TSTP Solution File: GEO233+1 by Bliksem---1.12

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Bliksem---1.12
% Problem  : GEO233+1 : TPTP v8.1.0. Bugfixed v6.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : bliksem %s

% Computer : n006.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 02:53:06 EDT 2022

% Result   : Theorem 0.42s 1.17s
% Output   : Refutation 0.42s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GEO233+1 : TPTP v8.1.0. Bugfixed v6.4.0.
% 0.07/0.13  % Command  : bliksem %s
% 0.12/0.34  % Computer : n006.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % DateTime : Sat Jun 18 13:37:25 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.42/1.16  *** allocated 10000 integers for termspace/termends
% 0.42/1.16  *** allocated 10000 integers for clauses
% 0.42/1.16  *** allocated 10000 integers for justifications
% 0.42/1.16  Bliksem 1.12
% 0.42/1.16  
% 0.42/1.16  
% 0.42/1.16  Automatic Strategy Selection
% 0.42/1.16  
% 0.42/1.16  
% 0.42/1.16  Clauses:
% 0.42/1.16  
% 0.42/1.16  { ! apart_point_and_line( X, Y ), left_apart_point( X, Y ), 
% 0.42/1.16    left_apart_point( X, reverse_line( Y ) ) }.
% 0.42/1.16  { ! left_apart_point( X, Y ), apart_point_and_line( X, Y ) }.
% 0.42/1.16  { ! left_apart_point( X, reverse_line( Y ) ), apart_point_and_line( X, Y )
% 0.42/1.16     }.
% 0.42/1.16  { ! convergent_lines( X, Y ), unequally_directed_lines( X, Y ) }.
% 0.42/1.16  { ! convergent_lines( X, Y ), unequally_directed_lines( X, reverse_line( Y
% 0.42/1.16     ) ) }.
% 0.42/1.16  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.42/1.16    reverse_line( Y ) ), convergent_lines( X, Y ) }.
% 0.42/1.16  { ! divides_points( Z, X, Y ), alpha1( X, Y, Z ), alpha4( X, Y, Z ) }.
% 0.42/1.16  { ! alpha1( X, Y, Z ), divides_points( Z, X, Y ) }.
% 0.42/1.16  { ! alpha4( X, Y, Z ), divides_points( Z, X, Y ) }.
% 0.42/1.16  { ! alpha4( X, Y, Z ), left_apart_point( X, reverse_line( Z ) ) }.
% 0.42/1.16  { ! alpha4( X, Y, Z ), left_apart_point( Y, Z ) }.
% 0.42/1.16  { ! left_apart_point( X, reverse_line( Z ) ), ! left_apart_point( Y, Z ), 
% 0.42/1.16    alpha4( X, Y, Z ) }.
% 0.42/1.16  { ! alpha1( X, Y, Z ), left_apart_point( X, Z ) }.
% 0.42/1.16  { ! alpha1( X, Y, Z ), left_apart_point( Y, reverse_line( Z ) ) }.
% 0.42/1.16  { ! left_apart_point( X, Z ), ! left_apart_point( Y, reverse_line( Z ) ), 
% 0.42/1.16    alpha1( X, Y, Z ) }.
% 0.42/1.16  { ! before_on_line( X, Y, Z ), distinct_points( Y, Z ) }.
% 0.42/1.16  { ! before_on_line( X, Y, Z ), alpha7( X, Y, Z ) }.
% 0.42/1.16  { ! distinct_points( Y, Z ), ! alpha7( X, Y, Z ), before_on_line( X, Y, Z )
% 0.42/1.16     }.
% 0.42/1.16  { ! alpha7( X, Y, Z ), alpha2( X, Y ) }.
% 0.42/1.16  { ! alpha7( X, Y, Z ), alpha8( X, Y, Z ) }.
% 0.42/1.16  { ! alpha2( X, Y ), ! alpha8( X, Y, Z ), alpha7( X, Y, Z ) }.
% 0.42/1.16  { ! alpha8( X, Y, Z ), alpha5( X, Z ) }.
% 0.42/1.16  { ! alpha8( X, Y, Z ), ! unequally_directed_lines( X, line_connecting( Y, Z
% 0.42/1.16     ) ) }.
% 0.42/1.16  { ! alpha5( X, Z ), unequally_directed_lines( X, line_connecting( Y, Z ) )
% 0.42/1.16    , alpha8( X, Y, Z ) }.
% 0.42/1.16  { ! alpha5( X, Y ), ! left_apart_point( Y, X ) }.
% 0.42/1.16  { ! alpha5( X, Y ), ! left_apart_point( Y, reverse_line( X ) ) }.
% 0.42/1.16  { left_apart_point( Y, X ), left_apart_point( Y, reverse_line( X ) ), 
% 0.42/1.16    alpha5( X, Y ) }.
% 0.42/1.16  { ! alpha2( X, Y ), ! left_apart_point( Y, X ) }.
% 0.42/1.16  { ! alpha2( X, Y ), ! left_apart_point( Y, reverse_line( X ) ) }.
% 0.42/1.16  { left_apart_point( Y, X ), left_apart_point( Y, reverse_line( X ) ), 
% 0.42/1.16    alpha2( X, Y ) }.
% 0.42/1.16  { ! between_on_line( X, Y, Z, T ), alpha3( X, Y, Z, T ), alpha6( X, Y, Z, T
% 0.42/1.16     ) }.
% 0.42/1.16  { ! alpha3( X, Y, Z, T ), between_on_line( X, Y, Z, T ) }.
% 0.42/1.16  { ! alpha6( X, Y, Z, T ), between_on_line( X, Y, Z, T ) }.
% 0.42/1.16  { ! alpha6( X, Y, Z, T ), before_on_line( X, T, Z ) }.
% 0.42/1.16  { ! alpha6( X, Y, Z, T ), before_on_line( X, Z, Y ) }.
% 0.42/1.16  { ! before_on_line( X, T, Z ), ! before_on_line( X, Z, Y ), alpha6( X, Y, Z
% 0.42/1.16    , T ) }.
% 0.42/1.16  { ! alpha3( X, Y, Z, T ), before_on_line( X, Y, Z ) }.
% 0.42/1.16  { ! alpha3( X, Y, Z, T ), before_on_line( X, Z, T ) }.
