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Bliksem---1.12.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GEO185+3 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n032.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 02:52:25 EDT 2022

% Result   : Theorem 0.72s 1.08s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.09  % Problem  : GEO185+3 : TPTP v8.1.0. Released v4.0.0.
% 0.02/0.09  % Command  : bliksem %s
% 0.10/0.28  % Computer : n032.cluster.edu
% 0.10/0.28  % Model    : x86_64 x86_64
% 0.10/0.28  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.28  % Memory   : 8042.1875MB
% 0.10/0.28  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.28  % CPULimit : 300
% 0.10/0.28  % DateTime : Sat Jun 18 17:13:47 EDT 2022
% 0.10/0.28  % CPUTime  : 
% 0.72/1.08  *** allocated 10000 integers for termspace/termends
% 0.72/1.08  *** allocated 10000 integers for clauses
% 0.72/1.08  *** allocated 10000 integers for justifications
% 0.72/1.08  Bliksem 1.12
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Automatic Strategy Selection
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Clauses:
% 0.72/1.08  
% 0.72/1.08  { ! distinct_points( X, X ) }.
% 0.72/1.08  { ! distinct_lines( X, X ) }.
% 0.72/1.08  { ! convergent_lines( X, X ) }.
% 0.72/1.08  { ! distinct_points( X, Y ), distinct_points( X, Z ), distinct_points( Y, Z
% 0.72/1.08     ) }.
% 0.72/1.08  { ! distinct_lines( X, Y ), distinct_lines( X, Z ), distinct_lines( Y, Z )
% 0.72/1.08     }.
% 0.72/1.08  { ! convergent_lines( X, Y ), convergent_lines( X, Z ), convergent_lines( Y
% 0.72/1.08    , Z ) }.
% 0.72/1.08  { ! distinct_points( X, Y ), ! apart_point_and_line( X, line_connecting( X
% 0.72/1.08    , Y ) ) }.
% 0.72/1.08  { ! distinct_points( X, Y ), ! apart_point_and_line( Y, line_connecting( X
% 0.72/1.08    , Y ) ) }.
% 0.72/1.08  { ! convergent_lines( X, Y ), ! apart_point_and_line( intersection_point( X
% 0.72/1.08    , Y ), X ) }.
% 0.72/1.08  { ! convergent_lines( X, Y ), ! apart_point_and_line( intersection_point( X
% 0.72/1.08    , Y ), Y ) }.
% 0.72/1.08  { ! distinct_points( X, Y ), ! distinct_lines( Z, T ), apart_point_and_line
% 0.72/1.08    ( X, Z ), apart_point_and_line( X, T ), apart_point_and_line( Y, Z ), 
% 0.72/1.08    apart_point_and_line( Y, T ) }.
% 0.72/1.08  { ! apart_point_and_line( X, Y ), distinct_points( X, Z ), 
% 0.72/1.08    apart_point_and_line( Z, Y ) }.
% 0.72/1.08  { ! apart_point_and_line( X, Y ), distinct_lines( Y, Z ), 
% 0.72/1.08    apart_point_and_line( X, Z ) }.
% 0.72/1.08  { ! convergent_lines( X, Y ), distinct_lines( Y, Z ), convergent_lines( X, 
% 0.72/1.08    Z ) }.
% 0.72/1.08  { ! distinct_lines( X, Y ), convergent_lines( X, Y ) }.
% 0.72/1.08  { ! convergent_lines( parallel_through_point( Y, X ), Y ) }.
% 0.72/1.08  { ! apart_point_and_line( X, parallel_through_point( Y, X ) ) }.
% 0.72/1.08  { ! distinct_lines( X, Y ), apart_point_and_line( Z, X ), 
% 0.72/1.08    apart_point_and_line( Z, Y ), convergent_lines( X, Y ) }.
% 0.72/1.08  { convergent_lines( X, Y ), unorthogonal_lines( X, Y ) }.
% 0.72/1.08  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Z )
% 0.72/1.08    , convergent_lines( Y, Z ) }.
% 0.72/1.08  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Z )
% 0.72/1.08    , unorthogonal_lines( Y, Z ) }.
% 0.72/1.08  { ! alpha1( X, Y ), convergent_lines( X, Y ) }.
% 0.72/1.08  { ! alpha1( X, Y ), unorthogonal_lines( X, Y ) }.
% 0.72/1.08  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Y )
% 0.72/1.08     }.
% 0.72/1.08  { ! unorthogonal_lines( orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.08  { ! apart_point_and_line( X, orthogonal_through_point( Y, X ) ) }.
% 0.72/1.08  { ! distinct_lines( X, Y ), apart_point_and_line( Z, X ), 
% 0.72/1.08    apart_point_and_line( Z, Y ), unorthogonal_lines( X, T ), 
% 0.72/1.08    unorthogonal_lines( Y, T ) }.
% 0.72/1.08  { convergent_lines( X, Y ), unorthogonal_lines( X, Y ) }.
% 0.72/1.08  { alpha2( X, Z ), convergent_lines( Z, Y ), ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ) }.
% 0.72/1.08  { alpha2( X, Z ), unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ), !
% 0.72/1.08     unorthogonal_lines( X, Y ) }.
% 0.72/1.08  { ! alpha2( X, Y ), convergent_lines( Y, X ) }.
% 0.72/1.08  { ! alpha2( X, Y ), unorthogonal_lines( Y, X ) }.
% 0.72/1.08  { ! convergent_lines( Y, X ), ! unorthogonal_lines( Y, X ), alpha2( X, Y )
% 0.72/1.08     }.
% 0.72/1.08  { unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ), ! 
% 0.72/1.08    convergent_lines( X, Y ) }.
% 0.72/1.08  { ! point( X ), ! point( Y ), ! distinct_points( X, Y ), line( 
% 0.72/1.08    line_connecting( X, Y ) ) }.
% 0.72/1.08  { ! line( X ), ! line( Y ), ! convergent_lines( X, Y ), point( 
% 0.72/1.08    intersection_point( X, Y ) ) }.
% 0.72/1.08  { ! line( X ), ! point( Y ), line( parallel_through_point( X, Y ) ) }.
% 0.72/1.08  { ! line( X ), ! point( Y ), line( orthogonal_through_point( X, Y ) ) }.
% 0.72/1.08  { ! equal_points( X, Y ), ! distinct_points( X, Y ) }.
% 0.72/1.08  { distinct_points( X, Y ), equal_points( X, Y ) }.
% 0.72/1.08  { ! equal_lines( X, Y ), ! distinct_lines( X, Y ) }.
% 0.72/1.08  { distinct_lines( X, Y ), equal_lines( X, Y ) }.
% 0.72/1.08  { ! parallel_lines( X, Y ), ! convergent_lines( X, Y ) }.
% 0.72/1.08  { convergent_lines( X, Y ), parallel_lines( X, Y ) }.
% 0.72/1.08  { ! incident_point_and_line( X, Y ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.08  { apart_point_and_line( X, Y ), incident_point_and_line( X, Y ) }.
% 0.72/1.08  { ! orthogonal_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 0.72/1.08  { unorthogonal_lines( X, Y ), orthogonal_lines( X, Y ) }.
% 0.72/1.08  { distinct_points( skol1, skol4 ) }.
% 0.72/1.08  { convergent_lines( skol2, skol3 ) }.
% 0.72/1.08  { equal_points( skol1, intersection_point( skol2, skol3 ) ) }.
% 0.72/1.08  { ! incident_point_and_line( skol1, skol2 ), ! incident_point_and_line( 
% 0.72/1.08    skol1, skol3 ) }.
% 0.72/1.08  
% 0.72/1.08  percentage equality = 0.000000, percentage horn = 0.620000
% 0.72/1.08  This a non-horn, non-equality problem
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Options Used:
% 0.72/1.08  
% 0.72/1.08  useres =            1
% 0.72/1.08  useparamod =        0
% 0.72/1.08  useeqrefl =         0
% 0.72/1.08  useeqfact =         0
% 0.72/1.08  usefactor =         1
% 0.72/1.08  usesimpsplitting =  0
% 0.72/1.08  usesimpdemod =      0
% 0.72/1.08  usesimpres =        3
% 0.72/1.08  
% 0.72/1.08  resimpinuse      =  1000
% 0.72/1.08  resimpclauses =     20000
% 0.72/1.08  substype =          standard
% 0.72/1.08  backwardsubs =      1
% 0.72/1.08  selectoldest =      5
% 0.72/1.08  
% 0.72/1.08  litorderings [0] =  split
% 0.72/1.08  litorderings [1] =  liftord
% 0.72/1.08  
% 0.72/1.08  termordering =      none
% 0.72/1.08  
% 0.72/1.08  litapriori =        1
% 0.72/1.08  termapriori =       0
% 0.72/1.08  litaposteriori =    0
% 0.72/1.08  termaposteriori =   0
% 0.72/1.08  demodaposteriori =  0
% 0.72/1.08  ordereqreflfact =   0
% 0.72/1.08  
% 0.72/1.08  litselect =         none
% 0.72/1.08  
% 0.72/1.08  maxweight =         15
% 0.72/1.08  maxdepth =          30000
% 0.72/1.08  maxlength =         115
% 0.72/1.08  maxnrvars =         195
% 0.72/1.08  excuselevel =       1
% 0.72/1.08  increasemaxweight = 1
% 0.72/1.08  
% 0.72/1.08  maxselected =       10000000
% 0.72/1.08  maxnrclauses =      10000000
% 0.72/1.08  
% 0.72/1.08  showgenerated =    0
% 0.72/1.08  showkept =         0
% 0.72/1.08  showselected =     0
% 0.72/1.08  showdeleted =      0
% 0.72/1.08  showresimp =       1
% 0.72/1.08  showstatus =       2000
% 0.72/1.08  
% 0.72/1.08  prologoutput =     0
% 0.72/1.08  nrgoals =          5000000
% 0.72/1.08  totalproof =       1
% 0.72/1.08  
% 0.72/1.08  Symbols occurring in the translation:
% 0.72/1.08  
% 0.72/1.08  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.08  .  [1, 2]      (w:1, o:27, a:1, s:1, b:0), 
% 0.72/1.08  !  [4, 1]      (w:0, o:20, a:1, s:1, b:0), 
% 0.72/1.08  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.08  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.08  distinct_points  [36, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.72/1.08  distinct_lines  [37, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.72/1.08  convergent_lines  [38, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.72/1.08  line_connecting  [41, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.72/1.08  apart_point_and_line  [42, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 0.72/1.08  intersection_point  [43, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 0.72/1.08  parallel_through_point  [46, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 0.72/1.08  unorthogonal_lines  [49, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 0.72/1.08  orthogonal_through_point  [52, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 0.72/1.08  point  [54, 1]      (w:1, o:25, a:1, s:1, b:0), 
% 0.72/1.08  line  [55, 1]      (w:1, o:26, a:1, s:1, b:0), 
% 0.72/1.08  equal_points  [56, 2]      (w:1, o:61, a:1, s:1, b:0), 
% 0.72/1.08  equal_lines  [57, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 0.72/1.08  parallel_lines  [58, 2]      (w:1, o:63, a:1, s:1, b:0), 
% 0.72/1.08  incident_point_and_line  [59, 2]      (w:1, o:64, a:1, s:1, b:0), 
% 0.72/1.08  orthogonal_lines  [60, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 0.72/1.08  alpha1  [61, 2]      (w:1, o:65, a:1, s:1, b:0), 
% 0.72/1.08  alpha2  [62, 2]      (w:1, o:66, a:1, s:1, b:0), 
% 0.72/1.08  skol1  [63, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 0.72/1.08  skol2  [64, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 0.72/1.08  skol3  [65, 0]      (w:1, o:18, a:1, s:1, b:0), 
% 0.72/1.08  skol4  [66, 0]      (w:1, o:19, a:1, s:1, b:0).
