TSTP Solution File: SET929+1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET929+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n027.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 22:53:27 EDT 2022

% Result   : Theorem 0.72s 1.11s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET929+1 : TPTP v8.1.0. Released v3.2.0.
% 0.13/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n027.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 Jul  9 22:00:47 EDT 2022
% 0.21/0.34  % CPUTime  : 
% 0.72/1.11  *** allocated 10000 integers for termspace/termends
% 0.72/1.11  *** allocated 10000 integers for clauses
% 0.72/1.11  *** allocated 10000 integers for justifications
% 0.72/1.11  Bliksem 1.12
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Automatic Strategy Selection
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Clauses:
% 0.72/1.11  
% 0.72/1.11  { ! in( X, Y ), ! in( Y, X ) }.
% 0.72/1.11  { unordered_pair( X, Y ) = unordered_pair( Y, X ) }.
% 0.72/1.11  { empty( empty_set ) }.
% 0.72/1.11  { empty( skol1 ) }.
% 0.72/1.11  { ! empty( skol2 ) }.
% 0.72/1.11  { subset( X, X ) }.
% 0.72/1.11  { ! set_difference( X, Y ) = empty_set, subset( X, Y ) }.
% 0.72/1.11  { ! subset( X, Y ), set_difference( X, Y ) = empty_set }.
% 0.72/1.11  { ! subset( unordered_pair( X, Y ), Z ), in( X, Z ) }.
% 0.72/1.11  { ! subset( unordered_pair( X, Y ), Z ), in( Y, Z ) }.
% 0.72/1.11  { ! in( X, Z ), ! in( Y, Z ), subset( unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  { alpha1( skol3, skol4, skol5 ), in( skol3, skol5 ) }.
% 0.72/1.11  { alpha1( skol3, skol4, skol5 ), in( skol4, skol5 ) }.
% 0.72/1.11  { alpha1( skol3, skol4, skol5 ), ! set_difference( unordered_pair( skol3, 
% 0.72/1.11    skol4 ), skol5 ) = empty_set }.
% 0.72/1.11  { ! alpha1( X, Y, Z ), set_difference( unordered_pair( X, Y ), Z ) = 
% 0.72/1.11    empty_set }.
% 0.72/1.11  { ! alpha1( X, Y, Z ), ! in( X, Z ), ! in( Y, Z ) }.
% 0.72/1.11  { ! set_difference( unordered_pair( X, Y ), Z ) = empty_set, in( X, Z ), 
% 0.72/1.11    alpha1( X, Y, Z ) }.
% 0.72/1.11  { ! set_difference( unordered_pair( X, Y ), Z ) = empty_set, in( Y, Z ), 
% 0.72/1.11    alpha1( X, Y, Z ) }.
% 0.72/1.11  
% 0.72/1.11  percentage equality = 0.200000, percentage horn = 0.777778
% 0.72/1.11  This is a problem with some equality
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Options Used:
% 0.72/1.11  
% 0.72/1.11  useres =            1
% 0.72/1.11  useparamod =        1
% 0.72/1.11  useeqrefl =         1
% 0.72/1.11  useeqfact =         1
% 0.72/1.11  usefactor =         1
% 0.72/1.11  usesimpsplitting =  0
% 0.72/1.11  usesimpdemod =      5
% 0.72/1.11  usesimpres =        3
% 0.72/1.11  
% 0.72/1.11  resimpinuse      =  1000
% 0.72/1.11  resimpclauses =     20000
% 0.72/1.11  substype =          eqrewr
% 0.72/1.11  backwardsubs =      1
% 0.72/1.11  selectoldest =      5
% 0.72/1.11  
% 0.72/1.11  litorderings [0] =  split
% 0.72/1.11  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.72/1.11  
% 0.72/1.11  termordering =      kbo
% 0.72/1.11  
% 0.72/1.11  litapriori =        0
% 0.72/1.11  termapriori =       1
% 0.72/1.11  litaposteriori =    0
% 0.72/1.11  termaposteriori =   0
% 0.72/1.11  demodaposteriori =  0
% 0.72/1.11  ordereqreflfact =   0