% 0.42/1.16  { ! before_on_line( X, Y, Z ), ! before_on_line( X, Z, T ), alpha3( X, Y, Z
% 0.42/1.16    , T ) }.
% 0.42/1.16  { ! distinct_points( X, X ) }.
% 0.42/1.16  { ! distinct_points( X, Y ), distinct_points( X, Z ), distinct_points( Y, Z
% 0.42/1.16     ) }.
% 0.42/1.16  { ! distinct_lines( X, X ) }.
% 0.42/1.16  { ! distinct_lines( X, Y ), distinct_lines( X, Z ), distinct_lines( Y, Z )
% 0.42/1.16     }.
% 0.42/1.16  { ! unequally_directed_lines( X, X ) }.
% 0.42/1.16  { ! unequally_directed_lines( X, Y ), unequally_directed_lines( X, Z ), 
% 0.42/1.16    unequally_directed_lines( Y, Z ) }.
% 0.42/1.16  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.42/1.16    reverse_line( Y ) ), alpha9( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.42/1.16  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.42/1.16    reverse_line( Y ) ), alpha9( X, Z ), unequally_directed_lines( Y, 
% 0.42/1.16    reverse_line( Z ) ) }.
% 0.42/1.16  { ! alpha9( X, Y ), unequally_directed_lines( X, Y ) }.
% 0.42/1.16  { ! alpha9( X, Y ), unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.42/1.16  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.42/1.16    reverse_line( Y ) ), alpha9( X, Y ) }.
% 0.42/1.16  { ! line( X ), ! line( Y ), unequally_directed_lines( X, Y ), 
% 0.42/1.16    unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.42/1.16  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.42/1.16    reverse_line( Y ) ), left_convergent_lines( X, Y ), left_convergent_lines
% 0.42/1.16    ( X, reverse_line( Y ) ) }.
% 0.42/1.17  { ! left_apart_point( X, Y ) }.
% 0.42/1.17  { ! left_apart_point( X, reverse_line( Y ) ) }.
% 0.42/1.17  { ! left_convergent_lines( X, Y ) }.
% 0.42/1.17  { ! left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.42/1.17  { ! point( X ), ! point( Y ), ! distinct_points( X, Y ), line( 
% 0.42/1.17    line_connecting( X, Y ) ) }.
% 0.42/1.17  { ! line( X ), ! line( Y ), ! unequally_directed_lines( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), point( 
% 0.42/1.17    intersection_point( X, Y ) ) }.
% 0.42/1.17  { ! point( Y ), ! line( X ), line( parallel_through_point( X, Y ) ) }.
% 0.42/1.17  { ! line( X ), line( reverse_line( X ) ) }.
% 0.42/1.17  { ! distinct_points( X, Y ), ! apart_point_and_line( X, line_connecting( X
% 0.42/1.17    , Y ) ) }.
% 0.42/1.17  { ! distinct_points( X, Y ), ! apart_point_and_line( Y, line_connecting( X
% 0.42/1.17    , Y ) ) }.
% 0.42/1.17  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( Y ) ), ! apart_point_and_line( intersection_point( X, Y ), 
% 0.42/1.17    X ) }.
% 0.42/1.17  { ! unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( Y ) ), ! apart_point_and_line( intersection_point( X, Y ), 
% 0.42/1.17    Y ) }.
% 0.42/1.17  { ! apart_point_and_line( X, parallel_through_point( Y, X ) ) }.
% 0.42/1.17  { ! distinct_lines( X, reverse_line( X ) ) }.
% 0.42/1.17  { ! unequally_directed_lines( line_connecting( X, Y ), reverse_line( 
% 0.42/1.17    line_connecting( Y, X ) ) ) }.
% 0.42/1.17  { ! unequally_directed_lines( parallel_through_point( Y, X ), Y ) }.
% 0.42/1.17  { ! distinct_points( X, Y ), ! distinct_lines( Z, T ), left_apart_point( X
% 0.42/1.17    , Z ), left_apart_point( Y, Z ), left_apart_point( X, T ), 
% 0.42/1.17    left_apart_point( Y, T ), left_apart_point( X, reverse_line( Z ) ), 
% 0.42/1.17    left_apart_point( Y, reverse_line( Z ) ), left_apart_point( X, 
% 0.42/1.17    reverse_line( T ) ), left_apart_point( Y, reverse_line( T ) ) }.
% 0.42/1.17  { ! distinct_points( X, Y ), ! left_apart_point( X, Z ), left_apart_point( 
% 0.42/1.17    Y, Z ), left_convergent_lines( line_connecting( X, Y ), Z ) }.
% 0.42/1.17  { ! left_apart_point( X, Y ), distinct_points( X, Z ), left_apart_point( Z
% 0.42/1.17    , Y ) }.
% 0.42/1.17  { ! left_apart_point( X, Y ), ! unequally_directed_lines( Y, Z ), 
% 0.42/1.17    distinct_lines( Y, Z ), left_apart_point( X, reverse_line( Z ) ) }.
% 0.42/1.17  { ! left_convergent_lines( X, Y ), unequally_directed_lines( Y, Z ), 
% 0.42/1.17    left_convergent_lines( X, Z ) }.
% 0.42/1.17  { unequally_directed_lines( reverse_line( reverse_line( skol1 ) ), skol1 )
% 0.42/1.17     }.
