TSTP Solution File: GEO260+1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GEO260+1 : TPTP v8.1.0. Bugfixed v8.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n025.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 02:53:22 EDT 2022

% Result   : Theorem 0.72s 1.13s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GEO260+1 : TPTP v8.1.0. Bugfixed v8.1.0.
% 0.04/0.13  % Command  : bliksem %s
% 0.13/0.34  % Computer : n025.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 : Sat Jun 18 06:01:28 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.72/1.12  *** allocated 10000 integers for termspace/termends
% 0.72/1.12  *** allocated 10000 integers for clauses
% 0.72/1.12  *** allocated 10000 integers for justifications
% 0.72/1.12  Bliksem 1.12
% 0.72/1.12  
% 0.72/1.12  
% 0.72/1.12  Automatic Strategy Selection
% 0.72/1.12  
% 0.72/1.12  
% 0.72/1.12  Clauses:
% 0.72/1.12  
% 0.72/1.12  { ! apart_point_and_line( X, Y ), left_apart_point( X, Y ), 
% 0.72/1.12    left_apart_point( X, reverse_line( Y ) ) }.
% 0.72/1.12  { ! left_apart_point( X, Y ), apart_point_and_line( X, Y ) }.
% 0.72/1.12  { ! left_apart_point( X, reverse_line( Y ) ), apart_point_and_line( X, Y )
% 0.72/1.12     }.
% 0.72/1.12  { ! convergent_lines( X, Y ), unequally_directed_lines( X, Y ) }.
% 0.72/1.12  { ! convergent_lines( X, Y ), unequally_directed_lines( X, reverse_line( Y
% 0.72/1.12     ) ) }.
% 0.72/1.12  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.12    reverse_line( Y ) ), convergent_lines( X, Y ) }.
% 0.72/1.12  { ! divides_points( Z, X, Y ), alpha1( X, Y, Z ), alpha4( X, Y, Z ) }.
% 0.72/1.12  { ! alpha1( X, Y, Z ), divides_points( Z, X, Y ) }.
% 0.72/1.12  { ! alpha4( X, Y, Z ), divides_points( Z, X, Y ) }.
% 0.72/1.12  { ! alpha4( X, Y, Z ), left_apart_point( X, reverse_line( Z ) ) }.
% 0.72/1.12  { ! alpha4( X, Y, Z ), left_apart_point( Y, Z ) }.
% 0.72/1.12  { ! left_apart_point( X, reverse_line( Z ) ), ! left_apart_point( Y, Z ), 
% 0.72/1.12    alpha4( X, Y, Z ) }.
% 0.72/1.12  { ! alpha1( X, Y, Z ), left_apart_point( X, Z ) }.
% 0.72/1.12  { ! alpha1( X, Y, Z ), left_apart_point( Y, reverse_line( Z ) ) }.
% 0.72/1.12  { ! left_apart_point( X, Z ), ! left_apart_point( Y, reverse_line( Z ) ), 
% 0.72/1.12    alpha1( X, Y, Z ) }.
% 0.72/1.12  { ! before_on_line( X, Y, Z ), distinct_points( Y, Z ) }.
% 0.72/1.12  { ! before_on_line( X, Y, Z ), alpha7( X, Y, Z ) }.
% 0.72/1.12  { ! distinct_points( Y, Z ), ! alpha7( X, Y, Z ), before_on_line( X, Y, Z )
% 0.72/1.12     }.
% 0.72/1.12  { ! alpha7( X, Y, Z ), alpha2( X, Y ) }.
% 0.72/1.12  { ! alpha7( X, Y, Z ), alpha8( X, Y, Z ) }.
% 0.72/1.12  { ! alpha2( X, Y ), ! alpha8( X, Y, Z ), alpha7( X, Y, Z ) }.
% 0.72/1.12  { ! alpha8( X, Y, Z ), alpha5( X, Z ) }.
% 0.72/1.12  { ! alpha8( X, Y, Z ), ! unequally_directed_lines( X, line_connecting( Y, Z
% 0.72/1.12     ) ) }.
% 0.72/1.12  { ! alpha5( X, Z ), unequally_directed_lines( X, line_connecting( Y, Z ) )
% 0.72/1.12    , alpha8( X, Y, Z ) }.
% 0.72/1.12  { ! alpha5( X, Y ), ! left_apart_point( Y, X ) }.
% 0.72/1.12  { ! alpha5( X, Y ), ! left_apart_point( Y, reverse_line( X ) ) }.
% 0.72/1.12  { left_apart_point( Y, X ), left_apart_point( Y, reverse_line( X ) ), 
% 0.72/1.12    alpha5( X, Y ) }.
% 0.72/1.12  { ! alpha2( X, Y ), ! left_apart_point( Y, X ) }.
% 0.72/1.12  { ! alpha2( X, Y ), ! left_apart_point( Y, reverse_line( X ) ) }.
% 0.72/1.12  { left_apart_point( Y, X ), left_apart_point( Y, reverse_line( X ) ), 
% 0.72/1.12    alpha2( X, Y ) }.
% 0.72/1.12  { ! between_on_line( X, Y, Z, T ), alpha3( X, Y, Z, T ), alpha6( X, Y, Z, T
% 0.72/1.12     ) }.
% 0.72/1.12  { ! alpha3( X, Y, Z, T ), between_on_line( X, Y, Z, T ) }.
% 0.72/1.12  { ! alpha6( X, Y, Z, T ), between_on_line( X, Y, Z, T ) }.
% 0.72/1.12  { ! alpha6( X, Y, Z, T ), before_on_line( X, T, Z ) }.
% 0.72/1.12  { ! alpha6( X, Y, Z, T ), before_on_line( X, Z, Y ) }.
% 0.72/1.12  { ! before_on_line( X, T, Z ), ! before_on_line( X, Z, Y ), alpha6( X, Y, Z
% 0.72/1.12    , T ) }.
% 0.72/1.12  { ! alpha3( X, Y, Z, T ), before_on_line( X, Y, Z ) }.
% 0.72/1.12  { ! alpha3( X, Y, Z, T ), before_on_line( X, Z, T ) }.
% 0.72/1.12  { ! before_on_line( X, Y, Z ), ! before_on_line( X, Z, T ), alpha3( X, Y, Z
% 0.72/1.12    , T ) }.
% 0.72/1.12  { ! distinct_points( X, X ) }.
% 0.72/1.12  { ! distinct_points( X, Y ), distinct_points( X, Z ), distinct_points( Y, Z
% 0.72/1.12     ) }.
% 0.72/1.12  { ! distinct_lines( X, X ) }.
% 0.72/1.12  { ! distinct_lines( X, Y ), distinct_lines( X, Z ), distinct_lines( Y, Z )
% 0.72/1.12     }.
% 0.72/1.12  { ! unequally_directed_lines( X, X ) }.
% 0.72/1.12  { ! unequally_directed_lines( X, Y ), unequally_directed_lines( X, Z ), 
% 0.72/1.12    unequally_directed_lines( Y, Z ) }.
% 0.72/1.12  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.12    reverse_line( Y ) ), alpha9( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.72/1.12  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.12    reverse_line( Y ) ), alpha9( X, Z ), unequally_directed_lines( Y, 
% 0.72/1.12    reverse_line( Z ) ) }.
% 0.72/1.12  { ! alpha9( X, Y ), unequally_directed_lines( X, Y ) }.
% 0.72/1.12  { ! alpha9( X, Y ), unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.72/1.12  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.12    reverse_line( Y ) ), alpha9( X, Y ) }.
% 0.72/1.12  { ! line( X ), ! line( Y ), unequally_directed_lines( X, Y ), 
% 0.72/1.12    unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.72/1.12  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.12    reverse_line( Y ) ), left_convergent_lines( X, Y ), left_convergent_lines
% 0.72/1.12    ( X, reverse_line( Y ) ) }.
