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LEO-II---2.3.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : GEO228+1 : TPTP v9.3.1. Bugfixed v6.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n010.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Oct  7 10:18:33 AM UTC 2026

% Result   : Theorem 1.14s 0.40s
% Output   : CNFRefutation 1.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :   14
% Syntax   : Number of formulae    :  295 ( 168 unt;   0 typ;   0 def)
%            Number of atoms       : 1917 ( 497 equ;   0 cnn)
%            Maximal formula atoms :    6 (   6 avg)
%            Number of connectives : 3448 ( 647   ~; 565   |;  24   &;2173   @)
%                                         (   9 <=>;  30  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   21 (  18 usr;   4 con; 0-4 aty)
%            Number of variables   :  595 (   0   ^; 595   !;   0   ?; 595   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_apart_point_and_line,type,
    apart_point_and_line: $i > $i > $o ).

thf(tp_before_on_line,type,
    before_on_line: $i > $i > $i > $o ).

thf(tp_between_on_line,type,
    between_on_line: $i > $i > $i > $i > $o ).

thf(tp_convergent_lines,type,
    convergent_lines: $i > $i > $o ).

thf(tp_distinct_lines,type,
    distinct_lines: $i > $i > $o ).

thf(tp_distinct_points,type,
    distinct_points: $i > $i > $o ).

thf(tp_divides_points,type,
    divides_points: $i > $i > $i > $o ).

thf(tp_intersection_point,type,
    intersection_point: $i > $i > $i ).

thf(tp_left_apart_point,type,
    left_apart_point: $i > $i > $o ).

thf(tp_left_convergent_lines,type,
    left_convergent_lines: $i > $i > $o ).

thf(tp_line,type,
    line: $i > $o ).

thf(tp_line_connecting,type,
    line_connecting: $i > $i > $i ).

thf(tp_parallel_through_point,type,
    parallel_through_point: $i > $i > $i ).

thf(tp_point,type,
    point: $i > $o ).

thf(tp_reverse_line,type,
    reverse_line: $i > $i ).

thf(tp_sK1_L,type,
    sK1_L: $i ).

thf(tp_sK2_SY28,type,
    sK2_SY28: $i ).

thf(tp_unequally_directed_lines,type,
    unequally_directed_lines: $i > $i > $o ).

thf(1,axiom,
    ! [L: $i,M: $i,N: $i] :
      ( ( left_convergent_lines @ L @ M )
     => ( ( unequally_directed_lines @ M @ N )
        | ( left_convergent_lines @ L @ N ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oagsub3) ).

thf(6,axiom,
    ! [A: $i,L: $i] :
      ~ ( unequally_directed_lines @ ( parallel_through_point @ L @ A ) @ L ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oagco10) ).

thf(7,axiom,
    ! [A: $i,B: $i] :
      ~ ( unequally_directed_lines @ ( line_connecting @ A @ B ) @ ( reverse_line @ ( line_connecting @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oagco9) ).

thf(8,axiom,
    ! [L: $i] :
      ~ ( distinct_lines @ L @ ( reverse_line @ L ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oagco8) ).

thf(12,axiom,
    ! [L: $i] :
      ( ( line @ L )
     => ( line @ ( reverse_line @ L ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oagco4) ).

thf(16,axiom,
    ! [L: $i,M: $i] :
      ~ ( ( left_convergent_lines @ L @ M )
        | ( left_convergent_lines @ L @ ( reverse_line @ M ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oag11) ).

thf(17,axiom,
    ! [A: $i,L: $i] :
      ~ ( ( left_apart_point @ A @ L )
        | ( left_apart_point @ A @ ( reverse_line @ L ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oag10) ).

thf(18,axiom,
    ! [L: $i,M: $i] :
      ( ( ( unequally_directed_lines @ L @ M )
        & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) )
     => ( ( left_convergent_lines @ L @ M )
        | ( left_convergent_lines @ L @ ( reverse_line @ M ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oag9) ).

thf(19,axiom,
    ! [L: $i,M: $i] :
      ( ( ( line @ L )
        & ( line @ M ) )
     => ( ( unequally_directed_lines @ L @ M )
        | ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oag8) ).

thf(20,axiom,
    ! [L: $i,M: $i,N: $i] :
      ( ( ( unequally_directed_lines @ L @ M )
        & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) )
     => ( ( ( unequally_directed_lines @ L @ N )
          & ( unequally_directed_lines @ L @ ( reverse_line @ N ) ) )
        | ( ( unequally_directed_lines @ M @ N )
          & ( unequally_directed_lines @ M @ ( reverse_line @ N ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oag7) ).

thf(21,axiom,
    ! [L: $i,M: $i,N: $i] :
      ( ( unequally_directed_lines @ L @ M )
     => ( ( unequally_directed_lines @ L @ N )
        | ( unequally_directed_lines @ M @ N ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oag6) ).

thf(22,axiom,
    ! [L: $i] :
      ~ ( unequally_directed_lines @ L @ L ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',oag5) ).

thf(30,axiom,
    ! [L: $i,M: $i] :
      ( ( convergent_lines @ L @ M )
    <=> ( ( unequally_directed_lines @ L @ M )
        & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',con_def) ).

thf(32,conjecture,
    ! [L: $i,M: $i] :
      ( ~ ( convergent_lines @ L @ M )
    <=> ( ~ ( unequally_directed_lines @ L @ M )
        | ~ ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',con) ).

thf(33,negated_conjecture,
    ( ( ! [L: $i,M: $i] :
          ( ~ ( convergent_lines @ L @ M )
        <=> ( ~ ( unequally_directed_lines @ L @ M )
            | ~ ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[32]) ).

thf(34,plain,
    ( ( ! [L: $i,M: $i] :
          ( ~ ( convergent_lines @ L @ M )
        <=> ( ~ ( unequally_directed_lines @ L @ M )
            | ~ ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(35,plain,
    ( ( ! [L: $i,M: $i,N: $i] :
          ( ( left_convergent_lines @ L @ M )
         => ( ( unequally_directed_lines @ M @ N )
            | ( left_convergent_lines @ L @ N ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(36,plain,
    ( ( ! [A: $i,L: $i] :
          ~ ( unequally_directed_lines @ ( parallel_through_point @ L @ A ) @ L ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(37,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( unequally_directed_lines @ ( line_connecting @ A @ B ) @ ( reverse_line @ ( line_connecting @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(38,plain,
    ( ( ! [L: $i] :
          ~ ( distinct_lines @ L @ ( reverse_line @ L ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(39,plain,
    ( ( ! [L: $i] :
          ( ( line @ L )
         => ( line @ ( reverse_line @ L ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(40,plain,
    ( ( ! [L: $i,M: $i] :
          ~ ( ( left_convergent_lines @ L @ M )
            | ( left_convergent_lines @ L @ ( reverse_line @ M ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(41,plain,
    ( ( ! [A: $i,L: $i] :
          ~ ( ( left_apart_point @ A @ L )
            | ( left_apart_point @ A @ ( reverse_line @ L ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(42,plain,
    ( ( ! [L: $i,M: $i] :
          ( ( ( unequally_directed_lines @ L @ M )
            & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) )
         => ( ( left_convergent_lines @ L @ M )
            | ( left_convergent_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(43,plain,
    ( ( ! [L: $i,M: $i] :
          ( ( ( line @ L )
            & ( line @ M ) )
         => ( ( unequally_directed_lines @ L @ M )
            | ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(44,plain,
    ( ( ! [L: $i,M: $i,N: $i] :
          ( ( ( unequally_directed_lines @ L @ M )
            & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) )
         => ( ( ( unequally_directed_lines @ L @ N )
              & ( unequally_directed_lines @ L @ ( reverse_line @ N ) ) )
            | ( ( unequally_directed_lines @ M @ N )
              & ( unequally_directed_lines @ M @ ( reverse_line @ N ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(45,plain,
    ( ( ! [L: $i,M: $i,N: $i] :
          ( ( unequally_directed_lines @ L @ M )
         => ( ( unequally_directed_lines @ L @ N )
            | ( unequally_directed_lines @ M @ N ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(46,plain,
    ( ( ! [L: $i] :
          ~ ( unequally_directed_lines @ L @ L ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(47,plain,
    ( ( ! [L: $i,M: $i] :
          ( ( convergent_lines @ L @ M )
        <=> ( ( unequally_directed_lines @ L @ M )
            & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(48,plain,
    ( ( ! [SY28: $i] :
          ( ~ ( convergent_lines @ sK1_L @ SY28 )
        <=> ( ~ ( unequally_directed_lines @ sK1_L @ SY28 )
            | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ SY28 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[34]) ).

