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Bliksem---1.12.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GEO183+3 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n027.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 0s
% DateTime : Sat Jul 16 02:52:23 EDT 2022

% Result   : Theorem 1.01s 1.37s
% Output   : Refutation 1.01s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : GEO183+3 : TPTP v8.1.0. Released v4.0.0.
% 0.03/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n027.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % DateTime : Sat Jun 18 12:55:53 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.01/1.37  *** allocated 10000 integers for termspace/termends
% 1.01/1.37  *** allocated 10000 integers for clauses
% 1.01/1.37  *** allocated 10000 integers for justifications
% 1.01/1.37  Bliksem 1.12
% 1.01/1.37  
% 1.01/1.37  
% 1.01/1.37  Automatic Strategy Selection
% 1.01/1.37  
% 1.01/1.37  
% 1.01/1.37  Clauses:
% 1.01/1.37  
% 1.01/1.37  { ! distinct_points( X, X ) }.
% 1.01/1.37  { ! distinct_lines( X, X ) }.
% 1.01/1.37  { ! convergent_lines( X, X ) }.
% 1.01/1.37  { ! distinct_points( X, Y ), distinct_points( X, Z ), distinct_points( Y, Z
% 1.01/1.37     ) }.
% 1.01/1.37  { ! distinct_lines( X, Y ), distinct_lines( X, Z ), distinct_lines( Y, Z )
% 1.01/1.37     }.
% 1.01/1.37  { ! convergent_lines( X, Y ), convergent_lines( X, Z ), convergent_lines( Y
% 1.01/1.37    , Z ) }.
% 1.01/1.37  { ! distinct_points( X, Y ), ! apart_point_and_line( X, line_connecting( X
% 1.01/1.37    , Y ) ) }.
% 1.01/1.37  { ! distinct_points( X, Y ), ! apart_point_and_line( Y, line_connecting( X
% 1.01/1.37    , Y ) ) }.
% 1.01/1.37  { ! convergent_lines( X, Y ), ! apart_point_and_line( intersection_point( X
% 1.01/1.37    , Y ), X ) }.
% 1.01/1.37  { ! convergent_lines( X, Y ), ! apart_point_and_line( intersection_point( X
% 1.01/1.37    , Y ), Y ) }.
% 1.01/1.37  { ! distinct_points( X, Y ), ! distinct_lines( Z, T ), apart_point_and_line
% 1.01/1.37    ( X, Z ), apart_point_and_line( X, T ), apart_point_and_line( Y, Z ), 
% 1.01/1.37    apart_point_and_line( Y, T ) }.
% 1.01/1.37  { ! apart_point_and_line( X, Y ), distinct_points( X, Z ), 
% 1.01/1.37    apart_point_and_line( Z, Y ) }.
% 1.01/1.37  { ! apart_point_and_line( X, Y ), distinct_lines( Y, Z ), 
% 1.01/1.37    apart_point_and_line( X, Z ) }.
% 1.01/1.37  { ! convergent_lines( X, Y ), distinct_lines( Y, Z ), convergent_lines( X, 
% 1.01/1.37    Z ) }.
% 1.01/1.37  { ! distinct_lines( X, Y ), convergent_lines( X, Y ) }.
% 1.01/1.37  { ! convergent_lines( parallel_through_point( Y, X ), Y ) }.
% 1.01/1.37  { ! apart_point_and_line( X, parallel_through_point( Y, X ) ) }.
% 1.01/1.37  { ! distinct_lines( X, Y ), apart_point_and_line( Z, X ), 
% 1.01/1.37    apart_point_and_line( Z, Y ), convergent_lines( X, Y ) }.
% 1.01/1.37  { convergent_lines( X, Y ), unorthogonal_lines( X, Y ) }.
% 1.01/1.37  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Z )
% 1.01/1.37    , convergent_lines( Y, Z ) }.
% 1.01/1.37  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Z )
% 1.01/1.37    , unorthogonal_lines( Y, Z ) }.
% 1.01/1.37  { ! alpha1( X, Y ), convergent_lines( X, Y ) }.
% 1.01/1.37  { ! alpha1( X, Y ), unorthogonal_lines( X, Y ) }.
% 1.01/1.37  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Y )
% 1.01/1.37     }.
% 1.01/1.37  { ! unorthogonal_lines( orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.37  { ! apart_point_and_line( X, orthogonal_through_point( Y, X ) ) }.
% 1.01/1.37  { ! distinct_lines( X, Y ), apart_point_and_line( Z, X ), 
% 1.01/1.37    apart_point_and_line( Z, Y ), unorthogonal_lines( X, T ), 
% 1.01/1.37    unorthogonal_lines( Y, T ) }.
% 1.01/1.37  { convergent_lines( X, Y ), unorthogonal_lines( X, Y ) }.
% 1.01/1.37  { alpha2( X, Z ), convergent_lines( Z, Y ), ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ) }.
% 1.01/1.37  { alpha2( X, Z ), unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ), !
% 1.01/1.37     unorthogonal_lines( X, Y ) }.
% 1.01/1.37  { ! alpha2( X, Y ), convergent_lines( Y, X ) }.
% 1.01/1.37  { ! alpha2( X, Y ), unorthogonal_lines( Y, X ) }.
% 1.01/1.37  { ! convergent_lines( Y, X ), ! unorthogonal_lines( Y, X ), alpha2( X, Y )
% 1.01/1.37     }.
% 1.01/1.37  { unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ), ! 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  { ! point( X ), ! point( Y ), ! distinct_points( X, Y ), line( 
% 1.01/1.37    line_connecting( X, Y ) ) }.
% 1.01/1.37  { ! line( X ), ! line( Y ), ! convergent_lines( X, Y ), point( 
% 1.01/1.37    intersection_point( X, Y ) ) }.
% 1.01/1.37  { ! line( X ), ! point( Y ), line( parallel_through_point( X, Y ) ) }.
% 1.01/1.37  { ! line( X ), ! point( Y ), line( orthogonal_through_point( X, Y ) ) }.
% 1.01/1.37  { ! equal_points( X, Y ), ! distinct_points( X, Y ) }.
% 1.01/1.37  { distinct_points( X, Y ), equal_points( X, Y ) }.
% 1.01/1.37  { ! equal_lines( X, Y ), ! distinct_lines( X, Y ) }.
% 1.01/1.37  { distinct_lines( X, Y ), equal_lines( X, Y ) }.
% 1.01/1.37  { ! parallel_lines( X, Y ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  { convergent_lines( X, Y ), parallel_lines( X, Y ) }.
% 1.01/1.37  { ! incident_point_and_line( X, Y ), ! apart_point_and_line( X, Y ) }.
% 1.01/1.37  { apart_point_and_line( X, Y ), incident_point_and_line( X, Y ) }.
% 1.01/1.37  { ! orthogonal_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 1.01/1.37  { unorthogonal_lines( X, Y ), orthogonal_lines( X, Y ) }.
% 1.01/1.37  { distinct_points( skol1, skol2 ) }.
% 1.01/1.37  { convergent_lines( skol3, skol4 ) }.
% 1.01/1.37  { equal_lines( skol3, line_connecting( skol1, skol2 ) ) }.
% 1.01/1.37  { ! incident_point_and_line( skol1, skol3 ), ! incident_point_and_line( 
% 1.01/1.37    skol2, skol3 ) }.
% 1.01/1.37  
% 1.01/1.37  percentage equality = 0.000000, percentage horn = 0.620000
% 1.01/1.37  This a non-horn, non-equality problem
% 1.01/1.37  
% 1.01/1.37  
% 1.01/1.37  Options Used:
% 1.01/1.37  
% 1.01/1.37  useres =            1
% 1.01/1.37  useparamod =        0
% 1.01/1.37  useeqrefl =         0
% 1.01/1.37  useeqfact =         0
% 1.01/1.37  usefactor =         1
% 1.01/1.37  usesimpsplitting =  0
% 1.01/1.37  usesimpdemod =      0
% 1.01/1.37  usesimpres =        3
% 1.01/1.37  
% 1.01/1.37  resimpinuse      =  1000
% 1.01/1.37  resimpclauses =     20000
% 1.01/1.37  substype =          standard
% 1.01/1.37  backwardsubs =      1
% 1.01/1.37  selectoldest =      5
% 1.01/1.37  
% 1.01/1.37  litorderings [0] =  split
% 1.01/1.37  litorderings [1] =  liftord
% 1.01/1.37  
% 1.01/1.37  termordering =      none
% 1.01/1.37  
% 1.01/1.37  litapriori =        1
% 1.01/1.37  termapriori =       0
% 1.01/1.37  litaposteriori =    0
% 1.01/1.37  termaposteriori =   0
% 1.01/1.37  demodaposteriori =  0
% 1.01/1.37  ordereqreflfact =   0
% 1.01/1.37  
% 1.01/1.37  litselect =         none
% 1.01/1.37  
% 1.01/1.37  maxweight =         15
% 1.01/1.37  maxdepth =          30000
% 1.01/1.37  maxlength =         115
% 1.01/1.37  maxnrvars =         195
% 1.01/1.37  excuselevel =       1
% 1.01/1.37  increasemaxweight = 1
% 1.01/1.37  
% 1.01/1.37  maxselected =       10000000
% 1.01/1.37  maxnrclauses =      10000000
% 1.01/1.37  
% 1.01/1.37  showgenerated =    0
% 1.01/1.37  showkept =         0
% 1.01/1.37  showselected =     0
% 1.01/1.37  showdeleted =      0
% 1.01/1.37  showresimp =       1
% 1.01/1.37  showstatus =       2000
% 1.01/1.37  
% 1.01/1.37  prologoutput =     0
% 1.01/1.37  nrgoals =          5000000
% 1.01/1.37  totalproof =       1
% 1.01/1.37  
% 1.01/1.37  Symbols occurring in the translation:
% 1.01/1.37  
% 1.01/1.37  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 1.01/1.37  .  [1, 2]      (w:1, o:27, a:1, s:1, b:0), 
% 1.01/1.37  !  [4, 1]      (w:0, o:20, a:1, s:1, b:0), 
% 1.01/1.37  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.01/1.37  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 1.01/1.37  distinct_points  [36, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 1.01/1.37  distinct_lines  [37, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 1.01/1.37  convergent_lines  [38, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 1.01/1.37  line_connecting  [41, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 1.01/1.37  apart_point_and_line  [42, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 1.01/1.37  intersection_point  [43, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 1.01/1.37  parallel_through_point  [46, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 1.01/1.37  unorthogonal_lines  [49, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 1.01/1.37  orthogonal_through_point  [52, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 1.01/1.37  point  [54, 1]      (w:1, o:25, a:1, s:1, b:0), 
% 1.01/1.37  line  [55, 1]      (w:1, o:26, a:1, s:1, b:0), 
% 1.01/1.37  equal_points  [56, 2]      (w:1, o:61, a:1, s:1, b:0), 
% 1.01/1.37  equal_lines  [57, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 1.01/1.37  parallel_lines  [58, 2]      (w:1, o:63, a:1, s:1, b:0), 
% 1.01/1.37  incident_point_and_line  [59, 2]      (w:1, o:64, a:1, s:1, b:0), 
% 1.01/1.37  orthogonal_lines  [60, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 1.01/1.37  alpha1  [61, 2]      (w:1, o:65, a:1, s:1, b:0), 
% 1.01/1.37  alpha2  [62, 2]      (w:1, o:66, a:1, s:1, b:0), 
% 1.01/1.37  skol1  [63, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 1.01/1.37  skol2  [64, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 1.01/1.37  skol3  [65, 0]      (w:1, o:18, a:1, s:1, b:0), 
% 1.01/1.37  skol4  [66, 0]      (w:1, o:19, a:1, s:1, b:0).