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Starting Search:
% 0.72/1.08  
% 0.72/1.08  *** allocated 15000 integers for clauses
% 0.72/1.08  *** allocated 22500 integers for clauses
% 0.72/1.08  *** allocated 33750 integers for clauses
% 0.72/1.08  *** allocated 15000 integers for termspace/termends
% 0.72/1.08  *** allocated 50625 integers for clauses
% 0.72/1.08  Resimplifying inuse:
% 0.72/1.08  Done
% 0.72/1.08  
% 0.72/1.08  *** allocated 22500 integers for termspace/termends
% 0.72/1.08  *** allocated 75937 integers for clauses
% 0.72/1.08  *** allocated 33750 integers for termspace/termends
% 0.72/1.08  *** allocated 113905 integers for clauses
% 0.72/1.08  
% 0.72/1.08  Intermediate Status:
% 0.72/1.08  Generated:    10607
% 0.72/1.08  Kept:         2077
% 0.72/1.08  Inuse:        328
% 0.72/1.08  Deleted:      1
% 0.72/1.08  Deletedinuse: 0
% 0.72/1.08  
% 0.72/1.08  Resimplifying inuse:
% 0.72/1.08  Done
% 0.72/1.08  
% 0.72/1.08  *** allocated 50625 integers for termspace/termends
% 0.72/1.08  *** allocated 170857 integers for clauses
% 0.72/1.08  Resimplifying inuse:
% 0.72/1.08  Done
% 0.72/1.08  
% 0.72/1.08  *** allocated 75937 integers for termspace/termends
% 0.72/1.08  
% 0.72/1.08  Bliksems!, er is een bewijs:
% 0.72/1.08  % SZS status Theorem
% 0.72/1.08  % SZS output start Refutation
% 0.72/1.08  
% 0.72/1.08  (1) {G0,W3,D2,L1,V1,M1} I { ! distinct_lines( X, X ) }.
% 0.72/1.08  (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 0.72/1.08  (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), distinct_lines( Y, Z )
% 0.72/1.08    , ! distinct_lines( X, Y ) }.
% 0.72/1.08  (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), convergent_lines( Y, 
% 0.72/1.08    Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.08  (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), apart_point_and_line( 
% 0.72/1.08    X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.08  (14) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! distinct_lines( X
% 0.72/1.08    , Y ) }.
% 0.72/1.08  (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( parallel_through_point( Y
% 0.72/1.08    , X ), Y ) }.
% 0.72/1.08  (16) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.08    parallel_through_point( Y, X ) ) }.
% 0.72/1.08  (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), unorthogonal_lines( 
% 0.72/1.08    X, Y ) }.
% 0.72/1.08  (18) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ), convergent_lines( Y, Z ), alpha1( X, Z ) }.
% 0.72/1.08  (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 0.72/1.08     }.
% 0.72/1.08  (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! alpha1( X, Y ) }.
% 0.72/1.08  (21) {G0,W6,D2,L2,V2,M1} I { unorthogonal_lines( X, Y ), ! alpha1( X, Y )
% 0.72/1.08     }.
% 0.72/1.08  (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( orthogonal_through_point
% 0.72/1.08    ( Y, X ), Y ) }.
% 0.72/1.08  (24) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.08    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.08  (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), unorthogonal_lines
% 0.72/1.08    ( Z, X ), unorthogonal_lines( Z, Y ) }.
% 0.72/1.08  (43) {G0,W6,D2,L2,V2,M1} I { apart_point_and_line( X, Y ), 
% 0.72/1.08    incident_point_and_line( X, Y ) }.
% 0.72/1.08  (49) {G0,W6,D2,L2,V0,M1} I { ! incident_point_and_line( skol1, skol2 ), ! 
% 0.72/1.08    incident_point_and_line( skol1, skol3 ) }.
% 0.72/1.08  (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), distinct_lines
% 0.72/1.08    ( X, Y ) }.
% 0.72/1.08  (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.08    convergent_lines( X, Y ) }.
% 0.72/1.08  (68) {G2,W9,D2,L3,V3,M3} R(67,5) { convergent_lines( Z, X ), ! 
% 0.72/1.08    convergent_lines( Y, Z ), convergent_lines( X, Y ) }.
% 0.72/1.08  (70) {G2,W5,D3,L1,V2,M1} R(67,15) { ! convergent_lines( X, 
% 0.72/1.08    parallel_through_point( X, Y ) ) }.
% 0.72/1.08  (72) {G3,W8,D3,L2,V3,M2} R(70,5) { ! convergent_lines( Y, X ), 
% 0.72/1.08    convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.08  (108) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 0.72/1.08    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.08  (110) {G2,W8,D3,L2,V3,M2} R(108,5) { convergent_lines( X, Z ), 
% 0.72/1.08    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.08  (122) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), ! 
% 0.72/1.08    distinct_lines( Y, X ) }.
% 0.72/1.08  (132) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 0.72/1.08    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 0.72/1.08    apart_point_and_line( Z, X ) }.
% 0.72/1.08  (142) {G1,W8,D3,L2,V3,M1} R(12,16) { distinct_lines( X, 
% 0.72/1.08    parallel_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.08  (143) {G1,W8,D3,L2,V3,M1} R(12,24) { distinct_lines( X, 
% 0.72/1.08    orthogonal_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.08  (159) {G1,W12,D2,L4,V3,M2} R(18,21) { ! convergent_lines( X, Y ), 
% 0.72/1.08    convergent_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ) }.
% 0.72/1.08  (165) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y ), 
% 0.72/1.08    convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 0.72/1.08    unorthogonal_lines( Y, Z ) }.
% 0.72/1.08  (166) {G1,W12,D2,L4,V3,M3} R(19,21) { ! convergent_lines( X, Y ), 
% 0.72/1.08    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ) }.
% 0.72/1.08  (167) {G1,W6,D2,L2,V0,M1} R(49,43) { apart_point_and_line( skol1, skol3 ), 
% 0.72/1.08    ! incident_point_and_line( skol1, skol2 ) }.
% 0.72/1.08  (168) {G2,W6,D2,L2,V0,M1} R(167,43) { apart_point_and_line( skol1, skol2 )
% 0.72/1.08    , apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.08  (190) {G3,W8,D3,L2,V3,M2} R(110,67) { convergent_lines( Z, X ), 
% 0.72/1.08    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.08  (203) {G4,W8,D3,L2,V3,M2} R(190,67) { convergent_lines( X, 
% 0.72/1.08    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 0.72/1.08  (236) {G4,W7,D4,L1,V3,M1} R(72,15) { ! convergent_lines( X, 
% 0.72/1.08    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.08  (246) {G5,W7,D4,L1,V3,M1} R(236,67) { ! convergent_lines( 
% 0.72/1.08    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.08  (249) {G6,W9,D5,L1,V4,M1} R(246,72) { ! convergent_lines( X, 
% 0.72/1.08    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.08    , Y ), Z ), T ) ) }.
% 0.72/1.08  (257) {G1,W8,D3,L2,V3,M1} R(31,23) { ! convergent_lines( X, Y ), 
% 0.72/1.08    unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 0.72/1.08  (2371) {G2,W14,D3,L4,V5,M1} R(132,143) { distinct_lines( X, Y ), 
% 0.72/1.08    distinct_lines( Y, Z ), distinct_lines( Z, orthogonal_through_point( U, T
% 0.72/1.08     ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.08  (2372) {G2,W14,D3,L4,V5,M1} R(132,142) { distinct_lines( X, Y ), 
% 0.72/1.08    distinct_lines( Y, Z ), distinct_lines( Z, parallel_through_point( U, T )
% 0.72/1.08     ), ! apart_point_and_line( T, X ) }.
% 0.72/1.08  (2380) {G3,W8,D3,L2,V3,M1} F(2372);r(56) { distinct_lines( 
% 0.72/1.08    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.08  (2381) {G3,W8,D3,L2,V3,M1} F(2371);r(56) { distinct_lines( 
% 0.72/1.08    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.08  (2402) {G4,W8,D3,L2,V1,M1} R(2381,168) { distinct_lines( 
% 0.72/1.08    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.08    skol1, skol2 ) }.
