TSTP Solution File: SET930+1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : SET930+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n009.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 0.71s 1.10s
% Output   : Refutation 0.71s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SET930+1 : TPTP v8.1.0. Released v3.2.0.
% 0.12/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n009.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 21:19:22 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.71/1.10  *** allocated 10000 integers for termspace/termends
% 0.71/1.10  *** allocated 10000 integers for clauses
% 0.71/1.10  *** allocated 10000 integers for justifications
% 0.71/1.10  Bliksem 1.12
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  Automatic Strategy Selection
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  Clauses:
% 0.71/1.10  
% 0.71/1.10  { ! in( X, Y ), ! in( Y, X ) }.
% 0.71/1.10  { unordered_pair( X, Y ) = unordered_pair( Y, X ) }.
% 0.71/1.10  { empty( empty_set ) }.
% 0.71/1.10  { ! set_difference( unordered_pair( X, Y ), Z ) = singleton( X ), ! in( X, 
% 0.71/1.10    Z ) }.
% 0.71/1.10  { ! set_difference( unordered_pair( X, Y ), Z ) = singleton( X ), alpha1( X
% 0.71/1.10    , Y, Z ) }.
% 0.71/1.10  { in( X, Z ), ! alpha1( X, Y, Z ), set_difference( unordered_pair( X, Y ), 
% 0.71/1.10    Z ) = singleton( X ) }.
% 0.71/1.10  { ! alpha1( X, Y, Z ), in( Y, Z ), X = Y }.
% 0.71/1.10  { ! in( Y, Z ), alpha1( X, Y, Z ) }.
% 0.71/1.10  { ! X = Y, alpha1( X, Y, Z ) }.
% 0.71/1.10  { empty( skol1 ) }.
% 0.71/1.10  { ! empty( skol2 ) }.
% 0.71/1.10  { ! set_difference( unordered_pair( X, Y ), Z ) = unordered_pair( X, Y ), !
% 0.71/1.10     in( X, Z ) }.
% 0.71/1.10  { ! set_difference( unordered_pair( X, Y ), Z ) = unordered_pair( X, Y ), !
% 0.71/1.10     in( Y, Z ) }.
% 0.71/1.10  { in( X, Z ), in( Y, Z ), set_difference( unordered_pair( X, Y ), Z ) = 
% 0.71/1.10    unordered_pair( X, Y ) }.
% 0.71/1.10  { ! set_difference( unordered_pair( X, Y ), Z ) = empty_set, in( X, Z ) }.
% 0.71/1.10  { ! set_difference( unordered_pair( X, Y ), Z ) = empty_set, in( Y, Z ) }.
% 0.71/1.10  { ! in( X, Z ), ! in( Y, Z ), set_difference( unordered_pair( X, Y ), Z ) =
% 0.71/1.10     empty_set }.
% 0.71/1.10  { ! set_difference( unordered_pair( skol3, skol4 ), skol5 ) = empty_set }.
% 0.71/1.10  { ! set_difference( unordered_pair( skol3, skol4 ), skol5 ) = singleton( 
% 0.71/1.10    skol3 ) }.
% 0.71/1.10  { ! set_difference( unordered_pair( skol3, skol4 ), skol5 ) = singleton( 
% 0.71/1.10    skol4 ) }.
% 0.71/1.10  { ! set_difference( unordered_pair( skol3, skol4 ), skol5 ) = 
% 0.71/1.10    unordered_pair( skol3, skol4 ) }.
