TSTP Solution File: GEO176+3 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GEO176+3 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n022.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 02:52:17 EDT 2022

% Result   : Theorem 0.72s 1.23s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GEO176+3 : TPTP v8.1.0. Released v4.0.0.
% 0.07/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n022.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % DateTime : Fri Jun 17 22:38:32 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.72/1.23  *** allocated 10000 integers for termspace/termends
% 0.72/1.23  *** allocated 10000 integers for clauses
% 0.72/1.23  *** allocated 10000 integers for justifications
% 0.72/1.23  Bliksem 1.12
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  Automatic Strategy Selection
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  Clauses:
% 0.72/1.23  
% 0.72/1.23  { ! distinct_points( X, X ) }.
% 0.72/1.23  { ! distinct_lines( X, X ) }.
% 0.72/1.23  { ! convergent_lines( X, X ) }.
% 0.72/1.23  { ! distinct_points( X, Y ), distinct_points( X, Z ), distinct_points( Y, Z
% 0.72/1.23     ) }.
% 0.72/1.23  { ! distinct_lines( X, Y ), distinct_lines( X, Z ), distinct_lines( Y, Z )
% 0.72/1.23     }.
% 0.72/1.23  { ! convergent_lines( X, Y ), convergent_lines( X, Z ), convergent_lines( Y
% 0.72/1.23    , Z ) }.
% 0.72/1.23  { ! distinct_points( X, Y ), ! apart_point_and_line( X, line_connecting( X
% 0.72/1.23    , Y ) ) }.
% 0.72/1.23  { ! distinct_points( X, Y ), ! apart_point_and_line( Y, line_connecting( X
% 0.72/1.23    , Y ) ) }.
% 0.72/1.23  { ! convergent_lines( X, Y ), ! apart_point_and_line( intersection_point( X
% 0.72/1.23    , Y ), X ) }.
% 0.72/1.23  { ! convergent_lines( X, Y ), ! apart_point_and_line( intersection_point( X
% 0.72/1.23    , Y ), Y ) }.
% 0.72/1.23  { ! distinct_points( X, Y ), ! distinct_lines( Z, T ), apart_point_and_line
% 0.72/1.23    ( X, Z ), apart_point_and_line( X, T ), apart_point_and_line( Y, Z ), 
% 0.72/1.23    apart_point_and_line( Y, T ) }.
% 0.72/1.23  { ! apart_point_and_line( X, Y ), distinct_points( X, Z ), 
% 0.72/1.23    apart_point_and_line( Z, Y ) }.
% 0.72/1.23  { ! apart_point_and_line( X, Y ), distinct_lines( Y, Z ), 
% 0.72/1.23    apart_point_and_line( X, Z ) }.
% 0.72/1.23  { ! convergent_lines( X, Y ), distinct_lines( Y, Z ), convergent_lines( X, 
% 0.72/1.23    Z ) }.
% 0.72/1.23  { ! distinct_lines( X, Y ), convergent_lines( X, Y ) }.
% 0.72/1.23  { ! convergent_lines( parallel_through_point( Y, X ), Y ) }.
% 0.72/1.23  { ! apart_point_and_line( X, parallel_through_point( Y, X ) ) }.
% 0.72/1.23  { ! distinct_lines( X, Y ), apart_point_and_line( Z, X ), 
% 0.72/1.23    apart_point_and_line( Z, Y ), convergent_lines( X, Y ) }.
% 0.72/1.23  { convergent_lines( X, Y ), unorthogonal_lines( X, Y ) }.
% 0.72/1.23  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Z )
% 0.72/1.23    , convergent_lines( Y, Z ) }.
% 0.72/1.23  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Z )
% 0.72/1.23    , unorthogonal_lines( Y, Z ) }.
% 0.72/1.23  { ! alpha1( X, Y ), convergent_lines( X, Y ) }.
% 0.72/1.23  { ! alpha1( X, Y ), unorthogonal_lines( X, Y ) }.
% 0.72/1.23  { ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ), alpha1( X, Y )
% 0.72/1.23     }.
% 0.72/1.23  { ! unorthogonal_lines( orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.23  { ! apart_point_and_line( X, orthogonal_through_point( Y, X ) ) }.
% 0.72/1.23  { ! distinct_lines( X, Y ), apart_point_and_line( Z, X ), 
% 0.72/1.23    apart_point_and_line( Z, Y ), unorthogonal_lines( X, T ), 
% 0.72/1.23    unorthogonal_lines( Y, T ) }.
% 0.72/1.23  { convergent_lines( X, Y ), unorthogonal_lines( X, Y ) }.
% 0.72/1.23  { alpha2( X, Z ), convergent_lines( Z, Y ), ! convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, Y ) }.
% 0.72/1.23  { alpha2( X, Z ), unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ), !
% 0.72/1.23     unorthogonal_lines( X, Y ) }.
% 0.72/1.23  { ! alpha2( X, Y ), convergent_lines( Y, X ) }.
% 0.72/1.23  { ! alpha2( X, Y ), unorthogonal_lines( Y, X ) }.
% 0.72/1.23  { ! convergent_lines( Y, X ), ! unorthogonal_lines( Y, X ), alpha2( X, Y )
% 0.72/1.23     }.
% 0.72/1.23  { unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ), ! 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  { ! point( X ), ! point( Y ), ! distinct_points( X, Y ), line( 
% 0.72/1.23    line_connecting( X, Y ) ) }.
% 0.72/1.23  { ! line( X ), ! line( Y ), ! convergent_lines( X, Y ), point( 
% 0.72/1.23    intersection_point( X, Y ) ) }.
% 0.72/1.23  { ! line( X ), ! point( Y ), line( parallel_through_point( X, Y ) ) }.
% 0.72/1.23  { ! line( X ), ! point( Y ), line( orthogonal_through_point( X, Y ) ) }.
% 0.72/1.23  { ! equal_points( X, Y ), ! distinct_points( X, Y ) }.
% 0.72/1.23  { distinct_points( X, Y ), equal_points( X, Y ) }.
% 0.72/1.23  { ! equal_lines( X, Y ), ! distinct_lines( X, Y ) }.
% 0.72/1.23  { distinct_lines( X, Y ), equal_lines( X, Y ) }.
% 0.72/1.23  { ! parallel_lines( X, Y ), ! convergent_lines( X, Y ) }.
% 0.72/1.23  { convergent_lines( X, Y ), parallel_lines( X, Y ) }.
% 0.72/1.23  { ! incident_point_and_line( X, Y ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.23  { apart_point_and_line( X, Y ), incident_point_and_line( X, Y ) }.
% 0.72/1.23  { ! orthogonal_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 0.72/1.23  { unorthogonal_lines( X, Y ), orthogonal_lines( X, Y ) }.
% 0.72/1.23  { distinct_points( skol1, skol4 ) }.
% 0.72/1.23  { convergent_lines( skol2, skol3 ) }.
% 0.72/1.23  { apart_point_and_line( skol1, skol2 ), apart_point_and_line( skol1, skol3
% 0.72/1.23     ) }.
% 0.72/1.23  { ! distinct_points( skol1, intersection_point( skol2, skol3 ) ) }.