% 0.72/1.08  (2437) {G5,W10,D3,L2,V2,M1} R(2402,2380) { distinct_lines( 
% 0.72/1.08    parallel_through_point( Y, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.08    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.08  (2840) {G6,W10,D3,L2,V2,M1} R(2437,122) { convergent_lines( skol3, 
% 0.72/1.08    orthogonal_through_point( Y, skol1 ) ), distinct_lines( 
% 0.72/1.08    parallel_through_point( X, skol1 ), skol2 ) }.
% 0.72/1.08  (2858) {G7,W10,D3,L2,V2,M1} R(2840,122) { convergent_lines( skol3, 
% 0.72/1.08    orthogonal_through_point( X, skol1 ) ), convergent_lines( skol2, 
% 0.72/1.08    parallel_through_point( Y, skol1 ) ) }.
% 0.72/1.08  (2868) {G8,W5,D3,L1,V1,M1} R(2858,249) { convergent_lines( skol3, 
% 0.72/1.08    orthogonal_through_point( X, skol1 ) ) }.
% 0.72/1.08  (2873) {G9,W8,D3,L2,V2,M2} R(2868,68) { convergent_lines( Y, skol3 ), 
% 0.72/1.08    convergent_lines( orthogonal_through_point( X, skol1 ), Y ) }.
% 0.72/1.08  (3021) {G4,W8,D3,L2,V3,M1} R(159,23);r(190) { convergent_lines( Z, X ), ! 
% 0.72/1.08    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.08  (3044) {G5,W8,D3,L2,V3,M1} R(165,23);r(203) { convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.08  (3051) {G6,W10,D3,L2,V4,M2} R(3044,257) { ! convergent_lines( 
% 0.72/1.08    orthogonal_through_point( Z, T ), X ), convergent_lines( 
% 0.72/1.08    orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.08  (3068) {G2,W15,D2,L5,V4,M3} R(166,31) { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    convergent_lines( Y, T ), unorthogonal_lines( Y, Z ), unorthogonal_lines
% 0.72/1.08    ( X, T ), unorthogonal_lines( X, Z ) }.
% 0.72/1.08  (3079) {G3,W9,D2,L3,V3,M2} F(3068);r(17) { ! convergent_lines( X, Y ), 
% 0.72/1.08    unorthogonal_lines( X, Z ), unorthogonal_lines( Y, Z ) }.
% 0.72/1.08  (3092) {G4,W8,D3,L2,V3,M1} R(3079,23) { ! convergent_lines( 
% 0.72/1.08    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 0.72/1.08  (3093) {G4,W8,D3,L2,V3,M1} R(3079,23) { ! convergent_lines( X, 
% 0.72/1.08    orthogonal_through_point( Y, Z ) ), unorthogonal_lines( X, Y ) }.
% 0.72/1.08  (3138) {G5,W7,D3,L1,V3,M1} R(3092,23) { ! convergent_lines( 
% 0.72/1.08    orthogonal_through_point( X, Y ), orthogonal_through_point( X, Z ) ) }.
% 0.72/1.08  (3140) {G10,W5,D3,L1,V2,M1} R(3138,2873) { convergent_lines( 
% 0.72/1.08    orthogonal_through_point( X, Y ), skol3 ) }.
% 0.72/1.08  (3353) {G5,W10,D3,L2,V4,M2} R(3093,3021) { convergent_lines( Z, X ), ! 
% 0.72/1.08    convergent_lines( orthogonal_through_point( X, Y ), 
% 0.72/1.08    orthogonal_through_point( Z, T ) ) }.
% 0.72/1.08  (3499) {G6,W9,D4,L1,V4,M1} R(3353,15) { ! convergent_lines( 
% 0.72/1.08    orthogonal_through_point( X, Y ), orthogonal_through_point( 
% 0.72/1.08    parallel_through_point( X, Z ), T ) ) }.
% 0.72/1.08  (3849) {G11,W5,D3,L1,V2,M1} R(3051,3140) { convergent_lines( 
% 0.72/1.08    orthogonal_through_point( skol3, X ), Y ) }.
% 0.72/1.08  (3908) {G12,W0,D0,L0,V0,M0} R(3849,3499) {  }.
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  % SZS output end Refutation
% 0.72/1.08  found a proof!
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Unprocessed initial clauses:
% 0.72/1.08  
% 0.72/1.08  (3910) {G0,W3,D2,L1,V1,M1}  { ! distinct_points( X, X ) }.
% 0.72/1.08  (3911) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 0.72/1.08  (3912) {G0,W3,D2,L1,V1,M1}  { ! convergent_lines( X, X ) }.
% 0.72/1.08  (3913) {G0,W9,D2,L3,V3,M3}  { ! distinct_points( X, Y ), distinct_points( X
% 0.72/1.08    , Z ), distinct_points( Y, Z ) }.
% 0.72/1.08  (3914) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), distinct_lines( X, 
% 0.72/1.08    Z ), distinct_lines( Y, Z ) }.
% 0.72/1.08  (3915) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), convergent_lines
% 0.72/1.08    ( X, Z ), convergent_lines( Y, Z ) }.
% 0.72/1.08  (3916) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.72/1.08    apart_point_and_line( X, line_connecting( X, Y ) ) }.
% 0.72/1.08  (3917) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.72/1.08    apart_point_and_line( Y, line_connecting( X, Y ) ) }.
% 0.72/1.08  (3918) {G0,W8,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    apart_point_and_line( intersection_point( X, Y ), X ) }.
% 0.72/1.08  (3919) {G0,W8,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    apart_point_and_line( intersection_point( X, Y ), Y ) }.
% 0.72/1.08  (3920) {G0,W18,D2,L6,V4,M6}  { ! distinct_points( X, Y ), ! distinct_lines
% 0.72/1.08    ( Z, T ), apart_point_and_line( X, Z ), apart_point_and_line( X, T ), 
% 0.72/1.08    apart_point_and_line( Y, Z ), apart_point_and_line( Y, T ) }.
% 0.72/1.08  (3921) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 0.72/1.08    distinct_points( X, Z ), apart_point_and_line( Z, Y ) }.
% 0.72/1.08  (3922) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 0.72/1.08    distinct_lines( Y, Z ), apart_point_and_line( X, Z ) }.
% 0.72/1.08  (3923) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), distinct_lines( Y
% 0.72/1.08    , Z ), convergent_lines( X, Z ) }.
% 0.72/1.08  (3924) {G0,W6,D2,L2,V2,M2}  { ! distinct_lines( X, Y ), convergent_lines( X
% 0.72/1.08    , Y ) }.
% 0.72/1.08  (3925) {G0,W5,D3,L1,V2,M1}  { ! convergent_lines( parallel_through_point( Y
% 0.72/1.08    , X ), Y ) }.
% 0.72/1.08  (3926) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.08    parallel_through_point( Y, X ) ) }.
% 0.72/1.08  (3927) {G0,W12,D2,L4,V3,M4}  { ! distinct_lines( X, Y ), 
% 0.72/1.08    apart_point_and_line( Z, X ), apart_point_and_line( Z, Y ), 
% 0.72/1.08    convergent_lines( X, Y ) }.
% 0.72/1.08  (3928) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), unorthogonal_lines
% 0.72/1.08    ( X, Y ) }.
% 0.72/1.08  (3929) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ), alpha1( X, Z ), convergent_lines( Y, Z ) }.
% 0.72/1.08  (3930) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ), alpha1( X, Z ), unorthogonal_lines( Y, Z )
% 0.72/1.08     }.
% 0.72/1.08  (3931) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), convergent_lines( X, Y )
% 0.72/1.08     }.
% 0.72/1.08  (3932) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), unorthogonal_lines( X, Y )
% 0.72/1.08     }.
% 0.72/1.08  (3933) {G0,W9,D2,L3,V2,M3}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ), alpha1( X, Y ) }.
% 0.72/1.08  (3934) {G0,W5,D3,L1,V2,M1}  { ! unorthogonal_lines( 
% 0.72/1.08    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.08  (3935) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.08    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.08  (3936) {G0,W15,D2,L5,V4,M5}  { ! distinct_lines( X, Y ), 
% 0.72/1.08    apart_point_and_line( Z, X ), apart_point_and_line( Z, Y ), 
% 0.72/1.08    unorthogonal_lines( X, T ), unorthogonal_lines( Y, T ) }.
% 0.72/1.08  (3937) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), unorthogonal_lines
% 0.72/1.08    ( X, Y ) }.
% 0.72/1.08  (3938) {G0,W12,D2,L4,V3,M4}  { alpha2( X, Z ), convergent_lines( Z, Y ), ! 
% 0.72/1.08    convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 0.72/1.08  (3939) {G0,W12,D2,L4,V3,M4}  { alpha2( X, Z ), unorthogonal_lines( Z, Y ), 
% 0.72/1.08    ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 0.72/1.08  (3940) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), convergent_lines( Y, X )
% 0.72/1.08     }.
% 0.72/1.08  (3941) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), unorthogonal_lines( Y, X )
% 0.72/1.08     }.
% 0.72/1.08  (3942) {G0,W9,D2,L3,V2,M3}  { ! convergent_lines( Y, X ), ! 
% 0.72/1.08    unorthogonal_lines( Y, X ), alpha2( X, Y ) }.
% 0.72/1.08  (3943) {G0,W9,D2,L3,V3,M3}  { unorthogonal_lines( Z, X ), 
% 0.72/1.08    unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ) }.
% 0.72/1.08  (3944) {G0,W11,D3,L4,V2,M4}  { ! point( X ), ! point( Y ), ! 
% 0.72/1.08    distinct_points( X, Y ), line( line_connecting( X, Y ) ) }.
% 0.72/1.08  (3945) {G0,W11,D3,L4,V2,M4}  { ! line( X ), ! line( Y ), ! convergent_lines
% 0.72/1.08    ( X, Y ), point( intersection_point( X, Y ) ) }.