% 0.71/1.10  
% 0.71/1.10  percentage equality = 0.421053, percentage horn = 0.857143
% 0.71/1.10  This is a problem with some equality
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  Options Used:
% 0.71/1.10  
% 0.71/1.10  useres =            1
% 0.71/1.10  useparamod =        1
% 0.71/1.10  useeqrefl =         1
% 0.71/1.10  useeqfact =         1
% 0.71/1.10  usefactor =         1
% 0.71/1.10  usesimpsplitting =  0
% 0.71/1.10  usesimpdemod =      5
% 0.71/1.10  usesimpres =        3
% 0.71/1.10  
% 0.71/1.10  resimpinuse      =  1000
% 0.71/1.10  resimpclauses =     20000
% 0.71/1.10  substype =          eqrewr
% 0.71/1.10  backwardsubs =      1
% 0.71/1.10  selectoldest =      5
% 0.71/1.10  
% 0.71/1.10  litorderings [0] =  split
% 0.71/1.10  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.71/1.10  
% 0.71/1.10  termordering =      kbo
% 0.71/1.10  
% 0.71/1.10  litapriori =        0
% 0.71/1.10  termapriori =       1
% 0.71/1.10  litaposteriori =    0
% 0.71/1.10  termaposteriori =   0
% 0.71/1.10  demodaposteriori =  0
% 0.71/1.10  ordereqreflfact =   0
% 0.71/1.10  
% 0.71/1.10  litselect =         negord
% 0.71/1.10  
% 0.71/1.10  maxweight =         15
% 0.71/1.10  maxdepth =          30000
% 0.71/1.10  maxlength =         115
% 0.71/1.10  maxnrvars =         195
% 0.71/1.10  excuselevel =       1
% 0.71/1.10  increasemaxweight = 1
% 0.71/1.10  
% 0.71/1.10  maxselected =       10000000
% 0.71/1.10  maxnrclauses =      10000000
% 0.71/1.10  
% 0.71/1.10  showgenerated =    0
% 0.71/1.10  showkept =         0
% 0.71/1.10  showselected =     0
% 0.71/1.10  showdeleted =      0
% 0.71/1.10  showresimp =       1
% 0.71/1.10  showstatus =       2000
% 0.71/1.10  
% 0.71/1.10  prologoutput =     0
% 0.71/1.10  nrgoals =          5000000
% 0.71/1.10  totalproof =       1
% 0.71/1.10  
% 0.71/1.10  Symbols occurring in the translation:
% 0.71/1.10  
% 0.71/1.10  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.71/1.10  .  [1, 2]      (w:1, o:22, a:1, s:1, b:0), 
% 0.71/1.10  !  [4, 1]      (w:0, o:15, a:1, s:1, b:0), 
% 0.71/1.10  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.71/1.10  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.71/1.10  in  [37, 2]      (w:1, o:46, a:1, s:1, b:0), 
% 0.71/1.10  unordered_pair  [38, 2]      (w:1, o:47, a:1, s:1, b:0), 
% 0.71/1.10  empty_set  [39, 0]      (w:1, o:8, a:1, s:1, b:0), 
% 0.71/1.10  empty  [40, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 0.71/1.10  set_difference  [42, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.71/1.10  singleton  [43, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.71/1.10  alpha1  [44, 3]      (w:1, o:49, a:1, s:1, b:1), 
% 0.71/1.10  skol1  [45, 0]      (w:1, o:10, a:1, s:1, b:1), 
% 0.71/1.10  skol2  [46, 0]      (w:1, o:11, a:1, s:1, b:1), 
% 0.71/1.10  skol3  [47, 0]      (w:1, o:12, a:1, s:1, b:1), 
% 0.71/1.10  skol4  [48, 0]      (w:1, o:13, a:1, s:1, b:1), 
% 0.71/1.10  skol5  [49, 0]      (w:1, o:14, a:1, s:1, b:1).
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  Starting Search:
% 0.71/1.10  
% 0.71/1.10  *** allocated 15000 integers for clauses
% 0.71/1.10  *** allocated 22500 integers for clauses
% 0.71/1.10  *** allocated 33750 integers for clauses
% 0.71/1.10  *** allocated 50625 integers for clauses
% 0.71/1.10  *** allocated 15000 integers for termspace/termends
% 0.71/1.10  
% 0.71/1.10  Bliksems!, er is een bewijs:
% 0.71/1.10  % SZS status Theorem
% 0.71/1.10  % SZS output start Refutation
% 0.71/1.10  
% 0.71/1.10  (1) {G0,W7,D3,L1,V2,M1} I { unordered_pair( X, Y ) = unordered_pair( Y, X )
% 0.71/1.10     }.
% 0.71/1.10  (5) {G0,W15,D4,L3,V3,M3} I { in( X, Z ), ! alpha1( X, Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) ==> singleton( X ) }.
% 0.71/1.10  (7) {G0,W7,D2,L2,V3,M2} I { ! in( Y, Z ), alpha1( X, Y, Z ) }.
% 0.71/1.10  (13) {G0,W15,D4,L3,V3,M3} I { in( X, Z ), in( Y, Z ), set_difference( 
% 0.71/1.10    unordered_pair( X, Y ), Z ) ==> unordered_pair( X, Y ) }.
% 0.71/1.10  (16) {G0,W13,D4,L3,V3,M3} I { ! in( X, Z ), ! in( Y, Z ), set_difference( 
% 0.71/1.10    unordered_pair( X, Y ), Z ) ==> empty_set }.
% 0.71/1.10  (17) {G0,W7,D4,L1,V0,M1} I { ! set_difference( unordered_pair( skol3, skol4
% 0.71/1.10     ), skol5 ) ==> empty_set }.
% 0.71/1.10  (18) {G0,W8,D4,L1,V0,M1} I { ! set_difference( unordered_pair( skol3, skol4
% 0.71/1.10     ), skol5 ) ==> singleton( skol3 ) }.