thf(49,plain,
    ( ( ~ ( convergent_lines @ sK1_L @ sK2_SY28 )
    <=> ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
        | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[48]) ).

thf(50,plain,
    ( ( ~ ( convergent_lines @ sK1_L @ sK2_SY28 )
     => ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
        | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[49]) ).

thf(51,plain,
    ( ( ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
        | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
     => ~ ( convergent_lines @ sK1_L @ sK2_SY28 ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[49]) ).

thf(52,plain,
    ( ( ~ ( ~ ( convergent_lines @ sK1_L @ sK2_SY28 )
         => ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
            | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[50]) ).

thf(53,plain,
    ( ( ~ ( ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
            | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
         => ~ ( convergent_lines @ sK1_L @ sK2_SY28 ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[51]) ).

thf(54,plain,
    ( ( ! [L: $i,M: $i] :
          ( ( convergent_lines @ L @ M )
        <=> ( ( unequally_directed_lines @ L @ M )
            & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[47]) ).

thf(55,plain,
    ( ( ! [L: $i] :
          ~ ( unequally_directed_lines @ L @ L ) )
    = $true ),
    inference(copy,[status(thm)],[46]) ).

thf(56,plain,
    ( ( ! [L: $i,M: $i,N: $i] :
          ( ( unequally_directed_lines @ L @ M )
         => ( ( unequally_directed_lines @ L @ N )
            | ( unequally_directed_lines @ M @ N ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[45]) ).

thf(57,plain,
    ( ( ! [L: $i,M: $i,N: $i] :
          ( ( ( unequally_directed_lines @ L @ M )
            & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) )
         => ( ( ( unequally_directed_lines @ L @ N )
              & ( unequally_directed_lines @ L @ ( reverse_line @ N ) ) )
            | ( ( unequally_directed_lines @ M @ N )
              & ( unequally_directed_lines @ M @ ( reverse_line @ N ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[44]) ).

thf(58,plain,
    ( ( ! [L: $i,M: $i] :
          ( ( ( line @ L )
            & ( line @ M ) )
         => ( ( unequally_directed_lines @ L @ M )
            | ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[43]) ).

thf(59,plain,
    ( ( ! [L: $i,M: $i] :
          ( ( ( unequally_directed_lines @ L @ M )
            & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) )
         => ( ( left_convergent_lines @ L @ M )
            | ( left_convergent_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[42]) ).

thf(60,plain,
    ( ( ! [A: $i,L: $i] :
          ~ ( ( left_apart_point @ A @ L )
            | ( left_apart_point @ A @ ( reverse_line @ L ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[41]) ).

thf(61,plain,
    ( ( ! [L: $i,M: $i] :
          ~ ( ( left_convergent_lines @ L @ M )
            | ( left_convergent_lines @ L @ ( reverse_line @ M ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[40]) ).

thf(62,plain,
    ( ( ! [L: $i] :
          ( ( line @ L )
         => ( line @ ( reverse_line @ L ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[39]) ).

thf(63,plain,
    ( ( ! [L: $i] :
          ~ ( distinct_lines @ L @ ( reverse_line @ L ) ) )
    = $true ),
    inference(copy,[status(thm)],[38]) ).

thf(64,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( unequally_directed_lines @ ( line_connecting @ A @ B ) @ ( reverse_line @ ( line_connecting @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[37]) ).

thf(65,plain,
    ( ( ! [A: $i,L: $i] :
          ~ ( unequally_directed_lines @ ( parallel_through_point @ L @ A ) @ L ) )
    = $true ),
    inference(copy,[status(thm)],[36]) ).

thf(66,plain,
    ( ( ! [L: $i,M: $i,N: $i] :
          ( ( left_convergent_lines @ L @ M )
         => ( ( unequally_directed_lines @ M @ N )
            | ( left_convergent_lines @ L @ N ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[35]) ).

thf(67,plain,
    ( ( ~ ( ~ ( convergent_lines @ sK1_L @ sK2_SY28 )
         => ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
            | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[52]) ).

thf(68,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( left_convergent_lines @ SX0 @ SX1 )
          | ( unequally_directed_lines @ SX1 @ SX2 )
          | ( left_convergent_lines @ SX0 @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[66]) ).

thf(69,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ( line @ SX0 )
                | ~ ( line @ SX1 ) )
          | ( unequally_directed_lines @ SX0 @ SX1 )
          | ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[58]) ).

thf(70,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
                | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) )
          | ( left_convergent_lines @ SX0 @ SX1 )
          | ( left_convergent_lines @ SX0 @ ( reverse_line @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[59]) ).

thf(71,plain,
    ( ( ~ ( ~ ~ ( convergent_lines @ sK1_L @ sK2_SY28 )
          | ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
          | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[67]) ).

thf(72,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
                | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SX0 @ SX2 )
              | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX2 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SX1 @ SX2 )
              | ~ ( unequally_directed_lines @ SX1 @ ( reverse_line @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[57]) ).

thf(73,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( convergent_lines @ SX0 @ SX1 )
                | ~ ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
                    | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) ) )
            | ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
                      | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) )
                | ( convergent_lines @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[54]) ).

thf(74,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
          | ( unequally_directed_lines @ SX0 @ SX2 )
          | ( unequally_directed_lines @ SX1 @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[56]) ).

thf(75,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( line @ SX0 )
          | ( line @ ( reverse_line @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[62]) ).

thf(76,plain,
    ! [SV1: $i] :
      ( ( ~ ( unequally_directed_lines @ SV1 @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[55]) ).

thf(77,plain,
    ! [SV2: $i] :
      ( ( ! [SY29: $i] :
            ~ ( ( left_apart_point @ SV2 @ SY29 )
              | ( left_apart_point @ SV2 @ ( reverse_line @ SY29 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[60]) ).

thf(78,plain,
    ! [SV3: $i] :
      ( ( ! [SY30: $i] :
            ~ ( ( left_convergent_lines @ SV3 @ SY30 )
              | ( left_convergent_lines @ SV3 @ ( reverse_line @ SY30 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[61]) ).

thf(79,plain,
    ! [SV4: $i] :
      ( ( ~ ( distinct_lines @ SV4 @ ( reverse_line @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[63]) ).

thf(80,plain,
    ! [SV5: $i] :
      ( ( ! [SY31: $i] :
            ~ ( unequally_directed_lines @ ( line_connecting @ SV5 @ SY31 ) @ ( reverse_line @ ( line_connecting @ SY31 @ SV5 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[64]) ).

thf(81,plain,
    ! [SV6: $i] :
      ( ( ! [SY32: $i] :
            ~ ( unequally_directed_lines @ ( parallel_through_point @ SY32 @ SV6 ) @ SY32 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[65]) ).

thf(82,plain,
    ! [SV7: $i] :
      ( ( ! [SY33: $i,SY34: $i] :
            ( ~ ( left_convergent_lines @ SV7 @ SY33 )
            | ( unequally_directed_lines @ SY33 @ SY34 )
            | ( left_convergent_lines @ SV7 @ SY34 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[68]) ).

thf(83,plain,
    ! [SV8: $i] :
      ( ( ! [SY35: $i] :
            ( ~ ~ ( ~ ( line @ SV8 )
                  | ~ ( line @ SY35 ) )
            | ( unequally_directed_lines @ SV8 @ SY35 )
            | ( unequally_directed_lines @ SV8 @ ( reverse_line @ SY35 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[69]) ).

thf(84,plain,
    ! [SV9: $i] :
      ( ( ! [SY36: $i] :
            ( ~ ~ ( ~ ( unequally_directed_lines @ SV9 @ SY36 )
                  | ~ ( unequally_directed_lines @ SV9 @ ( reverse_line @ SY36 ) ) )
            | ( left_convergent_lines @ SV9 @ SY36 )
            | ( left_convergent_lines @ SV9 @ ( reverse_line @ SY36 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[70]) ).

thf(85,plain,
    ( ( ~ ~ ( convergent_lines @ sK1_L @ sK2_SY28 )
      | ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
      | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[71]) ).