% 0.72/1.08  (3946) {G0,W8,D3,L3,V2,M3}  { ! line( X ), ! point( Y ), line( 
% 0.72/1.08    parallel_through_point( X, Y ) ) }.
% 0.72/1.08  (3947) {G0,W8,D3,L3,V2,M3}  { ! line( X ), ! point( Y ), line( 
% 0.72/1.08    orthogonal_through_point( X, Y ) ) }.
% 0.72/1.08  (3948) {G0,W6,D2,L2,V2,M2}  { ! equal_points( X, Y ), ! distinct_points( X
% 0.72/1.08    , Y ) }.
% 0.72/1.08  (3949) {G0,W6,D2,L2,V2,M2}  { distinct_points( X, Y ), equal_points( X, Y )
% 0.72/1.08     }.
% 0.72/1.08  (3950) {G0,W6,D2,L2,V2,M2}  { ! equal_lines( X, Y ), ! distinct_lines( X, Y
% 0.72/1.08     ) }.
% 0.72/1.08  (3951) {G0,W6,D2,L2,V2,M2}  { distinct_lines( X, Y ), equal_lines( X, Y )
% 0.72/1.08     }.
% 0.72/1.08  (3952) {G0,W6,D2,L2,V2,M2}  { ! parallel_lines( X, Y ), ! convergent_lines
% 0.72/1.08    ( X, Y ) }.
% 0.72/1.08  (3953) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), parallel_lines( X, 
% 0.72/1.08    Y ) }.
% 0.72/1.08  (3954) {G0,W6,D2,L2,V2,M2}  { ! incident_point_and_line( X, Y ), ! 
% 0.72/1.08    apart_point_and_line( X, Y ) }.
% 0.72/1.08  (3955) {G0,W6,D2,L2,V2,M2}  { apart_point_and_line( X, Y ), 
% 0.72/1.08    incident_point_and_line( X, Y ) }.
% 0.72/1.08  (3956) {G0,W6,D2,L2,V2,M2}  { ! orthogonal_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ) }.
% 0.72/1.08  (3957) {G0,W6,D2,L2,V2,M2}  { unorthogonal_lines( X, Y ), orthogonal_lines
% 0.72/1.08    ( X, Y ) }.
% 0.72/1.08  (3958) {G0,W3,D2,L1,V0,M1}  { distinct_points( skol1, skol4 ) }.
% 0.72/1.08  (3959) {G0,W3,D2,L1,V0,M1}  { convergent_lines( skol2, skol3 ) }.
% 0.72/1.08  (3960) {G0,W5,D3,L1,V0,M1}  { equal_points( skol1, intersection_point( 
% 0.72/1.08    skol2, skol3 ) ) }.
% 0.72/1.08  (3961) {G0,W6,D2,L2,V0,M2}  { ! incident_point_and_line( skol1, skol2 ), ! 
% 0.72/1.08    incident_point_and_line( skol1, skol3 ) }.
% 0.72/1.08  
% 0.72/1.08  
% 0.72/1.08  Total Proof:
% 0.72/1.08  
% 0.72/1.08  subsumption: (1) {G0,W3,D2,L1,V1,M1} I { ! distinct_lines( X, X ) }.
% 0.72/1.08  parent0: (3911) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 0.72/1.08  parent0: (3912) {G0,W3,D2,L1,V1,M1}  { ! convergent_lines( X, X ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), 
% 0.72/1.08    distinct_lines( Y, Z ), ! distinct_lines( X, Y ) }.
% 0.72/1.08  parent0: (3914) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), 
% 0.72/1.08    distinct_lines( X, Z ), distinct_lines( Y, Z ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08     Z := Z
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 2
% 0.72/1.08     1 ==> 0
% 0.72/1.08     2 ==> 1
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 0.72/1.08    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.08  parent0: (3915) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 0.72/1.08    convergent_lines( X, Z ), convergent_lines( Y, Z ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08     Z := Z
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 2
% 0.72/1.08     1 ==> 0
% 0.72/1.08     2 ==> 1
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.08    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.08  parent0: (3922) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 0.72/1.08    distinct_lines( Y, Z ), apart_point_and_line( X, Z ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08     Z := Z
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 2
% 0.72/1.08     1 ==> 0
% 0.72/1.08     2 ==> 1
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (14) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 0.72/1.08    distinct_lines( X, Y ) }.
% 0.72/1.08  parent0: (3924) {G0,W6,D2,L2,V2,M2}  { ! distinct_lines( X, Y ), 
% 0.72/1.08    convergent_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 1
% 0.72/1.08     1 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 0.72/1.08    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.08  parent0: (3925) {G0,W5,D3,L1,V2,M1}  { ! convergent_lines( 
% 0.72/1.08    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (16) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.08    parallel_through_point( Y, X ) ) }.
% 0.72/1.08  parent0: (3926) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.08    parallel_through_point( Y, X ) ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 0.72/1.08    unorthogonal_lines( X, Y ) }.
% 0.72/1.08  parent0: (3928) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), 
% 0.72/1.08    unorthogonal_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08     1 ==> 1
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (18) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ), convergent_lines( Y, Z ), alpha1( X, Z ) }.
% 0.72/1.08  parent0: (3929) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ), alpha1( X, Z ), convergent_lines( Y, Z ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08     Z := Z
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08     1 ==> 1
% 0.72/1.08     2 ==> 3
% 0.72/1.08     3 ==> 2
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 0.72/1.08     }.
% 0.72/1.08  parent0: (3930) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.08    unorthogonal_lines( X, Y ), alpha1( X, Z ), unorthogonal_lines( Y, Z )
% 0.72/1.08     }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08     Z := Z
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08     1 ==> 1
% 0.72/1.08     2 ==> 3
% 0.72/1.08     3 ==> 2
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 0.72/1.08    alpha1( X, Y ) }.
% 0.72/1.08  parent0: (3931) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), convergent_lines( 
% 0.72/1.08    X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 1
% 0.72/1.08     1 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (21) {G0,W6,D2,L2,V2,M1} I { unorthogonal_lines( X, Y ), ! 
% 0.72/1.08    alpha1( X, Y ) }.
% 0.72/1.08  parent0: (3932) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), unorthogonal_lines
% 0.72/1.08    ( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 1
% 0.72/1.08     1 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.08    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.08  parent0: (3934) {G0,W5,D3,L1,V2,M1}  { ! unorthogonal_lines( 
% 0.72/1.08    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (24) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.08    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.08  parent0: (3935) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.08    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 0.72/1.08    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 0.72/1.08  parent0: (3943) {G0,W9,D2,L3,V3,M3}  { unorthogonal_lines( Z, X ), 
% 0.72/1.08    unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08     Z := Z
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 1
% 0.72/1.08     1 ==> 2
% 0.72/1.08     2 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (43) {G0,W6,D2,L2,V2,M1} I { apart_point_and_line( X, Y ), 
% 0.72/1.08    incident_point_and_line( X, Y ) }.
% 0.72/1.08  parent0: (3955) {G0,W6,D2,L2,V2,M2}  { apart_point_and_line( X, Y ), 
% 0.72/1.08    incident_point_and_line( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08     1 ==> 1
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (49) {G0,W6,D2,L2,V0,M1} I { ! incident_point_and_line( skol1
% 0.72/1.08    , skol2 ), ! incident_point_and_line( skol1, skol3 ) }.
% 0.72/1.08  parent0: (3961) {G0,W6,D2,L2,V0,M2}  { ! incident_point_and_line( skol1, 
% 0.72/1.08    skol2 ), ! incident_point_and_line( skol1, skol3 ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08     1 ==> 1
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  resolution: (4116) {G1,W6,D2,L2,V2,M2}  { distinct_lines( Y, X ), ! 
% 0.72/1.08    distinct_lines( X, Y ) }.
% 0.72/1.08  parent0[0]: (1) {G0,W3,D2,L1,V1,M1} I { ! distinct_lines( X, X ) }.
% 0.72/1.08  parent1[0]: (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), 
% 0.72/1.08    distinct_lines( Y, Z ), ! distinct_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08  end
% 0.72/1.08  substitution1:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08     Z := X
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 0.72/1.08    distinct_lines( X, Y ) }.
% 0.72/1.08  parent0: (4116) {G1,W6,D2,L2,V2,M2}  { distinct_lines( Y, X ), ! 
% 0.72/1.08    distinct_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := Y
% 0.72/1.08     Y := X
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 1
% 0.72/1.08     1 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  resolution: (4118) {G1,W6,D2,L2,V2,M2}  { convergent_lines( Y, X ), ! 
% 0.72/1.08    convergent_lines( X, Y ) }.
% 0.72/1.08  parent0[0]: (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 0.72/1.08  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 0.72/1.08    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08  end
% 0.72/1.08  substitution1:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08     Z := X
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.08    convergent_lines( X, Y ) }.
% 0.72/1.08  parent0: (4118) {G1,W6,D2,L2,V2,M2}  { convergent_lines( Y, X ), ! 
% 0.72/1.08    convergent_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := Y
% 0.72/1.08     Y := X
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 1
% 0.72/1.08     1 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  resolution: (4120) {G1,W9,D2,L3,V3,M3}  { convergent_lines( Y, X ), 
% 0.72/1.08    convergent_lines( Z, Y ), ! convergent_lines( X, Z ) }.
% 0.72/1.08  parent0[0]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.08    convergent_lines( X, Y ) }.
% 0.72/1.08  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 0.72/1.08    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := Y
% 0.72/1.08     Y := X
% 0.72/1.08  end
% 0.72/1.08  substitution1:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Z
% 0.72/1.08     Z := Y
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (68) {G2,W9,D2,L3,V3,M3} R(67,5) { convergent_lines( Z, X ), !
% 0.72/1.08     convergent_lines( Y, Z ), convergent_lines( X, Y ) }.