% 0.72/1.13  { ! left_apart_point( X, Y ) }.
% 0.72/1.13  { ! left_apart_point( X, reverse_line( Y ) ) }.
% 0.72/1.13  { ! left_convergent_lines( X, Y ) }.
% 0.72/1.13  { ! left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.72/1.13  { ! point( X ), ! point( Y ), ! distinct_points( X, Y ), line( 
% 0.72/1.13    line_connecting( X, Y ) ) }.
% 0.72/1.13  { ! line( X ), ! line( Y ), ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), point( 
% 0.72/1.13    intersection_point( X, Y ) ) }.
% 0.72/1.13  { ! point( Y ), ! line( X ), line( parallel_through_point( X, Y ) ) }.
% 0.72/1.13  { ! line( X ), line( reverse_line( X ) ) }.
% 0.72/1.13  { ! distinct_points( X, Y ), ! apart_point_and_line( X, line_connecting( X
% 0.72/1.13    , Y ) ) }.
% 0.72/1.13  { ! distinct_points( X, Y ), ! apart_point_and_line( Y, line_connecting( X
% 0.72/1.13    , Y ) ) }.
% 0.72/1.13  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.13    reverse_line( Y ) ), ! apart_point_and_line( intersection_point( X, Y ), 
% 0.72/1.13    X ) }.
% 0.72/1.13  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.13    reverse_line( Y ) ), ! apart_point_and_line( intersection_point( X, Y ), 
% 0.72/1.13    Y ) }.
% 0.72/1.13  { ! apart_point_and_line( X, parallel_through_point( Y, X ) ) }.
% 0.72/1.13  { ! distinct_lines( X, reverse_line( X ) ) }.
% 0.72/1.13  { ! unequally_directed_lines( line_connecting( X, Y ), reverse_line( 
% 0.72/1.13    line_connecting( Y, X ) ) ) }.
% 0.72/1.13  { ! unequally_directed_lines( parallel_through_point( Y, X ), Y ) }.
% 0.72/1.13  { ! distinct_points( X, Y ), ! distinct_lines( Z, T ), left_apart_point( X
% 0.72/1.13    , Z ), left_apart_point( Y, Z ), left_apart_point( X, T ), 
% 0.72/1.13    left_apart_point( Y, T ), left_apart_point( X, reverse_line( Z ) ), 
% 0.72/1.13    left_apart_point( Y, reverse_line( Z ) ), left_apart_point( X, 
% 0.72/1.13    reverse_line( T ) ), left_apart_point( Y, reverse_line( T ) ) }.
% 0.72/1.13  { ! distinct_points( X, Y ), ! left_apart_point( X, Z ), left_apart_point( 
% 0.72/1.13    Y, Z ), left_convergent_lines( line_connecting( X, Y ), Z ) }.
% 0.72/1.13  { ! left_apart_point( X, Y ), distinct_points( X, Z ), left_apart_point( Z
% 0.72/1.13    , Y ) }.
% 0.72/1.13  { ! left_apart_point( X, Y ), ! unequally_directed_lines( Y, Z ), 
% 0.72/1.13    distinct_lines( Y, Z ), left_apart_point( X, reverse_line( Z ) ) }.
% 0.72/1.13  { ! left_convergent_lines( X, Y ), unequally_directed_lines( Y, Z ), 
% 0.72/1.13    left_convergent_lines( X, Z ) }.
% 0.72/1.13  { line( skol1 ) }.
% 0.72/1.13  { distinct_points( skol2, skol4 ) }.
% 0.72/1.13  { distinct_points( skol3, skol4 ) }.
% 0.72/1.13  { distinct_points( skol2, skol3 ) }.
% 0.72/1.13  { between_on_line( skol1, skol2, skol3, skol4 ) }.
% 0.72/1.13  { between_on_line( skol1, skol2, skol4, skol3 ) }.
% 0.72/1.13  
% 0.72/1.13  percentage equality = 0.000000, percentage horn = 0.808219
% 0.72/1.13  This a non-horn, non-equality problem
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  Options Used:
% 0.72/1.13  
% 0.72/1.13  useres =            1
% 0.72/1.13  useparamod =        0
% 0.72/1.13  useeqrefl =         0
% 0.72/1.13  useeqfact =         0
% 0.72/1.13  usefactor =         1
% 0.72/1.13  usesimpsplitting =  0
% 0.72/1.13  usesimpdemod =      0
% 0.72/1.13  usesimpres =        3
% 0.72/1.13  
% 0.72/1.13  resimpinuse      =  1000
% 0.72/1.13  resimpclauses =     20000
% 0.72/1.13  substype =          standard
% 0.72/1.13  backwardsubs =      1
% 0.72/1.13  selectoldest =      5
% 0.72/1.13  
% 0.72/1.13  litorderings [0] =  split
% 0.72/1.13  litorderings [1] =  liftord
% 0.72/1.13  
% 0.72/1.13  termordering =      none
% 0.72/1.13  
% 0.72/1.13  litapriori =        1
% 0.72/1.13  termapriori =       0
% 0.72/1.13  litaposteriori =    0
% 0.72/1.13  termaposteriori =   0
% 0.72/1.13  demodaposteriori =  0
% 0.72/1.13  ordereqreflfact =   0
% 0.72/1.13  
% 0.72/1.13  litselect =         none
% 0.72/1.13  
% 0.72/1.13  maxweight =         15
% 0.72/1.13  maxdepth =          30000
% 0.72/1.13  maxlength =         115
% 0.72/1.13  maxnrvars =         195
% 0.72/1.13  excuselevel =       1
% 0.72/1.13  increasemaxweight = 1
% 0.72/1.13  
% 0.72/1.13  maxselected =       10000000
% 0.72/1.13  maxnrclauses =      10000000
% 0.72/1.13  
% 0.72/1.13  showgenerated =    0
% 0.72/1.13  showkept =         0
% 0.72/1.13  showselected =     0
% 0.72/1.13  showdeleted =      0
% 0.72/1.13  showresimp =       1
% 0.72/1.13  showstatus =       2000
% 0.72/1.13  
% 0.72/1.13  prologoutput =     0
% 0.72/1.13  nrgoals =          5000000
% 0.72/1.13  totalproof =       1
% 0.72/1.13  
% 0.72/1.13  Symbols occurring in the translation:
% 0.72/1.13  
% 0.72/1.13  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.13  .  [1, 2]      (w:1, o:24, a:1, s:1, b:0), 
% 0.72/1.13  !  [4, 1]      (w:0, o:16, a:1, s:1, b:0), 
% 0.72/1.13  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.13  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.13  apart_point_and_line  [37, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.72/1.13  left_apart_point  [38, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.72/1.13  reverse_line  [39, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.72/1.13  convergent_lines  [41, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 0.72/1.13  unequally_directed_lines  [42, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.72/1.13  divides_points  [44, 3]      (w:1, o:61, a:1, s:1, b:0), 
% 0.72/1.13  before_on_line  [45, 3]      (w:1, o:66, a:1, s:1, b:0), 
% 0.72/1.13  distinct_points  [46, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.72/1.13  line_connecting  [47, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.72/1.13  between_on_line  [49, 4]      (w:1, o:69, a:1, s:1, b:0), 
% 0.72/1.13  distinct_lines  [50, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.72/1.13  line  [52, 1]      (w:1, o:22, a:1, s:1, b:0), 
% 0.72/1.13  left_convergent_lines  [53, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 0.72/1.13  point  [54, 1]      (w:1, o:23, a:1, s:1, b:0), 
% 0.72/1.13  intersection_point  [55, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 0.72/1.13  parallel_through_point  [56, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 0.72/1.13  alpha1  [57, 3]      (w:1, o:62, a:1, s:1, b:0), 
% 0.72/1.13  alpha2  [58, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 0.72/1.13  alpha3  [59, 4]      (w:1, o:67, a:1, s:1, b:0), 
% 0.72/1.13  alpha4  [60, 3]      (w:1, o:63, a:1, s:1, b:0), 
% 0.72/1.13  alpha5  [61, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 0.72/1.13  alpha6  [62, 4]      (w:1, o:68, a:1, s:1, b:0), 
% 0.72/1.13  alpha7  [63, 3]      (w:1, o:64, a:1, s:1, b:0), 
% 0.72/1.13  alpha8  [64, 3]      (w:1, o:65, a:1, s:1, b:0), 
% 0.72/1.13  alpha9  [65, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 0.72/1.13  skol1  [66, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 0.72/1.13  skol2  [67, 0]      (w:1, o:13, a:1, s:1, b:0), 
% 0.72/1.13  skol3  [68, 0]      (w:1, o:14, a:1, s:1, b:0), 
% 0.72/1.13  skol4  [69, 0]      (w:1, o:15, a:1, s:1, b:0).
