TSTP Solution File: GEO258+1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GEO258+1 : TPTP v8.1.0. Bugfixed v6.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n026.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 02:53:21 EDT 2022

% Result   : Theorem 0.72s 1.18s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : GEO258+1 : TPTP v8.1.0. Bugfixed v6.4.0.
% 0.11/0.12  % Command  : bliksem %s
% 0.12/0.33  % Computer : n026.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % DateTime : Sat Jun 18 07:08:54 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.41/1.09  *** allocated 10000 integers for termspace/termends
% 0.41/1.09  *** allocated 10000 integers for clauses
% 0.41/1.09  *** allocated 10000 integers for justifications
% 0.41/1.09  Bliksem 1.12
% 0.41/1.09  
% 0.41/1.09  
% 0.41/1.09  Automatic Strategy Selection
% 0.41/1.09  
% 0.41/1.09  
% 0.41/1.09  Clauses:
% 0.41/1.09  
% 0.41/1.09  { ! apart_point_and_line( X, Y ), left_apart_point( X, Y ), 
% 0.41/1.09    left_apart_point( X, reverse_line( Y ) ) }.
% 0.41/1.09  { ! left_apart_point( X, Y ), apart_point_and_line( X, Y ) }.
% 0.41/1.09  { ! left_apart_point( X, reverse_line( Y ) ), apart_point_and_line( X, Y )
% 0.41/1.09     }.
% 0.41/1.09  { ! convergent_lines( X, Y ), unequally_directed_lines( X, Y ) }.
% 0.41/1.09  { ! convergent_lines( X, Y ), unequally_directed_lines( X, reverse_line( Y
% 0.41/1.09     ) ) }.
% 0.41/1.09  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.41/1.09    reverse_line( Y ) ), convergent_lines( X, Y ) }.
% 0.41/1.09  { ! divides_points( Z, X, Y ), alpha1( X, Y, Z ), alpha4( X, Y, Z ) }.
% 0.41/1.09  { ! alpha1( X, Y, Z ), divides_points( Z, X, Y ) }.
% 0.41/1.09  { ! alpha4( X, Y, Z ), divides_points( Z, X, Y ) }.
% 0.41/1.09  { ! alpha4( X, Y, Z ), left_apart_point( X, reverse_line( Z ) ) }.
% 0.41/1.09  { ! alpha4( X, Y, Z ), left_apart_point( Y, Z ) }.
% 0.41/1.09  { ! left_apart_point( X, reverse_line( Z ) ), ! left_apart_point( Y, Z ), 
% 0.41/1.09    alpha4( X, Y, Z ) }.
% 0.41/1.09  { ! alpha1( X, Y, Z ), left_apart_point( X, Z ) }.
% 0.41/1.09  { ! alpha1( X, Y, Z ), left_apart_point( Y, reverse_line( Z ) ) }.
% 0.41/1.09  { ! left_apart_point( X, Z ), ! left_apart_point( Y, reverse_line( Z ) ), 
% 0.41/1.09    alpha1( X, Y, Z ) }.
% 0.41/1.09  { ! before_on_line( X, Y, Z ), distinct_points( Y, Z ) }.
% 0.41/1.09  { ! before_on_line( X, Y, Z ), alpha7( X, Y, Z ) }.
% 0.41/1.09  { ! distinct_points( Y, Z ), ! alpha7( X, Y, Z ), before_on_line( X, Y, Z )
% 0.41/1.09     }.
% 0.41/1.09  { ! alpha7( X, Y, Z ), alpha2( X, Y ) }.
% 0.41/1.09  { ! alpha7( X, Y, Z ), alpha8( X, Y, Z ) }.
% 0.41/1.09  { ! alpha2( X, Y ), ! alpha8( X, Y, Z ), alpha7( X, Y, Z ) }.
% 0.41/1.09  { ! alpha8( X, Y, Z ), alpha5( X, Z ) }.
% 0.41/1.09  { ! alpha8( X, Y, Z ), ! unequally_directed_lines( X, line_connecting( Y, Z
% 0.41/1.09     ) ) }.
% 0.41/1.09  { ! alpha5( X, Z ), unequally_directed_lines( X, line_connecting( Y, Z ) )
% 0.41/1.09    , alpha8( X, Y, Z ) }.
% 0.41/1.09  { ! alpha5( X, Y ), ! left_apart_point( Y, X ) }.
% 0.41/1.09  { ! alpha5( X, Y ), ! left_apart_point( Y, reverse_line( X ) ) }.
% 0.41/1.09  { left_apart_point( Y, X ), left_apart_point( Y, reverse_line( X ) ), 
% 0.41/1.09    alpha5( X, Y ) }.
% 0.41/1.09  { ! alpha2( X, Y ), ! left_apart_point( Y, X ) }.
% 0.41/1.09  { ! alpha2( X, Y ), ! left_apart_point( Y, reverse_line( X ) ) }.
% 0.41/1.09  { left_apart_point( Y, X ), left_apart_point( Y, reverse_line( X ) ), 
% 0.41/1.09    alpha2( X, Y ) }.
% 0.41/1.09  { ! between_on_line( X, Y, Z, T ), alpha3( X, Y, Z, T ), alpha6( X, Y, Z, T
% 0.41/1.09     ) }.
% 0.41/1.09  { ! alpha3( X, Y, Z, T ), between_on_line( X, Y, Z, T ) }.
% 0.41/1.09  { ! alpha6( X, Y, Z, T ), between_on_line( X, Y, Z, T ) }.
% 0.41/1.09  { ! alpha6( X, Y, Z, T ), before_on_line( X, T, Z ) }.
% 0.41/1.09  { ! alpha6( X, Y, Z, T ), before_on_line( X, Z, Y ) }.
% 0.41/1.09  { ! before_on_line( X, T, Z ), ! before_on_line( X, Z, Y ), alpha6( X, Y, Z
% 0.41/1.09    , T ) }.
% 0.41/1.09  { ! alpha3( X, Y, Z, T ), before_on_line( X, Y, Z ) }.
% 0.41/1.09  { ! alpha3( X, Y, Z, T ), before_on_line( X, Z, T ) }.
% 0.41/1.09  { ! before_on_line( X, Y, Z ), ! before_on_line( X, Z, T ), alpha3( X, Y, Z
% 0.41/1.09    , T ) }.
% 0.41/1.09  { ! distinct_points( X, X ) }.
% 0.41/1.09  { ! distinct_points( X, Y ), distinct_points( X, Z ), distinct_points( Y, Z
% 0.41/1.09     ) }.
% 0.41/1.09  { ! distinct_lines( X, X ) }.
% 0.41/1.09  { ! distinct_lines( X, Y ), distinct_lines( X, Z ), distinct_lines( Y, Z )
% 0.41/1.09     }.
% 0.41/1.09  { ! unequally_directed_lines( X, X ) }.
% 0.41/1.09  { ! unequally_directed_lines( X, Y ), unequally_directed_lines( X, Z ), 
% 0.41/1.09    unequally_directed_lines( Y, Z ) }.
% 0.41/1.09  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.41/1.09    reverse_line( Y ) ), alpha9( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.41/1.09  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.41/1.09    reverse_line( Y ) ), alpha9( X, Z ), unequally_directed_lines( Y, 
% 0.41/1.09    reverse_line( Z ) ) }.
% 0.41/1.09  { ! alpha9( X, Y ), unequally_directed_lines( X, Y ) }.
% 0.41/1.09  { ! alpha9( X, Y ), unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.41/1.09  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.41/1.09    reverse_line( Y ) ), alpha9( X, Y ) }.
% 0.41/1.09  { ! line( X ), ! line( Y ), unequally_directed_lines( X, Y ), 
% 0.41/1.09    unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.41/1.09  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.41/1.09    reverse_line( Y ) ), left_convergent_lines( X, Y ), left_convergent_lines
% 0.41/1.09    ( X, reverse_line( Y ) ) }.
% 0.72/1.18  { ! left_apart_point( X, Y ) }.
% 0.72/1.18  { ! left_apart_point( X, reverse_line( Y ) ) }.
% 0.72/1.18  { ! left_convergent_lines( X, Y ) }.
% 0.72/1.18  { ! left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.72/1.18  { ! point( X ), ! point( Y ), ! distinct_points( X, Y ), line( 
% 0.72/1.18    line_connecting( X, Y ) ) }.
% 0.72/1.18  { ! line( X ), ! line( Y ), ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), point( 
% 0.72/1.18    intersection_point( X, Y ) ) }.
% 0.72/1.18  { ! point( Y ), ! line( X ), line( parallel_through_point( X, Y ) ) }.
% 0.72/1.18  { ! line( X ), line( reverse_line( X ) ) }.
% 0.72/1.18  { ! distinct_points( X, Y ), ! apart_point_and_line( X, line_connecting( X
% 0.72/1.18    , Y ) ) }.
% 0.72/1.18  { ! distinct_points( X, Y ), ! apart_point_and_line( Y, line_connecting( X
% 0.72/1.18    , Y ) ) }.
% 0.72/1.18  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.18    reverse_line( Y ) ), ! apart_point_and_line( intersection_point( X, Y ), 
% 0.72/1.18    X ) }.
% 0.72/1.18  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.18    reverse_line( Y ) ), ! apart_point_and_line( intersection_point( X, Y ), 
% 0.72/1.18    Y ) }.
% 0.72/1.18  { ! apart_point_and_line( X, parallel_through_point( Y, X ) ) }.
% 0.72/1.18  { ! distinct_lines( X, reverse_line( X ) ) }.
% 0.72/1.18  { ! unequally_directed_lines( line_connecting( X, Y ), reverse_line( 
% 0.72/1.18    line_connecting( Y, X ) ) ) }.
% 0.72/1.18  { ! unequally_directed_lines( parallel_through_point( Y, X ), Y ) }.
% 0.72/1.18  { ! distinct_points( X, Y ), ! distinct_lines( Z, T ), left_apart_point( X
% 0.72/1.18    , Z ), left_apart_point( Y, Z ), left_apart_point( X, T ), 
% 0.72/1.18    left_apart_point( Y, T ), left_apart_point( X, reverse_line( Z ) ), 
% 0.72/1.18    left_apart_point( Y, reverse_line( Z ) ), left_apart_point( X, 
% 0.72/1.18    reverse_line( T ) ), left_apart_point( Y, reverse_line( T ) ) }.
% 0.72/1.18  { ! distinct_points( X, Y ), ! left_apart_point( X, Z ), left_apart_point( 
% 0.72/1.18    Y, Z ), left_convergent_lines( line_connecting( X, Y ), Z ) }.
% 0.72/1.18  { ! left_apart_point( X, Y ), distinct_points( X, Z ), left_apart_point( Z
% 0.72/1.18    , Y ) }.
% 0.72/1.18  { ! left_apart_point( X, Y ), ! unequally_directed_lines( Y, Z ), 
% 0.72/1.18    distinct_lines( Y, Z ), left_apart_point( X, reverse_line( Z ) ) }.
% 0.72/1.18  { ! left_convergent_lines( X, Y ), unequally_directed_lines( Y, Z ), 
% 0.72/1.18    left_convergent_lines( X, Z ) }.
% 0.72/1.18  { between_on_line( skol1, skol2, skol3, skol4 ) }.