% 0.42/1.17  
% 0.42/1.17  percentage equality = 0.000000, percentage horn = 0.794118
% 0.42/1.17  This a non-horn, non-equality problem
% 0.42/1.17  
% 0.42/1.17  
% 0.42/1.17  Options Used:
% 0.42/1.17  
% 0.42/1.17  useres =            1
% 0.42/1.17  useparamod =        0
% 0.42/1.17  useeqrefl =         0
% 0.42/1.17  useeqfact =         0
% 0.42/1.17  usefactor =         1
% 0.42/1.17  usesimpsplitting =  0
% 0.42/1.17  usesimpdemod =      0
% 0.42/1.17  usesimpres =        3
% 0.42/1.17  
% 0.42/1.17  resimpinuse      =  1000
% 0.42/1.17  resimpclauses =     20000
% 0.42/1.17  substype =          standard
% 0.42/1.17  backwardsubs =      1
% 0.42/1.17  selectoldest =      5
% 0.42/1.17  
% 0.42/1.17  litorderings [0] =  split
% 0.42/1.17  litorderings [1] =  liftord
% 0.42/1.17  
% 0.42/1.17  termordering =      none
% 0.42/1.17  
% 0.42/1.17  litapriori =        1
% 0.42/1.17  termapriori =       0
% 0.42/1.17  litaposteriori =    0
% 0.42/1.17  termaposteriori =   0
% 0.42/1.17  demodaposteriori =  0
% 0.42/1.17  ordereqreflfact =   0
% 0.42/1.17  
% 0.42/1.17  litselect =         none
% 0.42/1.17  
% 0.42/1.17  maxweight =         15
% 0.42/1.17  maxdepth =          30000
% 0.42/1.17  maxlength =         115
% 0.42/1.17  maxnrvars =         195
% 0.42/1.17  excuselevel =       1
% 0.42/1.17  increasemaxweight = 1
% 0.42/1.17  
% 0.42/1.17  maxselected =       10000000
% 0.42/1.17  maxnrclauses =      10000000
% 0.42/1.17  
% 0.42/1.17  showgenerated =    0
% 0.42/1.17  showkept =         0
% 0.42/1.17  showselected =     0
% 0.42/1.17  showdeleted =      0
% 0.42/1.17  showresimp =       1
% 0.42/1.17  showstatus =       2000
% 0.42/1.17  
% 0.42/1.17  prologoutput =     0
% 0.42/1.17  nrgoals =          5000000
% 0.42/1.17  totalproof =       1
% 0.42/1.17  
% 0.42/1.17  Symbols occurring in the translation:
% 0.42/1.17  
% 0.42/1.17  {}  [0, 0]      (w:1, o:2, a:1, s:1, b:0), 
% 0.42/1.17  .  [1, 2]      (w:1, o:21, a:1, s:1, b:0), 
% 0.42/1.17  !  [4, 1]      (w:0, o:13, a:1, s:1, b:0), 
% 0.42/1.17  =  [13, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.42/1.17  ==>  [14, 2]      (w:1, o:0, a:0, s:1, b:0), 
% 0.42/1.17  apart_point_and_line  [37, 2]      (w:1, o:45, a:1, s:1, b:0), 
% 0.42/1.17  left_apart_point  [38, 2]      (w:1, o:46, a:1, s:1, b:0), 
% 0.42/1.17  reverse_line  [39, 1]      (w:1, o:18, a:1, s:1, b:0), 
% 0.42/1.17  convergent_lines  [41, 2]      (w:1, o:47, a:1, s:1, b:0), 
% 0.42/1.17  unequally_directed_lines  [42, 2]      (w:1, o:48, a:1, s:1, b:0), 
% 0.42/1.17  divides_points  [44, 3]      (w:1, o:58, a:1, s:1, b:0), 
% 0.42/1.17  before_on_line  [45, 3]      (w:1, o:63, a:1, s:1, b:0), 
% 0.42/1.17  distinct_points  [46, 2]      (w:1, o:49, a:1, s:1, b:0), 
% 0.42/1.17  line_connecting  [47, 2]      (w:1, o:50, a:1, s:1, b:0), 
% 0.42/1.17  between_on_line  [49, 4]      (w:1, o:66, a:1, s:1, b:0), 
% 0.42/1.17  distinct_lines  [50, 2]      (w:1, o:51, a:1, s:1, b:0), 
% 0.42/1.17  line  [52, 1]      (w:1, o:19, a:1, s:1, b:0), 
% 0.42/1.17  left_convergent_lines  [53, 2]      (w:1, o:52, a:1, s:1, b:0), 
% 0.42/1.17  point  [54, 1]      (w:1, o:20, a:1, s:1, b:0), 
% 0.42/1.17  intersection_point  [55, 2]      (w:1, o:53, a:1, s:1, b:0), 
% 0.42/1.17  parallel_through_point  [56, 2]      (w:1, o:54, a:1, s:1, b:0), 
% 0.42/1.17  alpha1  [57, 3]      (w:1, o:59, a:1, s:1, b:0), 
% 0.42/1.17  alpha2  [58, 2]      (w:1, o:55, a:1, s:1, b:0), 
% 0.42/1.17  alpha3  [59, 4]      (w:1, o:64, a:1, s:1, b:0), 
% 0.42/1.17  alpha4  [60, 3]      (w:1, o:60, a:1, s:1, b:0), 
% 0.42/1.17  alpha5  [61, 2]      (w:1, o:56, a:1, s:1, b:0), 
% 0.42/1.17  alpha6  [62, 4]      (w:1, o:65, a:1, s:1, b:0), 
% 0.42/1.17  alpha7  [63, 3]      (w:1, o:61, a:1, s:1, b:0), 
% 0.42/1.17  alpha8  [64, 3]      (w:1, o:62, a:1, s:1, b:0), 
% 0.42/1.17  alpha9  [65, 2]      (w:1, o:57, a:1, s:1, b:0), 
% 0.42/1.17  skol1  [66, 0]      (w:1, o:12, a:1, s:1, b:0).
% 0.42/1.17  
% 0.42/1.17  
% 0.42/1.17  Starting Search:
% 0.42/1.17  
% 0.42/1.17  *** allocated 15000 integers for clauses
% 0.42/1.17  *** allocated 22500 integers for clauses
% 0.42/1.17  *** allocated 33750 integers for clauses
% 0.42/1.17  
% 0.42/1.17  Bliksems!, er is een bewijs:
% 0.42/1.17  % SZS status Theorem
% 0.42/1.17  % SZS output start Refutation
% 0.42/1.17  
% 0.42/1.17  (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X ) }.
% 0.42/1.17  (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.42/1.17    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.42/1.17  (51) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines( 
% 0.42/1.17    X, reverse_line( Y ) ), left_convergent_lines( X, Y ) }.
% 0.42/1.17  (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y ) }.
% 0.42/1.17  (65) {G0,W5,D3,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.42/1.17    parallel_through_point( Y, X ), Y ) }.
% 0.42/1.17  (67) {G0,W5,D4,L1,V0,M1} I { unequally_directed_lines( reverse_line( 
% 0.42/1.17    reverse_line( skol1 ) ), skol1 ) }.
% 0.42/1.17  (109) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines( Y, X ), 
% 0.42/1.17    unequally_directed_lines( X, Y ) }.
% 0.42/1.17  (120) {G2,W5,D4,L1,V0,M1} R(109,67) { unequally_directed_lines( skol1, 
% 0.42/1.17    reverse_line( reverse_line( skol1 ) ) ) }.
