TSTP Solution File: GEO219+3 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GEO219+3 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n010.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 : Sat Jul 16 02:52:55 EDT 2022

% Result   : Theorem 27.54s 27.92s
% Output   : Refutation 27.54s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.13/0.14  % Problem  : GEO219+3 : TPTP v8.1.0. Released v4.0.0.
% 0.13/0.14  % Command  : bliksem %s
% 0.14/0.36  % Computer : n010.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % DateTime : Sat Jun 18 09:59:08 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 1.63/1.99  *** allocated 10000 integers for termspace/termends
% 1.63/1.99  *** allocated 10000 integers for clauses
% 1.63/1.99  *** allocated 10000 integers for justifications
% 1.63/1.99  Bliksem 1.12
% 1.63/1.99  
% 1.63/1.99  
% 1.63/1.99  Automatic Strategy Selection
% 1.63/1.99  
% 1.63/1.99  
% 1.63/1.99  Clauses:
% 1.63/1.99  
% 1.63/1.99  { ! distinct_points( X, X ) }.
% 1.63/1.99  { ! distinct_lines( X, X ) }.
% 1.63/1.99  { ! convergent_lines( X, X ) }.
% 1.63/1.99  { ! distinct_points( X, Y ), distinct_points( X, Z ), distinct_points( Y, Z
% 1.63/1.99     ) }.
% 1.63/1.99  { ! distinct_lines( X, Y ), distinct_lines( X, Z ), distinct_lines( Y, Z )
% 1.63/1.99     }.
% 1.63/1.99  { ! convergent_lines( X, Y ), convergent_lines( X, Z ), convergent_lines( Y
% 1.63/1.99    , Z ) }.
% 1.63/1.99  { ! distinct_points( X, Y ), ! apart_point_and_line( X, line_connecting( X
% 1.63/1.99    , Y ) ) }.
% 1.63/1.99  { ! distinct_points( X, Y ), ! apart_point_and_line( Y, line_connecting( X
% 1.63/1.99    , Y ) ) }.
% 1.63/1.99  { ! convergent_lines( X, Y ), ! apart_point_and_line( intersection_point( X
% 1.63/1.99    , Y ), X ) }.
% 1.63/1.99  { ! convergent_lines( X, Y ), ! apart_point_and_line( intersection_point( X
% 1.63/1.99    , Y ), Y ) }.
% 1.63/1.99  { ! distinct_points( X, Y ), ! distinct_lines( Z, T ), apart_point_and_line
% 1.63/1.99    ( X, Z ), apart_point_and_line( X, T ), apart_point_and_line( Y, Z ), 
% 1.63/1.99    apart_point_and_line( Y, T ) }.
% 1.63/1.99  { ! apart_point_and_line( X, Y ), distinct_points( X, Z ), 
% 1.63/1.99    apart_point_and_line( Z, Y ) }.
% 1.63/1.99  { ! apart_point_and_line( X, Y ), distinct_lines( Y, Z ), 
% 1.63/1.99    apart_point_and_line( X, Z ) }.
% 1.63/1.99  { ! convergent_lines( X, Y ), distinct_lines( Y, Z ), convergent_lines( X, 
% 1.63/1.99    Z ) }.
% 1.63/1.99  { ! distinct_lines( X, Y ), convergent_lines( X, Y ) }.
% 1.63/1.99  { ! convergent_lines( parallel_through_point( Y, X ), Y ) }.
% 1.63/1.99  { ! apart_point_and_line( X, parallel_through_point( Y, X ) ) }.
% 1.63/1.99  { ! distinct_lines( X, Y ), apart_point_and_line( Z, X ), 
% 1.63/1.99    apart_point_and_line( Z, Y ), convergent_lines( X, Y ) }.
% 1.63/1.99  { convergent_lines( X, Y ), unorthogonal_lines( X, Y ) }.
% 1.63/1.99  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Z )
% 1.63/1.99    , convergent_lines( Y, Z ) }.
% 1.63/1.99  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Z )
% 1.63/1.99    , unorthogonal_lines( Y, Z ) }.
% 1.63/1.99  { ! alpha1( X, Y ), convergent_lines( X, Y ) }.
% 1.63/1.99  { ! alpha1( X, Y ), unorthogonal_lines( X, Y ) }.
% 1.63/1.99  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Y )
% 1.63/1.99     }.
% 1.63/1.99  { ! unorthogonal_lines( orthogonal_through_point( Y, X ), Y ) }.
% 1.63/1.99  { ! apart_point_and_line( X, orthogonal_through_point( Y, X ) ) }.
% 1.63/1.99  { ! distinct_lines( X, Y ), apart_point_and_line( Z, X ), 
% 1.63/1.99    apart_point_and_line( Z, Y ), unorthogonal_lines( X, T ), 
% 1.63/1.99    unorthogonal_lines( Y, T ) }.
% 1.63/1.99  { convergent_lines( X, Y ), unorthogonal_lines( X, Y ) }.
% 1.63/1.99  { alpha2( X, Z ), convergent_lines( Z, Y ), ! convergent_lines( X, Y ), ! 
% 1.63/1.99    unorthogonal_lines( X, Y ) }.
% 1.63/1.99  { alpha2( X, Z ), unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ), !
% 1.63/1.99     unorthogonal_lines( X, Y ) }.
% 1.63/1.99  { ! alpha2( X, Y ), convergent_lines( Y, X ) }.
% 1.63/1.99  { ! alpha2( X, Y ), unorthogonal_lines( Y, X ) }.
% 1.63/1.99  { ! convergent_lines( Y, X ), ! unorthogonal_lines( Y, X ), alpha2( X, Y )
% 1.63/1.99     }.
% 1.63/1.99  { unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ), ! 
% 1.63/1.99    convergent_lines( X, Y ) }.
% 1.63/1.99  { ! point( X ), ! point( Y ), ! distinct_points( X, Y ), line( 
% 1.63/1.99    line_connecting( X, Y ) ) }.
% 1.63/1.99  { ! line( X ), ! line( Y ), ! convergent_lines( X, Y ), point( 
% 1.63/1.99    intersection_point( X, Y ) ) }.
% 1.63/1.99  { ! line( X ), ! point( Y ), line( parallel_through_point( X, Y ) ) }.
% 1.63/1.99  { ! line( X ), ! point( Y ), line( orthogonal_through_point( X, Y ) ) }.
% 1.63/1.99  { ! equal_points( X, Y ), ! distinct_points( X, Y ) }.
% 1.63/1.99  { distinct_points( X, Y ), equal_points( X, Y ) }.
% 1.63/1.99  { ! equal_lines( X, Y ), ! distinct_lines( X, Y ) }.
% 1.63/1.99  { distinct_lines( X, Y ), equal_lines( X, Y ) }.
% 1.63/1.99  { ! parallel_lines( X, Y ), ! convergent_lines( X, Y ) }.
% 1.63/1.99  { convergent_lines( X, Y ), parallel_lines( X, Y ) }.
% 1.63/1.99  { ! incident_point_and_line( X, Y ), ! apart_point_and_line( X, Y ) }.
% 1.63/1.99  { apart_point_and_line( X, Y ), incident_point_and_line( X, Y ) }.
% 1.63/1.99  { ! orthogonal_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 1.63/1.99  { unorthogonal_lines( X, Y ), orthogonal_lines( X, Y ) }.
% 1.63/1.99  { orthogonal_lines( skol3, skol1 ) }.
% 1.63/1.99  { parallel_lines( skol3, skol2 ) }.
% 1.63/1.99  { ! orthogonal_lines( skol1, skol2 ) }.
