a:1, s:1, b:1), 
% 0.41/1.07  skol4  [56, 0]      (w:1, o:12, a:1, s:1, b:1).
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  Starting Search:
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  Bliksems!, er is een bewijs:
% 0.41/1.07  % SZS status Theorem
% 0.41/1.07  % SZS output start Refutation
% 0.41/1.07  
% 0.41/1.07  (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset( X, Y ) }.
% 0.41/1.07  (3) {G0,W6,D2,L2,V2,M2} I { ! equal_set( X, Y ), subset( X, Y ) }.
% 0.41/1.07  (5) {G0,W9,D2,L3,V2,M3} I { ! subset( X, Y ), ! subset( Y, X ), equal_set( 
% 0.41/1.07    X, Y ) }.
% 0.41/1.07  (14) {G0,W3,D2,L1,V1,M1} I { ! member( X, empty_set ) }.
% 0.41/1.07  (29) {G0,W5,D2,L2,V0,M2} I { alpha1( skol4 ), equal_set( skol4, empty_set )
% 0.41/1.07     }.
% 0.41/1.07  (30) {G0,W5,D2,L2,V0,M2} I { alpha1( skol4 ), ! subset( skol4, empty_set )
% 0.41/1.07     }.
% 0.41/1.07  (31) {G0,W5,D2,L2,V1,M2} I { ! alpha1( X ), subset( X, empty_set ) }.
% 0.41/1.07  (32) {G0,W5,D2,L2,V1,M2} I { ! alpha1( X ), ! equal_set( X, empty_set ) }.
% 0.41/1.07  (44) {G1,W3,D2,L1,V0,M1} R(30,32);r(3) { ! equal_set( skol4, empty_set )
% 0.41/1.07     }.
% 0.41/1.07  (51) {G2,W2,D2,L1,V0,M1} S(29);r(44) { alpha1( skol4 ) }.
% 0.41/1.07  (55) {G3,W3,D2,L1,V0,M1} R(51,31) { subset( skol4, empty_set ) }.
% 0.41/1.07  (64) {G1,W3,D2,L1,V1,M1} R(2,14) { subset( empty_set, X ) }.
% 0.41/1.07  (92) {G4,W3,D2,L1,V0,M1} R(5,55);r(64) { equal_set( skol4, empty_set ) }.
% 0.41/1.07  (101) {G5,W0,D0,L0,V0,M0} S(92);r(44) {  }.
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  % SZS output end Refutation
% 0.41/1.07  found a proof!
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  Unprocessed initial clauses:
% 0.41/1.07  
% 0.41/1.07  (103) {G0,W9,D2,L3,V3,M3}  { ! subset( X, Y ), ! member( Z, X ), member( Z
% 0.41/1.07    , Y ) }.
% 0.41/1.07  (104) {G0,W8,D3,L2,V3,M2}  { ! member( skol1( Z, Y ), Y ), subset( X, Y )
% 0.41/1.07     }.
% 0.41/1.07  (105) {G0,W8,D3,L2,V2,M2}  { member( skol1( X, Y ), X ), subset( X, Y ) }.
% 0.41/1.07  (106) {G0,W6,D2,L2,V2,M2}  { ! equal_set( X, Y ), subset( X, Y ) }.
% 0.41/1.07  (107) {G0,W6,D2,L2,V2,M2}  { ! equal_set( X, Y ), subset( Y, X ) }.
% 0.41/1.07  (108) {G0,W9,D2,L3,V2,M3}  { ! subset( X, Y ), ! subset( Y, X ), equal_set
% 0.41/1.07    ( X, Y ) }.
% 0.41/1.07  (109) {G0,W7,D3,L2,V2,M2}  { ! member( X, power_set( Y ) ), subset( X, Y )
% 0.41/1.07     }.
% 0.41/1.07  (110) {G0,W7,D3,L2,V2,M2}  { ! subset( X, Y ), member( X, power_set( Y ) )
% 0.41/1.07     }.
% 0.41/1.07  (111) {G0,W8,D3,L2,V3,M2}  { ! member( X, intersection( Y, Z ) ), member( X
% 0.41/1.07    , Y ) }.
% 0.41/1.07  (112) {G0,W8,D3,L2,V3,M2}  { ! member( X, intersection( Y, Z ) ), member( X
% 0.41/1.07    , Z ) }.
% 0.41/1.07  (113) {G0,W11,D3,L3,V3,M3}  { ! member( X, Y ), ! member( X, Z ), member( X
% 0.41/1.07    , intersection( Y, Z ) ) }.
% 0.41/1.07  (114) {G0,W11,D3,L3,V3,M3}  { ! member( X, union( Y, Z ) ), member( X, Y )
% 0.41/1.07    , member( X, Z ) }.