% 0.42/1.17  (121) {G2,W5,D3,L1,V2,M1} R(109,65) { ! unequally_directed_lines( X, 
% 0.42/1.17    parallel_through_point( X, Y ) ) }.
% 0.42/1.17  (122) {G3,W8,D3,L2,V3,M2} R(121,44) { ! unequally_directed_lines( Y, X ), 
% 0.42/1.17    unequally_directed_lines( X, parallel_through_point( Y, Z ) ) }.
% 0.42/1.17  (147) {G4,W7,D5,L1,V1,M1} R(122,67) { unequally_directed_lines( skol1, 
% 0.42/1.17    parallel_through_point( reverse_line( reverse_line( skol1 ) ), X ) ) }.
% 0.42/1.17  (428) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! unequally_directed_lines( X
% 0.42/1.17    , reverse_line( Y ) ), ! unequally_directed_lines( X, Y ) }.
% 0.42/1.17  (462) {G3,W4,D3,L1,V0,M1} R(428,120) { ! unequally_directed_lines( skol1, 
% 0.42/1.17    reverse_line( skol1 ) ) }.
% 0.42/1.17  (465) {G2,W7,D3,L2,V2,M2} R(428,109) { ! unequally_directed_lines( Y, X ), 
% 0.42/1.17    ! unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.42/1.17  (479) {G4,W3,D2,L1,V1,M1} R(462,44);r(465) { ! unequally_directed_lines( 
% 0.42/1.17    skol1, X ) }.
% 0.42/1.17  (486) {G5,W0,D0,L0,V0,M0} R(479,147) {  }.
% 0.42/1.17  
% 0.42/1.17  
% 0.42/1.17  % SZS output end Refutation
% 0.42/1.17  found a proof!
% 0.42/1.17  
% 0.42/1.17  
% 0.42/1.17  Unprocessed initial clauses:
% 0.42/1.17  
% 0.42/1.17  (488) {G0,W10,D3,L3,V2,M3}  { ! apart_point_and_line( X, Y ), 
% 0.42/1.17    left_apart_point( X, Y ), left_apart_point( X, reverse_line( Y ) ) }.
% 0.42/1.17  (489) {G0,W6,D2,L2,V2,M2}  { ! left_apart_point( X, Y ), 
% 0.42/1.17    apart_point_and_line( X, Y ) }.
% 0.42/1.17  (490) {G0,W7,D3,L2,V2,M2}  { ! left_apart_point( X, reverse_line( Y ) ), 
% 0.42/1.17    apart_point_and_line( X, Y ) }.
% 0.42/1.17  (491) {G0,W6,D2,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.42/1.17    unequally_directed_lines( X, Y ) }.
% 0.42/1.17  (492) {G0,W7,D3,L2,V2,M2}  { ! convergent_lines( X, Y ), 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.42/1.17  (493) {G0,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), convergent_lines( X, Y
% 0.42/1.17     ) }.
% 0.42/1.17  (494) {G0,W12,D2,L3,V3,M3}  { ! divides_points( Z, X, Y ), alpha1( X, Y, Z
% 0.42/1.17     ), alpha4( X, Y, Z ) }.
% 0.42/1.17  (495) {G0,W8,D2,L2,V3,M2}  { ! alpha1( X, Y, Z ), divides_points( Z, X, Y )
% 0.42/1.17     }.
% 0.42/1.17  (496) {G0,W8,D2,L2,V3,M2}  { ! alpha4( X, Y, Z ), divides_points( Z, X, Y )
% 0.42/1.17     }.
% 0.42/1.17  (497) {G0,W8,D3,L2,V3,M2}  { ! alpha4( X, Y, Z ), left_apart_point( X, 
% 0.42/1.17    reverse_line( Z ) ) }.
% 0.42/1.17  (498) {G0,W7,D2,L2,V3,M2}  { ! alpha4( X, Y, Z ), left_apart_point( Y, Z )
% 0.42/1.17     }.
% 0.42/1.17  (499) {G0,W11,D3,L3,V3,M3}  { ! left_apart_point( X, reverse_line( Z ) ), !
% 0.42/1.17     left_apart_point( Y, Z ), alpha4( X, Y, Z ) }.
% 0.42/1.17  (500) {G0,W7,D2,L2,V3,M2}  { ! alpha1( X, Y, Z ), left_apart_point( X, Z )
% 0.42/1.17     }.
% 0.42/1.17  (501) {G0,W8,D3,L2,V3,M2}  { ! alpha1( X, Y, Z ), left_apart_point( Y, 
% 0.42/1.17    reverse_line( Z ) ) }.
% 0.42/1.17  (502) {G0,W11,D3,L3,V3,M3}  { ! left_apart_point( X, Z ), ! 
% 0.42/1.17    left_apart_point( Y, reverse_line( Z ) ), alpha1( X, Y, Z ) }.
% 0.42/1.17  (503) {G0,W7,D2,L2,V3,M2}  { ! before_on_line( X, Y, Z ), distinct_points( 
% 0.42/1.17    Y, Z ) }.
% 0.42/1.17  (504) {G0,W8,D2,L2,V3,M2}  { ! before_on_line( X, Y, Z ), alpha7( X, Y, Z )
% 0.42/1.17     }.
% 0.42/1.17  (505) {G0,W11,D2,L3,V3,M3}  { ! distinct_points( Y, Z ), ! alpha7( X, Y, Z
% 0.42/1.17     ), before_on_line( X, Y, Z ) }.
% 0.42/1.17  (506) {G0,W7,D2,L2,V3,M2}  { ! alpha7( X, Y, Z ), alpha2( X, Y ) }.
% 0.42/1.17  (507) {G0,W8,D2,L2,V3,M2}  { ! alpha7( X, Y, Z ), alpha8( X, Y, Z ) }.
% 0.42/1.17  (508) {G0,W11,D2,L3,V3,M3}  { ! alpha2( X, Y ), ! alpha8( X, Y, Z ), alpha7
% 0.42/1.17    ( X, Y, Z ) }.
% 0.42/1.17  (509) {G0,W7,D2,L2,V3,M2}  { ! alpha8( X, Y, Z ), alpha5( X, Z ) }.
% 0.42/1.17  (510) {G0,W9,D3,L2,V3,M2}  { ! alpha8( X, Y, Z ), ! 
