TSTP Solution File: GEO261+3 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GEO261+3 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n019.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 02:53:23 EDT 2022

% Result   : Theorem 0.76s 1.17s
% Output   : Refutation 0.76s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : GEO261+3 : TPTP v8.1.0. Released v4.0.0.
% 0.04/0.14  % Command  : bliksem %s
% 0.15/0.36  % Computer : n019.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % DateTime : Sat Jun 18 18:31:39 EDT 2022
% 0.15/0.36  % CPUTime  : 
% 0.76/1.16  *** allocated 10000 integers for termspace/termends
% 0.76/1.16  *** allocated 10000 integers for clauses
% 0.76/1.16  *** allocated 10000 integers for justifications
% 0.76/1.16  Bliksem 1.12
% 0.76/1.16  
% 0.76/1.16  
% 0.76/1.16  Automatic Strategy Selection
% 0.76/1.16  
% 0.76/1.16  
% 0.76/1.16  Clauses:
% 0.76/1.16  
% 0.76/1.16  { ! unequally_directed_opposite_lines( X, Y ), unequally_directed_lines( X
% 0.76/1.16    , reverse_line( Y ) ) }.
% 0.76/1.16  { ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.76/1.16    unequally_directed_opposite_lines( X, Y ) }.
% 0.76/1.16  { ! right_apart_point( X, Y ), left_apart_point( X, reverse_line( Y ) ) }.
% 0.76/1.16  { ! left_apart_point( X, reverse_line( Y ) ), right_apart_point( X, Y ) }.
% 0.76/1.16  { ! right_convergent_lines( X, Y ), left_convergent_lines( X, reverse_line
% 0.76/1.16    ( Y ) ) }.
% 0.76/1.16  { ! left_convergent_lines( X, reverse_line( Y ) ), right_convergent_lines( 
% 0.76/1.16    X, Y ) }.
% 0.76/1.16  { ! equally_directed_lines( X, Y ), ! unequally_directed_lines( X, Y ) }.
% 0.76/1.16  { unequally_directed_lines( X, Y ), equally_directed_lines( X, Y ) }.
% 0.76/1.16  { ! equally_directed_opposite_lines( X, Y ), ! 
% 0.76/1.16    unequally_directed_opposite_lines( X, Y ) }.
% 0.76/1.16  { unequally_directed_opposite_lines( X, Y ), 
% 0.76/1.16    equally_directed_opposite_lines( X, Y ) }.
% 0.76/1.16  { ! apart_point_and_line( X, Y ), left_apart_point( X, Y ), 
% 0.76/1.16    right_apart_point( X, Y ) }.
% 0.76/1.16  { ! left_apart_point( X, Y ), apart_point_and_line( X, Y ) }.
% 0.76/1.16  { ! right_apart_point( X, Y ), apart_point_and_line( X, Y ) }.
% 0.76/1.16  { ! convergent_lines( X, Y ), unequally_directed_lines( X, Y ) }.
% 0.76/1.16  { ! convergent_lines( X, Y ), unequally_directed_opposite_lines( X, Y ) }.
% 0.76/1.16  { ! unequally_directed_lines( X, Y ), ! unequally_directed_opposite_lines( 
% 0.76/1.16    X, Y ), convergent_lines( X, Y ) }.
% 0.76/1.16  { ! divides_points( Z, X, Y ), alpha1( X, Y, Z ), alpha4( X, Y, Z ) }.
% 0.76/1.16  { ! alpha1( X, Y, Z ), divides_points( Z, X, Y ) }.
% 0.76/1.16  { ! alpha4( X, Y, Z ), divides_points( Z, X, Y ) }.
% 0.76/1.16  { ! alpha4( X, Y, Z ), right_apart_point( X, Z ) }.
% 0.76/1.16  { ! alpha4( X, Y, Z ), left_apart_point( Y, Z ) }.
% 0.76/1.16  { ! right_apart_point( X, Z ), ! left_apart_point( Y, Z ), alpha4( X, Y, Z
% 0.76/1.16     ) }.
% 0.76/1.16  { ! alpha1( X, Y, Z ), left_apart_point( X, Z ) }.
% 0.76/1.16  { ! alpha1( X, Y, Z ), right_apart_point( Y, Z ) }.
% 0.76/1.16  { ! left_apart_point( X, Z ), ! right_apart_point( Y, Z ), alpha1( X, Y, Z
% 0.76/1.16     ) }.
% 0.76/1.16  { ! before_on_line( X, Y, Z ), distinct_points( Y, Z ) }.
% 0.76/1.16  { ! before_on_line( X, Y, Z ), alpha2( X, Y, Z ) }.
% 0.76/1.16  { ! distinct_points( Y, Z ), ! alpha2( X, Y, Z ), before_on_line( X, Y, Z )
% 0.76/1.16     }.
% 0.76/1.16  { ! alpha2( X, Y, Z ), incident_point_and_line( Y, X ) }.
% 0.76/1.16  { ! alpha2( X, Y, Z ), alpha5( X, Y, Z ) }.
% 0.76/1.16  { ! incident_point_and_line( Y, X ), ! alpha5( X, Y, Z ), alpha2( X, Y, Z )
% 0.76/1.16     }.
% 0.76/1.16  { ! alpha5( X, Y, Z ), incident_point_and_line( Z, X ) }.
% 0.76/1.16  { ! alpha5( X, Y, Z ), equally_directed_lines( X, line_connecting( Y, Z ) )
% 0.76/1.16     }.
% 0.76/1.16  { ! incident_point_and_line( Z, X ), ! equally_directed_lines( X, 
% 0.76/1.16    line_connecting( Y, Z ) ), alpha5( X, Y, Z ) }.