% 0.72/1.18  { ! between_on_line( skol1, skol4, skol3, skol2 ) }.
% 0.72/1.18  
% 0.72/1.18  percentage equality = 0.000000, percentage horn = 0.797101
% 0.72/1.18  This a non-horn, non-equality problem
% 0.72/1.18  
% 0.72/1.18  
% 0.72/1.18  Options Used:
% 0.72/1.18  
% 0.72/1.18  useres =            1
% 0.72/1.18  useparamod =        0
% 0.72/1.18  useeqrefl =         0
% 0.72/1.18  useeqfact =         0
% 0.72/1.18  usefactor =         1
% 0.72/1.18  usesimpsplitting =  0
% 0.72/1.18  usesimpdemod =      0
% 0.72/1.18  usesimpres =        3
% 0.72/1.18  
% 0.72/1.18  resimpinuse      =  1000
% 0.72/1.18  resimpclauses =     20000
% 0.72/1.18  substype =          standard
% 0.72/1.18  backwardsubs =      1
% 0.72/1.18  selectoldest =      5
% 0.72/1.18  
% 0.72/1.18  litorderings [0] =  split
% 0.72/1.18  litorderings [1] =  liftord
% 0.72/1.18  
% 0.72/1.18  termordering =      none
% 0.72/1.18  
% 0.72/1.18  litapriori =        1
% 0.72/1.18  termapriori =       0
% 0.72/1.18  litaposteriori =    0
% 0.72/1.18  termaposteriori =   0
% 0.72/1.18  demodaposteriori =  0
% 0.72/1.18  ordereqreflfact =   0
% 0.72/1.18  
% 0.72/1.18  litselect =         none
% 0.72/1.18  
% 0.72/1.18  maxweight =         15
% 0.72/1.18  maxdepth =          30000
% 0.72/1.18  maxlength =         115
% 0.72/1.18  maxnrvars =         195
% 0.72/1.18  excuselevel =       1
% 0.72/1.18  increasemaxweight = 1
% 0.72/1.18  
% 0.72/1.18  maxselected =       10000000
% 0.72/1.18  maxnrclauses =      10000000
% 0.72/1.18  
% 0.72/1.18  showgenerated =    0
% 0.72/1.18  showkept =         0
% 0.72/1.18  showselected =     0
% 0.72/1.18  showdeleted =      0
% 0.72/1.18  showresimp =       1
% 0.72/1.18  showstatus =       2000
% 0.72/1.18  
% 0.72/1.18  prologoutput =     0
% 0.72/1.18  nrgoals =          5000000
% 0.72/1.18  totalproof =       1
% 0.72/1.18  
% 0.72/1.18  Symbols occurring in the translation:
% 0.72/1.18  
% 0.72/1.18  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.72/1.18  .  [1, 2]      (w:1, o:24, a:1, s:1, b:0), 
% 0.72/1.18  !  [4, 1]      (w:0, o:16, a:1, s:1, b:0), 
% 0.72/1.18  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.18  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.72/1.18  apart_point_and_line  [37, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.72/1.18  left_apart_point  [38, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.72/1.18  reverse_line  [39, 1]      (w:1, o:21, a:1, s:1, b:0), 
% 0.72/1.18  convergent_lines  [41, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 0.72/1.18  unequally_directed_lines  [42, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.72/1.18  divides_points  [44, 3]      (w:1, o:61, a:1, s:1, b:0), 
% 0.72/1.18  before_on_line  [45, 3]      (w:1, o:66, a:1, s:1, b:0), 
% 0.72/1.18  distinct_points  [46, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.72/1.18  line_connecting  [47, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.72/1.18  between_on_line  [49, 4]      (w:1, o:69, a:1, s:1, b:0), 
% 0.72/1.18  distinct_lines  [50, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.72/1.18  line  [52, 1]      (w:1, o:22, a:1, s:1, b:0), 
% 0.72/1.18  left_convergent_lines  [53, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 0.72/1.18  point  [54, 1]      (w:1, o:23, a:1, s:1, b:0), 
% 0.72/1.18  intersection_point  [55, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 0.72/1.18  parallel_through_point  [56, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 0.72/1.18  alpha1  [57, 3]      (w:1, o:62, a:1, s:1, b:0), 
% 0.72/1.18  alpha2  [58, 2]      (w:1, o:58, a:1, s:1, b:0), 
% 0.72/1.18  alpha3  [59, 4]      (w:1, o:67, a:1, s:1, b:0), 
% 0.72/1.18  alpha4  [60, 3]      (w:1, o:63, a:1, s:1, b:0), 
% 0.72/1.18  alpha5  [61, 2]      (w:1, o:59, a:1, s:1, b:0), 
% 0.72/1.18  alpha6  [62, 4]      (w:1, o:68, a:1, s:1, b:0), 
% 0.72/1.18  alpha7  [63, 3]      (w:1, o:64, a:1, s:1, b:0), 
% 0.72/1.18  alpha8  [64, 3]      (w:1, o:65, a:1, s:1, b:0), 
% 0.72/1.18  alpha9  [65, 2]      (w:1, o:60, a:1, s:1, b:0), 
% 0.72/1.18  skol1  [66, 0]      (w:1, o:12, a:1, s:1, b:0), 
% 0.72/1.18  skol2  [67, 0]      (w:1, o:13, a:1, s:1, b:0), 
% 0.72/1.18  skol3  [68, 0]      (w:1, o:14, a:1, s:1, b:0), 
% 0.72/1.18  skol4  [69, 0]      (w:1, o:15, a:1, s:1, b:0).
% 0.72/1.18  
% 0.72/1.18  
% 0.72/1.18  Starting Search:
% 0.72/1.18  
% 0.72/1.18  *** allocated 15000 integers for clauses
% 0.72/1.18  *** allocated 22500 integers for clauses
% 0.72/1.18  *** allocated 33750 integers for clauses
% 0.72/1.18  *** allocated 50625 integers for clauses
% 0.72/1.18  *** allocated 15000 integers for termspace/termends
% 0.72/1.18  Resimplifying inuse:
% 0.72/1.18  Done
% 0.72/1.18  
% 0.72/1.18  
% 0.72/1.18  Bliksems!, er is een bewijs:
% 0.72/1.18  % SZS status Theorem
% 0.72/1.18  % SZS output start Refutation
% 0.72/1.18  
% 0.72/1.18  (15) {G0,W7,D2,L2,V3,M1} I { distinct_points( Y, Z ), ! before_on_line( X, 
% 0.72/1.18    Y, Z ) }.
% 0.72/1.18  (17) {G0,W11,D2,L3,V3,M1} I { ! distinct_points( Y, Z ), ! alpha7( X, Y, Z
% 0.72/1.18     ), before_on_line( X, Y, Z ) }.
% 0.72/1.18  (20) {G0,W11,D2,L3,V3,M1} I { ! alpha2( X, Y ), alpha7( X, Y, Z ), ! alpha8
% 0.72/1.18    ( X, Y, Z ) }.
% 0.72/1.18  (23) {G0,W12,D3,L3,V3,M1} I { unequally_directed_lines( X, line_connecting
% 0.72/1.18    ( Y, Z ) ), ! alpha5( X, Z ), alpha8( X, Y, Z ) }.
% 0.72/1.18  (26) {G0,W10,D3,L3,V2,M1} I { left_apart_point( Y, X ), left_apart_point( Y
% 0.72/1.18    , reverse_line( X ) ), alpha5( X, Y ) }.
% 0.72/1.18  (29) {G0,W10,D3,L3,V2,M1} I { left_apart_point( Y, X ), left_apart_point( Y
% 0.72/1.18    , reverse_line( X ) ), alpha2( X, Y ) }.
% 0.72/1.18  (30) {G0,W15,D2,L3,V4,M1} I { alpha3( X, Y, Z, T ), alpha6( X, Y, Z, T ), !
% 0.72/1.18     between_on_line( X, Y, Z, T ) }.
% 0.72/1.18  (31) {G0,W10,D2,L2,V4,M1} I { ! alpha3( X, Y, Z, T ), between_on_line( X, Y
% 0.72/1.18    , Z, T ) }.
% 0.72/1.18  (32) {G0,W10,D2,L2,V4,M1} I { ! alpha6( X, Y, Z, T ), between_on_line( X, Y
% 0.72/1.18    , Z, T ) }.
% 0.72/1.18  (33) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, T, Z ), ! alpha6( X, Y, Z, 
% 0.72/1.18    T ) }.
% 0.72/1.18  (34) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Z, Y ), ! alpha6( X, Y, Z, 
% 0.72/1.18    T ) }.
% 0.72/1.18  (35) {G0,W13,D2,L3,V4,M1} I { ! before_on_line( X, T, Z ), ! before_on_line
% 0.72/1.18    ( X, Z, Y ), alpha6( X, Y, Z, T ) }.
% 0.72/1.18  (36) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Y, Z ), ! alpha3( X, Y, Z, 
% 0.72/1.18    T ) }.
% 0.72/1.18  (37) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Z, T ), ! alpha3( X, Y, Z, 
% 0.72/1.18    T ) }.
% 0.72/1.18  (38) {G0,W13,D2,L3,V4,M1} I { ! before_on_line( X, Y, Z ), ! before_on_line
% 0.72/1.18    ( X, Z, T ), alpha3( X, Y, Z, T ) }.
% 0.72/1.18  (39) {G0,W3,D2,L1,V1,M1} I { ! distinct_points( X, X ) }.
% 0.72/1.18  (40) {G0,W9,D2,L3,V3,M3} I { distinct_points( X, Z ), distinct_points( Y, Z
% 0.72/1.18     ), ! distinct_points( X, Y ) }.
% 0.72/1.18  (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X ) }.
% 0.72/1.18  (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.72/1.18    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.72/1.18  (51) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines( 
% 0.72/1.18    X, reverse_line( Y ) ), left_convergent_lines( X, Y ) }.
% 0.72/1.18  (52) {G0,W3,D2,L1,V2,M1} I { ! left_apart_point( X, Y ) }.
% 0.72/1.18  (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y ) }.
% 0.72/1.18  (64) {G0,W8,D4,L1,V2,M1} I { ! unequally_directed_lines( line_connecting( X
% 0.72/1.18    , Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.72/1.18  (65) {G0,W5,D3,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.72/1.18    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.18  (67) {G0,W5,D2,L1,V0,M1} I { between_on_line( skol1, skol2, skol3, skol4 )
% 0.72/1.18     }.
% 0.72/1.18  (68) {G0,W5,D2,L1,V0,M1} I { ! between_on_line( skol1, skol4, skol3, skol2
% 0.72/1.18     ) }.
% 0.72/1.18  (107) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines( Y, X ), 
% 0.72/1.18    unequally_directed_lines( X, Y ) }.
% 0.72/1.18  (118) {G2,W5,D3,L1,V2,M1} R(107,65) { ! unequally_directed_lines( X, 
% 0.72/1.18    parallel_through_point( X, Y ) ) }.
% 0.72/1.18  (119) {G3,W8,D3,L2,V3,M2} R(118,44) { ! unequally_directed_lines( Y, X ), 
% 0.72/1.18    unequally_directed_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.72/1.18  (148) {G1,W15,D3,L4,V3,M1} R(23,20) { unequally_directed_lines( X, 
% 0.72/1.18    line_connecting( Y, Z ) ), ! alpha2( X, Y ), ! alpha5( X, Z ), alpha7( X
% 0.72/1.18    , Y, Z ) }.