% 0.72/1.08  parent0: (4120) {G1,W9,D2,L3,V3,M3}  { convergent_lines( Y, X ), 
% 0.72/1.08    convergent_lines( Z, Y ), ! convergent_lines( X, Z ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := Y
% 0.72/1.08     Y := X
% 0.72/1.08     Z := Z
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 2
% 0.72/1.08     1 ==> 0
% 0.72/1.08     2 ==> 1
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  resolution: (4123) {G1,W5,D3,L1,V2,M1}  { ! convergent_lines( X, 
% 0.72/1.08    parallel_through_point( X, Y ) ) }.
% 0.72/1.08  parent0[0]: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 0.72/1.08    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.08  parent1[1]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.08    convergent_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := Y
% 0.72/1.08     Y := X
% 0.72/1.08  end
% 0.72/1.08  substitution1:
% 0.72/1.08     X := parallel_through_point( X, Y )
% 0.72/1.08     Y := X
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (70) {G2,W5,D3,L1,V2,M1} R(67,15) { ! convergent_lines( X, 
% 0.72/1.08    parallel_through_point( X, Y ) ) }.
% 0.72/1.08  parent0: (4123) {G1,W5,D3,L1,V2,M1}  { ! convergent_lines( X, 
% 0.72/1.08    parallel_through_point( X, Y ) ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  resolution: (4124) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 0.72/1.08    parallel_through_point( X, Y ) ), ! convergent_lines( X, Z ) }.
% 0.72/1.08  parent0[0]: (70) {G2,W5,D3,L1,V2,M1} R(67,15) { ! convergent_lines( X, 
% 0.72/1.08    parallel_through_point( X, Y ) ) }.
% 0.72/1.08  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 0.72/1.08    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  substitution1:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Z
% 0.72/1.08     Z := parallel_through_point( X, Y )
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (72) {G3,W8,D3,L2,V3,M2} R(70,5) { ! convergent_lines( Y, X )
% 0.72/1.08    , convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.08  parent0: (4124) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 0.72/1.08    parallel_through_point( X, Y ) ), ! convergent_lines( X, Z ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := Y
% 0.72/1.08     Y := Z
% 0.72/1.08     Z := X
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 1
% 0.72/1.08     1 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  resolution: (4126) {G1,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.08    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.08  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.08    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.08  parent1[1]: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 0.72/1.08    unorthogonal_lines( X, Y ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := Y
% 0.72/1.08     Y := X
% 0.72/1.08  end
% 0.72/1.08  substitution1:
% 0.72/1.08     X := orthogonal_through_point( X, Y )
% 0.72/1.08     Y := X
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  subsumption: (108) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 0.72/1.08    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.08  parent0: (4126) {G1,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.08    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.08  substitution0:
% 0.72/1.08     X := X
% 0.72/1.08     Y := Y
% 0.72/1.08  end
% 0.72/1.08  permutation0:
% 0.72/1.08     0 ==> 0
% 0.72/1.08  end
% 0.72/1.08  
% 0.72/1.08  resolution: (4127) {G1,W8,D3,L2,V3,M2}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), convergent_lines( X, Z ) }.
% 0.72/1.09  parent0[2]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 0.72/1.09    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.09  parent1[0]: (108) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := orthogonal_through_point( X, Y )
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (110) {G2,W8,D3,L2,V3,M2} R(108,5) { convergent_lines( X, Z )
% 0.72/1.09    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  parent0: (4127) {G1,W8,D3,L2,V3,M2}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), convergent_lines( X, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 1
% 0.72/1.09     1 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4128) {G1,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    distinct_lines( Y, X ) }.
% 0.72/1.09  parent0[1]: (14) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 0.72/1.09    distinct_lines( X, Y ) }.
% 0.72/1.09  parent1[1]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 0.72/1.09    distinct_lines( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (122) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y )
% 0.72/1.09    , ! distinct_lines( Y, X ) }.
% 0.72/1.09  parent0: (4128) {G1,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    distinct_lines( Y, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4129) {G1,W12,D2,L4,V4,M4}  { distinct_lines( X, Y ), 
% 0.72/1.09    apart_point_and_line( Z, Y ), distinct_lines( T, X ), ! 
% 0.72/1.09    apart_point_and_line( Z, T ) }.
% 0.72/1.09  parent0[2]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.09    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.09  parent1[1]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.09    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := T
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (132) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 0.72/1.09    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 0.72/1.09    apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent0: (4129) {G1,W12,D2,L4,V4,M4}  { distinct_lines( X, Y ), 
% 0.72/1.09    apart_point_and_line( Z, Y ), distinct_lines( T, X ), ! 
% 0.72/1.09    apart_point_and_line( Z, T ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := T
% 0.72/1.09     Z := Z
% 0.72/1.09     T := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 1
% 0.72/1.09     1 ==> 2
% 0.72/1.09     2 ==> 0
% 0.72/1.09     3 ==> 3
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4131) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 0.72/1.09    parallel_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 0.72/1.09  parent0[0]: (16) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.09    parallel_through_point( Y, X ) ) }.
% 0.72/1.09  parent1[1]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.09    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := parallel_through_point( Y, X )
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (142) {G1,W8,D3,L2,V3,M1} R(12,16) { distinct_lines( X, 
% 0.72/1.09    parallel_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent0: (4131) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 0.72/1.09    parallel_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4132) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 0.72/1.09    orthogonal_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 0.72/1.09  parent0[0]: (24) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.09    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.09  parent1[1]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.09    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := orthogonal_through_point( Y, X )
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (143) {G1,W8,D3,L2,V3,M1} R(12,24) { distinct_lines( X, 
% 0.72/1.09    orthogonal_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent0: (4132) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 0.72/1.09    orthogonal_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4134) {G1,W12,D2,L4,V3,M4}  { unorthogonal_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), convergent_lines
% 0.72/1.09    ( Z, Y ) }.
% 0.72/1.09  parent0[1]: (21) {G0,W6,D2,L2,V2,M1} I { unorthogonal_lines( X, Y ), ! 
% 0.72/1.09    alpha1( X, Y ) }.
% 0.72/1.09  parent1[3]: (18) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.09    unorthogonal_lines( X, Y ), convergent_lines( Y, Z ), alpha1( X, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (159) {G1,W12,D2,L4,V3,M2} R(18,21) { ! convergent_lines( X, Y
% 0.72/1.09     ), convergent_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 0.72/1.09    unorthogonal_lines( X, Y ) }.
% 0.72/1.09  parent0: (4134) {G1,W12,D2,L4,V3,M4}  { unorthogonal_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), convergent_lines
% 0.72/1.09    ( Z, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 2
% 0.72/1.09     1 ==> 0
% 0.72/1.09     2 ==> 3
% 0.72/1.09     3 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4136) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 0.72/1.09    unorthogonal_lines( Z, Y ) }.
% 0.72/1.09  parent0[1]: (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! alpha1
% 0.72/1.09    ( X, Y ) }.
% 0.72/1.09  parent1[3]: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.09    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 0.72/1.09     }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (165) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y
% 0.72/1.09     ), convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ) }.
% 0.72/1.09  parent0: (4136) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 0.72/1.09    unorthogonal_lines( Z, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 1
% 0.72/1.09     1 ==> 0
% 0.72/1.09     2 ==> 2
% 0.72/1.09     3 ==> 3
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4138) {G1,W12,D2,L4,V3,M4}  { unorthogonal_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 0.72/1.09    unorthogonal_lines( Z, Y ) }.
% 0.72/1.09  parent0[1]: (21) {G0,W6,D2,L2,V2,M1} I { unorthogonal_lines( X, Y ), ! 
% 0.72/1.09    alpha1( X, Y ) }.
% 0.72/1.09  parent1[3]: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.09    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 0.72/1.09     }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (166) {G1,W12,D2,L4,V3,M3} R(19,21) { ! convergent_lines( X, Y
% 0.72/1.09     ), unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 0.72/1.09    unorthogonal_lines( X, Y ) }.
% 0.72/1.09  parent0: (4138) {G1,W12,D2,L4,V3,M4}  { unorthogonal_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 0.72/1.09    unorthogonal_lines( Z, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 2
% 0.72/1.09     1 ==> 0
% 0.72/1.09     2 ==> 3
% 0.72/1.09     3 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4141) {G1,W6,D2,L2,V0,M2}  { ! incident_point_and_line( skol1
% 0.72/1.09    , skol2 ), apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.09  parent0[1]: (49) {G0,W6,D2,L2,V0,M1} I { ! incident_point_and_line( skol1, 
% 0.72/1.09    skol2 ), ! incident_point_and_line( skol1, skol3 ) }.
% 0.72/1.09  parent1[1]: (43) {G0,W6,D2,L2,V2,M1} I { apart_point_and_line( X, Y ), 
% 0.72/1.09    incident_point_and_line( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := skol1
% 0.72/1.09     Y := skol3
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (167) {G1,W6,D2,L2,V0,M1} R(49,43) { apart_point_and_line( 
% 0.72/1.09    skol1, skol3 ), ! incident_point_and_line( skol1, skol2 ) }.
% 0.72/1.09  parent0: (4141) {G1,W6,D2,L2,V0,M2}  { ! incident_point_and_line( skol1, 
% 0.72/1.09    skol2 ), apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 1
% 0.72/1.09     1 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4142) {G1,W6,D2,L2,V0,M2}  { apart_point_and_line( skol1, 
% 0.72/1.09    skol3 ), apart_point_and_line( skol1, skol2 ) }.
% 0.72/1.09  parent0[1]: (167) {G1,W6,D2,L2,V0,M1} R(49,43) { apart_point_and_line( 
% 0.72/1.09    skol1, skol3 ), ! incident_point_and_line( skol1, skol2 ) }.