% 1.01/1.37  
% 1.01/1.37  
% 1.01/1.37  Starting Search:
% 1.01/1.37  
% 1.01/1.37  *** allocated 15000 integers for clauses
% 1.01/1.37  *** allocated 22500 integers for clauses
% 1.01/1.37  *** allocated 33750 integers for clauses
% 1.01/1.37  *** allocated 15000 integers for termspace/termends
% 1.01/1.37  *** allocated 50625 integers for clauses
% 1.01/1.37  Resimplifying inuse:
% 1.01/1.37  Done
% 1.01/1.37  
% 1.01/1.37  *** allocated 22500 integers for termspace/termends
% 1.01/1.37  *** allocated 75937 integers for clauses
% 1.01/1.37  *** allocated 33750 integers for termspace/termends
% 1.01/1.37  *** allocated 113905 integers for clauses
% 1.01/1.37  
% 1.01/1.37  Intermediate Status:
% 1.01/1.37  Generated:    11106
% 1.01/1.37  Kept:         2064
% 1.01/1.37  Inuse:        333
% 1.01/1.37  Deleted:      1
% 1.01/1.37  Deletedinuse: 0
% 1.01/1.37  
% 1.01/1.37  Resimplifying inuse:
% 1.01/1.37  Done
% 1.01/1.37  
% 1.01/1.37  *** allocated 50625 integers for termspace/termends
% 1.01/1.37  *** allocated 170857 integers for clauses
% 1.01/1.37  Resimplifying inuse:
% 1.01/1.37  Done
% 1.01/1.37  
% 1.01/1.37  *** allocated 75937 integers for termspace/termends
% 1.01/1.37  
% 1.01/1.37  Intermediate Status:
% 1.01/1.37  Generated:    22398
% 1.01/1.37  Kept:         4079
% 1.01/1.37  Inuse:        504
% 1.01/1.37  Deleted:      16
% 1.01/1.37  Deletedinuse: 2
% 1.01/1.37  
% 1.01/1.37  Resimplifying inuse:
% 1.01/1.37  Done
% 1.01/1.37  
% 1.01/1.37  *** allocated 256285 integers for clauses
% 1.01/1.37  
% 1.01/1.37  Bliksems!, er is een bewijs:
% 1.01/1.37  % SZS status Theorem
% 1.01/1.37  % SZS output start Refutation
% 1.01/1.37  
% 1.01/1.37  (1) {G0,W3,D2,L1,V1,M1} I { ! distinct_lines( X, X ) }.
% 1.01/1.37  (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 1.01/1.37  (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), distinct_lines( Y, Z )
% 1.01/1.37    , ! distinct_lines( X, Y ) }.
% 1.01/1.37  (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), convergent_lines( Y, 
% 1.01/1.37    Z ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), apart_point_and_line( 
% 1.01/1.37    X, Z ), ! apart_point_and_line( X, Y ) }.
% 1.01/1.37  (13) {G0,W9,D2,L3,V3,M1} I { ! convergent_lines( X, Y ), convergent_lines( 
% 1.01/1.37    X, Z ), distinct_lines( Y, Z ) }.
% 1.01/1.37  (14) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! distinct_lines( X
% 1.01/1.37    , Y ) }.
% 1.01/1.37  (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( parallel_through_point( Y
% 1.01/1.37    , X ), Y ) }.
% 1.01/1.37  (16) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 1.01/1.37    parallel_through_point( Y, X ) ) }.
% 1.01/1.37  (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), unorthogonal_lines( 
% 1.01/1.37    X, Y ) }.
% 1.01/1.37  (18) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), convergent_lines( Y, Z ), alpha1( X, Z ) }.
% 1.01/1.37  (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 1.01/1.37     }.
% 1.01/1.37  (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! alpha1( X, Y ) }.
% 1.01/1.37  (21) {G0,W6,D2,L2,V2,M1} I { unorthogonal_lines( X, Y ), ! alpha1( X, Y )
% 1.01/1.37     }.
% 1.01/1.37  (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( orthogonal_through_point
% 1.01/1.37    ( Y, X ), Y ) }.
% 1.01/1.37  (24) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 1.01/1.37    orthogonal_through_point( Y, X ) ) }.
% 1.01/1.37  (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), unorthogonal_lines
% 1.01/1.37    ( Z, X ), unorthogonal_lines( Z, Y ) }.
% 1.01/1.37  (38) {G0,W6,D2,L2,V2,M1} I { ! distinct_lines( X, Y ), ! equal_lines( X, Y
% 1.01/1.37     ) }.
% 1.01/1.37  (43) {G0,W6,D2,L2,V2,M1} I { apart_point_and_line( X, Y ), 
% 1.01/1.37    incident_point_and_line( X, Y ) }.
% 1.01/1.37  (48) {G0,W5,D3,L1,V0,M1} I { equal_lines( skol3, line_connecting( skol1, 
% 1.01/1.37    skol2 ) ) }.
% 1.01/1.37  (49) {G0,W6,D2,L2,V0,M1} I { ! incident_point_and_line( skol1, skol3 ), ! 
% 1.01/1.37    incident_point_and_line( skol2, skol3 ) }.
% 1.01/1.37  (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), distinct_lines
% 1.01/1.37    ( X, Y ) }.
% 1.01/1.37  (58) {G2,W9,D2,L3,V3,M3} R(56,4) { distinct_lines( Z, X ), ! distinct_lines
% 1.01/1.37    ( Z, Y ), distinct_lines( X, Y ) }.
% 1.01/1.37  (64) {G1,W8,D3,L2,V3,M2} R(5,15) { ! convergent_lines( 
% 1.01/1.37    parallel_through_point( Y, Z ), X ), convergent_lines( X, Y ) }.
% 1.01/1.37  (65) {G1,W8,D3,L2,V3,M2} R(5,15) { ! convergent_lines( X, 
% 1.01/1.37    parallel_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 1.01/1.37  (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  (68) {G2,W9,D2,L3,V3,M3} R(67,5) { convergent_lines( Z, X ), ! 
% 1.01/1.37    convergent_lines( Y, Z ), convergent_lines( X, Y ) }.
% 1.01/1.37  (75) {G1,W5,D3,L1,V0,M1} R(38,48) { ! distinct_lines( skol3, 
% 1.01/1.37    line_connecting( skol1, skol2 ) ) }.
% 1.01/1.37  (108) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), X ) }.
% 1.01/1.37  (110) {G2,W8,D3,L2,V3,M2} R(108,5) { convergent_lines( X, Z ), 
% 1.01/1.37    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.37  (122) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), ! 
% 1.01/1.37    distinct_lines( Y, X ) }.
% 1.01/1.37  (132) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 1.01/1.37    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 1.01/1.37    apart_point_and_line( Z, X ) }.
% 1.01/1.37  (142) {G1,W8,D3,L2,V3,M1} R(12,16) { distinct_lines( X, 
% 1.01/1.37    parallel_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.37  (143) {G1,W8,D3,L2,V3,M1} R(12,24) { distinct_lines( X, 
% 1.01/1.37    orthogonal_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.37  (160) {G1,W12,D2,L4,V3,M2} R(18,21) { ! convergent_lines( X, Y ), 
% 1.01/1.37    convergent_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ) }.
% 1.01/1.37  (164) {G1,W6,D2,L2,V0,M1} R(49,43) { apart_point_and_line( skol2, skol3 ), 
% 1.01/1.37    ! incident_point_and_line( skol1, skol3 ) }.
% 1.01/1.37  (165) {G2,W6,D2,L2,V0,M1} R(164,43) { apart_point_and_line( skol1, skol3 )
% 1.01/1.37    , apart_point_and_line( skol2, skol3 ) }.
% 1.01/1.37  (166) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y ), 
% 1.01/1.37    convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 1.01/1.37    unorthogonal_lines( Y, Z ) }.
% 1.01/1.37  (167) {G1,W12,D2,L4,V3,M3} R(19,21) { ! convergent_lines( X, Y ), 
% 1.01/1.37    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ) }.
% 1.01/1.37  (180) {G3,W8,D3,L2,V3,M2} R(110,67) { convergent_lines( Z, X ), 
% 1.01/1.37    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.37  (197) {G4,W8,D3,L2,V3,M2} R(180,67) { convergent_lines( X, 
% 1.01/1.37    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 1.01/1.37  (255) {G1,W8,D3,L2,V3,M1} R(31,23) { ! convergent_lines( X, Y ), 
% 1.01/1.37    unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 1.01/1.37  (306) {G2,W8,D3,L2,V3,M2} R(64,67) { convergent_lines( X, Z ), ! 
% 1.01/1.37    convergent_lines( parallel_through_point( X, Y ), Z ) }.
% 1.01/1.37  (348) {G3,W8,D3,L2,V3,M2} R(306,67) { ! convergent_lines( Y, 
% 1.01/1.37    parallel_through_point( X, Z ) ), convergent_lines( X, Y ) }.
% 1.01/1.37  (572) {G3,W8,D3,L2,V1,M1} R(58,75) { ! distinct_lines( skol3, X ), 
% 1.01/1.37    distinct_lines( line_connecting( skol1, skol2 ), X ) }.
% 1.01/1.37  (576) {G4,W8,D3,L2,V1,M1} R(572,122) { convergent_lines( X, line_connecting
% 1.01/1.37    ( skol1, skol2 ) ), ! distinct_lines( skol3, X ) }.
% 1.01/1.37  (588) {G5,W11,D3,L3,V2,M2} R(576,13) { ! convergent_lines( Y, skol3 ), 
% 1.01/1.37    convergent_lines( Y, X ), convergent_lines( X, line_connecting( skol1, 
% 1.01/1.37    skol2 ) ) }.
% 1.01/1.37  (592) {G6,W5,D3,L1,V0,M1} F(588);r(2) { ! convergent_lines( line_connecting
% 1.01/1.37    ( skol1, skol2 ), skol3 ) }.
% 1.01/1.37  (594) {G7,W7,D4,L1,V1,M1} R(592,348) { ! convergent_lines( skol3, 
% 1.01/1.37    parallel_through_point( line_connecting( skol1, skol2 ), X ) ) }.
% 1.01/1.37  (635) {G8,W9,D5,L1,V2,M1} R(594,65) { ! convergent_lines( skol3, 
% 1.01/1.37    parallel_through_point( parallel_through_point( line_connecting( skol1, 
% 1.01/1.37    skol2 ), X ), Y ) ) }.
% 1.01/1.37  (2552) {G2,W14,D3,L4,V5,M1} R(132,143) { distinct_lines( X, Y ), 
% 1.01/1.37    distinct_lines( Y, Z ), distinct_lines( Z, orthogonal_through_point( U, T
% 1.01/1.37     ) ), ! apart_point_and_line( T, X ) }.
% 1.01/1.37  (2553) {G2,W14,D3,L4,V5,M1} R(132,142) { distinct_lines( X, Y ), 
% 1.01/1.37    distinct_lines( Y, Z ), distinct_lines( Z, parallel_through_point( U, T )
% 1.01/1.37     ), ! apart_point_and_line( T, X ) }.
% 1.01/1.37  (2561) {G3,W8,D3,L2,V3,M1} F(2553);r(56) { distinct_lines( 
% 1.01/1.37    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.37  (2562) {G3,W8,D3,L2,V3,M1} F(2552);r(56) { distinct_lines( 
% 1.01/1.37    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.37  (2578) {G4,W8,D3,L2,V1,M1} R(2562,165) { distinct_lines( 
% 1.01/1.37    orthogonal_through_point( X, skol2 ), skol3 ), apart_point_and_line( 
% 1.01/1.37    skol1, skol3 ) }.
