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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SWC083+1 : TPTP v9.3.1. Released v2.4.0.
% 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 : n006.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 10:51:53 AM UTC 2026

% Result   : Theorem 26.75s 5.60s
% Output   : CNFRefutation 26.75s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   32
%            Number of leaves      :   44
% Syntax   : Number of formulae    :  646 ( 219 unt;   0 typ;   0 def)
%            Number of atoms       : 6027 (2198 equ;   0 cnn)
%            Maximal formula atoms :   16 (   9 avg)
%            Number of connectives : 8966 (2313   ~;1975   |;  57   &;4322   @)
%                                         (  27 <=>; 272  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   18 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   39 (  36 usr;  10 con; 0-2 aty)
%            Number of variables   : 1425 (   0   ^;1403   !;  22   ?;1425   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_app,type,
    app: $i > $i > $i ).

thf(tp_cons,type,
    cons: $i > $i > $i ).

thf(tp_cyclefreeP,type,
    cyclefreeP: $i > $o ).

thf(tp_duplicatefreeP,type,
    duplicatefreeP: $i > $o ).

thf(tp_equalelemsP,type,
    equalelemsP: $i > $o ).

thf(tp_frontsegP,type,
    frontsegP: $i > $i > $o ).

thf(tp_geq,type,
    geq: $i > $i > $o ).

thf(tp_gt,type,
    gt: $i > $i > $o ).

thf(tp_hd,type,
    hd: $i > $i ).

thf(tp_leq,type,
    leq: $i > $i > $o ).

thf(tp_lt,type,
    lt: $i > $i > $o ).

thf(tp_memberP,type,
    memberP: $i > $i > $o ).

thf(tp_neq,type,
    neq: $i > $i > $o ).

thf(tp_nil,type,
    nil: $i ).

thf(tp_rearsegP,type,
    rearsegP: $i > $i > $o ).

thf(tp_sK10_SY135,type,
    sK10_SY135: $i > $i > $i ).

thf(tp_sK11_SY146,type,
    sK11_SY146: $i > $i > $i ).

thf(tp_sK12_SY162,type,
    sK12_SY162: $i > $i > $i ).

thf(tp_sK1_U,type,
    sK1_U: $i ).

thf(tp_sK2_SX0,type,
    sK2_SX0: $i ).

thf(tp_sK3_SY125,type,
    sK3_SY125: $i ).

thf(tp_sK4_SY139,type,
    sK4_SY139: $i ).

thf(tp_sK5_SY155,type,
    sK5_SY155: $i ).

thf(tp_sK6_SY117,type,
    sK6_SY117: $i > $i ).

thf(tp_sK7_SY159,type,
    sK7_SY159: $i ).

thf(tp_sK8_SY161,type,
    sK8_SY161: $i ).

thf(tp_sK9_SY131,type,
    sK9_SY131: $i > $i > $i ).

thf(tp_segmentP,type,
    segmentP: $i > $i > $o ).

thf(tp_singletonP,type,
    singletonP: $i > $o ).

thf(tp_ssItem,type,
    ssItem: $i > $o ).

thf(tp_ssList,type,
    ssList: $i > $o ).

thf(tp_strictorderP,type,
    strictorderP: $i > $o ).

thf(tp_strictorderedP,type,
    strictorderedP: $i > $o ).

thf(tp_tl,type,
    tl: $i > $i ).

thf(tp_totalorderP,type,
    totalorderP: $i > $o ).

thf(tp_totalorderedP,type,
    totalorderedP: $i > $o ).

thf(10,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( nil != U )
           => ( ( tl @ ( app @ U @ V ) )
              = ( app @ ( tl @ U ) @ V ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax86) ).

thf(11,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( nil != U )
           => ( ( hd @ ( app @ U @ V ) )
              = ( hd @ U ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax85) ).

thf(12,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( app @ U @ nil )
        = U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax84) ).

thf(13,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( nil
              = ( app @ U @ V ) )
          <=> ( ( nil = V )
              & ( nil = U ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax83) ).

thf(14,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( app @ ( app @ U @ V ) @ W )
                = ( app @ U @ ( app @ V @ W ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax82) ).

thf(16,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( ( app @ V @ W )
                  = ( app @ V @ U ) )
               => ( W = U ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax80) ).

thf(17,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( ( app @ W @ V )
                  = ( app @ U @ V ) )
               => ( W = U ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax79) ).

thf(20,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( nil != U )
       => ? [V: $i] :
            ( ( ssList @ V )
            & ( ( tl @ U )
              = V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax76) ).

thf(22,axiom,
    equalelemsP @ nil,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax74) ).

thf(24,axiom,
    duplicatefreeP @ nil,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax72) ).

thf(27,axiom,
    strictorderedP @ nil,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax69) ).

thf(30,axiom,
    totalorderedP @ nil,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax66) ).

thf(32,axiom,
    strictorderP @ nil,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax64) ).

thf(34,axiom,
    totalorderP @ nil,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax62) ).

thf(36,axiom,
    cyclefreeP @ nil,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax60) ).

thf(38,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( segmentP @ nil @ U )
      <=> ( nil = U ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax58) ).

thf(39,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( segmentP @ U @ nil ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax57) ).

thf(40,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ! [X: $i] :
                  ( ( ssList @ X )
                 => ( ( segmentP @ U @ V )
                   => ( segmentP @ ( app @ ( app @ W @ U ) @ X ) @ V ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax56) ).

thf(41,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( segmentP @ U @ U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax55) ).

thf(42,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( ( segmentP @ U @ V )
              & ( segmentP @ V @ U ) )
           => ( U = V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax54) ).

thf(43,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( ( segmentP @ U @ V )
                  & ( segmentP @ V @ W ) )
               => ( segmentP @ U @ W ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax53) ).

thf(44,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( rearsegP @ nil @ U )
      <=> ( nil = U ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax52) ).

thf(45,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( rearsegP @ U @ nil ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax51) ).

thf(46,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( rearsegP @ U @ V )
               => ( rearsegP @ ( app @ W @ U ) @ V ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax50) ).

thf(47,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( rearsegP @ U @ U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax49) ).

thf(48,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( ( rearsegP @ U @ V )
              & ( rearsegP @ V @ U ) )
           => ( U = V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax48) ).

thf(49,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( ( rearsegP @ U @ V )
                  & ( rearsegP @ V @ W ) )
               => ( rearsegP @ U @ W ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax47) ).

thf(50,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( frontsegP @ nil @ U )
      <=> ( nil = U ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax46) ).

thf(51,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( frontsegP @ U @ nil ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax45) ).

thf(53,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( frontsegP @ U @ V )
               => ( frontsegP @ ( app @ U @ W ) @ V ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax43) ).

thf(54,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( frontsegP @ U @ U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax42) ).

thf(55,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( ( frontsegP @ U @ V )
              & ( frontsegP @ V @ U ) )
           => ( U = V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax41) ).

thf(56,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( ( frontsegP @ U @ V )
                  & ( frontsegP @ V @ W ) )
               => ( frontsegP @ U @ W ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax40) ).

thf(57,axiom,
    ~ ( singletonP @ nil ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax39) ).

thf(68,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( app @ nil @ U )
        = U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax28) ).

thf(70,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ssList @ ( app @ U @ V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax26) ).

thf(72,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( nil != U )
       => ( ssList @ ( tl @ U ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax24) ).

thf(79,axiom,
    ssList @ nil,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax17) ).

thf(81,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( neq @ U @ V )
          <=> ( U != V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax15) ).

thf(89,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( segmentP @ U @ V )
          <=> ? [W: $i] :
                ( ( ssList @ W )
                & ? [X: $i] :
                    ( ( ssList @ X )
                    & ( ( app @ ( app @ W @ V ) @ X )
                      = U ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax7) ).

thf(90,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( rearsegP @ U @ V )
          <=> ? [W: $i] :
                ( ( ssList @ W )
                & ( ( app @ W @ V )
                  = U ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax6) ).

thf(91,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( frontsegP @ U @ V )
          <=> ? [W: $i] :
                ( ( ssList @ W )
                & ( ( app @ V @ W )
                  = U ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax5) ).

thf(95,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( neq @ U @ V )
          <=> ( U != V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax1) ).

thf(96,conjecture,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ! [X: $i] :
                  ( ~ ( ssList @ X )
                  | ( V != X )
                  | ( U != W )
                  | ~ ( neq @ V @ nil )
                  | ? [Y: $i] :
                      ( ( ssList @ Y )
                      & ( neq @ Y @ nil )
                      & ( segmentP @ V @ Y )
                      & ( segmentP @ U @ Y ) )
                  | ! [Z: $i] :
                      ( ( ssList @ Z )
                     => ! [X1: $i] :
                          ( ( ssList @ X1 )
                         => ! [X2: $i] :
                              ( ~ ( ssList @ X2 )
                              | ( ( app @ ( app @ Z @ X1 ) @ X2 )
                               != W )
                              | ( ( app @ Z @ X2 )
                               != X ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

thf(97,negated_conjecture,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ! [X: $i] :
                      ( ~ ( ssList @ X )
                      | ( V != X )
                      | ( U != W )
                      | ~ ( neq @ V @ nil )
                      | ? [Y: $i] :
                          ( ( ssList @ Y )
                          & ( neq @ Y @ nil )
                          & ( segmentP @ V @ Y )
                          & ( segmentP @ U @ Y ) )
                      | ! [Z: $i] :
                          ( ( ssList @ Z )
                         => ! [X1: $i] :
                              ( ( ssList @ X1 )
                             => ! [X2: $i] :
                                  ( ~ ( ssList @ X2 )
                                  | ( ( app @ ( app @ Z @ X1 ) @ X2 )
                                   != W )
                                  | ( ( app @ Z @ X2 )
                                   != X ) ) ) ) ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[96]) ).

thf(98,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ! [X: $i] :
                      ( ~ ( ssList @ X )
                      | ( V != X )
                      | ( U != W )
                      | ~ ( neq @ V @ nil )
                      | ? [Y: $i] :
                          ( ( ssList @ Y )
                          & ( neq @ Y @ nil )
                          & ( segmentP @ V @ Y )
                          & ( segmentP @ U @ Y ) )
                      | ! [Z: $i] :
                          ( ( ssList @ Z )
                         => ! [X1: $i] :
                              ( ( ssList @ X1 )
                             => ! [X2: $i] :
                                  ( ~ ( ssList @ X2 )
                                  | ( ( app @ ( app @ Z @ X1 ) @ X2 )
                                   != W )
                                  | ( ( app @ Z @ X2 )
                                   != X ) ) ) ) ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[97]) ).

thf(99,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( nil != U )
               => ( ( tl @ ( app @ U @ V ) )
                  = ( app @ ( tl @ U ) @ V ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(100,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( nil != U )
               => ( ( hd @ ( app @ U @ V ) )
                  = ( hd @ U ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(101,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( app @ U @ nil )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(102,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( nil
                  = ( app @ U @ V ) )
              <=> ( ( nil = V )
                  & ( nil = U ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(103,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( app @ ( app @ U @ V ) @ W )
                    = ( app @ U @ ( app @ V @ W ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(104,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( app @ V @ W )
                      = ( app @ V @ U ) )
                   => ( W = U ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(105,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( app @ W @ V )
                      = ( app @ U @ V ) )
                   => ( W = U ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(106,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ? [V: $i] :
                ( ( ssList @ V )
                & ( ( tl @ U )
                  = V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(107,plain,
    ( ( equalelemsP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(108,plain,
    ( ( duplicatefreeP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(109,plain,
    ( ( strictorderedP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(110,plain,
    ( ( totalorderedP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(111,plain,
    ( ( strictorderP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(112,plain,
    ( ( totalorderP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(113,plain,
    ( ( cyclefreeP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(114,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( segmentP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(115,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( segmentP @ U @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(116,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ! [X: $i] :
                      ( ( ssList @ X )
                     => ( ( segmentP @ U @ V )
                       => ( segmentP @ ( app @ ( app @ W @ U ) @ X ) @ V ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(117,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( segmentP @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(118,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( ( segmentP @ U @ V )
                  & ( segmentP @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

thf(119,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( segmentP @ U @ V )
                      & ( segmentP @ V @ W ) )
                   => ( segmentP @ U @ W ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(120,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( rearsegP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[44]) ).

thf(121,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( rearsegP @ U @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(122,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( rearsegP @ U @ V )
                   => ( rearsegP @ ( app @ W @ U ) @ V ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(123,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( rearsegP @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[47]) ).

thf(124,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( ( rearsegP @ U @ V )
                  & ( rearsegP @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(125,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( rearsegP @ U @ V )
                      & ( rearsegP @ V @ W ) )
                   => ( rearsegP @ U @ W ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[49]) ).

thf(126,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( frontsegP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[50]) ).

thf(127,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( frontsegP @ U @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[51]) ).

thf(128,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( frontsegP @ U @ V )
                   => ( frontsegP @ ( app @ U @ W ) @ V ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[53]) ).

thf(129,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( frontsegP @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[54]) ).

thf(130,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( ( frontsegP @ U @ V )
                  & ( frontsegP @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[55]) ).

thf(131,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( frontsegP @ U @ V )
                      & ( frontsegP @ V @ W ) )
                   => ( frontsegP @ U @ W ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[56]) ).

thf(132,plain,
    ( ( ~ ( singletonP @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[57]) ).

thf(133,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( app @ nil @ U )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[68]) ).

thf(134,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ssList @ ( app @ U @ V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[70]) ).

thf(135,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ( ssList @ ( tl @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[72]) ).

thf(136,plain,
    ( ( ssList @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[79]) ).

thf(137,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( neq @ U @ V )
              <=> ( U != V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[81]) ).

thf(138,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( segmentP @ U @ V )
              <=> ? [W: $i] :
                    ( ( ssList @ W )
                    & ? [X: $i] :
                        ( ( ssList @ X )
                        & ( ( app @ ( app @ W @ V ) @ X )
                          = U ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[89]) ).

thf(139,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( rearsegP @ U @ V )
              <=> ? [W: $i] :
                    ( ( ssList @ W )
                    & ( ( app @ W @ V )
                      = U ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[90]) ).

thf(140,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( frontsegP @ U @ V )
              <=> ? [W: $i] :
                    ( ( ssList @ W )
                    & ( ( app @ V @ W )
                      = U ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[91]) ).

thf(141,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( neq @ U @ V )
              <=> ( U != V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[95]) ).

thf(142,plain,
    ( ( ( ssList @ sK1_U )
     => ! [SY78: $i] :
          ( ( ssList @ SY78 )
         => ! [SY79: $i] :
              ( ( ssList @ SY79 )
             => ! [SY80: $i] :
                  ( ~ ( ssList @ SY80 )
                  | ( SY78 != SY80 )
                  | ( sK1_U != SY79 )
                  | ~ ( neq @ SY78 @ nil )
                  | ? [SY81: $i] :
                      ( ( ssList @ SY81 )
                      & ( neq @ SY81 @ nil )
                      & ( segmentP @ SY78 @ SY81 )
                      & ( segmentP @ sK1_U @ SY81 ) )
                  | ! [Z: $i] :
                      ( ( ssList @ Z )
                     => ! [X1: $i] :
                          ( ( ssList @ X1 )
                         => ! [X2: $i] :
                              ( ~ ( ssList @ X2 )
                              | ( ( app @ ( app @ Z @ X1 ) @ X2 )
                               != SY79 )
                              | ( ( app @ Z @ X2 )
                               != SY80 ) ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[98]) ).

thf(143,plain,
    ( ( ssList @ sK1_U )
    = $true ),
    inference(standard_cnf,[status(thm)],[142]) ).

thf(144,plain,
    ( ( ! [SY78: $i] :
          ( ( ssList @ SY78 )
         => ! [SY79: $i] :
              ( ( ssList @ SY79 )
             => ! [SY80: $i] :
                  ( ~ ( ssList @ SY80 )
                  | ( SY78 != SY80 )
                  | ( sK1_U != SY79 )
                  | ~ ( neq @ SY78 @ nil )
                  | ? [SY81: $i] :
                      ( ( ssList @ SY81 )
                      & ( neq @ SY81 @ nil )
                      & ( segmentP @ SY78 @ SY81 )
                      & ( segmentP @ sK1_U @ SY81 ) )
                  | ! [Z: $i] :
                      ( ( ssList @ Z )
                     => ! [X1: $i] :
                          ( ( ssList @ X1 )
                         => ! [X2: $i] :
                              ( ~ ( ssList @ X2 )
                              | ( ( app @ ( app @ Z @ X1 ) @ X2 )
                               != SY79 )
                              | ( ( app @ Z @ X2 )
                               != SY80 ) ) ) ) ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[142]) ).