% 0.72/1.09  parent1[1]: (43) {G0,W6,D2,L2,V2,M1} I { apart_point_and_line( X, Y ), 
% 0.72/1.09    incident_point_and_line( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := skol1
% 0.72/1.09     Y := skol2
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (168) {G2,W6,D2,L2,V0,M1} R(167,43) { apart_point_and_line( 
% 0.72/1.09    skol1, skol2 ), apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.09  parent0: (4142) {G1,W6,D2,L2,V0,M2}  { apart_point_and_line( skol1, skol3 )
% 0.72/1.09    , apart_point_and_line( skol1, skol2 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 1
% 0.72/1.09     1 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4143) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), 
% 0.72/1.09    convergent_lines( orthogonal_through_point( X, Z ), Y ) }.
% 0.72/1.09  parent0[0]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.09    convergent_lines( X, Y ) }.
% 0.72/1.09  parent1[0]: (110) {G2,W8,D3,L2,V3,M2} R(108,5) { convergent_lines( X, Z ), 
% 0.72/1.09    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (190) {G3,W8,D3,L2,V3,M2} R(110,67) { convergent_lines( Z, X )
% 0.72/1.09    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  parent0: (4143) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), 
% 0.72/1.09    convergent_lines( orthogonal_through_point( X, Z ), Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4146) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 0.72/1.09    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ) }.
% 0.72/1.09  parent0[0]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.09    convergent_lines( X, Y ) }.
% 0.72/1.09  parent1[1]: (190) {G3,W8,D3,L2,V3,M2} R(110,67) { convergent_lines( Z, X )
% 0.72/1.09    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := orthogonal_through_point( X, Y )
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (203) {G4,W8,D3,L2,V3,M2} R(190,67) { convergent_lines( X, 
% 0.72/1.09    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 0.72/1.09  parent0: (4146) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 0.72/1.09    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4147) {G1,W7,D4,L1,V3,M1}  { ! convergent_lines( X, 
% 0.72/1.09    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.09  parent0[0]: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 0.72/1.09    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.09  parent1[1]: (72) {G3,W8,D3,L2,V3,M2} R(70,5) { ! convergent_lines( Y, X ), 
% 0.72/1.09    convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := parallel_through_point( X, Y )
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := parallel_through_point( parallel_through_point( X, Y ), Z )
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (236) {G4,W7,D4,L1,V3,M1} R(72,15) { ! convergent_lines( X, 
% 0.72/1.09    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.09  parent0: (4147) {G1,W7,D4,L1,V3,M1}  { ! convergent_lines( X, 
% 0.72/1.09    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4148) {G2,W7,D4,L1,V3,M1}  { ! convergent_lines( 
% 0.72/1.09    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.09  parent0[0]: (236) {G4,W7,D4,L1,V3,M1} R(72,15) { ! convergent_lines( X, 
% 0.72/1.09    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.09  parent1[1]: (67) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.09    convergent_lines( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := parallel_through_point( parallel_through_point( X, Y ), Z )
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (246) {G5,W7,D4,L1,V3,M1} R(236,67) { ! convergent_lines( 
% 0.72/1.09    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.09  parent0: (4148) {G2,W7,D4,L1,V3,M1}  { ! convergent_lines( 
% 0.72/1.09    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4149) {G4,W9,D5,L1,V4,M1}  { ! convergent_lines( X, 
% 0.72/1.09    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.09    , Y ), Z ), T ) ) }.
% 0.72/1.09  parent0[0]: (246) {G5,W7,D4,L1,V3,M1} R(236,67) { ! convergent_lines( 
% 0.72/1.09    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.09  parent1[1]: (72) {G3,W8,D3,L2,V3,M2} R(70,5) { ! convergent_lines( Y, X ), 
% 0.72/1.09    convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := parallel_through_point( X, Y )
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := T
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := parallel_through_point( parallel_through_point( 
% 0.72/1.09    parallel_through_point( X, Y ), Z ), T )
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (249) {G6,W9,D5,L1,V4,M1} R(246,72) { ! convergent_lines( X, 
% 0.72/1.09    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.09    , Y ), Z ), T ) ) }.
% 0.72/1.09  parent0: (4149) {G4,W9,D5,L1,V4,M1}  { ! convergent_lines( X, 
% 0.72/1.09    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.09    , Y ), Z ), T ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09     T := T
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4151) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, X ), 
% 0.72/1.09    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.09    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.09  parent1[2]: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := X
% 0.72/1.09     Z := orthogonal_through_point( X, Y )
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (257) {G1,W8,D3,L2,V3,M1} R(31,23) { ! convergent_lines( X, Y
% 0.72/1.09     ), unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 0.72/1.09  parent0: (4151) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, X ), 
% 0.72/1.09    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4152) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 0.72/1.09    orthogonal_through_point( Y, Z ) ), distinct_lines( T, U ), 
% 0.72/1.09    distinct_lines( U, X ), ! apart_point_and_line( Z, T ) }.
% 0.72/1.09  parent0[1]: (143) {G1,W8,D3,L2,V3,M1} R(12,24) { distinct_lines( X, 
% 0.72/1.09    orthogonal_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent1[2]: (132) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 0.72/1.09    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 0.72/1.09    apart_point_and_line( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := T
% 0.72/1.09     Y := U
% 0.72/1.09     Z := Z
% 0.72/1.09     T := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2371) {G2,W14,D3,L4,V5,M1} R(132,143) { distinct_lines( X, Y
% 0.72/1.09     ), distinct_lines( Y, Z ), distinct_lines( Z, orthogonal_through_point( 
% 0.72/1.09    U, T ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.09  parent0: (4152) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 0.72/1.09    orthogonal_through_point( Y, Z ) ), distinct_lines( T, U ), 
% 0.72/1.09    distinct_lines( U, X ), ! apart_point_and_line( Z, T ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := U
% 0.72/1.09     Z := T
% 0.72/1.09     T := X
% 0.72/1.09     U := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 2
% 0.72/1.09     1 ==> 0
% 0.72/1.09     2 ==> 1
% 0.72/1.09     3 ==> 3
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4157) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 0.72/1.09    parallel_through_point( Y, Z ) ), distinct_lines( T, U ), distinct_lines
% 0.72/1.09    ( U, X ), ! apart_point_and_line( Z, T ) }.
% 0.72/1.09  parent0[1]: (142) {G1,W8,D3,L2,V3,M1} R(12,16) { distinct_lines( X, 
% 0.72/1.09    parallel_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent1[2]: (132) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 0.72/1.09    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 0.72/1.09    apart_point_and_line( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := T
% 0.72/1.09     Y := U
% 0.72/1.09     Z := Z
% 0.72/1.09     T := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2372) {G2,W14,D3,L4,V5,M1} R(132,142) { distinct_lines( X, Y
% 0.72/1.09     ), distinct_lines( Y, Z ), distinct_lines( Z, parallel_through_point( U
% 0.72/1.09    , T ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.09  parent0: (4157) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 0.72/1.09    parallel_through_point( Y, Z ) ), distinct_lines( T, U ), distinct_lines
% 0.72/1.09    ( U, X ), ! apart_point_and_line( Z, T ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := U
% 0.72/1.09     Z := T
% 0.72/1.09     T := X
% 0.72/1.09     U := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 2
% 0.72/1.09     1 ==> 0
% 0.72/1.09     2 ==> 1
% 0.72/1.09     3 ==> 3
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  factor: (4163) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 0.72/1.09    parallel_through_point( Y, Z ) ), distinct_lines( parallel_through_point
% 0.72/1.09    ( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent0[0, 2]: (2372) {G2,W14,D3,L4,V5,M1} R(132,142) { distinct_lines( X, 
% 0.72/1.09    Y ), distinct_lines( Y, Z ), distinct_lines( Z, parallel_through_point( U
% 0.72/1.09    , T ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := parallel_through_point( Y, Z )
% 0.72/1.09     Z := X
% 0.72/1.09     T := Z
% 0.72/1.09     U := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4169) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, Z ), X ), distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent0[0]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 0.72/1.09    distinct_lines( X, Y ) }.
% 0.72/1.09  parent1[0]: (4163) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 0.72/1.09    parallel_through_point( Y, Z ) ), distinct_lines( parallel_through_point
% 0.72/1.09    ( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := parallel_through_point( Y, Z )
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  factor: (4171) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 0.72/1.09    parallel_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 0.72/1.09  parent0[0, 1]: (4169) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, Z ), X ), distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2380) {G3,W8,D3,L2,V3,M1} F(2372);r(56) { distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent0: (4171) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 0.72/1.09    parallel_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  factor: (4174) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 0.72/1.09    orthogonal_through_point( Y, Z ) ), distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent0[0, 2]: (2371) {G2,W14,D3,L4,V5,M1} R(132,143) { distinct_lines( X, 
% 0.72/1.09    Y ), distinct_lines( Y, Z ), distinct_lines( Z, orthogonal_through_point
% 0.72/1.09    ( U, T ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := orthogonal_through_point( Y, Z )
% 0.72/1.09     Z := X
% 0.72/1.09     T := Z
% 0.72/1.09     U := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4180) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, Z ), X ), distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent0[0]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 0.72/1.09    distinct_lines( X, Y ) }.
% 0.72/1.09  parent1[0]: (4174) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 0.72/1.09    orthogonal_through_point( Y, Z ) ), distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := orthogonal_through_point( Y, Z )
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  factor: (4182) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 0.72/1.09  parent0[0, 1]: (4180) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, Z ), X ), distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2381) {G3,W8,D3,L2,V3,M1} F(2371);r(56) { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent0: (4182) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4185) {G3,W8,D3,L2,V1,M2}  { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.09    skol1, skol2 ) }.
% 0.72/1.09  parent0[1]: (2381) {G3,W8,D3,L2,V3,M1} F(2371);r(56) { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent1[1]: (168) {G2,W6,D2,L2,V0,M1} R(167,43) { apart_point_and_line( 
% 0.72/1.09    skol1, skol2 ), apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := skol3
% 0.72/1.09     Y := X
% 0.72/1.09     Z := skol1
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2402) {G4,W8,D3,L2,V1,M1} R(2381,168) { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.09    skol1, skol2 ) }.