% 0.76/1.16  { ! between_on_line( X, Y, Z, T ), alpha3( X, Y, Z, T ), alpha6( X, Y, Z, T
% 0.76/1.16     ) }.
% 0.76/1.16  { ! alpha3( X, Y, Z, T ), between_on_line( X, Y, Z, T ) }.
% 0.76/1.16  { ! alpha6( X, Y, Z, T ), between_on_line( X, Y, Z, T ) }.
% 0.76/1.16  { ! alpha6( X, Y, Z, T ), before_on_line( X, T, Z ) }.
% 0.76/1.16  { ! alpha6( X, Y, Z, T ), before_on_line( X, Z, Y ) }.
% 0.76/1.16  { ! before_on_line( X, T, Z ), ! before_on_line( X, Z, Y ), alpha6( X, Y, Z
% 0.76/1.16    , T ) }.
% 0.76/1.16  { ! alpha3( X, Y, Z, T ), before_on_line( X, Y, Z ) }.
% 0.76/1.16  { ! alpha3( X, Y, Z, T ), before_on_line( X, Z, T ) }.
% 0.76/1.16  { ! before_on_line( X, Y, Z ), ! before_on_line( X, Z, T ), alpha3( X, Y, Z
% 0.76/1.16    , T ) }.
% 0.76/1.16  { ! distinct_points( X, X ) }.
% 0.76/1.16  { ! distinct_points( X, Y ), distinct_points( X, Z ), distinct_points( Y, Z
% 0.76/1.16     ) }.
% 0.76/1.16  { ! distinct_lines( X, X ) }.
% 0.76/1.16  { ! distinct_lines( X, Y ), distinct_lines( X, Z ), distinct_lines( Y, Z )
% 0.76/1.16     }.
% 0.76/1.16  { equally_directed_lines( X, X ) }.
% 0.76/1.16  { ! unequally_directed_lines( X, Y ), unequally_directed_lines( X, Z ), 
% 0.76/1.16    unequally_directed_lines( Y, Z ) }.
% 0.76/1.16  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.76/1.16    reverse_line( Y ) ), alpha7( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.76/1.16  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.76/1.16    reverse_line( Y ) ), alpha7( X, Z ), unequally_directed_lines( Y, 
% 0.76/1.16    reverse_line( Z ) ) }.
% 0.76/1.16  { ! alpha7( X, Y ), unequally_directed_lines( X, Y ) }.
% 0.76/1.16  { ! alpha7( X, Y ), unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.76/1.17    reverse_line( Y ) ), alpha7( X, Y ) }.
% 0.76/1.17  { unequally_directed_lines( X, Y ), unequally_directed_lines( X, 
% 0.76/1.17    reverse_line( Y ) ) }.
% 0.76/1.17  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.76/1.17    reverse_line( Y ) ), left_convergent_lines( X, Y ), left_convergent_lines
% 0.76/1.17    ( X, reverse_line( Y ) ) }.
% 0.76/1.17  { ! left_apart_point( X, Y ) }.
% 0.76/1.17  { ! left_apart_point( X, reverse_line( Y ) ) }.
% 0.76/1.17  { ! left_convergent_lines( X, Y ) }.
% 0.76/1.17  { ! left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  { ! point( X ), ! point( Y ), ! distinct_points( X, Y ), line( 
% 0.76/1.17    line_connecting( X, Y ) ) }.
% 0.76/1.17  { ! line( X ), ! line( Y ), ! unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), point( 
% 0.76/1.17    intersection_point( X, Y ) ) }.
% 0.76/1.17  { ! point( Y ), ! line( X ), line( parallel_through_point( X, Y ) ) }.
% 0.76/1.17  { ! line( X ), line( reverse_line( X ) ) }.
% 0.76/1.17  { ! distinct_points( X, Y ), ! apart_point_and_line( X, line_connecting( X
% 0.76/1.17    , Y ) ) }.
% 0.76/1.17  { ! distinct_points( X, Y ), ! apart_point_and_line( Y, line_connecting( X
% 0.76/1.17    , Y ) ) }.
% 0.76/1.17  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.76/1.17    reverse_line( Y ) ), ! apart_point_and_line( intersection_point( X, Y ), 
% 0.76/1.17    X ) }.
% 0.76/1.17  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.76/1.17    reverse_line( Y ) ), ! apart_point_and_line( intersection_point( X, Y ), 
% 0.76/1.17    Y ) }.
% 0.76/1.17  { ! apart_point_and_line( X, parallel_through_point( Y, X ) ) }.
% 0.76/1.17  { ! distinct_lines( X, reverse_line( X ) ) }.
% 0.76/1.17  { ! distinct_points( X, Y ), equally_directed_lines( line_connecting( X, Y
% 0.76/1.17     ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.76/1.17  { equally_directed_lines( parallel_through_point( Y, X ), Y ) }.
% 0.76/1.17  { ! distinct_points( X, Y ), ! distinct_lines( Z, T ), left_apart_point( X
% 0.76/1.17    , Z ), left_apart_point( Y, Z ), left_apart_point( X, T ), 
% 0.76/1.17    left_apart_point( Y, T ), left_apart_point( X, reverse_line( Z ) ), 
% 0.76/1.17    left_apart_point( Y, reverse_line( Z ) ), left_apart_point( X, 
% 0.76/1.17    reverse_line( T ) ), left_apart_point( Y, reverse_line( T ) ) }.
% 0.76/1.17  { ! distinct_points( X, Y ), ! left_apart_point( X, Z ), left_apart_point( 
% 0.76/1.17    Y, Z ), left_convergent_lines( line_connecting( X, Y ), Z ) }.
% 0.76/1.17  { ! left_apart_point( X, Y ), distinct_points( X, Z ), left_apart_point( Z
% 0.76/1.17    , Y ) }.