% 1.63/1.99  
% 1.63/1.99  percentage equality = 0.000000, percentage horn = 0.612245
% 1.63/1.99  This a non-horn, non-equality problem
% 1.63/1.99  
% 1.63/1.99  
% 1.63/1.99  Options Used:
% 1.63/1.99  
% 1.63/1.99  useres =            1
% 27.54/27.92  useparamod =        0
% 27.54/27.92  useeqrefl =         0
% 27.54/27.92  useeqfact =         0
% 27.54/27.92  usefactor =         1
% 27.54/27.92  usesimpsplitting =  0
% 27.54/27.92  usesimpdemod =      0
% 27.54/27.92  usesimpres =        3
% 27.54/27.92  
% 27.54/27.92  resimpinuse      =  1000
% 27.54/27.92  resimpclauses =     20000
% 27.54/27.92  substype =          standard
% 27.54/27.92  backwardsubs =      1
% 27.54/27.92  selectoldest =      5
% 27.54/27.92  
% 27.54/27.92  litorderings [0] =  split
% 27.54/27.92  litorderings [1] =  liftord
% 27.54/27.92  
% 27.54/27.92  termordering =      none
% 27.54/27.92  
% 27.54/27.92  litapriori =        1
% 27.54/27.92  termapriori =       0
% 27.54/27.92  litaposteriori =    0
% 27.54/27.92  termaposteriori =   0
% 27.54/27.92  demodaposteriori =  0
% 27.54/27.92  ordereqreflfact =   0
% 27.54/27.92  
% 27.54/27.92  litselect =         none
% 27.54/27.92  
% 27.54/27.92  maxweight =         15
% 27.54/27.92  maxdepth =          30000
% 27.54/27.92  maxlength =         115
% 27.54/27.92  maxnrvars =         195
% 27.54/27.92  excuselevel =       1
% 27.54/27.92  increasemaxweight = 1
% 27.54/27.92  
% 27.54/27.92  maxselected =       10000000
% 27.54/27.92  maxnrclauses =      10000000
% 27.54/27.92  
% 27.54/27.92  showgenerated =    0
% 27.54/27.92  showkept =         0
% 27.54/27.92  showselected =     0
% 27.54/27.92  showdeleted =      0
% 27.54/27.92  showresimp =       1
% 27.54/27.92  showstatus =       2000
% 27.54/27.92  
% 27.54/27.92  prologoutput =     0
% 27.54/27.92  nrgoals =          5000000
% 27.54/27.92  totalproof =       1
% 27.54/27.92  
% 27.54/27.92  Symbols occurring in the translation:
% 27.54/27.92  
% 27.54/27.92  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 27.54/27.92  .  [1, 2]      (w:1, o:26, a:1, s:1, b:0), 
% 27.54/27.92  !  [4, 1]      (w:0, o:19, a:1, s:1, b:0), 
% 27.54/27.92  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 27.54/27.92  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 27.54/27.92  distinct_points  [36, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 27.54/27.92  distinct_lines  [37, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 27.54/27.92  convergent_lines  [38, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 27.54/27.92  line_connecting  [41, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 27.54/27.92  apart_point_and_line  [42, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 27.54/27.92  intersection_point  [43, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 27.54/27.92  parallel_through_point  [46, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 27.54/27.92  unorthogonal_lines  [49, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 27.54/27.92  orthogonal_through_point  [52, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 27.54/27.92  point  [54, 1]      (w:1, o:24, a:1, s:1, b:0), 
% 27.54/27.92  line  [55, 1]      (w:1, o:25, a:1, s:1, b:0), 
% 27.54/27.92  equal_points  [56, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 27.54/27.92  equal_lines  [57, 2]      (w:1, o:61, a:1, s:1, b:0), 
% 27.54/27.92  parallel_lines  [58, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 27.54/27.92  incident_point_and_line  [59, 2]      (w:1, o:63, a:1, s:1, b:0), 
% 27.54/27.92  orthogonal_lines  [60, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 27.54/27.92  alpha1  [61, 2]      (w:1, o:64, a:1, s:1, b:0), 
% 27.54/27.92  alpha2  [62, 2]      (w:1, o:65, a:1, s:1, b:0), 
% 27.54/27.92  skol1  [63, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 27.54/27.92  skol2  [64, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 27.54/27.92  skol3  [65, 0]      (w:1, o:18, a:1, s:1, b:0).
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Starting Search:
% 27.54/27.92  
% 27.54/27.92  *** allocated 15000 integers for clauses
% 27.54/27.92  *** allocated 22500 integers for clauses
% 27.54/27.92  *** allocated 33750 integers for clauses
% 27.54/27.92  *** allocated 50625 integers for clauses
% 27.54/27.92  *** allocated 15000 integers for termspace/termends
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 22500 integers for termspace/termends
% 27.54/27.92  *** allocated 75937 integers for clauses
% 27.54/27.92  *** allocated 33750 integers for termspace/termends
% 27.54/27.92  *** allocated 113905 integers for clauses
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    13873
% 27.54/27.92  Kept:         2001
% 27.54/27.92  Inuse:        327
% 27.54/27.92  Deleted:      1
% 27.54/27.92  Deletedinuse: 0
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 50625 integers for termspace/termends
% 27.54/27.92  *** allocated 170857 integers for clauses
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 75937 integers for termspace/termends
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    33888
% 27.54/27.92  Kept:         4027
% 27.54/27.92  Inuse:        514
% 27.54/27.92  Deleted:      9
% 27.54/27.92  Deletedinuse: 2
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 256285 integers for clauses
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 113905 integers for termspace/termends
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    48945
% 27.54/27.92  Kept:         6046
% 27.54/27.92  Inuse:        692
% 27.54/27.92  Deleted:      20
% 27.54/27.92  Deletedinuse: 4
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 384427 integers for clauses
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    61711
% 27.54/27.92  Kept:         8047
% 27.54/27.92  Inuse:        836
% 27.54/27.92  Deleted:      20
% 27.54/27.92  Deletedinuse: 4
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 170857 integers for termspace/termends
% 27.54/27.92  *** allocated 576640 integers for clauses
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    71999
% 27.54/27.92  Kept:         10104
% 27.54/27.92  Inuse:        874
% 27.54/27.92  Deleted:      59
% 27.54/27.92  Deletedinuse: 43
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    84981
% 27.54/27.92  Kept:         12376
% 27.54/27.92  Inuse:        905
% 27.54/27.92  Deleted:      62
% 27.54/27.92  Deletedinuse: 46
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 256285 integers for termspace/termends
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 864960 integers for clauses
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    96363
% 27.54/27.92  Kept:         14438
% 27.54/27.92  Inuse:        949
% 27.54/27.92  Deleted:      64
% 27.54/27.92  Deletedinuse: 46
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    111981
% 27.54/27.92  Kept:         16439
% 27.54/27.92  Inuse:        1020
% 27.54/27.92  Deleted:      67
% 27.54/27.92  Deletedinuse: 46
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    127190
% 27.54/27.92  Kept:         18459
% 27.54/27.92  Inuse:        1077
% 27.54/27.92  Deleted:      71
% 27.54/27.92  Deletedinuse: 46
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 384427 integers for termspace/termends
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying clauses:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    155703
% 27.54/27.92  Kept:         20643
% 27.54/27.92  Inuse:        1201
% 27.54/27.92  Deleted:      859
% 27.54/27.92  Deletedinuse: 46
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 1297440 integers for clauses
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    173735
% 27.54/27.92  Kept:         22956
% 27.54/27.92  Inuse:        1236
% 27.54/27.92  Deleted:      859
% 27.54/27.92  Deletedinuse: 46
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    198844
% 27.54/27.92  Kept:         25584
% 27.54/27.92  Inuse:        1296
% 27.54/27.92  Deleted:      859
% 27.54/27.92  Deletedinuse: 46
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 576640 integers for termspace/termends
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    227915
% 27.54/27.92  Kept:         27653
% 27.54/27.92  Inuse:        1366
% 27.54/27.92  Deleted:      859
% 27.54/27.92  Deletedinuse: 46
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    294143
% 27.54/27.92  Kept:         29661
% 27.54/27.92  Inuse:        1454
% 27.54/27.92  Deleted:      859
% 27.54/27.92  Deletedinuse: 46
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    317282
% 27.54/27.92  Kept:         31694
% 27.54/27.92  Inuse:        1480
% 27.54/27.92  Deleted:      871
% 27.54/27.92  Deletedinuse: 58
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 1946160 integers for clauses
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    360006
% 27.54/27.92  Kept:         33801
% 27.54/27.92  Inuse:        1551
% 27.54/27.92  Deleted:      871
% 27.54/27.92  Deletedinuse: 58
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    436809
% 27.54/27.92  Kept:         35824
% 27.54/27.92  Inuse:        1637
% 27.54/27.92  Deleted:      871
% 27.54/27.92  Deletedinuse: 58
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    535736
% 27.54/27.92  Kept:         37833
% 27.54/27.92  Inuse:        1770
% 27.54/27.92  Deleted:      871
% 27.54/27.92  Deletedinuse: 58
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  *** allocated 864960 integers for termspace/termends
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    606877
% 27.54/27.92  Kept:         39971
% 27.54/27.92  Inuse:        1858
% 27.54/27.92  Deleted:      871
% 27.54/27.92  Deletedinuse: 58
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying clauses:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    635047
% 27.54/27.92  Kept:         42041
% 27.54/27.92  Inuse:        1868
% 27.54/27.92  Deleted:      1434
% 27.54/27.92  Deletedinuse: 58
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    697502
% 27.54/27.92  Kept:         44053
% 27.54/27.92  Inuse:        1899
% 27.54/27.92  Deleted:      1434
% 27.54/27.92  Deletedinuse: 58
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    813286
% 27.54/27.92  Kept:         46055
% 27.54/27.92  Inuse:        1970
% 27.54/27.92  Deleted:      1434
% 27.54/27.92  Deletedinuse: 58
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Intermediate Status:
% 27.54/27.92  Generated:    974735
% 27.54/27.92  Kept:         48067
% 27.54/27.92  Inuse:        2052
% 27.54/27.92  Deleted:      1434
% 27.54/27.92  Deletedinuse: 58
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  Resimplifying inuse:
% 27.54/27.92  Done
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Bliksems!, er is een bewijs:
% 27.54/27.92  % SZS status Theorem
% 27.54/27.92  % SZS output start Refutation
% 27.54/27.92  
% 27.54/27.92  (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 27.54/27.92  (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), convergent_lines( Y, 
% 27.54/27.92    Z ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( parallel_through_point( Y
% 27.54/27.92    , X ), Y ) }.