thf(145,plain,
    ( ( ~ ! [SY78: $i] :
            ( ( ssList @ SY78 )
           => ! [SY79: $i] :
                ( ( ssList @ SY79 )
               => ! [SY80: $i] :
                    ( ~ ( ssList @ SY80 )
                    | ( SY78 != SY80 )
                    | ( sK1_U != SY79 )
                    | ~ ( neq @ SY78 @ nil )
                    | ? [SY81: $i] :
                        ( ( ssList @ SY81 )
                        & ( neq @ SY81 @ nil )
                        & ( segmentP @ SY78 @ SY81 )
                        & ( segmentP @ sK1_U @ SY81 ) )
                    | ! [Z: $i] :
                        ( ( ssList @ Z )
                       => ! [X1: $i] :
                            ( ( ssList @ X1 )
                           => ! [X2: $i] :
                                ( ~ ( ssList @ X2 )
                                | ( ( app @ ( app @ Z @ X1 ) @ X2 )
                                 != SY79 )
                                | ( ( app @ Z @ X2 )
                                 != SY80 ) ) ) ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[144]) ).

thf(146,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( neq @ U @ V )
              <=> ( U != V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[141]) ).

thf(147,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( frontsegP @ U @ V )
              <=> ? [W: $i] :
                    ( ( ssList @ W )
                    & ( ( app @ V @ W )
                      = U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[140]) ).

thf(148,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( rearsegP @ U @ V )
              <=> ? [W: $i] :
                    ( ( ssList @ W )
                    & ( ( app @ W @ V )
                      = U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[139]) ).

thf(149,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( segmentP @ U @ V )
              <=> ? [W: $i] :
                    ( ( ssList @ W )
                    & ? [X: $i] :
                        ( ( ssList @ X )
                        & ( ( app @ ( app @ W @ V ) @ X )
                          = U ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[138]) ).

thf(150,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( neq @ U @ V )
              <=> ( U != V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[137]) ).

thf(151,plain,
    ( ( ssList @ nil )
    = $true ),
    inference(copy,[status(thm)],[136]) ).

thf(152,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ( ssList @ ( tl @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[135]) ).

thf(153,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ssList @ ( app @ U @ V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[134]) ).

thf(154,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( app @ nil @ U )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[133]) ).

thf(155,plain,
    ( ( ~ ( singletonP @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[132]) ).

thf(156,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( frontsegP @ U @ V )
                      & ( frontsegP @ V @ W ) )
                   => ( frontsegP @ U @ W ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[131]) ).

thf(157,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( ( frontsegP @ U @ V )
                  & ( frontsegP @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[130]) ).

thf(158,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( frontsegP @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[129]) ).

thf(159,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( frontsegP @ U @ V )
                   => ( frontsegP @ ( app @ U @ W ) @ V ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[128]) ).

thf(160,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( frontsegP @ U @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[127]) ).

thf(161,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( frontsegP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[126]) ).

thf(162,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( rearsegP @ U @ V )
                      & ( rearsegP @ V @ W ) )
                   => ( rearsegP @ U @ W ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[125]) ).

thf(163,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( ( rearsegP @ U @ V )
                  & ( rearsegP @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[124]) ).

thf(164,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( rearsegP @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[123]) ).

thf(165,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( rearsegP @ U @ V )
                   => ( rearsegP @ ( app @ W @ U ) @ V ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[122]) ).

thf(166,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( rearsegP @ U @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[121]) ).

thf(167,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( rearsegP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[120]) ).

thf(168,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( segmentP @ U @ V )
                      & ( segmentP @ V @ W ) )
                   => ( segmentP @ U @ W ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[119]) ).

thf(169,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( ( segmentP @ U @ V )
                  & ( segmentP @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[118]) ).

thf(170,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( segmentP @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[117]) ).

thf(171,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ! [X: $i] :
                      ( ( ssList @ X )
                     => ( ( segmentP @ U @ V )
                       => ( segmentP @ ( app @ ( app @ W @ U ) @ X ) @ V ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[116]) ).

thf(172,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( segmentP @ U @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[115]) ).

thf(173,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( segmentP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[114]) ).

thf(174,plain,
    ( ( cyclefreeP @ nil )
    = $true ),
    inference(copy,[status(thm)],[113]) ).

thf(175,plain,
    ( ( totalorderP @ nil )
    = $true ),
    inference(copy,[status(thm)],[112]) ).

thf(176,plain,
    ( ( strictorderP @ nil )
    = $true ),
    inference(copy,[status(thm)],[111]) ).

thf(177,plain,
    ( ( totalorderedP @ nil )
    = $true ),
    inference(copy,[status(thm)],[110]) ).

thf(178,plain,
    ( ( strictorderedP @ nil )
    = $true ),
    inference(copy,[status(thm)],[109]) ).

thf(179,plain,
    ( ( duplicatefreeP @ nil )
    = $true ),
    inference(copy,[status(thm)],[108]) ).

thf(180,plain,
    ( ( equalelemsP @ nil )
    = $true ),
    inference(copy,[status(thm)],[107]) ).

thf(181,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ? [V: $i] :
                ( ( ssList @ V )
                & ( ( tl @ U )
                  = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[106]) ).

thf(182,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( app @ W @ V )
                      = ( app @ U @ V ) )
                   => ( W = U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[105]) ).

thf(183,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( ( app @ V @ W )
                      = ( app @ V @ U ) )
                   => ( W = U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[104]) ).

thf(184,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( app @ ( app @ U @ V ) @ W )
                    = ( app @ U @ ( app @ V @ W ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[103]) ).

thf(185,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( nil
                  = ( app @ U @ V ) )
              <=> ( ( nil = V )
                  & ( nil = U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[102]) ).

thf(186,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( app @ U @ nil )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[101]) ).

thf(187,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( nil != U )
               => ( ( hd @ ( app @ U @ V ) )
                  = ( hd @ U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[100]) ).

thf(188,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( nil != U )
               => ( ( tl @ ( app @ U @ V ) )
                  = ( app @ ( tl @ U ) @ V ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[99]) ).

thf(189,plain,
    ( ( ssList @ sK1_U )
    = $true ),
    inference(copy,[status(thm)],[143]) ).

thf(190,plain,
    ( ( ~ ! [SY78: $i] :
            ( ( ssList @ SY78 )
           => ! [SY79: $i] :
                ( ( ssList @ SY79 )
               => ! [SY80: $i] :
                    ( ~ ( ssList @ SY80 )
                    | ( SY78 != SY80 )
                    | ( sK1_U != SY79 )
                    | ~ ( neq @ SY78 @ nil )
                    | ? [SY81: $i] :
                        ( ( ssList @ SY81 )
                        & ( neq @ SY81 @ nil )
                        & ( segmentP @ SY78 @ SY81 )
                        & ( segmentP @ sK1_U @ SY81 ) )
                    | ! [Z: $i] :
                        ( ( ssList @ Z )
                       => ! [X1: $i] :
                            ( ( ssList @ X1 )
                           => ! [X2: $i] :
                                ( ~ ( ssList @ X2 )
                                | ( ( app @ ( app @ Z @ X1 ) @ X2 )
                                 != SY79 )
                                | ( ( app @ Z @ X2 )
                                 != SY80 ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[145]) ).

thf(191,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ( ~ ( ~ ( segmentP @ SX0 @ SX1 )
                      | ~ ! [SX2: $i] :
                            ~ ~ ( ~ ( ssList @ SX2 )
                                | ~ ~ ! [SX3: $i] :
                                        ~ ~ ( ~ ( ssList @ SX3 )
                                            | ( ( app @ ( app @ SX2 @ SX1 ) @ SX3 )
                                             != SX0 ) ) ) )
                  | ~ ( ~ ~ ! [SX2: $i] :
                              ~ ~ ( ~ ( ssList @ SX2 )
                                  | ~ ~ ! [SX3: $i] :
                                          ~ ~ ( ~ ( ssList @ SX3 )
                                              | ( ( app @ ( app @ SX2 @ SX1 ) @ SX3 )
                                               != SX0 ) ) )
                      | ( segmentP @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[149]) ).

thf(192,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ~ ( ~ ( rearsegP @ SX0 @ SX1 )
                    | ~ ( rearsegP @ SX1 @ SX0 ) )
              | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[163]) ).

thf(193,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( segmentP @ nil @ SX0 )
                  | ( nil = SX0 ) )
              | ~ ( ( nil != SX0 )
                  | ( segmentP @ nil @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[173]) ).

thf(194,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ( ~ ( ~ ( frontsegP @ SX0 @ SX1 )
                      | ~ ! [SX2: $i] :
                            ~ ~ ( ~ ( ssList @ SX2 )
                                | ( ( app @ SX1 @ SX2 )
                                 != SX0 ) ) )
                  | ~ ( ~ ~ ! [SX2: $i] :
                              ~ ~ ( ~ ( ssList @ SX2 )
                                  | ( ( app @ SX1 @ SX2 )
                                   != SX0 ) )
                      | ( frontsegP @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[147]) ).

thf(195,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( segmentP @ SX0 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[170]) ).

thf(196,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( frontsegP @ SX0 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[158]) ).

thf(197,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( ( app @ nil @ SX0 )
            = SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[154]) ).

thf(198,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ~ ( rearsegP @ SX0 @ SX1 )
                  | ( rearsegP @ ( app @ SX2 @ SX0 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[165]) ).

thf(199,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ~ ( ~ ( ~ ( neq @ SX0 @ SX1 )
                      | ( SX0 != SX1 ) )
                  | ~ ( ~ ( ( SX0 != SX1 ) )
                      | ( neq @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[146]) ).

thf(200,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ~ ~ ( ~ ( frontsegP @ SX0 @ SX1 )
                        | ~ ( frontsegP @ SX1 @ SX2 ) )
                  | ( frontsegP @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[156]) ).

thf(201,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( rearsegP @ nil @ SX0 )
                  | ( nil = SX0 ) )
              | ~ ( ( nil != SX0 )
                  | ( rearsegP @ nil @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[167]) ).

thf(202,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ssList @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( ssList @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( ssList @ SX2 )
                    | ( SX0 != SX2 )
                    | ( sK1_U != SX1 )
                    | ~ ( neq @ SX0 @ nil )
                    | ~ ! [SX3: $i] :
                          ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SX3 )
                                          | ~ ( neq @ SX3 @ nil ) )
                                    | ~ ( segmentP @ SX0 @ SX3 ) )
                              | ~ ( segmentP @ sK1_U @ SX3 ) )
                    | ! [SX3: $i] :
                        ( ~ ( ssList @ SX3 )
                        | ! [SX4: $i] :
                            ( ~ ( ssList @ SX4 )
                            | ! [SX5: $i] :
                                ( ~ ( ssList @ SX5 )
                                | ( ( app @ ( app @ SX3 @ SX4 ) @ SX5 )
                                 != SX1 )
                                | ( ( app @ SX3 @ SX5 )
                                 != SX2 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[190]) ).

thf(203,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( rearsegP @ SX0 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[164]) ).

thf(204,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ( ~ ( ( nil
                       != ( app @ SX0 @ SX1 ) )
                      | ~ ( ( nil != SX1 )
                          | ( nil != SX0 ) ) )
                  | ~ ( ~ ~ ( ( nil != SX1 )
                            | ( nil != SX0 ) )
                      | ( nil
                        = ( app @ SX0 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[185]) ).

thf(205,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( rearsegP @ SX0 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[166]) ).

thf(206,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ( ssList @ ( app @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[153]) ).

thf(207,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ~ ~ ( ~ ( rearsegP @ SX0 @ SX1 )
                        | ~ ( rearsegP @ SX1 @ SX2 ) )
                  | ( rearsegP @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[162]) ).

thf(208,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ( ( app @ ( app @ SX0 @ SX1 ) @ SX2 )
                    = ( app @ SX0 @ ( app @ SX1 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[184]) ).

thf(209,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ( ~ ( ~ ( rearsegP @ SX0 @ SX1 )
                      | ~ ! [SX2: $i] :
                            ~ ~ ( ~ ( ssList @ SX2 )
                                | ( ( app @ SX2 @ SX1 )
                                 != SX0 ) ) )
                  | ~ ( ~ ~ ! [SX2: $i] :
                              ~ ~ ( ~ ( ssList @ SX2 )
                                  | ( ( app @ SX2 @ SX1 )
                                   != SX0 ) )
                      | ( rearsegP @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[148]) ).

thf(210,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ~ ( ~ ( segmentP @ SX0 @ SX1 )
                    | ~ ( segmentP @ SX1 @ SX0 ) )
              | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[169]) ).

thf(211,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ! [SX3: $i] :
                      ( ~ ( ssList @ SX3 )
                      | ~ ( segmentP @ SX0 @ SX1 )
                      | ( segmentP @ ( app @ ( app @ SX2 @ SX0 ) @ SX3 ) @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[171]) ).

thf(212,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ( ( app @ SX1 @ SX2 )
                   != ( app @ SX1 @ SX0 ) )
                  | ( SX2 = SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[183]) ).

thf(213,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ~ ( ~ ( frontsegP @ SX0 @ SX1 )
                    | ~ ( frontsegP @ SX1 @ SX0 ) )
              | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[157]) ).

thf(214,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( frontsegP @ nil @ SX0 )
                  | ( nil = SX0 ) )
              | ~ ( ( nil != SX0 )
                  | ( frontsegP @ nil @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(215,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ( ( nil != SX0 ) )
              | ( ( hd @ ( app @ SX0 @ SX1 ) )
                = ( hd @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[187]) ).

thf(216,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ( ~ ( ~ ( neq @ SX0 @ SX1 )
                      | ( SX0 != SX1 ) )
                  | ~ ( ~ ( ( SX0 != SX1 ) )
                      | ( neq @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[150]) ).

thf(217,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( segmentP @ SX0 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[172]) ).

thf(218,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( ( app @ SX0 @ nil )
            = SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[186]) ).

thf(219,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ( nil != SX0 ) )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( ssList @ SX1 )
                    | ( ( tl @ SX0 )
                     != SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[181]) ).

thf(220,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ~ ( frontsegP @ SX0 @ SX1 )
                  | ( frontsegP @ ( app @ SX0 @ SX2 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[159]) ).

thf(221,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( frontsegP @ SX0 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[160]) ).

thf(222,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ( nil != SX0 ) )
          | ( ssList @ ( tl @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[152]) ).

thf(223,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ~ ~ ( ~ ( segmentP @ SX0 @ SX1 )
                        | ~ ( segmentP @ SX1 @ SX2 ) )
                  | ( segmentP @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(224,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ( ( nil != SX0 ) )
              | ( ( tl @ ( app @ SX0 @ SX1 ) )
                = ( app @ ( tl @ SX0 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[188]) ).

thf(225,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ( ( app @ SX2 @ SX1 )
                   != ( app @ SX0 @ SX1 ) )
                  | ( SX2 = SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[182]) ).

thf(226,plain,
    ( ( singletonP @ nil )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[155]) ).

thf(227,plain,
    ! [SV1: $i] :
      ( ( ~ ( ssList @ SV1 )
        | ! [SY85: $i] :
            ( ~ ( ssList @ SY85 )
            | ~ ( ~ ( ~ ( segmentP @ SV1 @ SY85 )
                    | ~ ! [SY86: $i] :
                          ~ ~ ( ~ ( ssList @ SY86 )
                              | ~ ~ ! [SY87: $i] :
                                      ~ ~ ( ~ ( ssList @ SY87 )
                                          | ( ( app @ ( app @ SY86 @ SY85 ) @ SY87 )
                                           != SV1 ) ) ) )
                | ~ ( ~ ~ ! [SY88: $i] :
                            ~ ~ ( ~ ( ssList @ SY88 )
                                | ~ ~ ! [SY89: $i] :
                                        ~ ~ ( ~ ( ssList @ SY89 )
                                            | ( ( app @ ( app @ SY88 @ SY85 ) @ SY89 )
                                             != SV1 ) ) )
                    | ( segmentP @ SV1 @ SY85 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[191]) ).

thf(228,plain,
    ! [SV2: $i] :
      ( ( ~ ( ssList @ SV2 )
        | ! [SY90: $i] :
            ( ~ ( ssList @ SY90 )
            | ~ ~ ( ~ ( rearsegP @ SV2 @ SY90 )
                  | ~ ( rearsegP @ SY90 @ SV2 ) )
            | ( SV2 = SY90 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[192]) ).

thf(229,plain,
    ! [SV3: $i] :
      ( ( ~ ( ssList @ SV3 )
        | ~ ( ~ ( ~ ( segmentP @ nil @ SV3 )
                | ( nil = SV3 ) )
            | ~ ( ( nil != SV3 )
                | ( segmentP @ nil @ SV3 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[193]) ).

thf(230,plain,
    ! [SV4: $i] :
      ( ( ~ ( ssList @ SV4 )
        | ! [SY91: $i] :
            ( ~ ( ssList @ SY91 )
            | ~ ( ~ ( ~ ( frontsegP @ SV4 @ SY91 )
                    | ~ ! [SY92: $i] :
                          ~ ~ ( ~ ( ssList @ SY92 )
                              | ( ( app @ SY91 @ SY92 )
                               != SV4 ) ) )
                | ~ ( ~ ~ ! [SY93: $i] :
                            ~ ~ ( ~ ( ssList @ SY93 )
                                | ( ( app @ SY91 @ SY93 )
                                 != SV4 ) )
                    | ( frontsegP @ SV4 @ SY91 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[194]) ).

thf(231,plain,
    ! [SV5: $i] :
      ( ( ~ ( ssList @ SV5 )
        | ( segmentP @ SV5 @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[195]) ).