% 0.72/1.11  
% 0.72/1.11  litselect =         negord
% 0.72/1.11  
% 0.72/1.11  maxweight =         15
% 0.72/1.11  maxdepth =          30000
% 0.72/1.11  maxlength =         115
% 0.72/1.11  maxnrvars =         195
% 0.72/1.11  excuselevel =       1
% 0.72/1.11  increasemaxweight = 1
% 0.72/1.11  
% 0.72/1.11  maxselected =       10000000
% 0.72/1.11  maxnrclauses =      10000000
% 0.72/1.11  
% 0.72/1.11  showgenerated =    0
% 0.72/1.11  showkept =         0
% 0.72/1.11  showselected =     0
% 0.72/1.11  showdeleted =      0
% 0.72/1.11  showresimp =       1
% 0.72/1.11  showstatus =       2000
% 0.72/1.11  
% 0.72/1.11  prologoutput =     0
% 0.72/1.11  nrgoals =          5000000
% 0.72/1.11  totalproof =       1
% 0.72/1.11  
% 0.72/1.11  Symbols occurring in the translation:
% 0.72/1.11  
% 0.72/1.11  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.11  .  [1, 2]      (w:1, o:21, a:1, s:1, b:0), 
% 0.72/1.11  !  [4, 1]      (w:0, o:15, a:1, s:1, b:0), 
% 0.72/1.11  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.11  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.11  in  [37, 2]      (w:1, o:45, a:1, s:1, b:0), 
% 0.72/1.11  unordered_pair  [38, 2]      (w:1, o:46, a:1, s:1, b:0), 
% 0.72/1.11  empty_set  [39, 0]      (w:1, o:8, a:1, s:1, b:0), 
% 0.72/1.11  empty  [40, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 0.72/1.11  subset  [41, 2]      (w:1, o:47, a:1, s:1, b:0), 
% 0.72/1.11  set_difference  [42, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.72/1.11  alpha1  [44, 3]      (w:1, o:49, a:1, s:1, b:1), 
% 0.72/1.11  skol1  [45, 0]      (w:1, o:10, a:1, s:1, b:1), 
% 0.72/1.11  skol2  [46, 0]      (w:1, o:11, a:1, s:1, b:1), 
% 0.72/1.11  skol3  [47, 0]      (w:1, o:12, a:1, s:1, b:1), 
% 0.72/1.11  skol4  [48, 0]      (w:1, o:13, a:1, s:1, b:1), 
% 0.72/1.11  skol5  [49, 0]      (w:1, o:14, a:1, s:1, b:1).
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Starting Search:
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Bliksems!, er is een bewijs:
% 0.72/1.11  % SZS status Theorem
% 0.72/1.11  % SZS output start Refutation
% 0.72/1.11  
% 0.72/1.11  (6) {G0,W8,D3,L2,V2,M2} I { ! set_difference( X, Y ) ==> empty_set, subset
% 0.72/1.11    ( X, Y ) }.
% 0.72/1.11  (7) {G0,W8,D3,L2,V2,M2} I { ! subset( X, Y ), set_difference( X, Y ) ==> 
% 0.72/1.11    empty_set }.
% 0.72/1.11  (8) {G0,W8,D3,L2,V3,M2} I { ! subset( unordered_pair( X, Y ), Z ), in( X, Z
% 0.72/1.11     ) }.
% 0.72/1.11  (9) {G0,W8,D3,L2,V3,M2} I { ! subset( unordered_pair( X, Y ), Z ), in( Y, Z
% 0.72/1.11     ) }.
% 0.72/1.11  (10) {G0,W11,D3,L3,V3,M3} I { ! in( X, Z ), ! in( Y, Z ), subset( 
% 0.72/1.11    unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  (11) {G0,W7,D2,L2,V0,M2} I { alpha1( skol3, skol4, skol5 ), in( skol3, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  (12) {G0,W7,D2,L2,V0,M2} I { alpha1( skol3, skol4, skol5 ), in( skol4, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  (13) {G0,W11,D4,L2,V0,M2} I { alpha1( skol3, skol4, skol5 ), ! 
% 0.72/1.11    set_difference( unordered_pair( skol3, skol4 ), skol5 ) ==> empty_set }.
% 0.72/1.11  (14) {G0,W11,D4,L2,V3,M2} I { ! alpha1( X, Y, Z ), set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ) ==> empty_set }.