% 27.54/27.92  (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), unorthogonal_lines( 
% 27.54/27.92    X, Y ) }.
% 27.54/27.92  (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 27.54/27.92     }.
% 27.54/27.92  (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! alpha1( X, Y ) }.
% 27.54/27.92  (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( orthogonal_through_point
% 27.54/27.92    ( Y, X ), Y ) }.
% 27.54/27.92  (27) {G0,W12,D2,L4,V3,M1} I { unorthogonal_lines( Z, Y ), ! 
% 27.54/27.92    convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha2( X, Z )
% 27.54/27.92     }.
% 27.54/27.92  (28) {G0,W6,D2,L2,V2,M1} I { convergent_lines( Y, X ), ! alpha2( X, Y ) }.
% 27.54/27.92  (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), unorthogonal_lines
% 27.54/27.92    ( Z, X ), unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  (40) {G0,W6,D2,L2,V2,M1} I { ! convergent_lines( X, Y ), ! parallel_lines( 
% 27.54/27.92    X, Y ) }.
% 27.54/27.92  (44) {G0,W6,D2,L2,V2,M1} I { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  (45) {G0,W6,D2,L2,V2,M1} I { orthogonal_lines( X, Y ), unorthogonal_lines( 
% 27.54/27.92    X, Y ) }.
% 27.54/27.92  (46) {G0,W3,D2,L1,V0,M1} I { orthogonal_lines( skol3, skol1 ) }.
% 27.54/27.92  (47) {G0,W3,D2,L1,V0,M1} I { parallel_lines( skol3, skol2 ) }.
% 27.54/27.92  (48) {G0,W3,D2,L1,V0,M1} I { ! orthogonal_lines( skol1, skol2 ) }.
% 27.54/27.92  (64) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  (67) {G2,W5,D3,L1,V2,M1} R(64,15) { ! convergent_lines( X, 
% 27.54/27.92    parallel_through_point( X, Y ) ) }.
% 27.54/27.92  (68) {G3,W8,D3,L2,V3,M2} R(67,5) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 27.54/27.92  (70) {G1,W3,D2,L1,V0,M1} R(40,47) { ! convergent_lines( skol3, skol2 ) }.
% 27.54/27.92  (71) {G2,W3,D2,L1,V0,M1} R(70,64) { ! convergent_lines( skol2, skol3 ) }.
% 27.54/27.92  (75) {G3,W6,D2,L2,V1,M1} R(71,5) { ! convergent_lines( X, skol2 ), 
% 27.54/27.92    convergent_lines( X, skol3 ) }.
% 27.54/27.92  (76) {G1,W6,D2,L2,V2,M1} R(17,44) { convergent_lines( X, Y ), ! 
% 27.54/27.92    orthogonal_lines( X, Y ) }.
% 27.54/27.92  (77) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( X, Y ), X ) }.
% 27.54/27.92  (79) {G2,W8,D3,L2,V3,M2} R(77,5) { convergent_lines( X, Z ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 27.54/27.92  (106) {G2,W3,D2,L1,V0,M1} R(76,46) { convergent_lines( skol3, skol1 ) }.
% 27.54/27.92  (108) {G3,W6,D2,L2,V1,M1} R(106,5) { convergent_lines( skol1, X ), 
% 27.54/27.92    convergent_lines( skol3, X ) }.
% 27.54/27.92  (125) {G4,W3,D2,L1,V0,M1} R(108,70) { convergent_lines( skol1, skol2 ) }.
% 27.54/27.92  (164) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y ), 
% 27.54/27.92    convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( Y, Z ) }.
% 27.54/27.92  (188) {G4,W6,D2,L2,V1,M2} R(75,64) { convergent_lines( skol3, X ), ! 
% 27.54/27.92    convergent_lines( X, skol2 ) }.
% 27.54/27.92  (205) {G1,W12,D2,L4,V3,M2} R(27,28) { ! convergent_lines( Z, Y ), 
% 27.54/27.92    convergent_lines( X, Z ), unorthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  (220) {G1,W9,D2,L3,V3,M1} R(31,44) { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    orthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  (243) {G3,W8,D3,L2,V3,M2} R(79,64) { convergent_lines( Z, X ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 27.54/27.92  (327) {G4,W8,D3,L2,V3,M2} R(243,64) { convergent_lines( X, 
% 27.54/27.92    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 27.54/27.92  (394) {G4,W8,D3,L2,V3,M2} R(68,64) { convergent_lines( 
% 27.54/27.92    parallel_through_point( X, Z ), Y ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  (519) {G5,W8,D3,L2,V2,M2} R(394,188) { ! convergent_lines( Y, skol2 ), 
% 27.54/27.92    convergent_lines( parallel_through_point( skol3, X ), Y ) }.
% 27.54/27.92  (1846) {G2,W9,D2,L3,V3,M2} R(220,44) { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    orthogonal_lines( Z, Y ), ! orthogonal_lines( Z, X ) }.
% 27.54/27.92  (1848) {G3,W6,D2,L2,V1,M1} R(1846,46) { ! convergent_lines( skol1, X ), ! 
% 27.54/27.92    orthogonal_lines( skol3, X ) }.
% 27.54/27.92  (2715) {G5,W8,D3,L2,V3,M1} R(164,23);r(327) { convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  (2726) {G6,W8,D3,L2,V3,M1} R(2715,45) { convergent_lines( X, Y ), 
% 27.54/27.92    orthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  (2727) {G7,W8,D3,L2,V2,M2} R(2726,1848) { ! convergent_lines( skol1, 
% 27.54/27.92    orthogonal_through_point( X, Y ) ), convergent_lines( skol3, X ) }.
% 27.54/27.92  (2749) {G8,W5,D3,L1,V1,M1} R(2727,519);r(15) { ! convergent_lines( skol1, 
% 27.54/27.92    orthogonal_through_point( skol2, X ) ) }.