% 0.76/1.17  { ! left_apart_point( X, Y ), ! unequally_directed_lines( Y, Z ), 
% 0.76/1.17    distinct_lines( Y, Z ), left_apart_point( X, reverse_line( Z ) ) }.
% 0.76/1.17  { ! left_convergent_lines( X, Y ), unequally_directed_lines( Y, Z ), 
% 0.76/1.17    left_convergent_lines( X, Z ) }.
% 0.76/1.17  { between_on_line( skol4, skol2, skol5, skol3 ) }.
% 0.76/1.17  { convergent_lines( skol4, skol1 ) }.
% 0.76/1.17  { incident_point_and_line( skol5, skol1 ) }.
% 0.76/1.17  { ! divides_points( skol1, skol2, skol3 ) }.
% 0.76/1.17  
% 0.76/1.17  percentage equality = 0.000000, percentage horn = 0.826667
% 0.76/1.17  This a non-horn, non-equality problem
% 0.76/1.17  
% 0.76/1.17  
% 0.76/1.17  Options Used:
% 0.76/1.17  
% 0.76/1.17  useres =            1
% 0.76/1.17  useparamod =        0
% 0.76/1.17  useeqrefl =         0
% 0.76/1.17  useeqfact =         0
% 0.76/1.17  usefactor =         1
% 0.76/1.17  usesimpsplitting =  0
% 0.76/1.17  usesimpdemod =      0
% 0.76/1.17  usesimpres =        3
% 0.76/1.17  
% 0.76/1.17  resimpinuse      =  1000
% 0.76/1.17  resimpclauses =     20000
% 0.76/1.17  substype =          standard
% 0.76/1.17  backwardsubs =      1
% 0.76/1.17  selectoldest =      5
% 0.76/1.17  
% 0.76/1.17  litorderings [0] =  split
% 0.76/1.17  litorderings [1] =  liftord
% 0.76/1.17  
% 0.76/1.17  termordering =      none
% 0.76/1.17  
% 0.76/1.17  litapriori =        1
% 0.76/1.17  termapriori =       0
% 0.76/1.17  litaposteriori =    0
% 0.76/1.17  termaposteriori =   0
% 0.76/1.17  demodaposteriori =  0
% 0.76/1.17  ordereqreflfact =   0
% 0.76/1.17  
% 0.76/1.17  litselect =         none
% 0.76/1.17  
% 0.76/1.17  maxweight =         15
% 0.76/1.17  maxdepth =          30000
% 0.76/1.17  maxlength =         115
% 0.76/1.17  maxnrvars =         195
% 0.76/1.17  excuselevel =       1
% 0.76/1.17  increasemaxweight = 1
% 0.76/1.17  
% 0.76/1.17  maxselected =       10000000
% 0.76/1.17  maxnrclauses =      10000000
% 0.76/1.17  
% 0.76/1.17  showgenerated =    0
% 0.76/1.17  showkept =         0
% 0.76/1.17  showselected =     0
% 0.76/1.17  showdeleted =      0
% 0.76/1.17  showresimp =       1
% 0.76/1.17  showstatus =       2000
% 0.76/1.17  
% 0.76/1.17  prologoutput =     0
% 0.76/1.17  nrgoals =          5000000
% 0.76/1.17  totalproof =       1
% 0.76/1.17  
% 0.76/1.17  Symbols occurring in the translation:
% 0.76/1.17  
% 0.76/1.17  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.76/1.17  .  [1, 2]      (w:1, o:27, a:1, s:1, b:0), 
% 0.76/1.17  !  [4, 1]      (w:0, o:19, a:1, s:1, b:0), 
% 0.76/1.17  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.76/1.17  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.76/1.17  unequally_directed_opposite_lines  [37, 2]      (w:1, o:51, a:1, s:1, b:0)
% 0.76/1.17    , 
% 0.76/1.17  reverse_line  [38, 1]      (w:1, o:24, a:1, s:1, b:0), 
% 0.76/1.17  unequally_directed_lines  [39, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.76/1.17  right_apart_point  [40, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.76/1.17  left_apart_point  [41, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.76/1.17  right_convergent_lines  [42, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 0.76/1.17  left_convergent_lines  [43, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 0.76/1.17  equally_directed_lines  [44, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 0.76/1.17  equally_directed_opposite_lines  [45, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 0.76/1.17  apart_point_and_line  [48, 2]      (w:1, o:61, a:1, s:1, b:0), 
% 0.76/1.17  convergent_lines  [50, 2]      (w:1, o:62, a:1, s:1, b:0), 
% 0.76/1.17  divides_points  [52, 3]      (w:1, o:68, a:1, s:1, b:0), 
% 0.76/1.17  before_on_line  [53, 3]      (w:1, o:73, a:1, s:1, b:0), 
% 0.76/1.17  distinct_points  [54, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 0.76/1.17  incident_point_and_line  [55, 2]      (w:1, o:63, a:1, s:1, b:0), 
% 0.76/1.17  line_connecting  [56, 2]      (w:1, o:64, a:1, s:1, b:0), 
% 0.76/1.17  between_on_line  [58, 4]      (w:1, o:76, a:1, s:1, b:0), 
% 0.76/1.17  distinct_lines  [59, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 0.76/1.17  point  [61, 1]      (w:1, o:25, a:1, s:1, b:0), 
% 0.76/1.17  line  [62, 1]      (w:1, o:26, a:1, s:1, b:0), 
% 0.76/1.17  intersection_point  [63, 2]      (w:1, o:65, a:1, s:1, b:0), 
% 0.76/1.17  parallel_through_point  [64, 2]      (w:1, o:66, a:1, s:1, b:0), 
% 0.76/1.17  alpha1  [65, 3]      (w:1, o:69, a:1, s:1, b:0), 
% 0.76/1.17  alpha2  [66, 3]      (w:1, o:70, a:1, s:1, b:0), 
% 0.76/1.17  alpha3  [67, 4]      (w:1, o:74, a:1, s:1, b:0), 
% 0.76/1.17  alpha4  [68, 3]      (w:1, o:71, a:1, s:1, b:0), 
% 0.76/1.17  alpha5  [69, 3]      (w:1, o:72, a:1, s:1, b:0), 
% 0.76/1.17  alpha6  [70, 4]      (w:1, o:75, a:1, s:1, b:0), 
% 0.76/1.17  alpha7  [71, 2]      (w:1, o:67, a:1, s:1, b:0), 
% 0.76/1.17  skol1  [72, 0]      (w:1, o:14, a:1, s:1, b:0), 
% 0.76/1.17  skol2  [73, 0]      (w:1, o:15, a:1, s:1, b:0), 
% 0.76/1.17  skol3  [74, 0]      (w:1, o:16, a:1, s:1, b:0), 
% 0.76/1.17  skol4  [75, 0]      (w:1, o:17, a:1, s:1, b:0), 
% 0.76/1.17  skol5  [76, 0]      (w:1, o:18, a:1, s:1, b:0).