% 0.72/1.11  (15) {G0,W10,D2,L3,V3,M3} I { ! alpha1( X, Y, Z ), ! in( X, Z ), ! in( Y, Z
% 0.72/1.11     ) }.
% 0.72/1.11  (31) {G1,W10,D4,L2,V3,M2} R(6,9) { ! set_difference( unordered_pair( X, Y )
% 0.72/1.11    , Z ) ==> empty_set, in( Y, Z ) }.
% 0.72/1.11  (45) {G1,W10,D4,L2,V3,M2} R(8,6) { in( X, Y ), ! set_difference( 
% 0.72/1.11    unordered_pair( X, Z ), Y ) ==> empty_set }.
% 0.72/1.11  (57) {G1,W13,D4,L3,V3,M3} R(10,7) { ! in( X, Y ), ! in( Z, Y ), 
% 0.72/1.11    set_difference( unordered_pair( X, Z ), Y ) ==> empty_set }.
% 0.72/1.11  (89) {G2,W3,D2,L1,V0,M1} R(14,11);r(45) { in( skol3, skol5 ) }.
% 0.72/1.11  (91) {G2,W3,D2,L1,V0,M1} R(14,12);r(31) { in( skol4, skol5 ) }.
% 0.72/1.11  (109) {G3,W3,D2,L1,V0,M1} R(15,13);d(57);q;r(89) { ! in( skol4, skol5 ) }.
% 0.72/1.11  (118) {G4,W0,D0,L0,V0,M0} S(109);r(91) {  }.
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  % SZS output end Refutation
% 0.72/1.11  found a proof!
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Unprocessed initial clauses:
% 0.72/1.11  
% 0.72/1.11  (120) {G0,W6,D2,L2,V2,M2}  { ! in( X, Y ), ! in( Y, X ) }.
% 0.72/1.11  (121) {G0,W7,D3,L1,V2,M1}  { unordered_pair( X, Y ) = unordered_pair( Y, X
% 0.72/1.11     ) }.
% 0.72/1.11  (122) {G0,W2,D2,L1,V0,M1}  { empty( empty_set ) }.
% 0.72/1.11  (123) {G0,W2,D2,L1,V0,M1}  { empty( skol1 ) }.
% 0.72/1.11  (124) {G0,W2,D2,L1,V0,M1}  { ! empty( skol2 ) }.
% 0.72/1.11  (125) {G0,W3,D2,L1,V1,M1}  { subset( X, X ) }.
% 0.72/1.11  (126) {G0,W8,D3,L2,V2,M2}  { ! set_difference( X, Y ) = empty_set, subset( 
% 0.72/1.11    X, Y ) }.
% 0.72/1.11  (127) {G0,W8,D3,L2,V2,M2}  { ! subset( X, Y ), set_difference( X, Y ) = 
% 0.72/1.11    empty_set }.
% 0.72/1.11  (128) {G0,W8,D3,L2,V3,M2}  { ! subset( unordered_pair( X, Y ), Z ), in( X, 
% 0.72/1.11    Z ) }.
% 0.72/1.11  (129) {G0,W8,D3,L2,V3,M2}  { ! subset( unordered_pair( X, Y ), Z ), in( Y, 
% 0.72/1.11    Z ) }.
% 0.72/1.11  (130) {G0,W11,D3,L3,V3,M3}  { ! in( X, Z ), ! in( Y, Z ), subset( 
% 0.72/1.11    unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  (131) {G0,W7,D2,L2,V0,M2}  { alpha1( skol3, skol4, skol5 ), in( skol3, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  (132) {G0,W7,D2,L2,V0,M2}  { alpha1( skol3, skol4, skol5 ), in( skol4, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  (133) {G0,W11,D4,L2,V0,M2}  { alpha1( skol3, skol4, skol5 ), ! 
% 0.72/1.11    set_difference( unordered_pair( skol3, skol4 ), skol5 ) = empty_set }.
% 0.72/1.11  (134) {G0,W11,D4,L2,V3,M2}  { ! alpha1( X, Y, Z ), set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ) = empty_set }.
% 0.72/1.11  (135) {G0,W10,D2,L3,V3,M3}  { ! alpha1( X, Y, Z ), ! in( X, Z ), ! in( Y, Z
% 0.72/1.11     ) }.