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  Starting Search:
% 0.72/1.13  
% 0.72/1.13  *** allocated 15000 integers for clauses
% 0.72/1.13  *** allocated 22500 integers for clauses
% 0.72/1.13  *** allocated 33750 integers for clauses
% 0.72/1.13  
% 0.72/1.13  Bliksems!, er is een bewijs:
% 0.72/1.13  % SZS status Theorem
% 0.72/1.13  % SZS output start Refutation
% 0.72/1.13  
% 0.72/1.13  (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X ) }.
% 0.72/1.13  (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.72/1.13    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.72/1.13  (50) {G0,W11,D3,L4,V2,M2} I { ! line( X ), ! line( Y ), 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.72/1.13    unequally_directed_lines( X, Y ) }.
% 0.72/1.13  (51) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines( 
% 0.72/1.13    X, reverse_line( Y ) ), left_convergent_lines( X, Y ) }.
% 0.72/1.13  (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y ) }.
% 0.72/1.13  (57) {G0,W5,D3,L2,V1,M2} I { line( reverse_line( X ) ), ! line( X ) }.
% 0.72/1.13  (64) {G0,W8,D4,L1,V2,M1} I { ! unequally_directed_lines( line_connecting( X
% 0.72/1.13    , Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.72/1.13  (65) {G0,W5,D3,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.72/1.13    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.13  (67) {G0,W2,D2,L1,V0,M1} I { line( skol1 ) }.
% 0.72/1.13  (75) {G1,W6,D3,L2,V1,M1} F(50);r(43) { ! line( X ), 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.72/1.13  (77) {G1,W6,D4,L2,V1,M2} R(57,57) { line( reverse_line( reverse_line( X ) )
% 0.72/1.13     ), ! line( X ) }.
% 0.72/1.13  (78) {G1,W3,D3,L1,V0,M1} R(57,67) { line( reverse_line( skol1 ) ) }.
% 0.72/1.13  (79) {G2,W4,D4,L1,V0,M1} R(78,57) { line( reverse_line( reverse_line( skol1
% 0.72/1.13     ) ) ) }.
% 0.72/1.13  (82) {G3,W5,D5,L1,V0,M1} R(79,57) { line( reverse_line( reverse_line( 
% 0.72/1.13    reverse_line( skol1 ) ) ) ) }.
% 0.72/1.13  (83) {G4,W6,D6,L1,V0,M1} R(82,57) { line( reverse_line( reverse_line( 
% 0.72/1.13    reverse_line( reverse_line( skol1 ) ) ) ) ) }.
% 0.72/1.13  (92) {G5,W8,D8,L1,V0,M1} R(83,77) { line( reverse_line( reverse_line( 
% 0.72/1.13    reverse_line( reverse_line( reverse_line( reverse_line( skol1 ) ) ) ) ) )
% 0.72/1.13     ) }.
% 0.72/1.13  (122) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines( Y, X ), 
% 0.72/1.13    unequally_directed_lines( X, Y ) }.
% 0.72/1.13  (133) {G2,W5,D3,L1,V2,M1} R(122,65) { ! unequally_directed_lines( X, 
% 0.72/1.13    parallel_through_point( X, Y ) ) }.
% 0.72/1.13  (134) {G3,W8,D3,L2,V3,M2} R(133,44) { ! unequally_directed_lines( Y, X ), 
% 0.72/1.13    unequally_directed_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.13  (152) {G4,W8,D3,L2,V2,M1} R(134,75) { ! line( X ), unequally_directed_lines
% 0.72/1.13    ( reverse_line( X ), parallel_through_point( X, Y ) ) }.
% 0.72/1.13  (379) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! unequally_directed_lines( X
% 0.72/1.13    , reverse_line( Y ) ), ! unequally_directed_lines( X, Y ) }.
% 0.72/1.13  (409) {G2,W7,D3,L2,V2,M2} R(379,122) { ! unequally_directed_lines( Y, X ), 
% 0.72/1.13    ! unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.72/1.13  (479) {G3,W10,D3,L3,V3,M3} R(409,44) { unequally_directed_lines( Z, 
% 0.72/1.13    reverse_line( X ) ), ! unequally_directed_lines( Z, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, Y ) }.
% 0.72/1.13  (480) {G4,W7,D3,L2,V2,M2} F(479) { ! unequally_directed_lines( X, Y ), 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.72/1.13  (499) {G5,W5,D3,L1,V2,M1} R(480,64) { ! unequally_directed_lines( 
% 0.72/1.13    line_connecting( X, X ), Y ) }.
% 0.72/1.13  (504) {G6,W5,D3,L1,V2,M1} R(499,134) { ! unequally_directed_lines( X, 
% 0.72/1.13    line_connecting( Y, Y ) ) }.
% 0.72/1.13  (505) {G7,W3,D2,L1,V2,M1} R(504,44);r(504) { ! unequally_directed_lines( Z
% 0.72/1.13    , X ) }.
% 0.72/1.13  (507) {G8,W2,D2,L1,V1,M1} R(505,152) { ! line( X ) }.
% 0.72/1.13  (508) {G9,W0,D0,L0,V0,M0} R(507,92) {  }.
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  % SZS output end Refutation
% 0.72/1.13  found a proof!
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  Unprocessed initial clauses:
% 0.72/1.13  
% 0.72/1.13  (510) {G0,W10,D3,L3,V2,M3}  { ! apart_point_and_line( X, Y ), 
% 0.72/1.13    left_apart_point( X, Y ), left_apart_point( X, reverse_line( Y ) ) }.
% 0.72/1.13  (511) {G0,W6,D2,L2,V2,M2}  { ! left_apart_point( X, Y ), 
% 0.72/1.13    apart_point_and_line( X, Y ) }.
% 0.72/1.13  (512) {G0,W7,D3,L2,V2,M2}  { ! left_apart_point( X, reverse_line( Y ) ), 
% 0.72/1.13    apart_point_and_line( X, Y ) }.
% 0.72/1.13  (513) {G0,W6,D2,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.72/1.13    unequally_directed_lines( X, Y ) }.
% 0.72/1.13  (514) {G0,W7,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.72/1.13  (515) {G0,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), convergent_lines( X, Y
% 0.72/1.13     ) }.
% 0.72/1.13  (516) {G0,W12,D2,L3,V3,M3}  { ! divides_points( Z, X, Y ), alpha1( X, Y, Z
% 0.72/1.13     ), alpha4( X, Y, Z ) }.
% 0.72/1.13  (517) {G0,W8,D2,L2,V3,M2}  { ! alpha1( X, Y, Z ), divides_points( Z, X, Y )
% 0.72/1.13     }.