% 1.01/1.37  (2607) {G5,W10,D3,L2,V2,M1} R(2578,2561) { distinct_lines( 
% 1.01/1.37    orthogonal_through_point( X, skol2 ), skol3 ), distinct_lines( 
% 1.01/1.37    parallel_through_point( Y, skol1 ), skol3 ) }.
% 1.01/1.37  (2965) {G6,W10,D3,L2,V2,M1} R(2607,122) { convergent_lines( skol3, 
% 1.01/1.37    parallel_through_point( Y, skol1 ) ), distinct_lines( 
% 1.01/1.37    orthogonal_through_point( X, skol2 ), skol3 ) }.
% 1.01/1.37  (3017) {G7,W10,D3,L2,V2,M1} R(2965,122) { convergent_lines( skol3, 
% 1.01/1.37    orthogonal_through_point( Y, skol2 ) ), convergent_lines( skol3, 
% 1.01/1.37    parallel_through_point( X, skol1 ) ) }.
% 1.01/1.37  (3031) {G9,W5,D3,L1,V1,M1} R(3017,635) { convergent_lines( skol3, 
% 1.01/1.37    orthogonal_through_point( X, skol2 ) ) }.
% 1.01/1.37  (3036) {G10,W8,D3,L2,V2,M2} R(3031,68) { convergent_lines( Y, skol3 ), 
% 1.01/1.37    convergent_lines( orthogonal_through_point( X, skol2 ), Y ) }.
% 1.01/1.37  (3131) {G4,W8,D3,L2,V3,M1} R(160,23);r(180) { convergent_lines( Z, X ), ! 
% 1.01/1.37    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.37  (3155) {G5,W8,D3,L2,V3,M1} R(166,23);r(197) { convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 1.01/1.37  (3162) {G6,W10,D3,L2,V4,M2} R(3155,255) { ! convergent_lines( 
% 1.01/1.37    orthogonal_through_point( Z, T ), X ), convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.37  (3214) {G2,W15,D2,L5,V4,M3} R(167,31) { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    convergent_lines( Y, T ), unorthogonal_lines( Y, Z ), unorthogonal_lines
% 1.01/1.37    ( X, T ), unorthogonal_lines( X, Z ) }.
% 1.01/1.37  (3225) {G3,W9,D2,L3,V3,M2} F(3214);r(17) { ! convergent_lines( X, Y ), 
% 1.01/1.37    unorthogonal_lines( X, Z ), unorthogonal_lines( Y, Z ) }.
% 1.01/1.37  (3279) {G4,W8,D3,L2,V3,M1} R(3225,23) { ! convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 1.01/1.37  (3280) {G4,W8,D3,L2,V3,M1} R(3225,23) { ! convergent_lines( X, 
% 1.01/1.37    orthogonal_through_point( Y, Z ) ), unorthogonal_lines( X, Y ) }.
% 1.01/1.37  (3286) {G5,W7,D3,L1,V3,M1} R(3279,23) { ! convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), orthogonal_through_point( X, Z ) ) }.
% 1.01/1.37  (3288) {G11,W5,D3,L1,V2,M1} R(3286,3036) { convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), skol3 ) }.
% 1.01/1.37  (3497) {G5,W10,D3,L2,V4,M2} R(3280,3131) { convergent_lines( Z, X ), ! 
% 1.01/1.37    convergent_lines( orthogonal_through_point( X, Y ), 
% 1.01/1.37    orthogonal_through_point( Z, T ) ) }.
% 1.01/1.37  (3724) {G7,W9,D4,L1,V2,M1} R(3497,592) { ! convergent_lines( 
% 1.01/1.37    orthogonal_through_point( skol3, X ), orthogonal_through_point( 
% 1.01/1.37    line_connecting( skol1, skol2 ), Y ) ) }.
% 1.01/1.37  (4175) {G12,W0,D0,L0,V0,M0} R(3162,3724);r(3288) {  }.
% 1.01/1.37  
% 1.01/1.37  
% 1.01/1.37  % SZS output end Refutation
% 1.01/1.37  found a proof!
% 1.01/1.37  
% 1.01/1.37  
% 1.01/1.37  Unprocessed initial clauses:
% 1.01/1.37  
% 1.01/1.37  (4177) {G0,W3,D2,L1,V1,M1}  { ! distinct_points( X, X ) }.
% 1.01/1.37  (4178) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 1.01/1.37  (4179) {G0,W3,D2,L1,V1,M1}  { ! convergent_lines( X, X ) }.
% 1.01/1.37  (4180) {G0,W9,D2,L3,V3,M3}  { ! distinct_points( X, Y ), distinct_points( X
% 1.01/1.37    , Z ), distinct_points( Y, Z ) }.
% 1.01/1.37  (4181) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), distinct_lines( X, 
% 1.01/1.37    Z ), distinct_lines( Y, Z ) }.
% 1.01/1.37  (4182) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), convergent_lines
% 1.01/1.37    ( X, Z ), convergent_lines( Y, Z ) }.
% 1.01/1.37  (4183) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 1.01/1.37    apart_point_and_line( X, line_connecting( X, Y ) ) }.
% 1.01/1.37  (4184) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 1.01/1.37    apart_point_and_line( Y, line_connecting( X, Y ) ) }.
% 1.01/1.37  (4185) {G0,W8,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    apart_point_and_line( intersection_point( X, Y ), X ) }.
% 1.01/1.37  (4186) {G0,W8,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    apart_point_and_line( intersection_point( X, Y ), Y ) }.
% 1.01/1.37  (4187) {G0,W18,D2,L6,V4,M6}  { ! distinct_points( X, Y ), ! distinct_lines
% 1.01/1.37    ( Z, T ), apart_point_and_line( X, Z ), apart_point_and_line( X, T ), 
% 1.01/1.37    apart_point_and_line( Y, Z ), apart_point_and_line( Y, T ) }.
% 1.01/1.37  (4188) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 1.01/1.37    distinct_points( X, Z ), apart_point_and_line( Z, Y ) }.
% 1.01/1.37  (4189) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 1.01/1.37    distinct_lines( Y, Z ), apart_point_and_line( X, Z ) }.
% 1.01/1.37  (4190) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), distinct_lines( Y
% 1.01/1.37    , Z ), convergent_lines( X, Z ) }.
% 1.01/1.37  (4191) {G0,W6,D2,L2,V2,M2}  { ! distinct_lines( X, Y ), convergent_lines( X
% 1.01/1.37    , Y ) }.
% 1.01/1.37  (4192) {G0,W5,D3,L1,V2,M1}  { ! convergent_lines( parallel_through_point( Y
% 1.01/1.37    , X ), Y ) }.
% 1.01/1.37  (4193) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 1.01/1.37    parallel_through_point( Y, X ) ) }.
% 1.01/1.37  (4194) {G0,W12,D2,L4,V3,M4}  { ! distinct_lines( X, Y ), 
% 1.01/1.37    apart_point_and_line( Z, X ), apart_point_and_line( Z, Y ), 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  (4195) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), unorthogonal_lines
% 1.01/1.37    ( X, Y ) }.
% 1.01/1.37  (4196) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), alpha1( X, Z ), convergent_lines( Y, Z ) }.
% 1.01/1.37  (4197) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), alpha1( X, Z ), unorthogonal_lines( Y, Z )
% 1.01/1.37     }.
% 1.01/1.37  (4198) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), convergent_lines( X, Y )
% 1.01/1.37     }.
% 1.01/1.37  (4199) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), unorthogonal_lines( X, Y )
% 1.01/1.37     }.
% 1.01/1.37  (4200) {G0,W9,D2,L3,V2,M3}  { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), alpha1( X, Y ) }.
% 1.01/1.37  (4201) {G0,W5,D3,L1,V2,M1}  { ! unorthogonal_lines( 
% 1.01/1.37    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.37  (4202) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 1.01/1.37    orthogonal_through_point( Y, X ) ) }.
% 1.01/1.37  (4203) {G0,W15,D2,L5,V4,M5}  { ! distinct_lines( X, Y ), 
% 1.01/1.37    apart_point_and_line( Z, X ), apart_point_and_line( Z, Y ), 
% 1.01/1.37    unorthogonal_lines( X, T ), unorthogonal_lines( Y, T ) }.
% 1.01/1.37  (4204) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), unorthogonal_lines
% 1.01/1.37    ( X, Y ) }.
% 1.01/1.37  (4205) {G0,W12,D2,L4,V3,M4}  { alpha2( X, Z ), convergent_lines( Z, Y ), ! 
% 1.01/1.37    convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 1.01/1.37  (4206) {G0,W12,D2,L4,V3,M4}  { alpha2( X, Z ), unorthogonal_lines( Z, Y ), 
% 1.01/1.37    ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 1.01/1.37  (4207) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), convergent_lines( Y, X )
% 1.01/1.37     }.
% 1.01/1.37  (4208) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), unorthogonal_lines( Y, X )
% 1.01/1.37     }.
% 1.01/1.37  (4209) {G0,W9,D2,L3,V2,M3}  { ! convergent_lines( Y, X ), ! 
% 1.01/1.37    unorthogonal_lines( Y, X ), alpha2( X, Y ) }.
% 1.01/1.37  (4210) {G0,W9,D2,L3,V3,M3}  { unorthogonal_lines( Z, X ), 
% 1.01/1.37    unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  (4211) {G0,W11,D3,L4,V2,M4}  { ! point( X ), ! point( Y ), ! 
% 1.01/1.37    distinct_points( X, Y ), line( line_connecting( X, Y ) ) }.
% 1.01/1.37  (4212) {G0,W11,D3,L4,V2,M4}  { ! line( X ), ! line( Y ), ! convergent_lines
% 1.01/1.37    ( X, Y ), point( intersection_point( X, Y ) ) }.
% 1.01/1.37  (4213) {G0,W8,D3,L3,V2,M3}  { ! line( X ), ! point( Y ), line( 
% 1.01/1.37    parallel_through_point( X, Y ) ) }.
% 1.01/1.37  (4214) {G0,W8,D3,L3,V2,M3}  { ! line( X ), ! point( Y ), line( 
% 1.01/1.37    orthogonal_through_point( X, Y ) ) }.
% 1.01/1.37  (4215) {G0,W6,D2,L2,V2,M2}  { ! equal_points( X, Y ), ! distinct_points( X
% 1.01/1.37    , Y ) }.
% 1.01/1.37  (4216) {G0,W6,D2,L2,V2,M2}  { distinct_points( X, Y ), equal_points( X, Y )
% 1.01/1.37     }.
% 1.01/1.37  (4217) {G0,W6,D2,L2,V2,M2}  { ! equal_lines( X, Y ), ! distinct_lines( X, Y
% 1.01/1.37     ) }.
% 1.01/1.37  (4218) {G0,W6,D2,L2,V2,M2}  { distinct_lines( X, Y ), equal_lines( X, Y )
% 1.01/1.37     }.
% 1.01/1.37  (4219) {G0,W6,D2,L2,V2,M2}  { ! parallel_lines( X, Y ), ! convergent_lines
% 1.01/1.37    ( X, Y ) }.
% 1.01/1.37  (4220) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), parallel_lines( X, 
% 1.01/1.37    Y ) }.
% 1.01/1.37  (4221) {G0,W6,D2,L2,V2,M2}  { ! incident_point_and_line( X, Y ), ! 
% 1.01/1.37    apart_point_and_line( X, Y ) }.
% 1.01/1.37  (4222) {G0,W6,D2,L2,V2,M2}  { apart_point_and_line( X, Y ), 
% 1.01/1.37    incident_point_and_line( X, Y ) }.
% 1.01/1.37  (4223) {G0,W6,D2,L2,V2,M2}  { ! orthogonal_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ) }.