thf(232,plain,
    ! [SV6: $i] :
      ( ( ~ ( ssList @ SV6 )
        | ( frontsegP @ SV6 @ SV6 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[196]) ).

thf(233,plain,
    ! [SV7: $i] :
      ( ( ~ ( ssList @ SV7 )
        | ( ( app @ nil @ SV7 )
          = SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[197]) ).

thf(234,plain,
    ! [SV8: $i] :
      ( ( ~ ( ssList @ SV8 )
        | ! [SY94: $i] :
            ( ~ ( ssList @ SY94 )
            | ! [SY95: $i] :
                ( ~ ( ssList @ SY95 )
                | ~ ( rearsegP @ SV8 @ SY94 )
                | ( rearsegP @ ( app @ SY95 @ SV8 ) @ SY94 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[198]) ).

thf(235,plain,
    ! [SV9: $i] :
      ( ( ~ ( ssItem @ SV9 )
        | ! [SY96: $i] :
            ( ~ ( ssItem @ SY96 )
            | ~ ( ~ ( ~ ( neq @ SV9 @ SY96 )
                    | ( SV9 != SY96 ) )
                | ~ ( ~ ( ( SV9 != SY96 ) )
                    | ( neq @ SV9 @ SY96 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[199]) ).

thf(236,plain,
    ! [SV10: $i] :
      ( ( ~ ( ssList @ SV10 )
        | ! [SY97: $i] :
            ( ~ ( ssList @ SY97 )
            | ! [SY98: $i] :
                ( ~ ( ssList @ SY98 )
                | ~ ~ ( ~ ( frontsegP @ SV10 @ SY97 )
                      | ~ ( frontsegP @ SY97 @ SY98 ) )
                | ( frontsegP @ SV10 @ SY98 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[200]) ).

thf(237,plain,
    ! [SV11: $i] :
      ( ( ~ ( ssList @ SV11 )
        | ~ ( ~ ( ~ ( rearsegP @ nil @ SV11 )
                | ( nil = SV11 ) )
            | ~ ( ( nil != SV11 )
                | ( rearsegP @ nil @ SV11 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[201]) ).

thf(238,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ( SX0 != SX2 )
                  | ( sK1_U != SX1 )
                  | ~ ( neq @ SX0 @ nil )
                  | ~ ! [SX3: $i] :
                        ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SX3 )
                                        | ~ ( neq @ SX3 @ nil ) )
                                  | ~ ( segmentP @ SX0 @ SX3 ) )
                            | ~ ( segmentP @ sK1_U @ SX3 ) )
                  | ! [SX3: $i] :
                      ( ~ ( ssList @ SX3 )
                      | ! [SX4: $i] :
                          ( ~ ( ssList @ SX4 )
                          | ! [SX5: $i] :
                              ( ~ ( ssList @ SX5 )
                              | ( ( app @ ( app @ SX3 @ SX4 ) @ SX5 )
                               != SX1 )
                              | ( ( app @ SX3 @ SX5 )
                               != SX2 ) ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[202]) ).

thf(239,plain,
    ! [SV12: $i] :
      ( ( ~ ( ssList @ SV12 )
        | ( rearsegP @ SV12 @ SV12 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[203]) ).

thf(240,plain,
    ! [SV13: $i] :
      ( ( ~ ( ssList @ SV13 )
        | ! [SY99: $i] :
            ( ~ ( ssList @ SY99 )
            | ~ ( ~ ( ( nil
                     != ( app @ SV13 @ SY99 ) )
                    | ~ ( ( nil != SY99 )
                        | ( nil != SV13 ) ) )
                | ~ ( ~ ~ ( ( nil != SY99 )
                          | ( nil != SV13 ) )
                    | ( nil
                      = ( app @ SV13 @ SY99 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[204]) ).

thf(241,plain,
    ! [SV14: $i] :
      ( ( ~ ( ssList @ SV14 )
        | ( rearsegP @ SV14 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[205]) ).

thf(242,plain,
    ! [SV15: $i] :
      ( ( ~ ( ssList @ SV15 )
        | ! [SY100: $i] :
            ( ~ ( ssList @ SY100 )
            | ( ssList @ ( app @ SV15 @ SY100 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[206]) ).

thf(243,plain,
    ! [SV16: $i] :
      ( ( ~ ( ssList @ SV16 )
        | ! [SY101: $i] :
            ( ~ ( ssList @ SY101 )
            | ! [SY102: $i] :
                ( ~ ( ssList @ SY102 )
                | ~ ~ ( ~ ( rearsegP @ SV16 @ SY101 )
                      | ~ ( rearsegP @ SY101 @ SY102 ) )
                | ( rearsegP @ SV16 @ SY102 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[207]) ).

thf(244,plain,
    ! [SV17: $i] :
      ( ( ~ ( ssList @ SV17 )
        | ! [SY103: $i] :
            ( ~ ( ssList @ SY103 )
            | ! [SY104: $i] :
                ( ~ ( ssList @ SY104 )
                | ( ( app @ ( app @ SV17 @ SY103 ) @ SY104 )
                  = ( app @ SV17 @ ( app @ SY103 @ SY104 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[208]) ).

thf(245,plain,
    ! [SV18: $i] :
      ( ( ~ ( ssList @ SV18 )
        | ! [SY105: $i] :
            ( ~ ( ssList @ SY105 )
            | ~ ( ~ ( ~ ( rearsegP @ SV18 @ SY105 )
                    | ~ ! [SY106: $i] :
                          ~ ~ ( ~ ( ssList @ SY106 )
                              | ( ( app @ SY106 @ SY105 )
                               != SV18 ) ) )
                | ~ ( ~ ~ ! [SY107: $i] :
                            ~ ~ ( ~ ( ssList @ SY107 )
                                | ( ( app @ SY107 @ SY105 )
                                 != SV18 ) )
                    | ( rearsegP @ SV18 @ SY105 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[209]) ).

thf(246,plain,
    ! [SV19: $i] :
      ( ( ~ ( ssList @ SV19 )
        | ! [SY108: $i] :
            ( ~ ( ssList @ SY108 )
            | ~ ~ ( ~ ( segmentP @ SV19 @ SY108 )
                  | ~ ( segmentP @ SY108 @ SV19 ) )
            | ( SV19 = SY108 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[210]) ).

thf(247,plain,
    ! [SV20: $i] :
      ( ( ~ ( ssList @ SV20 )
        | ! [SY109: $i] :
            ( ~ ( ssList @ SY109 )
            | ! [SY110: $i] :
                ( ~ ( ssList @ SY110 )
                | ! [SY111: $i] :
                    ( ~ ( ssList @ SY111 )
                    | ~ ( segmentP @ SV20 @ SY109 )
                    | ( segmentP @ ( app @ ( app @ SY110 @ SV20 ) @ SY111 ) @ SY109 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[211]) ).

thf(248,plain,
    ! [SV21: $i] :
      ( ( ~ ( ssList @ SV21 )
        | ! [SY112: $i] :
            ( ~ ( ssList @ SY112 )
            | ! [SY113: $i] :
                ( ~ ( ssList @ SY113 )
                | ( ( app @ SY112 @ SY113 )
                 != ( app @ SY112 @ SV21 ) )
                | ( SY113 = SV21 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[212]) ).

thf(249,plain,
    ! [SV22: $i] :
      ( ( ~ ( ssList @ SV22 )
        | ! [SY114: $i] :
            ( ~ ( ssList @ SY114 )
            | ~ ~ ( ~ ( frontsegP @ SV22 @ SY114 )
                  | ~ ( frontsegP @ SY114 @ SV22 ) )
            | ( SV22 = SY114 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[213]) ).

thf(250,plain,
    ! [SV23: $i] :
      ( ( ~ ( ssList @ SV23 )
        | ~ ( ~ ( ~ ( frontsegP @ nil @ SV23 )
                | ( nil = SV23 ) )
            | ~ ( ( nil != SV23 )
                | ( frontsegP @ nil @ SV23 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[214]) ).

thf(251,plain,
    ! [SV24: $i] :
      ( ( ~ ( ssList @ SV24 )
        | ! [SY115: $i] :
            ( ~ ( ssList @ SY115 )
            | ~ ( ( nil != SV24 ) )
            | ( ( hd @ ( app @ SV24 @ SY115 ) )
              = ( hd @ SV24 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[215]) ).

thf(252,plain,
    ! [SV25: $i] :
      ( ( ~ ( ssList @ SV25 )
        | ! [SY116: $i] :
            ( ~ ( ssList @ SY116 )
            | ~ ( ~ ( ~ ( neq @ SV25 @ SY116 )
                    | ( SV25 != SY116 ) )
                | ~ ( ~ ( ( SV25 != SY116 ) )
                    | ( neq @ SV25 @ SY116 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[216]) ).

thf(253,plain,
    ! [SV26: $i] :
      ( ( ~ ( ssList @ SV26 )
        | ( segmentP @ SV26 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[217]) ).

thf(254,plain,
    ! [SV27: $i] :
      ( ( ~ ( ssList @ SV27 )
        | ( ( app @ SV27 @ nil )
          = SV27 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[218]) ).

thf(255,plain,
    ! [SV28: $i] :
      ( ( ~ ( ssList @ SV28 )
        | ~ ( ( nil != SV28 ) )
        | ~ ! [SY117: $i] :
              ~ ~ ( ~ ( ssList @ SY117 )
                  | ( ( tl @ SV28 )
                   != SY117 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[219]) ).

thf(256,plain,
    ! [SV29: $i] :
      ( ( ~ ( ssList @ SV29 )
        | ! [SY118: $i] :
            ( ~ ( ssList @ SY118 )
            | ! [SY119: $i] :
                ( ~ ( ssList @ SY119 )
                | ~ ( frontsegP @ SV29 @ SY118 )
                | ( frontsegP @ ( app @ SV29 @ SY119 ) @ SY118 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[220]) ).

thf(257,plain,
    ! [SV30: $i] :
      ( ( ~ ( ssList @ SV30 )
        | ( frontsegP @ SV30 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[221]) ).

thf(258,plain,
    ! [SV31: $i] :
      ( ( ~ ( ssList @ SV31 )
        | ~ ( ( nil != SV31 ) )
        | ( ssList @ ( tl @ SV31 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[222]) ).

thf(259,plain,
    ! [SV32: $i] :
      ( ( ~ ( ssList @ SV32 )
        | ! [SY120: $i] :
            ( ~ ( ssList @ SY120 )
            | ! [SY121: $i] :
                ( ~ ( ssList @ SY121 )
                | ~ ~ ( ~ ( segmentP @ SV32 @ SY120 )
                      | ~ ( segmentP @ SY120 @ SY121 ) )
                | ( segmentP @ SV32 @ SY121 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[223]) ).

thf(260,plain,
    ! [SV33: $i] :
      ( ( ~ ( ssList @ SV33 )
        | ! [SY122: $i] :
            ( ~ ( ssList @ SY122 )
            | ~ ( ( nil != SV33 ) )
            | ( ( tl @ ( app @ SV33 @ SY122 ) )
              = ( app @ ( tl @ SV33 ) @ SY122 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[224]) ).

thf(261,plain,
    ! [SV34: $i] :
      ( ( ~ ( ssList @ SV34 )
        | ! [SY123: $i] :
            ( ~ ( ssList @ SY123 )
            | ! [SY124: $i] :
                ( ~ ( ssList @ SY124 )
                | ( ( app @ SY124 @ SY123 )
                 != ( app @ SV34 @ SY123 ) )
                | ( SY124 = SV34 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[225]) ).

thf(262,plain,
    ! [SV1: $i] :
      ( ( ( ~ ( ssList @ SV1 ) )
        = $true )
      | ( ( ! [SY85: $i] :
              ( ~ ( ssList @ SY85 )
              | ~ ( ~ ( ~ ( segmentP @ SV1 @ SY85 )
                      | ~ ! [SY86: $i] :
                            ~ ~ ( ~ ( ssList @ SY86 )
                                | ~ ~ ! [SY87: $i] :
                                        ~ ~ ( ~ ( ssList @ SY87 )
                                            | ( ( app @ ( app @ SY86 @ SY85 ) @ SY87 )
                                             != SV1 ) ) ) )
                  | ~ ( ~ ~ ! [SY88: $i] :
                              ~ ~ ( ~ ( ssList @ SY88 )
                                  | ~ ~ ! [SY89: $i] :
                                          ~ ~ ( ~ ( ssList @ SY89 )
                                              | ( ( app @ ( app @ SY88 @ SY85 ) @ SY89 )
                                               != SV1 ) ) )
                      | ( segmentP @ SV1 @ SY85 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[227]) ).

thf(263,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( ssList @ SV2 ) )
        = $true )
      | ( ( ! [SY90: $i] :
              ( ~ ( ssList @ SY90 )
              | ~ ~ ( ~ ( rearsegP @ SV2 @ SY90 )
                    | ~ ( rearsegP @ SY90 @ SV2 ) )
              | ( SV2 = SY90 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[228]) ).

thf(264,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( ssList @ SV3 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( segmentP @ nil @ SV3 )
                  | ( nil = SV3 ) )
              | ~ ( ( nil != SV3 )
                  | ( segmentP @ nil @ SV3 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[229]) ).

thf(265,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( ssList @ SV4 ) )
        = $true )
      | ( ( ! [SY91: $i] :
              ( ~ ( ssList @ SY91 )
              | ~ ( ~ ( ~ ( frontsegP @ SV4 @ SY91 )
                      | ~ ! [SY92: $i] :
                            ~ ~ ( ~ ( ssList @ SY92 )
                                | ( ( app @ SY91 @ SY92 )
                                 != SV4 ) ) )
                  | ~ ( ~ ~ ! [SY93: $i] :
                              ~ ~ ( ~ ( ssList @ SY93 )
                                  | ( ( app @ SY91 @ SY93 )
                                   != SV4 ) )
                      | ( frontsegP @ SV4 @ SY91 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[230]) ).

thf(266,plain,
    ! [SV5: $i] :
      ( ( ( ~ ( ssList @ SV5 ) )
        = $true )
      | ( ( segmentP @ SV5 @ SV5 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[231]) ).

thf(267,plain,
    ! [SV6: $i] :
      ( ( ( ~ ( ssList @ SV6 ) )
        = $true )
      | ( ( frontsegP @ SV6 @ SV6 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[232]) ).

thf(268,plain,
    ! [SV7: $i] :
      ( ( ( ~ ( ssList @ SV7 ) )
        = $true )
      | ( ( ( app @ nil @ SV7 )
          = SV7 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[233]) ).

thf(269,plain,
    ! [SV8: $i] :
      ( ( ( ~ ( ssList @ SV8 ) )
        = $true )
      | ( ( ! [SY94: $i] :
              ( ~ ( ssList @ SY94 )
              | ! [SY95: $i] :
                  ( ~ ( ssList @ SY95 )
                  | ~ ( rearsegP @ SV8 @ SY94 )
                  | ( rearsegP @ ( app @ SY95 @ SV8 ) @ SY94 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[234]) ).

thf(270,plain,
    ! [SV9: $i] :
      ( ( ( ~ ( ssItem @ SV9 ) )
        = $true )
      | ( ( ! [SY96: $i] :
              ( ~ ( ssItem @ SY96 )
              | ~ ( ~ ( ~ ( neq @ SV9 @ SY96 )
                      | ( SV9 != SY96 ) )
                  | ~ ( ~ ( ( SV9 != SY96 ) )
                      | ( neq @ SV9 @ SY96 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[235]) ).

thf(271,plain,
    ! [SV10: $i] :
      ( ( ( ~ ( ssList @ SV10 ) )
        = $true )
      | ( ( ! [SY97: $i] :
              ( ~ ( ssList @ SY97 )
              | ! [SY98: $i] :
                  ( ~ ( ssList @ SY98 )
                  | ~ ~ ( ~ ( frontsegP @ SV10 @ SY97 )
                        | ~ ( frontsegP @ SY97 @ SY98 ) )
                  | ( frontsegP @ SV10 @ SY98 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[236]) ).

thf(272,plain,
    ! [SV11: $i] :
      ( ( ( ~ ( ssList @ SV11 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( rearsegP @ nil @ SV11 )
                  | ( nil = SV11 ) )
              | ~ ( ( nil != SV11 )
                  | ( rearsegP @ nil @ SV11 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[237]) ).

thf(273,plain,
    ( ( ~ ( ssList @ sK2_SX0 )
      | ! [SY125: $i] :
          ( ~ ( ssList @ SY125 )
          | ! [SY126: $i] :
              ( ~ ( ssList @ SY126 )
              | ( sK2_SX0 != SY126 )
              | ( sK1_U != SY125 )
              | ~ ( neq @ sK2_SX0 @ nil )
              | ~ ! [SY127: $i] :
                    ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SY127 )
                                    | ~ ( neq @ SY127 @ nil ) )
                              | ~ ( segmentP @ sK2_SX0 @ SY127 ) )
                        | ~ ( segmentP @ sK1_U @ SY127 ) )
              | ! [SX3: $i] :
                  ( ~ ( ssList @ SX3 )
                  | ! [SX4: $i] :
                      ( ~ ( ssList @ SX4 )
                      | ! [SX5: $i] :
                          ( ~ ( ssList @ SX5 )
                          | ( ( app @ ( app @ SX3 @ SX4 ) @ SX5 )
                           != SY125 )
                          | ( ( app @ SX3 @ SX5 )
                           != SY126 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[238]) ).