% 0.42/1.17    unequally_directed_lines( X, line_connecting( Y, Z ) ) }.
% 0.42/1.17  (511) {G0,W12,D3,L3,V3,M3}  { ! alpha5( X, Z ), unequally_directed_lines( X
% 0.42/1.17    , line_connecting( Y, Z ) ), alpha8( X, Y, Z ) }.
% 0.42/1.17  (512) {G0,W6,D2,L2,V2,M2}  { ! alpha5( X, Y ), ! left_apart_point( Y, X )
% 0.42/1.17     }.
% 0.42/1.17  (513) {G0,W7,D3,L2,V2,M2}  { ! alpha5( X, Y ), ! left_apart_point( Y, 
% 0.42/1.17    reverse_line( X ) ) }.
% 0.42/1.17  (514) {G0,W10,D3,L3,V2,M3}  { left_apart_point( Y, X ), left_apart_point( Y
% 0.42/1.17    , reverse_line( X ) ), alpha5( X, Y ) }.
% 0.42/1.17  (515) {G0,W6,D2,L2,V2,M2}  { ! alpha2( X, Y ), ! left_apart_point( Y, X )
% 0.42/1.17     }.
% 0.42/1.17  (516) {G0,W7,D3,L2,V2,M2}  { ! alpha2( X, Y ), ! left_apart_point( Y, 
% 0.42/1.17    reverse_line( X ) ) }.
% 0.42/1.17  (517) {G0,W10,D3,L3,V2,M3}  { left_apart_point( Y, X ), left_apart_point( Y
% 0.42/1.17    , reverse_line( X ) ), alpha2( X, Y ) }.
% 0.42/1.17  (518) {G0,W15,D2,L3,V4,M3}  { ! between_on_line( X, Y, Z, T ), alpha3( X, Y
% 0.42/1.17    , Z, T ), alpha6( X, Y, Z, T ) }.
% 0.42/1.17  (519) {G0,W10,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), between_on_line( X, Y
% 0.42/1.17    , Z, T ) }.
% 0.42/1.17  (520) {G0,W10,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), between_on_line( X, Y
% 0.42/1.17    , Z, T ) }.
% 0.42/1.17  (521) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), before_on_line( X, T, 
% 0.42/1.17    Z ) }.
% 0.42/1.17  (522) {G0,W9,D2,L2,V4,M2}  { ! alpha6( X, Y, Z, T ), before_on_line( X, Z, 
% 0.42/1.17    Y ) }.
% 0.42/1.17  (523) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, T, Z ), ! before_on_line
% 0.42/1.17    ( X, Z, Y ), alpha6( X, Y, Z, T ) }.
% 0.42/1.17  (524) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), before_on_line( X, Y, 
% 0.42/1.17    Z ) }.
% 0.42/1.17  (525) {G0,W9,D2,L2,V4,M2}  { ! alpha3( X, Y, Z, T ), before_on_line( X, Z, 
% 0.42/1.17    T ) }.
% 0.42/1.17  (526) {G0,W13,D2,L3,V4,M3}  { ! before_on_line( X, Y, Z ), ! before_on_line
% 0.42/1.17    ( X, Z, T ), alpha3( X, Y, Z, T ) }.
% 0.42/1.17  (527) {G0,W3,D2,L1,V1,M1}  { ! distinct_points( X, X ) }.
% 0.42/1.17  (528) {G0,W9,D2,L3,V3,M3}  { ! distinct_points( X, Y ), distinct_points( X
% 0.42/1.17    , Z ), distinct_points( Y, Z ) }.
% 0.42/1.17  (529) {G0,W3,D2,L1,V1,M1}  { ! distinct_lines( X, X ) }.
% 0.42/1.17  (530) {G0,W9,D2,L3,V3,M3}  { ! distinct_lines( X, Y ), distinct_lines( X, Z
% 0.42/1.17     ), distinct_lines( Y, Z ) }.
% 0.42/1.17  (531) {G0,W3,D2,L1,V1,M1}  { ! unequally_directed_lines( X, X ) }.
% 0.42/1.17  (532) {G0,W9,D2,L3,V3,M3}  { ! unequally_directed_lines( X, Y ), 
% 0.42/1.17    unequally_directed_lines( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.42/1.17  (533) {G0,W13,D3,L4,V3,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), alpha9( X, Z ), 
% 0.42/1.17    unequally_directed_lines( Y, Z ) }.
% 0.42/1.17  (534) {G0,W14,D3,L4,V3,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), alpha9( X, Z ), 
% 0.42/1.17    unequally_directed_lines( Y, reverse_line( Z ) ) }.
% 0.42/1.17  (535) {G0,W6,D2,L2,V2,M2}  { ! alpha9( X, Y ), unequally_directed_lines( X
% 0.42/1.17    , Y ) }.
% 0.42/1.17  (536) {G0,W7,D3,L2,V2,M2}  { ! alpha9( X, Y ), unequally_directed_lines( X
% 0.42/1.17    , reverse_line( Y ) ) }.
% 0.42/1.17  (537) {G0,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), alpha9( X, Y ) }.
% 0.42/1.17  (538) {G0,W11,D3,L4,V2,M4}  { ! line( X ), ! line( Y ), 
% 0.42/1.17    unequally_directed_lines( X, Y ), unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( Y ) ) }.
% 0.42/1.17  (539) {G0,W14,D3,L4,V2,M4}  { ! unequally_directed_lines( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines( 
% 0.42/1.17    X, Y ), left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.42/1.17  (540) {G0,W3,D2,L1,V2,M1}  { ! left_apart_point( X, Y ) }.
% 0.42/1.17  (541) {G0,W4,D3,L1,V2,M1}  { ! left_apart_point( X, reverse_line( Y ) ) }.
% 0.42/1.17  (542) {G0,W3,D2,L1,V2,M1}  { ! left_convergent_lines( X, Y ) }.
% 0.42/1.17  (543) {G0,W4,D3,L1,V2,M1}  { ! left_convergent_lines( X, reverse_line( Y )
% 0.42/1.17     ) }.
% 0.42/1.17  (544) {G0,W11,D3,L4,V2,M4}  { ! point( X ), ! point( Y ), ! distinct_points
% 0.42/1.17    ( X, Y ), line( line_connecting( X, Y ) ) }.