% 0.72/1.13  (518) {G0,W8,D2,L2,V3,M2}  { ! alpha4( X, Y, Z ), divides_points( Z, X, Y )
% 0.72/1.13     }.
% 0.72/1.13  (519) {G0,W8,D3,L2,V3,M2}  { ! alpha4( X, Y, Z ), left_apart_point( X, 
% 0.72/1.13    reverse_line( Z ) ) }.
% 0.72/1.13  (520) {G0,W7,D2,L2,V3,M2}  { ! alpha4( X, Y, Z ), left_apart_point( Y, Z )
% 0.72/1.13     }.
% 0.72/1.13  (521) {G0,W11,D3,L3,V3,M3}  { ! left_apart_point( X, reverse_line( Z ) ), !
% 0.72/1.13     left_apart_point( Y, Z ), alpha4( X, Y, Z ) }.
% 0.72/1.13  (522) {G0,W7,D2,L2,V3,M2}  { ! alpha1( X, Y, Z ), left_apart_point( X, Z )
% 0.72/1.13     }.
% 0.72/1.13  (523) {G0,W8,D3,L2,V3,M2}  { ! alpha1( X, Y, Z ), left_apart_point( Y, 
% 0.72/1.13    reverse_line( Z ) ) }.
% 0.72/1.13  (524) {G0,W11,D3,L3,V3,M3}  { ! left_apart_point( X, Z ), ! 
% 0.72/1.13    left_apart_point( Y, reverse_line( Z ) ), alpha1( X, Y, Z ) }.
% 0.72/1.13  (525) {G0,W7,D2,L2,V3,M2}  { ! before_on_line( X, Y, Z ), distinct_points( 
% 0.72/1.13    Y, Z ) }.
% 0.72/1.13  (526) {G0,W8,D2,L2,V3,M2}  { ! before_on_line( X, Y, Z ), alpha7( X, Y, Z )
% 0.72/1.13     }.
% 0.72/1.13  (527) {G0,W11,D2,L3,V3,M3}  { ! distinct_points( Y, Z ), ! alpha7( X, Y, Z
% 0.72/1.13     ), before_on_line( X, Y, Z ) }.
% 0.72/1.13  (528) {G0,W7,D2,L2,V3,M2}  { ! alpha7( X, Y, Z ), alpha2( X, Y ) }.
% 0.72/1.13  (529) {G0,W8,D2,L2,V3,M2}  { ! alpha7( X, Y, Z ), alpha8( X, Y, Z ) }.
% 0.72/1.13  (530) {G0,W11,D2,L3,V3,M3}  { ! alpha2( X, Y ), ! alpha8( X, Y, Z ), alpha7
% 0.72/1.13    ( X, Y, Z ) }.
% 0.72/1.13  (531) {G0,W7,D2,L2,V3,M2}  { ! alpha8( X, Y, Z ), alpha5( X, Z ) }.
% 0.72/1.13  (532) {G0,W9,D3,L2,V3,M2}  { ! alpha8( X, Y, Z ), ! 
% 0.72/1.13    unequally_directed_lines( X, line_connecting( Y, Z ) ) }.
% 0.72/1.13  (533) {G0,W12,D3,L3,V3,M3}  { ! alpha5( X, Z ), unequally_directed_lines( X
% 0.72/1.13    , line_connecting( Y, Z ) ), alpha8( X, Y, Z ) }.
% 0.72/1.13  (534) {G0,W6,D2,L2,V2,M2}  { ! alpha5( X, Y ), ! left_apart_point( Y, X )
% 0.72/1.13     }.
% 0.72/1.13  (535) {G0,W7,D3,L2,V2,M2}  { ! alpha5( X, Y ), ! left_apart_point( Y, 
% 0.72/1.13    reverse_line( X ) ) }.
% 0.72/1.13  (536) {G0,W10,D3,L3,V2,M3}  { left_apart_point( Y, X ), left_apart_point( Y
% 0.72/1.13    , reverse_line( X ) ), alpha5( X, Y ) }.
% 0.72/1.13  (537) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), ! left_apart_point( Y, X )
% 0.72/1.13     }.
% 0.72/1.13  (538) {G0,W7,D3,L2,V2,M2}  { ! alpha2( X, Y ), ! left_apart_point( Y, 
% 0.72/1.13    reverse_line( X ) ) }.
% 0.72/1.13  (539) {G0,W10,D3,L3,V2,M3}  { left_apart_point( Y, X ), left_apart_point( Y
% 0.72/1.13    , reverse_line( X ) ), alpha2( X, Y ) }.
% 0.72/1.13  (540) {G0,W15,D2,L3,V4,M3}  { ! between_on_line( X, Y, Z, T ), alpha3( X, Y
% 0.72/1.13    , Z, T ), alpha6( X, Y, Z, T ) }.
% 0.72/1.13  (541) {G0,W10,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), between_on_line( X, Y
% 0.72/1.13    , Z, T ) }.
% 0.72/1.13  (542) {G0,W10,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), between_on_line( X, Y
% 0.72/1.13    , Z, T ) }.
% 0.72/1.13  (543) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), before_on_line( X, T, 
% 0.72/1.13    Z ) }.
% 0.72/1.13  (544) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), before_on_line( X, Z, 
% 0.72/1.13    Y ) }.
% 0.72/1.13  (545) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, T, Z ), ! before_on_line
% 0.72/1.13    ( X, Z, Y ), alpha6( X, Y, Z, T ) }.
% 0.72/1.13  (546) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), before_on_line( X, Y, 
% 0.72/1.13    Z ) }.
% 0.72/1.13  (547) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), before_on_line( X, Z, 
% 0.72/1.13    T ) }.
% 0.72/1.13  (548) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, Y, Z ), ! before_on_line
% 0.72/1.13    ( X, Z, T ), alpha3( X, Y, Z, T ) }.
% 0.72/1.13  (549) {G0,W3,D2,L1,V1,M1}  { ! distinct_points( X, X ) }.
% 0.72/1.13  (550) {G0,W9,D2,L3,V3,M3}  { ! distinct_points( X, Y ), distinct_points( X
% 0.72/1.13    , Z ), distinct_points( Y, Z ) }.
% 0.72/1.13  (551) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 0.72/1.13  (552) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), distinct_lines( X, Z
% 0.72/1.13     ), distinct_lines( Y, Z ) }.
% 0.72/1.13  (553) {G0,W3,D2,L1,V1,M1}  { ! unequally_directed_lines( X, X ) }.
% 0.72/1.13  (554) {G0,W9,D2,L3,V3,M3}  { ! unequally_directed_lines( X, Y ), 
% 0.72/1.13    unequally_directed_lines( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.72/1.13  (555) {G0,W13,D3,L4,V3,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), alpha9( X, Z ), 
% 0.72/1.13    unequally_directed_lines( Y, Z ) }.
% 0.72/1.13  (556) {G0,W14,D3,L4,V3,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), alpha9( X, Z ), 
% 0.72/1.13    unequally_directed_lines( Y, reverse_line( Z ) ) }.
% 0.72/1.13  (557) {G0,W6,D2,L2,V2,M2}  { ! alpha9( X, Y ), unequally_directed_lines( X
% 0.72/1.13    , Y ) }.
% 0.72/1.13  (558) {G0,W7,D3,L2,V2,M2}  { ! alpha9( X, Y ), unequally_directed_lines( X
% 0.72/1.13    , reverse_line( Y ) ) }.
% 0.72/1.13  (559) {G0,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), alpha9( X, Y ) }.
% 0.72/1.13  (560) {G0,W11,D3,L4,V2,M4}  { ! line( X ), ! line( Y ), 
% 0.72/1.13    unequally_directed_lines( X, Y ), unequally_directed_lines( X, 
% 0.72/1.13    reverse_line( Y ) ) }.