% 1.01/1.37  (4224) {G0,W6,D2,L2,V2,M2}  { unorthogonal_lines( X, Y ), orthogonal_lines
% 1.01/1.37    ( X, Y ) }.
% 1.01/1.37  (4225) {G0,W3,D2,L1,V0,M1}  { distinct_points( skol1, skol2 ) }.
% 1.01/1.37  (4226) {G0,W3,D2,L1,V0,M1}  { convergent_lines( skol3, skol4 ) }.
% 1.01/1.37  (4227) {G0,W5,D3,L1,V0,M1}  { equal_lines( skol3, line_connecting( skol1, 
% 1.01/1.37    skol2 ) ) }.
% 1.01/1.37  (4228) {G0,W6,D2,L2,V0,M2}  { ! incident_point_and_line( skol1, skol3 ), ! 
% 1.01/1.37    incident_point_and_line( skol2, skol3 ) }.
% 1.01/1.37  
% 1.01/1.37  
% 1.01/1.37  Total Proof:
% 1.01/1.37  
% 1.01/1.37  subsumption: (1) {G0,W3,D2,L1,V1,M1} I { ! distinct_lines( X, X ) }.
% 1.01/1.37  parent0: (4178) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 1.01/1.37  parent0: (4179) {G0,W3,D2,L1,V1,M1}  { ! convergent_lines( X, X ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), 
% 1.01/1.37    distinct_lines( Y, Z ), ! distinct_lines( X, Y ) }.
% 1.01/1.37  parent0: (4181) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), 
% 1.01/1.37    distinct_lines( X, Z ), distinct_lines( Y, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 2
% 1.01/1.37     1 ==> 0
% 1.01/1.37     2 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 1.01/1.37    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  parent0: (4182) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 1.01/1.37    convergent_lines( X, Z ), convergent_lines( Y, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 2
% 1.01/1.37     1 ==> 0
% 1.01/1.37     2 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 1.01/1.37    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 1.01/1.37  parent0: (4189) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 1.01/1.37    distinct_lines( Y, Z ), apart_point_and_line( X, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 2
% 1.01/1.37     1 ==> 0
% 1.01/1.37     2 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (13) {G0,W9,D2,L3,V3,M1} I { ! convergent_lines( X, Y ), 
% 1.01/1.37    convergent_lines( X, Z ), distinct_lines( Y, Z ) }.
% 1.01/1.37  parent0: (4190) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 1.01/1.37    distinct_lines( Y, Z ), convergent_lines( X, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 2
% 1.01/1.37     2 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (14) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 1.01/1.37    distinct_lines( X, Y ) }.
% 1.01/1.37  parent0: (4191) {G0,W6,D2,L2,V2,M2}  { ! distinct_lines( X, Y ), 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 1.01/1.37    parallel_through_point( Y, X ), Y ) }.
% 1.01/1.37  parent0: (4192) {G0,W5,D3,L1,V2,M1}  { ! convergent_lines( 
% 1.01/1.37    parallel_through_point( Y, X ), Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (16) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 1.01/1.37    parallel_through_point( Y, X ) ) }.
% 1.01/1.37  parent0: (4193) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 1.01/1.37    parallel_through_point( Y, X ) ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 1.01/1.37    unorthogonal_lines( X, Y ) }.
% 1.01/1.37  parent0: (4195) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), 
% 1.01/1.37    unorthogonal_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (18) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), convergent_lines( Y, Z ), alpha1( X, Z ) }.
% 1.01/1.37  parent0: (4196) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), alpha1( X, Z ), convergent_lines( Y, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 1
% 1.01/1.37     2 ==> 3
% 1.01/1.37     3 ==> 2
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 1.01/1.37     }.
% 1.01/1.37  parent0: (4197) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), alpha1( X, Z ), unorthogonal_lines( Y, Z )
% 1.01/1.37     }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 1
% 1.01/1.37     2 ==> 3
% 1.01/1.37     3 ==> 2
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 1.01/1.37    alpha1( X, Y ) }.
% 1.01/1.37  parent0: (4198) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), convergent_lines( 
% 1.01/1.37    X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (21) {G0,W6,D2,L2,V2,M1} I { unorthogonal_lines( X, Y ), ! 
% 1.01/1.37    alpha1( X, Y ) }.
% 1.01/1.37  parent0: (4199) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), unorthogonal_lines
% 1.01/1.37    ( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 1.01/1.37    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.37  parent0: (4201) {G0,W5,D3,L1,V2,M1}  { ! unorthogonal_lines( 
% 1.01/1.37    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (24) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 1.01/1.37    orthogonal_through_point( Y, X ) ) }.
% 1.01/1.37  parent0: (4202) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 1.01/1.37    orthogonal_through_point( Y, X ) ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 1.01/1.37    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 1.01/1.37  parent0: (4210) {G0,W9,D2,L3,V3,M3}  { unorthogonal_lines( Z, X ), 
% 1.01/1.37    unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 2
% 1.01/1.37     2 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (38) {G0,W6,D2,L2,V2,M1} I { ! distinct_lines( X, Y ), ! 
% 1.01/1.37    equal_lines( X, Y ) }.
% 1.01/1.37  parent0: (4217) {G0,W6,D2,L2,V2,M2}  { ! equal_lines( X, Y ), ! 
% 1.01/1.37    distinct_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (43) {G0,W6,D2,L2,V2,M1} I { apart_point_and_line( X, Y ), 
% 1.01/1.37    incident_point_and_line( X, Y ) }.
% 1.01/1.37  parent0: (4222) {G0,W6,D2,L2,V2,M2}  { apart_point_and_line( X, Y ), 
% 1.01/1.37    incident_point_and_line( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (48) {G0,W5,D3,L1,V0,M1} I { equal_lines( skol3, 
% 1.01/1.37    line_connecting( skol1, skol2 ) ) }.
% 1.01/1.37  parent0: (4227) {G0,W5,D3,L1,V0,M1}  { equal_lines( skol3, line_connecting
% 1.01/1.37    ( skol1, skol2 ) ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (49) {G0,W6,D2,L2,V0,M1} I { ! incident_point_and_line( skol1
% 1.01/1.37    , skol3 ), ! incident_point_and_line( skol2, skol3 ) }.
% 1.01/1.37  parent0: (4228) {G0,W6,D2,L2,V0,M2}  { ! incident_point_and_line( skol1, 
% 1.01/1.37    skol3 ), ! incident_point_and_line( skol2, skol3 ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4422) {G1,W6,D2,L2,V2,M2}  { distinct_lines( Y, X ), ! 
% 1.01/1.37    distinct_lines( X, Y ) }.
% 1.01/1.37  parent0[0]: (1) {G0,W3,D2,L1,V1,M1} I { ! distinct_lines( X, X ) }.
% 1.01/1.37  parent1[0]: (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), 
% 1.01/1.37    distinct_lines( Y, Z ), ! distinct_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := X
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 1.01/1.37    distinct_lines( X, Y ) }.
% 1.01/1.37  parent0: (4422) {G1,W6,D2,L2,V2,M2}  { distinct_lines( Y, X ), ! 
% 1.01/1.37    distinct_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4425) {G1,W9,D2,L3,V3,M3}  { distinct_lines( Y, X ), 
% 1.01/1.37    distinct_lines( Z, Y ), ! distinct_lines( Z, X ) }.
% 1.01/1.37  parent0[0]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 1.01/1.37    distinct_lines( X, Y ) }.
% 1.01/1.37  parent1[1]: (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), 
% 1.01/1.37    distinct_lines( Y, Z ), ! distinct_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := Z
% 1.01/1.37     Y := X
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (58) {G2,W9,D2,L3,V3,M3} R(56,4) { distinct_lines( Z, X ), ! 
% 1.01/1.37    distinct_lines( Z, Y ), distinct_lines( X, Y ) }.
% 1.01/1.37  parent0: (4425) {G1,W9,D2,L3,V3,M3}  { distinct_lines( Y, X ), 
% 1.01/1.37    distinct_lines( Z, Y ), ! distinct_lines( Z, X ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 2
% 1.01/1.37     1 ==> 0
% 1.01/1.37     2 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4427) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, X ), ! 
% 1.01/1.37    convergent_lines( parallel_through_point( X, Y ), Z ) }.
% 1.01/1.37  parent0[0]: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 1.01/1.37    parallel_through_point( Y, X ), Y ) }.
% 1.01/1.37  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 1.01/1.37    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := parallel_through_point( X, Y )
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := X
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (64) {G1,W8,D3,L2,V3,M2} R(5,15) { ! convergent_lines( 
% 1.01/1.37    parallel_through_point( Y, Z ), X ), convergent_lines( X, Y ) }.
% 1.01/1.37  parent0: (4427) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, X ), ! 
% 1.01/1.37    convergent_lines( parallel_through_point( X, Y ), Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := X
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4430) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, X ), ! 
% 1.01/1.37    convergent_lines( Z, parallel_through_point( X, Y ) ) }.
% 1.01/1.37  parent0[0]: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 1.01/1.37    parallel_through_point( Y, X ), Y ) }.
% 1.01/1.37  parent1[1]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 1.01/1.37    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := Z
% 1.01/1.37     Y := parallel_through_point( X, Y )
% 1.01/1.37     Z := X
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (65) {G1,W8,D3,L2,V3,M2} R(5,15) { ! convergent_lines( X, 
% 1.01/1.37    parallel_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 1.01/1.37  parent0: (4430) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, X ), ! 
% 1.01/1.37    convergent_lines( Z, parallel_through_point( X, Y ) ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := X
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4431) {G1,W6,D2,L2,V2,M2}  { convergent_lines( Y, X ), ! 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  parent0[0]: (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 1.01/1.37  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 1.01/1.37    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := X
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  parent0: (4431) {G1,W6,D2,L2,V2,M2}  { convergent_lines( Y, X ), ! 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4433) {G1,W9,D2,L3,V3,M3}  { convergent_lines( Y, X ), 
% 1.01/1.37    convergent_lines( Z, Y ), ! convergent_lines( X, Z ) }.
% 1.01/1.37  parent0[0]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 1.01/1.37    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (68) {G2,W9,D2,L3,V3,M3} R(67,5) { convergent_lines( Z, X ), !
% 1.01/1.37     convergent_lines( Y, Z ), convergent_lines( X, Y ) }.
% 1.01/1.37  parent0: (4433) {G1,W9,D2,L3,V3,M3}  { convergent_lines( Y, X ), 
% 1.01/1.37    convergent_lines( Z, Y ), ! convergent_lines( X, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 2
% 1.01/1.37     1 ==> 0
% 1.01/1.37     2 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4436) {G1,W5,D3,L1,V0,M1}  { ! distinct_lines( skol3, 
% 1.01/1.37    line_connecting( skol1, skol2 ) ) }.
% 1.01/1.37  parent0[1]: (38) {G0,W6,D2,L2,V2,M1} I { ! distinct_lines( X, Y ), ! 
% 1.01/1.37    equal_lines( X, Y ) }.
% 1.01/1.37  parent1[0]: (48) {G0,W5,D3,L1,V0,M1} I { equal_lines( skol3, 
% 1.01/1.37    line_connecting( skol1, skol2 ) ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := skol3
% 1.01/1.37     Y := line_connecting( skol1, skol2 )
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (75) {G1,W5,D3,L1,V0,M1} R(38,48) { ! distinct_lines( skol3, 
% 1.01/1.37    line_connecting( skol1, skol2 ) ) }.
% 1.01/1.37  parent0: (4436) {G1,W5,D3,L1,V0,M1}  { ! distinct_lines( skol3, 
% 1.01/1.37    line_connecting( skol1, skol2 ) ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4437) {G1,W5,D3,L1,V2,M1}  { convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), X ) }.