thf(86,plain,
    ! [SV10: $i] :
      ( ( ! [SY37: $i,SY38: $i] :
            ( ~ ~ ( ~ ( unequally_directed_lines @ SV10 @ SY37 )
                  | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SY37 ) ) )
            | ~ ( ~ ( unequally_directed_lines @ SV10 @ SY38 )
                | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SY38 ) ) )
            | ~ ( ~ ( unequally_directed_lines @ SY37 @ SY38 )
                | ~ ( unequally_directed_lines @ SY37 @ ( reverse_line @ SY38 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[72]) ).

thf(87,plain,
    ! [SV11: $i] :
      ( ( ! [SY39: $i] :
            ~ ( ~ ( ~ ( convergent_lines @ SV11 @ SY39 )
                  | ~ ( ~ ( unequally_directed_lines @ SV11 @ SY39 )
                      | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SY39 ) ) ) )
              | ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SV11 @ SY39 )
                        | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SY39 ) ) )
                  | ( convergent_lines @ SV11 @ SY39 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[73]) ).

thf(88,plain,
    ! [SV12: $i] :
      ( ( ! [SY40: $i,SY41: $i] :
            ( ~ ( unequally_directed_lines @ SV12 @ SY40 )
            | ( unequally_directed_lines @ SV12 @ SY41 )
            | ( unequally_directed_lines @ SY40 @ SY41 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[74]) ).

thf(89,plain,
    ! [SV13: $i] :
      ( ( ~ ( line @ SV13 )
        | ( line @ ( reverse_line @ SV13 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[75]) ).

thf(90,plain,
    ! [SV1: $i] :
      ( ( unequally_directed_lines @ SV1 @ SV1 )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[76]) ).

thf(91,plain,
    ! [SV14: $i,SV2: $i] :
      ( ( ~ ( ( left_apart_point @ SV2 @ SV14 )
            | ( left_apart_point @ SV2 @ ( reverse_line @ SV14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[77]) ).

thf(92,plain,
    ! [SV15: $i,SV3: $i] :
      ( ( ~ ( ( left_convergent_lines @ SV3 @ SV15 )
            | ( left_convergent_lines @ SV3 @ ( reverse_line @ SV15 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[78]) ).

thf(93,plain,
    ! [SV4: $i] :
      ( ( distinct_lines @ SV4 @ ( reverse_line @ SV4 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[79]) ).

thf(94,plain,
    ! [SV16: $i,SV5: $i] :
      ( ( ~ ( unequally_directed_lines @ ( line_connecting @ SV5 @ SV16 ) @ ( reverse_line @ ( line_connecting @ SV16 @ SV5 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[80]) ).

thf(95,plain,
    ! [SV6: $i,SV17: $i] :
      ( ( ~ ( unequally_directed_lines @ ( parallel_through_point @ SV17 @ SV6 ) @ SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[81]) ).

thf(96,plain,
    ! [SV18: $i,SV7: $i] :
      ( ( ! [SY42: $i] :
            ( ~ ( left_convergent_lines @ SV7 @ SV18 )
            | ( unequally_directed_lines @ SV18 @ SY42 )
            | ( left_convergent_lines @ SV7 @ SY42 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[82]) ).

thf(97,plain,
    ! [SV19: $i,SV8: $i] :
      ( ( ~ ~ ( ~ ( line @ SV8 )
              | ~ ( line @ SV19 ) )
        | ( unequally_directed_lines @ SV8 @ SV19 )
        | ( unequally_directed_lines @ SV8 @ ( reverse_line @ SV19 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[83]) ).

thf(98,plain,
    ! [SV20: $i,SV9: $i] :
      ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV9 @ SV20 )
              | ~ ( unequally_directed_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        | ( left_convergent_lines @ SV9 @ SV20 )
        | ( left_convergent_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[84]) ).

thf(99,plain,
    ( ( ~ ~ ( convergent_lines @ sK1_L @ sK2_SY28 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[85]) ).

thf(100,plain,
    ( ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
      | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[85]) ).

thf(101,plain,
    ! [SV21: $i,SV10: $i] :
      ( ( ! [SY43: $i] :
            ( ~ ~ ( ~ ( unequally_directed_lines @ SV10 @ SV21 )
                  | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) ) )
            | ~ ( ~ ( unequally_directed_lines @ SV10 @ SY43 )
                | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SY43 ) ) )
            | ~ ( ~ ( unequally_directed_lines @ SV21 @ SY43 )
                | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SY43 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[86]) ).

thf(102,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ~ ( ~ ( ~ ( convergent_lines @ SV11 @ SV22 )
                | ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
                    | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) ) )
            | ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
                      | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) )
                | ( convergent_lines @ SV11 @ SV22 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[87]) ).

thf(103,plain,
    ! [SV23: $i,SV12: $i] :
      ( ( ! [SY44: $i] :
            ( ~ ( unequally_directed_lines @ SV12 @ SV23 )
            | ( unequally_directed_lines @ SV12 @ SY44 )
            | ( unequally_directed_lines @ SV23 @ SY44 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[88]) ).

thf(104,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( line @ SV13 ) )
        = $true )
      | ( ( line @ ( reverse_line @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[89]) ).

thf(105,plain,
    ! [SV14: $i,SV2: $i] :
      ( ( ( left_apart_point @ SV2 @ SV14 )
        | ( left_apart_point @ SV2 @ ( reverse_line @ SV14 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[91]) ).

thf(106,plain,
    ! [SV15: $i,SV3: $i] :
      ( ( ( left_convergent_lines @ SV3 @ SV15 )
        | ( left_convergent_lines @ SV3 @ ( reverse_line @ SV15 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[92]) ).

thf(107,plain,
    ! [SV16: $i,SV5: $i] :
      ( ( unequally_directed_lines @ ( line_connecting @ SV5 @ SV16 ) @ ( reverse_line @ ( line_connecting @ SV16 @ SV5 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[94]) ).

thf(108,plain,
    ! [SV6: $i,SV17: $i] :
      ( ( unequally_directed_lines @ ( parallel_through_point @ SV17 @ SV6 ) @ SV17 )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[95]) ).

thf(109,plain,
    ! [SV24: $i,SV18: $i,SV7: $i] :
      ( ( ~ ( left_convergent_lines @ SV7 @ SV18 )
        | ( unequally_directed_lines @ SV18 @ SV24 )
        | ( left_convergent_lines @ SV7 @ SV24 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[96]) ).

thf(110,plain,
    ! [SV19: $i,SV8: $i] :
      ( ( ( ~ ~ ( ~ ( line @ SV8 )
                | ~ ( line @ SV19 ) ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV8 @ SV19 )
          | ( unequally_directed_lines @ SV8 @ ( reverse_line @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[97]) ).

thf(111,plain,
    ! [SV20: $i,SV9: $i] :
      ( ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV9 @ SV20 )
                | ~ ( unequally_directed_lines @ SV9 @ ( reverse_line @ SV20 ) ) ) )
        = $true )
      | ( ( ( left_convergent_lines @ SV9 @ SV20 )
          | ( left_convergent_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[98]) ).

thf(112,plain,
    ( ( ~ ( convergent_lines @ sK1_L @ sK2_SY28 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[99]) ).

thf(113,plain,
    ( ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(114,plain,
    ( ( ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(115,plain,
    ! [SV25: $i,SV21: $i,SV10: $i] :
      ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV10 @ SV21 )
              | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) ) )
        | ~ ( ~ ( unequally_directed_lines @ SV10 @ SV25 )
            | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) )
        | ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
            | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[101]) ).

thf(116,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ~ ( ~ ( convergent_lines @ SV11 @ SV22 )
            | ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
                | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) ) )
        | ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
                  | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) )
            | ( convergent_lines @ SV11 @ SV22 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[102]) ).

thf(117,plain,
    ! [SV26: $i,SV23: $i,SV12: $i] :
      ( ( ~ ( unequally_directed_lines @ SV12 @ SV23 )
        | ( unequally_directed_lines @ SV12 @ SV26 )
        | ( unequally_directed_lines @ SV23 @ SV26 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[103]) ).

thf(118,plain,
    ! [SV13: $i] :
      ( ( ( line @ SV13 )
        = $false )
      | ( ( line @ ( reverse_line @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[104]) ).