% 0.72/1.09  parent0: (4185) {G3,W8,D3,L2,V1,M2}  { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.09    skol1, skol2 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4186) {G4,W10,D3,L2,V2,M2}  { distinct_lines( 
% 0.72/1.09    parallel_through_point( X, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, skol1 ), skol3 ) }.
% 0.72/1.09  parent0[1]: (2380) {G3,W8,D3,L2,V3,M1} F(2372);r(56) { distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.09  parent1[1]: (2402) {G4,W8,D3,L2,V1,M1} R(2381,168) { distinct_lines( 
% 0.72/1.09    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.09    skol1, skol2 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := skol2
% 0.72/1.09     Y := X
% 0.72/1.09     Z := skol1
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2437) {G5,W10,D3,L2,V2,M1} R(2402,2380) { distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.09    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.09  parent0: (4186) {G4,W10,D3,L2,V2,M2}  { distinct_lines( 
% 0.72/1.09    parallel_through_point( X, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.09    orthogonal_through_point( Y, skol1 ), skol3 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4188) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol3, 
% 0.72/1.09    orthogonal_through_point( X, skol1 ) ), distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, skol1 ), skol2 ) }.
% 0.72/1.09  parent0[1]: (122) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), 
% 0.72/1.09    ! distinct_lines( Y, X ) }.
% 0.72/1.09  parent1[1]: (2437) {G5,W10,D3,L2,V2,M1} R(2402,2380) { distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.09    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := skol3
% 0.72/1.09     Y := orthogonal_through_point( X, skol1 )
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2840) {G6,W10,D3,L2,V2,M1} R(2437,122) { convergent_lines( 
% 0.72/1.09    skol3, orthogonal_through_point( Y, skol1 ) ), distinct_lines( 
% 0.72/1.09    parallel_through_point( X, skol1 ), skol2 ) }.
% 0.72/1.09  parent0: (4188) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol3, 
% 0.72/1.09    orthogonal_through_point( X, skol1 ) ), distinct_lines( 
% 0.72/1.09    parallel_through_point( Y, skol1 ), skol2 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4189) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol2, 
% 0.72/1.09    parallel_through_point( X, skol1 ) ), convergent_lines( skol3, 
% 0.72/1.09    orthogonal_through_point( Y, skol1 ) ) }.
% 0.72/1.09  parent0[1]: (122) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), 
% 0.72/1.09    ! distinct_lines( Y, X ) }.
% 0.72/1.09  parent1[1]: (2840) {G6,W10,D3,L2,V2,M1} R(2437,122) { convergent_lines( 
% 0.72/1.09    skol3, orthogonal_through_point( Y, skol1 ) ), distinct_lines( 
% 0.72/1.09    parallel_through_point( X, skol1 ), skol2 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := skol2
% 0.72/1.09     Y := parallel_through_point( X, skol1 )
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2858) {G7,W10,D3,L2,V2,M1} R(2840,122) { convergent_lines( 
% 0.72/1.09    skol3, orthogonal_through_point( X, skol1 ) ), convergent_lines( skol2, 
% 0.72/1.09    parallel_through_point( Y, skol1 ) ) }.
% 0.72/1.09  parent0: (4189) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol2, 
% 0.72/1.09    parallel_through_point( X, skol1 ) ), convergent_lines( skol3, 
% 0.72/1.09    orthogonal_through_point( Y, skol1 ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 1
% 0.72/1.09     1 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4190) {G7,W5,D3,L1,V1,M1}  { convergent_lines( skol3, 
% 0.72/1.09    orthogonal_through_point( Z, skol1 ) ) }.
% 0.72/1.09  parent0[0]: (249) {G6,W9,D5,L1,V4,M1} R(246,72) { ! convergent_lines( X, 
% 0.72/1.09    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.09    , Y ), Z ), T ) ) }.
% 0.72/1.09  parent1[1]: (2858) {G7,W10,D3,L2,V2,M1} R(2840,122) { convergent_lines( 
% 0.72/1.09    skol3, orthogonal_through_point( X, skol1 ) ), convergent_lines( skol2, 
% 0.72/1.09    parallel_through_point( Y, skol1 ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := skol2
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09     T := skol1
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := parallel_through_point( parallel_through_point( skol2, X ), Y )
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2868) {G8,W5,D3,L1,V1,M1} R(2858,249) { convergent_lines( 
% 0.72/1.09    skol3, orthogonal_through_point( X, skol1 ) ) }.
% 0.72/1.09  parent0: (4190) {G7,W5,D3,L1,V1,M1}  { convergent_lines( skol3, 
% 0.72/1.09    orthogonal_through_point( Z, skol1 ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4191) {G3,W8,D3,L2,V2,M2}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, skol1 ), Y ), convergent_lines( Y, skol3 )
% 0.72/1.09     }.
% 0.72/1.09  parent0[1]: (68) {G2,W9,D2,L3,V3,M3} R(67,5) { convergent_lines( Z, X ), ! 
% 0.72/1.09    convergent_lines( Y, Z ), convergent_lines( X, Y ) }.
% 0.72/1.09  parent1[0]: (2868) {G8,W5,D3,L1,V1,M1} R(2858,249) { convergent_lines( 
% 0.72/1.09    skol3, orthogonal_through_point( X, skol1 ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := skol3
% 0.72/1.09     Z := orthogonal_through_point( X, skol1 )
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (2873) {G9,W8,D3,L2,V2,M2} R(2868,68) { convergent_lines( Y, 
% 0.72/1.09    skol3 ), convergent_lines( orthogonal_through_point( X, skol1 ), Y ) }.
% 0.72/1.09  parent0: (4191) {G3,W8,D3,L2,V2,M2}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, skol1 ), Y ), convergent_lines( Y, skol3 )
% 0.72/1.09     }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 1
% 0.72/1.09     1 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4192) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), convergent_lines( Z, X ), ! 
% 0.72/1.09    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.09    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.09  parent1[2]: (159) {G1,W12,D2,L4,V3,M2} R(18,21) { ! convergent_lines( X, Y
% 0.72/1.09     ), convergent_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 0.72/1.09    unorthogonal_lines( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := orthogonal_through_point( X, Y )
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4194) {G2,W11,D3,L3,V3,M3}  { convergent_lines( Z, X ), ! 
% 0.72/1.09    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ), 
% 0.72/1.09    convergent_lines( Z, X ) }.
% 0.72/1.09  parent0[0]: (4192) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), convergent_lines( Z, X ), ! 
% 0.72/1.09    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  parent1[1]: (190) {G3,W8,D3,L2,V3,M2} R(110,67) { convergent_lines( Z, X )
% 0.72/1.09    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  factor: (4195) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 0.72/1.09  parent0[0, 2]: (4194) {G2,W11,D3,L3,V3,M3}  { convergent_lines( Z, X ), ! 
% 0.72/1.09    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ), 
% 0.72/1.09    convergent_lines( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3021) {G4,W8,D3,L2,V3,M1} R(159,23);r(190) { convergent_lines
% 0.72/1.09    ( Z, X ), ! unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  parent0: (4195) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4196) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( Z, 
% 0.72/1.09    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ), ! 
% 0.72/1.09    unorthogonal_lines( Z, orthogonal_through_point( X, Y ) ) }.
% 0.72/1.09  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.09    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.09  parent1[3]: (165) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y
% 0.72/1.09     ), convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := orthogonal_through_point( X, Y )
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4197) {G2,W11,D3,L3,V3,M3}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ), 
% 0.72/1.09    convergent_lines( X, Y ) }.
% 0.72/1.09  parent0[0]: (4196) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( Z, 
% 0.72/1.09    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ), ! 
% 0.72/1.09    unorthogonal_lines( Z, orthogonal_through_point( X, Y ) ) }.
% 0.72/1.09  parent1[0]: (203) {G4,W8,D3,L2,V3,M2} R(190,67) { convergent_lines( X, 
% 0.72/1.09    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  factor: (4198) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.09  parent0[0, 2]: (4197) {G2,W11,D3,L3,V3,M3}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ), 
% 0.72/1.09    convergent_lines( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3044) {G5,W8,D3,L2,V3,M1} R(165,23);r(203) { convergent_lines
% 0.72/1.09    ( X, Y ), ! unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.09  parent0: (4198) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4199) {G2,W10,D3,L2,V4,M2}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( Z, T ), X ) }.
% 0.72/1.09  parent0[1]: (3044) {G5,W8,D3,L2,V3,M1} R(165,23);r(203) { convergent_lines
% 0.72/1.09    ( X, Y ), ! unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.09  parent1[1]: (257) {G1,W8,D3,L2,V3,M1} R(31,23) { ! convergent_lines( X, Y )
% 0.72/1.09    , unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := orthogonal_through_point( X, Y )
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := T
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := orthogonal_through_point( Z, T )
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3051) {G6,W10,D3,L2,V4,M2} R(3044,257) { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( Z, T ), X ), convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  parent0: (4199) {G2,W10,D3,L2,V4,M2}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( Z, T ), X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09     T := T
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 1
% 0.72/1.09     1 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4200) {G1,W15,D2,L5,V4,M5}  { ! convergent_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 0.72/1.09    convergent_lines( Y, T ), unorthogonal_lines( X, T ) }.
% 0.72/1.09  parent0[3]: (166) {G1,W12,D2,L4,V3,M3} R(19,21) { ! convergent_lines( X, Y
% 0.72/1.09     ), unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 0.72/1.09    unorthogonal_lines( X, Y ) }.
% 0.72/1.09  parent1[1]: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := T
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3068) {G2,W15,D2,L5,V4,M3} R(166,31) { ! convergent_lines( X
% 0.72/1.09    , Y ), ! convergent_lines( Y, T ), unorthogonal_lines( Y, Z ), 
% 0.72/1.09    unorthogonal_lines( X, T ), unorthogonal_lines( X, Z ) }.