% 27.54/27.92  (2852) {G9,W5,D3,L1,V1,M1} R(2749,64) { ! convergent_lines( 
% 27.54/27.92    orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  (3100) {G2,W11,D3,L3,V3,M1} R(205,23) { ! convergent_lines( X, Y ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( Y, Z ), X ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  (50048) {G3,W11,D3,L3,V3,M1} R(3100,45) { ! convergent_lines( X, Y ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( Y, Z ), X ), orthogonal_lines
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  (50049) {G5,W5,D3,L1,V1,M1} R(50048,48);r(125) { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  (50050) {G10,W0,D0,L0,V0,M0} S(50049);r(2852) {  }.
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  % SZS output end Refutation
% 27.54/27.92  found a proof!
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Unprocessed initial clauses:
% 27.54/27.92  
% 27.54/27.92  (50052) {G0,W3,D2,L1,V1,M1}  { ! distinct_points( X, X ) }.
% 27.54/27.92  (50053) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 27.54/27.92  (50054) {G0,W3,D2,L1,V1,M1}  { ! convergent_lines( X, X ) }.
% 27.54/27.92  (50055) {G0,W9,D2,L3,V3,M3}  { ! distinct_points( X, Y ), distinct_points( 
% 27.54/27.92    X, Z ), distinct_points( Y, Z ) }.
% 27.54/27.92  (50056) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), distinct_lines( X
% 27.54/27.92    , Z ), distinct_lines( Y, Z ) }.
% 27.54/27.92  (50057) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), convergent_lines
% 27.54/27.92    ( X, Z ), convergent_lines( Y, Z ) }.
% 27.54/27.92  (50058) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 27.54/27.92    apart_point_and_line( X, line_connecting( X, Y ) ) }.
% 27.54/27.92  (50059) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 27.54/27.92    apart_point_and_line( Y, line_connecting( X, Y ) ) }.
% 27.54/27.92  (50060) {G0,W8,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    apart_point_and_line( intersection_point( X, Y ), X ) }.
% 27.54/27.92  (50061) {G0,W8,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    apart_point_and_line( intersection_point( X, Y ), Y ) }.
% 27.54/27.92  (50062) {G0,W18,D2,L6,V4,M6}  { ! distinct_points( X, Y ), ! distinct_lines
% 27.54/27.92    ( Z, T ), apart_point_and_line( X, Z ), apart_point_and_line( X, T ), 
% 27.54/27.92    apart_point_and_line( Y, Z ), apart_point_and_line( Y, T ) }.
% 27.54/27.92  (50063) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 27.54/27.92    distinct_points( X, Z ), apart_point_and_line( Z, Y ) }.
% 27.54/27.92  (50064) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 27.54/27.92    distinct_lines( Y, Z ), apart_point_and_line( X, Z ) }.
% 27.54/27.92  (50065) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), distinct_lines( 
% 27.54/27.92    Y, Z ), convergent_lines( X, Z ) }.
% 27.54/27.92  (50066) {G0,W6,D2,L2,V2,M2}  { ! distinct_lines( X, Y ), convergent_lines( 
% 27.54/27.92    X, Y ) }.
% 27.54/27.92  (50067) {G0,W5,D3,L1,V2,M1}  { ! convergent_lines( parallel_through_point( 
% 27.54/27.92    Y, X ), Y ) }.
% 27.54/27.92  (50068) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 27.54/27.92    parallel_through_point( Y, X ) ) }.
% 27.54/27.92  (50069) {G0,W12,D2,L4,V3,M4}  { ! distinct_lines( X, Y ), 
% 27.54/27.92    apart_point_and_line( Z, X ), apart_point_and_line( Z, Y ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  (50070) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), unorthogonal_lines
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  (50071) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ), alpha1( X, Z ), convergent_lines( Y, Z ) }.
% 27.54/27.92  (50072) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ), alpha1( X, Z ), unorthogonal_lines( Y, Z )
% 27.54/27.92     }.
% 27.54/27.92  (50073) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), convergent_lines( X, Y )
% 27.54/27.92     }.
% 27.54/27.92  (50074) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), unorthogonal_lines( X, Y )
% 27.54/27.92     }.
% 27.54/27.92  (50075) {G0,W9,D2,L3,V2,M3}  { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ), alpha1( X, Y ) }.
% 27.54/27.92  (50076) {G0,W5,D3,L1,V2,M1}  { ! unorthogonal_lines( 
% 27.54/27.92    orthogonal_through_point( Y, X ), Y ) }.
% 27.54/27.92  (50077) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 27.54/27.92    orthogonal_through_point( Y, X ) ) }.
% 27.54/27.92  (50078) {G0,W15,D2,L5,V4,M5}  { ! distinct_lines( X, Y ), 
% 27.54/27.92    apart_point_and_line( Z, X ), apart_point_and_line( Z, Y ), 
% 27.54/27.92    unorthogonal_lines( X, T ), unorthogonal_lines( Y, T ) }.
% 27.54/27.92  (50079) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), unorthogonal_lines
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  (50080) {G0,W12,D2,L4,V3,M4}  { alpha2( X, Z ), convergent_lines( Z, Y ), !
% 27.54/27.92     convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 27.54/27.92  (50081) {G0,W12,D2,L4,V3,M4}  { alpha2( X, Z ), unorthogonal_lines( Z, Y )
% 27.54/27.92    , ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 27.54/27.92  (50082) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), convergent_lines( Y, X )
% 27.54/27.92     }.
% 27.54/27.92  (50083) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), unorthogonal_lines( Y, X )
% 27.54/27.92     }.
% 27.54/27.92  (50084) {G0,W9,D2,L3,V2,M3}  { ! convergent_lines( Y, X ), ! 
% 27.54/27.92    unorthogonal_lines( Y, X ), alpha2( X, Y ) }.
% 27.54/27.92  (50085) {G0,W9,D2,L3,V3,M3}  { unorthogonal_lines( Z, X ), 
% 27.54/27.92    unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  (50086) {G0,W11,D3,L4,V2,M4}  { ! point( X ), ! point( Y ), ! 
% 27.54/27.92    distinct_points( X, Y ), line( line_connecting( X, Y ) ) }.
% 27.54/27.92  (50087) {G0,W11,D3,L4,V2,M4}  { ! line( X ), ! line( Y ), ! 
% 27.54/27.92    convergent_lines( X, Y ), point( intersection_point( X, Y ) ) }.
% 27.54/27.92  (50088) {G0,W8,D3,L3,V2,M3}  { ! line( X ), ! point( Y ), line( 
% 27.54/27.92    parallel_through_point( X, Y ) ) }.
% 27.54/27.92  (50089) {G0,W8,D3,L3,V2,M3}  { ! line( X ), ! point( Y ), line( 
% 27.54/27.92    orthogonal_through_point( X, Y ) ) }.
% 27.54/27.92  (50090) {G0,W6,D2,L2,V2,M2}  { ! equal_points( X, Y ), ! distinct_points( X
% 27.54/27.92    , Y ) }.
% 27.54/27.92  (50091) {G0,W6,D2,L2,V2,M2}  { distinct_points( X, Y ), equal_points( X, Y
% 27.54/27.92     ) }.
% 27.54/27.92  (50092) {G0,W6,D2,L2,V2,M2}  { ! equal_lines( X, Y ), ! distinct_lines( X, 
% 27.54/27.92    Y ) }.
% 27.54/27.92  (50093) {G0,W6,D2,L2,V2,M2}  { distinct_lines( X, Y ), equal_lines( X, Y )
% 27.54/27.92     }.
% 27.54/27.92  (50094) {G0,W6,D2,L2,V2,M2}  { ! parallel_lines( X, Y ), ! convergent_lines
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  (50095) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), parallel_lines( X
% 27.54/27.92    , Y ) }.
% 27.54/27.92  (50096) {G0,W6,D2,L2,V2,M2}  { ! incident_point_and_line( X, Y ), ! 
% 27.54/27.92    apart_point_and_line( X, Y ) }.