thf(119,plain,
    ! [SV14: $i,SV2: $i] :
      ( ( left_apart_point @ SV2 @ SV14 )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[105]) ).

thf(120,plain,
    ! [SV14: $i,SV2: $i] :
      ( ( left_apart_point @ SV2 @ ( reverse_line @ SV14 ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[105]) ).

thf(121,plain,
    ! [SV15: $i,SV3: $i] :
      ( ( left_convergent_lines @ SV3 @ SV15 )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[106]) ).

thf(122,plain,
    ! [SV15: $i,SV3: $i] :
      ( ( left_convergent_lines @ SV3 @ ( reverse_line @ SV15 ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[106]) ).

thf(123,plain,
    ! [SV24: $i,SV18: $i,SV7: $i] :
      ( ( ( ~ ( left_convergent_lines @ SV7 @ SV18 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV18 @ SV24 )
          | ( left_convergent_lines @ SV7 @ SV24 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[109]) ).

thf(124,plain,
    ! [SV19: $i,SV8: $i] :
      ( ( ( ~ ( ~ ( line @ SV8 )
              | ~ ( line @ SV19 ) ) )
        = $false )
      | ( ( ( unequally_directed_lines @ SV8 @ SV19 )
          | ( unequally_directed_lines @ SV8 @ ( reverse_line @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[110]) ).

thf(125,plain,
    ! [SV20: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( unequally_directed_lines @ SV9 @ SV20 )
              | ~ ( unequally_directed_lines @ SV9 @ ( reverse_line @ SV20 ) ) ) )
        = $false )
      | ( ( ( left_convergent_lines @ SV9 @ SV20 )
          | ( left_convergent_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[111]) ).

thf(126,plain,
    ( ( convergent_lines @ sK1_L @ sK2_SY28 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[112]) ).

thf(127,plain,
    ( ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[113]) ).

thf(128,plain,
    ( ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[114]) ).

thf(129,plain,
    ! [SV25: $i,SV21: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV10 @ SV21 )
                | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV10 @ SV25 )
              | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[115]) ).

thf(130,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ~ ( ~ ( convergent_lines @ SV11 @ SV22 )
            | ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
                | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[116]) ).

thf(131,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
                  | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) )
            | ( convergent_lines @ SV11 @ SV22 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[116]) ).

thf(132,plain,
    ! [SV26: $i,SV23: $i,SV12: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV12 @ SV23 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV12 @ SV26 )
          | ( unequally_directed_lines @ SV23 @ SV26 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[117]) ).

thf(133,plain,
    ! [SV24: $i,SV18: $i,SV7: $i] :
      ( ( ( left_convergent_lines @ SV7 @ SV18 )
        = $false )
      | ( ( ( unequally_directed_lines @ SV18 @ SV24 )
          | ( left_convergent_lines @ SV7 @ SV24 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[123]) ).

thf(134,plain,
    ! [SV19: $i,SV8: $i] :
      ( ( ( ~ ( line @ SV8 )
          | ~ ( line @ SV19 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV8 @ SV19 )
          | ( unequally_directed_lines @ SV8 @ ( reverse_line @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[124]) ).

thf(135,plain,
    ! [SV20: $i,SV9: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV9 @ SV20 )
          | ~ ( unequally_directed_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        = $true )
      | ( ( ( left_convergent_lines @ SV9 @ SV20 )
          | ( left_convergent_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[125]) ).

thf(136,plain,
    ! [SV25: $i,SV21: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( unequally_directed_lines @ SV10 @ SV21 )
              | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV10 @ SV25 )
              | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[129]) ).

thf(137,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ~ ( convergent_lines @ SV11 @ SV22 )
        | ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
            | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[130]) ).

thf(138,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
              | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) )
        | ( convergent_lines @ SV11 @ SV22 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[131]) ).

thf(139,plain,
    ! [SV26: $i,SV23: $i,SV12: $i] :
      ( ( ( unequally_directed_lines @ SV12 @ SV23 )
        = $false )
      | ( ( ( unequally_directed_lines @ SV12 @ SV26 )
          | ( unequally_directed_lines @ SV23 @ SV26 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[132]) ).

thf(140,plain,
    ! [SV7: $i,SV24: $i,SV18: $i] :
      ( ( ( unequally_directed_lines @ SV18 @ SV24 )
        = $true )
      | ( ( left_convergent_lines @ SV7 @ SV24 )
        = $true )
      | ( ( left_convergent_lines @ SV7 @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[133]) ).

thf(141,plain,
    ! [SV19: $i,SV8: $i] :
      ( ( ( ~ ( line @ SV8 ) )
        = $true )
      | ( ( ~ ( line @ SV19 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV8 @ SV19 )
          | ( unequally_directed_lines @ SV8 @ ( reverse_line @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[134]) ).

thf(142,plain,
    ! [SV20: $i,SV9: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV9 @ SV20 ) )
        = $true )
      | ( ( ~ ( unequally_directed_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        = $true )
      | ( ( ( left_convergent_lines @ SV9 @ SV20 )
          | ( left_convergent_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[135]) ).

thf(143,plain,
    ! [SV25: $i,SV21: $i,SV10: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV10 @ SV21 )
          | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV10 @ SV25 )
              | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[136]) ).

thf(144,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( ~ ( convergent_lines @ SV11 @ SV22 ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
              | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[137]) ).

thf(145,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
                | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) ) )
        = $true )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[138]) ).

thf(146,plain,
    ! [SV23: $i,SV26: $i,SV12: $i] :
      ( ( ( unequally_directed_lines @ SV12 @ SV26 )
        = $true )
      | ( ( unequally_directed_lines @ SV23 @ SV26 )
        = $true )
      | ( ( unequally_directed_lines @ SV12 @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[139]) ).

thf(147,plain,
    ! [SV19: $i,SV8: $i] :
      ( ( ( line @ SV8 )
        = $false )
      | ( ( ~ ( line @ SV19 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV8 @ SV19 )
          | ( unequally_directed_lines @ SV8 @ ( reverse_line @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[141]) ).

thf(148,plain,
    ! [SV20: $i,SV9: $i] :
      ( ( ( unequally_directed_lines @ SV9 @ SV20 )
        = $false )
      | ( ( ~ ( unequally_directed_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        = $true )
      | ( ( ( left_convergent_lines @ SV9 @ SV20 )
          | ( left_convergent_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[142]) ).

thf(149,plain,
    ! [SV25: $i,SV21: $i,SV10: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV10 @ SV21 ) )
        = $true )
      | ( ( ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV10 @ SV25 )
              | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[143]) ).

thf(150,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( convergent_lines @ SV11 @ SV22 )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
              | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[144]) ).

thf(151,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( ~ ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
              | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) ) )
        = $false )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[145]) ).

thf(152,plain,
    ! [SV8: $i,SV19: $i] :
      ( ( ( line @ SV19 )
        = $false )
      | ( ( line @ SV8 )
        = $false )
      | ( ( ( unequally_directed_lines @ SV8 @ SV19 )
          | ( unequally_directed_lines @ SV8 @ ( reverse_line @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[147]) ).

thf(153,plain,
    ! [SV20: $i,SV9: $i] :
      ( ( ( unequally_directed_lines @ SV9 @ ( reverse_line @ SV20 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV9 @ SV20 )
        = $false )
      | ( ( ( left_convergent_lines @ SV9 @ SV20 )
          | ( left_convergent_lines @ SV9 @ ( reverse_line @ SV20 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[148]) ).

thf(154,plain,
    ! [SV25: $i,SV21: $i,SV10: $i] :
      ( ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV10 @ SV25 )
              | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[149]) ).

thf(155,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
          | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) )
        = $false )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[150]) ).

thf(156,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV11 @ SV22 )
          | ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) )
        = $true )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[151]) ).

thf(157,plain,
    ! [SV19: $i,SV8: $i] :
      ( ( ( unequally_directed_lines @ SV8 @ SV19 )
        = $true )
      | ( ( unequally_directed_lines @ SV8 @ ( reverse_line @ SV19 ) )
        = $true )
      | ( ( line @ SV8 )
        = $false )
      | ( ( line @ SV19 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[152]) ).