% 0.72/1.13  (561) {G0,W14,D3,L4,V2,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines( 
% 0.72/1.13    X, Y ), left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.72/1.13  (562) {G0,W3,D2,L1,V2,M1}  { ! left_apart_point( X, Y ) }.
% 0.72/1.13  (563) {G0,W4,D3,L1,V2,M1}  { ! left_apart_point( X, reverse_line( Y ) ) }.
% 0.72/1.13  (564) {G0,W3,D2,L1,V2,M1}  { ! left_convergent_lines( X, Y ) }.
% 0.72/1.13  (565) {G0,W4,D3,L1,V2,M1}  { ! left_convergent_lines( X, reverse_line( Y )
% 0.72/1.13     ) }.
% 0.72/1.13  (566) {G0,W11,D3,L4,V2,M4}  { ! point( X ), ! point( Y ), ! distinct_points
% 0.72/1.13    ( X, Y ), line( line_connecting( X, Y ) ) }.
% 0.72/1.13  (567) {G0,W15,D3,L5,V2,M5}  { ! line( X ), ! line( Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.13    reverse_line( Y ) ), point( intersection_point( X, Y ) ) }.
% 0.72/1.13  (568) {G0,W8,D3,L3,V2,M3}  { ! point( Y ), ! line( X ), line( 
% 0.72/1.13    parallel_through_point( X, Y ) ) }.
% 0.72/1.13  (569) {G0,W5,D3,L2,V1,M2}  { ! line( X ), line( reverse_line( X ) ) }.
% 0.72/1.13  (570) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.72/1.13    apart_point_and_line( X, line_connecting( X, Y ) ) }.
% 0.72/1.13  (571) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.72/1.13    apart_point_and_line( Y, line_connecting( X, Y ) ) }.
% 0.72/1.13  (572) {G0,W12,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), ! apart_point_and_line
% 0.72/1.13    ( intersection_point( X, Y ), X ) }.
% 0.72/1.13  (573) {G0,W12,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), ! apart_point_and_line
% 0.72/1.13    ( intersection_point( X, Y ), Y ) }.
% 0.72/1.13  (574) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.13    parallel_through_point( Y, X ) ) }.
% 0.72/1.13  (575) {G0,W4,D3,L1,V1,M1}  { ! distinct_lines( X, reverse_line( X ) ) }.
% 0.72/1.13  (576) {G0,W8,D4,L1,V2,M1}  { ! unequally_directed_lines( line_connecting( X
% 0.72/1.13    , Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.72/1.13  (577) {G0,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.72/1.13    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.13  (578) {G0,W34,D3,L10,V4,M10}  { ! distinct_points( X, Y ), ! distinct_lines
% 0.72/1.13    ( Z, T ), left_apart_point( X, Z ), left_apart_point( Y, Z ), 
% 0.72/1.13    left_apart_point( X, T ), left_apart_point( Y, T ), left_apart_point( X, 
% 0.72/1.13    reverse_line( Z ) ), left_apart_point( Y, reverse_line( Z ) ), 
% 0.72/1.13    left_apart_point( X, reverse_line( T ) ), left_apart_point( Y, 
% 0.72/1.13    reverse_line( T ) ) }.
% 0.72/1.13  (579) {G0,W14,D3,L4,V3,M4}  { ! distinct_points( X, Y ), ! left_apart_point
% 0.72/1.13    ( X, Z ), left_apart_point( Y, Z ), left_convergent_lines( 
% 0.72/1.13    line_connecting( X, Y ), Z ) }.
% 0.72/1.13  (580) {G0,W9,D2,L3,V3,M3}  { ! left_apart_point( X, Y ), distinct_points( X
% 0.72/1.13    , Z ), left_apart_point( Z, Y ) }.
% 0.72/1.13  (581) {G0,W13,D3,L4,V3,M4}  { ! left_apart_point( X, Y ), ! 
% 0.72/1.13    unequally_directed_lines( Y, Z ), distinct_lines( Y, Z ), 
% 0.72/1.13    left_apart_point( X, reverse_line( Z ) ) }.
% 0.72/1.13  (582) {G0,W9,D2,L3,V3,M3}  { ! left_convergent_lines( X, Y ), 
% 0.72/1.13    unequally_directed_lines( Y, Z ), left_convergent_lines( X, Z ) }.
% 0.72/1.13  (583) {G0,W2,D2,L1,V0,M1}  { line( skol1 ) }.
% 0.72/1.13  (584) {G0,W3,D2,L1,V0,M1}  { distinct_points( skol2, skol4 ) }.
% 0.72/1.13  (585) {G0,W3,D2,L1,V0,M1}  { distinct_points( skol3, skol4 ) }.
% 0.72/1.13  (586) {G0,W3,D2,L1,V0,M1}  { distinct_points( skol2, skol3 ) }.
% 0.72/1.13  (587) {G0,W5,D2,L1,V0,M1}  { between_on_line( skol1, skol2, skol3, skol4 )
% 0.72/1.13     }.
% 0.72/1.13  (588) {G0,W5,D2,L1,V0,M1}  { between_on_line( skol1, skol2, skol4, skol3 )
% 0.72/1.13     }.
% 0.72/1.13  
% 0.72/1.13  
% 0.72/1.13  Total Proof:
% 0.72/1.13  
% 0.72/1.13  subsumption: (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X
% 0.72/1.13     ) }.
% 0.72/1.13  parent0: (553) {G0,W3,D2,L1,V1,M1}  { ! unequally_directed_lines( X, X )
% 0.72/1.13     }.
% 0.72/1.13  substitution0:
% 0.72/1.13     X := X
% 0.72/1.13  end
% 0.72/1.13  permutation0:
% 0.72/1.13     0 ==> 0
% 0.72/1.13  end
% 0.72/1.13  
% 0.72/1.13  subsumption: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z )
% 0.72/1.13    , unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y )
% 0.72/1.13     }.
% 0.72/1.13  parent0: (554) {G0,W9,D2,L3,V3,M3}  { ! unequally_directed_lines( X, Y ), 
% 0.72/1.13    unequally_directed_lines( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.72/1.13  substitution0:
% 0.72/1.13     X := X
% 0.72/1.13     Y := Y
% 0.72/1.13     Z := Z
% 0.72/1.13  end
% 0.72/1.13  permutation0:
% 0.72/1.13     0 ==> 2
% 0.72/1.13     1 ==> 0
% 0.72/1.13     2 ==> 1
% 0.72/1.13  end
% 0.72/1.13  
% 0.72/1.13  subsumption: (50) {G0,W11,D3,L4,V2,M2} I { ! line( X ), ! line( Y ), 
% 0.72/1.13    unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.72/1.13    unequally_directed_lines( X, Y ) }.
% 0.72/1.13  parent0: (560) {G0,W11,D3,L4,V2,M4}  { ! line( X ), ! line( Y ), 
% 0.72/1.13    unequally_directed_lines( X, Y ), unequally_directed_lines( X, 
% 0.72/1.13    reverse_line( Y ) ) }.
% 0.72/1.13  substitution0:
% 0.72/1.13     X := X
% 0.72/1.13     Y := Y
% 0.72/1.13  end
% 0.72/1.13  permutation0:
% 0.72/1.13     0 ==> 0
% 0.72/1.13     1 ==> 1
% 0.72/1.13     2 ==> 3
% 0.72/1.13     3 ==> 2
% 0.72/1.13  end
% 0.72/1.13  
% 0.72/1.13  subsumption: (51) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y
% 0.72/1.13     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.72/1.13    left_convergent_lines( X, reverse_line( Y ) ), left_convergent_lines( X, 
% 0.72/1.13    Y ) }.