% 0.71/1.10  (19) {G0,W8,D4,L1,V0,M1} I { ! set_difference( unordered_pair( skol3, skol4
% 0.71/1.10     ), skol5 ) ==> singleton( skol4 ) }.
% 0.71/1.10  (20) {G0,W9,D4,L1,V0,M1} I { ! set_difference( unordered_pair( skol3, skol4
% 0.71/1.10     ), skol5 ) ==> unordered_pair( skol3, skol4 ) }.
% 0.71/1.10  (26) {G1,W7,D4,L1,V0,M1} P(1,17) { ! set_difference( unordered_pair( skol4
% 0.71/1.10    , skol3 ), skol5 ) ==> empty_set }.
% 0.71/1.10  (28) {G1,W8,D4,L1,V0,M1} P(1,19) { ! set_difference( unordered_pair( skol4
% 0.71/1.10    , skol3 ), skol5 ) ==> singleton( skol4 ) }.
% 0.71/1.10  (31) {G1,W9,D4,L1,V0,M1} P(1,20) { ! set_difference( unordered_pair( skol4
% 0.71/1.10    , skol3 ), skol5 ) ==> unordered_pair( skol4, skol3 ) }.
% 0.71/1.10  (32) {G1,W7,D2,L2,V0,M2} R(5,18) { in( skol3, skol5 ), ! alpha1( skol3, 
% 0.71/1.10    skol4, skol5 ) }.
% 0.71/1.10  (33) {G2,W7,D2,L2,V0,M2} R(5,28) { in( skol4, skol5 ), ! alpha1( skol4, 
% 0.71/1.10    skol3, skol5 ) }.
% 0.71/1.10  (44) {G2,W6,D2,L2,V0,M2} R(32,7) { in( skol3, skol5 ), ! in( skol4, skol5 )
% 0.71/1.10     }.
% 0.71/1.10  (399) {G3,W3,D2,L1,V0,M1} R(13,31);r(44) { in( skol3, skol5 ) }.
% 0.71/1.10  (415) {G4,W4,D2,L1,V1,M1} R(399,7) { alpha1( X, skol3, skol5 ) }.
% 0.71/1.10  (543) {G3,W3,D2,L1,V0,M1} R(16,26);r(44) { ! in( skol4, skol5 ) }.
% 0.71/1.10  (807) {G5,W0,D0,L0,V0,M0} S(33);r(543);r(415) {  }.
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  % SZS output end Refutation
% 0.71/1.10  found a proof!
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  Unprocessed initial clauses:
% 0.71/1.10  
% 0.71/1.10  (809) {G0,W6,D2,L2,V2,M2}  { ! in( X, Y ), ! in( Y, X ) }.
% 0.71/1.10  (810) {G0,W7,D3,L1,V2,M1}  { unordered_pair( X, Y ) = unordered_pair( Y, X
% 0.71/1.10     ) }.
% 0.71/1.10  (811) {G0,W2,D2,L1,V0,M1}  { empty( empty_set ) }.
% 0.71/1.10  (812) {G0,W11,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X, Y ), Z )
% 0.71/1.10     = singleton( X ), ! in( X, Z ) }.
% 0.71/1.10  (813) {G0,W12,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X, Y ), Z )
% 0.71/1.10     = singleton( X ), alpha1( X, Y, Z ) }.
% 0.71/1.10  (814) {G0,W15,D4,L3,V3,M3}  { in( X, Z ), ! alpha1( X, Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) = singleton( X ) }.
% 0.71/1.10  (815) {G0,W10,D2,L3,V3,M3}  { ! alpha1( X, Y, Z ), in( Y, Z ), X = Y }.
% 0.71/1.10  (816) {G0,W7,D2,L2,V3,M2}  { ! in( Y, Z ), alpha1( X, Y, Z ) }.
% 0.71/1.10  (817) {G0,W7,D2,L2,V3,M2}  { ! X = Y, alpha1( X, Y, Z ) }.
% 0.71/1.10  (818) {G0,W2,D2,L1,V0,M1}  { empty( skol1 ) }.
% 0.71/1.10  (819) {G0,W2,D2,L1,V0,M1}  { ! empty( skol2 ) }.
% 0.71/1.10  (820) {G0,W12,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X, Y ), Z )
% 0.71/1.10     = unordered_pair( X, Y ), ! in( X, Z ) }.
% 0.71/1.10  (821) {G0,W12,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X, Y ), Z )
% 0.71/1.10     = unordered_pair( X, Y ), ! in( Y, Z ) }.