% 0.76/1.17  
% 0.76/1.17  
% 0.76/1.17  Starting Search:
% 0.76/1.17  
% 0.76/1.17  *** allocated 15000 integers for clauses
% 0.76/1.17  *** allocated 22500 integers for clauses
% 0.76/1.17  
% 0.76/1.17  Bliksems!, er is een bewijs:
% 0.76/1.17  % SZS status Theorem
% 0.76/1.17  % SZS output start Refutation
% 0.76/1.17  
% 0.76/1.17  (0) {G0,W7,D3,L2,V2,M1} I { ! unequally_directed_opposite_lines( X, Y ), 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  (13) {G0,W6,D2,L2,V2,M1} I { unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    convergent_lines( X, Y ) }.
% 0.76/1.17  (14) {G0,W6,D2,L2,V2,M1} I { unequally_directed_opposite_lines( X, Y ), ! 
% 0.76/1.17    convergent_lines( X, Y ) }.
% 0.76/1.17  (55) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines( 
% 0.76/1.17    X, reverse_line( Y ) ), left_convergent_lines( X, Y ) }.
% 0.76/1.17  (57) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y ) }.
% 0.76/1.17  (72) {G0,W3,D2,L1,V0,M1} I { convergent_lines( skol4, skol1 ) }.
% 0.76/1.17  (84) {G1,W3,D2,L1,V0,M1} R(14,72) { unequally_directed_opposite_lines( 
% 0.76/1.17    skol4, skol1 ) }.
% 0.76/1.17  (85) {G1,W3,D2,L1,V0,M1} R(13,72) { unequally_directed_lines( skol4, skol1
% 0.76/1.17     ) }.
% 0.76/1.17  (254) {G1,W7,D3,L2,V2,M2} S(55);r(57);r(57) { ! unequally_directed_lines( X
% 0.76/1.17    , reverse_line( Y ) ), ! unequally_directed_lines( X, Y ) }.
% 0.76/1.17  (308) {G2,W4,D3,L1,V0,M1} R(254,85) { ! unequally_directed_lines( skol4, 
% 0.76/1.17    reverse_line( skol1 ) ) }.
% 0.76/1.17  (332) {G3,W0,D0,L0,V0,M0} R(308,0);r(84) {  }.
% 0.76/1.17  
% 0.76/1.17  
% 0.76/1.17  % SZS output end Refutation
% 0.76/1.17  found a proof!
% 0.76/1.17  
% 0.76/1.17  
% 0.76/1.17  Unprocessed initial clauses:
% 0.76/1.17  
% 0.76/1.17  (334) {G0,W7,D3,L2,V2,M2}  { ! unequally_directed_opposite_lines( X, Y ), 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  (335) {G0,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, reverse_line( Y
% 0.76/1.17     ) ), unequally_directed_opposite_lines( X, Y ) }.
% 0.76/1.17  (336) {G0,W7,D3,L2,V2,M2}  { ! right_apart_point( X, Y ), left_apart_point
% 0.76/1.17    ( X, reverse_line( Y ) ) }.
% 0.76/1.17  (337) {G0,W7,D3,L2,V2,M2}  { ! left_apart_point( X, reverse_line( Y ) ), 
% 0.76/1.17    right_apart_point( X, Y ) }.
% 0.76/1.17  (338) {G0,W7,D3,L2,V2,M2}  { ! right_convergent_lines( X, Y ), 
% 0.76/1.17    left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  (339) {G0,W7,D3,L2,V2,M2}  { ! left_convergent_lines( X, reverse_line( Y )
% 0.76/1.17     ), right_convergent_lines( X, Y ) }.
% 0.76/1.17  (340) {G0,W6,D2,L2,V2,M2}  { ! equally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, Y ) }.
% 0.76/1.17  (341) {G0,W6,D2,L2,V2,M2}  { unequally_directed_lines( X, Y ), 
% 0.76/1.17    equally_directed_lines( X, Y ) }.
% 0.76/1.17  (342) {G0,W6,D2,L2,V2,M2}  { ! equally_directed_opposite_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_opposite_lines( X, Y ) }.
% 0.76/1.17  (343) {G0,W6,D2,L2,V2,M2}  { unequally_directed_opposite_lines( X, Y ), 
% 0.76/1.17    equally_directed_opposite_lines( X, Y ) }.
% 0.76/1.17  (344) {G0,W9,D2,L3,V2,M3}  { ! apart_point_and_line( X, Y ), 
% 0.76/1.17    left_apart_point( X, Y ), right_apart_point( X, Y ) }.