% 0.72/1.11  (136) {G0,W14,D4,L3,V3,M3}  { ! set_difference( unordered_pair( X, Y ), Z )
% 0.72/1.11     = empty_set, in( X, Z ), alpha1( X, Y, Z ) }.
% 0.72/1.11  (137) {G0,W14,D4,L3,V3,M3}  { ! set_difference( unordered_pair( X, Y ), Z )
% 0.72/1.11     = empty_set, in( Y, Z ), alpha1( X, Y, Z ) }.
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Total Proof:
% 0.72/1.11  
% 0.72/1.11  subsumption: (6) {G0,W8,D3,L2,V2,M2} I { ! set_difference( X, Y ) ==> 
% 0.72/1.11    empty_set, subset( X, Y ) }.
% 0.72/1.11  parent0: (126) {G0,W8,D3,L2,V2,M2}  { ! set_difference( X, Y ) = empty_set
% 0.72/1.11    , subset( X, Y ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (7) {G0,W8,D3,L2,V2,M2} I { ! subset( X, Y ), set_difference( 
% 0.72/1.11    X, Y ) ==> empty_set }.
% 0.72/1.11  parent0: (127) {G0,W8,D3,L2,V2,M2}  { ! subset( X, Y ), set_difference( X, 
% 0.72/1.11    Y ) = empty_set }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (8) {G0,W8,D3,L2,V3,M2} I { ! subset( unordered_pair( X, Y ), 
% 0.72/1.11    Z ), in( X, Z ) }.
% 0.72/1.11  parent0: (128) {G0,W8,D3,L2,V3,M2}  { ! subset( unordered_pair( X, Y ), Z )
% 0.72/1.11    , in( X, Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (9) {G0,W8,D3,L2,V3,M2} I { ! subset( unordered_pair( X, Y ), 
% 0.72/1.11    Z ), in( Y, Z ) }.
% 0.72/1.11  parent0: (129) {G0,W8,D3,L2,V3,M2}  { ! subset( unordered_pair( X, Y ), Z )
% 0.72/1.11    , in( Y, Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (10) {G0,W11,D3,L3,V3,M3} I { ! in( X, Z ), ! in( Y, Z ), 
% 0.72/1.11    subset( unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  parent0: (130) {G0,W11,D3,L3,V3,M3}  { ! in( X, Z ), ! in( Y, Z ), subset( 
% 0.72/1.11    unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11     2 ==> 2
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (11) {G0,W7,D2,L2,V0,M2} I { alpha1( skol3, skol4, skol5 ), in
% 0.72/1.11    ( skol3, skol5 ) }.
% 0.72/1.11  parent0: (131) {G0,W7,D2,L2,V0,M2}  { alpha1( skol3, skol4, skol5 ), in( 
% 0.72/1.11    skol3, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (12) {G0,W7,D2,L2,V0,M2} I { alpha1( skol3, skol4, skol5 ), in
% 0.72/1.11    ( skol4, skol5 ) }.
% 0.72/1.11  parent0: (132) {G0,W7,D2,L2,V0,M2}  { alpha1( skol3, skol4, skol5 ), in( 
% 0.72/1.11    skol4, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (13) {G0,W11,D4,L2,V0,M2} I { alpha1( skol3, skol4, skol5 ), !
% 0.72/1.11     set_difference( unordered_pair( skol3, skol4 ), skol5 ) ==> empty_set
% 0.72/1.11     }.
% 0.72/1.11  parent0: (133) {G0,W11,D4,L2,V0,M2}  { alpha1( skol3, skol4, skol5 ), ! 
% 0.72/1.11    set_difference( unordered_pair( skol3, skol4 ), skol5 ) = empty_set }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (14) {G0,W11,D4,L2,V3,M2} I { ! alpha1( X, Y, Z ), 
% 0.72/1.11    set_difference( unordered_pair( X, Y ), Z ) ==> empty_set }.
% 0.72/1.11  parent0: (134) {G0,W11,D4,L2,V3,M2}  { ! alpha1( X, Y, Z ), set_difference
% 0.72/1.11    ( unordered_pair( X, Y ), Z ) = empty_set }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (15) {G0,W10,D2,L3,V3,M3} I { ! alpha1( X, Y, Z ), ! in( X, Z
% 0.72/1.11     ), ! in( Y, Z ) }.