% 0.41/1.07  (115) {G0,W8,D3,L2,V3,M2}  { ! member( X, Y ), member( X, union( Y, Z ) )
% 0.41/1.07     }.
% 0.41/1.07  (116) {G0,W8,D3,L2,V3,M2}  { ! member( X, Z ), member( X, union( Y, Z ) )
% 0.41/1.07     }.
% 0.41/1.07  (117) {G0,W3,D2,L1,V1,M1}  { ! member( X, empty_set ) }.
% 0.41/1.07  (118) {G0,W8,D3,L2,V3,M2}  { ! member( X, difference( Z, Y ) ), member( X, 
% 0.41/1.07    Z ) }.
% 0.41/1.07  (119) {G0,W8,D3,L2,V3,M2}  { ! member( X, difference( Z, Y ) ), ! member( X
% 0.41/1.07    , Y ) }.
% 0.41/1.07  (120) {G0,W11,D3,L3,V3,M3}  { ! member( X, Z ), member( X, Y ), member( X, 
% 0.41/1.07    difference( Z, Y ) ) }.
% 0.41/1.07  (121) {G0,W7,D3,L2,V2,M2}  { ! member( X, singleton( Y ) ), X = Y }.
% 0.41/1.07  (122) {G0,W7,D3,L2,V2,M2}  { ! X = Y, member( X, singleton( Y ) ) }.
% 0.41/1.07  (123) {G0,W11,D3,L3,V3,M3}  { ! member( X, unordered_pair( Y, Z ) ), X = Y
% 0.41/1.07    , X = Z }.
% 0.41/1.07  (124) {G0,W8,D3,L2,V3,M2}  { ! X = Y, member( X, unordered_pair( Y, Z ) )
% 0.41/1.07     }.
% 0.41/1.07  (125) {G0,W8,D3,L2,V3,M2}  { ! X = Z, member( X, unordered_pair( Y, Z ) )
% 0.41/1.07     }.
% 0.41/1.07  (126) {G0,W9,D3,L2,V3,M2}  { ! member( X, sum( Y ) ), member( skol2( Z, Y )
% 0.41/1.07    , Y ) }.
% 0.41/1.07  (127) {G0,W9,D3,L2,V2,M2}  { ! member( X, sum( Y ) ), member( X, skol2( X, 
% 0.41/1.07    Y ) ) }.
% 0.41/1.07  (128) {G0,W10,D3,L3,V3,M3}  { ! member( Z, Y ), ! member( X, Z ), member( X
% 0.41/1.07    , sum( Y ) ) }.
% 0.41/1.07  (129) {G0,W10,D3,L3,V3,M3}  { ! member( X, product( Y ) ), ! member( Z, Y )
% 0.41/1.07    , member( X, Z ) }.
% 0.41/1.07  (130) {G0,W9,D3,L2,V3,M2}  { member( skol3( Z, Y ), Y ), member( X, product
% 0.41/1.07    ( Y ) ) }.
% 0.41/1.07  (131) {G0,W9,D3,L2,V2,M2}  { ! member( X, skol3( X, Y ) ), member( X, 
% 0.41/1.07    product( Y ) ) }.
% 0.41/1.07  (132) {G0,W5,D2,L2,V0,M2}  { alpha1( skol4 ), equal_set( skol4, empty_set )
% 0.41/1.07     }.
% 0.41/1.07  (133) {G0,W5,D2,L2,V0,M2}  { alpha1( skol4 ), ! subset( skol4, empty_set )
% 0.41/1.07     }.
% 0.41/1.07  (134) {G0,W5,D2,L2,V1,M2}  { ! alpha1( X ), subset( X, empty_set ) }.
% 0.41/1.07  (135) {G0,W5,D2,L2,V1,M2}  { ! alpha1( X ), ! equal_set( X, empty_set ) }.
% 0.41/1.07  (136) {G0,W8,D2,L3,V1,M3}  { ! subset( X, empty_set ), equal_set( X, 
% 0.41/1.07    empty_set ), alpha1( X ) }.
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  Total Proof:
% 0.41/1.07  
% 0.41/1.07  subsumption: (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset
% 0.41/1.07    ( X, Y ) }.
% 0.41/1.07  parent0: (105) {G0,W8,D3,L2,V2,M2}  { member( skol1( X, Y ), X ), subset( X
% 0.41/1.07    , Y ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := X
% 0.41/1.07     Y := Y
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07     1 ==> 1
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (3) {G0,W6,D2,L2,V2,M2} I { ! equal_set( X, Y ), subset( X, Y
% 0.41/1.07     ) }.