% 0.72/1.23  
% 0.72/1.23  percentage equality = 0.000000, percentage horn = 0.600000
% 0.72/1.23  This a non-horn, non-equality problem
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  Options Used:
% 0.72/1.23  
% 0.72/1.23  useres =            1
% 0.72/1.23  useparamod =        0
% 0.72/1.23  useeqrefl =         0
% 0.72/1.23  useeqfact =         0
% 0.72/1.23  usefactor =         1
% 0.72/1.23  usesimpsplitting =  0
% 0.72/1.23  usesimpdemod =      0
% 0.72/1.23  usesimpres =        3
% 0.72/1.23  
% 0.72/1.23  resimpinuse      =  1000
% 0.72/1.23  resimpclauses =     20000
% 0.72/1.23  substype =          standard
% 0.72/1.23  backwardsubs =      1
% 0.72/1.23  selectoldest =      5
% 0.72/1.23  
% 0.72/1.23  litorderings [0] =  split
% 0.72/1.23  litorderings [1] =  liftord
% 0.72/1.23  
% 0.72/1.23  termordering =      none
% 0.72/1.23  
% 0.72/1.23  litapriori =        1
% 0.72/1.23  termapriori =       0
% 0.72/1.23  litaposteriori =    0
% 0.72/1.23  termaposteriori =   0
% 0.72/1.23  demodaposteriori =  0
% 0.72/1.23  ordereqreflfact =   0
% 0.72/1.23  
% 0.72/1.23  litselect =         none
% 0.72/1.23  
% 0.72/1.23  maxweight =         15
% 0.72/1.23  maxdepth =          30000
% 0.72/1.23  maxlength =         115
% 0.72/1.23  maxnrvars =         195
% 0.72/1.23  excuselevel =       1
% 0.72/1.23  increasemaxweight = 1
% 0.72/1.23  
% 0.72/1.23  maxselected =       10000000
% 0.72/1.23  maxnrclauses =      10000000
% 0.72/1.23  
% 0.72/1.23  showgenerated =    0
% 0.72/1.23  showkept =         0
% 0.72/1.23  showselected =     0
% 0.72/1.23  showdeleted =      0
% 0.72/1.23  showresimp =       1
% 0.72/1.23  showstatus =       2000
% 0.72/1.23  
% 0.72/1.23  prologoutput =     0
% 0.72/1.23  nrgoals =          5000000
% 0.72/1.23  totalproof =       1
% 0.72/1.23  
% 0.72/1.23  Symbols occurring in the translation:
% 0.72/1.23  
% 0.72/1.23  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.23  .  [1, 2]      (w:1, o:27, a:1, s:1, b:0), 
% 0.72/1.23  !  [4, 1]      (w:0, o:20, a:1, s:1, b:0), 
% 0.72/1.23  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.23  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.23  distinct_points  [36, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.72/1.23  distinct_lines  [37, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.72/1.23  convergent_lines  [38, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.72/1.23  line_connecting  [41, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.72/1.23  apart_point_and_line  [42, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 0.72/1.23  intersection_point  [43, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 0.72/1.23  parallel_through_point  [46, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 0.72/1.23  unorthogonal_lines  [49, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 0.72/1.23  orthogonal_through_point  [52, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 0.72/1.23  point  [54, 1]      (w:1, o:25, a:1, s:1, b:0), 
% 0.72/1.23  line  [55, 1]      (w:1, o:26, a:1, s:1, b:0), 
% 0.72/1.23  equal_points  [56, 2]      (w:1, o:61, a:1, s:1, b:0), 
% 0.72/1.23  equal_lines  [57, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 0.72/1.23  parallel_lines  [58, 2]      (w:1, o:63, a:1, s:1, b:0), 
% 0.72/1.23  incident_point_and_line  [59, 2]      (w:1, o:64, a:1, s:1, b:0), 
% 0.72/1.23  orthogonal_lines  [60, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 0.72/1.23  alpha1  [61, 2]      (w:1, o:65, a:1, s:1, b:0), 
% 0.72/1.23  alpha2  [62, 2]      (w:1, o:66, a:1, s:1, b:0), 
% 0.72/1.23  skol1  [63, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 0.72/1.23  skol2  [64, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 0.72/1.23  skol3  [65, 0]      (w:1, o:18, a:1, s:1, b:0), 
% 0.72/1.23  skol4  [66, 0]      (w:1, o:19, a:1, s:1, b:0).
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  Starting Search:
% 0.72/1.23  
% 0.72/1.23  *** allocated 15000 integers for clauses
% 0.72/1.23  *** allocated 22500 integers for clauses
% 0.72/1.23  *** allocated 33750 integers for clauses
% 0.72/1.23  *** allocated 15000 integers for termspace/termends
% 0.72/1.23  *** allocated 50625 integers for clauses
% 0.72/1.23  Resimplifying inuse:
% 0.72/1.23  Done
% 0.72/1.23  
% 0.72/1.23  *** allocated 22500 integers for termspace/termends
% 0.72/1.23  *** allocated 75937 integers for clauses
% 0.72/1.23  *** allocated 33750 integers for termspace/termends
% 0.72/1.23  *** allocated 113905 integers for clauses
% 0.72/1.23  
% 0.72/1.23  Intermediate Status:
% 0.72/1.23  Generated:    10086
% 0.72/1.23  Kept:         2006
% 0.72/1.23  Inuse:        316
% 0.72/1.23  Deleted:      1
% 0.72/1.23  Deletedinuse: 0
% 0.72/1.23  
% 0.72/1.23  Resimplifying inuse:
% 0.72/1.23  Done
% 0.72/1.23  
% 0.72/1.23  *** allocated 50625 integers for termspace/termends
% 0.72/1.23  *** allocated 170857 integers for clauses
% 0.72/1.23  Resimplifying inuse:
% 0.72/1.23  Done
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  Bliksems!, er is een bewijs:
% 0.72/1.23  % SZS status Theorem
% 0.72/1.23  % SZS output start Refutation
% 0.72/1.23  
% 0.72/1.23  (1) {G0,W3,D2,L1,V1,M1} I { ! distinct_lines( X, X ) }.
% 0.72/1.23  (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 0.72/1.23  (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), distinct_lines( Y, Z )
% 0.72/1.23    , ! distinct_lines( X, Y ) }.
% 0.72/1.23  (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), convergent_lines( Y, 
% 0.72/1.23    Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.23  (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), apart_point_and_line( 
% 0.72/1.23    X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.23  (14) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! distinct_lines( X
% 0.72/1.23    , Y ) }.
% 0.72/1.23  (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( parallel_through_point( Y
% 0.72/1.23    , X ), Y ) }.
% 0.72/1.23  (16) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.23    parallel_through_point( Y, X ) ) }.
% 0.72/1.23  (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), unorthogonal_lines( 
% 0.72/1.23    X, Y ) }.
% 0.72/1.23  (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 0.72/1.23     }.
% 0.72/1.23  (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! alpha1( X, Y ) }.
% 0.72/1.23  (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( orthogonal_through_point
% 0.72/1.23    ( Y, X ), Y ) }.
% 0.72/1.23  (24) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.23    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.23  (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), unorthogonal_lines
% 0.72/1.23    ( Z, X ), unorthogonal_lines( Z, Y ) }.
% 0.72/1.23  (48) {G0,W6,D2,L2,V0,M1} I { apart_point_and_line( skol1, skol2 ), 
% 0.72/1.23    apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.23  (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), distinct_lines
% 0.72/1.23    ( X, Y ) }.
% 0.72/1.23  (70) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  (75) {G2,W5,D3,L1,V2,M1} R(70,15) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( X, Y ) ) }.
% 0.72/1.23  (77) {G3,W8,D3,L2,V3,M2} R(75,5) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.23  (81) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.23  (109) {G2,W8,D3,L2,V3,M2} R(81,5) { convergent_lines( X, Z ), 
% 0.72/1.23    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  (110) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), ! 