% 0.76/1.17  (345) {G0,W6,D2,L2,V2,M2}  { ! left_apart_point( X, Y ), 
% 0.76/1.17    apart_point_and_line( X, Y ) }.
% 0.76/1.17  (346) {G0,W6,D2,L2,V2,M2}  { ! right_apart_point( X, Y ), 
% 0.76/1.17    apart_point_and_line( X, Y ) }.
% 0.76/1.17  (347) {G0,W6,D2,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.76/1.17    unequally_directed_lines( X, Y ) }.
% 0.76/1.17  (348) {G0,W6,D2,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.76/1.17    unequally_directed_opposite_lines( X, Y ) }.
% 0.76/1.17  (349) {G0,W9,D2,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_opposite_lines( X, Y ), convergent_lines( X, Y ) }.
% 0.76/1.17  (350) {G0,W12,D2,L3,V3,M3}  { ! divides_points( Z, X, Y ), alpha1( X, Y, Z
% 0.76/1.17     ), alpha4( X, Y, Z ) }.
% 0.76/1.17  (351) {G0,W8,D2,L2,V3,M2}  { ! alpha1( X, Y, Z ), divides_points( Z, X, Y )
% 0.76/1.17     }.
% 0.76/1.17  (352) {G0,W8,D2,L2,V3,M2}  { ! alpha4( X, Y, Z ), divides_points( Z, X, Y )
% 0.76/1.17     }.
% 0.76/1.17  (353) {G0,W7,D2,L2,V3,M2}  { ! alpha4( X, Y, Z ), right_apart_point( X, Z )
% 0.76/1.17     }.
% 0.76/1.17  (354) {G0,W7,D2,L2,V3,M2}  { ! alpha4( X, Y, Z ), left_apart_point( Y, Z )
% 0.76/1.17     }.
% 0.76/1.17  (355) {G0,W10,D2,L3,V3,M3}  { ! right_apart_point( X, Z ), ! 
% 0.76/1.17    left_apart_point( Y, Z ), alpha4( X, Y, Z ) }.
% 0.76/1.17  (356) {G0,W7,D2,L2,V3,M2}  { ! alpha1( X, Y, Z ), left_apart_point( X, Z )
% 0.76/1.17     }.
% 0.76/1.17  (357) {G0,W7,D2,L2,V3,M2}  { ! alpha1( X, Y, Z ), right_apart_point( Y, Z )
% 0.76/1.17     }.
% 0.76/1.17  (358) {G0,W10,D2,L3,V3,M3}  { ! left_apart_point( X, Z ), ! 
% 0.76/1.17    right_apart_point( Y, Z ), alpha1( X, Y, Z ) }.
% 0.76/1.17  (359) {G0,W7,D2,L2,V3,M2}  { ! before_on_line( X, Y, Z ), distinct_points( 
% 0.76/1.17    Y, Z ) }.
% 0.76/1.17  (360) {G0,W8,D2,L2,V3,M2}  { ! before_on_line( X, Y, Z ), alpha2( X, Y, Z )
% 0.76/1.17     }.
% 0.76/1.17  (361) {G0,W11,D2,L3,V3,M3}  { ! distinct_points( Y, Z ), ! alpha2( X, Y, Z
% 0.76/1.17     ), before_on_line( X, Y, Z ) }.
% 0.76/1.17  (362) {G0,W7,D2,L2,V3,M2}  { ! alpha2( X, Y, Z ), incident_point_and_line( 
% 0.76/1.17    Y, X ) }.
% 0.76/1.17  (363) {G0,W8,D2,L2,V3,M2}  { ! alpha2( X, Y, Z ), alpha5( X, Y, Z ) }.
% 0.76/1.17  (364) {G0,W11,D2,L3,V3,M3}  { ! incident_point_and_line( Y, X ), ! alpha5( 
% 0.76/1.17    X, Y, Z ), alpha2( X, Y, Z ) }.
% 0.76/1.17  (365) {G0,W7,D2,L2,V3,M2}  { ! alpha5( X, Y, Z ), incident_point_and_line( 
% 0.76/1.17    Z, X ) }.
% 0.76/1.17  (366) {G0,W9,D3,L2,V3,M2}  { ! alpha5( X, Y, Z ), equally_directed_lines( X
% 0.76/1.17    , line_connecting( Y, Z ) ) }.
% 0.76/1.17  (367) {G0,W12,D3,L3,V3,M3}  { ! incident_point_and_line( Z, X ), ! 
% 0.76/1.17    equally_directed_lines( X, line_connecting( Y, Z ) ), alpha5( X, Y, Z )
% 0.76/1.17     }.
% 0.76/1.17  (368) {G0,W15,D2,L3,V4,M3}  { ! between_on_line( X, Y, Z, T ), alpha3( X, Y
% 0.76/1.17    , Z, T ), alpha6( X, Y, Z, T ) }.
% 0.76/1.17  (369) {G0,W10,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), between_on_line( X, Y
% 0.76/1.17    , Z, T ) }.
% 0.76/1.17  (370) {G0,W10,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), between_on_line( X, Y
% 0.76/1.17    , Z, T ) }.
% 0.76/1.17  (371) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), before_on_line( X, T, 
% 0.76/1.17    Z ) }.
% 0.76/1.17  (372) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), before_on_line( X, Z, 
% 0.76/1.17    Y ) }.
% 0.76/1.17  (373) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, T, Z ), ! before_on_line
% 0.76/1.17    ( X, Z, Y ), alpha6( X, Y, Z, T ) }.
% 0.76/1.17  (374) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), before_on_line( X, Y, 
% 0.76/1.17    Z ) }.
% 0.76/1.17  (375) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), before_on_line( X, Z, 
% 0.76/1.17    T ) }.
% 0.76/1.17  (376) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, Y, Z ), ! before_on_line
% 0.76/1.17    ( X, Z, T ), alpha3( X, Y, Z, T ) }.