% 0.72/1.18  (157) {G1,W3,D2,L1,V2,M1} S(26);r(52);r(52) { alpha5( X, Y ) }.
% 0.72/1.18  (180) {G1,W3,D2,L1,V2,M1} S(29);r(52);r(52) { alpha2( X, Y ) }.
% 0.72/1.18  (189) {G1,W10,D2,L2,V0,M1} R(30,67) { alpha3( skol1, skol2, skol3, skol4 )
% 0.72/1.18    , alpha6( skol1, skol2, skol3, skol4 ) }.
% 0.72/1.18  (217) {G1,W5,D2,L1,V0,M1} R(31,68) { ! alpha3( skol1, skol4, skol3, skol2 )
% 0.72/1.18     }.
% 0.72/1.18  (247) {G1,W5,D2,L1,V0,M1} R(32,68) { ! alpha6( skol1, skol4, skol3, skol2 )
% 0.72/1.18     }.
% 0.72/1.18  (266) {G2,W8,D2,L2,V0,M1} R(35,247) { ! before_on_line( skol1, skol2, skol3
% 0.72/1.18     ), ! before_on_line( skol1, skol3, skol4 ) }.
% 0.72/1.18  (278) {G2,W8,D2,L2,V0,M1} R(38,217) { ! before_on_line( skol1, skol3, skol2
% 0.72/1.18     ), ! before_on_line( skol1, skol4, skol3 ) }.
% 0.72/1.18  (289) {G1,W6,D2,L2,V2,M2} R(40,39) { ! distinct_points( Y, X ), 
% 0.72/1.18    distinct_points( X, Y ) }.
% 0.72/1.18  (411) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! unequally_directed_lines( X
% 0.72/1.18    , reverse_line( Y ) ), ! unequally_directed_lines( X, Y ) }.
% 0.72/1.18  (443) {G2,W7,D3,L2,V2,M2} R(411,107) { ! unequally_directed_lines( Y, X ), 
% 0.72/1.18    ! unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.72/1.18  (493) {G3,W10,D3,L3,V3,M3} R(443,44) { unequally_directed_lines( Z, 
% 0.72/1.18    reverse_line( X ) ), ! unequally_directed_lines( Z, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, Y ) }.
% 0.72/1.18  (494) {G4,W7,D3,L2,V2,M2} F(493) { ! unequally_directed_lines( X, Y ), 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.72/1.18  (514) {G5,W5,D3,L1,V2,M1} R(494,64) { ! unequally_directed_lines( 
% 0.72/1.18    line_connecting( X, X ), Y ) }.
% 0.72/1.18  (519) {G6,W5,D3,L1,V2,M1} R(514,119) { ! unequally_directed_lines( X, 
% 0.72/1.18    line_connecting( Y, Y ) ) }.
% 0.72/1.18  (520) {G7,W3,D2,L1,V2,M1} R(519,44);r(519) { ! unequally_directed_lines( Z
% 0.72/1.18    , X ) }.
% 0.72/1.18  (853) {G2,W9,D2,L2,V0,M1} R(189,33) { before_on_line( skol1, skol4, skol3 )
% 0.72/1.18    , alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.72/1.18  (854) {G2,W9,D2,L2,V0,M1} R(189,34) { before_on_line( skol1, skol3, skol2 )
% 0.72/1.18    , alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.72/1.18  (855) {G3,W8,D2,L2,V0,M1} R(853,36) { before_on_line( skol1, skol2, skol3 )
% 0.72/1.18    , before_on_line( skol1, skol4, skol3 ) }.
% 0.72/1.18  (856) {G3,W8,D2,L2,V0,M1} R(853,37) { before_on_line( skol1, skol4, skol3 )
% 0.72/1.18    , before_on_line( skol1, skol3, skol4 ) }.
% 0.72/1.18  (906) {G8,W4,D2,L1,V3,M1} S(148);r(520);r(180);r(157) { alpha7( X, Y, Z )
% 0.72/1.18     }.
% 0.72/1.18  (922) {G4,W4,D2,L1,V0,M1} R(856,266);r(855) { before_on_line( skol1, skol4
% 0.72/1.18    , skol3 ) }.
% 0.72/1.18  (923) {G5,W4,D2,L1,V0,M1} R(922,278) { ! before_on_line( skol1, skol3, 
% 0.72/1.18    skol2 ) }.
% 0.72/1.18  (924) {G5,W3,D2,L1,V0,M1} R(922,15) { distinct_points( skol4, skol3 ) }.
% 0.72/1.18  (929) {G6,W3,D2,L1,V0,M1} R(924,289) { distinct_points( skol3, skol4 ) }.
% 0.72/1.18  (1002) {G9,W7,D2,L2,V3,M1} S(17);r(906) { ! distinct_points( Y, Z ), 
% 0.72/1.18    before_on_line( X, Y, Z ) }.
% 0.72/1.18  (1004) {G10,W4,D2,L1,V0,M1} R(1002,266);r(929) { ! before_on_line( skol1, 
% 0.72/1.18    skol2, skol3 ) }.
% 0.72/1.18  (1038) {G6,W5,D2,L1,V0,M1} S(854);r(923) { alpha3( skol1, skol2, skol3, 
% 0.72/1.18    skol4 ) }.
% 0.72/1.18  (1039) {G11,W0,D0,L0,V0,M0} R(1038,36);r(1004) {  }.
% 0.72/1.18  
% 0.72/1.18  
% 0.72/1.18  % SZS output end Refutation
% 0.72/1.18  found a proof!
% 0.72/1.18  
% 0.72/1.18  
% 0.72/1.18  Unprocessed initial clauses:
% 0.72/1.18  
% 0.72/1.18  (1041) {G0,W10,D3,L3,V2,M3}  { ! apart_point_and_line( X, Y ), 
% 0.72/1.18    left_apart_point( X, Y ), left_apart_point( X, reverse_line( Y ) ) }.
% 0.72/1.18  (1042) {G0,W6,D2,L2,V2,M2}  { ! left_apart_point( X, Y ), 
% 0.72/1.18    apart_point_and_line( X, Y ) }.
% 0.72/1.18  (1043) {G0,W7,D3,L2,V2,M2}  { ! left_apart_point( X, reverse_line( Y ) ), 
% 0.72/1.18    apart_point_and_line( X, Y ) }.
% 0.72/1.18  (1044) {G0,W6,D2,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.72/1.18    unequally_directed_lines( X, Y ) }.
% 0.72/1.18  (1045) {G0,W7,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.72/1.18  (1046) {G0,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), convergent_lines( X, Y
% 0.72/1.18     ) }.
% 0.72/1.18  (1047) {G0,W12,D2,L3,V3,M3}  { ! divides_points( Z, X, Y ), alpha1( X, Y, Z
% 0.72/1.18     ), alpha4( X, Y, Z ) }.
% 0.72/1.18  (1048) {G0,W8,D2,L2,V3,M2}  { ! alpha1( X, Y, Z ), divides_points( Z, X, Y
% 0.72/1.18     ) }.
% 0.72/1.18  (1049) {G0,W8,D2,L2,V3,M2}  { ! alpha4( X, Y, Z ), divides_points( Z, X, Y
% 0.72/1.18     ) }.
% 0.72/1.18  (1050) {G0,W8,D3,L2,V3,M2}  { ! alpha4( X, Y, Z ), left_apart_point( X, 
% 0.72/1.18    reverse_line( Z ) ) }.
% 0.72/1.18  (1051) {G0,W7,D2,L2,V3,M2}  { ! alpha4( X, Y, Z ), left_apart_point( Y, Z )
% 0.72/1.18     }.
% 0.72/1.18  (1052) {G0,W11,D3,L3,V3,M3}  { ! left_apart_point( X, reverse_line( Z ) ), 
% 0.72/1.18    ! left_apart_point( Y, Z ), alpha4( X, Y, Z ) }.
% 0.72/1.18  (1053) {G0,W7,D2,L2,V3,M2}  { ! alpha1( X, Y, Z ), left_apart_point( X, Z )
% 0.72/1.18     }.
% 0.72/1.18  (1054) {G0,W8,D3,L2,V3,M2}  { ! alpha1( X, Y, Z ), left_apart_point( Y, 
% 0.72/1.18    reverse_line( Z ) ) }.
% 0.72/1.18  (1055) {G0,W11,D3,L3,V3,M3}  { ! left_apart_point( X, Z ), ! 
% 0.72/1.18    left_apart_point( Y, reverse_line( Z ) ), alpha1( X, Y, Z ) }.
% 0.72/1.18  (1056) {G0,W7,D2,L2,V3,M2}  { ! before_on_line( X, Y, Z ), distinct_points
% 0.72/1.18    ( Y, Z ) }.
% 0.72/1.18  (1057) {G0,W8,D2,L2,V3,M2}  { ! before_on_line( X, Y, Z ), alpha7( X, Y, Z
% 0.72/1.18     ) }.
% 0.72/1.18  (1058) {G0,W11,D2,L3,V3,M3}  { ! distinct_points( Y, Z ), ! alpha7( X, Y, Z
% 0.72/1.18     ), before_on_line( X, Y, Z ) }.
% 0.72/1.18  (1059) {G0,W7,D2,L2,V3,M2}  { ! alpha7( X, Y, Z ), alpha2( X, Y ) }.
% 0.72/1.18  (1060) {G0,W8,D2,L2,V3,M2}  { ! alpha7( X, Y, Z ), alpha8( X, Y, Z ) }.
% 0.72/1.18  (1061) {G0,W11,D2,L3,V3,M3}  { ! alpha2( X, Y ), ! alpha8( X, Y, Z ), 
% 0.72/1.18    alpha7( X, Y, Z ) }.
% 0.72/1.18  (1062) {G0,W7,D2,L2,V3,M2}  { ! alpha8( X, Y, Z ), alpha5( X, Z ) }.
% 0.72/1.18  (1063) {G0,W9,D3,L2,V3,M2}  { ! alpha8( X, Y, Z ), ! 
% 0.72/1.18    unequally_directed_lines( X, line_connecting( Y, Z ) ) }.
% 0.72/1.18  (1064) {G0,W12,D3,L3,V3,M3}  { ! alpha5( X, Z ), unequally_directed_lines( 
% 0.72/1.18    X, line_connecting( Y, Z ) ), alpha8( X, Y, Z ) }.
% 0.72/1.18  (1065) {G0,W6,D2,L2,V2,M2}  { ! alpha5( X, Y ), ! left_apart_point( Y, X )
% 0.72/1.18     }.
% 0.72/1.18  (1066) {G0,W7,D3,L2,V2,M2}  { ! alpha5( X, Y ), ! left_apart_point( Y, 
% 0.72/1.18    reverse_line( X ) ) }.
% 0.72/1.18  (1067) {G0,W10,D3,L3,V2,M3}  { left_apart_point( Y, X ), left_apart_point( 
% 0.72/1.18    Y, reverse_line( X ) ), alpha5( X, Y ) }.
% 0.72/1.18  (1068) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), ! left_apart_point( Y, X )
% 0.72/1.18     }.
% 0.72/1.18  (1069) {G0,W7,D3,L2,V2,M2}  { ! alpha2( X, Y ), ! left_apart_point( Y, 
% 0.72/1.18    reverse_line( X ) ) }.