% 0.72/1.23    distinct_lines( Y, X ) }.
% 0.72/1.23  (131) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 0.72/1.23    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 0.72/1.23    apart_point_and_line( Z, X ) }.
% 0.72/1.23  (141) {G1,W8,D3,L2,V3,M1} R(12,16) { distinct_lines( X, 
% 0.72/1.23    parallel_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  (142) {G1,W8,D3,L2,V3,M1} R(12,24) { distinct_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  (167) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y ), 
% 0.72/1.23    convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 0.72/1.23    unorthogonal_lines( Y, Z ) }.
% 0.72/1.23  (183) {G3,W8,D3,L2,V3,M2} R(109,70) { convergent_lines( Z, X ), 
% 0.72/1.23    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  (200) {G4,W8,D3,L2,V3,M2} R(183,70) { convergent_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 0.72/1.23  (232) {G4,W7,D4,L1,V3,M1} R(77,15) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.23  (243) {G5,W7,D4,L1,V3,M1} R(232,70) { ! convergent_lines( 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.23  (246) {G6,W9,D5,L1,V4,M1} R(243,77) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.23    , Y ), Z ), T ) ) }.
% 0.72/1.23  (258) {G1,W8,D3,L2,V3,M1} R(31,23) { ! convergent_lines( X, Y ), 
% 0.72/1.23    unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 0.72/1.23  (2390) {G2,W14,D3,L4,V5,M1} R(131,142) { distinct_lines( X, Y ), 
% 0.72/1.23    distinct_lines( Y, Z ), distinct_lines( Z, orthogonal_through_point( U, T
% 0.72/1.23     ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.23  (2391) {G2,W14,D3,L4,V5,M1} R(131,141) { distinct_lines( X, Y ), 
% 0.72/1.23    distinct_lines( Y, Z ), distinct_lines( Z, parallel_through_point( U, T )
% 0.72/1.23     ), ! apart_point_and_line( T, X ) }.
% 0.72/1.23  (2399) {G3,W8,D3,L2,V3,M1} F(2391);r(56) { distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  (2400) {G3,W8,D3,L2,V3,M1} F(2390);r(56) { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  (2421) {G4,W8,D3,L2,V1,M1} R(2400,48) { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.23    skol1, skol2 ) }.
% 0.72/1.23  (2456) {G5,W10,D3,L2,V2,M1} R(2421,2399) { distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.23  (2793) {G6,W10,D3,L2,V2,M1} R(2456,110) { convergent_lines( skol3, 
% 0.72/1.23    orthogonal_through_point( Y, skol1 ) ), distinct_lines( 
% 0.72/1.23    parallel_through_point( X, skol1 ), skol2 ) }.
% 0.72/1.23  (2811) {G7,W10,D3,L2,V2,M1} R(2793,110) { convergent_lines( skol3, 
% 0.72/1.23    orthogonal_through_point( X, skol1 ) ), convergent_lines( skol2, 
% 0.72/1.23    parallel_through_point( Y, skol1 ) ) }.
% 0.72/1.23  (2821) {G8,W5,D3,L1,V1,M1} R(2811,246) { convergent_lines( skol3, 
% 0.72/1.23    orthogonal_through_point( X, skol1 ) ) }.
% 0.72/1.23  (2834) {G9,W5,D3,L1,V1,M1} R(2821,70) { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.23  (3103) {G5,W8,D3,L2,V3,M1} R(167,23);r(200) { convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.23  (3110) {G6,W10,D3,L2,V4,M2} R(3103,258) { ! convergent_lines( 
% 0.72/1.23    orthogonal_through_point( Z, T ), X ), convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  (3125) {G10,W5,D3,L1,V2,M1} R(3110,2834) { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( skol3, X ), Y ) }.
% 0.72/1.23  (3208) {G11,W0,D0,L0,V0,M0} R(3125,246) {  }.
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  % SZS output end Refutation
% 0.72/1.23  found a proof!
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  Unprocessed initial clauses:
% 0.72/1.23  
% 0.72/1.23  (3210) {G0,W3,D2,L1,V1,M1}  { ! distinct_points( X, X ) }.
% 0.72/1.23  (3211) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 0.72/1.23  (3212) {G0,W3,D2,L1,V1,M1}  { ! convergent_lines( X, X ) }.
% 0.72/1.23  (3213) {G0,W9,D2,L3,V3,M3}  { ! distinct_points( X, Y ), distinct_points( X
% 0.72/1.23    , Z ), distinct_points( Y, Z ) }.
% 0.72/1.23  (3214) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), distinct_lines( X, 
% 0.72/1.23    Z ), distinct_lines( Y, Z ) }.
% 0.72/1.23  (3215) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), convergent_lines
% 0.72/1.23    ( X, Z ), convergent_lines( Y, Z ) }.
% 0.72/1.23  (3216) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.72/1.23    apart_point_and_line( X, line_connecting( X, Y ) ) }.
% 0.72/1.23  (3217) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.72/1.23    apart_point_and_line( Y, line_connecting( X, Y ) ) }.
% 0.72/1.23  (3218) {G0,W8,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.23    apart_point_and_line( intersection_point( X, Y ), X ) }.
% 0.72/1.23  (3219) {G0,W8,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.23    apart_point_and_line( intersection_point( X, Y ), Y ) }.
% 0.72/1.23  (3220) {G0,W18,D2,L6,V4,M6}  { ! distinct_points( X, Y ), ! distinct_lines
% 0.72/1.23    ( Z, T ), apart_point_and_line( X, Z ), apart_point_and_line( X, T ), 
% 0.72/1.23    apart_point_and_line( Y, Z ), apart_point_and_line( Y, T ) }.
% 0.72/1.23  (3221) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 0.72/1.23    distinct_points( X, Z ), apart_point_and_line( Z, Y ) }.
% 0.72/1.23  (3222) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 0.72/1.23    distinct_lines( Y, Z ), apart_point_and_line( X, Z ) }.
% 0.72/1.23  (3223) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), distinct_lines( Y
% 0.72/1.23    , Z ), convergent_lines( X, Z ) }.
% 0.72/1.23  (3224) {G0,W6,D2,L2,V2,M2}  { ! distinct_lines( X, Y ), convergent_lines( X
% 0.72/1.23    , Y ) }.
% 0.72/1.23  (3225) {G0,W5,D3,L1,V2,M1}  { ! convergent_lines( parallel_through_point( Y
% 0.72/1.23    , X ), Y ) }.
% 0.72/1.23  (3226) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.23    parallel_through_point( Y, X ) ) }.
% 0.72/1.23  (3227) {G0,W12,D2,L4,V3,M4}  { ! distinct_lines( X, Y ), 
% 0.72/1.23    apart_point_and_line( Z, X ), apart_point_and_line( Z, Y ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  (3228) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), unorthogonal_lines
% 0.72/1.23    ( X, Y ) }.
% 0.72/1.23  (3229) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, Y ), alpha1( X, Z ), convergent_lines( Y, Z ) }.
% 0.72/1.23  (3230) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, Y ), alpha1( X, Z ), unorthogonal_lines( Y, Z )
% 0.72/1.23     }.
% 0.72/1.23  (3231) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), convergent_lines( X, Y )
% 0.72/1.23     }.
% 0.72/1.23  (3232) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), unorthogonal_lines( X, Y )
% 0.72/1.23     }.
% 0.72/1.23  (3233) {G0,W9,D2,L3,V2,M3}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, Y ), alpha1( X, Y ) }.