% 0.72/1.11  parent0: (135) {G0,W10,D2,L3,V3,M3}  { ! alpha1( X, Y, Z ), ! in( X, Z ), !
% 0.72/1.11     in( Y, Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11     2 ==> 2
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (179) {G0,W8,D3,L2,V2,M2}  { ! empty_set ==> set_difference( X, Y )
% 0.72/1.11    , subset( X, Y ) }.
% 0.72/1.11  parent0[0]: (6) {G0,W8,D3,L2,V2,M2} I { ! set_difference( X, Y ) ==> 
% 0.72/1.11    empty_set, subset( X, Y ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (180) {G1,W10,D4,L2,V3,M2}  { in( Y, Z ), ! empty_set ==> 
% 0.72/1.11    set_difference( unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  parent0[0]: (9) {G0,W8,D3,L2,V3,M2} I { ! subset( unordered_pair( X, Y ), Z
% 0.72/1.11     ), in( Y, Z ) }.
% 0.72/1.11  parent1[1]: (179) {G0,W8,D3,L2,V2,M2}  { ! empty_set ==> set_difference( X
% 0.72/1.11    , Y ), subset( X, Y ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11     X := unordered_pair( X, Y )
% 0.72/1.11     Y := Z
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (181) {G1,W10,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X, 
% 0.72/1.11    Y ), Z ) ==> empty_set, in( Y, Z ) }.
% 0.72/1.11  parent0[1]: (180) {G1,W10,D4,L2,V3,M2}  { in( Y, Z ), ! empty_set ==> 
% 0.72/1.11    set_difference( unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (31) {G1,W10,D4,L2,V3,M2} R(6,9) { ! set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ) ==> empty_set, in( Y, Z ) }.
% 0.72/1.11  parent0: (181) {G1,W10,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X
% 0.72/1.11    , Y ), Z ) ==> empty_set, in( Y, Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11     1 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (182) {G0,W8,D3,L2,V2,M2}  { ! empty_set ==> set_difference( X, Y )
% 0.72/1.11    , subset( X, Y ) }.
% 0.72/1.11  parent0[0]: (6) {G0,W8,D3,L2,V2,M2} I { ! set_difference( X, Y ) ==> 
% 0.72/1.11    empty_set, subset( X, Y ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (183) {G1,W10,D4,L2,V3,M2}  { in( X, Z ), ! empty_set ==> 
% 0.72/1.11    set_difference( unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  parent0[0]: (8) {G0,W8,D3,L2,V3,M2} I { ! subset( unordered_pair( X, Y ), Z
% 0.72/1.11     ), in( X, Z ) }.
% 0.72/1.11  parent1[1]: (182) {G0,W8,D3,L2,V2,M2}  { ! empty_set ==> set_difference( X
% 0.72/1.11    , Y ), subset( X, Y ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11     X := unordered_pair( X, Y )
% 0.72/1.11     Y := Z
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (184) {G1,W10,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X, 
% 0.72/1.11    Y ), Z ) ==> empty_set, in( X, Z ) }.
% 0.72/1.11  parent0[1]: (183) {G1,W10,D4,L2,V3,M2}  { in( X, Z ), ! empty_set ==> 
% 0.72/1.11    set_difference( unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (45) {G1,W10,D4,L2,V3,M2} R(8,6) { in( X, Y ), ! 
% 0.72/1.11    set_difference( unordered_pair( X, Z ), Y ) ==> empty_set }.
% 0.72/1.11  parent0: (184) {G1,W10,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X
% 0.72/1.11    , Y ), Z ) ==> empty_set, in( X, Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Z
% 0.72/1.11     Z := Y
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 1
% 0.72/1.11     1 ==> 0
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (185) {G0,W8,D3,L2,V2,M2}  { empty_set ==> set_difference( X, Y ), 
% 0.72/1.11    ! subset( X, Y ) }.
% 0.72/1.11  parent0[1]: (7) {G0,W8,D3,L2,V2,M2} I { ! subset( X, Y ), set_difference( X
% 0.72/1.11    , Y ) ==> empty_set }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (186) {G1,W13,D4,L3,V3,M3}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), ! in( X, Z ), ! in( Y, Z ) }.