% 0.42/1.17  (545) {G0,W15,D3,L5,V2,M5}  { ! line( X ), ! line( Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, Y ), ! unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( Y ) ), point( intersection_point( X, Y ) ) }.
% 0.42/1.17  (546) {G0,W8,D3,L3,V2,M3}  { ! point( Y ), ! line( X ), line( 
% 0.42/1.17    parallel_through_point( X, Y ) ) }.
% 0.42/1.17  (547) {G0,W5,D3,L2,V1,M2}  { ! line( X ), line( reverse_line( X ) ) }.
% 0.42/1.17  (548) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.42/1.17    apart_point_and_line( X, line_connecting( X, Y ) ) }.
% 0.42/1.17  (549) {G0,W8,D3,L2,V2,M2}  { ! distinct_points( X, Y ), ! 
% 0.42/1.17    apart_point_and_line( Y, line_connecting( X, Y ) ) }.
% 0.42/1.17  (550) {G0,W12,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), ! apart_point_and_line
% 0.42/1.17    ( intersection_point( X, Y ), X ) }.
% 0.42/1.17  (551) {G0,W12,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), ! apart_point_and_line
% 0.42/1.17    ( intersection_point( X, Y ), Y ) }.
% 0.42/1.17  (552) {G0,W5,D3,L1,V2,M1}  { ! apart_point_and_line( X, 
% 0.42/1.17    parallel_through_point( Y, X ) ) }.
% 0.42/1.17  (553) {G0,W4,D3,L1,V1,M1}  { ! distinct_lines( X, reverse_line( X ) ) }.
% 0.42/1.17  (554) {G0,W8,D4,L1,V2,M1}  { ! unequally_directed_lines( line_connecting( X
% 0.42/1.17    , Y ), reverse_line( line_connecting( Y, X ) ) ) }.
% 0.42/1.17  (555) {G0,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.42/1.17    parallel_through_point( Y, X ), Y ) }.
% 0.42/1.17  (556) {G0,W34,D3,L10,V4,M10}  { ! distinct_points( X, Y ), ! distinct_lines
% 0.42/1.17    ( Z, T ), left_apart_point( X, Z ), left_apart_point( Y, Z ), 
% 0.42/1.17    left_apart_point( X, T ), left_apart_point( Y, T ), left_apart_point( X, 
% 0.42/1.17    reverse_line( Z ) ), left_apart_point( Y, reverse_line( Z ) ), 
% 0.42/1.17    left_apart_point( X, reverse_line( T ) ), left_apart_point( Y, 
% 0.42/1.17    reverse_line( T ) ) }.
% 0.42/1.17  (557) {G0,W14,D3,L4,V3,M4}  { ! distinct_points( X, Y ), ! left_apart_point
% 0.42/1.17    ( X, Z ), left_apart_point( Y, Z ), left_convergent_lines( 
% 0.42/1.17    line_connecting( X, Y ), Z ) }.
% 0.42/1.17  (558) {G0,W9,D2,L3,V3,M3}  { ! left_apart_point( X, Y ), distinct_points( X
% 0.42/1.17    , Z ), left_apart_point( Z, Y ) }.
% 0.42/1.17  (559) {G0,W13,D3,L4,V3,M4}  { ! left_apart_point( X, Y ), ! 
% 0.42/1.17    unequally_directed_lines( Y, Z ), distinct_lines( Y, Z ), 
% 0.42/1.17    left_apart_point( X, reverse_line( Z ) ) }.
% 0.42/1.17  (560) {G0,W9,D2,L3,V3,M3}  { ! left_convergent_lines( X, Y ), 
% 0.42/1.17    unequally_directed_lines( Y, Z ), left_convergent_lines( X, Z ) }.
% 0.42/1.17  (561) {G0,W5,D4,L1,V0,M1}  { unequally_directed_lines( reverse_line( 
% 0.42/1.17    reverse_line( skol1 ) ), skol1 ) }.
% 0.42/1.17  
% 0.42/1.17  
% 0.42/1.17  Total Proof:
% 0.42/1.17  
% 0.42/1.17  subsumption: (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X
% 0.42/1.17     ) }.
% 0.42/1.17  parent0: (531) {G0,W3,D2,L1,V1,M1}  { ! unequally_directed_lines( X, X )
% 0.42/1.17     }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z )
% 0.42/1.17    , unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y )
% 0.42/1.17     }.
% 0.42/1.17  parent0: (532) {G0,W9,D2,L3,V3,M3}  { ! unequally_directed_lines( X, Y ), 
% 0.42/1.17    unequally_directed_lines( X, Z ), unequally_directed_lines( Y, Z ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17     Z := Z
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 2
% 0.42/1.17     1 ==> 0
% 0.42/1.17     2 ==> 1
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (51) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y
% 0.42/1.17     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.42/1.17    left_convergent_lines( X, reverse_line( Y ) ), left_convergent_lines( X, 
% 0.42/1.17    Y ) }.
% 0.42/1.17  parent0: (539) {G0,W14,D3,L4,V2,M4}  { ! unequally_directed_lines( X, Y ), 
% 0.42/1.17    ! unequally_directed_lines( X, reverse_line( Y ) ), left_convergent_lines
% 0.42/1.17    ( X, Y ), left_convergent_lines( X, reverse_line( Y ) ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17     1 ==> 1
% 0.42/1.17     2 ==> 3
% 0.42/1.17     3 ==> 2
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.42/1.17     }.
% 0.42/1.17  parent0: (542) {G0,W3,D2,L1,V2,M1}  { ! left_convergent_lines( X, Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (65) {G0,W5,D3,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.42/1.17    parallel_through_point( Y, X ), Y ) }.
% 0.42/1.17  parent0: (555) {G0,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( 
% 0.42/1.17    parallel_through_point( Y, X ), Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (67) {G0,W5,D4,L1,V0,M1} I { unequally_directed_lines( 
% 0.42/1.17    reverse_line( reverse_line( skol1 ) ), skol1 ) }.
% 0.42/1.17  parent0: (561) {G0,W5,D4,L1,V0,M1}  { unequally_directed_lines( 
% 0.42/1.17    reverse_line( reverse_line( skol1 ) ), skol1 ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (625) {G1,W6,D2,L2,V2,M2}  { unequally_directed_lines( Y, X ), 
% 0.42/1.17    ! unequally_directed_lines( X, Y ) }.
% 0.42/1.17  parent0[0]: (43) {G0,W3,D2,L1,V1,M1} I { ! unequally_directed_lines( X, X )
% 0.42/1.17     }.