% 0.71/1.10  (822) {G0,W15,D4,L3,V3,M3}  { in( X, Z ), in( Y, Z ), set_difference( 
% 0.71/1.10    unordered_pair( X, Y ), Z ) = unordered_pair( X, Y ) }.
% 0.71/1.10  (823) {G0,W10,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X, Y ), Z )
% 0.71/1.10     = empty_set, in( X, Z ) }.
% 0.71/1.10  (824) {G0,W10,D4,L2,V3,M2}  { ! set_difference( unordered_pair( X, Y ), Z )
% 0.71/1.10     = empty_set, in( Y, Z ) }.
% 0.71/1.10  (825) {G0,W13,D4,L3,V3,M3}  { ! in( X, Z ), ! in( Y, Z ), set_difference( 
% 0.71/1.10    unordered_pair( X, Y ), Z ) = empty_set }.
% 0.71/1.10  (826) {G0,W7,D4,L1,V0,M1}  { ! set_difference( unordered_pair( skol3, skol4
% 0.71/1.10     ), skol5 ) = empty_set }.
% 0.71/1.10  (827) {G0,W8,D4,L1,V0,M1}  { ! set_difference( unordered_pair( skol3, skol4
% 0.71/1.10     ), skol5 ) = singleton( skol3 ) }.
% 0.71/1.10  (828) {G0,W8,D4,L1,V0,M1}  { ! set_difference( unordered_pair( skol3, skol4
% 0.71/1.10     ), skol5 ) = singleton( skol4 ) }.
% 0.71/1.10  (829) {G0,W9,D4,L1,V0,M1}  { ! set_difference( unordered_pair( skol3, skol4
% 0.71/1.10     ), skol5 ) = unordered_pair( skol3, skol4 ) }.
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  Total Proof:
% 0.71/1.10  
% 0.71/1.10  subsumption: (1) {G0,W7,D3,L1,V2,M1} I { unordered_pair( X, Y ) = 
% 0.71/1.10    unordered_pair( Y, X ) }.
% 0.71/1.10  parent0: (810) {G0,W7,D3,L1,V2,M1}  { unordered_pair( X, Y ) = 
% 0.71/1.10    unordered_pair( Y, X ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := Y
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (5) {G0,W15,D4,L3,V3,M3} I { in( X, Z ), ! alpha1( X, Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) ==> singleton( X ) }.
% 0.71/1.10  parent0: (814) {G0,W15,D4,L3,V3,M3}  { in( X, Z ), ! alpha1( X, Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) = singleton( X ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := Y
% 0.71/1.10     Z := Z
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10     1 ==> 1
% 0.71/1.10     2 ==> 2
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (7) {G0,W7,D2,L2,V3,M2} I { ! in( Y, Z ), alpha1( X, Y, Z )
% 0.71/1.10     }.
% 0.71/1.10  parent0: (816) {G0,W7,D2,L2,V3,M2}  { ! in( Y, Z ), alpha1( X, Y, Z ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := Y
% 0.71/1.10     Z := Z
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10     1 ==> 1
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (13) {G0,W15,D4,L3,V3,M3} I { in( X, Z ), in( Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) ==> unordered_pair( X, Y )
% 0.71/1.10     }.
% 0.71/1.10  parent0: (822) {G0,W15,D4,L3,V3,M3}  { in( X, Z ), in( Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) = unordered_pair( X, Y ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := Y
% 0.71/1.10     Z := Z
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10     1 ==> 1
% 0.71/1.10     2 ==> 2
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (16) {G0,W13,D4,L3,V3,M3} I { ! in( X, Z ), ! in( Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) ==> empty_set }.
% 0.71/1.10  parent0: (825) {G0,W13,D4,L3,V3,M3}  { ! in( X, Z ), ! in( Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) = empty_set }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := Y
% 0.71/1.10     Z := Z
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10     1 ==> 1
% 0.71/1.10     2 ==> 2
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (17) {G0,W7,D4,L1,V0,M1} I { ! set_difference( unordered_pair
% 0.71/1.10    ( skol3, skol4 ), skol5 ) ==> empty_set }.
% 0.71/1.10  parent0: (826) {G0,W7,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol3, skol4 ), skol5 ) = empty_set }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (18) {G0,W8,D4,L1,V0,M1} I { ! set_difference( unordered_pair
% 0.71/1.10    ( skol3, skol4 ), skol5 ) ==> singleton( skol3 ) }.
% 0.71/1.10  parent0: (827) {G0,W8,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol3, skol4 ), skol5 ) = singleton( skol3 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (19) {G0,W8,D4,L1,V0,M1} I { ! set_difference( unordered_pair
% 0.71/1.10    ( skol3, skol4 ), skol5 ) ==> singleton( skol4 ) }.