% 1.01/1.37  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 1.01/1.37    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.37  parent1[1]: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 1.01/1.37    unorthogonal_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := orthogonal_through_point( X, Y )
% 1.01/1.37     Y := X
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (108) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), X ) }.
% 1.01/1.37  parent0: (4437) {G1,W5,D3,L1,V2,M1}  { convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), X ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4438) {G1,W8,D3,L2,V3,M2}  { convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), Z ), convergent_lines( X, Z ) }.
% 1.01/1.37  parent0[2]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 1.01/1.37    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 1.01/1.37  parent1[0]: (108) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), X ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := orthogonal_through_point( X, Y )
% 1.01/1.37     Y := X
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (110) {G2,W8,D3,L2,V3,M2} R(108,5) { convergent_lines( X, Z )
% 1.01/1.37    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.37  parent0: (4438) {G1,W8,D3,L2,V3,M2}  { convergent_lines( 
% 1.01/1.37    orthogonal_through_point( X, Y ), Z ), convergent_lines( X, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := Z
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4439) {G1,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.37    distinct_lines( Y, X ) }.
% 1.01/1.37  parent0[1]: (14) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 1.01/1.37    distinct_lines( X, Y ) }.
% 1.01/1.37  parent1[1]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 1.01/1.37    distinct_lines( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (122) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y )
% 1.01/1.37    , ! distinct_lines( Y, X ) }.
% 1.01/1.37  parent0: (4439) {G1,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.37    distinct_lines( Y, X ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4440) {G1,W12,D2,L4,V4,M4}  { distinct_lines( X, Y ), 
% 1.01/1.37    apart_point_and_line( Z, Y ), distinct_lines( T, X ), ! 
% 1.01/1.37    apart_point_and_line( Z, T ) }.
% 1.01/1.37  parent0[2]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 1.01/1.37    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 1.01/1.37  parent1[1]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 1.01/1.37    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Z
% 1.01/1.37     Y := X
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := Z
% 1.01/1.37     Y := T
% 1.01/1.37     Z := X
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (132) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 1.01/1.37    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 1.01/1.37    apart_point_and_line( Z, X ) }.
% 1.01/1.37  parent0: (4440) {G1,W12,D2,L4,V4,M4}  { distinct_lines( X, Y ), 
% 1.01/1.37    apart_point_and_line( Z, Y ), distinct_lines( T, X ), ! 
% 1.01/1.37    apart_point_and_line( Z, T ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := T
% 1.01/1.37     Z := Z
% 1.01/1.37     T := X
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 2
% 1.01/1.37     2 ==> 0
% 1.01/1.37     3 ==> 3
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4442) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 1.01/1.37    parallel_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 1.01/1.37  parent0[0]: (16) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 1.01/1.37    parallel_through_point( Y, X ) ) }.
% 1.01/1.37  parent1[1]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 1.01/1.37    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := parallel_through_point( Y, X )
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (142) {G1,W8,D3,L2,V3,M1} R(12,16) { distinct_lines( X, 
% 1.01/1.37    parallel_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.37  parent0: (4442) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 1.01/1.37    parallel_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Z
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := X
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4443) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 1.01/1.37    orthogonal_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 1.01/1.37  parent0[0]: (24) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 1.01/1.37    orthogonal_through_point( Y, X ) ) }.
% 1.01/1.37  parent1[1]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 1.01/1.37    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := orthogonal_through_point( Y, X )
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (143) {G1,W8,D3,L2,V3,M1} R(12,24) { distinct_lines( X, 
% 1.01/1.37    orthogonal_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.37  parent0: (4443) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 1.01/1.37    orthogonal_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Z
% 1.01/1.37     Y := Y
% 1.01/1.37     Z := X
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4445) {G1,W12,D2,L4,V3,M4}  { unorthogonal_lines( X, Y ), ! 
% 1.01/1.37    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), convergent_lines
% 1.01/1.37    ( Z, Y ) }.
% 1.01/1.37  parent0[1]: (21) {G0,W6,D2,L2,V2,M1} I { unorthogonal_lines( X, Y ), ! 
% 1.01/1.37    alpha1( X, Y ) }.
% 1.01/1.37  parent1[3]: (18) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), convergent_lines( Y, Z ), alpha1( X, Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (160) {G1,W12,D2,L4,V3,M2} R(18,21) { ! convergent_lines( X, Y
% 1.01/1.37     ), convergent_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ) }.
% 1.01/1.37  parent0: (4445) {G1,W12,D2,L4,V3,M4}  { unorthogonal_lines( X, Y ), ! 
% 1.01/1.37    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), convergent_lines
% 1.01/1.37    ( Z, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 2
% 1.01/1.37     1 ==> 0
% 1.01/1.37     2 ==> 3
% 1.01/1.37     3 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4447) {G1,W6,D2,L2,V0,M2}  { ! incident_point_and_line( skol1
% 1.01/1.37    , skol3 ), apart_point_and_line( skol2, skol3 ) }.
% 1.01/1.37  parent0[1]: (49) {G0,W6,D2,L2,V0,M1} I { ! incident_point_and_line( skol1, 
% 1.01/1.37    skol3 ), ! incident_point_and_line( skol2, skol3 ) }.
% 1.01/1.37  parent1[1]: (43) {G0,W6,D2,L2,V2,M1} I { apart_point_and_line( X, Y ), 
% 1.01/1.37    incident_point_and_line( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := skol2
% 1.01/1.37     Y := skol3
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (164) {G1,W6,D2,L2,V0,M1} R(49,43) { apart_point_and_line( 
% 1.01/1.37    skol2, skol3 ), ! incident_point_and_line( skol1, skol3 ) }.
% 1.01/1.37  parent0: (4447) {G1,W6,D2,L2,V0,M2}  { ! incident_point_and_line( skol1, 
% 1.01/1.37    skol3 ), apart_point_and_line( skol2, skol3 ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4448) {G1,W6,D2,L2,V0,M2}  { apart_point_and_line( skol2, 
% 1.01/1.37    skol3 ), apart_point_and_line( skol1, skol3 ) }.
% 1.01/1.37  parent0[1]: (164) {G1,W6,D2,L2,V0,M1} R(49,43) { apart_point_and_line( 
% 1.01/1.37    skol2, skol3 ), ! incident_point_and_line( skol1, skol3 ) }.
% 1.01/1.37  parent1[1]: (43) {G0,W6,D2,L2,V2,M1} I { apart_point_and_line( X, Y ), 
% 1.01/1.37    incident_point_and_line( X, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := skol1
% 1.01/1.37     Y := skol3
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (165) {G2,W6,D2,L2,V0,M1} R(164,43) { apart_point_and_line( 
% 1.01/1.37    skol1, skol3 ), apart_point_and_line( skol2, skol3 ) }.
% 1.01/1.37  parent0: (4448) {G1,W6,D2,L2,V0,M2}  { apart_point_and_line( skol2, skol3 )
% 1.01/1.37    , apart_point_and_line( skol1, skol3 ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4450) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), ! 
% 1.01/1.37    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 1.01/1.37    unorthogonal_lines( Z, Y ) }.
% 1.01/1.37  parent0[1]: (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! alpha1
% 1.01/1.37    ( X, Y ) }.
% 1.01/1.37  parent1[3]: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 1.01/1.37     }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (166) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y
% 1.01/1.37     ), convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 1.01/1.37    unorthogonal_lines( Y, Z ) }.
% 1.01/1.37  parent0: (4450) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), ! 
% 1.01/1.37    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 1.01/1.37    unorthogonal_lines( Z, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 1
% 1.01/1.37     1 ==> 0
% 1.01/1.37     2 ==> 2
% 1.01/1.37     3 ==> 3
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4452) {G1,W12,D2,L4,V3,M4}  { unorthogonal_lines( X, Y ), ! 
% 1.01/1.37    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 1.01/1.37    unorthogonal_lines( Z, Y ) }.
% 1.01/1.37  parent0[1]: (21) {G0,W6,D2,L2,V2,M1} I { unorthogonal_lines( X, Y ), ! 
% 1.01/1.37    alpha1( X, Y ) }.
% 1.01/1.37  parent1[3]: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 1.01/1.37     }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Y
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (167) {G1,W12,D2,L4,V3,M3} R(19,21) { ! convergent_lines( X, Y
% 1.01/1.37     ), unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 1.01/1.37    unorthogonal_lines( X, Y ) }.
% 1.01/1.37  parent0: (4452) {G1,W12,D2,L4,V3,M4}  { unorthogonal_lines( X, Y ), ! 
% 1.01/1.37    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 1.01/1.37    unorthogonal_lines( Z, Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 2
% 1.01/1.37     1 ==> 0
% 1.01/1.37     2 ==> 3
% 1.01/1.37     3 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4454) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), 
% 1.01/1.37    convergent_lines( orthogonal_through_point( X, Z ), Y ) }.
% 1.01/1.37  parent0[0]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  parent1[0]: (110) {G2,W8,D3,L2,V3,M2} R(108,5) { convergent_lines( X, Z ), 
% 1.01/1.37    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := Y
% 1.01/1.37     Y := X
% 1.01/1.37  end
% 1.01/1.37  substitution1:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  subsumption: (180) {G3,W8,D3,L2,V3,M2} R(110,67) { convergent_lines( Z, X )
% 1.01/1.37    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.37  parent0: (4454) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), 
% 1.01/1.37    convergent_lines( orthogonal_through_point( X, Z ), Y ) }.
% 1.01/1.37  substitution0:
% 1.01/1.37     X := X
% 1.01/1.37     Y := Z
% 1.01/1.37     Z := Y
% 1.01/1.37  end
% 1.01/1.37  permutation0:
% 1.01/1.37     0 ==> 0
% 1.01/1.37     1 ==> 1
% 1.01/1.37  end
% 1.01/1.37  
% 1.01/1.37  resolution: (4457) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 1.01/1.37    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ) }.
% 1.01/1.37  parent0[0]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 1.01/1.37    convergent_lines( X, Y ) }.
% 1.01/1.37  parent1[1]: (180) {G3,W8,D3,L2,V3,M2} R(110,67) { convergent_lines( Z, X )
% 1.01/1.37    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := orthogonal_through_point( X, Y )
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (197) {G4,W8,D3,L2,V3,M2} R(180,67) { convergent_lines( X, 
% 1.01/1.38    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 1.01/1.38  parent0: (4457) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 1.01/1.38    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4459) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, X ), 
% 1.01/1.38    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 1.01/1.38    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.38  parent1[2]: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := X
% 1.01/1.38     Z := orthogonal_through_point( X, Y )
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (255) {G1,W8,D3,L2,V3,M1} R(31,23) { ! convergent_lines( X, Y
% 1.01/1.38     ), unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 1.01/1.38  parent0: (4459) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, X ), 
% 1.01/1.38    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4461) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), ! 
% 1.01/1.38    convergent_lines( parallel_through_point( Y, Z ), X ) }.
% 1.01/1.38  parent0[0]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 1.01/1.38    convergent_lines( X, Y ) }.
% 1.01/1.38  parent1[1]: (64) {G1,W8,D3,L2,V3,M2} R(5,15) { ! convergent_lines( 
% 1.01/1.38    parallel_through_point( Y, Z ), X ), convergent_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (306) {G2,W8,D3,L2,V3,M2} R(64,67) { convergent_lines( X, Z )
% 1.01/1.38    , ! convergent_lines( parallel_through_point( X, Y ), Z ) }.
% 1.01/1.38  parent0: (4461) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), ! 
% 1.01/1.38    convergent_lines( parallel_through_point( Y, Z ), X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := X
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4462) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    convergent_lines( Y, parallel_through_point( X, Z ) ) }.