% 0.72/1.23  (3234) {G0,W5,D3,L1,V2,M1}  { ! unorthogonal_lines( 
% 0.72/1.23    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.23  (3235) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.23    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.23  (3236) {G0,W15,D2,L5,V4,M5}  { ! distinct_lines( X, Y ), 
% 0.72/1.23    apart_point_and_line( Z, X ), apart_point_and_line( Z, Y ), 
% 0.72/1.23    unorthogonal_lines( X, T ), unorthogonal_lines( Y, T ) }.
% 0.72/1.23  (3237) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), unorthogonal_lines
% 0.72/1.23    ( X, Y ) }.
% 0.72/1.23  (3238) {G0,W12,D2,L4,V3,M4}  { alpha2( X, Z ), convergent_lines( Z, Y ), ! 
% 0.72/1.23    convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 0.72/1.23  (3239) {G0,W12,D2,L4,V3,M4}  { alpha2( X, Z ), unorthogonal_lines( Z, Y ), 
% 0.72/1.23    ! convergent_lines( X, Y ), ! unorthogonal_lines( X, Y ) }.
% 0.72/1.23  (3240) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), convergent_lines( Y, X )
% 0.72/1.23     }.
% 0.72/1.23  (3241) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), unorthogonal_lines( Y, X )
% 0.72/1.23     }.
% 0.72/1.23  (3242) {G0,W9,D2,L3,V2,M3}  { ! convergent_lines( Y, X ), ! 
% 0.72/1.23    unorthogonal_lines( Y, X ), alpha2( X, Y ) }.
% 0.72/1.23  (3243) {G0,W9,D2,L3,V3,M3}  { unorthogonal_lines( Z, X ), 
% 0.72/1.23    unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ) }.
% 0.72/1.23  (3244) {G0,W11,D3,L4,V2,M4}  { ! point( X ), ! point( Y ), ! 
% 0.72/1.23    distinct_points( X, Y ), line( line_connecting( X, Y ) ) }.
% 0.72/1.23  (3245) {G0,W11,D3,L4,V2,M4}  { ! line( X ), ! line( Y ), ! convergent_lines
% 0.72/1.23    ( X, Y ), point( intersection_point( X, Y ) ) }.
% 0.72/1.23  (3246) {G0,W8,D3,L3,V2,M3}  { ! line( X ), ! point( Y ), line( 
% 0.72/1.23    parallel_through_point( X, Y ) ) }.
% 0.72/1.23  (3247) {G0,W8,D3,L3,V2,M3}  { ! line( X ), ! point( Y ), line( 
% 0.72/1.23    orthogonal_through_point( X, Y ) ) }.
% 0.72/1.23  (3248) {G0,W6,D2,L2,V2,M2}  { ! equal_points( X, Y ), ! distinct_points( X
% 0.72/1.23    , Y ) }.
% 0.72/1.23  (3249) {G0,W6,D2,L2,V2,M2}  { distinct_points( X, Y ), equal_points( X, Y )
% 0.72/1.23     }.
% 0.72/1.23  (3250) {G0,W6,D2,L2,V2,M2}  { ! equal_lines( X, Y ), ! distinct_lines( X, Y
% 0.72/1.23     ) }.
% 0.72/1.23  (3251) {G0,W6,D2,L2,V2,M2}  { distinct_lines( X, Y ), equal_lines( X, Y )
% 0.72/1.23     }.
% 0.72/1.23  (3252) {G0,W6,D2,L2,V2,M2}  { ! parallel_lines( X, Y ), ! convergent_lines
% 0.72/1.23    ( X, Y ) }.
% 0.72/1.23  (3253) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), parallel_lines( X, 
% 0.72/1.23    Y ) }.
% 0.72/1.23  (3254) {G0,W6,D2,L2,V2,M2}  { ! incident_point_and_line( X, Y ), ! 
% 0.72/1.23    apart_point_and_line( X, Y ) }.
% 0.72/1.23  (3255) {G0,W6,D2,L2,V2,M2}  { apart_point_and_line( X, Y ), 
% 0.72/1.23    incident_point_and_line( X, Y ) }.
% 0.72/1.23  (3256) {G0,W6,D2,L2,V2,M2}  { ! orthogonal_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, Y ) }.
% 0.72/1.23  (3257) {G0,W6,D2,L2,V2,M2}  { unorthogonal_lines( X, Y ), orthogonal_lines
% 0.72/1.23    ( X, Y ) }.
% 0.72/1.23  (3258) {G0,W3,D2,L1,V0,M1}  { distinct_points( skol1, skol4 ) }.
% 0.72/1.23  (3259) {G0,W3,D2,L1,V0,M1}  { convergent_lines( skol2, skol3 ) }.
% 0.72/1.23  (3260) {G0,W6,D2,L2,V0,M2}  { apart_point_and_line( skol1, skol2 ), 
% 0.72/1.23    apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.23  (3261) {G0,W5,D3,L1,V0,M1}  { ! distinct_points( skol1, intersection_point
% 0.72/1.23    ( skol2, skol3 ) ) }.
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  Total Proof:
% 0.72/1.23  
% 0.72/1.23  subsumption: (1) {G0,W3,D2,L1,V1,M1} I { ! distinct_lines( X, X ) }.
% 0.72/1.23  parent0: (3211) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 0.72/1.23  parent0: (3212) {G0,W3,D2,L1,V1,M1}  { ! convergent_lines( X, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), 
% 0.72/1.23    distinct_lines( Y, Z ), ! distinct_lines( X, Y ) }.
% 0.72/1.23  parent0: (3214) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), 
% 0.72/1.23    distinct_lines( X, Z ), distinct_lines( Y, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 2
% 0.72/1.23     1 ==> 0
% 0.72/1.23     2 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 0.72/1.23    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.23  parent0: (3215) {G0,W9,D2,L3,V3,M3}  { ! convergent_lines( X, Y ), 
% 0.72/1.23    convergent_lines( X, Z ), convergent_lines( Y, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 2
% 0.72/1.23     1 ==> 0
% 0.72/1.23     2 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.23    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.23  parent0: (3222) {G0,W9,D2,L3,V3,M3}  { ! apart_point_and_line( X, Y ), 
% 0.72/1.23    distinct_lines( Y, Z ), apart_point_and_line( X, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 2
% 0.72/1.23     1 ==> 0
% 0.72/1.23     2 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (14) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 0.72/1.23    distinct_lines( X, Y ) }.
% 0.72/1.23  parent0: (3224) {G0,W6,D2,L2,V2,M2}  { ! distinct_lines( X, Y ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 0.72/1.23    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.23  parent0: (3225) {G0,W5,D3,L1,V2,M1}  { ! convergent_lines( 
% 0.72/1.23    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (16) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.23    parallel_through_point( Y, X ) ) }.
% 0.72/1.23  parent0: (3226) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.23    parallel_through_point( Y, X ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 0.72/1.23    unorthogonal_lines( X, Y ) }.
% 0.72/1.23  parent0: (3228) {G0,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), 
% 0.72/1.23    unorthogonal_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 0.72/1.23     }.
% 0.72/1.23  parent0: (3230) {G0,W12,D2,L4,V3,M4}  { ! convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, Y ), alpha1( X, Z ), unorthogonal_lines( Y, Z )
% 0.72/1.23     }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23     2 ==> 3
% 0.72/1.23     3 ==> 2
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 0.72/1.23    alpha1( X, Y ) }.