thf(158,plain,
    ! [SV20: $i,SV9: $i] :
      ( ( ( left_convergent_lines @ SV9 @ SV20 )
        = $true )
      | ( ( left_convergent_lines @ SV9 @ ( reverse_line @ SV20 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV9 @ SV20 )
        = $false )
      | ( ( unequally_directed_lines @ SV9 @ ( reverse_line @ SV20 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[153]) ).

thf(159,plain,
    ! [SV25: $i,SV21: $i,SV10: $i] :
      ( ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV10 @ SV25 )
              | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[154]) ).

thf(160,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV11 @ SV22 ) )
        = $false )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[155]) ).

thf(161,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) )
        = $false )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[155]) ).

thf(162,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV11 @ SV22 ) )
        = $true )
      | ( ( ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) )
        = $true )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[156]) ).

thf(163,plain,
    ! [SV21: $i,SV25: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( unequally_directed_lines @ SV10 @ SV25 )
              | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[159]) ).

thf(164,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( unequally_directed_lines @ SV11 @ SV22 )
        = $true )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[160]) ).

thf(165,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) )
        = $true )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[161]) ).

thf(166,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( unequally_directed_lines @ SV11 @ SV22 )
        = $false )
      | ( ( ~ ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) ) )
        = $true )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[162]) ).

thf(167,plain,
    ! [SV21: $i,SV25: $i,SV10: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV10 @ SV25 )
          | ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[163]) ).

thf(168,plain,
    ! [SV22: $i,SV11: $i] :
      ( ( ( unequally_directed_lines @ SV11 @ ( reverse_line @ SV22 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV11 @ SV22 )
        = $false )
      | ( ( convergent_lines @ SV11 @ SV22 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[166]) ).

thf(169,plain,
    ! [SV21: $i,SV25: $i,SV10: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV10 @ SV25 ) )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[167]) ).

thf(170,plain,
    ! [SV21: $i,SV25: $i,SV10: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) ) )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[167]) ).

thf(171,plain,
    ! [SV21: $i,SV25: $i,SV10: $i] :
      ( ( ( unequally_directed_lines @ SV10 @ SV25 )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[169]) ).

thf(172,plain,
    ! [SV21: $i,SV25: $i,SV10: $i] :
      ( ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
              | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[170]) ).

thf(173,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
          | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ SV25 )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[171]) ).

thf(174,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV21 @ SV25 )
          | ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[172]) ).

thf(175,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV21 @ SV25 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ SV25 )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[173]) ).

thf(176,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ SV25 )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[173]) ).

thf(177,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV21 @ SV25 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[174]) ).

thf(178,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) ) )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[174]) ).

thf(179,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( unequally_directed_lines @ SV21 @ SV25 )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV25 )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[175]) ).

thf(180,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV25 )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[176]) ).

thf(181,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( unequally_directed_lines @ SV21 @ SV25 )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[177]) ).

thf(182,plain,
    ! [SV10: $i,SV25: $i,SV21: $i] :
      ( ( ( unequally_directed_lines @ SV21 @ ( reverse_line @ SV25 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV25 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV10 @ SV21 )
        = $false )
      | ( ( unequally_directed_lines @ SV10 @ ( reverse_line @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[178]) ).

thf(183,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[90,182,181,180,179,168,165,164,158,157,146,140,128,127,126,122,121,120,119,118,108,107,93]) ).

thf(184,plain,
    ( ( ! [L: $i,M: $i] :
          ( ( convergent_lines @ L @ M )
        <=> ( ( unequally_directed_lines @ L @ M )
            & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[47]) ).

thf(185,plain,
    ( ( ! [L: $i] :
          ~ ( unequally_directed_lines @ L @ L ) )
    = $true ),
    inference(copy,[status(thm)],[46]) ).

thf(186,plain,
    ( ( ! [L: $i,M: $i,N: $i] :
          ( ( unequally_directed_lines @ L @ M )
         => ( ( unequally_directed_lines @ L @ N )
            | ( unequally_directed_lines @ M @ N ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[45]) ).

thf(187,plain,
    ( ( ! [L: $i,M: $i,N: $i] :
          ( ( ( unequally_directed_lines @ L @ M )
            & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) )
         => ( ( ( unequally_directed_lines @ L @ N )
              & ( unequally_directed_lines @ L @ ( reverse_line @ N ) ) )
            | ( ( unequally_directed_lines @ M @ N )
              & ( unequally_directed_lines @ M @ ( reverse_line @ N ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[44]) ).

thf(188,plain,
    ( ( ! [L: $i,M: $i] :
          ( ( ( line @ L )
            & ( line @ M ) )
         => ( ( unequally_directed_lines @ L @ M )
            | ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[43]) ).

thf(189,plain,
    ( ( ! [L: $i,M: $i] :
          ( ( ( unequally_directed_lines @ L @ M )
            & ( unequally_directed_lines @ L @ ( reverse_line @ M ) ) )
         => ( ( left_convergent_lines @ L @ M )
            | ( left_convergent_lines @ L @ ( reverse_line @ M ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[42]) ).

thf(190,plain,
    ( ( ! [A: $i,L: $i] :
          ~ ( ( left_apart_point @ A @ L )
            | ( left_apart_point @ A @ ( reverse_line @ L ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[41]) ).

thf(191,plain,
    ( ( ! [L: $i,M: $i] :
          ~ ( ( left_convergent_lines @ L @ M )
            | ( left_convergent_lines @ L @ ( reverse_line @ M ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[40]) ).

thf(192,plain,
    ( ( ! [L: $i] :
          ( ( line @ L )
         => ( line @ ( reverse_line @ L ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[39]) ).

thf(193,plain,
    ( ( ! [L: $i] :
          ~ ( distinct_lines @ L @ ( reverse_line @ L ) ) )
    = $true ),
    inference(copy,[status(thm)],[38]) ).

thf(194,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( unequally_directed_lines @ ( line_connecting @ A @ B ) @ ( reverse_line @ ( line_connecting @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[37]) ).

thf(195,plain,
    ( ( ! [A: $i,L: $i] :
          ~ ( unequally_directed_lines @ ( parallel_through_point @ L @ A ) @ L ) )
    = $true ),
    inference(copy,[status(thm)],[36]) ).

thf(196,plain,
    ( ( ! [L: $i,M: $i,N: $i] :
          ( ( left_convergent_lines @ L @ M )
         => ( ( unequally_directed_lines @ M @ N )
            | ( left_convergent_lines @ L @ N ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[35]) ).

thf(197,plain,
    ( ( ~ ( ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
            | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
         => ~ ( convergent_lines @ sK1_L @ sK2_SY28 ) ) )
    = $true ),
    inference(copy,[status(thm)],[53]) ).

thf(198,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( left_convergent_lines @ SX0 @ SX1 )
          | ( unequally_directed_lines @ SX1 @ SX2 )
          | ( left_convergent_lines @ SX0 @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[196]) ).

thf(199,plain,
    ( ( ~ ( ~ ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
              | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
          | ~ ( convergent_lines @ sK1_L @ sK2_SY28 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[197]) ).

thf(200,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( convergent_lines @ SX0 @ SX1 )
                | ~ ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
                    | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) ) )
            | ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
                      | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) )
                | ( convergent_lines @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[184]) ).

thf(201,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ~ ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
                | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SX0 @ SX2 )
              | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX2 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SX1 @ SX2 )
              | ~ ( unequally_directed_lines @ SX1 @ ( reverse_line @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[187]) ).

thf(202,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( line @ SX0 )
          | ( line @ ( reverse_line @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[192]) ).

thf(203,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
          | ( unequally_directed_lines @ SX0 @ SX2 )
          | ( unequally_directed_lines @ SX1 @ SX2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[186]) ).

thf(204,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ( unequally_directed_lines @ SX0 @ SX1 )
                | ~ ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) )
          | ( left_convergent_lines @ SX0 @ SX1 )
          | ( left_convergent_lines @ SX0 @ ( reverse_line @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[189]) ).

thf(205,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ~ ( ~ ( line @ SX0 )
                | ~ ( line @ SX1 ) )
          | ( unequally_directed_lines @ SX0 @ SX1 )
          | ( unequally_directed_lines @ SX0 @ ( reverse_line @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[188]) ).

thf(206,plain,
    ! [SV27: $i] :
      ( ( ~ ( unequally_directed_lines @ SV27 @ SV27 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[185]) ).