% 1.01/1.38  parent0[1]: (306) {G2,W8,D3,L2,V3,M2} R(64,67) { convergent_lines( X, Z ), 
% 1.01/1.38    ! convergent_lines( parallel_through_point( X, Y ), Z ) }.
% 1.01/1.38  parent1[1]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 1.01/1.38    convergent_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := parallel_through_point( X, Z )
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (348) {G3,W8,D3,L2,V3,M2} R(306,67) { ! convergent_lines( Y, 
% 1.01/1.38    parallel_through_point( X, Z ) ), convergent_lines( X, Y ) }.
% 1.01/1.38  parent0: (4462) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    convergent_lines( Y, parallel_through_point( X, Z ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 1
% 1.01/1.38     1 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4463) {G2,W8,D3,L2,V1,M2}  { ! distinct_lines( skol3, X ), 
% 1.01/1.38    distinct_lines( line_connecting( skol1, skol2 ), X ) }.
% 1.01/1.38  parent0[0]: (75) {G1,W5,D3,L1,V0,M1} R(38,48) { ! distinct_lines( skol3, 
% 1.01/1.38    line_connecting( skol1, skol2 ) ) }.
% 1.01/1.38  parent1[0]: (58) {G2,W9,D2,L3,V3,M3} R(56,4) { distinct_lines( Z, X ), ! 
% 1.01/1.38    distinct_lines( Z, Y ), distinct_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := line_connecting( skol1, skol2 )
% 1.01/1.38     Y := X
% 1.01/1.38     Z := skol3
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (572) {G3,W8,D3,L2,V1,M1} R(58,75) { ! distinct_lines( skol3, 
% 1.01/1.38    X ), distinct_lines( line_connecting( skol1, skol2 ), X ) }.
% 1.01/1.38  parent0: (4463) {G2,W8,D3,L2,V1,M2}  { ! distinct_lines( skol3, X ), 
% 1.01/1.38    distinct_lines( line_connecting( skol1, skol2 ), X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4465) {G3,W8,D3,L2,V1,M2}  { convergent_lines( X, 
% 1.01/1.38    line_connecting( skol1, skol2 ) ), ! distinct_lines( skol3, X ) }.
% 1.01/1.38  parent0[1]: (122) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), 
% 1.01/1.38    ! distinct_lines( Y, X ) }.
% 1.01/1.38  parent1[1]: (572) {G3,W8,D3,L2,V1,M1} R(58,75) { ! distinct_lines( skol3, X
% 1.01/1.38     ), distinct_lines( line_connecting( skol1, skol2 ), X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := line_connecting( skol1, skol2 )
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (576) {G4,W8,D3,L2,V1,M1} R(572,122) { convergent_lines( X, 
% 1.01/1.38    line_connecting( skol1, skol2 ) ), ! distinct_lines( skol3, X ) }.
% 1.01/1.38  parent0: (4465) {G3,W8,D3,L2,V1,M2}  { convergent_lines( X, line_connecting
% 1.01/1.38    ( skol1, skol2 ) ), ! distinct_lines( skol3, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4466) {G1,W11,D3,L3,V2,M3}  { convergent_lines( X, 
% 1.01/1.38    line_connecting( skol1, skol2 ) ), ! convergent_lines( Y, skol3 ), 
% 1.01/1.38    convergent_lines( Y, X ) }.
% 1.01/1.38  parent0[1]: (576) {G4,W8,D3,L2,V1,M1} R(572,122) { convergent_lines( X, 
% 1.01/1.38    line_connecting( skol1, skol2 ) ), ! distinct_lines( skol3, X ) }.
% 1.01/1.38  parent1[2]: (13) {G0,W9,D2,L3,V3,M1} I { ! convergent_lines( X, Y ), 
% 1.01/1.38    convergent_lines( X, Z ), distinct_lines( Y, Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := skol3
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (588) {G5,W11,D3,L3,V2,M2} R(576,13) { ! convergent_lines( Y, 
% 1.01/1.38    skol3 ), convergent_lines( Y, X ), convergent_lines( X, line_connecting( 
% 1.01/1.38    skol1, skol2 ) ) }.
% 1.01/1.38  parent0: (4466) {G1,W11,D3,L3,V2,M3}  { convergent_lines( X, 
% 1.01/1.38    line_connecting( skol1, skol2 ) ), ! convergent_lines( Y, skol3 ), 
% 1.01/1.38    convergent_lines( Y, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 2
% 1.01/1.38     1 ==> 0
% 1.01/1.38     2 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  factor: (4468) {G5,W12,D3,L2,V0,M2}  { ! convergent_lines( line_connecting
% 1.01/1.38    ( skol1, skol2 ), skol3 ), convergent_lines( line_connecting( skol1, 
% 1.01/1.38    skol2 ), line_connecting( skol1, skol2 ) ) }.
% 1.01/1.38  parent0[1, 2]: (588) {G5,W11,D3,L3,V2,M2} R(576,13) { ! convergent_lines( Y
% 1.01/1.38    , skol3 ), convergent_lines( Y, X ), convergent_lines( X, line_connecting
% 1.01/1.38    ( skol1, skol2 ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := line_connecting( skol1, skol2 )
% 1.01/1.38     Y := line_connecting( skol1, skol2 )
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4469) {G1,W5,D3,L1,V0,M1}  { ! convergent_lines( 
% 1.01/1.38    line_connecting( skol1, skol2 ), skol3 ) }.
% 1.01/1.38  parent0[0]: (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 1.01/1.38  parent1[1]: (4468) {G5,W12,D3,L2,V0,M2}  { ! convergent_lines( 
% 1.01/1.38    line_connecting( skol1, skol2 ), skol3 ), convergent_lines( 
% 1.01/1.38    line_connecting( skol1, skol2 ), line_connecting( skol1, skol2 ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := line_connecting( skol1, skol2 )
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (592) {G6,W5,D3,L1,V0,M1} F(588);r(2) { ! convergent_lines( 
% 1.01/1.38    line_connecting( skol1, skol2 ), skol3 ) }.
% 1.01/1.38  parent0: (4469) {G1,W5,D3,L1,V0,M1}  { ! convergent_lines( line_connecting
% 1.01/1.38    ( skol1, skol2 ), skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4470) {G4,W7,D4,L1,V1,M1}  { ! convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( line_connecting( skol1, skol2 ), X ) ) }.
% 1.01/1.38  parent0[0]: (592) {G6,W5,D3,L1,V0,M1} F(588);r(2) { ! convergent_lines( 
% 1.01/1.38    line_connecting( skol1, skol2 ), skol3 ) }.
% 1.01/1.38  parent1[1]: (348) {G3,W8,D3,L2,V3,M2} R(306,67) { ! convergent_lines( Y, 
% 1.01/1.38    parallel_through_point( X, Z ) ), convergent_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := line_connecting( skol1, skol2 )
% 1.01/1.38     Y := skol3
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (594) {G7,W7,D4,L1,V1,M1} R(592,348) { ! convergent_lines( 
% 1.01/1.38    skol3, parallel_through_point( line_connecting( skol1, skol2 ), X ) ) }.
% 1.01/1.38  parent0: (4470) {G4,W7,D4,L1,V1,M1}  { ! convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( line_connecting( skol1, skol2 ), X ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4471) {G2,W9,D5,L1,V2,M1}  { ! convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( parallel_through_point( line_connecting( skol1, 
% 1.01/1.38    skol2 ), X ), Y ) ) }.
% 1.01/1.38  parent0[0]: (594) {G7,W7,D4,L1,V1,M1} R(592,348) { ! convergent_lines( 
% 1.01/1.38    skol3, parallel_through_point( line_connecting( skol1, skol2 ), X ) ) }.
% 1.01/1.38  parent1[1]: (65) {G1,W8,D3,L2,V3,M2} R(5,15) { ! convergent_lines( X, 
% 1.01/1.38    parallel_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := skol3
% 1.01/1.38     Y := parallel_through_point( line_connecting( skol1, skol2 ), X )
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (635) {G8,W9,D5,L1,V2,M1} R(594,65) { ! convergent_lines( 
% 1.01/1.38    skol3, parallel_through_point( parallel_through_point( line_connecting( 
% 1.01/1.38    skol1, skol2 ), X ), Y ) ) }.
% 1.01/1.38  parent0: (4471) {G2,W9,D5,L1,V2,M1}  { ! convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( parallel_through_point( line_connecting( skol1, 
% 1.01/1.38    skol2 ), X ), Y ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4472) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 1.01/1.38    orthogonal_through_point( Y, Z ) ), distinct_lines( T, U ), 
% 1.01/1.38    distinct_lines( U, X ), ! apart_point_and_line( Z, T ) }.
% 1.01/1.38  parent0[1]: (143) {G1,W8,D3,L2,V3,M1} R(12,24) { distinct_lines( X, 
% 1.01/1.38    orthogonal_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent1[2]: (132) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 1.01/1.38    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 1.01/1.38    apart_point_and_line( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := T
% 1.01/1.38     Y := U
% 1.01/1.38     Z := Z
% 1.01/1.38     T := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (2552) {G2,W14,D3,L4,V5,M1} R(132,143) { distinct_lines( X, Y
% 1.01/1.38     ), distinct_lines( Y, Z ), distinct_lines( Z, orthogonal_through_point( 
% 1.01/1.38    U, T ) ), ! apart_point_and_line( T, X ) }.
% 1.01/1.38  parent0: (4472) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 1.01/1.38    orthogonal_through_point( Y, Z ) ), distinct_lines( T, U ), 
% 1.01/1.38    distinct_lines( U, X ), ! apart_point_and_line( Z, T ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := U
% 1.01/1.38     Z := T
% 1.01/1.38     T := X
% 1.01/1.38     U := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 2
% 1.01/1.38     1 ==> 0
% 1.01/1.38     2 ==> 1
% 1.01/1.38     3 ==> 3
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4477) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 1.01/1.38    parallel_through_point( Y, Z ) ), distinct_lines( T, U ), distinct_lines
% 1.01/1.38    ( U, X ), ! apart_point_and_line( Z, T ) }.
% 1.01/1.38  parent0[1]: (142) {G1,W8,D3,L2,V3,M1} R(12,16) { distinct_lines( X, 
% 1.01/1.38    parallel_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent1[2]: (132) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 1.01/1.38    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 1.01/1.38    apart_point_and_line( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := T
% 1.01/1.38     Y := U
% 1.01/1.38     Z := Z
% 1.01/1.38     T := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (2553) {G2,W14,D3,L4,V5,M1} R(132,142) { distinct_lines( X, Y
% 1.01/1.38     ), distinct_lines( Y, Z ), distinct_lines( Z, parallel_through_point( U
% 1.01/1.38    , T ) ), ! apart_point_and_line( T, X ) }.
% 1.01/1.38  parent0: (4477) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 1.01/1.38    parallel_through_point( Y, Z ) ), distinct_lines( T, U ), distinct_lines
% 1.01/1.38    ( U, X ), ! apart_point_and_line( Z, T ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := U
% 1.01/1.38     Z := T
% 1.01/1.38     T := X
% 1.01/1.38     U := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 2
% 1.01/1.38     1 ==> 0
% 1.01/1.38     2 ==> 1
% 1.01/1.38     3 ==> 3
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  factor: (4483) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 1.01/1.38    parallel_through_point( Y, Z ) ), distinct_lines( parallel_through_point
% 1.01/1.38    ( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent0[0, 2]: (2553) {G2,W14,D3,L4,V5,M1} R(132,142) { distinct_lines( X, 
% 1.01/1.38    Y ), distinct_lines( Y, Z ), distinct_lines( Z, parallel_through_point( U
% 1.01/1.38    , T ) ), ! apart_point_and_line( T, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := parallel_through_point( Y, Z )
% 1.01/1.38     Z := X
% 1.01/1.38     T := Z
% 1.01/1.38     U := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4489) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 1.01/1.38    parallel_through_point( Y, Z ), X ), distinct_lines( 
% 1.01/1.38    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent0[0]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 1.01/1.38    distinct_lines( X, Y ) }.