% 0.72/1.23  parent0: (3231) {G0,W6,D2,L2,V2,M2}  { ! alpha1( X, Y ), convergent_lines( 
% 0.72/1.23    X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.23    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.23  parent0: (3234) {G0,W5,D3,L1,V2,M1}  { ! unorthogonal_lines( 
% 0.72/1.23    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (24) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.23    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.23  parent0: (3235) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.23    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 0.72/1.23    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 0.72/1.23  parent0: (3243) {G0,W9,D2,L3,V3,M3}  { unorthogonal_lines( Z, X ), 
% 0.72/1.23    unorthogonal_lines( Z, Y ), ! convergent_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 2
% 0.72/1.23     2 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (48) {G0,W6,D2,L2,V0,M1} I { apart_point_and_line( skol1, 
% 0.72/1.23    skol2 ), apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.23  parent0: (3260) {G0,W6,D2,L2,V0,M2}  { apart_point_and_line( skol1, skol2 )
% 0.72/1.23    , apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3381) {G1,W6,D2,L2,V2,M2}  { distinct_lines( Y, X ), ! 
% 0.72/1.23    distinct_lines( X, Y ) }.
% 0.72/1.23  parent0[0]: (1) {G0,W3,D2,L1,V1,M1} I { ! distinct_lines( X, X ) }.
% 0.72/1.23  parent1[0]: (4) {G0,W9,D2,L3,V3,M3} I { distinct_lines( X, Z ), 
% 0.72/1.23    distinct_lines( Y, Z ), ! distinct_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 0.72/1.23    distinct_lines( X, Y ) }.
% 0.72/1.23  parent0: (3381) {G1,W6,D2,L2,V2,M2}  { distinct_lines( Y, X ), ! 
% 0.72/1.23    distinct_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3383) {G1,W6,D2,L2,V2,M2}  { convergent_lines( Y, X ), ! 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  parent0[0]: (2) {G0,W3,D2,L1,V1,M1} I { ! convergent_lines( X, X ) }.
% 0.72/1.23  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 0.72/1.23    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (70) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  parent0: (3383) {G1,W6,D2,L2,V2,M2}  { convergent_lines( Y, X ), ! 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3385) {G1,W5,D3,L1,V2,M1}  { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( X, Y ) ) }.
% 0.72/1.23  parent0[0]: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 0.72/1.23    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.23  parent1[1]: (70) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := parallel_through_point( X, Y )
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (75) {G2,W5,D3,L1,V2,M1} R(70,15) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( X, Y ) ) }.
% 0.72/1.23  parent0: (3385) {G1,W5,D3,L1,V2,M1}  { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( X, Y ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3386) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 0.72/1.23    parallel_through_point( X, Y ) ), ! convergent_lines( X, Z ) }.
% 0.72/1.23  parent0[0]: (75) {G2,W5,D3,L1,V2,M1} R(70,15) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( X, Y ) ) }.
% 0.72/1.23  parent1[0]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 0.72/1.23    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := parallel_through_point( X, Y )
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (77) {G3,W8,D3,L2,V3,M2} R(75,5) { ! convergent_lines( Y, X )
% 0.72/1.23    , convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.23  parent0: (3386) {G1,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 0.72/1.23    parallel_through_point( X, Y ) ), ! convergent_lines( X, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3388) {G1,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.23  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.23    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.23  parent1[1]: (17) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), 
% 0.72/1.23    unorthogonal_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := orthogonal_through_point( X, Y )
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (81) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.23  parent0: (3388) {G1,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3389) {G1,W8,D3,L2,V3,M2}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), Z ), convergent_lines( X, Z ) }.
% 0.72/1.23  parent0[2]: (5) {G0,W9,D2,L3,V3,M3} I { convergent_lines( X, Z ), 
% 0.72/1.23    convergent_lines( Y, Z ), ! convergent_lines( X, Y ) }.
% 0.72/1.23  parent1[0]: (81) {G1,W5,D3,L1,V2,M1} R(17,23) { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := orthogonal_through_point( X, Y )
% 0.72/1.23     Y := X
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (109) {G2,W8,D3,L2,V3,M2} R(81,5) { convergent_lines( X, Z ), 
% 0.72/1.23    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  parent0: (3389) {G1,W8,D3,L2,V3,M2}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), Z ), convergent_lines( X, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3390) {G1,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.23    distinct_lines( Y, X ) }.
% 0.72/1.23  parent0[1]: (14) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! 
% 0.72/1.23    distinct_lines( X, Y ) }.
% 0.72/1.23  parent1[1]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 0.72/1.23    distinct_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (110) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y )
% 0.72/1.23    , ! distinct_lines( Y, X ) }.
% 0.72/1.23  parent0: (3390) {G1,W6,D2,L2,V2,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.23    distinct_lines( Y, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3391) {G1,W12,D2,L4,V4,M4}  { distinct_lines( X, Y ), 
% 0.72/1.23    apart_point_and_line( Z, Y ), distinct_lines( T, X ), ! 
% 0.72/1.23    apart_point_and_line( Z, T ) }.
% 0.72/1.23  parent0[2]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.23    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.23  parent1[1]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.23    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := X
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := T
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (131) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 0.72/1.23    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 0.72/1.23    apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent0: (3391) {G1,W12,D2,L4,V4,M4}  { distinct_lines( X, Y ), 
% 0.72/1.23    apart_point_and_line( Z, Y ), distinct_lines( T, X ), ! 
% 0.72/1.23    apart_point_and_line( Z, T ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := T
% 0.72/1.23     Z := Z
% 0.72/1.23     T := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 2
% 0.72/1.23     2 ==> 0
% 0.72/1.23     3 ==> 3
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3393) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 0.72/1.23    parallel_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 0.72/1.23  parent0[0]: (16) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.23    parallel_through_point( Y, X ) ) }.
% 0.72/1.23  parent1[1]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.23    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := parallel_through_point( Y, X )
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (141) {G1,W8,D3,L2,V3,M1} R(12,16) { distinct_lines( X, 
% 0.72/1.23    parallel_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent0: (3393) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 0.72/1.23    parallel_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3394) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 0.72/1.23    orthogonal_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 0.72/1.23  parent0[0]: (24) {G0,W5,D3,L1,V2,M1} I { ! apart_point_and_line( X, 
% 0.72/1.23    orthogonal_through_point( Y, X ) ) }.
% 0.72/1.23  parent1[1]: (12) {G0,W9,D2,L3,V3,M2} I { distinct_lines( Y, Z ), 
% 0.72/1.23    apart_point_and_line( X, Z ), ! apart_point_and_line( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := orthogonal_through_point( Y, X )
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (142) {G1,W8,D3,L2,V3,M1} R(12,24) { distinct_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent0: (3394) {G1,W8,D3,L2,V3,M2}  { distinct_lines( Z, 
% 0.72/1.23    orthogonal_through_point( Y, X ) ), ! apart_point_and_line( X, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3396) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), ! 
% 0.72/1.23    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 0.72/1.23    unorthogonal_lines( Z, Y ) }.
% 0.72/1.23  parent0[1]: (20) {G0,W6,D2,L2,V2,M1} I { convergent_lines( X, Y ), ! alpha1
% 0.72/1.23    ( X, Y ) }.
% 0.72/1.23  parent1[3]: (19) {G0,W12,D2,L4,V3,M1} I { ! convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, Y ), unorthogonal_lines( Y, Z ), alpha1( X, Z )
% 0.72/1.23     }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (167) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y
% 0.72/1.23     ), convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 0.72/1.23    unorthogonal_lines( Y, Z ) }.