thf(274,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( ssList @ SV12 ) )
        = $true )
      | ( ( rearsegP @ SV12 @ SV12 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[239]) ).

thf(275,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssList @ SV13 ) )
        = $true )
      | ( ( ! [SY99: $i] :
              ( ~ ( ssList @ SY99 )
              | ~ ( ~ ( ( nil
                       != ( app @ SV13 @ SY99 ) )
                      | ~ ( ( nil != SY99 )
                          | ( nil != SV13 ) ) )
                  | ~ ( ~ ~ ( ( nil != SY99 )
                            | ( nil != SV13 ) )
                      | ( nil
                        = ( app @ SV13 @ SY99 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[240]) ).

thf(276,plain,
    ! [SV14: $i] :
      ( ( ( ~ ( ssList @ SV14 ) )
        = $true )
      | ( ( rearsegP @ SV14 @ nil )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[241]) ).

thf(277,plain,
    ! [SV15: $i] :
      ( ( ( ~ ( ssList @ SV15 ) )
        = $true )
      | ( ( ! [SY100: $i] :
              ( ~ ( ssList @ SY100 )
              | ( ssList @ ( app @ SV15 @ SY100 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[242]) ).

thf(278,plain,
    ! [SV16: $i] :
      ( ( ( ~ ( ssList @ SV16 ) )
        = $true )
      | ( ( ! [SY101: $i] :
              ( ~ ( ssList @ SY101 )
              | ! [SY102: $i] :
                  ( ~ ( ssList @ SY102 )
                  | ~ ~ ( ~ ( rearsegP @ SV16 @ SY101 )
                        | ~ ( rearsegP @ SY101 @ SY102 ) )
                  | ( rearsegP @ SV16 @ SY102 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[243]) ).

thf(279,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssList @ SV17 ) )
        = $true )
      | ( ( ! [SY103: $i] :
              ( ~ ( ssList @ SY103 )
              | ! [SY104: $i] :
                  ( ~ ( ssList @ SY104 )
                  | ( ( app @ ( app @ SV17 @ SY103 ) @ SY104 )
                    = ( app @ SV17 @ ( app @ SY103 @ SY104 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[244]) ).

thf(280,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssList @ SV18 ) )
        = $true )
      | ( ( ! [SY105: $i] :
              ( ~ ( ssList @ SY105 )
              | ~ ( ~ ( ~ ( rearsegP @ SV18 @ SY105 )
                      | ~ ! [SY106: $i] :
                            ~ ~ ( ~ ( ssList @ SY106 )
                                | ( ( app @ SY106 @ SY105 )
                                 != SV18 ) ) )
                  | ~ ( ~ ~ ! [SY107: $i] :
                              ~ ~ ( ~ ( ssList @ SY107 )
                                  | ( ( app @ SY107 @ SY105 )
                                   != SV18 ) )
                      | ( rearsegP @ SV18 @ SY105 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[245]) ).

thf(281,plain,
    ! [SV19: $i] :
      ( ( ( ~ ( ssList @ SV19 ) )
        = $true )
      | ( ( ! [SY108: $i] :
              ( ~ ( ssList @ SY108 )
              | ~ ~ ( ~ ( segmentP @ SV19 @ SY108 )
                    | ~ ( segmentP @ SY108 @ SV19 ) )
              | ( SV19 = SY108 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[246]) ).

thf(282,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssList @ SV20 ) )
        = $true )
      | ( ( ! [SY109: $i] :
              ( ~ ( ssList @ SY109 )
              | ! [SY110: $i] :
                  ( ~ ( ssList @ SY110 )
                  | ! [SY111: $i] :
                      ( ~ ( ssList @ SY111 )
                      | ~ ( segmentP @ SV20 @ SY109 )
                      | ( segmentP @ ( app @ ( app @ SY110 @ SV20 ) @ SY111 ) @ SY109 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[247]) ).

thf(283,plain,
    ! [SV21: $i] :
      ( ( ( ~ ( ssList @ SV21 ) )
        = $true )
      | ( ( ! [SY112: $i] :
              ( ~ ( ssList @ SY112 )
              | ! [SY113: $i] :
                  ( ~ ( ssList @ SY113 )
                  | ( ( app @ SY112 @ SY113 )
                   != ( app @ SY112 @ SV21 ) )
                  | ( SY113 = SV21 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[248]) ).

thf(284,plain,
    ! [SV22: $i] :
      ( ( ( ~ ( ssList @ SV22 ) )
        = $true )
      | ( ( ! [SY114: $i] :
              ( ~ ( ssList @ SY114 )
              | ~ ~ ( ~ ( frontsegP @ SV22 @ SY114 )
                    | ~ ( frontsegP @ SY114 @ SV22 ) )
              | ( SV22 = SY114 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[249]) ).

thf(285,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( ssList @ SV23 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ nil @ SV23 )
                  | ( nil = SV23 ) )
              | ~ ( ( nil != SV23 )
                  | ( frontsegP @ nil @ SV23 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[250]) ).

thf(286,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( ssList @ SV24 ) )
        = $true )
      | ( ( ! [SY115: $i] :
              ( ~ ( ssList @ SY115 )
              | ~ ( ( nil != SV24 ) )
              | ( ( hd @ ( app @ SV24 @ SY115 ) )
                = ( hd @ SV24 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[251]) ).

thf(287,plain,
    ! [SV25: $i] :
      ( ( ( ~ ( ssList @ SV25 ) )
        = $true )
      | ( ( ! [SY116: $i] :
              ( ~ ( ssList @ SY116 )
              | ~ ( ~ ( ~ ( neq @ SV25 @ SY116 )
                      | ( SV25 != SY116 ) )
                  | ~ ( ~ ( ( SV25 != SY116 ) )
                      | ( neq @ SV25 @ SY116 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[252]) ).

thf(288,plain,
    ! [SV26: $i] :
      ( ( ( ~ ( ssList @ SV26 ) )
        = $true )
      | ( ( segmentP @ SV26 @ nil )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[253]) ).

thf(289,plain,
    ! [SV27: $i] :
      ( ( ( ~ ( ssList @ SV27 ) )
        = $true )
      | ( ( ( app @ SV27 @ nil )
          = SV27 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[254]) ).

thf(290,plain,
    ! [SV28: $i] :
      ( ( ( ~ ( ssList @ SV28 ) )
        = $true )
      | ( ( ~ ( ( nil != SV28 ) )
          | ~ ! [SY117: $i] :
                ~ ~ ( ~ ( ssList @ SY117 )
                    | ( ( tl @ SV28 )
                     != SY117 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[255]) ).

thf(291,plain,
    ! [SV29: $i] :
      ( ( ( ~ ( ssList @ SV29 ) )
        = $true )
      | ( ( ! [SY118: $i] :
              ( ~ ( ssList @ SY118 )
              | ! [SY119: $i] :
                  ( ~ ( ssList @ SY119 )
                  | ~ ( frontsegP @ SV29 @ SY118 )
                  | ( frontsegP @ ( app @ SV29 @ SY119 ) @ SY118 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[256]) ).

thf(292,plain,
    ! [SV30: $i] :
      ( ( ( ~ ( ssList @ SV30 ) )
        = $true )
      | ( ( frontsegP @ SV30 @ nil )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[257]) ).

thf(293,plain,
    ! [SV31: $i] :
      ( ( ( ~ ( ssList @ SV31 ) )
        = $true )
      | ( ( ~ ( ( nil != SV31 ) )
          | ( ssList @ ( tl @ SV31 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[258]) ).

thf(294,plain,
    ! [SV32: $i] :
      ( ( ( ~ ( ssList @ SV32 ) )
        = $true )
      | ( ( ! [SY120: $i] :
              ( ~ ( ssList @ SY120 )
              | ! [SY121: $i] :
                  ( ~ ( ssList @ SY121 )
                  | ~ ~ ( ~ ( segmentP @ SV32 @ SY120 )
                        | ~ ( segmentP @ SY120 @ SY121 ) )
                  | ( segmentP @ SV32 @ SY121 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[259]) ).

thf(295,plain,
    ! [SV33: $i] :
      ( ( ( ~ ( ssList @ SV33 ) )
        = $true )
      | ( ( ! [SY122: $i] :
              ( ~ ( ssList @ SY122 )
              | ~ ( ( nil != SV33 ) )
              | ( ( tl @ ( app @ SV33 @ SY122 ) )
                = ( app @ ( tl @ SV33 ) @ SY122 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[260]) ).

thf(296,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( ssList @ SV34 ) )
        = $true )
      | ( ( ! [SY123: $i] :
              ( ~ ( ssList @ SY123 )
              | ! [SY124: $i] :
                  ( ~ ( ssList @ SY124 )
                  | ( ( app @ SY124 @ SY123 )
                   != ( app @ SV34 @ SY123 ) )
                  | ( SY124 = SV34 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[261]) ).

thf(297,plain,
    ! [SV1: $i] :
      ( ( ( ssList @ SV1 )
        = $false )
      | ( ( ! [SY85: $i] :
              ( ~ ( ssList @ SY85 )
              | ~ ( ~ ( ~ ( segmentP @ SV1 @ SY85 )
                      | ~ ! [SY86: $i] :
                            ~ ~ ( ~ ( ssList @ SY86 )
                                | ~ ~ ! [SY87: $i] :
                                        ~ ~ ( ~ ( ssList @ SY87 )
                                            | ( ( app @ ( app @ SY86 @ SY85 ) @ SY87 )
                                             != SV1 ) ) ) )
                  | ~ ( ~ ~ ! [SY88: $i] :
                              ~ ~ ( ~ ( ssList @ SY88 )
                                  | ~ ~ ! [SY89: $i] :
                                          ~ ~ ( ~ ( ssList @ SY89 )
                                              | ( ( app @ ( app @ SY88 @ SY85 ) @ SY89 )
                                               != SV1 ) ) )
                      | ( segmentP @ SV1 @ SY85 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[262]) ).

thf(298,plain,
    ! [SV2: $i] :
      ( ( ( ssList @ SV2 )
        = $false )
      | ( ( ! [SY90: $i] :
              ( ~ ( ssList @ SY90 )
              | ~ ~ ( ~ ( rearsegP @ SV2 @ SY90 )
                    | ~ ( rearsegP @ SY90 @ SV2 ) )
              | ( SV2 = SY90 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[263]) ).

thf(299,plain,
    ! [SV3: $i] :
      ( ( ( ssList @ SV3 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( segmentP @ nil @ SV3 )
                  | ( nil = SV3 ) )
              | ~ ( ( nil != SV3 )
                  | ( segmentP @ nil @ SV3 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[264]) ).

thf(300,plain,
    ! [SV4: $i] :
      ( ( ( ssList @ SV4 )
        = $false )
      | ( ( ! [SY91: $i] :
              ( ~ ( ssList @ SY91 )
              | ~ ( ~ ( ~ ( frontsegP @ SV4 @ SY91 )
                      | ~ ! [SY92: $i] :
                            ~ ~ ( ~ ( ssList @ SY92 )
                                | ( ( app @ SY91 @ SY92 )
                                 != SV4 ) ) )
                  | ~ ( ~ ~ ! [SY93: $i] :
                              ~ ~ ( ~ ( ssList @ SY93 )
                                  | ( ( app @ SY91 @ SY93 )
                                   != SV4 ) )
                      | ( frontsegP @ SV4 @ SY91 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[265]) ).

thf(301,plain,
    ! [SV5: $i] :
      ( ( ( ssList @ SV5 )
        = $false )
      | ( ( segmentP @ SV5 @ SV5 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[266]) ).

thf(302,plain,
    ! [SV6: $i] :
      ( ( ( ssList @ SV6 )
        = $false )
      | ( ( frontsegP @ SV6 @ SV6 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[267]) ).

thf(303,plain,
    ! [SV7: $i] :
      ( ( ( ssList @ SV7 )
        = $false )
      | ( ( ( app @ nil @ SV7 )
          = SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[268]) ).

thf(304,plain,
    ! [SV8: $i] :
      ( ( ( ssList @ SV8 )
        = $false )
      | ( ( ! [SY94: $i] :
              ( ~ ( ssList @ SY94 )
              | ! [SY95: $i] :
                  ( ~ ( ssList @ SY95 )
                  | ~ ( rearsegP @ SV8 @ SY94 )
                  | ( rearsegP @ ( app @ SY95 @ SV8 ) @ SY94 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[269]) ).

thf(305,plain,
    ! [SV9: $i] :
      ( ( ( ssItem @ SV9 )
        = $false )
      | ( ( ! [SY96: $i] :
              ( ~ ( ssItem @ SY96 )
              | ~ ( ~ ( ~ ( neq @ SV9 @ SY96 )
                      | ( SV9 != SY96 ) )
                  | ~ ( ~ ( ( SV9 != SY96 ) )
                      | ( neq @ SV9 @ SY96 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[270]) ).

thf(306,plain,
    ! [SV10: $i] :
      ( ( ( ssList @ SV10 )
        = $false )
      | ( ( ! [SY97: $i] :
              ( ~ ( ssList @ SY97 )
              | ! [SY98: $i] :
                  ( ~ ( ssList @ SY98 )
                  | ~ ~ ( ~ ( frontsegP @ SV10 @ SY97 )
                        | ~ ( frontsegP @ SY97 @ SY98 ) )
                  | ( frontsegP @ SV10 @ SY98 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[271]) ).

thf(307,plain,
    ! [SV11: $i] :
      ( ( ( ssList @ SV11 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( rearsegP @ nil @ SV11 )
                  | ( nil = SV11 ) )
              | ~ ( ( nil != SV11 )
                  | ( rearsegP @ nil @ SV11 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[272]) ).

thf(308,plain,
    ( ( ~ ( ssList @ sK2_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[273]) ).

thf(309,plain,
    ( ( ! [SY125: $i] :
          ( ~ ( ssList @ SY125 )
          | ! [SY126: $i] :
              ( ~ ( ssList @ SY126 )
              | ( sK2_SX0 != SY126 )
              | ( sK1_U != SY125 )
              | ~ ( neq @ sK2_SX0 @ nil )
              | ~ ! [SY127: $i] :
                    ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SY127 )
                                    | ~ ( neq @ SY127 @ nil ) )
                              | ~ ( segmentP @ sK2_SX0 @ SY127 ) )
                        | ~ ( segmentP @ sK1_U @ SY127 ) )
              | ! [SX3: $i] :
                  ( ~ ( ssList @ SX3 )
                  | ! [SX4: $i] :
                      ( ~ ( ssList @ SX4 )
                      | ! [SX5: $i] :
                          ( ~ ( ssList @ SX5 )
                          | ( ( app @ ( app @ SX3 @ SX4 ) @ SX5 )
                           != SY125 )
                          | ( ( app @ SX3 @ SX5 )
                           != SY126 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[273]) ).

thf(310,plain,
    ! [SV12: $i] :
      ( ( ( ssList @ SV12 )
        = $false )
      | ( ( rearsegP @ SV12 @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[274]) ).

thf(311,plain,
    ! [SV13: $i] :
      ( ( ( ssList @ SV13 )
        = $false )
      | ( ( ! [SY99: $i] :
              ( ~ ( ssList @ SY99 )
              | ~ ( ~ ( ( nil
                       != ( app @ SV13 @ SY99 ) )
                      | ~ ( ( nil != SY99 )
                          | ( nil != SV13 ) ) )
                  | ~ ( ~ ~ ( ( nil != SY99 )
                            | ( nil != SV13 ) )
                      | ( nil
                        = ( app @ SV13 @ SY99 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[275]) ).

thf(312,plain,
    ! [SV14: $i] :
      ( ( ( ssList @ SV14 )
        = $false )
      | ( ( rearsegP @ SV14 @ nil )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[276]) ).

thf(313,plain,
    ! [SV15: $i] :
      ( ( ( ssList @ SV15 )
        = $false )
      | ( ( ! [SY100: $i] :
              ( ~ ( ssList @ SY100 )
              | ( ssList @ ( app @ SV15 @ SY100 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[277]) ).

thf(314,plain,
    ! [SV16: $i] :
      ( ( ( ssList @ SV16 )
        = $false )
      | ( ( ! [SY101: $i] :
              ( ~ ( ssList @ SY101 )
              | ! [SY102: $i] :
                  ( ~ ( ssList @ SY102 )
                  | ~ ~ ( ~ ( rearsegP @ SV16 @ SY101 )
                        | ~ ( rearsegP @ SY101 @ SY102 ) )
                  | ( rearsegP @ SV16 @ SY102 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[278]) ).

thf(315,plain,
    ! [SV17: $i] :
      ( ( ( ssList @ SV17 )
        = $false )
      | ( ( ! [SY103: $i] :
              ( ~ ( ssList @ SY103 )
              | ! [SY104: $i] :
                  ( ~ ( ssList @ SY104 )
                  | ( ( app @ ( app @ SV17 @ SY103 ) @ SY104 )
                    = ( app @ SV17 @ ( app @ SY103 @ SY104 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[279]) ).