% 0.76/1.17  (377) {G0,W3,D2,L1,V1,M1}  { ! distinct_points( X, X ) }.
% 0.76/1.17  (378) {G0,W9,D2,L3,V3,M3}  { ! distinct_points( X, Y ), distinct_points( X
% 0.76/1.17    , Z ), distinct_points( Y, Z ) }.
% 0.76/1.17  (379) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 0.76/1.17  (380) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), distinct_lines( X, Z
% 0.76/1.17     ), distinct_lines( Y, Z ) }.
% 0.76/1.17  (381) {G0,W3,D2,L1,V1,M1}  { equally_directed_lines( X, X ) }.
% 0.76/1.17  (382) {G0,W9,D2,L3,V3,M3}  { ! unequally_directed_lines( X, Y ), 
% 0.76/1.17    unequally_directed_lines( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.76/1.17  (383) {G0,W13,D3,L4,V3,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), alpha7( X, Z ), 
% 0.76/1.17    unequally_directed_lines( Y, Z ) }.
% 0.76/1.17  (384) {G0,W14,D3,L4,V3,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), alpha7( X, Z ), 
% 0.76/1.17    unequally_directed_lines( Y, reverse_line( Z ) ) }.
% 0.76/1.17  (385) {G0,W6,D2,L2,V2,M2}  { ! alpha7( X, Y ), unequally_directed_lines( X
% 0.76/1.17    , Y ) }.
% 0.76/1.17  (386) {G0,W7,D3,L2,V2,M2}  { ! alpha7( X, Y ), unequally_directed_lines( X
% 0.76/1.17    , reverse_line( Y ) ) }.
% 0.76/1.17  (387) {G0,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), alpha7( X, Y ) }.
% 0.76/1.17  (388) {G0,W7,D3,L2,V2,M2}  { unequally_directed_lines( X, Y ), 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  (389) {G0,W14,D3,L4,V2,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines( 
% 0.76/1.17    X, Y ), left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  (390) {G0,W3,D2,L1,V2,M1}  { ! left_apart_point( X, Y ) }.
% 0.76/1.17  (391) {G0,W4,D3,L1,V2,M1}  { ! left_apart_point( X, reverse_line( Y ) ) }.
% 0.76/1.17  (392) {G0,W3,D2,L1,V2,M1}  { ! left_convergent_lines( X, Y ) }.
% 0.76/1.17  (393) {G0,W4,D3,L1,V2,M1}  { ! left_convergent_lines( X, reverse_line( Y )
% 0.76/1.17     ) }.
% 0.76/1.17  (394) {G0,W11,D3,L4,V2,M4}  { ! point( X ), ! point( Y ), ! distinct_points
% 0.76/1.17    ( X, Y ), line( line_connecting( X, Y ) ) }.
% 0.76/1.17  (395) {G0,W15,D3,L5,V2,M5}  { ! line( X ), ! line( Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.76/1.17    reverse_line( Y ) ), point( intersection_point( X, Y ) ) }.
% 0.76/1.17  (396) {G0,W8,D3,L3,V2,M3}  { ! point( Y ), ! line( X ), line( 
% 0.76/1.17    parallel_through_point( X, Y ) ) }.
% 0.76/1.17  (397) {G0,W5,D3,L2,V1,M2}  { ! line( X ), line( reverse_line( X ) ) }.
% 0.76/1.17  (398) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.76/1.17    apart_point_and_line( X, line_connecting( X, Y ) ) }.
% 0.76/1.17  (399) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.76/1.17    apart_point_and_line( Y, line_connecting( X, Y ) ) }.
% 0.76/1.17  (400) {G0,W12,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), ! apart_point_and_line
% 0.76/1.17    ( intersection_point( X, Y ), X ) }.
% 0.76/1.17  (401) {G0,W12,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), ! apart_point_and_line
% 0.76/1.17    ( intersection_point( X, Y ), Y ) }.
% 0.76/1.17  (402) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.76/1.17    parallel_through_point( Y, X ) ) }.
% 0.76/1.17  (403) {G0,W4,D3,L1,V1,M1}  { ! distinct_lines( X, reverse_line( X ) ) }.
% 0.76/1.17  (404) {G0,W11,D4,L2,V2,M2}  { ! distinct_points( X, Y ), 
% 0.76/1.17    equally_directed_lines( line_connecting( X, Y ), reverse_line( 
% 0.76/1.17    line_connecting( Y, X ) ) ) }.
% 0.76/1.17  (405) {G0,W5,D3,L1,V2,M1}  { equally_directed_lines( parallel_through_point
% 0.76/1.17    ( Y, X ), Y ) }.
% 0.76/1.17  (406) {G0,W34,D3,L10,V4,M10}  { ! distinct_points( X, Y ), ! distinct_lines
% 0.76/1.17    ( Z, T ), left_apart_point( X, Z ), left_apart_point( Y, Z ), 
% 0.76/1.17    left_apart_point( X, T ), left_apart_point( Y, T ), left_apart_point( X, 
% 0.76/1.17    reverse_line( Z ) ), left_apart_point( Y, reverse_line( Z ) ), 
% 0.76/1.17    left_apart_point( X, reverse_line( T ) ), left_apart_point( Y, 
% 0.76/1.17    reverse_line( T ) ) }.
% 0.76/1.17  (407) {G0,W14,D3,L4,V3,M4}  { ! distinct_points( X, Y ), ! left_apart_point
% 0.76/1.17    ( X, Z ), left_apart_point( Y, Z ), left_convergent_lines( 
% 0.76/1.17    line_connecting( X, Y ), Z ) }.
