TSTP Solution File: KLE002+1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : KLE002+1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n021.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 : Sun Jul 17 01:36:30 EDT 2022

% Result   : Theorem 0.72s 1.10s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : KLE002+1 : TPTP v8.1.0. Released v4.0.0.
% 0.03/0.13  % Command  : bliksem %s
% 0.13/0.35  % Computer : n021.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % DateTime : Thu Jun 16 13:04:29 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.72/1.10  *** allocated 10000 integers for termspace/termends
% 0.72/1.10  *** allocated 10000 integers for clauses
% 0.72/1.10  *** allocated 10000 integers for justifications
% 0.72/1.10  Bliksem 1.12
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  Automatic Strategy Selection
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  Clauses:
% 0.72/1.10  
% 0.72/1.10  { addition( X, Y ) = addition( Y, X ) }.
% 0.72/1.10  { addition( Z, addition( Y, X ) ) = addition( addition( Z, Y ), X ) }.
% 0.72/1.10  { addition( X, zero ) = X }.
% 0.72/1.10  { addition( X, X ) = X }.
% 0.72/1.10  { multiplication( X, multiplication( Y, Z ) ) = multiplication( 
% 0.72/1.10    multiplication( X, Y ), Z ) }.
% 0.72/1.10  { multiplication( X, one ) = X }.
% 0.72/1.10  { multiplication( one, X ) = X }.
% 0.72/1.10  { multiplication( X, addition( Y, Z ) ) = addition( multiplication( X, Y )
% 0.72/1.10    , multiplication( X, Z ) ) }.
% 0.72/1.10  { multiplication( addition( X, Y ), Z ) = addition( multiplication( X, Z )
% 0.72/1.10    , multiplication( Y, Z ) ) }.
% 0.72/1.10  { multiplication( X, zero ) = zero }.
% 0.72/1.10  { multiplication( zero, X ) = zero }.
% 0.72/1.10  { ! leq( X, Y ), addition( X, Y ) = Y }.
% 0.72/1.10  { ! addition( X, Y ) = Y, leq( X, Y ) }.
% 0.72/1.10  { leq( skol1, skol2 ) }.
% 0.72/1.10  { ! leq( multiplication( skol1, skol3 ), multiplication( skol2, skol3 ) ) }
% 0.72/1.10    .
% 0.72/1.10  
% 0.72/1.10  percentage equality = 0.764706, percentage horn = 1.000000
% 0.72/1.10  This is a problem with some equality
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  Options Used:
% 0.72/1.10  
% 0.72/1.10  useres =            1
% 0.72/1.10  useparamod =        1
% 0.72/1.10  useeqrefl =         1
% 0.72/1.10  useeqfact =         1
% 0.72/1.10  usefactor =         1
% 0.72/1.10  usesimpsplitting =  0
% 0.72/1.10  usesimpdemod =      5
% 0.72/1.10  usesimpres =        3
% 0.72/1.10  
% 0.72/1.10  resimpinuse      =  1000
% 0.72/1.10  resimpclauses =     20000
% 0.72/1.10  substype =          eqrewr
% 0.72/1.10  backwardsubs =      1
% 0.72/1.10  selectoldest =      5
% 0.72/1.10  
% 0.72/1.10  litorderings [0] =  split
% 0.72/1.10  litorderings [1] =  extend the termordering, first sorting on arguments
% 0.72/1.10  
% 0.72/1.10  termordering =      kbo
% 0.72/1.10  
% 0.72/1.10  litapriori =        0
% 0.72/1.10  termapriori =       1
% 0.72/1.10  litaposteriori =    0
% 0.72/1.10  termaposteriori =   0
% 0.72/1.10  demodaposteriori =  0
% 0.72/1.10  ordereqreflfact =   0
% 0.72/1.10  
% 0.72/1.10  litselect =         negord
% 0.72/1.10  
% 0.72/1.10  maxweight =         15