% 0.72/1.23  parent0: (3396) {G1,W12,D2,L4,V3,M4}  { convergent_lines( X, Y ), ! 
% 0.72/1.23    convergent_lines( X, Z ), ! unorthogonal_lines( X, Z ), 
% 0.72/1.23    unorthogonal_lines( Z, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 0
% 0.72/1.23     2 ==> 2
% 0.72/1.23     3 ==> 3
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3397) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( orthogonal_through_point( X, Z ), Y ) }.
% 0.72/1.23  parent0[0]: (70) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  parent1[0]: (109) {G2,W8,D3,L2,V3,M2} R(81,5) { convergent_lines( X, Z ), 
% 0.72/1.23    convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (183) {G3,W8,D3,L2,V3,M2} R(109,70) { convergent_lines( Z, X )
% 0.72/1.23    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  parent0: (3397) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( orthogonal_through_point( X, Z ), Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3400) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 0.72/1.23    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ) }.
% 0.72/1.23  parent0[0]: (70) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  parent1[1]: (183) {G3,W8,D3,L2,V3,M2} R(109,70) { convergent_lines( Z, X )
% 0.72/1.23    , convergent_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := orthogonal_through_point( X, Y )
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (200) {G4,W8,D3,L2,V3,M2} R(183,70) { convergent_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 0.72/1.23  parent0: (3400) {G2,W8,D3,L2,V3,M2}  { convergent_lines( Z, 
% 0.72/1.23    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3401) {G1,W7,D4,L1,V3,M1}  { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.23  parent0[0]: (15) {G0,W5,D3,L1,V2,M1} I { ! convergent_lines( 
% 0.72/1.23    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.23  parent1[1]: (77) {G3,W8,D3,L2,V3,M2} R(75,5) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := parallel_through_point( X, Y )
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := parallel_through_point( parallel_through_point( X, Y ), Z )
% 0.72/1.23     Y := X
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (232) {G4,W7,D4,L1,V3,M1} R(77,15) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.23  parent0: (3401) {G1,W7,D4,L1,V3,M1}  { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3402) {G2,W7,D4,L1,V3,M1}  { ! convergent_lines( 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.23  parent0[0]: (232) {G4,W7,D4,L1,V3,M1} R(77,15) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ) ) }.
% 0.72/1.23  parent1[1]: (70) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := parallel_through_point( parallel_through_point( X, Y ), Z )
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (243) {G5,W7,D4,L1,V3,M1} R(232,70) { ! convergent_lines( 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.23  parent0: (3402) {G2,W7,D4,L1,V3,M1}  { ! convergent_lines( 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3403) {G4,W9,D5,L1,V4,M1}  { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.23    , Y ), Z ), T ) ) }.
% 0.72/1.23  parent0[0]: (243) {G5,W7,D4,L1,V3,M1} R(232,70) { ! convergent_lines( 
% 0.72/1.23    parallel_through_point( parallel_through_point( X, Y ), Z ), X ) }.
% 0.72/1.23  parent1[1]: (77) {G3,W8,D3,L2,V3,M2} R(75,5) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := parallel_through_point( X, Y )
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := T
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := parallel_through_point( parallel_through_point( 
% 0.72/1.23    parallel_through_point( X, Y ), Z ), T )
% 0.72/1.23     Y := X
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (246) {G6,W9,D5,L1,V4,M1} R(243,77) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.23    , Y ), Z ), T ) ) }.
% 0.72/1.23  parent0: (3403) {G4,W9,D5,L1,V4,M1}  { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.23    , Y ), Z ), T ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23     T := T
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3405) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, X ), 
% 0.72/1.23    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.23    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.23  parent1[2]: (31) {G0,W9,D2,L3,V3,M2} I { ! convergent_lines( X, Y ), 
% 0.72/1.23    unorthogonal_lines( Z, X ), unorthogonal_lines( Z, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := X
% 0.72/1.23     Z := orthogonal_through_point( X, Y )
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (258) {G1,W8,D3,L2,V3,M1} R(31,23) { ! convergent_lines( X, Y
% 0.72/1.23     ), unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 0.72/1.23  parent0: (3405) {G1,W8,D3,L2,V3,M2}  { ! convergent_lines( Z, X ), 
% 0.72/1.23    unorthogonal_lines( orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3406) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), distinct_lines( T, U ), 
% 0.72/1.23    distinct_lines( U, X ), ! apart_point_and_line( Z, T ) }.
% 0.72/1.23  parent0[1]: (142) {G1,W8,D3,L2,V3,M1} R(12,24) { distinct_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent1[2]: (131) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 0.72/1.23    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 0.72/1.23    apart_point_and_line( Z, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := T
% 0.72/1.23     Y := U
% 0.72/1.23     Z := Z
% 0.72/1.23     T := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2390) {G2,W14,D3,L4,V5,M1} R(131,142) { distinct_lines( X, Y
% 0.72/1.23     ), distinct_lines( Y, Z ), distinct_lines( Z, orthogonal_through_point( 
% 0.72/1.23    U, T ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.23  parent0: (3406) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), distinct_lines( T, U ), 
% 0.72/1.23    distinct_lines( U, X ), ! apart_point_and_line( Z, T ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := U
% 0.72/1.23     Z := T
% 0.72/1.23     T := X
% 0.72/1.23     U := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 2
% 0.72/1.23     1 ==> 0
% 0.72/1.23     2 ==> 1
% 0.72/1.23     3 ==> 3
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3411) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 0.72/1.23    parallel_through_point( Y, Z ) ), distinct_lines( T, U ), distinct_lines
% 0.72/1.23    ( U, X ), ! apart_point_and_line( Z, T ) }.
% 0.72/1.23  parent0[1]: (141) {G1,W8,D3,L2,V3,M1} R(12,16) { distinct_lines( X, 
% 0.72/1.23    parallel_through_point( Y, Z ) ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent1[2]: (131) {G1,W12,D2,L4,V4,M2} R(12,12) { distinct_lines( X, Y ), 
% 0.72/1.23    distinct_lines( Y, T ), apart_point_and_line( Z, T ), ! 
% 0.72/1.23    apart_point_and_line( Z, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := T
% 0.72/1.23     Y := U
% 0.72/1.23     Z := Z
% 0.72/1.23     T := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2391) {G2,W14,D3,L4,V5,M1} R(131,141) { distinct_lines( X, Y
% 0.72/1.23     ), distinct_lines( Y, Z ), distinct_lines( Z, parallel_through_point( U
% 0.72/1.23    , T ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.23  parent0: (3411) {G2,W14,D3,L4,V5,M4}  { distinct_lines( X, 
% 0.72/1.23    parallel_through_point( Y, Z ) ), distinct_lines( T, U ), distinct_lines
% 0.72/1.23    ( U, X ), ! apart_point_and_line( Z, T ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := U
% 0.72/1.23     Z := T
% 0.72/1.23     T := X
% 0.72/1.23     U := Y
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 2
% 0.72/1.23     1 ==> 0
% 0.72/1.23     2 ==> 1
% 0.72/1.23     3 ==> 3
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  factor: (3417) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 0.72/1.23    parallel_through_point( Y, Z ) ), distinct_lines( parallel_through_point
% 0.72/1.23    ( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent0[0, 2]: (2391) {G2,W14,D3,L4,V5,M1} R(131,141) { distinct_lines( X, 
% 0.72/1.23    Y ), distinct_lines( Y, Z ), distinct_lines( Z, parallel_through_point( U
% 0.72/1.23    , T ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := parallel_through_point( Y, Z )
% 0.72/1.23     Z := X
% 0.72/1.23     T := Z
% 0.72/1.23     U := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3423) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, Z ), X ), distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent0[0]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 0.72/1.23    distinct_lines( X, Y ) }.