% 27.54/27.92  (50097) {G0,W6,D2,L2,V2,M2}  { apart_point_and_line( X, Y ), 
% 27.54/27.92    incident_point_and_line( X, Y ) }.
% 27.54/27.92  (50098) {G0,W6,D2,L2,V2,M2}  { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  (50099) {G0,W6,D2,L2,V2,M2}  { unorthogonal_lines( X, Y ), orthogonal_lines
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  (50100) {G0,W3,D2,L1,V0,M1}  { orthogonal_lines( skol3, skol1 ) }.
% 27.54/27.92  (50101) {G0,W3,D2,L1,V0,M1}  { parallel_lines( skol3, skol2 ) }.
% 27.54/27.92  (50102) {G0,W3,D2,L1,V0,M1}  { ! orthogonal_lines( skol1, skol2 ) }.
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Total Proof:
% 27.54/27.92  
% 27.54/27.92  subsumption: (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 27.54/27.92  parent0: (50054) {G0,W3,D2,L1,V1,M1}  { ! convergent_lines( X, X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 27.54/27.92    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  parent0: (50057) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 27.54/27.92    convergent_lines( X, Z ), convergent_lines( Y, Z ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 2
% 27.54/27.92     1 ==> 0
% 27.54/27.92     2 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 27.54/27.92    parallel_through_point( Y, X ), Y ) }.
% 27.54/27.92  parent0: (50067) {G0,W5,D3,L1,V2,M1}  { ! convergent_lines( 
% 27.54/27.92    parallel_through_point( Y, X ), Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  parent0: (50070) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 27.54/27.92     }.
% 27.54/27.92  parent0: (50072) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ), alpha1( X, Z ), unorthogonal_lines( Y, Z )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92     2 ==> 3
% 27.54/27.92     3 ==> 2
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 27.54/27.92    alpha1( X, Y ) }.
% 27.54/27.92  parent0: (50073) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), convergent_lines
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 27.54/27.92    orthogonal_through_point( Y, X ), Y ) }.
% 27.54/27.92  parent0: (50076) {G0,W5,D3,L1,V2,M1}  { ! unorthogonal_lines( 
% 27.54/27.92    orthogonal_through_point( Y, X ), Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (27) {G0,W12,D2,L4,V3,M1} I { unorthogonal_lines( Z, Y ), ! 
% 27.54/27.92    convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha2( X, Z )
% 27.54/27.92     }.
% 27.54/27.92  parent0: (50081) {G0,W12,D2,L4,V3,M4}  { alpha2( X, Z ), unorthogonal_lines
% 27.54/27.92    ( Z, Y ), ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 3
% 27.54/27.92     1 ==> 0
% 27.54/27.92     2 ==> 1
% 27.54/27.92     3 ==> 2
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (28) {G0,W6,D2,L2,V2,M1} I { convergent_lines( Y, X ), ! 
% 27.54/27.92    alpha2( X, Y ) }.
% 27.54/27.92  parent0: (50082) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), convergent_lines
% 27.54/27.92    ( Y, X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  parent0: (50085) {G0,W9,D2,L3,V3,M3}  { unorthogonal_lines( Z, X ), 
% 27.54/27.92    unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 2
% 27.54/27.92     2 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (40) {G0,W6,D2,L2,V2,M1} I { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    parallel_lines( X, Y ) }.
% 27.54/27.92  parent0: (50094) {G0,W6,D2,L2,V2,M2}  { ! parallel_lines( X, Y ), ! 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (44) {G0,W6,D2,L2,V2,M1} I { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  parent0: (50098) {G0,W6,D2,L2,V2,M2}  { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (45) {G0,W6,D2,L2,V2,M1} I { orthogonal_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  parent0: (50099) {G0,W6,D2,L2,V2,M2}  { unorthogonal_lines( X, Y ), 
% 27.54/27.92    orthogonal_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (46) {G0,W3,D2,L1,V0,M1} I { orthogonal_lines( skol3, skol1 )
% 27.54/27.92     }.
% 27.54/27.92  parent0: (50100) {G0,W3,D2,L1,V0,M1}  { orthogonal_lines( skol3, skol1 )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (47) {G0,W3,D2,L1,V0,M1} I { parallel_lines( skol3, skol2 )
% 27.54/27.92     }.
% 27.54/27.92  parent0: (50101) {G0,W3,D2,L1,V0,M1}  { parallel_lines( skol3, skol2 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (48) {G0,W3,D2,L1,V0,M1} I { ! orthogonal_lines( skol1, skol2
% 27.54/27.92     ) }.
% 27.54/27.92  parent0: (50102) {G0,W3,D2,L1,V0,M1}  { ! orthogonal_lines( skol1, skol2 )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50282) {G1,W6,D2,L2,V2,M2}  { convergent_lines( Y, X ), ! 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  parent0[0]: (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 27.54/27.92  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 27.54/27.92    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (64) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  parent0: (50282) {G1,W6,D2,L2,V2,M2}  { convergent_lines( Y, X ), ! 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50284) {G1,W5,D3,L1,V2,M1}  { ! convergent_lines( X, 
% 27.54/27.92    parallel_through_point( X, Y ) ) }.
% 27.54/27.92  parent0[0]: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 27.54/27.92    parallel_through_point( Y, X ), Y ) }.
% 27.54/27.92  parent1[1]: (64) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := parallel_through_point( X, Y )
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (67) {G2,W5,D3,L1,V2,M1} R(64,15) { ! convergent_lines( X, 
% 27.54/27.92    parallel_through_point( X, Y ) ) }.
% 27.54/27.92  parent0: (50284) {G1,W5,D3,L1,V2,M1}  { ! convergent_lines( X, 
% 27.54/27.92    parallel_through_point( X, Y ) ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50285) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 27.54/27.92    parallel_through_point( X, Y ) ), ! convergent_lines( X, Z ) }.
% 27.54/27.92  parent0[0]: (67) {G2,W5,D3,L1,V2,M1} R(64,15) { ! convergent_lines( X, 
% 27.54/27.92    parallel_through_point( X, Y ) ) }.
% 27.54/27.92  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 27.54/27.92    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := parallel_through_point( X, Y )
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (68) {G3,W8,D3,L2,V3,M2} R(67,5) { ! convergent_lines( Y, X )
% 27.54/27.92    , convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 27.54/27.92  parent0: (50285) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 27.54/27.92    parallel_through_point( X, Y ) ), ! convergent_lines( X, Z ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50287) {G1,W3,D2,L1,V0,M1}  { ! convergent_lines( skol3, skol2
% 27.54/27.92     ) }.
% 27.54/27.92  parent0[1]: (40) {G0,W6,D2,L2,V2,M1} I { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    parallel_lines( X, Y ) }.
% 27.54/27.92  parent1[0]: (47) {G0,W3,D2,L1,V0,M1} I { parallel_lines( skol3, skol2 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := skol3
% 27.54/27.92     Y := skol2
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (70) {G1,W3,D2,L1,V0,M1} R(40,47) { ! convergent_lines( skol3
% 27.54/27.92    , skol2 ) }.
% 27.54/27.92  parent0: (50287) {G1,W3,D2,L1,V0,M1}  { ! convergent_lines( skol3, skol2 )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50288) {G2,W3,D2,L1,V0,M1}  { ! convergent_lines( skol2, skol3
% 27.54/27.92     ) }.
% 27.54/27.92  parent0[0]: (70) {G1,W3,D2,L1,V0,M1} R(40,47) { ! convergent_lines( skol3, 
% 27.54/27.92    skol2 ) }.
% 27.54/27.92  parent1[1]: (64) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := skol3
% 27.54/27.92     Y := skol2
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (71) {G2,W3,D2,L1,V0,M1} R(70,64) { ! convergent_lines( skol2
% 27.54/27.92    , skol3 ) }.
% 27.54/27.92  parent0: (50288) {G2,W3,D2,L1,V0,M1}  { ! convergent_lines( skol2, skol3 )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50290) {G1,W6,D2,L2,V1,M2}  { convergent_lines( X, skol3 ), ! 
% 27.54/27.92    convergent_lines( X, skol2 ) }.