% 0.72/1.10  maxdepth =          30000
% 0.72/1.10  maxlength =         115
% 0.72/1.10  maxnrvars =         195
% 0.72/1.10  excuselevel =       1
% 0.72/1.10  increasemaxweight = 1
% 0.72/1.10  
% 0.72/1.10  maxselected =       10000000
% 0.72/1.10  maxnrclauses =      10000000
% 0.72/1.10  
% 0.72/1.10  showgenerated =    0
% 0.72/1.10  showkept =         0
% 0.72/1.10  showselected =     0
% 0.72/1.10  showdeleted =      0
% 0.72/1.10  showresimp =       1
% 0.72/1.10  showstatus =       2000
% 0.72/1.10  
% 0.72/1.10  prologoutput =     0
% 0.72/1.10  nrgoals =          5000000
% 0.72/1.10  totalproof =       1
% 0.72/1.10  
% 0.72/1.10  Symbols occurring in the translation:
% 0.72/1.10  
% 0.72/1.10  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.10  .  [1, 2]      (w:1, o:22, a:1, s:1, b:0), 
% 0.72/1.10  !  [4, 1]      (w:0, o:17, a:1, s:1, b:0), 
% 0.72/1.10  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.10  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.10  addition  [37, 2]      (w:1, o:46, a:1, s:1, b:0), 
% 0.72/1.10  zero  [39, 0]      (w:1, o:9, a:1, s:1, b:0), 
% 0.72/1.10  multiplication  [40, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.72/1.10  one  [41, 0]      (w:1, o:10, a:1, s:1, b:0), 
% 0.72/1.10  leq  [42, 2]      (w:1, o:47, a:1, s:1, b:0), 
% 0.72/1.10  skol1  [46, 0]      (w:1, o:14, a:1, s:1, b:1), 
% 0.72/1.10  skol2  [47, 0]      (w:1, o:15, a:1, s:1, b:1), 
% 0.72/1.10  skol3  [48, 0]      (w:1, o:16, a:1, s:1, b:1).
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  Starting Search:
% 0.72/1.10  
% 0.72/1.10  *** allocated 15000 integers for clauses
% 0.72/1.10  
% 0.72/1.10  Bliksems!, er is een bewijs:
% 0.72/1.10  % SZS status Theorem
% 0.72/1.10  % SZS output start Refutation
% 0.72/1.10  
% 0.72/1.10  (8) {G0,W13,D4,L1,V3,M1} I { addition( multiplication( X, Z ), 
% 0.72/1.10    multiplication( Y, Z ) ) ==> multiplication( addition( X, Y ), Z ) }.
% 0.72/1.10  (11) {G0,W8,D3,L2,V2,M2} I { ! leq( X, Y ), addition( X, Y ) ==> Y }.
% 0.72/1.10  (12) {G0,W8,D3,L2,V2,M2} I { ! addition( X, Y ) ==> Y, leq( X, Y ) }.
% 0.72/1.10  (13) {G0,W3,D2,L1,V0,M1} I { leq( skol1, skol2 ) }.
% 0.72/1.10  (14) {G0,W7,D3,L1,V0,M1} I { ! leq( multiplication( skol1, skol3 ), 
% 0.72/1.10    multiplication( skol2, skol3 ) ) }.
% 0.72/1.10  (20) {G1,W9,D4,L1,V0,M1} R(12,14);d(8) { ! multiplication( addition( skol1
% 0.72/1.10    , skol2 ), skol3 ) ==> multiplication( skol2, skol3 ) }.
% 0.72/1.10  (30) {G1,W5,D3,L1,V0,M1} R(11,13) { addition( skol1, skol2 ) ==> skol2 }.
% 0.72/1.10  (193) {G2,W0,D0,L0,V0,M0} S(20);d(30);q {  }.
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  % SZS output end Refutation
% 0.72/1.10  found a proof!
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  Unprocessed initial clauses:
% 0.72/1.10  
% 0.72/1.10  (195) {G0,W7,D3,L1,V2,M1}  { addition( X, Y ) = addition( Y, X ) }.
% 0.72/1.10  (196) {G0,W11,D4,L1,V3,M1}  { addition( Z, addition( Y, X ) ) = addition( 
% 0.72/1.10    addition( Z, Y ), X ) }.
% 0.72/1.10  (197) {G0,W5,D3,L1,V1,M1}  { addition( X, zero ) = X }.
% 0.72/1.10  (198) {G0,W5,D3,L1,V1,M1}  { addition( X, X ) = X }.