thf(316,plain,
    ! [SV18: $i] :
      ( ( ( ssList @ SV18 )
        = $false )
      | ( ( ! [SY105: $i] :
              ( ~ ( ssList @ SY105 )
              | ~ ( ~ ( ~ ( rearsegP @ SV18 @ SY105 )
                      | ~ ! [SY106: $i] :
                            ~ ~ ( ~ ( ssList @ SY106 )
                                | ( ( app @ SY106 @ SY105 )
                                 != SV18 ) ) )
                  | ~ ( ~ ~ ! [SY107: $i] :
                              ~ ~ ( ~ ( ssList @ SY107 )
                                  | ( ( app @ SY107 @ SY105 )
                                   != SV18 ) )
                      | ( rearsegP @ SV18 @ SY105 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[280]) ).

thf(317,plain,
    ! [SV19: $i] :
      ( ( ( ssList @ SV19 )
        = $false )
      | ( ( ! [SY108: $i] :
              ( ~ ( ssList @ SY108 )
              | ~ ~ ( ~ ( segmentP @ SV19 @ SY108 )
                    | ~ ( segmentP @ SY108 @ SV19 ) )
              | ( SV19 = SY108 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[281]) ).

thf(318,plain,
    ! [SV20: $i] :
      ( ( ( ssList @ SV20 )
        = $false )
      | ( ( ! [SY109: $i] :
              ( ~ ( ssList @ SY109 )
              | ! [SY110: $i] :
                  ( ~ ( ssList @ SY110 )
                  | ! [SY111: $i] :
                      ( ~ ( ssList @ SY111 )
                      | ~ ( segmentP @ SV20 @ SY109 )
                      | ( segmentP @ ( app @ ( app @ SY110 @ SV20 ) @ SY111 ) @ SY109 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[282]) ).

thf(319,plain,
    ! [SV21: $i] :
      ( ( ( ssList @ SV21 )
        = $false )
      | ( ( ! [SY112: $i] :
              ( ~ ( ssList @ SY112 )
              | ! [SY113: $i] :
                  ( ~ ( ssList @ SY113 )
                  | ( ( app @ SY112 @ SY113 )
                   != ( app @ SY112 @ SV21 ) )
                  | ( SY113 = SV21 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[283]) ).

thf(320,plain,
    ! [SV22: $i] :
      ( ( ( ssList @ SV22 )
        = $false )
      | ( ( ! [SY114: $i] :
              ( ~ ( ssList @ SY114 )
              | ~ ~ ( ~ ( frontsegP @ SV22 @ SY114 )
                    | ~ ( frontsegP @ SY114 @ SV22 ) )
              | ( SV22 = SY114 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[284]) ).

thf(321,plain,
    ! [SV23: $i] :
      ( ( ( ssList @ SV23 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ nil @ SV23 )
                  | ( nil = SV23 ) )
              | ~ ( ( nil != SV23 )
                  | ( frontsegP @ nil @ SV23 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[285]) ).

thf(322,plain,
    ! [SV24: $i] :
      ( ( ( ssList @ SV24 )
        = $false )
      | ( ( ! [SY115: $i] :
              ( ~ ( ssList @ SY115 )
              | ~ ( ( nil != SV24 ) )
              | ( ( hd @ ( app @ SV24 @ SY115 ) )
                = ( hd @ SV24 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[286]) ).

thf(323,plain,
    ! [SV25: $i] :
      ( ( ( ssList @ SV25 )
        = $false )
      | ( ( ! [SY116: $i] :
              ( ~ ( ssList @ SY116 )
              | ~ ( ~ ( ~ ( neq @ SV25 @ SY116 )
                      | ( SV25 != SY116 ) )
                  | ~ ( ~ ( ( SV25 != SY116 ) )
                      | ( neq @ SV25 @ SY116 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[287]) ).

thf(324,plain,
    ! [SV26: $i] :
      ( ( ( ssList @ SV26 )
        = $false )
      | ( ( segmentP @ SV26 @ nil )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[288]) ).

thf(325,plain,
    ! [SV27: $i] :
      ( ( ( ssList @ SV27 )
        = $false )
      | ( ( ( app @ SV27 @ nil )
          = SV27 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[289]) ).

thf(326,plain,
    ! [SV28: $i] :
      ( ( ( ssList @ SV28 )
        = $false )
      | ( ( ~ ( ( nil != SV28 ) )
          | ~ ! [SY117: $i] :
                ~ ~ ( ~ ( ssList @ SY117 )
                    | ( ( tl @ SV28 )
                     != SY117 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[290]) ).

thf(327,plain,
    ! [SV29: $i] :
      ( ( ( ssList @ SV29 )
        = $false )
      | ( ( ! [SY118: $i] :
              ( ~ ( ssList @ SY118 )
              | ! [SY119: $i] :
                  ( ~ ( ssList @ SY119 )
                  | ~ ( frontsegP @ SV29 @ SY118 )
                  | ( frontsegP @ ( app @ SV29 @ SY119 ) @ SY118 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[291]) ).

thf(328,plain,
    ! [SV30: $i] :
      ( ( ( ssList @ SV30 )
        = $false )
      | ( ( frontsegP @ SV30 @ nil )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[292]) ).

thf(329,plain,
    ! [SV31: $i] :
      ( ( ( ssList @ SV31 )
        = $false )
      | ( ( ~ ( ( nil != SV31 ) )
          | ( ssList @ ( tl @ SV31 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[293]) ).

thf(330,plain,
    ! [SV32: $i] :
      ( ( ( ssList @ SV32 )
        = $false )
      | ( ( ! [SY120: $i] :
              ( ~ ( ssList @ SY120 )
              | ! [SY121: $i] :
                  ( ~ ( ssList @ SY121 )
                  | ~ ~ ( ~ ( segmentP @ SV32 @ SY120 )
                        | ~ ( segmentP @ SY120 @ SY121 ) )
                  | ( segmentP @ SV32 @ SY121 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[294]) ).

thf(331,plain,
    ! [SV33: $i] :
      ( ( ( ssList @ SV33 )
        = $false )
      | ( ( ! [SY122: $i] :
              ( ~ ( ssList @ SY122 )
              | ~ ( ( nil != SV33 ) )
              | ( ( tl @ ( app @ SV33 @ SY122 ) )
                = ( app @ ( tl @ SV33 ) @ SY122 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[295]) ).

thf(332,plain,
    ! [SV34: $i] :
      ( ( ( ssList @ SV34 )
        = $false )
      | ( ( ! [SY123: $i] :
              ( ~ ( ssList @ SY123 )
              | ! [SY124: $i] :
                  ( ~ ( ssList @ SY124 )
                  | ( ( app @ SY124 @ SY123 )
                   != ( app @ SV34 @ SY123 ) )
                  | ( SY124 = SV34 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[296]) ).

thf(333,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ( ssList @ SV35 )
          | ~ ( ~ ( ~ ( segmentP @ SV1 @ SV35 )
                  | ~ ! [SY131: $i] :
                        ~ ~ ( ~ ( ssList @ SY131 )
                            | ~ ~ ! [SY132: $i] :
                                    ~ ~ ( ~ ( ssList @ SY132 )
                                        | ( ( app @ ( app @ SY131 @ SV35 ) @ SY132 )
                                         != SV1 ) ) ) )
              | ~ ( ~ ~ ! [SY133: $i] :
                          ~ ~ ( ~ ( ssList @ SY133 )
                              | ~ ~ ! [SY134: $i] :
                                      ~ ~ ( ~ ( ssList @ SY134 )
                                          | ( ( app @ ( app @ SY133 @ SV35 ) @ SY134 )
                                           != SV1 ) ) )
                  | ( segmentP @ SV1 @ SV35 ) ) ) )
        = $true )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[297]) ).

thf(334,plain,
    ! [SV2: $i,SV36: $i] :
      ( ( ( ~ ( ssList @ SV36 )
          | ~ ~ ( ~ ( rearsegP @ SV2 @ SV36 )
                | ~ ( rearsegP @ SV36 @ SV2 ) )
          | ( SV2 = SV36 ) )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[298]) ).

thf(335,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( ~ ( segmentP @ nil @ SV3 )
              | ( nil = SV3 ) )
          | ~ ( ( nil != SV3 )
              | ( segmentP @ nil @ SV3 ) ) )
        = $false )
      | ( ( ssList @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[299]) ).

thf(336,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ~ ( ssList @ SV37 )
          | ~ ( ~ ( ~ ( frontsegP @ SV4 @ SV37 )
                  | ~ ! [SY135: $i] :
                        ~ ~ ( ~ ( ssList @ SY135 )
                            | ( ( app @ SV37 @ SY135 )
                             != SV4 ) ) )
              | ~ ( ~ ~ ! [SY136: $i] :
                          ~ ~ ( ~ ( ssList @ SY136 )
                              | ( ( app @ SV37 @ SY136 )
                               != SV4 ) )
                  | ( frontsegP @ SV4 @ SV37 ) ) ) )
        = $true )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[300]) ).

thf(337,plain,
    ! [SV8: $i,SV38: $i] :
      ( ( ( ~ ( ssList @ SV38 )
          | ! [SY137: $i] :
              ( ~ ( ssList @ SY137 )
              | ~ ( rearsegP @ SV8 @ SV38 )
              | ( rearsegP @ ( app @ SY137 @ SV8 ) @ SV38 ) ) )
        = $true )
      | ( ( ssList @ SV8 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[304]) ).

thf(338,plain,
    ! [SV9: $i,SV39: $i] :
      ( ( ( ~ ( ssItem @ SV39 )
          | ~ ( ~ ( ~ ( neq @ SV9 @ SV39 )
                  | ( SV9 != SV39 ) )
              | ~ ( ~ ( ( SV9 != SV39 ) )
                  | ( neq @ SV9 @ SV39 ) ) ) )
        = $true )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[305]) ).

thf(339,plain,
    ! [SV10: $i,SV40: $i] :
      ( ( ( ~ ( ssList @ SV40 )
          | ! [SY138: $i] :
              ( ~ ( ssList @ SY138 )
              | ~ ~ ( ~ ( frontsegP @ SV10 @ SV40 )
                    | ~ ( frontsegP @ SV40 @ SY138 ) )
              | ( frontsegP @ SV10 @ SY138 ) ) )
        = $true )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[306]) ).

thf(340,plain,
    ! [SV11: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ nil @ SV11 )
              | ( nil = SV11 ) )
          | ~ ( ( nil != SV11 )
              | ( rearsegP @ nil @ SV11 ) ) )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[307]) ).

thf(341,plain,
    ( ( ssList @ sK2_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[308]) ).

thf(342,plain,
    ( ( ~ ( ssList @ sK3_SY125 )
      | ! [SY139: $i] :
          ( ~ ( ssList @ SY139 )
          | ( sK2_SX0 != SY139 )
          | ( sK1_U != sK3_SY125 )
          | ~ ( neq @ sK2_SX0 @ nil )
          | ~ ! [SY127: $i] :
                ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SY127 )
                                | ~ ( neq @ SY127 @ nil ) )
                          | ~ ( segmentP @ sK2_SX0 @ SY127 ) )
                    | ~ ( segmentP @ sK1_U @ SY127 ) )
          | ! [SY141: $i] :
              ( ~ ( ssList @ SY141 )
              | ! [SY142: $i] :
                  ( ~ ( ssList @ SY142 )
                  | ! [SY143: $i] :
                      ( ~ ( ssList @ SY143 )
                      | ( ( app @ ( app @ SY141 @ SY142 ) @ SY143 )
                       != sK3_SY125 )
                      | ( ( app @ SY141 @ SY143 )
                       != SY139 ) ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[309]) ).

thf(343,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( ~ ( ssList @ SV41 )
          | ~ ( ~ ( ( nil
                   != ( app @ SV13 @ SV41 ) )
                  | ~ ( ( nil != SV41 )
                      | ( nil != SV13 ) ) )
              | ~ ( ~ ~ ( ( nil != SV41 )
                        | ( nil != SV13 ) )
                  | ( nil
                    = ( app @ SV13 @ SV41 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[311]) ).

thf(344,plain,
    ! [SV15: $i,SV42: $i] :
      ( ( ( ~ ( ssList @ SV42 )
          | ( ssList @ ( app @ SV15 @ SV42 ) ) )
        = $true )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[313]) ).

thf(345,plain,
    ! [SV16: $i,SV43: $i] :
      ( ( ( ~ ( ssList @ SV43 )
          | ! [SY144: $i] :
              ( ~ ( ssList @ SY144 )
              | ~ ~ ( ~ ( rearsegP @ SV16 @ SV43 )
                    | ~ ( rearsegP @ SV43 @ SY144 ) )
              | ( rearsegP @ SV16 @ SY144 ) ) )
        = $true )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[314]) ).

thf(346,plain,
    ! [SV17: $i,SV44: $i] :
      ( ( ( ~ ( ssList @ SV44 )
          | ! [SY145: $i] :
              ( ~ ( ssList @ SY145 )
              | ( ( app @ ( app @ SV17 @ SV44 ) @ SY145 )
                = ( app @ SV17 @ ( app @ SV44 @ SY145 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[315]) ).

thf(347,plain,
    ! [SV18: $i,SV45: $i] :
      ( ( ( ~ ( ssList @ SV45 )
          | ~ ( ~ ( ~ ( rearsegP @ SV18 @ SV45 )
                  | ~ ! [SY146: $i] :
                        ~ ~ ( ~ ( ssList @ SY146 )
                            | ( ( app @ SY146 @ SV45 )
                             != SV18 ) ) )
              | ~ ( ~ ~ ! [SY147: $i] :
                          ~ ~ ( ~ ( ssList @ SY147 )
                              | ( ( app @ SY147 @ SV45 )
                               != SV18 ) )
                  | ( rearsegP @ SV18 @ SV45 ) ) ) )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[316]) ).

thf(348,plain,
    ! [SV19: $i,SV46: $i] :
      ( ( ( ~ ( ssList @ SV46 )
          | ~ ~ ( ~ ( segmentP @ SV19 @ SV46 )
                | ~ ( segmentP @ SV46 @ SV19 ) )
          | ( SV19 = SV46 ) )
        = $true )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[317]) ).

thf(349,plain,
    ! [SV20: $i,SV47: $i] :
      ( ( ( ~ ( ssList @ SV47 )
          | ! [SY148: $i] :
              ( ~ ( ssList @ SY148 )
              | ! [SY149: $i] :
                  ( ~ ( ssList @ SY149 )
                  | ~ ( segmentP @ SV20 @ SV47 )
                  | ( segmentP @ ( app @ ( app @ SY148 @ SV20 ) @ SY149 ) @ SV47 ) ) ) )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[318]) ).

thf(350,plain,
    ! [SV21: $i,SV48: $i] :
      ( ( ( ~ ( ssList @ SV48 )
          | ! [SY150: $i] :
              ( ~ ( ssList @ SY150 )
              | ( ( app @ SV48 @ SY150 )
               != ( app @ SV48 @ SV21 ) )
              | ( SY150 = SV21 ) ) )
        = $true )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[319]) ).

thf(351,plain,
    ! [SV22: $i,SV49: $i] :
      ( ( ( ~ ( ssList @ SV49 )
          | ~ ~ ( ~ ( frontsegP @ SV22 @ SV49 )
                | ~ ( frontsegP @ SV49 @ SV22 ) )
          | ( SV22 = SV49 ) )
        = $true )
      | ( ( ssList @ SV22 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[320]) ).

thf(352,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ nil @ SV23 )
              | ( nil = SV23 ) )
          | ~ ( ( nil != SV23 )
              | ( frontsegP @ nil @ SV23 ) ) )
        = $false )
      | ( ( ssList @ SV23 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[321]) ).

thf(353,plain,
    ! [SV24: $i,SV50: $i] :
      ( ( ( ~ ( ssList @ SV50 )
          | ~ ( ( nil != SV24 ) )
          | ( ( hd @ ( app @ SV24 @ SV50 ) )
            = ( hd @ SV24 ) ) )
        = $true )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[322]) ).

thf(354,plain,
    ! [SV25: $i,SV51: $i] :
      ( ( ( ~ ( ssList @ SV51 )
          | ~ ( ~ ( ~ ( neq @ SV25 @ SV51 )
                  | ( SV25 != SV51 ) )
              | ~ ( ~ ( ( SV25 != SV51 ) )
                  | ( neq @ SV25 @ SV51 ) ) ) )
        = $true )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[323]) ).

thf(355,plain,
    ! [SV28: $i] :
      ( ( ( ~ ( ( nil != SV28 ) ) )
        = $true )
      | ( ( ~ ! [SY117: $i] :
                ~ ~ ( ~ ( ssList @ SY117 )
                    | ( ( tl @ SV28 )
                     != SY117 ) ) )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[326]) ).

thf(356,plain,
    ! [SV29: $i,SV52: $i] :
      ( ( ( ~ ( ssList @ SV52 )
          | ! [SY151: $i] :
              ( ~ ( ssList @ SY151 )
              | ~ ( frontsegP @ SV29 @ SV52 )
              | ( frontsegP @ ( app @ SV29 @ SY151 ) @ SV52 ) ) )
        = $true )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[327]) ).