% 0.72/1.18  (1070) {G0,W10,D3,L3,V2,M3}  { left_apart_point( Y, X ), left_apart_point( 
% 0.72/1.18    Y, reverse_line( X ) ), alpha2( X, Y ) }.
% 0.72/1.18  (1071) {G0,W15,D2,L3,V4,M3}  { ! between_on_line( X, Y, Z, T ), alpha3( X, 
% 0.72/1.18    Y, Z, T ), alpha6( X, Y, Z, T ) }.
% 0.72/1.18  (1072) {G0,W10,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), between_on_line( X, 
% 0.72/1.18    Y, Z, T ) }.
% 0.72/1.18  (1073) {G0,W10,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), between_on_line( X, 
% 0.72/1.18    Y, Z, T ) }.
% 0.72/1.18  (1074) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), before_on_line( X, T
% 0.72/1.18    , Z ) }.
% 0.72/1.18  (1075) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), before_on_line( X, Z
% 0.72/1.18    , Y ) }.
% 0.72/1.18  (1076) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, T, Z ), ! 
% 0.72/1.18    before_on_line( X, Z, Y ), alpha6( X, Y, Z, T ) }.
% 0.72/1.18  (1077) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), before_on_line( X, Y
% 0.72/1.18    , Z ) }.
% 0.72/1.18  (1078) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), before_on_line( X, Z
% 0.72/1.18    , T ) }.
% 0.72/1.18  (1079) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, Y, Z ), ! 
% 0.72/1.18    before_on_line( X, Z, T ), alpha3( X, Y, Z, T ) }.
% 0.72/1.18  (1080) {G0,W3,D2,L1,V1,M1}  { ! distinct_points( X, X ) }.
% 0.72/1.18  (1081) {G0,W9,D2,L3,V3,M3}  { ! distinct_points( X, Y ), distinct_points( X
% 0.72/1.18    , Z ), distinct_points( Y, Z ) }.
% 0.72/1.18  (1082) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 0.72/1.18  (1083) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), distinct_lines( X, 
% 0.72/1.18    Z ), distinct_lines( Y, Z ) }.
% 0.72/1.18  (1084) {G0,W3,D2,L1,V1,M1}  { ! unequally_directed_lines( X, X ) }.
% 0.72/1.18  (1085) {G0,W9,D2,L3,V3,M3}  { ! unequally_directed_lines( X, Y ), 
% 0.72/1.18    unequally_directed_lines( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.72/1.18  (1086) {G0,W13,D3,L4,V3,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), alpha9( X, Z ), 
% 0.72/1.18    unequally_directed_lines( Y, Z ) }.
% 0.72/1.18  (1087) {G0,W14,D3,L4,V3,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), alpha9( X, Z ), 
% 0.72/1.18    unequally_directed_lines( Y, reverse_line( Z ) ) }.
% 0.72/1.18  (1088) {G0,W6,D2,L2,V2,M2}  { ! alpha9( X, Y ), unequally_directed_lines( X
% 0.72/1.18    , Y ) }.
% 0.72/1.18  (1089) {G0,W7,D3,L2,V2,M2}  { ! alpha9( X, Y ), unequally_directed_lines( X
% 0.72/1.18    , reverse_line( Y ) ) }.
% 0.72/1.18  (1090) {G0,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), alpha9( X, Y ) }.
% 0.72/1.18  (1091) {G0,W11,D3,L4,V2,M4}  { ! line( X ), ! line( Y ), 
% 0.72/1.18    unequally_directed_lines( X, Y ), unequally_directed_lines( X, 
% 0.72/1.18    reverse_line( Y ) ) }.
% 0.72/1.18  (1092) {G0,W14,D3,L4,V2,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines( 
% 0.72/1.18    X, Y ), left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.72/1.18  (1093) {G0,W3,D2,L1,V2,M1}  { ! left_apart_point( X, Y ) }.
% 0.72/1.18  (1094) {G0,W4,D3,L1,V2,M1}  { ! left_apart_point( X, reverse_line( Y ) )
% 0.72/1.18     }.
% 0.72/1.18  (1095) {G0,W3,D2,L1,V2,M1}  { ! left_convergent_lines( X, Y ) }.
% 0.72/1.18  (1096) {G0,W4,D3,L1,V2,M1}  { ! left_convergent_lines( X, reverse_line( Y )
% 0.72/1.18     ) }.
% 0.72/1.18  (1097) {G0,W11,D3,L4,V2,M4}  { ! point( X ), ! point( Y ), ! 
% 0.72/1.18    distinct_points( X, Y ), line( line_connecting( X, Y ) ) }.
% 0.72/1.18  (1098) {G0,W15,D3,L5,V2,M5}  { ! line( X ), ! line( Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.72/1.18    reverse_line( Y ) ), point( intersection_point( X, Y ) ) }.
% 0.72/1.18  (1099) {G0,W8,D3,L3,V2,M3}  { ! point( Y ), ! line( X ), line( 
% 0.72/1.18    parallel_through_point( X, Y ) ) }.
% 0.72/1.18  (1100) {G0,W5,D3,L2,V1,M2}  { ! line( X ), line( reverse_line( X ) ) }.
% 0.72/1.18  (1101) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.72/1.18    apart_point_and_line( X, line_connecting( X, Y ) ) }.
% 0.72/1.18  (1102) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.72/1.18    apart_point_and_line( Y, line_connecting( X, Y ) ) }.
% 0.72/1.18  (1103) {G0,W12,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), ! apart_point_and_line
% 0.72/1.18    ( intersection_point( X, Y ), X ) }.
% 0.72/1.18  (1104) {G0,W12,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), ! apart_point_and_line
% 0.72/1.18    ( intersection_point( X, Y ), Y ) }.
% 0.72/1.18  (1105) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.72/1.18    parallel_through_point( Y, X ) ) }.
% 0.72/1.18  (1106) {G0,W4,D3,L1,V1,M1}  { ! distinct_lines( X, reverse_line( X ) ) }.
% 0.72/1.18  (1107) {G0,W8,D4,L1,V2,M1}  { ! unequally_directed_lines( line_connecting( 
% 0.72/1.18    X, Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.72/1.18  (1108) {G0,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.72/1.18    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.18  (1109) {G0,W34,D3,L10,V4,M10}  { ! distinct_points( X, Y ), ! 
% 0.72/1.18    distinct_lines( Z, T ), left_apart_point( X, Z ), left_apart_point( Y, Z
% 0.72/1.18     ), left_apart_point( X, T ), left_apart_point( Y, T ), left_apart_point
% 0.72/1.18    ( X, reverse_line( Z ) ), left_apart_point( Y, reverse_line( Z ) ), 
% 0.72/1.18    left_apart_point( X, reverse_line( T ) ), left_apart_point( Y, 
% 0.72/1.18    reverse_line( T ) ) }.
% 0.72/1.18  (1110) {G0,W14,D3,L4,V3,M4}  { ! distinct_points( X, Y ), ! 
% 0.72/1.18    left_apart_point( X, Z ), left_apart_point( Y, Z ), left_convergent_lines
% 0.72/1.18    ( line_connecting( X, Y ), Z ) }.
% 0.72/1.18  (1111) {G0,W9,D2,L3,V3,M3}  { ! left_apart_point( X, Y ), distinct_points( 
% 0.72/1.18    X, Z ), left_apart_point( Z, Y ) }.
% 0.72/1.18  (1112) {G0,W13,D3,L4,V3,M4}  { ! left_apart_point( X, Y ), ! 
% 0.72/1.18    unequally_directed_lines( Y, Z ), distinct_lines( Y, Z ), 
% 0.72/1.18    left_apart_point( X, reverse_line( Z ) ) }.
% 0.72/1.18  (1113) {G0,W9,D2,L3,V3,M3}  { ! left_convergent_lines( X, Y ), 
% 0.72/1.18    unequally_directed_lines( Y, Z ), left_convergent_lines( X, Z ) }.
% 0.72/1.18  (1114) {G0,W5,D2,L1,V0,M1}  { between_on_line( skol1, skol2, skol3, skol4 )
% 0.72/1.18     }.
% 0.72/1.18  (1115) {G0,W5,D2,L1,V0,M1}  { ! between_on_line( skol1, skol4, skol3, skol2
% 0.72/1.18     ) }.
% 0.72/1.18  
% 0.72/1.18  
% 0.72/1.18  Total Proof:
% 0.72/1.18  
% 0.72/1.18  subsumption: (15) {G0,W7,D2,L2,V3,M1} I { distinct_points( Y, Z ), ! 
% 0.72/1.18    before_on_line( X, Y, Z ) }.
% 0.72/1.18  parent0: (1056) {G0,W7,D2,L2,V3,M2}  { ! before_on_line( X, Y, Z ), 
% 0.72/1.18    distinct_points( Y, Z ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (17) {G0,W11,D2,L3,V3,M1} I { ! distinct_points( Y, Z ), ! 
% 0.72/1.18    alpha7( X, Y, Z ), before_on_line( X, Y, Z ) }.
% 0.72/1.18  parent0: (1058) {G0,W11,D2,L3,V3,M3}  { ! distinct_points( Y, Z ), ! alpha7
% 0.72/1.18    ( X, Y, Z ), before_on_line( X, Y, Z ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18     2 ==> 2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (20) {G0,W11,D2,L3,V3,M1} I { ! alpha2( X, Y ), alpha7( X, Y, 
% 0.72/1.18    Z ), ! alpha8( X, Y, Z ) }.
% 0.72/1.18  parent0: (1061) {G0,W11,D2,L3,V3,M3}  { ! alpha2( X, Y ), ! alpha8( X, Y, Z
% 0.72/1.18     ), alpha7( X, Y, Z ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 2
% 0.72/1.18     2 ==> 1
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (23) {G0,W12,D3,L3,V3,M1} I { unequally_directed_lines( X, 
% 0.72/1.18    line_connecting( Y, Z ) ), ! alpha5( X, Z ), alpha8( X, Y, Z ) }.
% 0.72/1.18  parent0: (1064) {G0,W12,D3,L3,V3,M3}  { ! alpha5( X, Z ), 
% 0.72/1.18    unequally_directed_lines( X, line_connecting( Y, Z ) ), alpha8( X, Y, Z )
% 0.72/1.18     }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18     2 ==> 2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (26) {G0,W10,D3,L3,V2,M1} I { left_apart_point( Y, X ), 
% 0.72/1.18    left_apart_point( Y, reverse_line( X ) ), alpha5( X, Y ) }.
% 0.72/1.18  parent0: (1067) {G0,W10,D3,L3,V2,M3}  { left_apart_point( Y, X ), 
% 0.72/1.18    left_apart_point( Y, reverse_line( X ) ), alpha5( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18     2 ==> 2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (29) {G0,W10,D3,L3,V2,M1} I { left_apart_point( Y, X ), 
% 0.72/1.18    left_apart_point( Y, reverse_line( X ) ), alpha2( X, Y ) }.
% 0.72/1.18  parent0: (1070) {G0,W10,D3,L3,V2,M3}  { left_apart_point( Y, X ), 
% 0.72/1.18    left_apart_point( Y, reverse_line( X ) ), alpha2( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18     2 ==> 2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (30) {G0,W15,D2,L3,V4,M1} I { alpha3( X, Y, Z, T ), alpha6( X
% 0.72/1.18    , Y, Z, T ), ! between_on_line( X, Y, Z, T ) }.