% 0.72/1.10  (199) {G0,W11,D4,L1,V3,M1}  { multiplication( X, multiplication( Y, Z ) ) =
% 0.72/1.10     multiplication( multiplication( X, Y ), Z ) }.
% 0.72/1.10  (200) {G0,W5,D3,L1,V1,M1}  { multiplication( X, one ) = X }.
% 0.72/1.10  (201) {G0,W5,D3,L1,V1,M1}  { multiplication( one, X ) = X }.
% 0.72/1.10  (202) {G0,W13,D4,L1,V3,M1}  { multiplication( X, addition( Y, Z ) ) = 
% 0.72/1.10    addition( multiplication( X, Y ), multiplication( X, Z ) ) }.
% 0.72/1.10  (203) {G0,W13,D4,L1,V3,M1}  { multiplication( addition( X, Y ), Z ) = 
% 0.72/1.10    addition( multiplication( X, Z ), multiplication( Y, Z ) ) }.
% 0.72/1.10  (204) {G0,W5,D3,L1,V1,M1}  { multiplication( X, zero ) = zero }.
% 0.72/1.10  (205) {G0,W5,D3,L1,V1,M1}  { multiplication( zero, X ) = zero }.
% 0.72/1.10  (206) {G0,W8,D3,L2,V2,M2}  { ! leq( X, Y ), addition( X, Y ) = Y }.
% 0.72/1.10  (207) {G0,W8,D3,L2,V2,M2}  { ! addition( X, Y ) = Y, leq( X, Y ) }.
% 0.72/1.10  (208) {G0,W3,D2,L1,V0,M1}  { leq( skol1, skol2 ) }.
% 0.72/1.10  (209) {G0,W7,D3,L1,V0,M1}  { ! leq( multiplication( skol1, skol3 ), 
% 0.72/1.10    multiplication( skol2, skol3 ) ) }.
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  Total Proof:
% 0.72/1.10  
% 0.72/1.10  eqswap: (217) {G0,W13,D4,L1,V3,M1}  { addition( multiplication( X, Z ), 
% 0.72/1.10    multiplication( Y, Z ) ) = multiplication( addition( X, Y ), Z ) }.
% 0.72/1.10  parent0[0]: (203) {G0,W13,D4,L1,V3,M1}  { multiplication( addition( X, Y )
% 0.72/1.10    , Z ) = addition( multiplication( X, Z ), multiplication( Y, Z ) ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10     X := X
% 0.72/1.10     Y := Y
% 0.72/1.10     Z := Z
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  subsumption: (8) {G0,W13,D4,L1,V3,M1} I { addition( multiplication( X, Z )
% 0.72/1.10    , multiplication( Y, Z ) ) ==> multiplication( addition( X, Y ), Z ) }.
% 0.72/1.10  parent0: (217) {G0,W13,D4,L1,V3,M1}  { addition( multiplication( X, Z ), 
% 0.72/1.10    multiplication( Y, Z ) ) = multiplication( addition( X, Y ), Z ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10     X := X
% 0.72/1.10     Y := Y
% 0.72/1.10     Z := Z
% 0.72/1.10  end
% 0.72/1.10  permutation0:
% 0.72/1.10     0 ==> 0
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  subsumption: (11) {G0,W8,D3,L2,V2,M2} I { ! leq( X, Y ), addition( X, Y ) 
% 0.72/1.10    ==> Y }.
% 0.72/1.10  parent0: (206) {G0,W8,D3,L2,V2,M2}  { ! leq( X, Y ), addition( X, Y ) = Y
% 0.72/1.10     }.
% 0.72/1.10  substitution0:
% 0.72/1.10     X := X
% 0.72/1.10     Y := Y
% 0.72/1.10  end
% 0.72/1.10  permutation0:
% 0.72/1.10     0 ==> 0
% 0.72/1.10     1 ==> 1
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  subsumption: (12) {G0,W8,D3,L2,V2,M2} I { ! addition( X, Y ) ==> Y, leq( X
% 0.72/1.10    , Y ) }.
% 0.72/1.10  parent0: (207) {G0,W8,D3,L2,V2,M2}  { ! addition( X, Y ) = Y, leq( X, Y )
% 0.72/1.10     }.