% 0.71/1.10  parent0: (828) {G0,W8,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol3, skol4 ), skol5 ) = singleton( skol4 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (20) {G0,W9,D4,L1,V0,M1} I { ! set_difference( unordered_pair
% 0.71/1.10    ( skol3, skol4 ), skol5 ) ==> unordered_pair( skol3, skol4 ) }.
% 0.71/1.10  parent0: (829) {G0,W9,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol3, skol4 ), skol5 ) = unordered_pair( skol3, skol4 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (941) {G0,W7,D4,L1,V0,M1}  { ! empty_set ==> set_difference( 
% 0.71/1.10    unordered_pair( skol3, skol4 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (17) {G0,W7,D4,L1,V0,M1} I { ! set_difference( unordered_pair( 
% 0.71/1.10    skol3, skol4 ), skol5 ) ==> empty_set }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  paramod: (942) {G1,W7,D4,L1,V0,M1}  { ! empty_set ==> set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (1) {G0,W7,D3,L1,V2,M1} I { unordered_pair( X, Y ) = 
% 0.71/1.10    unordered_pair( Y, X ) }.
% 0.71/1.10  parent1[0; 4]: (941) {G0,W7,D4,L1,V0,M1}  { ! empty_set ==> set_difference
% 0.71/1.10    ( unordered_pair( skol3, skol4 ), skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := skol3
% 0.71/1.10     Y := skol4
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (945) {G1,W7,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol4, skol3 ), skol5 ) ==> empty_set }.
% 0.71/1.10  parent0[0]: (942) {G1,W7,D4,L1,V0,M1}  { ! empty_set ==> set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (26) {G1,W7,D4,L1,V0,M1} P(1,17) { ! set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) ==> empty_set }.
% 0.71/1.10  parent0: (945) {G1,W7,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol4, skol3 ), skol5 ) ==> empty_set }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (946) {G0,W8,D4,L1,V0,M1}  { ! singleton( skol4 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol3, skol4 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (19) {G0,W8,D4,L1,V0,M1} I { ! set_difference( unordered_pair( 
% 0.71/1.10    skol3, skol4 ), skol5 ) ==> singleton( skol4 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  paramod: (947) {G1,W8,D4,L1,V0,M1}  { ! singleton( skol4 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (1) {G0,W7,D3,L1,V2,M1} I { unordered_pair( X, Y ) = 
% 0.71/1.10    unordered_pair( Y, X ) }.
% 0.71/1.10  parent1[0; 5]: (946) {G0,W8,D4,L1,V0,M1}  { ! singleton( skol4 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol3, skol4 ), skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := skol3
% 0.71/1.10     Y := skol4
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (950) {G1,W8,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol4, skol3 ), skol5 ) ==> singleton( skol4 ) }.
% 0.71/1.10  parent0[0]: (947) {G1,W8,D4,L1,V0,M1}  { ! singleton( skol4 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (28) {G1,W8,D4,L1,V0,M1} P(1,19) { ! set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) ==> singleton( skol4 ) }.
% 0.71/1.10  parent0: (950) {G1,W8,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol4, skol3 ), skol5 ) ==> singleton( skol4 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (951) {G0,W9,D4,L1,V0,M1}  { ! unordered_pair( skol3, skol4 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol3, skol4 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (20) {G0,W9,D4,L1,V0,M1} I { ! set_difference( unordered_pair( 
% 0.71/1.10    skol3, skol4 ), skol5 ) ==> unordered_pair( skol3, skol4 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  paramod: (953) {G1,W9,D4,L1,V0,M1}  { ! unordered_pair( skol3, skol4 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (1) {G0,W7,D3,L1,V2,M1} I { unordered_pair( X, Y ) = 
% 0.71/1.10    unordered_pair( Y, X ) }.
% 0.71/1.10  parent1[0; 6]: (951) {G0,W9,D4,L1,V0,M1}  { ! unordered_pair( skol3, skol4
% 0.71/1.10     ) ==> set_difference( unordered_pair( skol3, skol4 ), skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := skol3
% 0.71/1.10     Y := skol4
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  paramod: (954) {G1,W9,D4,L1,V0,M1}  { ! unordered_pair( skol4, skol3 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (1) {G0,W7,D3,L1,V2,M1} I { unordered_pair( X, Y ) = 
% 0.71/1.10    unordered_pair( Y, X ) }.
% 0.71/1.10  parent1[0; 2]: (953) {G1,W9,D4,L1,V0,M1}  { ! unordered_pair( skol3, skol4
% 0.71/1.10     ) ==> set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := skol3
% 0.71/1.10     Y := skol4
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (957) {G1,W9,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol4, skol3 ), skol5 ) ==> unordered_pair( skol4, skol3 ) }.