% 0.72/1.18  parent0: (1071) {G0,W15,D2,L3,V4,M3}  { ! between_on_line( X, Y, Z, T ), 
% 0.72/1.18    alpha3( X, Y, Z, T ), alpha6( X, Y, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18     T := T
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 2
% 0.72/1.18     1 ==> 0
% 0.72/1.18     2 ==> 1
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (31) {G0,W10,D2,L2,V4,M1} I { ! alpha3( X, Y, Z, T ), 
% 0.72/1.18    between_on_line( X, Y, Z, T ) }.
% 0.72/1.18  parent0: (1072) {G0,W10,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), 
% 0.72/1.18    between_on_line( X, Y, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18     T := T
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (32) {G0,W10,D2,L2,V4,M1} I { ! alpha6( X, Y, Z, T ), 
% 0.72/1.18    between_on_line( X, Y, Z, T ) }.
% 0.72/1.18  parent0: (1073) {G0,W10,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), 
% 0.72/1.18    between_on_line( X, Y, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18     T := T
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (33) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, T, Z ), ! 
% 0.72/1.18    alpha6( X, Y, Z, T ) }.
% 0.72/1.18  parent0: (1074) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), 
% 0.72/1.18    before_on_line( X, T, Z ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18     T := T
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (34) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Z, Y ), ! 
% 0.72/1.18    alpha6( X, Y, Z, T ) }.
% 0.72/1.18  parent0: (1075) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), 
% 0.72/1.18    before_on_line( X, Z, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18     T := T
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (35) {G0,W13,D2,L3,V4,M1} I { ! before_on_line( X, T, Z ), ! 
% 0.72/1.18    before_on_line( X, Z, Y ), alpha6( X, Y, Z, T ) }.
% 0.72/1.18  parent0: (1076) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, T, Z ), ! 
% 0.72/1.18    before_on_line( X, Z, Y ), alpha6( X, Y, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18     T := T
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18     2 ==> 2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (36) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Y, Z ), ! 
% 0.72/1.18    alpha3( X, Y, Z, T ) }.
% 0.72/1.18  parent0: (1077) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), 
% 0.72/1.18    before_on_line( X, Y, Z ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18     T := T
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (37) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Z, T ), ! 
% 0.72/1.18    alpha3( X, Y, Z, T ) }.
% 0.72/1.18  parent0: (1078) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), 
% 0.72/1.18    before_on_line( X, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18     T := T
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (38) {G0,W13,D2,L3,V4,M1} I { ! before_on_line( X, Y, Z ), ! 
% 0.72/1.18    before_on_line( X, Z, T ), alpha3( X, Y, Z, T ) }.
% 0.72/1.18  parent0: (1079) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, Y, Z ), ! 
% 0.72/1.18    before_on_line( X, Z, T ), alpha3( X, Y, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18     T := T
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18     2 ==> 2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (39) {G0,W3,D2,L1,V1,M1} I { ! distinct_points( X, X ) }.
% 0.72/1.18  parent0: (1080) {G0,W3,D2,L1,V1,M1}  { ! distinct_points( X, X ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (40) {G0,W9,D2,L3,V3,M3} I { distinct_points( X, Z ), 
% 0.72/1.18    distinct_points( Y, Z ), ! distinct_points( X, Y ) }.
% 0.72/1.18  parent0: (1081) {G0,W9,D2,L3,V3,M3}  { ! distinct_points( X, Y ), 
% 0.72/1.18    distinct_points( X, Z ), distinct_points( Y, Z ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 2
% 0.72/1.18     1 ==> 0
% 0.72/1.18     2 ==> 1
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X
% 0.72/1.18     ) }.
% 0.72/1.18  parent0: (1084) {G0,W3,D2,L1,V1,M1}  { ! unequally_directed_lines( X, X )
% 0.72/1.18     }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z )
% 0.72/1.18    , unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y )
% 0.72/1.18     }.
% 0.72/1.18  parent0: (1085) {G0,W9,D2,L3,V3,M3}  { ! unequally_directed_lines( X, Y ), 
% 0.72/1.18    unequally_directed_lines( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 2
% 0.72/1.18     1 ==> 0
% 0.72/1.18     2 ==> 1
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (51) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y
% 0.72/1.18     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.72/1.18    left_convergent_lines( X, reverse_line( Y ) ), left_convergent_lines( X, 
% 0.72/1.18    Y ) }.
% 0.72/1.18  parent0: (1092) {G0,W14,D3,L4,V2,M4}  { ! unequally_directed_lines( X, Y )
% 0.72/1.18    , ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.72/1.18    left_convergent_lines( X, Y ), left_convergent_lines( X, reverse_line( Y
% 0.72/1.18     ) ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18     2 ==> 3
% 0.72/1.18     3 ==> 2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (52) {G0,W3,D2,L1,V2,M1} I { ! left_apart_point( X, Y ) }.
% 0.72/1.18  parent0: (1093) {G0,W3,D2,L1,V2,M1}  { ! left_apart_point( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.72/1.18     }.
% 0.72/1.18  parent0: (1095) {G0,W3,D2,L1,V2,M1}  { ! left_convergent_lines( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (64) {G0,W8,D4,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.72/1.18    line_connecting( X, Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.72/1.18  parent0: (1107) {G0,W8,D4,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.72/1.18    line_connecting( X, Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (65) {G0,W5,D3,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.72/1.18    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.18  parent0: (1108) {G0,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.72/1.18    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  *** allocated 22500 integers for termspace/termends
% 0.72/1.18  subsumption: (67) {G0,W5,D2,L1,V0,M1} I { between_on_line( skol1, skol2, 
% 0.72/1.18    skol3, skol4 ) }.
% 0.72/1.18  parent0: (1114) {G0,W5,D2,L1,V0,M1}  { between_on_line( skol1, skol2, skol3
% 0.72/1.18    , skol4 ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (68) {G0,W5,D2,L1,V0,M1} I { ! between_on_line( skol1, skol4, 
% 0.72/1.18    skol3, skol2 ) }.
% 0.72/1.18  parent0: (1115) {G0,W5,D2,L1,V0,M1}  { ! between_on_line( skol1, skol4, 
% 0.72/1.18    skol3, skol2 ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1237) {G1,W6,D2,L2,V2,M2}  { unequally_directed_lines( Y, X )
% 0.72/1.18    , ! unequally_directed_lines( X, Y ) }.
% 0.72/1.18  parent0[0]: (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X )
% 0.72/1.18     }.
% 0.72/1.18  parent1[0]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.72/1.18    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := X
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (107) {G1,W6,D2,L2,V2,M2} R(44,43) { ! 
% 0.72/1.18    unequally_directed_lines( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.72/1.18  parent0: (1237) {G1,W6,D2,L2,V2,M2}  { unequally_directed_lines( Y, X ), ! 
% 0.72/1.18    unequally_directed_lines( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := Y
% 0.72/1.18     Y := X
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1239) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( X, 
% 0.72/1.18    parallel_through_point( X, Y ) ) }.
% 0.72/1.18  parent0[0]: (65) {G0,W5,D3,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.72/1.18    parallel_through_point( Y, X ), Y ) }.
% 0.72/1.18  parent1[1]: (107) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines
% 0.72/1.18    ( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := Y
% 0.72/1.18     Y := X
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := parallel_through_point( X, Y )
% 0.72/1.18     Y := X
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (118) {G2,W5,D3,L1,V2,M1} R(107,65) { ! 
% 0.72/1.18    unequally_directed_lines( X, parallel_through_point( X, Y ) ) }.
% 0.72/1.18  parent0: (1239) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( X, 
% 0.72/1.18    parallel_through_point( X, Y ) ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  *** allocated 75937 integers for clauses
% 0.72/1.18  resolution: (1240) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.72/1.18    parallel_through_point( X, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.72/1.18  parent0[0]: (118) {G2,W5,D3,L1,V2,M1} R(107,65) { ! 
% 0.72/1.18    unequally_directed_lines( X, parallel_through_point( X, Y ) ) }.
% 0.72/1.18  parent1[0]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.72/1.18    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Z
% 0.72/1.18     Z := parallel_through_point( X, Y )
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (119) {G3,W8,D3,L2,V3,M2} R(118,44) { ! 
% 0.72/1.18    unequally_directed_lines( Y, X ), unequally_directed_lines( X, 
% 0.72/1.18    parallel_through_point( Y, Z ) ) }.
% 0.72/1.18  parent0: (1240) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.72/1.18    parallel_through_point( X, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := Y
% 0.72/1.18     Y := Z
% 0.72/1.18     Z := X
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1242) {G1,W15,D3,L4,V3,M4}  { ! alpha2( X, Y ), alpha7( X, Y, 
% 0.72/1.18    Z ), unequally_directed_lines( X, line_connecting( Y, Z ) ), ! alpha5( X
% 0.72/1.18    , Z ) }.
% 0.72/1.18  parent0[2]: (20) {G0,W11,D2,L3,V3,M1} I { ! alpha2( X, Y ), alpha7( X, Y, Z
% 0.72/1.18     ), ! alpha8( X, Y, Z ) }.
% 0.72/1.18  parent1[2]: (23) {G0,W12,D3,L3,V3,M1} I { unequally_directed_lines( X, 
% 0.72/1.18    line_connecting( Y, Z ) ), ! alpha5( X, Z ), alpha8( X, Y, Z ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (148) {G1,W15,D3,L4,V3,M1} R(23,20) { unequally_directed_lines
% 0.72/1.18    ( X, line_connecting( Y, Z ) ), ! alpha2( X, Y ), ! alpha5( X, Z ), 
% 0.72/1.18    alpha7( X, Y, Z ) }.
% 0.72/1.18  parent0: (1242) {G1,W15,D3,L4,V3,M4}  { ! alpha2( X, Y ), alpha7( X, Y, Z )
% 0.72/1.18    , unequally_directed_lines( X, line_connecting( Y, Z ) ), ! alpha5( X, Z
% 0.72/1.18     ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 3
% 0.72/1.18     2 ==> 0
% 0.72/1.18     3 ==> 2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1243) {G1,W7,D3,L2,V2,M2}  { left_apart_point( X, reverse_line
% 0.72/1.18    ( Y ) ), alpha5( Y, X ) }.
% 0.72/1.18  parent0[0]: (52) {G0,W3,D2,L1,V2,M1} I { ! left_apart_point( X, Y ) }.
% 0.72/1.18  parent1[0]: (26) {G0,W10,D3,L3,V2,M1} I { left_apart_point( Y, X ), 
% 0.72/1.18    left_apart_point( Y, reverse_line( X ) ), alpha5( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := Y
% 0.72/1.18     Y := X
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1245) {G1,W3,D2,L1,V2,M1}  { alpha5( Y, X ) }.
% 0.72/1.18  parent0[0]: (52) {G0,W3,D2,L1,V2,M1} I { ! left_apart_point( X, Y ) }.
% 0.72/1.18  parent1[0]: (1243) {G1,W7,D3,L2,V2,M2}  { left_apart_point( X, reverse_line
% 0.72/1.18    ( Y ) ), alpha5( Y, X ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := reverse_line( Y )
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (157) {G1,W3,D2,L1,V2,M1} S(26);r(52);r(52) { alpha5( X, Y )
% 0.72/1.18     }.