% 0.72/1.10  substitution0:
% 0.72/1.10     X := X
% 0.72/1.10     Y := Y
% 0.72/1.10  end
% 0.72/1.10  permutation0:
% 0.72/1.10     0 ==> 0
% 0.72/1.10     1 ==> 1
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  subsumption: (13) {G0,W3,D2,L1,V0,M1} I { leq( skol1, skol2 ) }.
% 0.72/1.10  parent0: (208) {G0,W3,D2,L1,V0,M1}  { leq( skol1, skol2 ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  permutation0:
% 0.72/1.10     0 ==> 0
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  subsumption: (14) {G0,W7,D3,L1,V0,M1} I { ! leq( multiplication( skol1, 
% 0.72/1.10    skol3 ), multiplication( skol2, skol3 ) ) }.
% 0.72/1.10  parent0: (209) {G0,W7,D3,L1,V0,M1}  { ! leq( multiplication( skol1, skol3 )
% 0.72/1.10    , multiplication( skol2, skol3 ) ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  permutation0:
% 0.72/1.10     0 ==> 0
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  eqswap: (265) {G0,W8,D3,L2,V2,M2}  { ! Y ==> addition( X, Y ), leq( X, Y )
% 0.72/1.10     }.
% 0.72/1.10  parent0[0]: (12) {G0,W8,D3,L2,V2,M2} I { ! addition( X, Y ) ==> Y, leq( X, 
% 0.72/1.10    Y ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10     X := X
% 0.72/1.10     Y := Y
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  resolution: (267) {G1,W11,D4,L1,V0,M1}  { ! multiplication( skol2, skol3 ) 
% 0.72/1.10    ==> addition( multiplication( skol1, skol3 ), multiplication( skol2, 
% 0.72/1.10    skol3 ) ) }.
% 0.72/1.10  parent0[0]: (14) {G0,W7,D3,L1,V0,M1} I { ! leq( multiplication( skol1, 
% 0.72/1.10    skol3 ), multiplication( skol2, skol3 ) ) }.
% 0.72/1.10  parent1[1]: (265) {G0,W8,D3,L2,V2,M2}  { ! Y ==> addition( X, Y ), leq( X, 
% 0.72/1.10    Y ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  substitution1:
% 0.72/1.10     X := multiplication( skol1, skol3 )
% 0.72/1.10     Y := multiplication( skol2, skol3 )
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  paramod: (268) {G1,W9,D4,L1,V0,M1}  { ! multiplication( skol2, skol3 ) ==> 
% 0.72/1.10    multiplication( addition( skol1, skol2 ), skol3 ) }.
% 0.72/1.10  parent0[0]: (8) {G0,W13,D4,L1,V3,M1} I { addition( multiplication( X, Z ), 
% 0.72/1.10    multiplication( Y, Z ) ) ==> multiplication( addition( X, Y ), Z ) }.
% 0.72/1.10  parent1[0; 5]: (267) {G1,W11,D4,L1,V0,M1}  { ! multiplication( skol2, skol3
% 0.72/1.10     ) ==> addition( multiplication( skol1, skol3 ), multiplication( skol2, 
% 0.72/1.10    skol3 ) ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10     X := skol1
% 0.72/1.10     Y := skol2
% 0.72/1.10     Z := skol3
% 0.72/1.10  end
% 0.72/1.10  substitution1:
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  eqswap: (269) {G1,W9,D4,L1,V0,M1}  { ! multiplication( addition( skol1, 
% 0.72/1.10    skol2 ), skol3 ) ==> multiplication( skol2, skol3 ) }.
% 0.72/1.10  parent0[0]: (268) {G1,W9,D4,L1,V0,M1}  { ! multiplication( skol2, skol3 ) 
% 0.72/1.10    ==> multiplication( addition( skol1, skol2 ), skol3 ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  subsumption: (20) {G1,W9,D4,L1,V0,M1} R(12,14);d(8) { ! multiplication( 
% 0.72/1.10    addition( skol1, skol2 ), skol3 ) ==> multiplication( skol2, skol3 ) }.