% 27.54/27.92  parent0[0]: (71) {G2,W3,D2,L1,V0,M1} R(70,64) { ! convergent_lines( skol2, 
% 27.54/27.92    skol3 ) }.
% 27.54/27.92  parent1[1]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 27.54/27.92    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := skol2
% 27.54/27.92     Z := skol3
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (75) {G3,W6,D2,L2,V1,M1} R(71,5) { ! convergent_lines( X, 
% 27.54/27.92    skol2 ), convergent_lines( X, skol3 ) }.
% 27.54/27.92  parent0: (50290) {G1,W6,D2,L2,V1,M2}  { convergent_lines( X, skol3 ), ! 
% 27.54/27.92    convergent_lines( X, skol2 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50291) {G1,W6,D2,L2,V2,M2}  { ! orthogonal_lines( X, Y ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  parent0[1]: (44) {G0,W6,D2,L2,V2,M1} I { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  parent1[1]: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (76) {G1,W6,D2,L2,V2,M1} R(17,44) { convergent_lines( X, Y ), 
% 27.54/27.92    ! orthogonal_lines( X, Y ) }.
% 27.54/27.92  parent0: (50291) {G1,W6,D2,L2,V2,M2}  { ! orthogonal_lines( X, Y ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50292) {G1,W5,D3,L1,V2,M1}  { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( X, Y ), X ) }.
% 27.54/27.92  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 27.54/27.92    orthogonal_through_point( Y, X ), Y ) }.
% 27.54/27.92  parent1[1]: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := orthogonal_through_point( X, Y )
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (77) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( X, Y ), X ) }.
% 27.54/27.92  parent0: (50292) {G1,W5,D3,L1,V2,M1}  { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( X, Y ), X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50293) {G1,W8,D3,L2,V3,M2}  { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( X, Y ), Z ), convergent_lines( X, Z ) }.
% 27.54/27.92  parent0[2]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 27.54/27.92    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  parent1[0]: (77) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( X, Y ), X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := orthogonal_through_point( X, Y )
% 27.54/27.92     Y := X
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (79) {G2,W8,D3,L2,V3,M2} R(77,5) { convergent_lines( X, Z ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 27.54/27.92  parent0: (50293) {G1,W8,D3,L2,V3,M2}  { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( X, Y ), Z ), convergent_lines( X, Z ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50294) {G1,W3,D2,L1,V0,M1}  { convergent_lines( skol3, skol1 )
% 27.54/27.92     }.
% 27.54/27.92  parent0[1]: (76) {G1,W6,D2,L2,V2,M1} R(17,44) { convergent_lines( X, Y ), !
% 27.54/27.92     orthogonal_lines( X, Y ) }.
% 27.54/27.92  parent1[0]: (46) {G0,W3,D2,L1,V0,M1} I { orthogonal_lines( skol3, skol1 )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := skol3
% 27.54/27.92     Y := skol1
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (106) {G2,W3,D2,L1,V0,M1} R(76,46) { convergent_lines( skol3, 
% 27.54/27.92    skol1 ) }.
% 27.54/27.92  parent0: (50294) {G1,W3,D2,L1,V0,M1}  { convergent_lines( skol3, skol1 )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50295) {G1,W6,D2,L2,V1,M2}  { convergent_lines( skol3, X ), 
% 27.54/27.92    convergent_lines( skol1, X ) }.
% 27.54/27.92  parent0[2]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 27.54/27.92    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  parent1[0]: (106) {G2,W3,D2,L1,V0,M1} R(76,46) { convergent_lines( skol3, 
% 27.54/27.92    skol1 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := skol3
% 27.54/27.92     Y := skol1
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (108) {G3,W6,D2,L2,V1,M1} R(106,5) { convergent_lines( skol1, 
% 27.54/27.92    X ), convergent_lines( skol3, X ) }.
% 27.54/27.92  parent0: (50295) {G1,W6,D2,L2,V1,M2}  { convergent_lines( skol3, X ), 
% 27.54/27.92    convergent_lines( skol1, X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50296) {G2,W3,D2,L1,V0,M1}  { convergent_lines( skol1, skol2 )
% 27.54/27.92     }.
% 27.54/27.92  parent0[0]: (70) {G1,W3,D2,L1,V0,M1} R(40,47) { ! convergent_lines( skol3, 
% 27.54/27.92    skol2 ) }.
% 27.54/27.92  parent1[1]: (108) {G3,W6,D2,L2,V1,M1} R(106,5) { convergent_lines( skol1, X
% 27.54/27.92     ), convergent_lines( skol3, X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := skol2
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (125) {G4,W3,D2,L1,V0,M1} R(108,70) { convergent_lines( skol1
% 27.54/27.92    , skol2 ) }.
% 27.54/27.92  parent0: (50296) {G2,W3,D2,L1,V0,M1}  { convergent_lines( skol1, skol2 )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50298) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), ! 
% 27.54/27.92    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 27.54/27.92    unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  parent0[1]: (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! alpha1
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  parent1[3]: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := Y
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (164) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y
% 27.54/27.92     ), convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( Y, Z ) }.
% 27.54/27.92  parent0: (50298) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), ! 
% 27.54/27.92    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 27.54/27.92    unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92     2 ==> 2
% 27.54/27.92     3 ==> 3
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50300) {G2,W6,D2,L2,V1,M2}  { convergent_lines( skol3, X ), ! 
% 27.54/27.92    convergent_lines( X, skol2 ) }.
% 27.54/27.92  parent0[0]: (64) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  parent1[1]: (75) {G3,W6,D2,L2,V1,M1} R(71,5) { ! convergent_lines( X, skol2
% 27.54/27.92     ), convergent_lines( X, skol3 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := skol3
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (188) {G4,W6,D2,L2,V1,M2} R(75,64) { convergent_lines( skol3, 
% 27.54/27.92    X ), ! convergent_lines( X, skol2 ) }.
% 27.54/27.92  parent0: (50300) {G2,W6,D2,L2,V1,M2}  { convergent_lines( skol3, X ), ! 
% 27.54/27.92    convergent_lines( X, skol2 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50302) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( X, Z ), ! convergent_lines( Y, Z ), ! 
% 27.54/27.92    unorthogonal_lines( Y, Z ) }.
% 27.54/27.92  parent0[1]: (28) {G0,W6,D2,L2,V2,M1} I { convergent_lines( Y, X ), ! alpha2
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  parent1[3]: (27) {G0,W12,D2,L4,V3,M1} I { unorthogonal_lines( Z, Y ), ! 
% 27.54/27.92    convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha2( X, Z )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (205) {G1,W12,D2,L4,V3,M2} R(27,28) { ! convergent_lines( Z, Y
% 27.54/27.92     ), convergent_lines( X, Z ), unorthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  parent0: (50302) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( X, Z ), ! convergent_lines( Y, Z ), ! 
% 27.54/27.92    unorthogonal_lines( Y, Z ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 2
% 27.54/27.92     2 ==> 0
% 27.54/27.92     3 ==> 3
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50303) {G1,W9,D2,L3,V3,M3}  { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    convergent_lines( Y, Z ), unorthogonal_lines( X, Z ) }.
% 27.54/27.92  parent0[1]: (44) {G0,W6,D2,L2,V2,M1} I { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  parent1[1]: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (220) {G1,W9,D2,L3,V3,M1} R(31,44) { ! convergent_lines( X, Y
% 27.54/27.92     ), ! orthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  parent0: (50303) {G1,W9,D2,L3,V3,M3}  { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    convergent_lines( Y, Z ), unorthogonal_lines( X, Z ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Z
% 27.54/27.92     Y := X
% 27.54/27.92     Z := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92     2 ==> 2
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50305) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( X, Z ), Y ) }.
% 27.54/27.92  parent0[0]: (64) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  parent1[0]: (79) {G2,W8,D3,L2,V3,M2} R(77,5) { convergent_lines( X, Z ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := Y
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (243) {G3,W8,D3,L2,V3,M2} R(79,64) { convergent_lines( Z, X )
% 27.54/27.92    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 27.54/27.92  parent0: (50305) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( X, Z ), Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50308) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 27.54/27.92    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ) }.