% 0.72/1.18  parent0: (1245) {G1,W3,D2,L1,V2,M1}  { alpha5( Y, X ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := Y
% 0.72/1.18     Y := X
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1246) {G1,W7,D3,L2,V2,M2}  { left_apart_point( X, reverse_line
% 0.72/1.18    ( Y ) ), alpha2( Y, X ) }.
% 0.72/1.18  parent0[0]: (52) {G0,W3,D2,L1,V2,M1} I { ! left_apart_point( X, Y ) }.
% 0.72/1.18  parent1[0]: (29) {G0,W10,D3,L3,V2,M1} I { left_apart_point( Y, X ), 
% 0.72/1.18    left_apart_point( Y, reverse_line( X ) ), alpha2( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := Y
% 0.72/1.18     Y := X
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1248) {G1,W3,D2,L1,V2,M1}  { alpha2( Y, X ) }.
% 0.72/1.18  parent0[0]: (52) {G0,W3,D2,L1,V2,M1} I { ! left_apart_point( X, Y ) }.
% 0.72/1.18  parent1[0]: (1246) {G1,W7,D3,L2,V2,M2}  { left_apart_point( X, reverse_line
% 0.72/1.18    ( Y ) ), alpha2( Y, X ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := reverse_line( Y )
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (180) {G1,W3,D2,L1,V2,M1} S(29);r(52);r(52) { alpha2( X, Y )
% 0.72/1.18     }.
% 0.72/1.18  parent0: (1248) {G1,W3,D2,L1,V2,M1}  { alpha2( Y, X ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := Y
% 0.72/1.18     Y := X
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1249) {G1,W10,D2,L2,V0,M2}  { alpha3( skol1, skol2, skol3, 
% 0.72/1.18    skol4 ), alpha6( skol1, skol2, skol3, skol4 ) }.
% 0.72/1.18  parent0[2]: (30) {G0,W15,D2,L3,V4,M1} I { alpha3( X, Y, Z, T ), alpha6( X, 
% 0.72/1.18    Y, Z, T ), ! between_on_line( X, Y, Z, T ) }.
% 0.72/1.18  parent1[0]: (67) {G0,W5,D2,L1,V0,M1} I { between_on_line( skol1, skol2, 
% 0.72/1.18    skol3, skol4 ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := skol1
% 0.72/1.18     Y := skol2
% 0.72/1.18     Z := skol3
% 0.72/1.18     T := skol4
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (189) {G1,W10,D2,L2,V0,M1} R(30,67) { alpha3( skol1, skol2, 
% 0.72/1.18    skol3, skol4 ), alpha6( skol1, skol2, skol3, skol4 ) }.
% 0.72/1.18  parent0: (1249) {G1,W10,D2,L2,V0,M2}  { alpha3( skol1, skol2, skol3, skol4
% 0.72/1.18     ), alpha6( skol1, skol2, skol3, skol4 ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1250) {G1,W5,D2,L1,V0,M1}  { ! alpha3( skol1, skol4, skol3, 
% 0.72/1.18    skol2 ) }.
% 0.72/1.18  parent0[0]: (68) {G0,W5,D2,L1,V0,M1} I { ! between_on_line( skol1, skol4, 
% 0.72/1.18    skol3, skol2 ) }.
% 0.72/1.18  parent1[1]: (31) {G0,W10,D2,L2,V4,M1} I { ! alpha3( X, Y, Z, T ), 
% 0.72/1.18    between_on_line( X, Y, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := skol1
% 0.72/1.18     Y := skol4
% 0.72/1.18     Z := skol3
% 0.72/1.18     T := skol2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (217) {G1,W5,D2,L1,V0,M1} R(31,68) { ! alpha3( skol1, skol4, 
% 0.72/1.18    skol3, skol2 ) }.
% 0.72/1.18  parent0: (1250) {G1,W5,D2,L1,V0,M1}  { ! alpha3( skol1, skol4, skol3, skol2
% 0.72/1.18     ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1251) {G1,W5,D2,L1,V0,M1}  { ! alpha6( skol1, skol4, skol3, 
% 0.72/1.18    skol2 ) }.
% 0.72/1.18  parent0[0]: (68) {G0,W5,D2,L1,V0,M1} I { ! between_on_line( skol1, skol4, 
% 0.72/1.18    skol3, skol2 ) }.
% 0.72/1.18  parent1[1]: (32) {G0,W10,D2,L2,V4,M1} I { ! alpha6( X, Y, Z, T ), 
% 0.72/1.18    between_on_line( X, Y, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := skol1
% 0.72/1.18     Y := skol4
% 0.72/1.18     Z := skol3
% 0.72/1.18     T := skol2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (247) {G1,W5,D2,L1,V0,M1} R(32,68) { ! alpha6( skol1, skol4, 
% 0.72/1.18    skol3, skol2 ) }.
% 0.72/1.18  parent0: (1251) {G1,W5,D2,L1,V0,M1}  { ! alpha6( skol1, skol4, skol3, skol2
% 0.72/1.18     ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1252) {G1,W8,D2,L2,V0,M2}  { ! before_on_line( skol1, skol2, 
% 0.72/1.18    skol3 ), ! before_on_line( skol1, skol3, skol4 ) }.
% 0.72/1.18  parent0[0]: (247) {G1,W5,D2,L1,V0,M1} R(32,68) { ! alpha6( skol1, skol4, 
% 0.72/1.18    skol3, skol2 ) }.
% 0.72/1.18  parent1[2]: (35) {G0,W13,D2,L3,V4,M1} I { ! before_on_line( X, T, Z ), ! 
% 0.72/1.18    before_on_line( X, Z, Y ), alpha6( X, Y, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := skol1
% 0.72/1.18     Y := skol4
% 0.72/1.18     Z := skol3
% 0.72/1.18     T := skol2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (266) {G2,W8,D2,L2,V0,M1} R(35,247) { ! before_on_line( skol1
% 0.72/1.18    , skol2, skol3 ), ! before_on_line( skol1, skol3, skol4 ) }.
% 0.72/1.18  parent0: (1252) {G1,W8,D2,L2,V0,M2}  { ! before_on_line( skol1, skol2, 
% 0.72/1.18    skol3 ), ! before_on_line( skol1, skol3, skol4 ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 0
% 0.72/1.18     1 ==> 1
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1253) {G1,W8,D2,L2,V0,M2}  { ! before_on_line( skol1, skol4, 
% 0.72/1.18    skol3 ), ! before_on_line( skol1, skol3, skol2 ) }.
% 0.72/1.18  parent0[0]: (217) {G1,W5,D2,L1,V0,M1} R(31,68) { ! alpha3( skol1, skol4, 
% 0.72/1.18    skol3, skol2 ) }.
% 0.72/1.18  parent1[2]: (38) {G0,W13,D2,L3,V4,M1} I { ! before_on_line( X, Y, Z ), ! 
% 0.72/1.18    before_on_line( X, Z, T ), alpha3( X, Y, Z, T ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := skol1
% 0.72/1.18     Y := skol4
% 0.72/1.18     Z := skol3
% 0.72/1.18     T := skol2
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (278) {G2,W8,D2,L2,V0,M1} R(38,217) { ! before_on_line( skol1
% 0.72/1.18    , skol3, skol2 ), ! before_on_line( skol1, skol4, skol3 ) }.
% 0.72/1.18  parent0: (1253) {G1,W8,D2,L2,V0,M2}  { ! before_on_line( skol1, skol4, 
% 0.72/1.18    skol3 ), ! before_on_line( skol1, skol3, skol2 ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1254) {G1,W6,D2,L2,V2,M2}  { distinct_points( Y, X ), ! 
% 0.72/1.18    distinct_points( X, Y ) }.
% 0.72/1.18  parent0[0]: (39) {G0,W3,D2,L1,V1,M1} I { ! distinct_points( X, X ) }.
% 0.72/1.18  parent1[0]: (40) {G0,W9,D2,L3,V3,M3} I { distinct_points( X, Z ), 
% 0.72/1.18    distinct_points( Y, Z ), ! distinct_points( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := X
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (289) {G1,W6,D2,L2,V2,M2} R(40,39) { ! distinct_points( Y, X )
% 0.72/1.18    , distinct_points( X, Y ) }.
% 0.72/1.18  parent0: (1254) {G1,W6,D2,L2,V2,M2}  { distinct_points( Y, X ), ! 
% 0.72/1.18    distinct_points( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := Y
% 0.72/1.18     Y := X
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1256) {G1,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y
% 0.72/1.18     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.72/1.18    left_convergent_lines( X, Y ) }.
% 0.72/1.18  parent0[0]: (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.72/1.18     }.
% 0.72/1.18  parent1[2]: (51) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y
% 0.72/1.18     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.72/1.18    left_convergent_lines( X, reverse_line( Y ) ), left_convergent_lines( X, 
% 0.72/1.18    Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := reverse_line( Y )
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1258) {G1,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, Y
% 0.72/1.18     ), ! unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.72/1.18  parent0[0]: (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.72/1.18     }.
% 0.72/1.18  parent1[2]: (1256) {G1,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y
% 0.72/1.18     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.72/1.18    left_convergent_lines( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (411) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), ! 
% 0.72/1.18    unequally_directed_lines( X, Y ) }.
% 0.72/1.18  parent0: (1258) {G1,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, Y ), 
% 0.72/1.18    ! unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1260) {G2,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, 
% 0.72/1.18    reverse_line( Y ) ), ! unequally_directed_lines( Y, X ) }.
% 0.72/1.18  parent0[1]: (411) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! 
% 0.72/1.18    unequally_directed_lines( X, reverse_line( Y ) ), ! 
% 0.72/1.18    unequally_directed_lines( X, Y ) }.
% 0.72/1.18  parent1[1]: (107) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines
% 0.72/1.18    ( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (443) {G2,W7,D3,L2,V2,M2} R(411,107) { ! 
% 0.72/1.18    unequally_directed_lines( Y, X ), ! unequally_directed_lines( X, 
% 0.72/1.18    reverse_line( Y ) ) }.
% 0.72/1.18  parent0: (1260) {G2,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, 
% 0.72/1.18    reverse_line( Y ) ), ! unequally_directed_lines( Y, X ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 1
% 0.72/1.18     1 ==> 0
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  resolution: (1264) {G1,W10,D3,L3,V3,M3}  { ! unequally_directed_lines( X, Y
% 0.72/1.18     ), unequally_directed_lines( Z, reverse_line( X ) ), ! 
% 0.72/1.18    unequally_directed_lines( Z, Y ) }.
% 0.72/1.18  parent0[1]: (443) {G2,W7,D3,L2,V2,M2} R(411,107) { ! 
% 0.72/1.18    unequally_directed_lines( Y, X ), ! unequally_directed_lines( X, 
% 0.72/1.18    reverse_line( Y ) ) }.
% 0.72/1.18  parent1[1]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.72/1.18    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := Y
% 0.72/1.18     Y := X
% 0.72/1.18  end
% 0.72/1.18  substitution1:
% 0.72/1.18     X := Z
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := reverse_line( X )
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  subsumption: (493) {G3,W10,D3,L3,V3,M3} R(443,44) { 
% 0.72/1.18    unequally_directed_lines( Z, reverse_line( X ) ), ! 