thf(357,plain,
    ! [SV31: $i] :
      ( ( ( ~ ( ( nil != SV31 ) ) )
        = $true )
      | ( ( ssList @ ( tl @ SV31 ) )
        = $true )
      | ( ( ssList @ SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[329]) ).

thf(358,plain,
    ! [SV32: $i,SV53: $i] :
      ( ( ( ~ ( ssList @ SV53 )
          | ! [SY152: $i] :
              ( ~ ( ssList @ SY152 )
              | ~ ~ ( ~ ( segmentP @ SV32 @ SV53 )
                    | ~ ( segmentP @ SV53 @ SY152 ) )
              | ( segmentP @ SV32 @ SY152 ) ) )
        = $true )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[330]) ).

thf(359,plain,
    ! [SV33: $i,SV54: $i] :
      ( ( ( ~ ( ssList @ SV54 )
          | ~ ( ( nil != SV33 ) )
          | ( ( tl @ ( app @ SV33 @ SV54 ) )
            = ( app @ ( tl @ SV33 ) @ SV54 ) ) )
        = $true )
      | ( ( ssList @ SV33 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[331]) ).

thf(360,plain,
    ! [SV34: $i,SV55: $i] :
      ( ( ( ~ ( ssList @ SV55 )
          | ! [SY153: $i] :
              ( ~ ( ssList @ SY153 )
              | ( ( app @ SY153 @ SV55 )
               != ( app @ SV34 @ SV55 ) )
              | ( SY153 = SV34 ) ) )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[332]) ).

thf(361,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ( ssList @ SV35 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( segmentP @ SV1 @ SV35 )
                  | ~ ! [SY131: $i] :
                        ~ ~ ( ~ ( ssList @ SY131 )
                            | ~ ~ ! [SY132: $i] :
                                    ~ ~ ( ~ ( ssList @ SY132 )
                                        | ( ( app @ ( app @ SY131 @ SV35 ) @ SY132 )
                                         != SV1 ) ) ) )
              | ~ ( ~ ~ ! [SY133: $i] :
                          ~ ~ ( ~ ( ssList @ SY133 )
                              | ~ ~ ! [SY134: $i] :
                                      ~ ~ ( ~ ( ssList @ SY134 )
                                          | ( ( app @ ( app @ SY133 @ SV35 ) @ SY134 )
                                           != SV1 ) ) )
                  | ( segmentP @ SV1 @ SV35 ) ) ) )
        = $true )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[333]) ).

thf(362,plain,
    ! [SV2: $i,SV36: $i] :
      ( ( ( ~ ( ssList @ SV36 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( rearsegP @ SV2 @ SV36 )
                | ~ ( rearsegP @ SV36 @ SV2 ) )
          | ( SV2 = SV36 ) )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[334]) ).

thf(363,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( ~ ( segmentP @ nil @ SV3 )
              | ( nil = SV3 ) ) )
        = $false )
      | ( ( ssList @ SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[335]) ).

thf(364,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( ( nil != SV3 )
              | ( segmentP @ nil @ SV3 ) ) )
        = $false )
      | ( ( ssList @ SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[335]) ).

thf(365,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ~ ( ssList @ SV37 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ SV4 @ SV37 )
                  | ~ ! [SY135: $i] :
                        ~ ~ ( ~ ( ssList @ SY135 )
                            | ( ( app @ SV37 @ SY135 )
                             != SV4 ) ) )
              | ~ ( ~ ~ ! [SY136: $i] :
                          ~ ~ ( ~ ( ssList @ SY136 )
                              | ( ( app @ SV37 @ SY136 )
                               != SV4 ) )
                  | ( frontsegP @ SV4 @ SV37 ) ) ) )
        = $true )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[336]) ).

thf(366,plain,
    ! [SV8: $i,SV38: $i] :
      ( ( ( ~ ( ssList @ SV38 ) )
        = $true )
      | ( ( ! [SY137: $i] :
              ( ~ ( ssList @ SY137 )
              | ~ ( rearsegP @ SV8 @ SV38 )
              | ( rearsegP @ ( app @ SY137 @ SV8 ) @ SV38 ) ) )
        = $true )
      | ( ( ssList @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[337]) ).

thf(367,plain,
    ! [SV9: $i,SV39: $i] :
      ( ( ( ~ ( ssItem @ SV39 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( neq @ SV9 @ SV39 )
                  | ( SV9 != SV39 ) )
              | ~ ( ~ ( ( SV9 != SV39 ) )
                  | ( neq @ SV9 @ SV39 ) ) ) )
        = $true )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[338]) ).

thf(368,plain,
    ! [SV10: $i,SV40: $i] :
      ( ( ( ~ ( ssList @ SV40 ) )
        = $true )
      | ( ( ! [SY138: $i] :
              ( ~ ( ssList @ SY138 )
              | ~ ~ ( ~ ( frontsegP @ SV10 @ SV40 )
                    | ~ ( frontsegP @ SV40 @ SY138 ) )
              | ( frontsegP @ SV10 @ SY138 ) ) )
        = $true )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[339]) ).

thf(369,plain,
    ! [SV11: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ nil @ SV11 )
              | ( nil = SV11 ) ) )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[340]) ).

thf(370,plain,
    ! [SV11: $i] :
      ( ( ( ~ ( ( nil != SV11 )
              | ( rearsegP @ nil @ SV11 ) ) )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[340]) ).

thf(371,plain,
    ( ( ~ ( ssList @ sK3_SY125 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[342]) ).

thf(372,plain,
    ( ( ! [SY139: $i] :
          ( ~ ( ssList @ SY139 )
          | ( sK2_SX0 != SY139 )
          | ( sK1_U != sK3_SY125 )
          | ~ ( neq @ sK2_SX0 @ nil )
          | ~ ! [SY127: $i] :
                ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SY127 )
                                | ~ ( neq @ SY127 @ nil ) )
                          | ~ ( segmentP @ sK2_SX0 @ SY127 ) )
                    | ~ ( segmentP @ sK1_U @ SY127 ) )
          | ! [SY141: $i] :
              ( ~ ( ssList @ SY141 )
              | ! [SY142: $i] :
                  ( ~ ( ssList @ SY142 )
                  | ! [SY143: $i] :
                      ( ~ ( ssList @ SY143 )
                      | ( ( app @ ( app @ SY141 @ SY142 ) @ SY143 )
                       != sK3_SY125 )
                      | ( ( app @ SY141 @ SY143 )
                       != SY139 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[342]) ).

thf(373,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( ~ ( ssList @ SV41 ) )
        = $true )
      | ( ( ~ ( ~ ( ( nil
                   != ( app @ SV13 @ SV41 ) )
                  | ~ ( ( nil != SV41 )
                      | ( nil != SV13 ) ) )
              | ~ ( ~ ~ ( ( nil != SV41 )
                        | ( nil != SV13 ) )
                  | ( nil
                    = ( app @ SV13 @ SV41 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[343]) ).

thf(374,plain,
    ! [SV15: $i,SV42: $i] :
      ( ( ( ~ ( ssList @ SV42 ) )
        = $true )
      | ( ( ssList @ ( app @ SV15 @ SV42 ) )
        = $true )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[344]) ).

thf(375,plain,
    ! [SV16: $i,SV43: $i] :
      ( ( ( ~ ( ssList @ SV43 ) )
        = $true )
      | ( ( ! [SY144: $i] :
              ( ~ ( ssList @ SY144 )
              | ~ ~ ( ~ ( rearsegP @ SV16 @ SV43 )
                    | ~ ( rearsegP @ SV43 @ SY144 ) )
              | ( rearsegP @ SV16 @ SY144 ) ) )
        = $true )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[345]) ).

thf(376,plain,
    ! [SV17: $i,SV44: $i] :
      ( ( ( ~ ( ssList @ SV44 ) )
        = $true )
      | ( ( ! [SY145: $i] :
              ( ~ ( ssList @ SY145 )
              | ( ( app @ ( app @ SV17 @ SV44 ) @ SY145 )
                = ( app @ SV17 @ ( app @ SV44 @ SY145 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[346]) ).

thf(377,plain,
    ! [SV18: $i,SV45: $i] :
      ( ( ( ~ ( ssList @ SV45 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( rearsegP @ SV18 @ SV45 )
                  | ~ ! [SY146: $i] :
                        ~ ~ ( ~ ( ssList @ SY146 )
                            | ( ( app @ SY146 @ SV45 )
                             != SV18 ) ) )
              | ~ ( ~ ~ ! [SY147: $i] :
                          ~ ~ ( ~ ( ssList @ SY147 )
                              | ( ( app @ SY147 @ SV45 )
                               != SV18 ) )
                  | ( rearsegP @ SV18 @ SV45 ) ) ) )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[347]) ).

thf(378,plain,
    ! [SV19: $i,SV46: $i] :
      ( ( ( ~ ( ssList @ SV46 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( segmentP @ SV19 @ SV46 )
                | ~ ( segmentP @ SV46 @ SV19 ) )
          | ( SV19 = SV46 ) )
        = $true )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[348]) ).

thf(379,plain,
    ! [SV20: $i,SV47: $i] :
      ( ( ( ~ ( ssList @ SV47 ) )
        = $true )
      | ( ( ! [SY148: $i] :
              ( ~ ( ssList @ SY148 )
              | ! [SY149: $i] :
                  ( ~ ( ssList @ SY149 )
                  | ~ ( segmentP @ SV20 @ SV47 )
                  | ( segmentP @ ( app @ ( app @ SY148 @ SV20 ) @ SY149 ) @ SV47 ) ) ) )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[349]) ).

thf(380,plain,
    ! [SV21: $i,SV48: $i] :
      ( ( ( ~ ( ssList @ SV48 ) )
        = $true )
      | ( ( ! [SY150: $i] :
              ( ~ ( ssList @ SY150 )
              | ( ( app @ SV48 @ SY150 )
               != ( app @ SV48 @ SV21 ) )
              | ( SY150 = SV21 ) ) )
        = $true )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[350]) ).

thf(381,plain,
    ! [SV22: $i,SV49: $i] :
      ( ( ( ~ ( ssList @ SV49 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( frontsegP @ SV22 @ SV49 )
                | ~ ( frontsegP @ SV49 @ SV22 ) )
          | ( SV22 = SV49 ) )
        = $true )
      | ( ( ssList @ SV22 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[351]) ).

thf(382,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ nil @ SV23 )
              | ( nil = SV23 ) ) )
        = $false )
      | ( ( ssList @ SV23 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[352]) ).

thf(383,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( ( nil != SV23 )
              | ( frontsegP @ nil @ SV23 ) ) )
        = $false )
      | ( ( ssList @ SV23 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[352]) ).

thf(384,plain,
    ! [SV24: $i,SV50: $i] :
      ( ( ( ~ ( ssList @ SV50 ) )
        = $true )
      | ( ( ~ ( ( nil != SV24 ) )
          | ( ( hd @ ( app @ SV24 @ SV50 ) )
            = ( hd @ SV24 ) ) )
        = $true )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[353]) ).

thf(385,plain,
    ! [SV25: $i,SV51: $i] :
      ( ( ( ~ ( ssList @ SV51 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( neq @ SV25 @ SV51 )
                  | ( SV25 != SV51 ) )
              | ~ ( ~ ( ( SV25 != SV51 ) )
                  | ( neq @ SV25 @ SV51 ) ) ) )
        = $true )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[354]) ).

thf(386,plain,
    ! [SV28: $i] :
      ( ( ( nil != SV28 )
        = $false )
      | ( ( ~ ! [SY117: $i] :
                ~ ~ ( ~ ( ssList @ SY117 )
                    | ( ( tl @ SV28 )
                     != SY117 ) ) )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[355]) ).

thf(387,plain,
    ! [SV29: $i,SV52: $i] :
      ( ( ( ~ ( ssList @ SV52 ) )
        = $true )
      | ( ( ! [SY151: $i] :
              ( ~ ( ssList @ SY151 )
              | ~ ( frontsegP @ SV29 @ SV52 )
              | ( frontsegP @ ( app @ SV29 @ SY151 ) @ SV52 ) ) )
        = $true )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[356]) ).

thf(388,plain,
    ! [SV31: $i] :
      ( ( ( nil != SV31 )
        = $false )
      | ( ( ssList @ ( tl @ SV31 ) )
        = $true )
      | ( ( ssList @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[357]) ).

thf(389,plain,
    ! [SV32: $i,SV53: $i] :
      ( ( ( ~ ( ssList @ SV53 ) )
        = $true )
      | ( ( ! [SY152: $i] :
              ( ~ ( ssList @ SY152 )
              | ~ ~ ( ~ ( segmentP @ SV32 @ SV53 )
                    | ~ ( segmentP @ SV53 @ SY152 ) )
              | ( segmentP @ SV32 @ SY152 ) ) )
        = $true )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[358]) ).

thf(390,plain,
    ! [SV33: $i,SV54: $i] :
      ( ( ( ~ ( ssList @ SV54 ) )
        = $true )
      | ( ( ~ ( ( nil != SV33 ) )
          | ( ( tl @ ( app @ SV33 @ SV54 ) )
            = ( app @ ( tl @ SV33 ) @ SV54 ) ) )
        = $true )
      | ( ( ssList @ SV33 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[359]) ).

thf(391,plain,
    ! [SV34: $i,SV55: $i] :
      ( ( ( ~ ( ssList @ SV55 ) )
        = $true )
      | ( ( ! [SY153: $i] :
              ( ~ ( ssList @ SY153 )
              | ( ( app @ SY153 @ SV55 )
               != ( app @ SV34 @ SV55 ) )
              | ( SY153 = SV34 ) ) )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[360]) ).

thf(392,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ssList @ SV35 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( segmentP @ SV1 @ SV35 )
                  | ~ ! [SY131: $i] :
                        ~ ~ ( ~ ( ssList @ SY131 )
                            | ~ ~ ! [SY132: $i] :
                                    ~ ~ ( ~ ( ssList @ SY132 )
                                        | ( ( app @ ( app @ SY131 @ SV35 ) @ SY132 )
                                         != SV1 ) ) ) )
              | ~ ( ~ ~ ! [SY133: $i] :
                          ~ ~ ( ~ ( ssList @ SY133 )
                              | ~ ~ ! [SY134: $i] :
                                      ~ ~ ( ~ ( ssList @ SY134 )
                                          | ( ( app @ ( app @ SY133 @ SV35 ) @ SY134 )
                                           != SV1 ) ) )
                  | ( segmentP @ SV1 @ SV35 ) ) ) )
        = $true )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[361]) ).

thf(393,plain,
    ! [SV2: $i,SV36: $i] :
      ( ( ( ssList @ SV36 )
        = $false )
      | ( ( ~ ~ ( ~ ( rearsegP @ SV2 @ SV36 )
                | ~ ( rearsegP @ SV36 @ SV2 ) )
          | ( SV2 = SV36 ) )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[362]) ).

thf(394,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( segmentP @ nil @ SV3 )
          | ( nil = SV3 ) )
        = $true )
      | ( ( ssList @ SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[363]) ).

thf(395,plain,
    ! [SV3: $i] :
      ( ( ( ( nil != SV3 )
          | ( segmentP @ nil @ SV3 ) )
        = $true )
      | ( ( ssList @ SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[364]) ).

thf(396,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ssList @ SV37 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ SV4 @ SV37 )
                  | ~ ! [SY135: $i] :
                        ~ ~ ( ~ ( ssList @ SY135 )
                            | ( ( app @ SV37 @ SY135 )
                             != SV4 ) ) )
              | ~ ( ~ ~ ! [SY136: $i] :
                          ~ ~ ( ~ ( ssList @ SY136 )
                              | ( ( app @ SV37 @ SY136 )
                               != SV4 ) )
                  | ( frontsegP @ SV4 @ SV37 ) ) ) )
        = $true )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[365]) ).

thf(397,plain,
    ! [SV8: $i,SV38: $i] :
      ( ( ( ssList @ SV38 )
        = $false )
      | ( ( ! [SY137: $i] :
              ( ~ ( ssList @ SY137 )
              | ~ ( rearsegP @ SV8 @ SV38 )
              | ( rearsegP @ ( app @ SY137 @ SV8 ) @ SV38 ) ) )
        = $true )
      | ( ( ssList @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[366]) ).

thf(398,plain,
    ! [SV9: $i,SV39: $i] :
      ( ( ( ssItem @ SV39 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( neq @ SV9 @ SV39 )
                  | ( SV9 != SV39 ) )
              | ~ ( ~ ( ( SV9 != SV39 ) )
                  | ( neq @ SV9 @ SV39 ) ) ) )
        = $true )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[367]) ).

thf(399,plain,
    ! [SV10: $i,SV40: $i] :
      ( ( ( ssList @ SV40 )
        = $false )
      | ( ( ! [SY138: $i] :
              ( ~ ( ssList @ SY138 )
              | ~ ~ ( ~ ( frontsegP @ SV10 @ SV40 )
                    | ~ ( frontsegP @ SV40 @ SY138 ) )
              | ( frontsegP @ SV10 @ SY138 ) ) )
        = $true )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[368]) ).