% 0.72/1.13  parent0: (561) {G0,W14,D3,L4,V2,M4}  { ! unequally_directed_lines( X, Y ), 
% 0.72/1.13    ! unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines
% 0.72/1.13    ( X, Y ), left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.72/1.13  substitution0:
% 0.72/1.13     X := X
% 0.72/1.13     Y := Y
% 0.72/1.13  end
% 0.72/1.13  permutation0:
% 0.72/1.13     0 ==> 0
% 0.72/1.13     1 ==> 1
% 0.72/1.13     2 ==> 3
% 0.72/1.13     3 ==> 2
% 0.72/1.13  end
% 0.72/1.13  
% 0.72/1.13  subsumption: (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.72/1.13     }.
% 0.72/1.13  parent0: (564) {G0,W3,D2,L1,V2,M1}  { ! left_convergent_lines( X, Y ) }.
% 0.72/1.13  substitution0:
% 0.72/1.13     X := X
% 0.72/1.13     Y := Y
% 0.72/1.13  end
% 0.72/1.13  permutation0:
% 0.72/1.13     0 ==> 0
% 0.72/1.13  end
% 0.72/1.13  
% 0.72/1.13  subsumption: (57) {G0,W5,D3,L2,V1,M2} I { line( reverse_line( X ) ), ! line
% 0.72/1.13    ( X ) }.
% 0.72/1.13  parent0: (569) {G0,W5,D3,L2,V1,M2}  { ! line( X ), line( reverse_line( X )
% 0.72/1.13     ) }.
% 0.72/1.13  substitution0:
% 0.72/1.13     X := X
% 0.72/1.13  end
% 0.72/1.13  permutation0:
% 0.72/1.13     0 ==> 1
% 0.72/1.13     1 ==> 0
% 0.72/1.13  end
% 0.72/1.13  
% 0.72/1.13  subsumption: (64) {G0,W8,D4,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.72/1.13    line_connecting( X, Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.78/1.13  parent0: (576) {G0,W8,D4,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.78/1.13    line_connecting( X, Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (65) {G0,W5,D3,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.78/1.13    parallel_through_point( Y, X ), Y ) }.
% 0.78/1.13  parent0: (577) {G0,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.78/1.13    parallel_through_point( Y, X ), Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (67) {G0,W2,D2,L1,V0,M1} I { line( skol1 ) }.
% 0.78/1.13  parent0: (583) {G0,W2,D2,L1,V0,M1}  { line( skol1 ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  factor: (674) {G0,W9,D3,L3,V1,M3}  { ! line( X ), unequally_directed_lines
% 0.78/1.13    ( X, reverse_line( X ) ), unequally_directed_lines( X, X ) }.
% 0.78/1.13  parent0[0, 1]: (50) {G0,W11,D3,L4,V2,M2} I { ! line( X ), ! line( Y ), 
% 0.78/1.13    unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.78/1.13    unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := X
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (675) {G1,W6,D3,L2,V1,M2}  { ! line( X ), 
% 0.78/1.13    unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.78/1.13  parent0[0]: (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X )
% 0.78/1.13     }.
% 0.78/1.13  parent1[2]: (674) {G0,W9,D3,L3,V1,M3}  { ! line( X ), 
% 0.78/1.13    unequally_directed_lines( X, reverse_line( X ) ), 
% 0.78/1.13    unequally_directed_lines( X, X ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (75) {G1,W6,D3,L2,V1,M1} F(50);r(43) { ! line( X ), 
% 0.78/1.13    unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.78/1.13  parent0: (675) {G1,W6,D3,L2,V1,M2}  { ! line( X ), unequally_directed_lines
% 0.78/1.13    ( X, reverse_line( X ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13     1 ==> 1
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (676) {G1,W6,D4,L2,V1,M2}  { line( reverse_line( reverse_line( 
% 0.78/1.13    X ) ) ), ! line( X ) }.
% 0.78/1.13  parent0[1]: (57) {G0,W5,D3,L2,V1,M2} I { line( reverse_line( X ) ), ! line
% 0.78/1.13    ( X ) }.
% 0.78/1.13  parent1[0]: (57) {G0,W5,D3,L2,V1,M2} I { line( reverse_line( X ) ), ! line
% 0.78/1.13    ( X ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := reverse_line( X )
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (77) {G1,W6,D4,L2,V1,M2} R(57,57) { line( reverse_line( 
% 0.78/1.13    reverse_line( X ) ) ), ! line( X ) }.
% 0.78/1.13  parent0: (676) {G1,W6,D4,L2,V1,M2}  { line( reverse_line( reverse_line( X )
% 0.78/1.13     ) ), ! line( X ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13     1 ==> 1
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (677) {G1,W3,D3,L1,V0,M1}  { line( reverse_line( skol1 ) ) }.
% 0.78/1.13  parent0[1]: (57) {G0,W5,D3,L2,V1,M2} I { line( reverse_line( X ) ), ! line
% 0.78/1.13    ( X ) }.
% 0.78/1.13  parent1[0]: (67) {G0,W2,D2,L1,V0,M1} I { line( skol1 ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := skol1
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (78) {G1,W3,D3,L1,V0,M1} R(57,67) { line( reverse_line( skol1
% 0.78/1.13     ) ) }.
% 0.78/1.13  parent0: (677) {G1,W3,D3,L1,V0,M1}  { line( reverse_line( skol1 ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (678) {G1,W4,D4,L1,V0,M1}  { line( reverse_line( reverse_line( 
% 0.78/1.13    skol1 ) ) ) }.
% 0.78/1.13  parent0[1]: (57) {G0,W5,D3,L2,V1,M2} I { line( reverse_line( X ) ), ! line
% 0.78/1.13    ( X ) }.
% 0.78/1.13  parent1[0]: (78) {G1,W3,D3,L1,V0,M1} R(57,67) { line( reverse_line( skol1 )
% 0.78/1.13     ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := reverse_line( skol1 )
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (79) {G2,W4,D4,L1,V0,M1} R(78,57) { line( reverse_line( 
% 0.78/1.13    reverse_line( skol1 ) ) ) }.
% 0.78/1.13  parent0: (678) {G1,W4,D4,L1,V0,M1}  { line( reverse_line( reverse_line( 
% 0.78/1.13    skol1 ) ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (679) {G1,W5,D5,L1,V0,M1}  { line( reverse_line( reverse_line( 
% 0.78/1.13    reverse_line( skol1 ) ) ) ) }.
% 0.78/1.13  parent0[1]: (57) {G0,W5,D3,L2,V1,M2} I { line( reverse_line( X ) ), ! line
% 0.78/1.13    ( X ) }.
% 0.78/1.13  parent1[0]: (79) {G2,W4,D4,L1,V0,M1} R(78,57) { line( reverse_line( 
% 0.78/1.13    reverse_line( skol1 ) ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := reverse_line( reverse_line( skol1 ) )
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (82) {G3,W5,D5,L1,V0,M1} R(79,57) { line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( skol1 ) ) ) ) }.
% 0.78/1.13  parent0: (679) {G1,W5,D5,L1,V0,M1}  { line( reverse_line( reverse_line( 
% 0.78/1.13    reverse_line( skol1 ) ) ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (680) {G1,W6,D6,L1,V0,M1}  { line( reverse_line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( skol1 ) ) ) ) ) }.
% 0.78/1.13  parent0[1]: (57) {G0,W5,D3,L2,V1,M2} I { line( reverse_line( X ) ), ! line
% 0.78/1.13    ( X ) }.
% 0.78/1.13  parent1[0]: (82) {G3,W5,D5,L1,V0,M1} R(79,57) { line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( skol1 ) ) ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := reverse_line( reverse_line( reverse_line( skol1 ) ) )
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (83) {G4,W6,D6,L1,V0,M1} R(82,57) { line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( reverse_line( skol1 ) ) ) ) ) }.