% 0.72/1.09  parent0: (4200) {G1,W15,D2,L5,V4,M5}  { ! convergent_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), ! 
% 0.72/1.09    convergent_lines( Y, T ), unorthogonal_lines( X, T ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09     T := T
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 2
% 0.72/1.09     2 ==> 4
% 0.72/1.09     3 ==> 1
% 0.72/1.09     4 ==> 3
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  factor: (4215) {G2,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( Y, Z ), unorthogonal_lines( Y, Z ), unorthogonal_lines
% 0.72/1.09    ( X, Z ) }.
% 0.72/1.09  parent0[3, 4]: (3068) {G2,W15,D2,L5,V4,M3} R(166,31) { ! convergent_lines( 
% 0.72/1.09    X, Y ), ! convergent_lines( Y, T ), unorthogonal_lines( Y, Z ), 
% 0.72/1.09    unorthogonal_lines( X, T ), unorthogonal_lines( X, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09     T := Z
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4239) {G1,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ) }.
% 0.72/1.09  parent0[1]: (4215) {G2,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( Y, Z ), unorthogonal_lines( Y, Z ), unorthogonal_lines
% 0.72/1.09    ( X, Z ) }.
% 0.72/1.09  parent1[0]: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  factor: (4243) {G1,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ) }.
% 0.72/1.09  parent0[1, 3]: (4239) {G1,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3079) {G3,W9,D2,L3,V3,M2} F(3068);r(17) { ! convergent_lines
% 0.72/1.09    ( X, Y ), unorthogonal_lines( X, Z ), unorthogonal_lines( Y, Z ) }.
% 0.72/1.09  parent0: (4243) {G1,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 0.72/1.09    unorthogonal_lines( Y, Z ), unorthogonal_lines( X, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 2
% 0.72/1.09     2 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4245) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 0.72/1.09  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.09    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.09  parent1[1]: (3079) {G3,W9,D2,L3,V3,M2} F(3068);r(17) { ! convergent_lines( 
% 0.72/1.09    X, Y ), unorthogonal_lines( X, Z ), unorthogonal_lines( Y, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := orthogonal_through_point( X, Y )
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3092) {G4,W8,D3,L2,V3,M1} R(3079,23) { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 0.72/1.09  parent0: (4245) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09     Z := Z
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4248) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, 
% 0.72/1.09    orthogonal_through_point( X, Y ) ), unorthogonal_lines( Z, X ) }.
% 0.72/1.09  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.09    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.09  parent1[2]: (3079) {G3,W9,D2,L3,V3,M2} F(3068);r(17) { ! convergent_lines( 
% 0.72/1.09    X, Y ), unorthogonal_lines( X, Z ), unorthogonal_lines( Y, Z ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := orthogonal_through_point( X, Y )
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3093) {G4,W8,D3,L2,V3,M1} R(3079,23) { ! convergent_lines( X
% 0.72/1.09    , orthogonal_through_point( Y, Z ) ), unorthogonal_lines( X, Y ) }.
% 0.72/1.09  parent0: (4248) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, 
% 0.72/1.09    orthogonal_through_point( X, Y ) ), unorthogonal_lines( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4249) {G1,W7,D3,L1,V3,M1}  { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Z ), orthogonal_through_point( X, Y ) ) }.
% 0.72/1.09  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.09    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.09  parent1[1]: (3092) {G4,W8,D3,L2,V3,M1} R(3079,23) { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ), unorthogonal_lines( Z, X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := orthogonal_through_point( X, Y )
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3138) {G5,W7,D3,L1,V3,M1} R(3092,23) { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), orthogonal_through_point( X, Z ) ) }.
% 0.72/1.09  parent0: (4249) {G1,W7,D3,L1,V3,M1}  { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Z ), orthogonal_through_point( X, Y ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4250) {G6,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), skol3 ) }.
% 0.72/1.09  parent0[0]: (3138) {G5,W7,D3,L1,V3,M1} R(3092,23) { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), orthogonal_through_point( X, Z ) ) }.
% 0.72/1.09  parent1[1]: (2873) {G9,W8,D3,L2,V2,M2} R(2868,68) { convergent_lines( Y, 
% 0.72/1.09    skol3 ), convergent_lines( orthogonal_through_point( X, skol1 ), Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := skol1
% 0.72/1.09     Z := Y
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := orthogonal_through_point( X, Y )
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3140) {G10,W5,D3,L1,V2,M1} R(3138,2873) { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), skol3 ) }.
% 0.72/1.09  parent0: (4250) {G6,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), skol3 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4252) {G5,W10,D3,L2,V4,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( orthogonal_through_point( Y, Z ), 
% 0.72/1.09    orthogonal_through_point( X, T ) ) }.
% 0.72/1.09  parent0[1]: (3021) {G4,W8,D3,L2,V3,M1} R(159,23);r(190) { convergent_lines
% 0.72/1.09    ( Z, X ), ! unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  parent1[1]: (3093) {G4,W8,D3,L2,V3,M1} R(3079,23) { ! convergent_lines( X, 
% 0.72/1.09    orthogonal_through_point( Y, Z ) ), unorthogonal_lines( X, Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := orthogonal_through_point( Y, Z )
% 0.72/1.09     Y := X
% 0.72/1.09     Z := T
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3353) {G5,W10,D3,L2,V4,M2} R(3093,3021) { convergent_lines( Z
% 0.72/1.09    , X ), ! convergent_lines( orthogonal_through_point( X, Y ), 
% 0.72/1.09    orthogonal_through_point( Z, T ) ) }.
% 0.72/1.09  parent0: (4252) {G5,W10,D3,L2,V4,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.09    convergent_lines( orthogonal_through_point( Y, Z ), 
% 0.72/1.09    orthogonal_through_point( X, T ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Z
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09     T := T
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09     1 ==> 1
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4253) {G1,W9,D4,L1,V4,M1}  { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Z ), orthogonal_through_point( 
% 0.72/1.09    parallel_through_point( X, Y ), T ) ) }.
% 0.72/1.09  parent0[0]: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 0.72/1.09    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.09  parent1[0]: (3353) {G5,W10,D3,L2,V4,M2} R(3093,3021) { convergent_lines( Z
% 0.72/1.09    , X ), ! convergent_lines( orthogonal_through_point( X, Y ), 
% 0.72/1.09    orthogonal_through_point( Z, T ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := X
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := parallel_through_point( X, Y )
% 0.72/1.09     T := T
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3499) {G6,W9,D4,L1,V4,M1} R(3353,15) { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), orthogonal_through_point( 
% 0.72/1.09    parallel_through_point( X, Z ), T ) ) }.
% 0.72/1.09  parent0: (4253) {G1,W9,D4,L1,V4,M1}  { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Z ), orthogonal_through_point( 
% 0.72/1.09    parallel_through_point( X, Y ), T ) ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := Y
% 0.72/1.09     T := T
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4254) {G7,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( skol3, Z ), X ) }.
% 0.72/1.09  parent0[0]: (3051) {G6,W10,D3,L2,V4,M2} R(3044,257) { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( Z, T ), X ), convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.09  parent1[0]: (3140) {G10,W5,D3,L1,V2,M1} R(3138,2873) { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), skol3 ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := skol3
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09     T := Y
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := Y
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3849) {G11,W5,D3,L1,V2,M1} R(3051,3140) { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( skol3, X ), Y ) }.
% 0.72/1.09  parent0: (4254) {G7,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( skol3, Z ), X ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := Y
% 0.72/1.09     Y := Z
% 0.72/1.09     Z := X
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09     0 ==> 0
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  resolution: (4255) {G7,W0,D0,L0,V0,M0}  {  }.
% 0.72/1.09  parent0[0]: (3499) {G6,W9,D4,L1,V4,M1} R(3353,15) { ! convergent_lines( 
% 0.72/1.09    orthogonal_through_point( X, Y ), orthogonal_through_point( 
% 0.72/1.09    parallel_through_point( X, Z ), T ) ) }.
% 0.72/1.09  parent1[0]: (3849) {G11,W5,D3,L1,V2,M1} R(3051,3140) { convergent_lines( 
% 0.72/1.09    orthogonal_through_point( skol3, X ), Y ) }.
% 0.72/1.09  substitution0:
% 0.72/1.09     X := skol3
% 0.72/1.09     Y := X
% 0.72/1.09     Z := Y
% 0.72/1.09     T := Z
% 0.72/1.09  end
% 0.72/1.09  substitution1:
% 0.72/1.09     X := X
% 0.72/1.09     Y := orthogonal_through_point( parallel_through_point( skol3, Y ), Z )
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  subsumption: (3908) {G12,W0,D0,L0,V0,M0} R(3849,3499) {  }.
% 0.72/1.09  parent0: (4255) {G7,W0,D0,L0,V0,M0}  {  }.
% 0.72/1.09  substitution0:
% 0.72/1.09  end
% 0.72/1.09  permutation0:
% 0.72/1.09  end
% 0.72/1.09  
% 0.72/1.09  Proof check complete!
% 0.72/1.09  
% 0.72/1.09  Memory use:
% 0.72/1.09  
% 0.72/1.09  space for terms:        51795
% 0.72/1.09  space for clauses:      153478
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  clauses generated:      20591
% 0.72/1.09  clauses kept:           3909
% 0.72/1.09  clauses selected:       491
% 0.72/1.09  clauses deleted:        15
% 0.72/1.09  clauses inuse deleted:  8
% 0.72/1.09  
% 0.72/1.09  subsentry:          276461
% 0.72/1.09  literals s-matched: 113394
% 0.72/1.09  literals matched:   113138
% 0.72/1.09  full subsumption:   69414
% 0.72/1.09  
% 0.72/1.09  checksum:           649878104
% 0.72/1.09  
% 0.72/1.09  
% 0.72/1.09  Bliksem ended
%------------------------------------------------------------------------------