thf(207,plain,
    ! [SV28: $i] :
      ( ( ! [SY45: $i] :
            ~ ( ( left_apart_point @ SV28 @ SY45 )
              | ( left_apart_point @ SV28 @ ( reverse_line @ SY45 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[190]) ).

thf(208,plain,
    ! [SV29: $i] :
      ( ( ! [SY46: $i] :
            ~ ( ( left_convergent_lines @ SV29 @ SY46 )
              | ( left_convergent_lines @ SV29 @ ( reverse_line @ SY46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[191]) ).

thf(209,plain,
    ! [SV30: $i] :
      ( ( ~ ( distinct_lines @ SV30 @ ( reverse_line @ SV30 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[193]) ).

thf(210,plain,
    ! [SV31: $i] :
      ( ( ! [SY47: $i] :
            ~ ( unequally_directed_lines @ ( line_connecting @ SV31 @ SY47 ) @ ( reverse_line @ ( line_connecting @ SY47 @ SV31 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[194]) ).

thf(211,plain,
    ! [SV32: $i] :
      ( ( ! [SY48: $i] :
            ~ ( unequally_directed_lines @ ( parallel_through_point @ SY48 @ SV32 ) @ SY48 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[195]) ).

thf(212,plain,
    ! [SV33: $i] :
      ( ( ! [SY49: $i,SY50: $i] :
            ( ~ ( left_convergent_lines @ SV33 @ SY49 )
            | ( unequally_directed_lines @ SY49 @ SY50 )
            | ( left_convergent_lines @ SV33 @ SY50 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[198]) ).

thf(213,plain,
    ( ( ~ ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
          | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
      | ~ ( convergent_lines @ sK1_L @ sK2_SY28 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[199]) ).

thf(214,plain,
    ! [SV34: $i] :
      ( ( ! [SY51: $i] :
            ~ ( ~ ( ~ ( convergent_lines @ SV34 @ SY51 )
                  | ~ ( ~ ( unequally_directed_lines @ SV34 @ SY51 )
                      | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SY51 ) ) ) )
              | ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SV34 @ SY51 )
                        | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SY51 ) ) )
                  | ( convergent_lines @ SV34 @ SY51 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[200]) ).

thf(215,plain,
    ! [SV35: $i] :
      ( ( ! [SY52: $i,SY53: $i] :
            ( ~ ~ ( ~ ( unequally_directed_lines @ SV35 @ SY52 )
                  | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SY52 ) ) )
            | ~ ( ~ ( unequally_directed_lines @ SV35 @ SY53 )
                | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SY53 ) ) )
            | ~ ( ~ ( unequally_directed_lines @ SY52 @ SY53 )
                | ~ ( unequally_directed_lines @ SY52 @ ( reverse_line @ SY53 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[201]) ).

thf(216,plain,
    ! [SV36: $i] :
      ( ( ~ ( line @ SV36 )
        | ( line @ ( reverse_line @ SV36 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[202]) ).

thf(217,plain,
    ! [SV37: $i] :
      ( ( ! [SY54: $i,SY55: $i] :
            ( ~ ( unequally_directed_lines @ SV37 @ SY54 )
            | ( unequally_directed_lines @ SV37 @ SY55 )
            | ( unequally_directed_lines @ SY54 @ SY55 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[203]) ).

thf(218,plain,
    ! [SV38: $i] :
      ( ( ! [SY56: $i] :
            ( ~ ~ ( ~ ( unequally_directed_lines @ SV38 @ SY56 )
                  | ~ ( unequally_directed_lines @ SV38 @ ( reverse_line @ SY56 ) ) )
            | ( left_convergent_lines @ SV38 @ SY56 )
            | ( left_convergent_lines @ SV38 @ ( reverse_line @ SY56 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[204]) ).

thf(219,plain,
    ! [SV39: $i] :
      ( ( ! [SY57: $i] :
            ( ~ ~ ( ~ ( line @ SV39 )
                  | ~ ( line @ SY57 ) )
            | ( unequally_directed_lines @ SV39 @ SY57 )
            | ( unequally_directed_lines @ SV39 @ ( reverse_line @ SY57 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[205]) ).

thf(220,plain,
    ! [SV27: $i] :
      ( ( unequally_directed_lines @ SV27 @ SV27 )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[206]) ).

thf(221,plain,
    ! [SV40: $i,SV28: $i] :
      ( ( ~ ( ( left_apart_point @ SV28 @ SV40 )
            | ( left_apart_point @ SV28 @ ( reverse_line @ SV40 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[207]) ).

thf(222,plain,
    ! [SV41: $i,SV29: $i] :
      ( ( ~ ( ( left_convergent_lines @ SV29 @ SV41 )
            | ( left_convergent_lines @ SV29 @ ( reverse_line @ SV41 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[208]) ).

thf(223,plain,
    ! [SV30: $i] :
      ( ( distinct_lines @ SV30 @ ( reverse_line @ SV30 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[209]) ).

thf(224,plain,
    ! [SV42: $i,SV31: $i] :
      ( ( ~ ( unequally_directed_lines @ ( line_connecting @ SV31 @ SV42 ) @ ( reverse_line @ ( line_connecting @ SV42 @ SV31 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[210]) ).

thf(225,plain,
    ! [SV32: $i,SV43: $i] :
      ( ( ~ ( unequally_directed_lines @ ( parallel_through_point @ SV43 @ SV32 ) @ SV43 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[211]) ).

thf(226,plain,
    ! [SV44: $i,SV33: $i] :
      ( ( ! [SY58: $i] :
            ( ~ ( left_convergent_lines @ SV33 @ SV44 )
            | ( unequally_directed_lines @ SV44 @ SY58 )
            | ( left_convergent_lines @ SV33 @ SY58 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[212]) ).

thf(227,plain,
    ( ( ~ ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
          | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[213]) ).

thf(228,plain,
    ( ( ~ ( convergent_lines @ sK1_L @ sK2_SY28 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[213]) ).

thf(229,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ~ ( ~ ( ~ ( convergent_lines @ SV34 @ SV45 )
                | ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
                    | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) ) )
            | ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
                      | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) )
                | ( convergent_lines @ SV34 @ SV45 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[214]) ).

thf(230,plain,
    ! [SV46: $i,SV35: $i] :
      ( ( ! [SY59: $i] :
            ( ~ ~ ( ~ ( unequally_directed_lines @ SV35 @ SV46 )
                  | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) ) )
            | ~ ( ~ ( unequally_directed_lines @ SV35 @ SY59 )
                | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SY59 ) ) )
            | ~ ( ~ ( unequally_directed_lines @ SV46 @ SY59 )
                | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SY59 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[215]) ).

thf(231,plain,
    ! [SV36: $i] :
      ( ( ( ~ ( line @ SV36 ) )
        = $true )
      | ( ( line @ ( reverse_line @ SV36 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[216]) ).

thf(232,plain,
    ! [SV47: $i,SV37: $i] :
      ( ( ! [SY60: $i] :
            ( ~ ( unequally_directed_lines @ SV37 @ SV47 )
            | ( unequally_directed_lines @ SV37 @ SY60 )
            | ( unequally_directed_lines @ SV47 @ SY60 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[217]) ).

thf(233,plain,
    ! [SV48: $i,SV38: $i] :
      ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV38 @ SV48 )
              | ~ ( unequally_directed_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        | ( left_convergent_lines @ SV38 @ SV48 )
        | ( left_convergent_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[218]) ).

thf(234,plain,
    ! [SV49: $i,SV39: $i] :
      ( ( ~ ~ ( ~ ( line @ SV39 )
              | ~ ( line @ SV49 ) )
        | ( unequally_directed_lines @ SV39 @ SV49 )
        | ( unequally_directed_lines @ SV39 @ ( reverse_line @ SV49 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[219]) ).

thf(235,plain,
    ! [SV40: $i,SV28: $i] :
      ( ( ( left_apart_point @ SV28 @ SV40 )
        | ( left_apart_point @ SV28 @ ( reverse_line @ SV40 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[221]) ).

thf(236,plain,
    ! [SV41: $i,SV29: $i] :
      ( ( ( left_convergent_lines @ SV29 @ SV41 )
        | ( left_convergent_lines @ SV29 @ ( reverse_line @ SV41 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[222]) ).