% 0.78/1.13  parent0: (680) {G1,W6,D6,L1,V0,M1}  { line( reverse_line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( skol1 ) ) ) ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (681) {G2,W8,D8,L1,V0,M1}  { line( reverse_line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( reverse_line( reverse_line( skol1 ) ) ) ) ) )
% 0.78/1.13     ) }.
% 0.78/1.13  parent0[1]: (77) {G1,W6,D4,L2,V1,M2} R(57,57) { line( reverse_line( 
% 0.78/1.13    reverse_line( X ) ) ), ! line( X ) }.
% 0.78/1.13  parent1[0]: (83) {G4,W6,D6,L1,V0,M1} R(82,57) { line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( reverse_line( skol1 ) ) ) ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := reverse_line( reverse_line( reverse_line( reverse_line( skol1 ) ) )
% 0.78/1.13     )
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (92) {G5,W8,D8,L1,V0,M1} R(83,77) { line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( reverse_line( reverse_line( reverse_line( 
% 0.78/1.13    skol1 ) ) ) ) ) ) ) }.
% 0.78/1.13  parent0: (681) {G2,W8,D8,L1,V0,M1}  { line( reverse_line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( reverse_line( reverse_line( skol1 ) ) ) ) ) )
% 0.78/1.13     ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (682) {G1,W6,D2,L2,V2,M2}  { unequally_directed_lines( Y, X ), 
% 0.78/1.13    ! unequally_directed_lines( X, Y ) }.
% 0.78/1.13  parent0[0]: (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X )
% 0.78/1.13     }.
% 0.78/1.13  parent1[0]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.78/1.13    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13     Z := X
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (122) {G1,W6,D2,L2,V2,M2} R(44,43) { ! 
% 0.78/1.13    unequally_directed_lines( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.78/1.13  parent0: (682) {G1,W6,D2,L2,V2,M2}  { unequally_directed_lines( Y, X ), ! 
% 0.78/1.13    unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := Y
% 0.78/1.13     Y := X
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 1
% 0.78/1.13     1 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (684) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( X, 
% 0.78/1.13    parallel_through_point( X, Y ) ) }.
% 0.78/1.13  parent0[0]: (65) {G0,W5,D3,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.78/1.13    parallel_through_point( Y, X ), Y ) }.
% 0.78/1.13  parent1[1]: (122) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines
% 0.78/1.13    ( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := Y
% 0.78/1.13     Y := X
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := parallel_through_point( X, Y )
% 0.78/1.13     Y := X
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (133) {G2,W5,D3,L1,V2,M1} R(122,65) { ! 
% 0.78/1.13    unequally_directed_lines( X, parallel_through_point( X, Y ) ) }.
% 0.78/1.13  parent0: (684) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( X, 
% 0.78/1.13    parallel_through_point( X, Y ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (685) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.78/1.13    parallel_through_point( X, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.78/1.13  parent0[0]: (133) {G2,W5,D3,L1,V2,M1} R(122,65) { ! 
% 0.78/1.13    unequally_directed_lines( X, parallel_through_point( X, Y ) ) }.
% 0.78/1.13  parent1[0]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.78/1.13    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Z
% 0.78/1.13     Z := parallel_through_point( X, Y )
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (134) {G3,W8,D3,L2,V3,M2} R(133,44) { ! 
% 0.78/1.13    unequally_directed_lines( Y, X ), unequally_directed_lines( X, 
% 0.78/1.13    parallel_through_point( Y, Z ) ) }.
% 0.78/1.13  parent0: (685) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.78/1.13    parallel_through_point( X, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := Y
% 0.78/1.13     Y := Z
% 0.78/1.13     Z := X
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 1
% 0.78/1.13     1 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (687) {G2,W8,D3,L2,V2,M2}  { unequally_directed_lines( 
% 0.78/1.13    reverse_line( X ), parallel_through_point( X, Y ) ), ! line( X ) }.
% 0.78/1.13  parent0[0]: (134) {G3,W8,D3,L2,V3,M2} R(133,44) { ! 
% 0.78/1.13    unequally_directed_lines( Y, X ), unequally_directed_lines( X, 
% 0.78/1.13    parallel_through_point( Y, Z ) ) }.
% 0.78/1.13  parent1[1]: (75) {G1,W6,D3,L2,V1,M1} F(50);r(43) { ! line( X ), 
% 0.78/1.13    unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := reverse_line( X )
% 0.78/1.13     Y := X
% 0.78/1.13     Z := Y
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (152) {G4,W8,D3,L2,V2,M1} R(134,75) { ! line( X ), 
% 0.78/1.13    unequally_directed_lines( reverse_line( X ), parallel_through_point( X, Y
% 0.78/1.13     ) ) }.
% 0.78/1.13  parent0: (687) {G2,W8,D3,L2,V2,M2}  { unequally_directed_lines( 
% 0.78/1.13    reverse_line( X ), parallel_through_point( X, Y ) ), ! line( X ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 1
% 0.78/1.13     1 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (688) {G1,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y
% 0.78/1.13     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.78/1.13    left_convergent_lines( X, Y ) }.
% 0.78/1.13  parent0[0]: (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.78/1.13     }.
% 0.78/1.13  parent1[2]: (51) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y
% 0.78/1.13     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.78/1.13    left_convergent_lines( X, reverse_line( Y ) ), left_convergent_lines( X, 
% 0.78/1.13    Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := reverse_line( Y )
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (690) {G1,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, Y )
% 0.78/1.13    , ! unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.78/1.13  parent0[0]: (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.78/1.13     }.
% 0.78/1.13  parent1[2]: (688) {G1,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y
% 0.78/1.13     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.78/1.13    left_convergent_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (379) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! 
% 0.78/1.13    unequally_directed_lines( X, reverse_line( Y ) ), ! 
% 0.78/1.13    unequally_directed_lines( X, Y ) }.
% 0.78/1.13  parent0: (690) {G1,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, Y ), !
% 0.78/1.13     unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 1
% 0.78/1.13     1 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (692) {G2,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, 
% 0.78/1.13    reverse_line( Y ) ), ! unequally_directed_lines( Y, X ) }.
% 0.78/1.13  parent0[1]: (379) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! 
% 0.78/1.13    unequally_directed_lines( X, reverse_line( Y ) ), ! 
% 0.78/1.13    unequally_directed_lines( X, Y ) }.
% 0.78/1.13  parent1[1]: (122) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines
% 0.78/1.13    ( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (409) {G2,W7,D3,L2,V2,M2} R(379,122) { ! 
% 0.78/1.13    unequally_directed_lines( Y, X ), ! unequally_directed_lines( X, 
% 0.78/1.13    reverse_line( Y ) ) }.
% 0.78/1.13  parent0: (692) {G2,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, 
% 0.78/1.13    reverse_line( Y ) ), ! unequally_directed_lines( Y, X ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 1
% 0.78/1.13     1 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (696) {G1,W10,D3,L3,V3,M3}  { ! unequally_directed_lines( X, Y
% 0.78/1.13     ), unequally_directed_lines( Z, reverse_line( X ) ), ! 
% 0.78/1.13    unequally_directed_lines( Z, Y ) }.
% 0.78/1.13  parent0[1]: (409) {G2,W7,D3,L2,V2,M2} R(379,122) { ! 
% 0.78/1.13    unequally_directed_lines( Y, X ), ! unequally_directed_lines( X, 
% 0.78/1.13    reverse_line( Y ) ) }.
% 0.78/1.13  parent1[1]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.78/1.13    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := Y
% 0.78/1.13     Y := X
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := Z
% 0.78/1.13     Y := Y
% 0.78/1.13     Z := reverse_line( X )
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (479) {G3,W10,D3,L3,V3,M3} R(409,44) { 
% 0.78/1.13    unequally_directed_lines( Z, reverse_line( X ) ), ! 