% 0.72/1.23  parent1[0]: (3417) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 0.72/1.23    parallel_through_point( Y, Z ) ), distinct_lines( parallel_through_point
% 0.72/1.23    ( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := parallel_through_point( Y, Z )
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  factor: (3425) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 0.72/1.23    parallel_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 0.72/1.23  parent0[0, 1]: (3423) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, Z ), X ), distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := X
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2399) {G3,W8,D3,L2,V3,M1} F(2391);r(56) { distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent0: (3425) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 0.72/1.23    parallel_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  factor: (3428) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent0[0, 2]: (2390) {G2,W14,D3,L4,V5,M1} R(131,142) { distinct_lines( X, 
% 0.72/1.23    Y ), distinct_lines( Y, Z ), distinct_lines( Z, orthogonal_through_point
% 0.72/1.23    ( U, T ) ), ! apart_point_and_line( T, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := orthogonal_through_point( Y, Z )
% 0.72/1.23     Z := X
% 0.72/1.23     T := Z
% 0.72/1.23     U := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3434) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, Z ), X ), distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent0[0]: (56) {G1,W6,D2,L2,V2,M2} R(4,1) { ! distinct_lines( Y, X ), 
% 0.72/1.23    distinct_lines( X, Y ) }.
% 0.72/1.23  parent1[0]: (3428) {G2,W13,D3,L3,V3,M3}  { distinct_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := orthogonal_through_point( Y, Z )
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  factor: (3436) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 0.72/1.23  parent0[0, 1]: (3434) {G2,W13,D3,L3,V3,M3}  { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, Z ), X ), distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := X
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2400) {G3,W8,D3,L2,V3,M1} F(2390);r(56) { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent0: (3436) {G2,W8,D3,L2,V3,M2}  { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), Z ), ! apart_point_and_line( Y, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3439) {G1,W8,D3,L2,V1,M2}  { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.23    skol1, skol2 ) }.
% 0.72/1.23  parent0[1]: (2400) {G3,W8,D3,L2,V3,M1} F(2390);r(56) { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent1[1]: (48) {G0,W6,D2,L2,V0,M1} I { apart_point_and_line( skol1, skol2
% 0.72/1.23     ), apart_point_and_line( skol1, skol3 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := skol3
% 0.72/1.23     Y := X
% 0.72/1.23     Z := skol1
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2421) {G4,W8,D3,L2,V1,M1} R(2400,48) { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.23    skol1, skol2 ) }.
% 0.72/1.23  parent0: (3439) {G1,W8,D3,L2,V1,M2}  { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.23    skol1, skol2 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3440) {G4,W10,D3,L2,V2,M2}  { distinct_lines( 
% 0.72/1.23    parallel_through_point( X, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, skol1 ), skol3 ) }.
% 0.72/1.23  parent0[1]: (2399) {G3,W8,D3,L2,V3,M1} F(2391);r(56) { distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, Z ), X ), ! apart_point_and_line( Z, X ) }.
% 0.72/1.23  parent1[1]: (2421) {G4,W8,D3,L2,V1,M1} R(2400,48) { distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ), apart_point_and_line( 
% 0.72/1.23    skol1, skol2 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := skol2
% 0.72/1.23     Y := X
% 0.72/1.23     Z := skol1
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2456) {G5,W10,D3,L2,V2,M1} R(2421,2399) { distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.23  parent0: (3440) {G4,W10,D3,L2,V2,M2}  { distinct_lines( 
% 0.72/1.23    parallel_through_point( X, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.23    orthogonal_through_point( Y, skol1 ), skol3 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3442) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol3, 
% 0.72/1.23    orthogonal_through_point( X, skol1 ) ), distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, skol1 ), skol2 ) }.
% 0.72/1.23  parent0[1]: (110) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), 
% 0.72/1.23    ! distinct_lines( Y, X ) }.
% 0.72/1.23  parent1[1]: (2456) {G5,W10,D3,L2,V2,M1} R(2421,2399) { distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, skol1 ), skol2 ), distinct_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := skol3
% 0.72/1.23     Y := orthogonal_through_point( X, skol1 )
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2793) {G6,W10,D3,L2,V2,M1} R(2456,110) { convergent_lines( 
% 0.72/1.23    skol3, orthogonal_through_point( Y, skol1 ) ), distinct_lines( 
% 0.72/1.23    parallel_through_point( X, skol1 ), skol2 ) }.
% 0.72/1.23  parent0: (3442) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol3, 
% 0.72/1.23    orthogonal_through_point( X, skol1 ) ), distinct_lines( 
% 0.72/1.23    parallel_through_point( Y, skol1 ), skol2 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3443) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol2, 
% 0.72/1.23    parallel_through_point( X, skol1 ) ), convergent_lines( skol3, 
% 0.72/1.23    orthogonal_through_point( Y, skol1 ) ) }.
% 0.72/1.23  parent0[1]: (110) {G2,W6,D2,L2,V2,M1} R(14,56) { convergent_lines( X, Y ), 
% 0.72/1.23    ! distinct_lines( Y, X ) }.
% 0.72/1.23  parent1[1]: (2793) {G6,W10,D3,L2,V2,M1} R(2456,110) { convergent_lines( 
% 0.72/1.23    skol3, orthogonal_through_point( Y, skol1 ) ), distinct_lines( 
% 0.72/1.23    parallel_through_point( X, skol1 ), skol2 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := skol2
% 0.72/1.23     Y := parallel_through_point( X, skol1 )
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2811) {G7,W10,D3,L2,V2,M1} R(2793,110) { convergent_lines( 
% 0.72/1.23    skol3, orthogonal_through_point( X, skol1 ) ), convergent_lines( skol2, 
% 0.72/1.23    parallel_through_point( Y, skol1 ) ) }.
% 0.72/1.23  parent0: (3443) {G3,W10,D3,L2,V2,M2}  { convergent_lines( skol2, 
% 0.72/1.23    parallel_through_point( X, skol1 ) ), convergent_lines( skol3, 
% 0.72/1.23    orthogonal_through_point( Y, skol1 ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3444) {G7,W5,D3,L1,V1,M1}  { convergent_lines( skol3, 
% 0.72/1.23    orthogonal_through_point( Z, skol1 ) ) }.
% 0.72/1.23  parent0[0]: (246) {G6,W9,D5,L1,V4,M1} R(243,77) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.23    , Y ), Z ), T ) ) }.
% 0.72/1.23  parent1[1]: (2811) {G7,W10,D3,L2,V2,M1} R(2793,110) { convergent_lines( 
% 0.72/1.23    skol3, orthogonal_through_point( X, skol1 ) ), convergent_lines( skol2, 
% 0.72/1.23    parallel_through_point( Y, skol1 ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := skol2
% 0.72/1.23     Y := X
% 0.72/1.23     Z := Y
% 0.72/1.23     T := skol1
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := parallel_through_point( parallel_through_point( skol2, X ), Y )
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2821) {G8,W5,D3,L1,V1,M1} R(2811,246) { convergent_lines( 
% 0.72/1.23    skol3, orthogonal_through_point( X, skol1 ) ) }.