% 0.71/1.10  parent0[0]: (954) {G1,W9,D4,L1,V0,M1}  { ! unordered_pair( skol4, skol3 ) 
% 0.71/1.10    ==> set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (31) {G1,W9,D4,L1,V0,M1} P(1,20) { ! set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) ==> unordered_pair( skol4, skol3
% 0.71/1.10     ) }.
% 0.71/1.10  parent0: (957) {G1,W9,D4,L1,V0,M1}  { ! set_difference( unordered_pair( 
% 0.71/1.10    skol4, skol3 ), skol5 ) ==> unordered_pair( skol4, skol3 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (960) {G0,W15,D4,L3,V3,M3}  { singleton( X ) ==> set_difference( 
% 0.71/1.10    unordered_pair( X, Y ), Z ), in( X, Z ), ! alpha1( X, Y, Z ) }.
% 0.71/1.10  parent0[2]: (5) {G0,W15,D4,L3,V3,M3} I { in( X, Z ), ! alpha1( X, Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) ==> singleton( X ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := Y
% 0.71/1.10     Z := Z
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (961) {G0,W8,D4,L1,V0,M1}  { ! singleton( skol3 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol3, skol4 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (18) {G0,W8,D4,L1,V0,M1} I { ! set_difference( unordered_pair( 
% 0.71/1.10    skol3, skol4 ), skol5 ) ==> singleton( skol3 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (962) {G1,W7,D2,L2,V0,M2}  { in( skol3, skol5 ), ! alpha1( 
% 0.71/1.10    skol3, skol4, skol5 ) }.
% 0.71/1.10  parent0[0]: (961) {G0,W8,D4,L1,V0,M1}  { ! singleton( skol3 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol3, skol4 ), skol5 ) }.
% 0.71/1.10  parent1[0]: (960) {G0,W15,D4,L3,V3,M3}  { singleton( X ) ==> set_difference
% 0.71/1.10    ( unordered_pair( X, Y ), Z ), in( X, Z ), ! alpha1( X, Y, Z ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10     X := skol3
% 0.71/1.10     Y := skol4
% 0.71/1.10     Z := skol5
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (32) {G1,W7,D2,L2,V0,M2} R(5,18) { in( skol3, skol5 ), ! 
% 0.71/1.10    alpha1( skol3, skol4, skol5 ) }.
% 0.71/1.10  parent0: (962) {G1,W7,D2,L2,V0,M2}  { in( skol3, skol5 ), ! alpha1( skol3, 
% 0.71/1.10    skol4, skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10     1 ==> 1
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (963) {G0,W15,D4,L3,V3,M3}  { singleton( X ) ==> set_difference( 
% 0.71/1.10    unordered_pair( X, Y ), Z ), in( X, Z ), ! alpha1( X, Y, Z ) }.
% 0.71/1.10  parent0[2]: (5) {G0,W15,D4,L3,V3,M3} I { in( X, Z ), ! alpha1( X, Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) ==> singleton( X ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := Y
% 0.71/1.10     Z := Z
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (964) {G1,W8,D4,L1,V0,M1}  { ! singleton( skol4 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (28) {G1,W8,D4,L1,V0,M1} P(1,19) { ! set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) ==> singleton( skol4 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (965) {G1,W7,D2,L2,V0,M2}  { in( skol4, skol5 ), ! alpha1( 
% 0.71/1.10    skol4, skol3, skol5 ) }.
% 0.71/1.10  parent0[0]: (964) {G1,W8,D4,L1,V0,M1}  { ! singleton( skol4 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent1[0]: (963) {G0,W15,D4,L3,V3,M3}  { singleton( X ) ==> set_difference
% 0.71/1.10    ( unordered_pair( X, Y ), Z ), in( X, Z ), ! alpha1( X, Y, Z ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10     X := skol4
% 0.71/1.10     Y := skol3
% 0.71/1.10     Z := skol5
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (33) {G2,W7,D2,L2,V0,M2} R(5,28) { in( skol4, skol5 ), ! 
% 0.71/1.10    alpha1( skol4, skol3, skol5 ) }.
% 0.71/1.10  parent0: (965) {G1,W7,D2,L2,V0,M2}  { in( skol4, skol5 ), ! alpha1( skol4, 
% 0.71/1.10    skol3, skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10     1 ==> 1
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (966) {G1,W6,D2,L2,V0,M2}  { in( skol3, skol5 ), ! in( skol4, 
% 0.71/1.10    skol5 ) }.