thf(400,plain,
    ! [SV11: $i] :
      ( ( ( ~ ( rearsegP @ nil @ SV11 )
          | ( nil = SV11 ) )
        = $true )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[369]) ).

thf(401,plain,
    ! [SV11: $i] :
      ( ( ( ( nil != SV11 )
          | ( rearsegP @ nil @ SV11 ) )
        = $true )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[370]) ).

thf(402,plain,
    ( ( ssList @ sK3_SY125 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[371]) ).

thf(403,plain,
    ( ( ~ ( ssList @ sK4_SY139 )
      | ( sK2_SX0 != sK4_SY139 )
      | ( sK1_U != sK3_SY125 )
      | ~ ( neq @ sK2_SX0 @ nil )
      | ~ ! [SY127: $i] :
            ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SY127 )
                            | ~ ( neq @ SY127 @ nil ) )
                      | ~ ( segmentP @ sK2_SX0 @ SY127 ) )
                | ~ ( segmentP @ sK1_U @ SY127 ) )
      | ! [SY155: $i] :
          ( ~ ( ssList @ SY155 )
          | ! [SY156: $i] :
              ( ~ ( ssList @ SY156 )
              | ! [SY157: $i] :
                  ( ~ ( ssList @ SY157 )
                  | ( ( app @ ( app @ SY155 @ SY156 ) @ SY157 )
                   != sK3_SY125 )
                  | ( ( app @ SY155 @ SY157 )
                   != sK4_SY139 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[372]) ).

thf(404,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( ssList @ SV41 )
        = $false )
      | ( ( ~ ( ~ ( ( nil
                   != ( app @ SV13 @ SV41 ) )
                  | ~ ( ( nil != SV41 )
                      | ( nil != SV13 ) ) )
              | ~ ( ~ ~ ( ( nil != SV41 )
                        | ( nil != SV13 ) )
                  | ( nil
                    = ( app @ SV13 @ SV41 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[373]) ).

thf(405,plain,
    ! [SV15: $i,SV42: $i] :
      ( ( ( ssList @ SV42 )
        = $false )
      | ( ( ssList @ ( app @ SV15 @ SV42 ) )
        = $true )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[374]) ).

thf(406,plain,
    ! [SV16: $i,SV43: $i] :
      ( ( ( ssList @ SV43 )
        = $false )
      | ( ( ! [SY144: $i] :
              ( ~ ( ssList @ SY144 )
              | ~ ~ ( ~ ( rearsegP @ SV16 @ SV43 )
                    | ~ ( rearsegP @ SV43 @ SY144 ) )
              | ( rearsegP @ SV16 @ SY144 ) ) )
        = $true )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[375]) ).

thf(407,plain,
    ! [SV17: $i,SV44: $i] :
      ( ( ( ssList @ SV44 )
        = $false )
      | ( ( ! [SY145: $i] :
              ( ~ ( ssList @ SY145 )
              | ( ( app @ ( app @ SV17 @ SV44 ) @ SY145 )
                = ( app @ SV17 @ ( app @ SV44 @ SY145 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[376]) ).

thf(408,plain,
    ! [SV18: $i,SV45: $i] :
      ( ( ( ssList @ SV45 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( rearsegP @ SV18 @ SV45 )
                  | ~ ! [SY146: $i] :
                        ~ ~ ( ~ ( ssList @ SY146 )
                            | ( ( app @ SY146 @ SV45 )
                             != SV18 ) ) )
              | ~ ( ~ ~ ! [SY147: $i] :
                          ~ ~ ( ~ ( ssList @ SY147 )
                              | ( ( app @ SY147 @ SV45 )
                               != SV18 ) )
                  | ( rearsegP @ SV18 @ SV45 ) ) ) )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[377]) ).

thf(409,plain,
    ! [SV19: $i,SV46: $i] :
      ( ( ( ssList @ SV46 )
        = $false )
      | ( ( ~ ~ ( ~ ( segmentP @ SV19 @ SV46 )
                | ~ ( segmentP @ SV46 @ SV19 ) )
          | ( SV19 = SV46 ) )
        = $true )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[378]) ).

thf(410,plain,
    ! [SV20: $i,SV47: $i] :
      ( ( ( ssList @ SV47 )
        = $false )
      | ( ( ! [SY148: $i] :
              ( ~ ( ssList @ SY148 )
              | ! [SY149: $i] :
                  ( ~ ( ssList @ SY149 )
                  | ~ ( segmentP @ SV20 @ SV47 )
                  | ( segmentP @ ( app @ ( app @ SY148 @ SV20 ) @ SY149 ) @ SV47 ) ) ) )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[379]) ).

thf(411,plain,
    ! [SV21: $i,SV48: $i] :
      ( ( ( ssList @ SV48 )
        = $false )
      | ( ( ! [SY150: $i] :
              ( ~ ( ssList @ SY150 )
              | ( ( app @ SV48 @ SY150 )
               != ( app @ SV48 @ SV21 ) )
              | ( SY150 = SV21 ) ) )
        = $true )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[380]) ).

thf(412,plain,
    ! [SV22: $i,SV49: $i] :
      ( ( ( ssList @ SV49 )
        = $false )
      | ( ( ~ ~ ( ~ ( frontsegP @ SV22 @ SV49 )
                | ~ ( frontsegP @ SV49 @ SV22 ) )
          | ( SV22 = SV49 ) )
        = $true )
      | ( ( ssList @ SV22 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[381]) ).

thf(413,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( frontsegP @ nil @ SV23 )
          | ( nil = SV23 ) )
        = $true )
      | ( ( ssList @ SV23 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[382]) ).

thf(414,plain,
    ! [SV23: $i] :
      ( ( ( ( nil != SV23 )
          | ( frontsegP @ nil @ SV23 ) )
        = $true )
      | ( ( ssList @ SV23 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[383]) ).

thf(415,plain,
    ! [SV24: $i,SV50: $i] :
      ( ( ( ssList @ SV50 )
        = $false )
      | ( ( ~ ( ( nil != SV24 ) )
          | ( ( hd @ ( app @ SV24 @ SV50 ) )
            = ( hd @ SV24 ) ) )
        = $true )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[384]) ).

thf(416,plain,
    ! [SV25: $i,SV51: $i] :
      ( ( ( ssList @ SV51 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( neq @ SV25 @ SV51 )
                  | ( SV25 != SV51 ) )
              | ~ ( ~ ( ( SV25 != SV51 ) )
                  | ( neq @ SV25 @ SV51 ) ) ) )
        = $true )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[385]) ).

thf(417,plain,
    ! [SV28: $i] :
      ( ( ( nil = SV28 )
        = $true )
      | ( ( ~ ! [SY117: $i] :
                ~ ~ ( ~ ( ssList @ SY117 )
                    | ( ( tl @ SV28 )
                     != SY117 ) ) )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[386]) ).

thf(418,plain,
    ! [SV29: $i,SV52: $i] :
      ( ( ( ssList @ SV52 )
        = $false )
      | ( ( ! [SY151: $i] :
              ( ~ ( ssList @ SY151 )
              | ~ ( frontsegP @ SV29 @ SV52 )
              | ( frontsegP @ ( app @ SV29 @ SY151 ) @ SV52 ) ) )
        = $true )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[387]) ).

thf(419,plain,
    ! [SV31: $i] :
      ( ( ( nil = SV31 )
        = $true )
      | ( ( ssList @ ( tl @ SV31 ) )
        = $true )
      | ( ( ssList @ SV31 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[388]) ).

thf(420,plain,
    ! [SV32: $i,SV53: $i] :
      ( ( ( ssList @ SV53 )
        = $false )
      | ( ( ! [SY152: $i] :
              ( ~ ( ssList @ SY152 )
              | ~ ~ ( ~ ( segmentP @ SV32 @ SV53 )
                    | ~ ( segmentP @ SV53 @ SY152 ) )
              | ( segmentP @ SV32 @ SY152 ) ) )
        = $true )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[389]) ).

thf(421,plain,
    ! [SV33: $i,SV54: $i] :
      ( ( ( ssList @ SV54 )
        = $false )
      | ( ( ~ ( ( nil != SV33 ) )
          | ( ( tl @ ( app @ SV33 @ SV54 ) )
            = ( app @ ( tl @ SV33 ) @ SV54 ) ) )
        = $true )
      | ( ( ssList @ SV33 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[390]) ).

thf(422,plain,
    ! [SV34: $i,SV55: $i] :
      ( ( ( ssList @ SV55 )
        = $false )
      | ( ( ! [SY153: $i] :
              ( ~ ( ssList @ SY153 )
              | ( ( app @ SY153 @ SV55 )
               != ( app @ SV34 @ SV55 ) )
              | ( SY153 = SV34 ) ) )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[391]) ).

thf(423,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ( ~ ( segmentP @ SV1 @ SV35 )
              | ~ ! [SY131: $i] :
                    ~ ~ ( ~ ( ssList @ SY131 )
                        | ~ ~ ! [SY132: $i] :
                                ~ ~ ( ~ ( ssList @ SY132 )
                                    | ( ( app @ ( app @ SY131 @ SV35 ) @ SY132 )
                                     != SV1 ) ) ) )
          | ~ ( ~ ~ ! [SY133: $i] :
                      ~ ~ ( ~ ( ssList @ SY133 )
                          | ~ ~ ! [SY134: $i] :
                                  ~ ~ ( ~ ( ssList @ SY134 )
                                      | ( ( app @ ( app @ SY133 @ SV35 ) @ SY134 )
                                       != SV1 ) ) )
              | ( segmentP @ SV1 @ SV35 ) ) )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[392]) ).

thf(424,plain,
    ! [SV36: $i,SV2: $i] :
      ( ( ( ~ ~ ( ~ ( rearsegP @ SV2 @ SV36 )
                | ~ ( rearsegP @ SV36 @ SV2 ) ) )
        = $true )
      | ( ( SV2 = SV36 )
        = $true )
      | ( ( ssList @ SV36 )
        = $false )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[393]) ).

thf(425,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( segmentP @ nil @ SV3 ) )
        = $true )
      | ( ( nil = SV3 )
        = $true )
      | ( ( ssList @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[394]) ).

thf(426,plain,
    ! [SV3: $i] :
      ( ( ( nil != SV3 )
        = $true )
      | ( ( segmentP @ nil @ SV3 )
        = $true )
      | ( ( ssList @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[395]) ).

thf(427,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ SV4 @ SV37 )
              | ~ ! [SY135: $i] :
                    ~ ~ ( ~ ( ssList @ SY135 )
                        | ( ( app @ SV37 @ SY135 )
                         != SV4 ) ) )
          | ~ ( ~ ~ ! [SY136: $i] :
                      ~ ~ ( ~ ( ssList @ SY136 )
                          | ( ( app @ SV37 @ SY136 )
                           != SV4 ) )
              | ( frontsegP @ SV4 @ SV37 ) ) )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[396]) ).

thf(428,plain,
    ! [SV38: $i,SV8: $i,SV56: $i] :
      ( ( ( ~ ( ssList @ SV56 )
          | ~ ( rearsegP @ SV8 @ SV38 )
          | ( rearsegP @ ( app @ SV56 @ SV8 ) @ SV38 ) )
        = $true )
      | ( ( ssList @ SV38 )
        = $false )
      | ( ( ssList @ SV8 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[397]) ).

thf(429,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( neq @ SV9 @ SV39 )
              | ( SV9 != SV39 ) )
          | ~ ( ~ ( ( SV9 != SV39 ) )
              | ( neq @ SV9 @ SV39 ) ) )
        = $false )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[398]) ).

thf(430,plain,
    ! [SV40: $i,SV10: $i,SV57: $i] :
      ( ( ( ~ ( ssList @ SV57 )
          | ~ ~ ( ~ ( frontsegP @ SV10 @ SV40 )
                | ~ ( frontsegP @ SV40 @ SV57 ) )
          | ( frontsegP @ SV10 @ SV57 ) )
        = $true )
      | ( ( ssList @ SV40 )
        = $false )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[399]) ).

thf(431,plain,
    ! [SV11: $i] :
      ( ( ( ~ ( rearsegP @ nil @ SV11 ) )
        = $true )
      | ( ( nil = SV11 )
        = $true )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[400]) ).

thf(432,plain,
    ! [SV11: $i] :
      ( ( ( nil != SV11 )
        = $true )
      | ( ( rearsegP @ nil @ SV11 )
        = $true )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[401]) ).

thf(433,plain,
    ( ( ~ ( ssList @ sK4_SY139 )
      | ( sK2_SX0 != sK4_SY139 )
      | ( sK1_U != sK3_SY125 )
      | ~ ( neq @ sK2_SX0 @ nil )
      | ~ ! [SY127: $i] :
            ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SY127 )
                            | ~ ( neq @ SY127 @ nil ) )
                      | ~ ( segmentP @ sK2_SX0 @ SY127 ) )
                | ~ ( segmentP @ sK1_U @ SY127 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[403]) ).

thf(434,plain,
    ( ( ! [SY155: $i] :
          ( ~ ( ssList @ SY155 )
          | ! [SY156: $i] :
              ( ~ ( ssList @ SY156 )
              | ! [SY157: $i] :
                  ( ~ ( ssList @ SY157 )
                  | ( ( app @ ( app @ SY155 @ SY156 ) @ SY157 )
                   != sK3_SY125 )
                  | ( ( app @ SY155 @ SY157 )
                   != sK4_SY139 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[403]) ).

thf(435,plain,
    ! [SV41: $i,SV13: $i] :
      ( ( ( ~ ( ( nil
               != ( app @ SV13 @ SV41 ) )
              | ~ ( ( nil != SV41 )
                  | ( nil != SV13 ) ) )
          | ~ ( ~ ~ ( ( nil != SV41 )
                    | ( nil != SV13 ) )
              | ( nil
                = ( app @ SV13 @ SV41 ) ) ) )
        = $false )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[404]) ).

thf(436,plain,
    ! [SV43: $i,SV16: $i,SV58: $i] :
      ( ( ( ~ ( ssList @ SV58 )
          | ~ ~ ( ~ ( rearsegP @ SV16 @ SV43 )
                | ~ ( rearsegP @ SV43 @ SV58 ) )
          | ( rearsegP @ SV16 @ SV58 ) )
        = $true )
      | ( ( ssList @ SV43 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[406]) ).

thf(437,plain,
    ! [SV44: $i,SV17: $i,SV59: $i] :
      ( ( ( ~ ( ssList @ SV59 )
          | ( ( app @ ( app @ SV17 @ SV44 ) @ SV59 )
            = ( app @ SV17 @ ( app @ SV44 @ SV59 ) ) ) )
        = $true )
      | ( ( ssList @ SV44 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[407]) ).

thf(438,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ SV18 @ SV45 )
              | ~ ! [SY146: $i] :
                    ~ ~ ( ~ ( ssList @ SY146 )
                        | ( ( app @ SY146 @ SV45 )
                         != SV18 ) ) )
          | ~ ( ~ ~ ! [SY147: $i] :
                      ~ ~ ( ~ ( ssList @ SY147 )
                          | ( ( app @ SY147 @ SV45 )
                           != SV18 ) )
              | ( rearsegP @ SV18 @ SV45 ) ) )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[408]) ).

thf(439,plain,
    ! [SV46: $i,SV19: $i] :
      ( ( ( ~ ~ ( ~ ( segmentP @ SV19 @ SV46 )
                | ~ ( segmentP @ SV46 @ SV19 ) ) )
        = $true )
      | ( ( SV19 = SV46 )
        = $true )
      | ( ( ssList @ SV46 )
        = $false )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[409]) ).

thf(440,plain,
    ! [SV47: $i,SV20: $i,SV60: $i] :
      ( ( ( ~ ( ssList @ SV60 )
          | ! [SY158: $i] :
              ( ~ ( ssList @ SY158 )
              | ~ ( segmentP @ SV20 @ SV47 )
              | ( segmentP @ ( app @ ( app @ SV60 @ SV20 ) @ SY158 ) @ SV47 ) ) )
        = $true )
      | ( ( ssList @ SV47 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[410]) ).

thf(441,plain,
    ! [SV21: $i,SV48: $i,SV61: $i] :
      ( ( ( ~ ( ssList @ SV61 )
          | ( ( app @ SV48 @ SV61 )
           != ( app @ SV48 @ SV21 ) )
          | ( SV61 = SV21 ) )
        = $true )
      | ( ( ssList @ SV48 )
        = $false )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[411]) ).

thf(442,plain,
    ! [SV49: $i,SV22: $i] :
      ( ( ( ~ ~ ( ~ ( frontsegP @ SV22 @ SV49 )
                | ~ ( frontsegP @ SV49 @ SV22 ) ) )
        = $true )
      | ( ( SV22 = SV49 )
        = $true )
      | ( ( ssList @ SV49 )
        = $false )
      | ( ( ssList @ SV22 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[412]) ).

thf(443,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( frontsegP @ nil @ SV23 ) )
        = $true )
      | ( ( nil = SV23 )
        = $true )
      | ( ( ssList @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[413]) ).

thf(444,plain,
    ! [SV23: $i] :
      ( ( ( nil != SV23 )
        = $true )
      | ( ( frontsegP @ nil @ SV23 )
        = $true )
      | ( ( ssList @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[414]) ).