thf(237,plain,
    ! [SV42: $i,SV31: $i] :
      ( ( unequally_directed_lines @ ( line_connecting @ SV31 @ SV42 ) @ ( reverse_line @ ( line_connecting @ SV42 @ SV31 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[224]) ).

thf(238,plain,
    ! [SV32: $i,SV43: $i] :
      ( ( unequally_directed_lines @ ( parallel_through_point @ SV43 @ SV32 ) @ SV43 )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[225]) ).

thf(239,plain,
    ! [SV50: $i,SV44: $i,SV33: $i] :
      ( ( ~ ( left_convergent_lines @ SV33 @ SV44 )
        | ( unequally_directed_lines @ SV44 @ SV50 )
        | ( left_convergent_lines @ SV33 @ SV50 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[226]) ).

thf(240,plain,
    ( ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
      | ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[227]) ).

thf(241,plain,
    ( ( convergent_lines @ sK1_L @ sK2_SY28 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[228]) ).

thf(242,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ~ ( ~ ( convergent_lines @ SV34 @ SV45 )
            | ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
                | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) ) )
        | ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
                  | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) )
            | ( convergent_lines @ SV34 @ SV45 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[229]) ).

thf(243,plain,
    ! [SV51: $i,SV46: $i,SV35: $i] :
      ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV35 @ SV46 )
              | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) ) )
        | ~ ( ~ ( unequally_directed_lines @ SV35 @ SV51 )
            | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) )
        | ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
            | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[230]) ).

thf(244,plain,
    ! [SV36: $i] :
      ( ( ( line @ SV36 )
        = $false )
      | ( ( line @ ( reverse_line @ SV36 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[231]) ).

thf(245,plain,
    ! [SV52: $i,SV47: $i,SV37: $i] :
      ( ( ~ ( unequally_directed_lines @ SV37 @ SV47 )
        | ( unequally_directed_lines @ SV37 @ SV52 )
        | ( unequally_directed_lines @ SV47 @ SV52 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[232]) ).

thf(246,plain,
    ! [SV48: $i,SV38: $i] :
      ( ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV38 @ SV48 )
                | ~ ( unequally_directed_lines @ SV38 @ ( reverse_line @ SV48 ) ) ) )
        = $true )
      | ( ( ( left_convergent_lines @ SV38 @ SV48 )
          | ( left_convergent_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[233]) ).

thf(247,plain,
    ! [SV49: $i,SV39: $i] :
      ( ( ( ~ ~ ( ~ ( line @ SV39 )
                | ~ ( line @ SV49 ) ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV39 @ SV49 )
          | ( unequally_directed_lines @ SV39 @ ( reverse_line @ SV49 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[234]) ).

thf(248,plain,
    ! [SV40: $i,SV28: $i] :
      ( ( left_apart_point @ SV28 @ SV40 )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[235]) ).

thf(249,plain,
    ! [SV40: $i,SV28: $i] :
      ( ( left_apart_point @ SV28 @ ( reverse_line @ SV40 ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[235]) ).

thf(250,plain,
    ! [SV41: $i,SV29: $i] :
      ( ( left_convergent_lines @ SV29 @ SV41 )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[236]) ).

thf(251,plain,
    ! [SV41: $i,SV29: $i] :
      ( ( left_convergent_lines @ SV29 @ ( reverse_line @ SV41 ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[236]) ).

thf(252,plain,
    ! [SV50: $i,SV44: $i,SV33: $i] :
      ( ( ( ~ ( left_convergent_lines @ SV33 @ SV44 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV44 @ SV50 )
          | ( left_convergent_lines @ SV33 @ SV50 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[239]) ).

thf(253,plain,
    ( ( ( ~ ( unequally_directed_lines @ sK1_L @ sK2_SY28 ) )
      = $true )
    | ( ( ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[240]) ).

thf(254,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ~ ( ~ ( convergent_lines @ SV34 @ SV45 )
            | ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
                | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[242]) ).

thf(255,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ~ ( ~ ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
                  | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) )
            | ( convergent_lines @ SV34 @ SV45 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[242]) ).

thf(256,plain,
    ! [SV51: $i,SV46: $i,SV35: $i] :
      ( ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV35 @ SV46 )
                | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV35 @ SV51 )
              | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[243]) ).

thf(257,plain,
    ! [SV52: $i,SV47: $i,SV37: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV37 @ SV47 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV37 @ SV52 )
          | ( unequally_directed_lines @ SV47 @ SV52 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[245]) ).

thf(258,plain,
    ! [SV48: $i,SV38: $i] :
      ( ( ( ~ ( ~ ( unequally_directed_lines @ SV38 @ SV48 )
              | ~ ( unequally_directed_lines @ SV38 @ ( reverse_line @ SV48 ) ) ) )
        = $false )
      | ( ( ( left_convergent_lines @ SV38 @ SV48 )
          | ( left_convergent_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[246]) ).

thf(259,plain,
    ! [SV49: $i,SV39: $i] :
      ( ( ( ~ ( ~ ( line @ SV39 )
              | ~ ( line @ SV49 ) ) )
        = $false )
      | ( ( ( unequally_directed_lines @ SV39 @ SV49 )
          | ( unequally_directed_lines @ SV39 @ ( reverse_line @ SV49 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[247]) ).

thf(260,plain,
    ! [SV50: $i,SV44: $i,SV33: $i] :
      ( ( ( left_convergent_lines @ SV33 @ SV44 )
        = $false )
      | ( ( ( unequally_directed_lines @ SV44 @ SV50 )
          | ( left_convergent_lines @ SV33 @ SV50 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[252]) ).

thf(261,plain,
    ( ( ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
      = $false )
    | ( ( ~ ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[253]) ).

thf(262,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ~ ( convergent_lines @ SV34 @ SV45 )
        | ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
            | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[254]) ).

thf(263,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
              | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) )
        | ( convergent_lines @ SV34 @ SV45 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[255]) ).

thf(264,plain,
    ! [SV51: $i,SV46: $i,SV35: $i] :
      ( ( ( ~ ( ~ ( unequally_directed_lines @ SV35 @ SV46 )
              | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV35 @ SV51 )
              | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[256]) ).

thf(265,plain,
    ! [SV52: $i,SV47: $i,SV37: $i] :
      ( ( ( unequally_directed_lines @ SV37 @ SV47 )
        = $false )
      | ( ( ( unequally_directed_lines @ SV37 @ SV52 )
          | ( unequally_directed_lines @ SV47 @ SV52 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[257]) ).

thf(266,plain,
    ! [SV48: $i,SV38: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV38 @ SV48 )
          | ~ ( unequally_directed_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        = $true )
      | ( ( ( left_convergent_lines @ SV38 @ SV48 )
          | ( left_convergent_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[258]) ).

thf(267,plain,
    ! [SV49: $i,SV39: $i] :
      ( ( ( ~ ( line @ SV39 )
          | ~ ( line @ SV49 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV39 @ SV49 )
          | ( unequally_directed_lines @ SV39 @ ( reverse_line @ SV49 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[259]) ).

thf(268,plain,
    ! [SV33: $i,SV50: $i,SV44: $i] :
      ( ( ( unequally_directed_lines @ SV44 @ SV50 )
        = $true )
      | ( ( left_convergent_lines @ SV33 @ SV50 )
        = $true )
      | ( ( left_convergent_lines @ SV33 @ SV44 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[260]) ).

thf(269,plain,
    ( ( ( unequally_directed_lines @ sK1_L @ ( reverse_line @ sK2_SY28 ) )
      = $false )
    | ( ( unequally_directed_lines @ sK1_L @ sK2_SY28 )
      = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[261]) ).

thf(270,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( ~ ( convergent_lines @ SV34 @ SV45 ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
              | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[262]) ).

thf(271,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( ~ ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
                | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) ) )
        = $true )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[263]) ).

thf(272,plain,
    ! [SV51: $i,SV46: $i,SV35: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV35 @ SV46 )
          | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV35 @ SV51 )
              | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[264]) ).

thf(273,plain,
    ! [SV47: $i,SV52: $i,SV37: $i] :
      ( ( ( unequally_directed_lines @ SV37 @ SV52 )
        = $true )
      | ( ( unequally_directed_lines @ SV47 @ SV52 )
        = $true )
      | ( ( unequally_directed_lines @ SV37 @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[265]) ).