% 0.41/1.07  parent0: (106) {G0,W6,D2,L2,V2,M2}  { ! equal_set( X, Y ), subset( X, Y )
% 0.41/1.07     }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := X
% 0.41/1.07     Y := Y
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07     1 ==> 1
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (5) {G0,W9,D2,L3,V2,M3} I { ! subset( X, Y ), ! subset( Y, X )
% 0.41/1.07    , equal_set( X, Y ) }.
% 0.41/1.07  parent0: (108) {G0,W9,D2,L3,V2,M3}  { ! subset( X, Y ), ! subset( Y, X ), 
% 0.41/1.07    equal_set( X, Y ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := X
% 0.41/1.07     Y := Y
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07     1 ==> 1
% 0.41/1.07     2 ==> 2
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (14) {G0,W3,D2,L1,V1,M1} I { ! member( X, empty_set ) }.
% 0.41/1.07  parent0: (117) {G0,W3,D2,L1,V1,M1}  { ! member( X, empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := X
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (29) {G0,W5,D2,L2,V0,M2} I { alpha1( skol4 ), equal_set( skol4
% 0.41/1.07    , empty_set ) }.
% 0.41/1.07  parent0: (132) {G0,W5,D2,L2,V0,M2}  { alpha1( skol4 ), equal_set( skol4, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07     1 ==> 1
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (30) {G0,W5,D2,L2,V0,M2} I { alpha1( skol4 ), ! subset( skol4
% 0.41/1.07    , empty_set ) }.
% 0.41/1.07  parent0: (133) {G0,W5,D2,L2,V0,M2}  { alpha1( skol4 ), ! subset( skol4, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07     1 ==> 1
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (31) {G0,W5,D2,L2,V1,M2} I { ! alpha1( X ), subset( X, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  parent0: (134) {G0,W5,D2,L2,V1,M2}  { ! alpha1( X ), subset( X, empty_set )
% 0.41/1.07     }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := X
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07     1 ==> 1
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (32) {G0,W5,D2,L2,V1,M2} I { ! alpha1( X ), ! equal_set( X, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  parent0: (135) {G0,W5,D2,L2,V1,M2}  { ! alpha1( X ), ! equal_set( X, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := X
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07     1 ==> 1
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  resolution: (193) {G1,W6,D2,L2,V0,M2}  { ! equal_set( skol4, empty_set ), !
% 0.41/1.07     subset( skol4, empty_set ) }.
% 0.41/1.07  parent0[0]: (32) {G0,W5,D2,L2,V1,M2} I { ! alpha1( X ), ! equal_set( X, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  parent1[0]: (30) {G0,W5,D2,L2,V0,M2} I { alpha1( skol4 ), ! subset( skol4, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := skol4
% 0.41/1.07  end
% 0.41/1.07  substitution1:
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  resolution: (194) {G1,W6,D2,L2,V0,M2}  { ! equal_set( skol4, empty_set ), !
% 0.41/1.07     equal_set( skol4, empty_set ) }.
% 0.41/1.07  parent0[1]: (193) {G1,W6,D2,L2,V0,M2}  { ! equal_set( skol4, empty_set ), !
% 0.41/1.07     subset( skol4, empty_set ) }.
% 0.41/1.07  parent1[1]: (3) {G0,W6,D2,L2,V2,M2} I { ! equal_set( X, Y ), subset( X, Y )
% 0.41/1.07     }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  substitution1:
% 0.41/1.07     X := skol4
% 0.41/1.07     Y := empty_set
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  factor: (195) {G1,W3,D2,L1,V0,M1}  { ! equal_set( skol4, empty_set ) }.
% 0.41/1.07  parent0[0, 1]: (194) {G1,W6,D2,L2,V0,M2}  { ! equal_set( skol4, empty_set )
% 0.41/1.07    , ! equal_set( skol4, empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (44) {G1,W3,D2,L1,V0,M1} R(30,32);r(3) { ! equal_set( skol4, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  parent0: (195) {G1,W3,D2,L1,V0,M1}  { ! equal_set( skol4, empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  resolution: (196) {G1,W2,D2,L1,V0,M1}  { alpha1( skol4 ) }.
% 0.41/1.07  parent0[0]: (44) {G1,W3,D2,L1,V0,M1} R(30,32);r(3) { ! equal_set( skol4, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  parent1[1]: (29) {G0,W5,D2,L2,V0,M2} I { alpha1( skol4 ), equal_set( skol4
% 0.41/1.07    , empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  substitution1:
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (51) {G2,W2,D2,L1,V0,M1} S(29);r(44) { alpha1( skol4 ) }.
% 0.41/1.07  parent0: (196) {G1,W2,D2,L1,V0,M1}  { alpha1( skol4 ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  resolution: (197) {G1,W3,D2,L1,V0,M1}  { subset( skol4, empty_set ) }.