% 27.54/27.92  parent0[0]: (64) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  parent1[1]: (243) {G3,W8,D3,L2,V3,M2} R(79,64) { convergent_lines( Z, X ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Z
% 27.54/27.92     Y := orthogonal_through_point( X, Y )
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (327) {G4,W8,D3,L2,V3,M2} R(243,64) { convergent_lines( X, 
% 27.54/27.92    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 27.54/27.92  parent0: (50308) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 27.54/27.92    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50310) {G2,W8,D3,L2,V3,M2}  { convergent_lines( 
% 27.54/27.92    parallel_through_point( Y, Z ), X ), ! convergent_lines( Y, X ) }.
% 27.54/27.92  parent0[0]: (64) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  parent1[1]: (68) {G3,W8,D3,L2,V3,M2} R(67,5) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := parallel_through_point( Y, Z )
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (394) {G4,W8,D3,L2,V3,M2} R(68,64) { convergent_lines( 
% 27.54/27.92    parallel_through_point( X, Z ), Y ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  parent0: (50310) {G2,W8,D3,L2,V3,M2}  { convergent_lines( 
% 27.54/27.92    parallel_through_point( Y, Z ), X ), ! convergent_lines( Y, X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := X
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50311) {G5,W8,D3,L2,V2,M2}  { convergent_lines( 
% 27.54/27.92    parallel_through_point( skol3, X ), Y ), ! convergent_lines( Y, skol2 )
% 27.54/27.92     }.
% 27.54/27.92  parent0[1]: (394) {G4,W8,D3,L2,V3,M2} R(68,64) { convergent_lines( 
% 27.54/27.92    parallel_through_point( X, Z ), Y ), ! convergent_lines( X, Y ) }.
% 27.54/27.92  parent1[0]: (188) {G4,W6,D2,L2,V1,M2} R(75,64) { convergent_lines( skol3, X
% 27.54/27.92     ), ! convergent_lines( X, skol2 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := skol3
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := Y
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (519) {G5,W8,D3,L2,V2,M2} R(394,188) { ! convergent_lines( Y, 
% 27.54/27.92    skol2 ), convergent_lines( parallel_through_point( skol3, X ), Y ) }.
% 27.54/27.92  parent0: (50311) {G5,W8,D3,L2,V2,M2}  { convergent_lines( 
% 27.54/27.92    parallel_through_point( skol3, X ), Y ), ! convergent_lines( Y, skol2 )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50312) {G1,W9,D2,L3,V3,M3}  { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    convergent_lines( Z, Y ), ! orthogonal_lines( X, Z ) }.
% 27.54/27.92  parent0[1]: (44) {G0,W6,D2,L2,V2,M1} I { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  parent1[2]: (220) {G1,W9,D2,L3,V3,M1} R(31,44) { ! convergent_lines( X, Y )
% 27.54/27.92    , ! orthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := Z
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (1846) {G2,W9,D2,L3,V3,M2} R(220,44) { ! convergent_lines( X, 
% 27.54/27.92    Y ), ! orthogonal_lines( Z, Y ), ! orthogonal_lines( Z, X ) }.
% 27.54/27.92  parent0: (50312) {G1,W9,D2,L3,V3,M3}  { ! orthogonal_lines( X, Y ), ! 
% 27.54/27.92    convergent_lines( Z, Y ), ! orthogonal_lines( X, Z ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Z
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 1
% 27.54/27.92     1 ==> 0
% 27.54/27.92     2 ==> 2
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50315) {G1,W6,D2,L2,V1,M2}  { ! convergent_lines( skol1, X ), 
% 27.54/27.92    ! orthogonal_lines( skol3, X ) }.
% 27.54/27.92  parent0[2]: (1846) {G2,W9,D2,L3,V3,M2} R(220,44) { ! convergent_lines( X, Y
% 27.54/27.92     ), ! orthogonal_lines( Z, Y ), ! orthogonal_lines( Z, X ) }.
% 27.54/27.92  parent1[0]: (46) {G0,W3,D2,L1,V0,M1} I { orthogonal_lines( skol3, skol1 )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := skol1
% 27.54/27.92     Y := X
% 27.54/27.92     Z := skol3
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (1848) {G3,W6,D2,L2,V1,M1} R(1846,46) { ! convergent_lines( 
% 27.54/27.92    skol1, X ), ! orthogonal_lines( skol3, X ) }.
% 27.54/27.92  parent0: (50315) {G1,W6,D2,L2,V1,M2}  { ! convergent_lines( skol1, X ), ! 
% 27.54/27.92    orthogonal_lines( skol3, X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50316) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( Z, 
% 27.54/27.92    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ), ! 
% 27.54/27.92    unorthogonal_lines( Z, orthogonal_through_point( X, Y ) ) }.
% 27.54/27.92  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 27.54/27.92    orthogonal_through_point( Y, X ), Y ) }.
% 27.54/27.92  parent1[3]: (164) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y
% 27.54/27.92     ), convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( Y, Z ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := Z
% 27.54/27.92     Y := orthogonal_through_point( X, Y )
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50317) {G2,W11,D3,L3,V3,M3}  { convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  parent0[0]: (50316) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( Z, 
% 27.54/27.92    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ), ! 
% 27.54/27.92    unorthogonal_lines( Z, orthogonal_through_point( X, Y ) ) }.
% 27.54/27.92  parent1[0]: (327) {G4,W8,D3,L2,V3,M2} R(243,64) { convergent_lines( X, 
% 27.54/27.92    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  factor: (50318) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  parent0[0, 2]: (50317) {G2,W11,D3,L3,V3,M3}  { convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (2715) {G5,W8,D3,L2,V3,M1} R(164,23);r(327) { convergent_lines
% 27.54/27.92    ( X, Y ), ! unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  parent0: (50318) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50319) {G1,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), 
% 27.54/27.92    orthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  parent0[1]: (2715) {G5,W8,D3,L2,V3,M1} R(164,23);r(327) { convergent_lines
% 27.54/27.92    ( X, Y ), ! unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  parent1[1]: (45) {G0,W6,D2,L2,V2,M1} I { orthogonal_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := orthogonal_through_point( Y, Z )
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (2726) {G6,W8,D3,L2,V3,M1} R(2715,45) { convergent_lines( X, Y
% 27.54/27.92     ), orthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  parent0: (50319) {G1,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), 
% 27.54/27.92    orthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50321) {G4,W8,D3,L2,V2,M2}  { ! convergent_lines( skol1, 
% 27.54/27.92    orthogonal_through_point( X, Y ) ), convergent_lines( skol3, X ) }.
% 27.54/27.92  parent0[1]: (1848) {G3,W6,D2,L2,V1,M1} R(1846,46) { ! convergent_lines( 
% 27.54/27.92    skol1, X ), ! orthogonal_lines( skol3, X ) }.
% 27.54/27.92  parent1[1]: (2726) {G6,W8,D3,L2,V3,M1} R(2715,45) { convergent_lines( X, Y
% 27.54/27.92     ), orthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := orthogonal_through_point( X, Y )
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := skol3
% 27.54/27.92     Y := X
% 27.54/27.92     Z := Y
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (2727) {G7,W8,D3,L2,V2,M2} R(2726,1848) { ! convergent_lines( 
% 27.54/27.92    skol1, orthogonal_through_point( X, Y ) ), convergent_lines( skol3, X )
% 27.54/27.92     }.
% 27.54/27.92  parent0: (50321) {G4,W8,D3,L2,V2,M2}  { ! convergent_lines( skol1, 
% 27.54/27.92    orthogonal_through_point( X, Y ) ), convergent_lines( skol3, X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50322) {G6,W10,D3,L2,V2,M2}  { convergent_lines( 
% 27.54/27.92    parallel_through_point( skol3, X ), skol3 ), ! convergent_lines( skol1, 
% 27.54/27.92    orthogonal_through_point( skol2, Y ) ) }.