% 0.72/1.10  parent0: (269) {G1,W9,D4,L1,V0,M1}  { ! multiplication( addition( skol1, 
% 0.72/1.10    skol2 ), skol3 ) ==> multiplication( skol2, skol3 ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  permutation0:
% 0.72/1.10     0 ==> 0
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  eqswap: (270) {G0,W8,D3,L2,V2,M2}  { Y ==> addition( X, Y ), ! leq( X, Y )
% 0.72/1.10     }.
% 0.72/1.10  parent0[1]: (11) {G0,W8,D3,L2,V2,M2} I { ! leq( X, Y ), addition( X, Y ) 
% 0.72/1.10    ==> Y }.
% 0.72/1.10  substitution0:
% 0.72/1.10     X := X
% 0.72/1.10     Y := Y
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  resolution: (271) {G1,W5,D3,L1,V0,M1}  { skol2 ==> addition( skol1, skol2 )
% 0.72/1.10     }.
% 0.72/1.10  parent0[1]: (270) {G0,W8,D3,L2,V2,M2}  { Y ==> addition( X, Y ), ! leq( X, 
% 0.72/1.10    Y ) }.
% 0.72/1.10  parent1[0]: (13) {G0,W3,D2,L1,V0,M1} I { leq( skol1, skol2 ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10     X := skol1
% 0.72/1.10     Y := skol2
% 0.72/1.10  end
% 0.72/1.10  substitution1:
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  eqswap: (272) {G1,W5,D3,L1,V0,M1}  { addition( skol1, skol2 ) ==> skol2 }.
% 0.72/1.10  parent0[0]: (271) {G1,W5,D3,L1,V0,M1}  { skol2 ==> addition( skol1, skol2 )
% 0.72/1.10     }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  subsumption: (30) {G1,W5,D3,L1,V0,M1} R(11,13) { addition( skol1, skol2 ) 
% 0.72/1.10    ==> skol2 }.
% 0.72/1.10  parent0: (272) {G1,W5,D3,L1,V0,M1}  { addition( skol1, skol2 ) ==> skol2
% 0.72/1.10     }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  permutation0:
% 0.72/1.10     0 ==> 0
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  paramod: (275) {G2,W7,D3,L1,V0,M1}  { ! multiplication( skol2, skol3 ) ==> 
% 0.72/1.10    multiplication( skol2, skol3 ) }.
% 0.72/1.10  parent0[0]: (30) {G1,W5,D3,L1,V0,M1} R(11,13) { addition( skol1, skol2 ) 
% 0.72/1.10    ==> skol2 }.
% 0.72/1.10  parent1[0; 3]: (20) {G1,W9,D4,L1,V0,M1} R(12,14);d(8) { ! multiplication( 
% 0.72/1.10    addition( skol1, skol2 ), skol3 ) ==> multiplication( skol2, skol3 ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  substitution1:
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  eqrefl: (276) {G0,W0,D0,L0,V0,M0}  {  }.
% 0.72/1.10  parent0[0]: (275) {G2,W7,D3,L1,V0,M1}  { ! multiplication( skol2, skol3 ) 
% 0.72/1.10    ==> multiplication( skol2, skol3 ) }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  subsumption: (193) {G2,W0,D0,L0,V0,M0} S(20);d(30);q {  }.
% 0.72/1.10  parent0: (276) {G0,W0,D0,L0,V0,M0}  {  }.
% 0.72/1.10  substitution0:
% 0.72/1.10  end
% 0.72/1.10  permutation0:
% 0.72/1.10  end
% 0.72/1.10  
% 0.72/1.10  Proof check complete!
% 0.72/1.10  
% 0.72/1.10  Memory use:
% 0.72/1.10  
% 0.72/1.10  space for terms:        2298
% 0.72/1.10  space for clauses:      12875
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  clauses generated:      1079
% 0.72/1.10  clauses kept:           194
% 0.72/1.10  clauses selected:       50
% 0.72/1.10  clauses deleted:        1
% 0.72/1.10  clauses inuse deleted:  0
% 0.72/1.10  
% 0.72/1.10  subsentry:          1201
% 0.72/1.10  literals s-matched: 881
% 0.72/1.10  literals matched:   874
% 0.72/1.10  full subsumption:   38
% 0.72/1.10  
% 0.72/1.10  checksum:           -1724411161
% 0.72/1.10  
% 0.72/1.10  
% 0.72/1.10  Bliksem ended
%------------------------------------------------------------------------------