% 0.42/1.17  parent1[0]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.42/1.17    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17     Z := X
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (109) {G1,W6,D2,L2,V2,M2} R(44,43) { ! 
% 0.42/1.17    unequally_directed_lines( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.42/1.17  parent0: (625) {G1,W6,D2,L2,V2,M2}  { unequally_directed_lines( Y, X ), ! 
% 0.42/1.17    unequally_directed_lines( X, Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := Y
% 0.42/1.17     Y := X
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 1
% 0.42/1.17     1 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (627) {G1,W5,D4,L1,V0,M1}  { unequally_directed_lines( skol1, 
% 0.42/1.17    reverse_line( reverse_line( skol1 ) ) ) }.
% 0.42/1.17  parent0[0]: (109) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines
% 0.42/1.17    ( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.42/1.17  parent1[0]: (67) {G0,W5,D4,L1,V0,M1} I { unequally_directed_lines( 
% 0.42/1.17    reverse_line( reverse_line( skol1 ) ), skol1 ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := skol1
% 0.42/1.17     Y := reverse_line( reverse_line( skol1 ) )
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (120) {G2,W5,D4,L1,V0,M1} R(109,67) { unequally_directed_lines
% 0.42/1.17    ( skol1, reverse_line( reverse_line( skol1 ) ) ) }.
% 0.42/1.17  parent0: (627) {G1,W5,D4,L1,V0,M1}  { unequally_directed_lines( skol1, 
% 0.42/1.17    reverse_line( reverse_line( skol1 ) ) ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (628) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( X, 
% 0.42/1.17    parallel_through_point( X, Y ) ) }.
% 0.42/1.17  parent0[0]: (65) {G0,W5,D3,L1,V2,M1} I { ! unequally_directed_lines( 
% 0.42/1.17    parallel_through_point( Y, X ), Y ) }.
% 0.42/1.17  parent1[1]: (109) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines
% 0.42/1.17    ( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := Y
% 0.42/1.17     Y := X
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17     X := parallel_through_point( X, Y )
% 0.42/1.17     Y := X
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (121) {G2,W5,D3,L1,V2,M1} R(109,65) { ! 
% 0.42/1.17    unequally_directed_lines( X, parallel_through_point( X, Y ) ) }.
% 0.42/1.17  parent0: (628) {G1,W5,D3,L1,V2,M1}  { ! unequally_directed_lines( X, 
% 0.42/1.17    parallel_through_point( X, Y ) ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (629) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.42/1.17    parallel_through_point( X, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.42/1.17  parent0[0]: (121) {G2,W5,D3,L1,V2,M1} R(109,65) { ! 
% 0.42/1.17    unequally_directed_lines( X, parallel_through_point( X, Y ) ) }.
% 0.42/1.17  parent1[0]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.42/1.17    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Z
% 0.42/1.17     Z := parallel_through_point( X, Y )
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (122) {G3,W8,D3,L2,V3,M2} R(121,44) { ! 
% 0.42/1.17    unequally_directed_lines( Y, X ), unequally_directed_lines( X, 
% 0.42/1.17    parallel_through_point( Y, Z ) ) }.
% 0.42/1.17  parent0: (629) {G1,W8,D3,L2,V3,M2}  { unequally_directed_lines( Z, 
% 0.42/1.17    parallel_through_point( X, Y ) ), ! unequally_directed_lines( X, Z ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := Y
% 0.42/1.17     Y := Z
% 0.42/1.17     Z := X
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 1
% 0.42/1.17     1 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (631) {G1,W7,D5,L1,V1,M1}  { unequally_directed_lines( skol1, 
% 0.42/1.17    parallel_through_point( reverse_line( reverse_line( skol1 ) ), X ) ) }.
% 0.42/1.17  parent0[0]: (122) {G3,W8,D3,L2,V3,M2} R(121,44) { ! 
% 0.42/1.17    unequally_directed_lines( Y, X ), unequally_directed_lines( X, 
% 0.42/1.17    parallel_through_point( Y, Z ) ) }.
% 0.42/1.17  parent1[0]: (67) {G0,W5,D4,L1,V0,M1} I { unequally_directed_lines( 
% 0.42/1.17    reverse_line( reverse_line( skol1 ) ), skol1 ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := skol1
% 0.42/1.17     Y := reverse_line( reverse_line( skol1 ) )
% 0.42/1.17     Z := X
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (147) {G4,W7,D5,L1,V1,M1} R(122,67) { unequally_directed_lines
% 0.42/1.17    ( skol1, parallel_through_point( reverse_line( reverse_line( skol1 ) ), X
% 0.42/1.17     ) ) }.
% 0.42/1.17  parent0: (631) {G1,W7,D5,L1,V1,M1}  { unequally_directed_lines( skol1, 
% 0.42/1.17    parallel_through_point( reverse_line( reverse_line( skol1 ) ), X ) ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (632) {G1,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y
% 0.42/1.17     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.42/1.17    left_convergent_lines( X, Y ) }.
% 0.42/1.17  parent0[0]: (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.42/1.17     }.
% 0.42/1.17  parent1[2]: (51) {G0,W14,D3,L4,V2,M2} I { ! unequally_directed_lines( X, Y
% 0.42/1.17     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.42/1.17    left_convergent_lines( X, reverse_line( Y ) ), left_convergent_lines( X, 
% 0.42/1.17    Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := reverse_line( Y )
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (634) {G1,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, Y )
% 0.42/1.17    , ! unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.42/1.17  parent0[0]: (53) {G0,W3,D2,L1,V2,M1} I { ! left_convergent_lines( X, Y )
% 0.42/1.17     }.
% 0.42/1.17  parent1[2]: (632) {G1,W10,D3,L3,V2,M3}  { ! unequally_directed_lines( X, Y
% 0.42/1.17     ), ! unequally_directed_lines( X, reverse_line( Y ) ), 
% 0.42/1.17    left_convergent_lines( X, Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (428) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), ! 
% 0.42/1.17    unequally_directed_lines( X, Y ) }.
% 0.42/1.17  parent0: (634) {G1,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, Y ), !
% 0.42/1.17     unequally_directed_lines( X, reverse_line( Y ) ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 1
% 0.42/1.17     1 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (635) {G2,W4,D3,L1,V0,M1}  { ! unequally_directed_lines( skol1
% 0.42/1.17    , reverse_line( skol1 ) ) }.