% 27.54/27.92  parent0[0]: (519) {G5,W8,D3,L2,V2,M2} R(394,188) { ! convergent_lines( Y, 
% 27.54/27.92    skol2 ), convergent_lines( parallel_through_point( skol3, X ), Y ) }.
% 27.54/27.92  parent1[1]: (2727) {G7,W8,D3,L2,V2,M2} R(2726,1848) { ! convergent_lines( 
% 27.54/27.92    skol1, orthogonal_through_point( X, Y ) ), convergent_lines( skol3, X )
% 27.54/27.92     }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := skol3
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := skol2
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50323) {G1,W5,D3,L1,V1,M1}  { ! convergent_lines( skol1, 
% 27.54/27.92    orthogonal_through_point( skol2, Y ) ) }.
% 27.54/27.92  parent0[0]: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 27.54/27.92    parallel_through_point( Y, X ), Y ) }.
% 27.54/27.92  parent1[0]: (50322) {G6,W10,D3,L2,V2,M2}  { convergent_lines( 
% 27.54/27.92    parallel_through_point( skol3, X ), skol3 ), ! convergent_lines( skol1, 
% 27.54/27.92    orthogonal_through_point( skol2, Y ) ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := skol3
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (2749) {G8,W5,D3,L1,V1,M1} R(2727,519);r(15) { ! 
% 27.54/27.92    convergent_lines( skol1, orthogonal_through_point( skol2, X ) ) }.
% 27.54/27.92  parent0: (50323) {G1,W5,D3,L1,V1,M1}  { ! convergent_lines( skol1, 
% 27.54/27.92    orthogonal_through_point( skol2, Y ) ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50324) {G2,W5,D3,L1,V1,M1}  { ! convergent_lines( 
% 27.54/27.92    orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  parent0[0]: (2749) {G8,W5,D3,L1,V1,M1} R(2727,519);r(15) { ! 
% 27.54/27.92    convergent_lines( skol1, orthogonal_through_point( skol2, X ) ) }.
% 27.54/27.92  parent1[1]: (64) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 27.54/27.92    convergent_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := skol1
% 27.54/27.92     Y := orthogonal_through_point( skol2, X )
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (2852) {G9,W5,D3,L1,V1,M1} R(2749,64) { ! convergent_lines( 
% 27.54/27.92    orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  parent0: (50324) {G2,W5,D3,L1,V1,M1}  { ! convergent_lines( 
% 27.54/27.92    orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50325) {G1,W11,D3,L3,V3,M3}  { ! convergent_lines( Z, X ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( X, Y ), Z ), ! 
% 27.54/27.92    unorthogonal_lines( Z, X ) }.
% 27.54/27.92  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 27.54/27.92    orthogonal_through_point( Y, X ), Y ) }.
% 27.54/27.92  parent1[2]: (205) {G1,W12,D2,L4,V3,M2} R(27,28) { ! convergent_lines( Z, Y
% 27.54/27.92     ), convergent_lines( X, Z ), unorthogonal_lines( X, Y ), ! 
% 27.54/27.92    unorthogonal_lines( Z, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := orthogonal_through_point( X, Y )
% 27.54/27.92     Y := X
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (3100) {G2,W11,D3,L3,V3,M1} R(205,23) { ! convergent_lines( X
% 27.54/27.92    , Y ), convergent_lines( orthogonal_through_point( Y, Z ), X ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  parent0: (50325) {G1,W11,D3,L3,V3,M3}  { ! convergent_lines( Z, X ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( X, Y ), Z ), ! 
% 27.54/27.92    unorthogonal_lines( Z, X ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := Y
% 27.54/27.92     Y := Z
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92     2 ==> 2
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50326) {G1,W11,D3,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( Y, Z ), X ), orthogonal_lines
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  parent0[2]: (3100) {G2,W11,D3,L3,V3,M1} R(205,23) { ! convergent_lines( X, 
% 27.54/27.92    Y ), convergent_lines( orthogonal_through_point( Y, Z ), X ), ! 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  parent1[1]: (45) {G0,W6,D2,L2,V2,M1} I { orthogonal_lines( X, Y ), 
% 27.54/27.92    unorthogonal_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (50048) {G3,W11,D3,L3,V3,M1} R(3100,45) { ! convergent_lines( 
% 27.54/27.92    X, Y ), convergent_lines( orthogonal_through_point( Y, Z ), X ), 
% 27.54/27.92    orthogonal_lines( X, Y ) }.
% 27.54/27.92  parent0: (50326) {G1,W11,D3,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 27.54/27.92    convergent_lines( orthogonal_through_point( Y, Z ), X ), orthogonal_lines
% 27.54/27.92    ( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92     Y := Y
% 27.54/27.92     Z := Z
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92     1 ==> 1
% 27.54/27.92     2 ==> 2
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50327) {G1,W8,D3,L2,V1,M2}  { ! convergent_lines( skol1, skol2
% 27.54/27.92     ), convergent_lines( orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  parent0[0]: (48) {G0,W3,D2,L1,V0,M1} I { ! orthogonal_lines( skol1, skol2 )
% 27.54/27.92     }.
% 27.54/27.92  parent1[2]: (50048) {G3,W11,D3,L3,V3,M1} R(3100,45) { ! convergent_lines( X
% 27.54/27.92    , Y ), convergent_lines( orthogonal_through_point( Y, Z ), X ), 
% 27.54/27.92    orthogonal_lines( X, Y ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := skol1
% 27.54/27.92     Y := skol2
% 27.54/27.92     Z := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50328) {G2,W5,D3,L1,V1,M1}  { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  parent0[0]: (50327) {G1,W8,D3,L2,V1,M2}  { ! convergent_lines( skol1, skol2
% 27.54/27.92     ), convergent_lines( orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  parent1[0]: (125) {G4,W3,D2,L1,V0,M1} R(108,70) { convergent_lines( skol1, 
% 27.54/27.92    skol2 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (50049) {G5,W5,D3,L1,V1,M1} R(50048,48);r(125) { 
% 27.54/27.92    convergent_lines( orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  parent0: (50328) {G2,W5,D3,L1,V1,M1}  { convergent_lines( 
% 27.54/27.92    orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92     0 ==> 0
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  resolution: (50329) {G6,W0,D0,L0,V0,M0}  {  }.
% 27.54/27.92  parent0[0]: (2852) {G9,W5,D3,L1,V1,M1} R(2749,64) { ! convergent_lines( 
% 27.54/27.92    orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  parent1[0]: (50049) {G5,W5,D3,L1,V1,M1} R(50048,48);r(125) { 
% 27.54/27.92    convergent_lines( orthogonal_through_point( skol2, X ), skol1 ) }.
% 27.54/27.92  substitution0:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  substitution1:
% 27.54/27.92     X := X
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  subsumption: (50050) {G10,W0,D0,L0,V0,M0} S(50049);r(2852) {  }.
% 27.54/27.92  parent0: (50329) {G6,W0,D0,L0,V0,M0}  {  }.
% 27.54/27.92  substitution0:
% 27.54/27.92  end
% 27.54/27.92  permutation0:
% 27.54/27.92  end
% 27.54/27.92  
% 27.54/27.92  Proof check complete!
% 27.54/27.92  
% 27.54/27.92  Memory use:
% 27.54/27.92  
% 27.54/27.92  space for terms:        738310
% 27.54/27.92  space for clauses:      1895809
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  clauses generated:      1301841
% 27.54/27.92  clauses kept:           50051
% 27.54/27.92  clauses selected:       2184
% 27.54/27.92  clauses deleted:        1435
% 27.54/27.92  clauses inuse deleted:  58
% 27.54/27.92  
% 27.54/27.92  subsentry:          41244954
% 27.54/27.92  literals s-matched: 13085668
% 27.54/27.92  literals matched:   13084809
% 27.54/27.92  full subsumption:   7606603
% 27.54/27.92  
% 27.54/27.92  checksum:           -1708894154
% 27.54/27.92  
% 27.54/27.92  
% 27.54/27.92  Bliksem ended
%------------------------------------------------------------------------------