% 0.71/1.10  parent0[1]: (32) {G1,W7,D2,L2,V0,M2} R(5,18) { in( skol3, skol5 ), ! alpha1
% 0.71/1.10    ( skol3, skol4, skol5 ) }.
% 0.71/1.10  parent1[1]: (7) {G0,W7,D2,L2,V3,M2} I { ! in( Y, Z ), alpha1( X, Y, Z ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10     X := skol3
% 0.71/1.10     Y := skol4
% 0.71/1.10     Z := skol5
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (44) {G2,W6,D2,L2,V0,M2} R(32,7) { in( skol3, skol5 ), ! in( 
% 0.71/1.10    skol4, skol5 ) }.
% 0.71/1.10  parent0: (966) {G1,W6,D2,L2,V0,M2}  { in( skol3, skol5 ), ! in( skol4, 
% 0.71/1.10    skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10     1 ==> 1
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (967) {G0,W15,D4,L3,V3,M3}  { unordered_pair( X, Y ) ==> 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ), in( X, Z ), in( Y, Z ) }.
% 0.71/1.10  parent0[2]: (13) {G0,W15,D4,L3,V3,M3} I { in( X, Z ), in( Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) ==> unordered_pair( X, Y )
% 0.71/1.10     }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := Y
% 0.71/1.10     Z := Z
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (968) {G1,W9,D4,L1,V0,M1}  { ! unordered_pair( skol4, skol3 ) ==> 
% 0.71/1.10    set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (31) {G1,W9,D4,L1,V0,M1} P(1,20) { ! set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) ==> unordered_pair( skol4, skol3
% 0.71/1.10     ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (969) {G1,W6,D2,L2,V0,M2}  { in( skol4, skol5 ), in( skol3, 
% 0.71/1.10    skol5 ) }.
% 0.71/1.10  parent0[0]: (968) {G1,W9,D4,L1,V0,M1}  { ! unordered_pair( skol4, skol3 ) 
% 0.71/1.10    ==> set_difference( unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent1[0]: (967) {G0,W15,D4,L3,V3,M3}  { unordered_pair( X, Y ) ==> 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ), in( X, Z ), in( Y, Z ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10     X := skol4
% 0.71/1.10     Y := skol3
% 0.71/1.10     Z := skol5
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (970) {G2,W6,D2,L2,V0,M2}  { in( skol3, skol5 ), in( skol3, 
% 0.71/1.10    skol5 ) }.
% 0.71/1.10  parent0[1]: (44) {G2,W6,D2,L2,V0,M2} R(32,7) { in( skol3, skol5 ), ! in( 
% 0.71/1.10    skol4, skol5 ) }.
% 0.71/1.10  parent1[0]: (969) {G1,W6,D2,L2,V0,M2}  { in( skol4, skol5 ), in( skol3, 
% 0.71/1.10    skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  factor: (971) {G2,W3,D2,L1,V0,M1}  { in( skol3, skol5 ) }.
% 0.71/1.10  parent0[0, 1]: (970) {G2,W6,D2,L2,V0,M2}  { in( skol3, skol5 ), in( skol3, 
% 0.71/1.10    skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (399) {G3,W3,D2,L1,V0,M1} R(13,31);r(44) { in( skol3, skol5 )
% 0.71/1.10     }.
% 0.71/1.10  parent0: (971) {G2,W3,D2,L1,V0,M1}  { in( skol3, skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (972) {G1,W4,D2,L1,V1,M1}  { alpha1( X, skol3, skol5 ) }.
% 0.71/1.10  parent0[0]: (7) {G0,W7,D2,L2,V3,M2} I { ! in( Y, Z ), alpha1( X, Y, Z ) }.
% 0.71/1.10  parent1[0]: (399) {G3,W3,D2,L1,V0,M1} R(13,31);r(44) { in( skol3, skol5 )
% 0.71/1.10     }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := skol3
% 0.71/1.10     Z := skol5
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (415) {G4,W4,D2,L1,V1,M1} R(399,7) { alpha1( X, skol3, skol5 )
% 0.71/1.10     }.
% 0.71/1.10  parent0: (972) {G1,W4,D2,L1,V1,M1}  { alpha1( X, skol3, skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (973) {G0,W13,D4,L3,V3,M3}  { empty_set ==> set_difference( 
% 0.71/1.10    unordered_pair( X, Y ), Z ), ! in( X, Z ), ! in( Y, Z ) }.
% 0.71/1.10  parent0[2]: (16) {G0,W13,D4,L3,V3,M3} I { ! in( X, Z ), ! in( Y, Z ), 
% 0.71/1.10    set_difference( unordered_pair( X, Y ), Z ) ==> empty_set }.