% 0.72/1.18    unequally_directed_lines( Z, Y ), ! unequally_directed_lines( X, Y ) }.
% 0.72/1.18  parent0: (1264) {G1,W10,D3,L3,V3,M3}  { ! unequally_directed_lines( X, Y )
% 0.72/1.18    , unequally_directed_lines( Z, reverse_line( X ) ), ! 
% 0.72/1.18    unequally_directed_lines( Z, Y ) }.
% 0.72/1.18  substitution0:
% 0.72/1.18     X := X
% 0.72/1.18     Y := Y
% 0.72/1.18     Z := Z
% 0.72/1.18  end
% 0.72/1.18  permutation0:
% 0.72/1.18     0 ==> 2
% 0.72/1.18     1 ==> 0
% 0.72/1.18     2 ==> 1
% 0.72/1.18  end
% 0.72/1.18  
% 0.72/1.18  factor: (1268) {G3,W7,D3,L2,V2,M2}  { unequally_directed_lines( X, 
% 0.72/1.18    reverse_line( X ) ), ! unequally_directed_lines( X, Y ) }.
% 0.81/1.18  parent0[1, 2]: (493) {G3,W10,D3,L3,V3,M3} R(443,44) { 
% 0.81/1.18    unequally_directed_lines( Z, reverse_line( X ) ), ! 
% 0.81/1.18    unequally_directed_lines( Z, Y ), ! unequally_directed_lines( X, Y ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Y
% 0.81/1.18     Z := X
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (494) {G4,W7,D3,L2,V2,M2} F(493) { ! unequally_directed_lines
% 0.81/1.18    ( X, Y ), unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.81/1.18  parent0: (1268) {G3,W7,D3,L2,V2,M2}  { unequally_directed_lines( X, 
% 0.81/1.18    reverse_line( X ) ), ! unequally_directed_lines( X, Y ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Y
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 1
% 0.81/1.18     1 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1269) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.81/1.18    line_connecting( X, X ), Y ) }.
% 0.81/1.18  parent0[0]: (64) {G0,W8,D4,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.81/1.18    line_connecting( X, Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.81/1.18  parent1[1]: (494) {G4,W7,D3,L2,V2,M2} F(493) { ! unequally_directed_lines( 
% 0.81/1.18    X, Y ), unequally_directed_lines( X, reverse_line( X ) ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := X
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18     X := line_connecting( X, X )
% 0.81/1.18     Y := Y
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (514) {G5,W5,D3,L1,V2,M1} R(494,64) { ! 
% 0.81/1.18    unequally_directed_lines( line_connecting( X, X ), Y ) }.
% 0.81/1.18  parent0: (1269) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.81/1.18    line_connecting( X, X ), Y ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Y
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1270) {G4,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( Y, 
% 0.81/1.18    line_connecting( X, X ) ) }.
% 0.81/1.18  parent0[0]: (514) {G5,W5,D3,L1,V2,M1} R(494,64) { ! 
% 0.81/1.18    unequally_directed_lines( line_connecting( X, X ), Y ) }.
% 0.81/1.18  parent1[1]: (119) {G3,W8,D3,L2,V3,M2} R(118,44) { ! 
% 0.81/1.18    unequally_directed_lines( Y, X ), unequally_directed_lines( X, 
% 0.81/1.18    parallel_through_point( Y, Z ) ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := parallel_through_point( Y, Z )
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18     X := line_connecting( X, X )
% 0.81/1.18     Y := Y
% 0.81/1.18     Z := Z
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (519) {G6,W5,D3,L1,V2,M1} R(514,119) { ! 
% 0.81/1.18    unequally_directed_lines( X, line_connecting( Y, Y ) ) }.
% 0.81/1.18  parent0: (1270) {G4,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( Y, 
% 0.81/1.18    line_connecting( X, X ) ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := Y
% 0.81/1.18     Y := X
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1271) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.81/1.18    line_connecting( Y, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.81/1.18  parent0[0]: (519) {G6,W5,D3,L1,V2,M1} R(514,119) { ! 
% 0.81/1.18    unequally_directed_lines( X, line_connecting( Y, Y ) ) }.
% 0.81/1.18  parent1[0]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.81/1.18    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Y
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Z
% 0.81/1.18     Z := line_connecting( Y, Y )
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1273) {G2,W3,D2,L1,V2,M1}  { ! unequally_directed_lines( Z, X
% 0.81/1.18     ) }.
% 0.81/1.18  parent0[0]: (519) {G6,W5,D3,L1,V2,M1} R(514,119) { ! 
% 0.81/1.18    unequally_directed_lines( X, line_connecting( Y, Y ) ) }.
% 0.81/1.18  parent1[0]: (1271) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.81/1.18    line_connecting( Y, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Y
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18     X := Z
% 0.81/1.18     Y := Y
% 0.81/1.18     Z := X
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (520) {G7,W3,D2,L1,V2,M1} R(519,44);r(519) { ! 
% 0.81/1.18    unequally_directed_lines( Z, X ) }.
% 0.81/1.18  parent0: (1273) {G2,W3,D2,L1,V2,M1}  { ! unequally_directed_lines( Z, X )
% 0.81/1.18     }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := T
% 0.81/1.18     Z := Z
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1274) {G1,W9,D2,L2,V0,M2}  { before_on_line( skol1, skol4, 
% 0.81/1.18    skol3 ), alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  parent0[1]: (33) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, T, Z ), ! 
% 0.81/1.18    alpha6( X, Y, Z, T ) }.
% 0.81/1.18  parent1[1]: (189) {G1,W10,D2,L2,V0,M1} R(30,67) { alpha3( skol1, skol2, 
% 0.81/1.18    skol3, skol4 ), alpha6( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := skol1
% 0.81/1.18     Y := skol2
% 0.81/1.18     Z := skol3
% 0.81/1.18     T := skol4
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (853) {G2,W9,D2,L2,V0,M1} R(189,33) { before_on_line( skol1, 
% 0.81/1.18    skol4, skol3 ), alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  parent0: (1274) {G1,W9,D2,L2,V0,M2}  { before_on_line( skol1, skol4, skol3
% 0.81/1.18     ), alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18     1 ==> 1
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1275) {G1,W9,D2,L2,V0,M2}  { before_on_line( skol1, skol3, 
% 0.81/1.18    skol2 ), alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  parent0[1]: (34) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Z, Y ), ! 
% 0.81/1.18    alpha6( X, Y, Z, T ) }.
% 0.81/1.18  parent1[1]: (189) {G1,W10,D2,L2,V0,M1} R(30,67) { alpha3( skol1, skol2, 
% 0.81/1.18    skol3, skol4 ), alpha6( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := skol1
% 0.81/1.18     Y := skol2
% 0.81/1.18     Z := skol3
% 0.81/1.18     T := skol4
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (854) {G2,W9,D2,L2,V0,M1} R(189,34) { before_on_line( skol1, 
% 0.81/1.18    skol3, skol2 ), alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  parent0: (1275) {G1,W9,D2,L2,V0,M2}  { before_on_line( skol1, skol3, skol2
% 0.81/1.18     ), alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18     1 ==> 1
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1276) {G1,W8,D2,L2,V0,M2}  { before_on_line( skol1, skol2, 
% 0.81/1.18    skol3 ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  parent0[1]: (36) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Y, Z ), ! 
% 0.81/1.18    alpha3( X, Y, Z, T ) }.
% 0.81/1.18  parent1[1]: (853) {G2,W9,D2,L2,V0,M1} R(189,33) { before_on_line( skol1, 
% 0.81/1.18    skol4, skol3 ), alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := skol1
% 0.81/1.18     Y := skol2
% 0.81/1.18     Z := skol3
% 0.81/1.18     T := skol4
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (855) {G3,W8,D2,L2,V0,M1} R(853,36) { before_on_line( skol1, 
% 0.81/1.18    skol2, skol3 ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  parent0: (1276) {G1,W8,D2,L2,V0,M2}  { before_on_line( skol1, skol2, skol3
% 0.81/1.18     ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18     1 ==> 1
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1277) {G1,W8,D2,L2,V0,M2}  { before_on_line( skol1, skol3, 
% 0.81/1.18    skol4 ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  parent0[1]: (37) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Z, T ), ! 
% 0.81/1.18    alpha3( X, Y, Z, T ) }.
% 0.81/1.18  parent1[1]: (853) {G2,W9,D2,L2,V0,M1} R(189,33) { before_on_line( skol1, 
% 0.81/1.18    skol4, skol3 ), alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := skol1
% 0.81/1.18     Y := skol2
% 0.81/1.18     Z := skol3
% 0.81/1.18     T := skol4
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (856) {G3,W8,D2,L2,V0,M1} R(853,37) { before_on_line( skol1, 
% 0.81/1.18    skol4, skol3 ), before_on_line( skol1, skol3, skol4 ) }.
% 0.81/1.18  parent0: (1277) {G1,W8,D2,L2,V0,M2}  { before_on_line( skol1, skol3, skol4
% 0.81/1.18     ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 1
% 0.81/1.18     1 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1278) {G2,W10,D2,L3,V3,M3}  { ! alpha2( X, Y ), ! alpha5( X, Z
% 0.81/1.18     ), alpha7( X, Y, Z ) }.
% 0.81/1.18  parent0[0]: (520) {G7,W3,D2,L1,V2,M1} R(519,44);r(519) { ! 
% 0.81/1.18    unequally_directed_lines( Z, X ) }.
% 0.81/1.18  parent1[0]: (148) {G1,W15,D3,L4,V3,M1} R(23,20) { unequally_directed_lines
% 0.81/1.18    ( X, line_connecting( Y, Z ) ), ! alpha2( X, Y ), ! alpha5( X, Z ), 
% 0.81/1.18    alpha7( X, Y, Z ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := line_connecting( Y, Z )
% 0.81/1.18     Y := T
% 0.81/1.18     Z := X
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Y
% 0.81/1.18     Z := Z
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1279) {G2,W7,D2,L2,V3,M2}  { ! alpha5( X, Z ), alpha7( X, Y, Z
% 0.81/1.18     ) }.
% 0.81/1.18  parent0[0]: (1278) {G2,W10,D2,L3,V3,M3}  { ! alpha2( X, Y ), ! alpha5( X, Z
% 0.81/1.18     ), alpha7( X, Y, Z ) }.
% 0.81/1.18  parent1[0]: (180) {G1,W3,D2,L1,V2,M1} S(29);r(52);r(52) { alpha2( X, Y )
% 0.81/1.18     }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Y
% 0.81/1.18     Z := Z
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Y
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1280) {G2,W4,D2,L1,V3,M1}  { alpha7( X, Z, Y ) }.
% 0.81/1.18  parent0[0]: (1279) {G2,W7,D2,L2,V3,M2}  { ! alpha5( X, Z ), alpha7( X, Y, Z
% 0.81/1.18     ) }.
% 0.81/1.18  parent1[0]: (157) {G1,W3,D2,L1,V2,M1} S(26);r(52);r(52) { alpha5( X, Y )
% 0.81/1.18     }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Z
% 0.81/1.18     Z := Y
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Y
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (906) {G8,W4,D2,L1,V3,M1} S(148);r(520);r(180);r(157) { alpha7
% 0.81/1.18    ( X, Y, Z ) }.