% 0.76/1.17  (408) {G0,W9,D2,L3,V3,M3}  { ! left_apart_point( X, Y ), distinct_points( X
% 0.76/1.17    , Z ), left_apart_point( Z, Y ) }.
% 0.76/1.17  (409) {G0,W13,D3,L4,V3,M4}  { ! left_apart_point( X, Y ), ! 
% 0.76/1.17    unequally_directed_lines( Y, Z ), distinct_lines( Y, Z ), 
% 0.76/1.17    left_apart_point( X, reverse_line( Z ) ) }.
% 0.76/1.17  (410) {G0,W9,D2,L3,V3,M3}  { ! left_convergent_lines( X, Y ), 
% 0.76/1.17    unequally_directed_lines( Y, Z ), left_convergent_lines( X, Z ) }.
% 0.76/1.17  (411) {G0,W5,D2,L1,V0,M1}  { between_on_line( skol4, skol2, skol5, skol3 )
% 0.76/1.17     }.
% 0.76/1.17  (412) {G0,W3,D2,L1,V0,M1}  { convergent_lines( skol4, skol1 ) }.
% 0.76/1.17  (413) {G0,W3,D2,L1,V0,M1}  { incident_point_and_line( skol5, skol1 ) }.
% 0.76/1.17  (414) {G0,W4,D2,L1,V0,M1}  { ! divides_points( skol1, skol2, skol3 ) }.
% 0.76/1.17  
% 0.76/1.17  
% 0.76/1.17  Total Proof:
% 0.76/1.17  
% 0.76/1.17  subsumption: (0) {G0,W7,D3,L2,V2,M1} I { ! 
% 0.76/1.17    unequally_directed_opposite_lines( X, Y ), unequally_directed_lines( X, 
% 0.76/1.17    reverse_line( Y ) ) }.
% 0.76/1.17  parent0: (334) {G0,W7,D3,L2,V2,M2}  { ! unequally_directed_opposite_lines( 
% 0.76/1.17    X, Y ), unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := X
% 0.76/1.17     Y := Y
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 0
% 0.76/1.17     1 ==> 1
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (13) {G0,W6,D2,L2,V2,M1} I { unequally_directed_lines( X, Y )
% 0.76/1.17    , ! convergent_lines( X, Y ) }.
% 0.76/1.17  parent0: (347) {G0,W6,D2,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.76/1.17    unequally_directed_lines( X, Y ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := X
% 0.76/1.17     Y := Y
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 1
% 0.76/1.17     1 ==> 0
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (14) {G0,W6,D2,L2,V2,M1} I { unequally_directed_opposite_lines
% 0.76/1.17    ( X, Y ), ! convergent_lines( X, Y ) }.
% 0.76/1.17  parent0: (348) {G0,W6,D2,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.76/1.17    unequally_directed_opposite_lines( X, Y ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := X
% 0.76/1.17     Y := Y
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 1
% 0.76/1.17     1 ==> 0
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (55) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y
% 0.76/1.17     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.76/1.17    left_convergent_lines( X, reverse_line( Y ) ), left_convergent_lines( X, 
% 0.76/1.17    Y ) }.
% 0.76/1.17  parent0: (389) {G0,W14,D3,L4,V2,M4}  { ! unequally_directed_lines( X, Y ), 
% 0.76/1.17    ! unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines
% 0.76/1.17    ( X, Y ), left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := X
% 0.76/1.17     Y := Y
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 0
% 0.76/1.17     1 ==> 1
% 0.76/1.17     2 ==> 3
% 0.76/1.17     3 ==> 2
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (57) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.76/1.17     }.
% 0.76/1.17  parent0: (392) {G0,W3,D2,L1,V2,M1}  { ! left_convergent_lines( X, Y ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := X
% 0.76/1.17     Y := Y
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 0
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (72) {G0,W3,D2,L1,V0,M1} I { convergent_lines( skol4, skol1 )
% 0.76/1.17     }.
% 0.76/1.17  parent0: (412) {G0,W3,D2,L1,V0,M1}  { convergent_lines( skol4, skol1 ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 0
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  resolution: (458) {G1,W3,D2,L1,V0,M1}  { unequally_directed_opposite_lines
% 0.76/1.17    ( skol4, skol1 ) }.
% 0.76/1.17  parent0[1]: (14) {G0,W6,D2,L2,V2,M1} I { unequally_directed_opposite_lines
% 0.76/1.17    ( X, Y ), ! convergent_lines( X, Y ) }.
% 0.76/1.17  parent1[0]: (72) {G0,W3,D2,L1,V0,M1} I { convergent_lines( skol4, skol1 )
% 0.76/1.17     }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := skol4
% 0.76/1.17     Y := skol1
% 0.76/1.17  end
% 0.76/1.17  substitution1:
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (84) {G1,W3,D2,L1,V0,M1} R(14,72) { 
% 0.76/1.17    unequally_directed_opposite_lines( skol4, skol1 ) }.
% 0.76/1.17  parent0: (458) {G1,W3,D2,L1,V0,M1}  { unequally_directed_opposite_lines( 
% 0.76/1.17    skol4, skol1 ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 0
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  resolution: (459) {G1,W3,D2,L1,V0,M1}  { unequally_directed_lines( skol4, 
% 0.76/1.17    skol1 ) }.
% 0.76/1.17  parent0[1]: (13) {G0,W6,D2,L2,V2,M1} I { unequally_directed_lines( X, Y ), 
% 0.76/1.17    ! convergent_lines( X, Y ) }.
% 0.76/1.17  parent1[0]: (72) {G0,W3,D2,L1,V0,M1} I { convergent_lines( skol4, skol1 )
% 0.76/1.17     }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := skol4
% 0.76/1.17     Y := skol1
% 0.76/1.17  end
% 0.76/1.17  substitution1:
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (85) {G1,W3,D2,L1,V0,M1} R(13,72) { unequally_directed_lines( 
% 0.76/1.17    skol4, skol1 ) }.