% 0.71/1.10  substitution0:
% 0.71/1.10     X := X
% 0.71/1.10     Y := Y
% 0.71/1.10     Z := Z
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  eqswap: (974) {G1,W7,D4,L1,V0,M1}  { ! empty_set ==> set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent0[0]: (26) {G1,W7,D4,L1,V0,M1} P(1,17) { ! set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) ==> empty_set }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (975) {G1,W6,D2,L2,V0,M2}  { ! in( skol4, skol5 ), ! in( skol3
% 0.71/1.10    , skol5 ) }.
% 0.71/1.10  parent0[0]: (974) {G1,W7,D4,L1,V0,M1}  { ! empty_set ==> set_difference( 
% 0.71/1.10    unordered_pair( skol4, skol3 ), skol5 ) }.
% 0.71/1.10  parent1[0]: (973) {G0,W13,D4,L3,V3,M3}  { empty_set ==> set_difference( 
% 0.71/1.10    unordered_pair( X, Y ), Z ), ! in( X, Z ), ! in( Y, Z ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10     X := skol4
% 0.71/1.10     Y := skol3
% 0.71/1.10     Z := skol5
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (976) {G2,W6,D2,L2,V0,M2}  { ! in( skol4, skol5 ), ! in( skol4
% 0.71/1.10    , skol5 ) }.
% 0.71/1.10  parent0[1]: (975) {G1,W6,D2,L2,V0,M2}  { ! in( skol4, skol5 ), ! in( skol3
% 0.71/1.10    , skol5 ) }.
% 0.71/1.10  parent1[0]: (44) {G2,W6,D2,L2,V0,M2} R(32,7) { in( skol3, skol5 ), ! in( 
% 0.71/1.10    skol4, skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  factor: (977) {G2,W3,D2,L1,V0,M1}  { ! in( skol4, skol5 ) }.
% 0.71/1.10  parent0[0, 1]: (976) {G2,W6,D2,L2,V0,M2}  { ! in( skol4, skol5 ), ! in( 
% 0.71/1.10    skol4, skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (543) {G3,W3,D2,L1,V0,M1} R(16,26);r(44) { ! in( skol4, skol5
% 0.71/1.10     ) }.
% 0.71/1.10  parent0: (977) {G2,W3,D2,L1,V0,M1}  { ! in( skol4, skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10     0 ==> 0
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (978) {G3,W4,D2,L1,V0,M1}  { ! alpha1( skol4, skol3, skol5 )
% 0.71/1.10     }.
% 0.71/1.10  parent0[0]: (543) {G3,W3,D2,L1,V0,M1} R(16,26);r(44) { ! in( skol4, skol5 )
% 0.71/1.10     }.
% 0.71/1.10  parent1[0]: (33) {G2,W7,D2,L2,V0,M2} R(5,28) { in( skol4, skol5 ), ! alpha1
% 0.71/1.10    ( skol4, skol3, skol5 ) }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  resolution: (979) {G4,W0,D0,L0,V0,M0}  {  }.
% 0.71/1.10  parent0[0]: (978) {G3,W4,D2,L1,V0,M1}  { ! alpha1( skol4, skol3, skol5 )
% 0.71/1.10     }.
% 0.71/1.10  parent1[0]: (415) {G4,W4,D2,L1,V1,M1} R(399,7) { alpha1( X, skol3, skol5 )
% 0.71/1.10     }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  substitution1:
% 0.71/1.10     X := skol4
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  subsumption: (807) {G5,W0,D0,L0,V0,M0} S(33);r(543);r(415) {  }.
% 0.71/1.10  parent0: (979) {G4,W0,D0,L0,V0,M0}  {  }.
% 0.71/1.10  substitution0:
% 0.71/1.10  end
% 0.71/1.10  permutation0:
% 0.71/1.10  end
% 0.71/1.10  
% 0.71/1.10  Proof check complete!
% 0.71/1.10  
% 0.71/1.10  Memory use:
% 0.71/1.10  
% 0.71/1.10  space for terms:        11170
% 0.71/1.10  space for clauses:      38338
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  clauses generated:      1505
% 0.71/1.10  clauses kept:           808
% 0.71/1.10  clauses selected:       80
% 0.71/1.10  clauses deleted:        1
% 0.71/1.10  clauses inuse deleted:  0
% 0.71/1.10  
% 0.71/1.10  subsentry:          2041
% 0.71/1.10  literals s-matched: 1419
% 0.71/1.10  literals matched:   1368
% 0.71/1.10  full subsumption:   220
% 0.71/1.10  
% 0.71/1.10  checksum:           -1580511695
% 0.71/1.10  
% 0.71/1.10  
% 0.71/1.10  Bliksem ended
%------------------------------------------------------------------------------