% 0.72/1.11  parent0[1]: (185) {G0,W8,D3,L2,V2,M2}  { empty_set ==> set_difference( X, Y
% 0.72/1.11     ), ! subset( X, Y ) }.
% 0.72/1.11  parent1[2]: (10) {G0,W11,D3,L3,V3,M3} I { ! in( X, Z ), ! in( Y, Z ), 
% 0.72/1.11    subset( unordered_pair( X, Y ), Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := unordered_pair( X, Y )
% 0.72/1.11     Y := Z
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (187) {G1,W13,D4,L3,V3,M3}  { set_difference( unordered_pair( X, Y
% 0.72/1.11     ), Z ) ==> empty_set, ! in( X, Z ), ! in( Y, Z ) }.
% 0.72/1.11  parent0[0]: (186) {G1,W13,D4,L3,V3,M3}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), ! in( X, Z ), ! in( Y, Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (57) {G1,W13,D4,L3,V3,M3} R(10,7) { ! in( X, Y ), ! in( Z, Y )
% 0.72/1.11    , set_difference( unordered_pair( X, Z ), Y ) ==> empty_set }.
% 0.72/1.11  parent0: (187) {G1,W13,D4,L3,V3,M3}  { set_difference( unordered_pair( X, Y
% 0.72/1.11     ), Z ) ==> empty_set, ! in( X, Z ), ! in( Y, Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Z
% 0.72/1.11     Z := Y
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 2
% 0.72/1.11     1 ==> 0
% 0.72/1.11     2 ==> 1
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (190) {G0,W11,D4,L2,V3,M2}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), ! alpha1( X, Y, Z ) }.
% 0.72/1.11  parent0[1]: (14) {G0,W11,D4,L2,V3,M2} I { ! alpha1( X, Y, Z ), 
% 0.72/1.11    set_difference( unordered_pair( X, Y ), Z ) ==> empty_set }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (191) {G1,W10,D4,L2,V3,M2}  { ! empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), in( X, Z ) }.
% 0.72/1.11  parent0[1]: (45) {G1,W10,D4,L2,V3,M2} R(8,6) { in( X, Y ), ! set_difference
% 0.72/1.11    ( unordered_pair( X, Z ), Y ) ==> empty_set }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Z
% 0.72/1.11     Z := Y
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (192) {G1,W10,D4,L2,V0,M2}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( skol3, skol4 ), skol5 ), in( skol3, skol5 ) }.
% 0.72/1.11  parent0[1]: (190) {G0,W11,D4,L2,V3,M2}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), ! alpha1( X, Y, Z ) }.
% 0.72/1.11  parent1[0]: (11) {G0,W7,D2,L2,V0,M2} I { alpha1( skol3, skol4, skol5 ), in
% 0.72/1.11    ( skol3, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := skol3
% 0.72/1.11     Y := skol4
% 0.72/1.11     Z := skol5
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (193) {G2,W6,D2,L2,V0,M2}  { in( skol3, skol5 ), in( skol3, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  parent0[0]: (191) {G1,W10,D4,L2,V3,M2}  { ! empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), in( X, Z ) }.
% 0.72/1.11  parent1[0]: (192) {G1,W10,D4,L2,V0,M2}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( skol3, skol4 ), skol5 ), in( skol3, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := skol3
% 0.72/1.11     Y := skol4
% 0.72/1.11     Z := skol5
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  factor: (194) {G2,W3,D2,L1,V0,M1}  { in( skol3, skol5 ) }.
% 0.72/1.11  parent0[0, 1]: (193) {G2,W6,D2,L2,V0,M2}  { in( skol3, skol5 ), in( skol3, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (89) {G2,W3,D2,L1,V0,M1} R(14,11);r(45) { in( skol3, skol5 )
% 0.72/1.11     }.
% 0.72/1.11  parent0: (194) {G2,W3,D2,L1,V0,M1}  { in( skol3, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (195) {G0,W11,D4,L2,V3,M2}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), ! alpha1( X, Y, Z ) }.
% 0.72/1.11  parent0[1]: (14) {G0,W11,D4,L2,V3,M2} I { ! alpha1( X, Y, Z ), 
% 0.72/1.11    set_difference( unordered_pair( X, Y ), Z ) ==> empty_set }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (196) {G1,W10,D4,L2,V3,M2}  { ! empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), in( Y, Z ) }.