% 0.78/1.13    unequally_directed_lines( Z, Y ), ! unequally_directed_lines( X, Y ) }.
% 0.78/1.13  parent0: (696) {G1,W10,D3,L3,V3,M3}  { ! unequally_directed_lines( X, Y ), 
% 0.78/1.13    unequally_directed_lines( Z, reverse_line( X ) ), ! 
% 0.78/1.13    unequally_directed_lines( Z, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13     Z := Z
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 2
% 0.78/1.13     1 ==> 0
% 0.78/1.13     2 ==> 1
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  factor: (700) {G3,W7,D3,L2,V2,M2}  { unequally_directed_lines( X, 
% 0.78/1.13    reverse_line( X ) ), ! unequally_directed_lines( X, Y ) }.
% 0.78/1.13  parent0[1, 2]: (479) {G3,W10,D3,L3,V3,M3} R(409,44) { 
% 0.78/1.13    unequally_directed_lines( Z, reverse_line( X ) ), ! 
% 0.78/1.13    unequally_directed_lines( Z, Y ), ! unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13     Z := X
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (480) {G4,W7,D3,L2,V2,M2} F(479) { ! unequally_directed_lines
% 0.78/1.13    ( X, Y ), unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.78/1.13  parent0: (700) {G3,W7,D3,L2,V2,M2}  { unequally_directed_lines( X, 
% 0.78/1.13    reverse_line( X ) ), ! unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 1
% 0.78/1.13     1 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (701) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.78/1.13    line_connecting( X, X ), Y ) }.
% 0.78/1.13  parent0[0]: (64) {G0,W8,D4,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.78/1.13    line_connecting( X, Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.78/1.13  parent1[1]: (480) {G4,W7,D3,L2,V2,M2} F(479) { ! unequally_directed_lines( 
% 0.78/1.13    X, Y ), unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := X
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := line_connecting( X, X )
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (499) {G5,W5,D3,L1,V2,M1} R(480,64) { ! 
% 0.78/1.13    unequally_directed_lines( line_connecting( X, X ), Y ) }.
% 0.78/1.13  parent0: (701) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.78/1.13    line_connecting( X, X ), Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (702) {G4,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( Y, 
% 0.78/1.13    line_connecting( X, X ) ) }.
% 0.78/1.13  parent0[0]: (499) {G5,W5,D3,L1,V2,M1} R(480,64) { ! 
% 0.78/1.13    unequally_directed_lines( line_connecting( X, X ), Y ) }.
% 0.78/1.13  parent1[1]: (134) {G3,W8,D3,L2,V3,M2} R(133,44) { ! 
% 0.78/1.13    unequally_directed_lines( Y, X ), unequally_directed_lines( X, 
% 0.78/1.13    parallel_through_point( Y, Z ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := parallel_through_point( Y, Z )
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := line_connecting( X, X )
% 0.78/1.13     Y := Y
% 0.78/1.13     Z := Z
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (504) {G6,W5,D3,L1,V2,M1} R(499,134) { ! 
% 0.78/1.13    unequally_directed_lines( X, line_connecting( Y, Y ) ) }.
% 0.78/1.13  parent0: (702) {G4,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( Y, 
% 0.78/1.13    line_connecting( X, X ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := Y
% 0.78/1.13     Y := X
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (703) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.78/1.13    line_connecting( Y, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.78/1.13  parent0[0]: (504) {G6,W5,D3,L1,V2,M1} R(499,134) { ! 
% 0.78/1.13    unequally_directed_lines( X, line_connecting( Y, Y ) ) }.
% 0.78/1.13  parent1[0]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.78/1.13    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Z
% 0.78/1.13     Z := line_connecting( Y, Y )
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (705) {G2,W3,D2,L1,V2,M1}  { ! unequally_directed_lines( Z, X )
% 0.78/1.13     }.
% 0.78/1.13  parent0[0]: (504) {G6,W5,D3,L1,V2,M1} R(499,134) { ! 
% 0.78/1.13    unequally_directed_lines( X, line_connecting( Y, Y ) ) }.
% 0.78/1.13  parent1[0]: (703) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.78/1.13    line_connecting( Y, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := Z
% 0.78/1.13     Y := Y
% 0.78/1.13     Z := X
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (505) {G7,W3,D2,L1,V2,M1} R(504,44);r(504) { ! 
% 0.78/1.13    unequally_directed_lines( Z, X ) }.
% 0.78/1.13  parent0: (705) {G2,W3,D2,L1,V2,M1}  { ! unequally_directed_lines( Z, X )
% 0.78/1.13     }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13     Y := T
% 0.78/1.13     Z := Z
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (706) {G5,W2,D2,L1,V1,M1}  { ! line( X ) }.
% 0.78/1.13  parent0[0]: (505) {G7,W3,D2,L1,V2,M1} R(504,44);r(504) { ! 
% 0.78/1.13    unequally_directed_lines( Z, X ) }.
% 0.78/1.13  parent1[1]: (152) {G4,W8,D3,L2,V2,M1} R(134,75) { ! line( X ), 
% 0.78/1.13    unequally_directed_lines( reverse_line( X ), parallel_through_point( X, Y
% 0.78/1.13     ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := parallel_through_point( X, Y )
% 0.78/1.13     Y := Z
% 0.78/1.13     Z := reverse_line( X )
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13     X := X
% 0.78/1.13     Y := Y
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (507) {G8,W2,D2,L1,V1,M1} R(505,152) { ! line( X ) }.
% 0.78/1.13  parent0: (706) {G5,W2,D2,L1,V1,M1}  { ! line( X ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := X
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13     0 ==> 0
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  resolution: (707) {G6,W0,D0,L0,V0,M0}  {  }.
% 0.78/1.13  parent0[0]: (507) {G8,W2,D2,L1,V1,M1} R(505,152) { ! line( X ) }.
% 0.78/1.13  parent1[0]: (92) {G5,W8,D8,L1,V0,M1} R(83,77) { line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( reverse_line( reverse_line( reverse_line( 
% 0.78/1.13    skol1 ) ) ) ) ) ) ) }.
% 0.78/1.13  substitution0:
% 0.78/1.13     X := reverse_line( reverse_line( reverse_line( reverse_line( 
% 0.78/1.13    reverse_line( reverse_line( skol1 ) ) ) ) ) )
% 0.78/1.13  end
% 0.78/1.13  substitution1:
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  subsumption: (508) {G9,W0,D0,L0,V0,M0} R(507,92) {  }.
% 0.78/1.13  parent0: (707) {G6,W0,D0,L0,V0,M0}  {  }.
% 0.78/1.13  substitution0:
% 0.78/1.13  end
% 0.78/1.13  permutation0:
% 0.78/1.13  end
% 0.78/1.13  
% 0.78/1.13  Proof check complete!
% 0.78/1.13  
% 0.78/1.13  Memory use:
% 0.78/1.13  
% 0.78/1.13  space for terms:        7122
% 0.78/1.13  space for clauses:      24686
% 0.78/1.13  
% 0.78/1.13  
% 0.78/1.13  clauses generated:      1361
% 0.78/1.13  clauses kept:           509
% 0.78/1.13  clauses selected:       141
% 0.78/1.13  clauses deleted:        22
% 0.78/1.13  clauses inuse deleted:  0
% 0.78/1.13  
% 0.78/1.13  subsentry:          4823
% 0.78/1.13  literals s-matched: 3145
% 0.78/1.13  literals matched:   3092
% 0.78/1.13  full subsumption:   834
% 0.78/1.13  
% 0.78/1.13  checksum:           751330569
% 0.78/1.13  
% 0.78/1.13  
% 0.78/1.13  Bliksem ended
%------------------------------------------------------------------------------