% 0.72/1.23  parent0: (3444) {G7,W5,D3,L1,V1,M1}  { convergent_lines( skol3, 
% 0.72/1.23    orthogonal_through_point( Z, skol1 ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3445) {G2,W5,D3,L1,V1,M1}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.23  parent0[0]: (70) {G1,W6,D2,L2,V2,M2} R(5,2) { ! convergent_lines( Y, X ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  parent1[0]: (2821) {G8,W5,D3,L1,V1,M1} R(2811,246) { convergent_lines( 
% 0.72/1.23    skol3, orthogonal_through_point( X, skol1 ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := orthogonal_through_point( X, skol1 )
% 0.72/1.23     Y := skol3
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (2834) {G9,W5,D3,L1,V1,M1} R(2821,70) { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.23  parent0: (3445) {G2,W5,D3,L1,V1,M1}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3446) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( Z, 
% 0.72/1.23    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ), ! 
% 0.72/1.23    unorthogonal_lines( Z, orthogonal_through_point( X, Y ) ) }.
% 0.72/1.23  parent0[0]: (23) {G0,W5,D3,L1,V2,M1} I { ! unorthogonal_lines( 
% 0.72/1.23    orthogonal_through_point( Y, X ), Y ) }.
% 0.72/1.23  parent1[3]: (167) {G1,W12,D2,L4,V3,M2} R(19,20) { ! convergent_lines( X, Y
% 0.72/1.23     ), convergent_lines( X, Z ), ! unorthogonal_lines( X, Y ), 
% 0.72/1.23    unorthogonal_lines( Y, Z ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := Z
% 0.72/1.23     Y := orthogonal_through_point( X, Y )
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3447) {G2,W11,D3,L3,V3,M3}  { convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  parent0[0]: (3446) {G1,W13,D3,L3,V3,M3}  { ! convergent_lines( Z, 
% 0.72/1.23    orthogonal_through_point( X, Y ) ), convergent_lines( Z, X ), ! 
% 0.72/1.23    unorthogonal_lines( Z, orthogonal_through_point( X, Y ) ) }.
% 0.72/1.23  parent1[0]: (200) {G4,W8,D3,L2,V3,M2} R(183,70) { convergent_lines( X, 
% 0.72/1.23    orthogonal_through_point( Y, Z ) ), convergent_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := X
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  factor: (3448) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.23  parent0[0, 2]: (3447) {G2,W11,D3,L3,V3,M3}  { convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ), 
% 0.72/1.23    convergent_lines( X, Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (3103) {G5,W8,D3,L2,V3,M1} R(167,23);r(200) { convergent_lines
% 0.72/1.23    ( X, Y ), ! unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.23  parent0: (3448) {G2,W8,D3,L2,V3,M2}  { convergent_lines( X, Y ), ! 
% 0.72/1.23    unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23     1 ==> 1
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3449) {G2,W10,D3,L2,V4,M2}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), Z ), ! convergent_lines( 
% 0.72/1.23    orthogonal_through_point( Z, T ), X ) }.
% 0.72/1.23  parent0[1]: (3103) {G5,W8,D3,L2,V3,M1} R(167,23);r(200) { convergent_lines
% 0.72/1.23    ( X, Y ), ! unorthogonal_lines( X, orthogonal_through_point( Y, Z ) ) }.
% 0.72/1.23  parent1[1]: (258) {G1,W8,D3,L2,V3,M1} R(31,23) { ! convergent_lines( X, Y )
% 0.72/1.23    , unorthogonal_lines( orthogonal_through_point( Y, Z ), X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := orthogonal_through_point( X, Y )
% 0.72/1.23     Y := Z
% 0.72/1.23     Z := T
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := orthogonal_through_point( Z, T )
% 0.72/1.23     Y := X
% 0.72/1.23     Z := Y
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (3110) {G6,W10,D3,L2,V4,M2} R(3103,258) { ! convergent_lines( 
% 0.72/1.23    orthogonal_through_point( Z, T ), X ), convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  parent0: (3449) {G2,W10,D3,L2,V4,M2}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), Z ), ! convergent_lines( 
% 0.72/1.23    orthogonal_through_point( Z, T ), X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := X
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23     T := T
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 1
% 0.72/1.23     1 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3450) {G7,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( skol3, Y ), X ) }.
% 0.72/1.23  parent0[0]: (3110) {G6,W10,D3,L2,V4,M2} R(3103,258) { ! convergent_lines( 
% 0.72/1.23    orthogonal_through_point( Z, T ), X ), convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, Y ), Z ) }.
% 0.72/1.23  parent1[0]: (2834) {G9,W5,D3,L1,V1,M1} R(2821,70) { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( X, skol1 ), skol3 ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := skol3
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := X
% 0.72/1.23     T := skol1
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (3125) {G10,W5,D3,L1,V2,M1} R(3110,2834) { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( skol3, X ), Y ) }.
% 0.72/1.23  parent0: (3450) {G7,W5,D3,L1,V2,M1}  { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( skol3, Y ), X ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := Y
% 0.72/1.23     Y := X
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23     0 ==> 0
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  resolution: (3451) {G7,W0,D0,L0,V0,M0}  {  }.
% 0.72/1.23  parent0[0]: (246) {G6,W9,D5,L1,V4,M1} R(243,77) { ! convergent_lines( X, 
% 0.72/1.23    parallel_through_point( parallel_through_point( parallel_through_point( X
% 0.72/1.23    , Y ), Z ), T ) ) }.
% 0.72/1.23  parent1[0]: (3125) {G10,W5,D3,L1,V2,M1} R(3110,2834) { convergent_lines( 
% 0.72/1.23    orthogonal_through_point( skol3, X ), Y ) }.
% 0.72/1.23  substitution0:
% 0.72/1.23     X := orthogonal_through_point( skol3, X )
% 0.72/1.23     Y := Y
% 0.72/1.23     Z := Z
% 0.72/1.23     T := T
% 0.72/1.23  end
% 0.72/1.23  substitution1:
% 0.72/1.23     X := X
% 0.72/1.23     Y := parallel_through_point( parallel_through_point( 
% 0.72/1.23    parallel_through_point( orthogonal_through_point( skol3, X ), Y ), Z ), T
% 0.72/1.23     )
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  subsumption: (3208) {G11,W0,D0,L0,V0,M0} R(3125,246) {  }.
% 0.72/1.23  parent0: (3451) {G7,W0,D0,L0,V0,M0}  {  }.
% 0.72/1.23  substitution0:
% 0.72/1.23  end
% 0.72/1.23  permutation0:
% 0.72/1.23  end
% 0.72/1.23  
% 0.72/1.23  Proof check complete!
% 0.72/1.23  
% 0.72/1.23  Memory use:
% 0.72/1.23  
% 0.72/1.23  space for terms:        42316
% 0.72/1.23  space for clauses:      124918
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  clauses generated:      16763
% 0.72/1.23  clauses kept:           3209
% 0.72/1.23  clauses selected:       429
% 0.72/1.23  clauses deleted:        8
% 0.72/1.23  clauses inuse deleted:  7
% 0.72/1.23  
% 0.72/1.23  subsentry:          201770
% 0.72/1.23  literals s-matched: 92768
% 0.72/1.23  literals matched:   92698
% 0.72/1.23  full subsumption:   58266
% 0.72/1.23  
% 0.72/1.23  checksum:           818211123
% 0.72/1.23  
% 0.72/1.23  
% 0.72/1.23  Bliksem ended
%------------------------------------------------------------------------------