% 0.41/1.07  parent0[0]: (31) {G0,W5,D2,L2,V1,M2} I { ! alpha1( X ), subset( X, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  parent1[0]: (51) {G2,W2,D2,L1,V0,M1} S(29);r(44) { alpha1( skol4 ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := skol4
% 0.41/1.07  end
% 0.41/1.07  substitution1:
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (55) {G3,W3,D2,L1,V0,M1} R(51,31) { subset( skol4, empty_set )
% 0.41/1.07     }.
% 0.41/1.07  parent0: (197) {G1,W3,D2,L1,V0,M1}  { subset( skol4, empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  resolution: (198) {G1,W3,D2,L1,V1,M1}  { subset( empty_set, X ) }.
% 0.41/1.07  parent0[0]: (14) {G0,W3,D2,L1,V1,M1} I { ! member( X, empty_set ) }.
% 0.41/1.07  parent1[0]: (2) {G0,W8,D3,L2,V2,M2} I { member( skol1( X, Y ), X ), subset
% 0.41/1.07    ( X, Y ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := skol1( empty_set, X )
% 0.41/1.07  end
% 0.41/1.07  substitution1:
% 0.41/1.07     X := empty_set
% 0.41/1.07     Y := X
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (64) {G1,W3,D2,L1,V1,M1} R(2,14) { subset( empty_set, X ) }.
% 0.41/1.07  parent0: (198) {G1,W3,D2,L1,V1,M1}  { subset( empty_set, X ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := X
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  resolution: (199) {G1,W6,D2,L2,V0,M2}  { ! subset( empty_set, skol4 ), 
% 0.41/1.07    equal_set( skol4, empty_set ) }.
% 0.41/1.07  parent0[0]: (5) {G0,W9,D2,L3,V2,M3} I { ! subset( X, Y ), ! subset( Y, X )
% 0.41/1.07    , equal_set( X, Y ) }.
% 0.41/1.07  parent1[0]: (55) {G3,W3,D2,L1,V0,M1} R(51,31) { subset( skol4, empty_set )
% 0.41/1.07     }.
% 0.41/1.07  substitution0:
% 0.41/1.07     X := skol4
% 0.41/1.07     Y := empty_set
% 0.41/1.07  end
% 0.41/1.07  substitution1:
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  resolution: (201) {G2,W3,D2,L1,V0,M1}  { equal_set( skol4, empty_set ) }.
% 0.41/1.07  parent0[0]: (199) {G1,W6,D2,L2,V0,M2}  { ! subset( empty_set, skol4 ), 
% 0.41/1.07    equal_set( skol4, empty_set ) }.
% 0.41/1.07  parent1[0]: (64) {G1,W3,D2,L1,V1,M1} R(2,14) { subset( empty_set, X ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  substitution1:
% 0.41/1.07     X := skol4
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (92) {G4,W3,D2,L1,V0,M1} R(5,55);r(64) { equal_set( skol4, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  parent0: (201) {G2,W3,D2,L1,V0,M1}  { equal_set( skol4, empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07     0 ==> 0
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  resolution: (202) {G2,W0,D0,L0,V0,M0}  {  }.
% 0.41/1.07  parent0[0]: (44) {G1,W3,D2,L1,V0,M1} R(30,32);r(3) { ! equal_set( skol4, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  parent1[0]: (92) {G4,W3,D2,L1,V0,M1} R(5,55);r(64) { equal_set( skol4, 
% 0.41/1.07    empty_set ) }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  substitution1:
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  subsumption: (101) {G5,W0,D0,L0,V0,M0} S(92);r(44) {  }.
% 0.41/1.07  parent0: (202) {G2,W0,D0,L0,V0,M0}  {  }.
% 0.41/1.07  substitution0:
% 0.41/1.07  end
% 0.41/1.07  permutation0:
% 0.41/1.07  end
% 0.41/1.07  
% 0.41/1.07  Proof check complete!
% 0.41/1.07  
% 0.41/1.07  Memory use:
% 0.41/1.07  
% 0.41/1.07  space for terms:        1415
% 0.41/1.07  space for clauses:      5112
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  clauses generated:      154
% 0.41/1.07  clauses kept:           102
% 0.41/1.07  clauses selected:       31
% 0.41/1.07  clauses deleted:        3
% 0.41/1.07  clauses inuse deleted:  0
% 0.41/1.07  
% 0.41/1.07  subsentry:          341
% 0.41/1.07  literals s-matched: 321
% 0.41/1.07  literals matched:   321
% 0.41/1.07  full subsumption:   160
% 0.41/1.07  
% 0.41/1.07  checksum:           -662711933
% 0.41/1.07  
% 0.41/1.07  
% 0.41/1.07  Bliksem ended
%------------------------------------------------------------------------------