thf(274,plain,
    ! [SV48: $i,SV38: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV38 @ SV48 ) )
        = $true )
      | ( ( ~ ( unequally_directed_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        = $true )
      | ( ( ( left_convergent_lines @ SV38 @ SV48 )
          | ( left_convergent_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[266]) ).

thf(275,plain,
    ! [SV49: $i,SV39: $i] :
      ( ( ( ~ ( line @ SV39 ) )
        = $true )
      | ( ( ~ ( line @ SV49 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV39 @ SV49 )
          | ( unequally_directed_lines @ SV39 @ ( reverse_line @ SV49 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[267]) ).

thf(276,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( convergent_lines @ SV34 @ SV45 )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
              | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[270]) ).

thf(277,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( ~ ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
              | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) ) )
        = $false )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[271]) ).

thf(278,plain,
    ! [SV51: $i,SV46: $i,SV35: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV35 @ SV46 ) )
        = $true )
      | ( ( ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV35 @ SV51 )
              | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[272]) ).

thf(279,plain,
    ! [SV48: $i,SV38: $i] :
      ( ( ( unequally_directed_lines @ SV38 @ SV48 )
        = $false )
      | ( ( ~ ( unequally_directed_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        = $true )
      | ( ( ( left_convergent_lines @ SV38 @ SV48 )
          | ( left_convergent_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[274]) ).

thf(280,plain,
    ! [SV49: $i,SV39: $i] :
      ( ( ( line @ SV39 )
        = $false )
      | ( ( ~ ( line @ SV49 ) )
        = $true )
      | ( ( ( unequally_directed_lines @ SV39 @ SV49 )
          | ( unequally_directed_lines @ SV39 @ ( reverse_line @ SV49 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[275]) ).

thf(281,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
          | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) )
        = $false )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[276]) ).

thf(282,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV34 @ SV45 )
          | ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) )
        = $true )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[277]) ).

thf(283,plain,
    ! [SV51: $i,SV46: $i,SV35: $i] :
      ( ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV35 @ SV51 )
              | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[278]) ).

thf(284,plain,
    ! [SV48: $i,SV38: $i] :
      ( ( ( unequally_directed_lines @ SV38 @ ( reverse_line @ SV48 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV38 @ SV48 )
        = $false )
      | ( ( ( left_convergent_lines @ SV38 @ SV48 )
          | ( left_convergent_lines @ SV38 @ ( reverse_line @ SV48 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[279]) ).

thf(285,plain,
    ! [SV39: $i,SV49: $i] :
      ( ( ( line @ SV49 )
        = $false )
      | ( ( line @ SV39 )
        = $false )
      | ( ( ( unequally_directed_lines @ SV39 @ SV49 )
          | ( unequally_directed_lines @ SV39 @ ( reverse_line @ SV49 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[280]) ).

thf(286,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV34 @ SV45 ) )
        = $false )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[281]) ).

thf(287,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) )
        = $false )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[281]) ).

thf(288,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV34 @ SV45 ) )
        = $true )
      | ( ( ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) )
        = $true )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[282]) ).

thf(289,plain,
    ! [SV51: $i,SV46: $i,SV35: $i] :
      ( ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV35 @ SV51 )
              | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) )
          | ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[283]) ).

thf(290,plain,
    ! [SV48: $i,SV38: $i] :
      ( ( ( left_convergent_lines @ SV38 @ SV48 )
        = $true )
      | ( ( left_convergent_lines @ SV38 @ ( reverse_line @ SV48 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV38 @ SV48 )
        = $false )
      | ( ( unequally_directed_lines @ SV38 @ ( reverse_line @ SV48 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[284]) ).

thf(291,plain,
    ! [SV49: $i,SV39: $i] :
      ( ( ( unequally_directed_lines @ SV39 @ SV49 )
        = $true )
      | ( ( unequally_directed_lines @ SV39 @ ( reverse_line @ SV49 ) )
        = $true )
      | ( ( line @ SV39 )
        = $false )
      | ( ( line @ SV49 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[285]) ).

thf(292,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( unequally_directed_lines @ SV34 @ SV45 )
        = $true )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[286]) ).

thf(293,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) )
        = $true )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[287]) ).

thf(294,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( unequally_directed_lines @ SV34 @ SV45 )
        = $false )
      | ( ( ~ ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) ) )
        = $true )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[288]) ).

thf(295,plain,
    ! [SV46: $i,SV51: $i,SV35: $i] :
      ( ( ( ~ ( ~ ( unequally_directed_lines @ SV35 @ SV51 )
              | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[289]) ).

thf(296,plain,
    ! [SV45: $i,SV34: $i] :
      ( ( ( unequally_directed_lines @ SV34 @ ( reverse_line @ SV45 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV34 @ SV45 )
        = $false )
      | ( ( convergent_lines @ SV34 @ SV45 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[294]) ).

thf(297,plain,
    ! [SV46: $i,SV51: $i,SV35: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV35 @ SV51 )
          | ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[295]) ).

thf(298,plain,
    ! [SV46: $i,SV51: $i,SV35: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV35 @ SV51 ) )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[297]) ).

thf(299,plain,
    ! [SV46: $i,SV51: $i,SV35: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) ) )
        = $false )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[297]) ).

thf(300,plain,
    ! [SV46: $i,SV51: $i,SV35: $i] :
      ( ( ( unequally_directed_lines @ SV35 @ SV51 )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[298]) ).

thf(301,plain,
    ! [SV46: $i,SV51: $i,SV35: $i] :
      ( ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) )
        = $true )
      | ( ( ~ ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
              | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[299]) ).

thf(302,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
          | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ SV51 )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[300]) ).

thf(303,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV46 @ SV51 )
          | ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[301]) ).

thf(304,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV46 @ SV51 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ SV51 )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[302]) ).

thf(305,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ SV51 )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[302]) ).

thf(306,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV46 @ SV51 ) )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[303]) ).

thf(307,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( ~ ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) ) )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[303]) ).

thf(308,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( unequally_directed_lines @ SV46 @ SV51 )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV51 )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[304]) ).

thf(309,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV51 )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[305]) ).

thf(310,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( unequally_directed_lines @ SV46 @ SV51 )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[306]) ).

thf(311,plain,
    ! [SV35: $i,SV51: $i,SV46: $i] :
      ( ( ( unequally_directed_lines @ SV46 @ ( reverse_line @ SV51 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV51 ) )
        = $true )
      | ( ( unequally_directed_lines @ SV35 @ SV46 )
        = $false )
      | ( ( unequally_directed_lines @ SV35 @ ( reverse_line @ SV46 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[307]) ).

thf(312,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[220,311,310,309,308,296,293,292,291,290,273,269,268,251,250,249,248,244,241,238,237,223]) ).

thf(313,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[312,183]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : GEO228+1 : TPTP v9.3.1. Bugfixed v6.4.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.19  % Computer : n010.cluster.edu
% 0.08/0.19  % Model    : x86_64 x86_64
% 0.08/0.19  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.19  % Memory   : 8046.5625MB
% 0.08/0.19  % OS       : Linux 6.8.0-71-generic
% 0.08/0.19  % CPULimit : 300
% 0.08/0.19  % WCLimit  : 300
% 0.08/0.19  % DateTime : Tue Oct  6 10:11:55 UTC 2026
% 0.08/0.20  % CPUTime  : 
% 0.08/0.20  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 1.14/0.40  
% 1.14/0.40   No.of.Axioms: 13
% 1.14/0.40  
% 1.14/0.40   Length.of.Defs: 0
% 1.14/0.40  
% 1.14/0.40   Contains.Choice.Funs: false
% 1.14/0.40  .......
% 1.14/0.40  
% 1.14/0.40  ********************************
% 1.14/0.40  *   All subproblems solved!    *
% 1.14/0.40  ********************************
% 1.14/0.40  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:13,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:312,loop_count:0,foatp_calls:1,translation:fof_full)
% 1.14/0.40  
% 1.14/0.40  %**** Beginning of derivation protocol ****
% 1.14/0.40  % SZS output start CNFRefutation
% See solution above
% 1.14/0.40  
% 1.14/0.40  %**** End of derivation protocol ****
% 1.14/0.40  %**** no. of clauses in derivation: 295 ****
% 1.14/0.40  %**** clause counter: 312 ****
% 1.14/0.40  
% 1.14/0.40  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:13,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:312,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------