% 0.76/1.17  parent0: (459) {G1,W3,D2,L1,V0,M1}  { unequally_directed_lines( skol4, 
% 0.76/1.17    skol1 ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 0
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  resolution: (460) {G1,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y
% 0.76/1.17     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.76/1.17    left_convergent_lines( X, Y ) }.
% 0.76/1.17  parent0[0]: (57) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.76/1.17     }.
% 0.76/1.17  parent1[2]: (55) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y
% 0.76/1.17     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.76/1.17    left_convergent_lines( X, reverse_line( Y ) ), left_convergent_lines( X, 
% 0.76/1.17    Y ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := X
% 0.76/1.17     Y := reverse_line( Y )
% 0.76/1.17  end
% 0.76/1.17  substitution1:
% 0.76/1.17     X := X
% 0.76/1.17     Y := Y
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  resolution: (462) {G1,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, Y )
% 0.76/1.17    , ! unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  parent0[0]: (57) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.76/1.17     }.
% 0.76/1.17  parent1[2]: (460) {G1,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y
% 0.76/1.17     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.76/1.17    left_convergent_lines( X, Y ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := X
% 0.76/1.17     Y := Y
% 0.76/1.17  end
% 0.76/1.17  substitution1:
% 0.76/1.17     X := X
% 0.76/1.17     Y := Y
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (254) {G1,W7,D3,L2,V2,M2} S(55);r(57);r(57) { ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), ! 
% 0.76/1.17    unequally_directed_lines( X, Y ) }.
% 0.76/1.17  parent0: (462) {G1,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, Y ), !
% 0.76/1.17     unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := X
% 0.76/1.17     Y := Y
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 1
% 0.76/1.17     1 ==> 0
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  resolution: (463) {G2,W4,D3,L1,V0,M1}  { ! unequally_directed_lines( skol4
% 0.76/1.17    , reverse_line( skol1 ) ) }.
% 0.76/1.17  parent0[1]: (254) {G1,W7,D3,L2,V2,M2} S(55);r(57);r(57) { ! 
% 0.76/1.17    unequally_directed_lines( X, reverse_line( Y ) ), ! 
% 0.76/1.17    unequally_directed_lines( X, Y ) }.
% 0.76/1.17  parent1[0]: (85) {G1,W3,D2,L1,V0,M1} R(13,72) { unequally_directed_lines( 
% 0.76/1.17    skol4, skol1 ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17     X := skol4
% 0.76/1.17     Y := skol1
% 0.76/1.17  end
% 0.76/1.17  substitution1:
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (308) {G2,W4,D3,L1,V0,M1} R(254,85) { ! 
% 0.76/1.17    unequally_directed_lines( skol4, reverse_line( skol1 ) ) }.
% 0.76/1.17  parent0: (463) {G2,W4,D3,L1,V0,M1}  { ! unequally_directed_lines( skol4, 
% 0.76/1.17    reverse_line( skol1 ) ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17     0 ==> 0
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  resolution: (464) {G1,W3,D2,L1,V0,M1}  { ! 
% 0.76/1.17    unequally_directed_opposite_lines( skol4, skol1 ) }.
% 0.76/1.17  parent0[0]: (308) {G2,W4,D3,L1,V0,M1} R(254,85) { ! 
% 0.76/1.17    unequally_directed_lines( skol4, reverse_line( skol1 ) ) }.
% 0.76/1.17  parent1[1]: (0) {G0,W7,D3,L2,V2,M1} I { ! unequally_directed_opposite_lines
% 0.76/1.17    ( X, Y ), unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17  end
% 0.76/1.17  substitution1:
% 0.76/1.17     X := skol4
% 0.76/1.17     Y := skol1
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  resolution: (465) {G2,W0,D0,L0,V0,M0}  {  }.
% 0.76/1.17  parent0[0]: (464) {G1,W3,D2,L1,V0,M1}  { ! 
% 0.76/1.17    unequally_directed_opposite_lines( skol4, skol1 ) }.
% 0.76/1.17  parent1[0]: (84) {G1,W3,D2,L1,V0,M1} R(14,72) { 
% 0.76/1.17    unequally_directed_opposite_lines( skol4, skol1 ) }.
% 0.76/1.17  substitution0:
% 0.76/1.17  end
% 0.76/1.17  substitution1:
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  subsumption: (332) {G3,W0,D0,L0,V0,M0} R(308,0);r(84) {  }.
% 0.76/1.17  parent0: (465) {G2,W0,D0,L0,V0,M0}  {  }.
% 0.76/1.17  substitution0:
% 0.76/1.17  end
% 0.76/1.17  permutation0:
% 0.76/1.17  end
% 0.76/1.17  
% 0.76/1.17  Proof check complete!
% 0.76/1.17  
% 0.76/1.17  Memory use:
% 0.76/1.17  
% 0.76/1.17  space for terms:        4627
% 0.76/1.17  space for clauses:      17216
% 0.76/1.17  
% 0.76/1.17  
% 0.76/1.17  clauses generated:      822
% 0.76/1.17  clauses kept:           333
% 0.76/1.17  clauses selected:       134
% 0.76/1.17  clauses deleted:        20
% 0.76/1.17  clauses inuse deleted:  0
% 0.76/1.17  
% 0.76/1.17  subsentry:          3181
% 0.76/1.17  literals s-matched: 1717
% 0.76/1.17  literals matched:   1667
% 0.76/1.17  full subsumption:   461
% 0.76/1.17  
% 0.76/1.17  checksum:           -1792825370
% 0.76/1.17  
% 0.76/1.17  
% 0.76/1.17  Bliksem ended
%------------------------------------------------------------------------------