% 1.01/1.38  parent1[0]: (4483) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 1.01/1.38    parallel_through_point( Y, Z ) ), distinct_lines( parallel_through_point
% 1.01/1.38    ( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := parallel_through_point( Y, Z )
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  factor: (4491) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 1.01/1.38    parallel_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 1.01/1.38  parent0[0, 1]: (4489) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 1.01/1.38    parallel_through_point( Y, Z ), X ), distinct_lines( 
% 1.01/1.38    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := X
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (2561) {G3,W8,D3,L2,V3,M1} F(2553);r(56) { distinct_lines( 
% 1.01/1.38    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent0: (4491) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 1.01/1.38    parallel_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  factor: (4494) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 1.01/1.38    orthogonal_through_point( Y, Z ) ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent0[0, 2]: (2552) {G2,W14,D3,L4,V5,M1} R(132,143) { distinct_lines( X, 
% 1.01/1.38    Y ), distinct_lines( Y, Z ), distinct_lines( Z, orthogonal_through_point
% 1.01/1.38    ( U, T ) ), ! apart_point_and_line( T, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := orthogonal_through_point( Y, Z )
% 1.01/1.38     Z := X
% 1.01/1.38     T := Z
% 1.01/1.38     U := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4500) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, Z ), X ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent0[0]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 1.01/1.38    distinct_lines( X, Y ) }.
% 1.01/1.38  parent1[0]: (4494) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 1.01/1.38    orthogonal_through_point( Y, Z ) ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := orthogonal_through_point( Y, Z )
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  factor: (4502) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 1.01/1.38  parent0[0, 1]: (4500) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, Z ), X ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := X
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (2562) {G3,W8,D3,L2,V3,M1} F(2552);r(56) { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent0: (4502) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4505) {G3,W8,D3,L2,V1,M2}  { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), skol3 ), apart_point_and_line( 
% 1.01/1.38    skol1, skol3 ) }.
% 1.01/1.38  parent0[1]: (2562) {G3,W8,D3,L2,V3,M1} F(2552);r(56) { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent1[1]: (165) {G2,W6,D2,L2,V0,M1} R(164,43) { apart_point_and_line( 
% 1.01/1.38    skol1, skol3 ), apart_point_and_line( skol2, skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := skol3
% 1.01/1.38     Y := X
% 1.01/1.38     Z := skol2
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (2578) {G4,W8,D3,L2,V1,M1} R(2562,165) { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), skol3 ), apart_point_and_line( 
% 1.01/1.38    skol1, skol3 ) }.
% 1.01/1.38  parent0: (4505) {G3,W8,D3,L2,V1,M2}  { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), skol3 ), apart_point_and_line( 
% 1.01/1.38    skol1, skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4506) {G4,W10,D3,L2,V2,M2}  { distinct_lines( 
% 1.01/1.38    parallel_through_point( X, skol1 ), skol3 ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, skol2 ), skol3 ) }.
% 1.01/1.38  parent0[1]: (2561) {G3,W8,D3,L2,V3,M1} F(2553);r(56) { distinct_lines( 
% 1.01/1.38    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 1.01/1.38  parent1[1]: (2578) {G4,W8,D3,L2,V1,M1} R(2562,165) { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), skol3 ), apart_point_and_line( 
% 1.01/1.38    skol1, skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := skol3
% 1.01/1.38     Y := X
% 1.01/1.38     Z := skol1
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (2607) {G5,W10,D3,L2,V2,M1} R(2578,2561) { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), skol3 ), distinct_lines( 
% 1.01/1.38    parallel_through_point( Y, skol1 ), skol3 ) }.
% 1.01/1.38  parent0: (4506) {G4,W10,D3,L2,V2,M2}  { distinct_lines( 
% 1.01/1.38    parallel_through_point( X, skol1 ), skol3 ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, skol2 ), skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 1
% 1.01/1.38     1 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4508) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( X, skol1 ) ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, skol2 ), skol3 ) }.
% 1.01/1.38  parent0[1]: (122) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), 
% 1.01/1.38    ! distinct_lines( Y, X ) }.
% 1.01/1.38  parent1[1]: (2607) {G5,W10,D3,L2,V2,M1} R(2578,2561) { distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), skol3 ), distinct_lines( 
% 1.01/1.38    parallel_through_point( Y, skol1 ), skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := skol3
% 1.01/1.38     Y := parallel_through_point( X, skol1 )
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (2965) {G6,W10,D3,L2,V2,M1} R(2607,122) { convergent_lines( 
% 1.01/1.38    skol3, parallel_through_point( Y, skol1 ) ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), skol3 ) }.
% 1.01/1.38  parent0: (4508) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( X, skol1 ) ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( Y, skol2 ), skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4509) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol3, 
% 1.01/1.38    orthogonal_through_point( X, skol2 ) ), convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( Y, skol1 ) ) }.
% 1.01/1.38  parent0[1]: (122) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), 
% 1.01/1.38    ! distinct_lines( Y, X ) }.
% 1.01/1.38  parent1[1]: (2965) {G6,W10,D3,L2,V2,M1} R(2607,122) { convergent_lines( 
% 1.01/1.38    skol3, parallel_through_point( Y, skol1 ) ), distinct_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := skol3
% 1.01/1.38     Y := orthogonal_through_point( X, skol2 )
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3017) {G7,W10,D3,L2,V2,M1} R(2965,122) { convergent_lines( 
% 1.01/1.38    skol3, orthogonal_through_point( Y, skol2 ) ), convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( X, skol1 ) ) }.
% 1.01/1.38  parent0: (4509) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol3, 
% 1.01/1.38    orthogonal_through_point( X, skol2 ) ), convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( Y, skol1 ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4510) {G8,W5,D3,L1,V1,M1}  { convergent_lines( skol3, 
% 1.01/1.38    orthogonal_through_point( Y, skol2 ) ) }.
% 1.01/1.38  parent0[0]: (635) {G8,W9,D5,L1,V2,M1} R(594,65) { ! convergent_lines( skol3
% 1.01/1.38    , parallel_through_point( parallel_through_point( line_connecting( skol1
% 1.01/1.38    , skol2 ), X ), Y ) ) }.
% 1.01/1.38  parent1[1]: (3017) {G7,W10,D3,L2,V2,M1} R(2965,122) { convergent_lines( 
% 1.01/1.38    skol3, orthogonal_through_point( Y, skol2 ) ), convergent_lines( skol3, 
% 1.01/1.38    parallel_through_point( X, skol1 ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := skol1
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := parallel_through_point( line_connecting( skol1, skol2 ), X )
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3031) {G9,W5,D3,L1,V1,M1} R(3017,635) { convergent_lines( 
% 1.01/1.38    skol3, orthogonal_through_point( X, skol2 ) ) }.
% 1.01/1.38  parent0: (4510) {G8,W5,D3,L1,V1,M1}  { convergent_lines( skol3, 
% 1.01/1.38    orthogonal_through_point( Y, skol2 ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4511) {G3,W8,D3,L2,V2,M2}  { convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), Y ), convergent_lines( Y, skol3 )
% 1.01/1.38     }.
% 1.01/1.38  parent0[1]: (68) {G2,W9,D2,L3,V3,M3} R(67,5) { convergent_lines( Z, X ), ! 
% 1.01/1.38    convergent_lines( Y, Z ), convergent_lines( X, Y ) }.
% 1.01/1.38  parent1[0]: (3031) {G9,W5,D3,L1,V1,M1} R(3017,635) { convergent_lines( 
% 1.01/1.38    skol3, orthogonal_through_point( X, skol2 ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := skol3
% 1.01/1.38     Z := orthogonal_through_point( X, skol2 )
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3036) {G10,W8,D3,L2,V2,M2} R(3031,68) { convergent_lines( Y, 
% 1.01/1.38    skol3 ), convergent_lines( orthogonal_through_point( X, skol2 ), Y ) }.
% 1.01/1.38  parent0: (4511) {G3,W8,D3,L2,V2,M2}  { convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, skol2 ), Y ), convergent_lines( Y, skol3 )
% 1.01/1.38     }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 1
% 1.01/1.38     1 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4512) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), convergent_lines( Z, X ), ! 
% 1.01/1.38    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 1.01/1.38    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.38  parent1[2]: (160) {G1,W12,D2,L4,V3,M2} R(18,21) { ! convergent_lines( X, Y
% 1.01/1.38     ), convergent_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 1.01/1.38    unorthogonal_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := orthogonal_through_point( X, Y )
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4514) {G2,W11,D3,L3,V3,M3}  { convergent_lines( Z, X ), ! 
% 1.01/1.38    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ), 
% 1.01/1.38    convergent_lines( Z, X ) }.
% 1.01/1.38  parent0[0]: (4512) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), convergent_lines( Z, X ), ! 
% 1.01/1.38    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  parent1[1]: (180) {G3,W8,D3,L2,V3,M2} R(110,67) { convergent_lines( Z, X )
% 1.01/1.38    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  factor: (4515) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 1.01/1.38  parent0[0, 2]: (4514) {G2,W11,D3,L3,V3,M3}  { convergent_lines( Z, X ), ! 
% 1.01/1.38    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ), 
% 1.01/1.38    convergent_lines( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3131) {G4,W8,D3,L2,V3,M1} R(160,23);r(180) { convergent_lines
% 1.01/1.38    ( Z, X ), ! unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  parent0: (4515) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := X
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4516) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( Z, 
% 1.01/1.38    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ), ! 
% 1.01/1.38    unorthogonal_lines( Z, orthogonal_through_point( X, Y ) ) }.
% 1.01/1.38  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 1.01/1.38    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.38  parent1[3]: (166) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y
% 1.01/1.38     ), convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( Y, Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := orthogonal_through_point( X, Y )
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4517) {G2,W11,D3,L3,V3,M3}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ), 
% 1.01/1.38    convergent_lines( X, Y ) }.
% 1.01/1.38  parent0[0]: (4516) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( Z, 
% 1.01/1.38    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ), ! 
% 1.01/1.38    unorthogonal_lines( Z, orthogonal_through_point( X, Y ) ) }.
% 1.01/1.38  parent1[0]: (197) {G4,W8,D3,L2,V3,M2} R(180,67) { convergent_lines( X, 
% 1.01/1.38    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  factor: (4518) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 1.01/1.38  parent0[0, 2]: (4517) {G2,W11,D3,L3,V3,M3}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ), 
% 1.01/1.38    convergent_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3155) {G5,W8,D3,L2,V3,M1} R(166,23);r(197) { convergent_lines
% 1.01/1.38    ( X, Y ), ! unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 1.01/1.38  parent0: (4518) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4519) {G2,W10,D3,L2,V4,M2}  { convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( Z, T ), X ) }.
% 1.01/1.38  parent0[1]: (3155) {G5,W8,D3,L2,V3,M1} R(166,23);r(197) { convergent_lines
% 1.01/1.38    ( X, Y ), ! unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 1.01/1.38  parent1[1]: (255) {G1,W8,D3,L2,V3,M1} R(31,23) { ! convergent_lines( X, Y )
% 1.01/1.38    , unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := orthogonal_through_point( X, Y )
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := T
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := orthogonal_through_point( Z, T )
% 1.01/1.38     Y := X
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3162) {G6,W10,D3,L2,V4,M2} R(3155,255) { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( Z, T ), X ), convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  parent0: (4519) {G2,W10,D3,L2,V4,M2}  { convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( Z, T ), X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38     T := T
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 1
% 1.01/1.38     1 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4520) {G1,W15,D2,L5,V4,M5}  { ! convergent_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 1.01/1.38    convergent_lines( Y, T ), unorthogonal_lines( X, T ) }.