% 0.72/1.11  parent0[0]: (31) {G1,W10,D4,L2,V3,M2} R(6,9) { ! set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ) ==> empty_set, in( Y, Z ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := X
% 0.72/1.11     Y := Y
% 0.72/1.11     Z := Z
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (197) {G1,W10,D4,L2,V0,M2}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( skol3, skol4 ), skol5 ), in( skol4, skol5 ) }.
% 0.72/1.11  parent0[1]: (195) {G0,W11,D4,L2,V3,M2}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), ! alpha1( X, Y, Z ) }.
% 0.72/1.11  parent1[0]: (12) {G0,W7,D2,L2,V0,M2} I { alpha1( skol3, skol4, skol5 ), in
% 0.72/1.11    ( skol4, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := skol3
% 0.72/1.11     Y := skol4
% 0.72/1.11     Z := skol5
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (198) {G2,W6,D2,L2,V0,M2}  { in( skol4, skol5 ), in( skol4, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  parent0[0]: (196) {G1,W10,D4,L2,V3,M2}  { ! empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( X, Y ), Z ), in( Y, Z ) }.
% 0.72/1.11  parent1[0]: (197) {G1,W10,D4,L2,V0,M2}  { empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( skol3, skol4 ), skol5 ), in( skol4, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := skol3
% 0.72/1.11     Y := skol4
% 0.72/1.11     Z := skol5
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  factor: (199) {G2,W3,D2,L1,V0,M1}  { in( skol4, skol5 ) }.
% 0.72/1.11  parent0[0, 1]: (198) {G2,W6,D2,L2,V0,M2}  { in( skol4, skol5 ), in( skol4, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (91) {G2,W3,D2,L1,V0,M1} R(14,12);r(31) { in( skol4, skol5 )
% 0.72/1.11     }.
% 0.72/1.11  parent0: (199) {G2,W3,D2,L1,V0,M1}  { in( skol4, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqswap: (200) {G0,W11,D4,L2,V0,M2}  { ! empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( skol3, skol4 ), skol5 ), alpha1( skol3, skol4, skol5 )
% 0.72/1.11     }.
% 0.72/1.11  parent0[1]: (13) {G0,W11,D4,L2,V0,M2} I { alpha1( skol3, skol4, skol5 ), ! 
% 0.72/1.11    set_difference( unordered_pair( skol3, skol4 ), skol5 ) ==> empty_set }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (202) {G1,W13,D4,L3,V0,M3}  { ! in( skol3, skol5 ), ! in( skol4
% 0.72/1.11    , skol5 ), ! empty_set ==> set_difference( unordered_pair( skol3, skol4 )
% 0.72/1.11    , skol5 ) }.
% 0.72/1.11  parent0[0]: (15) {G0,W10,D2,L3,V3,M3} I { ! alpha1( X, Y, Z ), ! in( X, Z )
% 0.72/1.11    , ! in( Y, Z ) }.
% 0.72/1.11  parent1[1]: (200) {G0,W11,D4,L2,V0,M2}  { ! empty_set ==> set_difference( 
% 0.72/1.11    unordered_pair( skol3, skol4 ), skol5 ), alpha1( skol3, skol4, skol5 )
% 0.72/1.11     }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := skol3
% 0.72/1.11     Y := skol4
% 0.72/1.11     Z := skol5
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  paramod: (203) {G2,W15,D2,L5,V0,M5}  { ! empty_set ==> empty_set, ! in( 
% 0.72/1.11    skol3, skol5 ), ! in( skol4, skol5 ), ! in( skol3, skol5 ), ! in( skol4, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  parent0[2]: (57) {G1,W13,D4,L3,V3,M3} R(10,7) { ! in( X, Y ), ! in( Z, Y )
% 0.72/1.11    , set_difference( unordered_pair( X, Z ), Y ) ==> empty_set }.