% 0.42/1.17  parent0[0]: (428) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), ! 
% 0.42/1.17    unequally_directed_lines( X, Y ) }.
% 0.42/1.17  parent1[0]: (120) {G2,W5,D4,L1,V0,M1} R(109,67) { unequally_directed_lines
% 0.42/1.17    ( skol1, reverse_line( reverse_line( skol1 ) ) ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := skol1
% 0.42/1.17     Y := reverse_line( skol1 )
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (462) {G3,W4,D3,L1,V0,M1} R(428,120) { ! 
% 0.42/1.17    unequally_directed_lines( skol1, reverse_line( skol1 ) ) }.
% 0.42/1.17  parent0: (635) {G2,W4,D3,L1,V0,M1}  { ! unequally_directed_lines( skol1, 
% 0.42/1.17    reverse_line( skol1 ) ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (638) {G2,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( Y ) ), ! unequally_directed_lines( Y, X ) }.
% 0.42/1.17  parent0[1]: (428) {G1,W7,D3,L2,V2,M2} S(51);r(53);r(53) { ! 
% 0.42/1.17    unequally_directed_lines( X, reverse_line( Y ) ), ! 
% 0.42/1.17    unequally_directed_lines( X, Y ) }.
% 0.42/1.17  parent1[1]: (109) {G1,W6,D2,L2,V2,M2} R(44,43) { ! unequally_directed_lines
% 0.42/1.17    ( Y, X ), unequally_directed_lines( X, Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (465) {G2,W7,D3,L2,V2,M2} R(428,109) { ! 
% 0.42/1.17    unequally_directed_lines( Y, X ), ! unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( Y ) ) }.
% 0.42/1.17  parent0: (638) {G2,W7,D3,L2,V2,M2}  { ! unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( Y ) ), ! unequally_directed_lines( Y, X ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := Y
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 1
% 0.42/1.17     1 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (639) {G1,W7,D3,L2,V1,M2}  { unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( skol1 ) ), ! unequally_directed_lines( skol1, X ) }.
% 0.42/1.17  parent0[0]: (462) {G3,W4,D3,L1,V0,M1} R(428,120) { ! 
% 0.42/1.17    unequally_directed_lines( skol1, reverse_line( skol1 ) ) }.
% 0.42/1.17  parent1[0]: (44) {G0,W9,D2,L3,V3,M3} I { unequally_directed_lines( X, Z ), 
% 0.42/1.17    unequally_directed_lines( Y, Z ), ! unequally_directed_lines( X, Y ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17     X := skol1
% 0.42/1.17     Y := X
% 0.42/1.17     Z := reverse_line( skol1 )
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (642) {G2,W6,D2,L2,V1,M2}  { ! unequally_directed_lines( skol1
% 0.42/1.17    , X ), ! unequally_directed_lines( skol1, X ) }.
% 0.42/1.17  parent0[1]: (465) {G2,W7,D3,L2,V2,M2} R(428,109) { ! 
% 0.42/1.17    unequally_directed_lines( Y, X ), ! unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( Y ) ) }.
% 0.42/1.17  parent1[0]: (639) {G1,W7,D3,L2,V1,M2}  { unequally_directed_lines( X, 
% 0.42/1.17    reverse_line( skol1 ) ), ! unequally_directed_lines( skol1, X ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17     Y := skol1
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17     X := X
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  factor: (643) {G2,W3,D2,L1,V1,M1}  { ! unequally_directed_lines( skol1, X )
% 0.42/1.17     }.
% 0.42/1.17  parent0[0, 1]: (642) {G2,W6,D2,L2,V1,M2}  { ! unequally_directed_lines( 
% 0.42/1.17    skol1, X ), ! unequally_directed_lines( skol1, X ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (479) {G4,W3,D2,L1,V1,M1} R(462,44);r(465) { ! 
% 0.42/1.17    unequally_directed_lines( skol1, X ) }.
% 0.42/1.17  parent0: (643) {G2,W3,D2,L1,V1,M1}  { ! unequally_directed_lines( skol1, X
% 0.42/1.17     ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := X
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17     0 ==> 0
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  resolution: (644) {G5,W0,D0,L0,V0,M0}  {  }.
% 0.42/1.17  parent0[0]: (479) {G4,W3,D2,L1,V1,M1} R(462,44);r(465) { ! 
% 0.42/1.17    unequally_directed_lines( skol1, X ) }.
% 0.42/1.17  parent1[0]: (147) {G4,W7,D5,L1,V1,M1} R(122,67) { unequally_directed_lines
% 0.42/1.17    ( skol1, parallel_through_point( reverse_line( reverse_line( skol1 ) ), X
% 0.42/1.17     ) ) }.
% 0.42/1.17  substitution0:
% 0.42/1.17     X := parallel_through_point( reverse_line( reverse_line( skol1 ) ), X )
% 0.42/1.17  end
% 0.42/1.17  substitution1:
% 0.42/1.17     X := X
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  subsumption: (486) {G5,W0,D0,L0,V0,M0} R(479,147) {  }.
% 0.42/1.17  parent0: (644) {G5,W0,D0,L0,V0,M0}  {  }.
% 0.42/1.17  substitution0:
% 0.42/1.17  end
% 0.42/1.17  permutation0:
% 0.42/1.17  end
% 0.42/1.17  
% 0.42/1.17  Proof check complete!
% 0.42/1.17  
% 0.42/1.17  Memory use:
% 0.42/1.17  
% 0.42/1.17  space for terms:        6852
% 0.42/1.17  space for clauses:      24830
% 0.42/1.17  
% 0.42/1.17  
% 0.42/1.17  clauses generated:      1316
% 0.42/1.17  clauses kept:           487
% 0.42/1.17  clauses selected:       129
% 0.42/1.17  clauses deleted:        23
% 0.42/1.17  clauses inuse deleted:  0
% 0.42/1.17  
% 0.42/1.17  subsentry:          6491
% 0.42/1.17  literals s-matched: 3515
% 0.42/1.17  literals matched:   3465
% 0.42/1.17  full subsumption:   812
% 0.42/1.17  
% 0.42/1.17  checksum:           1650666541
% 0.42/1.17  
% 0.42/1.17  
% 0.42/1.17  Bliksem ended
%------------------------------------------------------------------------------