% 0.81/1.18  parent0: (1280) {G2,W4,D2,L1,V3,M1}  { alpha7( X, Z, Y ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := X
% 0.81/1.18     Y := Z
% 0.81/1.18     Z := Y
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1281) {G3,W8,D2,L2,V0,M2}  { ! before_on_line( skol1, skol2, 
% 0.81/1.18    skol3 ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  parent0[1]: (266) {G2,W8,D2,L2,V0,M1} R(35,247) { ! before_on_line( skol1, 
% 0.81/1.18    skol2, skol3 ), ! before_on_line( skol1, skol3, skol4 ) }.
% 0.81/1.18  parent1[1]: (856) {G3,W8,D2,L2,V0,M1} R(853,37) { before_on_line( skol1, 
% 0.81/1.18    skol4, skol3 ), before_on_line( skol1, skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1282) {G4,W8,D2,L2,V0,M2}  { before_on_line( skol1, skol4, 
% 0.81/1.18    skol3 ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  parent0[0]: (1281) {G3,W8,D2,L2,V0,M2}  { ! before_on_line( skol1, skol2, 
% 0.81/1.18    skol3 ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  parent1[0]: (855) {G3,W8,D2,L2,V0,M1} R(853,36) { before_on_line( skol1, 
% 0.81/1.18    skol2, skol3 ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  factor: (1283) {G4,W4,D2,L1,V0,M1}  { before_on_line( skol1, skol4, skol3 )
% 0.81/1.18     }.
% 0.81/1.18  parent0[0, 1]: (1282) {G4,W8,D2,L2,V0,M2}  { before_on_line( skol1, skol4, 
% 0.81/1.18    skol3 ), before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (922) {G4,W4,D2,L1,V0,M1} R(856,266);r(855) { before_on_line( 
% 0.81/1.18    skol1, skol4, skol3 ) }.
% 0.81/1.18  parent0: (1283) {G4,W4,D2,L1,V0,M1}  { before_on_line( skol1, skol4, skol3
% 0.81/1.18     ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1284) {G3,W4,D2,L1,V0,M1}  { ! before_on_line( skol1, skol3, 
% 0.81/1.18    skol2 ) }.
% 0.81/1.18  parent0[1]: (278) {G2,W8,D2,L2,V0,M1} R(38,217) { ! before_on_line( skol1, 
% 0.81/1.18    skol3, skol2 ), ! before_on_line( skol1, skol4, skol3 ) }.
% 0.81/1.18  parent1[0]: (922) {G4,W4,D2,L1,V0,M1} R(856,266);r(855) { before_on_line( 
% 0.81/1.18    skol1, skol4, skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (923) {G5,W4,D2,L1,V0,M1} R(922,278) { ! before_on_line( skol1
% 0.81/1.18    , skol3, skol2 ) }.
% 0.81/1.18  parent0: (1284) {G3,W4,D2,L1,V0,M1}  { ! before_on_line( skol1, skol3, 
% 0.81/1.18    skol2 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1285) {G1,W3,D2,L1,V0,M1}  { distinct_points( skol4, skol3 )
% 0.81/1.18     }.
% 0.81/1.18  parent0[1]: (15) {G0,W7,D2,L2,V3,M1} I { distinct_points( Y, Z ), ! 
% 0.81/1.18    before_on_line( X, Y, Z ) }.
% 0.81/1.18  parent1[0]: (922) {G4,W4,D2,L1,V0,M1} R(856,266);r(855) { before_on_line( 
% 0.81/1.18    skol1, skol4, skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := skol1
% 0.81/1.18     Y := skol4
% 0.81/1.18     Z := skol3
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (924) {G5,W3,D2,L1,V0,M1} R(922,15) { distinct_points( skol4, 
% 0.81/1.18    skol3 ) }.
% 0.81/1.18  parent0: (1285) {G1,W3,D2,L1,V0,M1}  { distinct_points( skol4, skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1286) {G2,W3,D2,L1,V0,M1}  { distinct_points( skol3, skol4 )
% 0.81/1.18     }.
% 0.81/1.18  parent0[0]: (289) {G1,W6,D2,L2,V2,M2} R(40,39) { ! distinct_points( Y, X )
% 0.81/1.18    , distinct_points( X, Y ) }.
% 0.81/1.18  parent1[0]: (924) {G5,W3,D2,L1,V0,M1} R(922,15) { distinct_points( skol4, 
% 0.81/1.18    skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := skol3
% 0.81/1.18     Y := skol4
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (929) {G6,W3,D2,L1,V0,M1} R(924,289) { distinct_points( skol3
% 0.81/1.18    , skol4 ) }.
% 0.81/1.18  parent0: (1286) {G2,W3,D2,L1,V0,M1}  { distinct_points( skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1287) {G1,W7,D2,L2,V3,M2}  { ! distinct_points( X, Y ), 
% 0.81/1.18    before_on_line( Z, X, Y ) }.
% 0.81/1.18  parent0[1]: (17) {G0,W11,D2,L3,V3,M1} I { ! distinct_points( Y, Z ), ! 
% 0.81/1.18    alpha7( X, Y, Z ), before_on_line( X, Y, Z ) }.
% 0.81/1.18  parent1[0]: (906) {G8,W4,D2,L1,V3,M1} S(148);r(520);r(180);r(157) { alpha7
% 0.81/1.18    ( X, Y, Z ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := Z
% 0.81/1.18     Y := X
% 0.81/1.18     Z := Y
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18     X := Z
% 0.81/1.18     Y := X
% 0.81/1.18     Z := Y
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (1002) {G9,W7,D2,L2,V3,M1} S(17);r(906) { ! distinct_points( Y
% 0.81/1.18    , Z ), before_on_line( X, Y, Z ) }.
% 0.81/1.18  parent0: (1287) {G1,W7,D2,L2,V3,M2}  { ! distinct_points( X, Y ), 
% 0.81/1.18    before_on_line( Z, X, Y ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := Y
% 0.81/1.18     Y := Z
% 0.81/1.18     Z := X
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18     1 ==> 1
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1289) {G3,W7,D2,L2,V0,M2}  { ! before_on_line( skol1, skol2, 
% 0.81/1.18    skol3 ), ! distinct_points( skol3, skol4 ) }.
% 0.81/1.18  parent0[1]: (266) {G2,W8,D2,L2,V0,M1} R(35,247) { ! before_on_line( skol1, 
% 0.81/1.18    skol2, skol3 ), ! before_on_line( skol1, skol3, skol4 ) }.
% 0.81/1.18  parent1[1]: (1002) {G9,W7,D2,L2,V3,M1} S(17);r(906) { ! distinct_points( Y
% 0.81/1.18    , Z ), before_on_line( X, Y, Z ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18     X := skol1
% 0.81/1.18     Y := skol3
% 0.81/1.18     Z := skol4
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1290) {G4,W4,D2,L1,V0,M1}  { ! before_on_line( skol1, skol2, 
% 0.81/1.18    skol3 ) }.
% 0.81/1.18  parent0[1]: (1289) {G3,W7,D2,L2,V0,M2}  { ! before_on_line( skol1, skol2, 
% 0.81/1.18    skol3 ), ! distinct_points( skol3, skol4 ) }.
% 0.81/1.18  parent1[0]: (929) {G6,W3,D2,L1,V0,M1} R(924,289) { distinct_points( skol3, 
% 0.81/1.18    skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (1004) {G10,W4,D2,L1,V0,M1} R(1002,266);r(929) { ! 
% 0.81/1.18    before_on_line( skol1, skol2, skol3 ) }.
% 0.81/1.18  parent0: (1290) {G4,W4,D2,L1,V0,M1}  { ! before_on_line( skol1, skol2, 
% 0.81/1.18    skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1291) {G3,W5,D2,L1,V0,M1}  { alpha3( skol1, skol2, skol3, 
% 0.81/1.18    skol4 ) }.
% 0.81/1.18  parent0[0]: (923) {G5,W4,D2,L1,V0,M1} R(922,278) { ! before_on_line( skol1
% 0.81/1.18    , skol3, skol2 ) }.
% 0.81/1.18  parent1[0]: (854) {G2,W9,D2,L2,V0,M1} R(189,34) { before_on_line( skol1, 
% 0.81/1.18    skol3, skol2 ), alpha3( skol1, skol2, skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (1038) {G6,W5,D2,L1,V0,M1} S(854);r(923) { alpha3( skol1, 
% 0.81/1.18    skol2, skol3, skol4 ) }.
% 0.81/1.18  parent0: (1291) {G3,W5,D2,L1,V0,M1}  { alpha3( skol1, skol2, skol3, skol4 )
% 0.81/1.18     }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18     0 ==> 0
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1292) {G1,W4,D2,L1,V0,M1}  { before_on_line( skol1, skol2, 
% 0.81/1.18    skol3 ) }.
% 0.81/1.18  parent0[1]: (36) {G0,W9,D2,L2,V4,M1} I { before_on_line( X, Y, Z ), ! 
% 0.81/1.18    alpha3( X, Y, Z, T ) }.
% 0.81/1.18  parent1[0]: (1038) {G6,W5,D2,L1,V0,M1} S(854);r(923) { alpha3( skol1, skol2
% 0.81/1.18    , skol3, skol4 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18     X := skol1
% 0.81/1.18     Y := skol2
% 0.81/1.18     Z := skol3
% 0.81/1.18     T := skol4
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  resolution: (1293) {G2,W0,D0,L0,V0,M0}  {  }.
% 0.81/1.18  parent0[0]: (1004) {G10,W4,D2,L1,V0,M1} R(1002,266);r(929) { ! 
% 0.81/1.18    before_on_line( skol1, skol2, skol3 ) }.
% 0.81/1.18  parent1[0]: (1292) {G1,W4,D2,L1,V0,M1}  { before_on_line( skol1, skol2, 
% 0.81/1.18    skol3 ) }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  substitution1:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  subsumption: (1039) {G11,W0,D0,L0,V0,M0} R(1038,36);r(1004) {  }.
% 0.81/1.18  parent0: (1293) {G2,W0,D0,L0,V0,M0}  {  }.
% 0.81/1.18  substitution0:
% 0.81/1.18  end
% 0.81/1.18  permutation0:
% 0.81/1.18  end
% 0.81/1.18  
% 0.81/1.18  Proof check complete!
% 0.81/1.18  
% 0.81/1.18  Memory use:
% 0.81/1.18  
% 0.81/1.18  space for terms:        13351
% 0.81/1.18  space for clauses:      46071
% 0.81/1.18  
% 0.81/1.18  
% 0.81/1.18  clauses generated:      6163
% 0.81/1.18  clauses kept:           1040
% 0.81/1.18  clauses selected:       254
% 0.81/1.18  clauses deleted:        260
% 0.81/1.18  clauses inuse deleted:  107
% 0.81/1.18  
% 0.81/1.18  subsentry:          143361
% 0.81/1.18  literals s-matched: 50068
% 0.81/1.18  literals matched:   49965
% 0.81/1.18  full subsumption:   13749
% 0.81/1.18  
% 0.81/1.18  checksum:           654318589
% 0.81/1.18  
% 0.81/1.18  
% 0.81/1.18  Bliksem ended
%------------------------------------------------------------------------------