% 0.72/1.11  parent1[2; 3]: (202) {G1,W13,D4,L3,V0,M3}  { ! in( skol3, skol5 ), ! in( 
% 0.72/1.11    skol4, skol5 ), ! empty_set ==> set_difference( unordered_pair( skol3, 
% 0.72/1.11    skol4 ), skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11     X := skol3
% 0.72/1.11     Y := skol5
% 0.72/1.11     Z := skol4
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  factor: (204) {G2,W12,D2,L4,V0,M4}  { ! empty_set ==> empty_set, ! in( 
% 0.72/1.11    skol3, skol5 ), ! in( skol4, skol5 ), ! in( skol4, skol5 ) }.
% 0.72/1.11  parent0[1, 3]: (203) {G2,W15,D2,L5,V0,M5}  { ! empty_set ==> empty_set, ! 
% 0.72/1.11    in( skol3, skol5 ), ! in( skol4, skol5 ), ! in( skol3, skol5 ), ! in( 
% 0.72/1.11    skol4, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  factor: (205) {G2,W9,D2,L3,V0,M3}  { ! empty_set ==> empty_set, ! in( skol3
% 0.72/1.11    , skol5 ), ! in( skol4, skol5 ) }.
% 0.72/1.11  parent0[2, 3]: (204) {G2,W12,D2,L4,V0,M4}  { ! empty_set ==> empty_set, ! 
% 0.72/1.11    in( skol3, skol5 ), ! in( skol4, skol5 ), ! in( skol4, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  eqrefl: (206) {G0,W6,D2,L2,V0,M2}  { ! in( skol3, skol5 ), ! in( skol4, 
% 0.72/1.11    skol5 ) }.
% 0.72/1.11  parent0[0]: (205) {G2,W9,D2,L3,V0,M3}  { ! empty_set ==> empty_set, ! in( 
% 0.72/1.11    skol3, skol5 ), ! in( skol4, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (207) {G1,W3,D2,L1,V0,M1}  { ! in( skol4, skol5 ) }.
% 0.72/1.11  parent0[0]: (206) {G0,W6,D2,L2,V0,M2}  { ! in( skol3, skol5 ), ! in( skol4
% 0.72/1.11    , skol5 ) }.
% 0.72/1.11  parent1[0]: (89) {G2,W3,D2,L1,V0,M1} R(14,11);r(45) { in( skol3, skol5 )
% 0.72/1.11     }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (109) {G3,W3,D2,L1,V0,M1} R(15,13);d(57);q;r(89) { ! in( skol4
% 0.72/1.11    , skol5 ) }.
% 0.72/1.11  parent0: (207) {G1,W3,D2,L1,V0,M1}  { ! in( skol4, skol5 ) }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11     0 ==> 0
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  resolution: (208) {G3,W0,D0,L0,V0,M0}  {  }.
% 0.72/1.11  parent0[0]: (109) {G3,W3,D2,L1,V0,M1} R(15,13);d(57);q;r(89) { ! in( skol4
% 0.72/1.11    , skol5 ) }.
% 0.72/1.11  parent1[0]: (91) {G2,W3,D2,L1,V0,M1} R(14,12);r(31) { in( skol4, skol5 )
% 0.72/1.11     }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  substitution1:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  subsumption: (118) {G4,W0,D0,L0,V0,M0} S(109);r(91) {  }.
% 0.72/1.11  parent0: (208) {G3,W0,D0,L0,V0,M0}  {  }.
% 0.72/1.11  substitution0:
% 0.72/1.11  end
% 0.72/1.11  permutation0:
% 0.72/1.11  end
% 0.72/1.11  
% 0.72/1.11  Proof check complete!
% 0.72/1.11  
% 0.72/1.11  Memory use:
% 0.72/1.11  
% 0.72/1.11  space for terms:        1406
% 0.72/1.11  space for clauses:      6404
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  clauses generated:      276
% 0.72/1.11  clauses kept:           119
% 0.72/1.11  clauses selected:       46
% 0.72/1.11  clauses deleted:        1
% 0.72/1.11  clauses inuse deleted:  0
% 0.72/1.11  
% 0.72/1.11  subsentry:          601
% 0.72/1.11  literals s-matched: 392
% 0.72/1.11  literals matched:   384
% 0.72/1.11  full subsumption:   39
% 0.72/1.11  
% 0.72/1.11  checksum:           -202018492
% 0.72/1.11  
% 0.72/1.11  
% 0.72/1.11  Bliksem ended
%------------------------------------------------------------------------------