% 1.01/1.38  parent0[3]: (167) {G1,W12,D2,L4,V3,M3} R(19,21) { ! convergent_lines( X, Y
% 1.01/1.38     ), unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 1.01/1.38    unorthogonal_lines( X, Y ) }.
% 1.01/1.38  parent1[1]: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := T
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3214) {G2,W15,D2,L5,V4,M3} R(167,31) { ! convergent_lines( X
% 1.01/1.38    , Y ), ! convergent_lines( Y, T ), unorthogonal_lines( Y, Z ), 
% 1.01/1.38    unorthogonal_lines( X, T ), unorthogonal_lines( X, Z ) }.
% 1.01/1.38  parent0: (4520) {G1,W15,D2,L5,V4,M5}  { ! convergent_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 1.01/1.38    convergent_lines( Y, T ), unorthogonal_lines( X, T ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38     T := T
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 2
% 1.01/1.38     2 ==> 4
% 1.01/1.38     3 ==> 1
% 1.01/1.38     4 ==> 3
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  factor: (4535) {G2,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 1.01/1.38    convergent_lines( Y, Z ), unorthogonal_lines( Y, Z ), unorthogonal_lines
% 1.01/1.38    ( X, Z ) }.
% 1.01/1.38  parent0[3, 4]: (3214) {G2,W15,D2,L5,V4,M3} R(167,31) { ! convergent_lines( 
% 1.01/1.38    X, Y ), ! convergent_lines( Y, T ), unorthogonal_lines( Y, Z ), 
% 1.01/1.38    unorthogonal_lines( X, T ), unorthogonal_lines( X, Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38     T := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4559) {G1,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), 
% 1.01/1.38    unorthogonal_lines( Y, Z ) }.
% 1.01/1.38  parent0[1]: (4535) {G2,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 1.01/1.38    convergent_lines( Y, Z ), unorthogonal_lines( Y, Z ), unorthogonal_lines
% 1.01/1.38    ( X, Z ) }.
% 1.01/1.38  parent1[0]: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  factor: (4563) {G1,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ) }.
% 1.01/1.38  parent0[1, 3]: (4559) {G1,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), 
% 1.01/1.38    unorthogonal_lines( Y, Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3225) {G3,W9,D2,L3,V3,M2} F(3214);r(17) { ! convergent_lines
% 1.01/1.38    ( X, Y ), unorthogonal_lines( X, Z ), unorthogonal_lines( Y, Z ) }.
% 1.01/1.38  parent0: (4563) {G1,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 1.01/1.38    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 2
% 1.01/1.38     2 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4565) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 1.01/1.38  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 1.01/1.38    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.38  parent1[1]: (3225) {G3,W9,D2,L3,V3,M2} F(3214);r(17) { ! convergent_lines( 
% 1.01/1.38    X, Y ), unorthogonal_lines( X, Z ), unorthogonal_lines( Y, Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := orthogonal_through_point( X, Y )
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3279) {G4,W8,D3,L2,V3,M1} R(3225,23) { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 1.01/1.38  parent0: (4565) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38     Z := Z
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4568) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, 
% 1.01/1.38    orthogonal_through_point( X, Y ) ), unorthogonal_lines( Z, X ) }.
% 1.01/1.38  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 1.01/1.38    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.38  parent1[2]: (3225) {G3,W9,D2,L3,V3,M2} F(3214);r(17) { ! convergent_lines( 
% 1.01/1.38    X, Y ), unorthogonal_lines( X, Z ), unorthogonal_lines( Y, Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := orthogonal_through_point( X, Y )
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3280) {G4,W8,D3,L2,V3,M1} R(3225,23) { ! convergent_lines( X
% 1.01/1.38    , orthogonal_through_point( Y, Z ) ), unorthogonal_lines( X, Y ) }.
% 1.01/1.38  parent0: (4568) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, 
% 1.01/1.38    orthogonal_through_point( X, Y ) ), unorthogonal_lines( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4569) {G1,W7,D3,L1,V3,M1}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Z ), orthogonal_through_point( X, Y ) ) }.
% 1.01/1.38  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 1.01/1.38    orthogonal_through_point( Y, X ), Y ) }.
% 1.01/1.38  parent1[1]: (3279) {G4,W8,D3,L2,V3,M1} R(3225,23) { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := orthogonal_through_point( X, Y )
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3286) {G5,W7,D3,L1,V3,M1} R(3279,23) { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), orthogonal_through_point( X, Z ) ) }.
% 1.01/1.38  parent0: (4569) {G1,W7,D3,L1,V3,M1}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Z ), orthogonal_through_point( X, Y ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4570) {G6,W5,D3,L1,V2,M1}  { convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), skol3 ) }.
% 1.01/1.38  parent0[0]: (3286) {G5,W7,D3,L1,V3,M1} R(3279,23) { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), orthogonal_through_point( X, Z ) ) }.
% 1.01/1.38  parent1[1]: (3036) {G10,W8,D3,L2,V2,M2} R(3031,68) { convergent_lines( Y, 
% 1.01/1.38    skol3 ), convergent_lines( orthogonal_through_point( X, skol2 ), Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := skol2
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := X
% 1.01/1.38     Y := orthogonal_through_point( X, Y )
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3288) {G11,W5,D3,L1,V2,M1} R(3286,3036) { convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), skol3 ) }.
% 1.01/1.38  parent0: (4570) {G6,W5,D3,L1,V2,M1}  { convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4572) {G5,W10,D3,L2,V4,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    convergent_lines( orthogonal_through_point( Y, Z ), 
% 1.01/1.38    orthogonal_through_point( X, T ) ) }.
% 1.01/1.38  parent0[1]: (3131) {G4,W8,D3,L2,V3,M1} R(160,23);r(180) { convergent_lines
% 1.01/1.38    ( Z, X ), ! unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  parent1[1]: (3280) {G4,W8,D3,L2,V3,M1} R(3225,23) { ! convergent_lines( X, 
% 1.01/1.38    orthogonal_through_point( Y, Z ) ), unorthogonal_lines( X, Y ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Y
% 1.01/1.38     Y := Z
% 1.01/1.38     Z := X
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := orthogonal_through_point( Y, Z )
% 1.01/1.38     Y := X
% 1.01/1.38     Z := T
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3497) {G5,W10,D3,L2,V4,M2} R(3280,3131) { convergent_lines( Z
% 1.01/1.38    , X ), ! convergent_lines( orthogonal_through_point( X, Y ), 
% 1.01/1.38    orthogonal_through_point( Z, T ) ) }.
% 1.01/1.38  parent0: (4572) {G5,W10,D3,L2,V4,M2}  { convergent_lines( X, Y ), ! 
% 1.01/1.38    convergent_lines( orthogonal_through_point( Y, Z ), 
% 1.01/1.38    orthogonal_through_point( X, T ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := X
% 1.01/1.38     Z := Y
% 1.01/1.38     T := T
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38     1 ==> 1
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4573) {G6,W9,D4,L1,V2,M1}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( skol3, X ), orthogonal_through_point( 
% 1.01/1.38    line_connecting( skol1, skol2 ), Y ) ) }.
% 1.01/1.38  parent0[0]: (592) {G6,W5,D3,L1,V0,M1} F(588);r(2) { ! convergent_lines( 
% 1.01/1.38    line_connecting( skol1, skol2 ), skol3 ) }.
% 1.01/1.38  parent1[0]: (3497) {G5,W10,D3,L2,V4,M2} R(3280,3131) { convergent_lines( Z
% 1.01/1.38    , X ), ! convergent_lines( orthogonal_through_point( X, Y ), 
% 1.01/1.38    orthogonal_through_point( Z, T ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := skol3
% 1.01/1.38     Y := X
% 1.01/1.38     Z := line_connecting( skol1, skol2 )
% 1.01/1.38     T := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (3724) {G7,W9,D4,L1,V2,M1} R(3497,592) { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( skol3, X ), orthogonal_through_point( 
% 1.01/1.38    line_connecting( skol1, skol2 ), Y ) ) }.
% 1.01/1.38  parent0: (4573) {G6,W9,D4,L1,V2,M1}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( skol3, X ), orthogonal_through_point( 
% 1.01/1.38    line_connecting( skol1, skol2 ), Y ) ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38     0 ==> 0
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4574) {G7,W9,D5,L1,V2,M1}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( orthogonal_through_point( line_connecting( 
% 1.01/1.38    skol1, skol2 ), Y ), Z ), skol3 ) }.
% 1.01/1.38  parent0[0]: (3724) {G7,W9,D4,L1,V2,M1} R(3497,592) { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( skol3, X ), orthogonal_through_point( 
% 1.01/1.38    line_connecting( skol1, skol2 ), Y ) ) }.
% 1.01/1.38  parent1[1]: (3162) {G6,W10,D3,L2,V4,M2} R(3155,255) { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( Z, T ), X ), convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), Z ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := X
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := skol3
% 1.01/1.38     Y := X
% 1.01/1.38     Z := orthogonal_through_point( line_connecting( skol1, skol2 ), Y )
% 1.01/1.38     T := Z
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  resolution: (4575) {G8,W0,D0,L0,V0,M0}  {  }.
% 1.01/1.38  parent0[0]: (4574) {G7,W9,D5,L1,V2,M1}  { ! convergent_lines( 
% 1.01/1.38    orthogonal_through_point( orthogonal_through_point( line_connecting( 
% 1.01/1.38    skol1, skol2 ), Y ), Z ), skol3 ) }.
% 1.01/1.38  parent1[0]: (3288) {G11,W5,D3,L1,V2,M1} R(3286,3036) { convergent_lines( 
% 1.01/1.38    orthogonal_through_point( X, Y ), skol3 ) }.
% 1.01/1.38  substitution0:
% 1.01/1.38     X := Z
% 1.01/1.38     Y := X
% 1.01/1.38     Z := Y
% 1.01/1.38  end
% 1.01/1.38  substitution1:
% 1.01/1.38     X := orthogonal_through_point( line_connecting( skol1, skol2 ), X )
% 1.01/1.38     Y := Y
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  subsumption: (4175) {G12,W0,D0,L0,V0,M0} R(3162,3724);r(3288) {  }.
% 1.01/1.38  parent0: (4575) {G8,W0,D0,L0,V0,M0}  {  }.
% 1.01/1.38  substitution0:
% 1.01/1.38  end
% 1.01/1.38  permutation0:
% 1.01/1.38  end
% 1.01/1.38  
% 1.01/1.38  Proof check complete!
% 1.01/1.38  
% 1.01/1.38  Memory use:
% 1.01/1.38  
% 1.01/1.38  space for terms:        55623
% 1.01/1.38  space for clauses:      171542
% 1.01/1.38  
% 1.01/1.38  
% 1.01/1.38  clauses generated:      23219
% 1.01/1.38  clauses kept:           4176
% 1.01/1.38  clauses selected:       509
% 1.01/1.38  clauses deleted:        45
% 1.01/1.38  clauses inuse deleted:  31
% 1.01/1.38  
% 1.01/1.38  subsentry:          367679
% 1.01/1.38  literals s-matched: 135635
% 1.01/1.38  literals matched:   135285
% 1.01/1.38  full subsumption:   80480
% 1.01/1.38  
% 1.01/1.38  checksum:           1234226589
% 1.01/1.38  
% 1.01/1.38  
% 1.01/1.38  Bliksem ended
%------------------------------------------------------------------------------