thf(445,plain,
    ! [SV50: $i,SV24: $i] :
      ( ( ( ~ ( ( nil != SV24 ) ) )
        = $true )
      | ( ( ( hd @ ( app @ SV24 @ SV50 ) )
          = ( hd @ SV24 ) )
        = $true )
      | ( ( ssList @ SV50 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[415]) ).

thf(446,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( ~ ( ~ ( neq @ SV25 @ SV51 )
              | ( SV25 != SV51 ) )
          | ~ ( ~ ( ( SV25 != SV51 ) )
              | ( neq @ SV25 @ SV51 ) ) )
        = $false )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[416]) ).

thf(447,plain,
    ! [SV28: $i] :
      ( ( ( ! [SY117: $i] :
              ~ ~ ( ~ ( ssList @ SY117 )
                  | ( ( tl @ SV28 )
                   != SY117 ) ) )
        = $false )
      | ( ( nil = SV28 )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[417]) ).

thf(448,plain,
    ! [SV52: $i,SV29: $i,SV62: $i] :
      ( ( ( ~ ( ssList @ SV62 )
          | ~ ( frontsegP @ SV29 @ SV52 )
          | ( frontsegP @ ( app @ SV29 @ SV62 ) @ SV52 ) )
        = $true )
      | ( ( ssList @ SV52 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[418]) ).

thf(449,plain,
    ! [SV53: $i,SV32: $i,SV63: $i] :
      ( ( ( ~ ( ssList @ SV63 )
          | ~ ~ ( ~ ( segmentP @ SV32 @ SV53 )
                | ~ ( segmentP @ SV53 @ SV63 ) )
          | ( segmentP @ SV32 @ SV63 ) )
        = $true )
      | ( ( ssList @ SV53 )
        = $false )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[420]) ).

thf(450,plain,
    ! [SV54: $i,SV33: $i] :
      ( ( ( ~ ( ( nil != SV33 ) ) )
        = $true )
      | ( ( ( tl @ ( app @ SV33 @ SV54 ) )
          = ( app @ ( tl @ SV33 ) @ SV54 ) )
        = $true )
      | ( ( ssList @ SV54 )
        = $false )
      | ( ( ssList @ SV33 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[421]) ).

thf(451,plain,
    ! [SV34: $i,SV55: $i,SV64: $i] :
      ( ( ( ~ ( ssList @ SV64 )
          | ( ( app @ SV64 @ SV55 )
           != ( app @ SV34 @ SV55 ) )
          | ( SV64 = SV34 ) )
        = $true )
      | ( ( ssList @ SV55 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[422]) ).

thf(452,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ( ~ ( segmentP @ SV1 @ SV35 )
              | ~ ! [SY131: $i] :
                    ~ ~ ( ~ ( ssList @ SY131 )
                        | ~ ~ ! [SY132: $i] :
                                ~ ~ ( ~ ( ssList @ SY132 )
                                    | ( ( app @ ( app @ SY131 @ SV35 ) @ SY132 )
                                     != SV1 ) ) ) ) )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[423]) ).

thf(453,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ( ~ ~ ! [SY133: $i] :
                      ~ ~ ( ~ ( ssList @ SY133 )
                          | ~ ~ ! [SY134: $i] :
                                  ~ ~ ( ~ ( ssList @ SY134 )
                                      | ( ( app @ ( app @ SY133 @ SV35 ) @ SY134 )
                                       != SV1 ) ) )
              | ( segmentP @ SV1 @ SV35 ) ) )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[423]) ).

thf(454,plain,
    ! [SV36: $i,SV2: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ SV2 @ SV36 )
              | ~ ( rearsegP @ SV36 @ SV2 ) ) )
        = $false )
      | ( ( SV2 = SV36 )
        = $true )
      | ( ( ssList @ SV36 )
        = $false )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[424]) ).

thf(455,plain,
    ! [SV3: $i] :
      ( ( ( segmentP @ nil @ SV3 )
        = $false )
      | ( ( nil = SV3 )
        = $true )
      | ( ( ssList @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[425]) ).

thf(456,plain,
    ! [SV3: $i] :
      ( ( ( nil = SV3 )
        = $false )
      | ( ( segmentP @ nil @ SV3 )
        = $true )
      | ( ( ssList @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[426]) ).

thf(457,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ SV4 @ SV37 )
              | ~ ! [SY135: $i] :
                    ~ ~ ( ~ ( ssList @ SY135 )
                        | ( ( app @ SV37 @ SY135 )
                         != SV4 ) ) ) )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[427]) ).

thf(458,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ~ ( ~ ~ ! [SY136: $i] :
                      ~ ~ ( ~ ( ssList @ SY136 )
                          | ( ( app @ SV37 @ SY136 )
                           != SV4 ) )
              | ( frontsegP @ SV4 @ SV37 ) ) )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[427]) ).

thf(459,plain,
    ! [SV38: $i,SV8: $i,SV56: $i] :
      ( ( ( ~ ( ssList @ SV56 ) )
        = $true )
      | ( ( ~ ( rearsegP @ SV8 @ SV38 )
          | ( rearsegP @ ( app @ SV56 @ SV8 ) @ SV38 ) )
        = $true )
      | ( ( ssList @ SV38 )
        = $false )
      | ( ( ssList @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[428]) ).

thf(460,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( neq @ SV9 @ SV39 )
              | ( SV9 != SV39 ) ) )
        = $false )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[429]) ).

thf(461,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( ( SV9 != SV39 ) )
              | ( neq @ SV9 @ SV39 ) ) )
        = $false )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[429]) ).

thf(462,plain,
    ! [SV40: $i,SV10: $i,SV57: $i] :
      ( ( ( ~ ( ssList @ SV57 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( frontsegP @ SV10 @ SV40 )
                | ~ ( frontsegP @ SV40 @ SV57 ) )
          | ( frontsegP @ SV10 @ SV57 ) )
        = $true )
      | ( ( ssList @ SV40 )
        = $false )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[430]) ).

thf(463,plain,
    ! [SV11: $i] :
      ( ( ( rearsegP @ nil @ SV11 )
        = $false )
      | ( ( nil = SV11 )
        = $true )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[431]) ).

thf(464,plain,
    ! [SV11: $i] :
      ( ( ( nil = SV11 )
        = $false )
      | ( ( rearsegP @ nil @ SV11 )
        = $true )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[432]) ).

thf(465,plain,
    ( ( ~ ( ssList @ sK4_SY139 )
      | ( sK2_SX0 != sK4_SY139 )
      | ( sK1_U != sK3_SY125 )
      | ~ ( neq @ sK2_SX0 @ nil ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[433]) ).

thf(466,plain,
    ( ( ~ ! [SY127: $i] :
            ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SY127 )
                            | ~ ( neq @ SY127 @ nil ) )
                      | ~ ( segmentP @ sK2_SX0 @ SY127 ) )
                | ~ ( segmentP @ sK1_U @ SY127 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[433]) ).

thf(467,plain,
    ( ( ~ ( ssList @ sK5_SY155 )
      | ! [SY159: $i] :
          ( ~ ( ssList @ SY159 )
          | ! [SY160: $i] :
              ( ~ ( ssList @ SY160 )
              | ( ( app @ ( app @ sK5_SY155 @ SY159 ) @ SY160 )
               != sK3_SY125 )
              | ( ( app @ sK5_SY155 @ SY160 )
               != sK4_SY139 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[434]) ).

thf(468,plain,
    ! [SV41: $i,SV13: $i] :
      ( ( ( ~ ( ( nil
               != ( app @ SV13 @ SV41 ) )
              | ~ ( ( nil != SV41 )
                  | ( nil != SV13 ) ) ) )
        = $false )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[435]) ).

thf(469,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( ~ ( ~ ~ ( ( nil != SV41 )
                    | ( nil != SV13 ) )
              | ( nil
                = ( app @ SV13 @ SV41 ) ) ) )
        = $false )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[435]) ).

thf(470,plain,
    ! [SV43: $i,SV16: $i,SV58: $i] :
      ( ( ( ~ ( ssList @ SV58 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( rearsegP @ SV16 @ SV43 )
                | ~ ( rearsegP @ SV43 @ SV58 ) )
          | ( rearsegP @ SV16 @ SV58 ) )
        = $true )
      | ( ( ssList @ SV43 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[436]) ).

thf(471,plain,
    ! [SV44: $i,SV17: $i,SV59: $i] :
      ( ( ( ~ ( ssList @ SV59 ) )
        = $true )
      | ( ( ( app @ ( app @ SV17 @ SV44 ) @ SV59 )
          = ( app @ SV17 @ ( app @ SV44 @ SV59 ) ) )
        = $true )
      | ( ( ssList @ SV44 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[437]) ).

thf(472,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ SV18 @ SV45 )
              | ~ ! [SY146: $i] :
                    ~ ~ ( ~ ( ssList @ SY146 )
                        | ( ( app @ SY146 @ SV45 )
                         != SV18 ) ) ) )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[438]) ).

thf(473,plain,
    ! [SV18: $i,SV45: $i] :
      ( ( ( ~ ( ~ ~ ! [SY147: $i] :
                      ~ ~ ( ~ ( ssList @ SY147 )
                          | ( ( app @ SY147 @ SV45 )
                           != SV18 ) )
              | ( rearsegP @ SV18 @ SV45 ) ) )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[438]) ).

thf(474,plain,
    ! [SV46: $i,SV19: $i] :
      ( ( ( ~ ( ~ ( segmentP @ SV19 @ SV46 )
              | ~ ( segmentP @ SV46 @ SV19 ) ) )
        = $false )
      | ( ( SV19 = SV46 )
        = $true )
      | ( ( ssList @ SV46 )
        = $false )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[439]) ).

thf(475,plain,
    ! [SV47: $i,SV20: $i,SV60: $i] :
      ( ( ( ~ ( ssList @ SV60 ) )
        = $true )
      | ( ( ! [SY158: $i] :
              ( ~ ( ssList @ SY158 )
              | ~ ( segmentP @ SV20 @ SV47 )
              | ( segmentP @ ( app @ ( app @ SV60 @ SV20 ) @ SY158 ) @ SV47 ) ) )
        = $true )
      | ( ( ssList @ SV47 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[440]) ).

thf(476,plain,
    ! [SV21: $i,SV48: $i,SV61: $i] :
      ( ( ( ~ ( ssList @ SV61 ) )
        = $true )
      | ( ( ( ( app @ SV48 @ SV61 )
           != ( app @ SV48 @ SV21 ) )
          | ( SV61 = SV21 ) )
        = $true )
      | ( ( ssList @ SV48 )
        = $false )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[441]) ).

thf(477,plain,
    ! [SV49: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ SV22 @ SV49 )
              | ~ ( frontsegP @ SV49 @ SV22 ) ) )
        = $false )
      | ( ( SV22 = SV49 )
        = $true )
      | ( ( ssList @ SV49 )
        = $false )
      | ( ( ssList @ SV22 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[442]) ).

thf(478,plain,
    ! [SV23: $i] :
      ( ( ( frontsegP @ nil @ SV23 )
        = $false )
      | ( ( nil = SV23 )
        = $true )
      | ( ( ssList @ SV23 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[443]) ).

thf(479,plain,
    ! [SV23: $i] :
      ( ( ( nil = SV23 )
        = $false )
      | ( ( frontsegP @ nil @ SV23 )
        = $true )
      | ( ( ssList @ SV23 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[444]) ).

thf(480,plain,
    ! [SV50: $i,SV24: $i] :
      ( ( ( nil != SV24 )
        = $false )
      | ( ( ( hd @ ( app @ SV24 @ SV50 ) )
          = ( hd @ SV24 ) )
        = $true )
      | ( ( ssList @ SV50 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[445]) ).

thf(481,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( ~ ( ~ ( neq @ SV25 @ SV51 )
              | ( SV25 != SV51 ) ) )
        = $false )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[446]) ).

thf(482,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( ~ ( ~ ( ( SV25 != SV51 ) )
              | ( neq @ SV25 @ SV51 ) ) )
        = $false )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[446]) ).

thf(483,plain,
    ! [SV28: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK6_SY117 @ SV28 ) )
                | ( ( tl @ SV28 )
                 != ( sK6_SY117 @ SV28 ) ) ) )
        = $false )
      | ( ( nil = SV28 )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[447]) ).

thf(484,plain,
    ! [SV52: $i,SV29: $i,SV62: $i] :
      ( ( ( ~ ( ssList @ SV62 ) )
        = $true )
      | ( ( ~ ( frontsegP @ SV29 @ SV52 )
          | ( frontsegP @ ( app @ SV29 @ SV62 ) @ SV52 ) )
        = $true )
      | ( ( ssList @ SV52 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[448]) ).

thf(485,plain,
    ! [SV53: $i,SV32: $i,SV63: $i] :
      ( ( ( ~ ( ssList @ SV63 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( segmentP @ SV32 @ SV53 )
                | ~ ( segmentP @ SV53 @ SV63 ) )
          | ( segmentP @ SV32 @ SV63 ) )
        = $true )
      | ( ( ssList @ SV53 )
        = $false )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[449]) ).

thf(486,plain,
    ! [SV54: $i,SV33: $i] :
      ( ( ( nil != SV33 )
        = $false )
      | ( ( ( tl @ ( app @ SV33 @ SV54 ) )
          = ( app @ ( tl @ SV33 ) @ SV54 ) )
        = $true )
      | ( ( ssList @ SV54 )
        = $false )
      | ( ( ssList @ SV33 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[450]) ).

thf(487,plain,
    ! [SV34: $i,SV55: $i,SV64: $i] :
      ( ( ( ~ ( ssList @ SV64 ) )
        = $true )
      | ( ( ( ( app @ SV64 @ SV55 )
           != ( app @ SV34 @ SV55 ) )
          | ( SV64 = SV34 ) )
        = $true )
      | ( ( ssList @ SV55 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[451]) ).

thf(488,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ( segmentP @ SV1 @ SV35 )
          | ~ ! [SY131: $i] :
                ~ ~ ( ~ ( ssList @ SY131 )
                    | ~ ~ ! [SY132: $i] :
                            ~ ~ ( ~ ( ssList @ SY132 )
                                | ( ( app @ ( app @ SY131 @ SV35 ) @ SY132 )
                                 != SV1 ) ) ) )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[452]) ).

thf(489,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ~ ! [SY133: $i] :
                  ~ ~ ( ~ ( ssList @ SY133 )
                      | ~ ~ ! [SY134: $i] :
                              ~ ~ ( ~ ( ssList @ SY134 )
                                  | ( ( app @ ( app @ SY133 @ SV35 ) @ SY134 )
                                   != SV1 ) ) )
          | ( segmentP @ SV1 @ SV35 ) )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[453]) ).

thf(490,plain,
    ! [SV36: $i,SV2: $i] :
      ( ( ( ~ ( rearsegP @ SV2 @ SV36 )
          | ~ ( rearsegP @ SV36 @ SV2 ) )
        = $true )
      | ( ( SV2 = SV36 )
        = $true )
      | ( ( ssList @ SV36 )
        = $false )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[454]) ).

thf(491,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( ~ ( frontsegP @ SV4 @ SV37 )
          | ~ ! [SY135: $i] :
                ~ ~ ( ~ ( ssList @ SY135 )
                    | ( ( app @ SV37 @ SY135 )
                     != SV4 ) ) )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[457]) ).

thf(492,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ~ ~ ! [SY136: $i] :
                  ~ ~ ( ~ ( ssList @ SY136 )
                      | ( ( app @ SV37 @ SY136 )
                       != SV4 ) )
          | ( frontsegP @ SV4 @ SV37 ) )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[458]) ).

thf(493,plain,
    ! [SV38: $i,SV8: $i,SV56: $i] :
      ( ( ( ssList @ SV56 )
        = $false )
      | ( ( ~ ( rearsegP @ SV8 @ SV38 )
          | ( rearsegP @ ( app @ SV56 @ SV8 ) @ SV38 ) )
        = $true )
      | ( ( ssList @ SV38 )
        = $false )
      | ( ( ssList @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[459]) ).

thf(494,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( ~ ( neq @ SV9 @ SV39 )
          | ( SV9 != SV39 ) )
        = $true )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[460]) ).

thf(495,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( ~ ( ( SV9 != SV39 ) )
          | ( neq @ SV9 @ SV39 ) )
        = $true )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[461]) ).

thf(496,plain,
    ! [SV40: $i,SV10: $i,SV57: $i] :
      ( ( ( ssList @ SV57 )
        = $false )
      | ( ( ~ ~ ( ~ ( frontsegP @ SV10 @ SV40 )
                | ~ ( frontsegP @ SV40 @ SV57 ) )
          | ( frontsegP @ SV10 @ SV57 ) )
        = $true )
      | ( ( ssList @ SV40 )
        = $false )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[462]) ).

thf(497,plain,
    ( ( ~ ( ssList @ sK4_SY139 )
      | ( sK2_SX0 != sK4_SY139 )
      | ( sK1_U != sK3_SY125 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[465]) ).

thf(498,plain,
    ( ( ~ ( neq @ sK2_SX0 @ nil ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[465]) ).

thf(499,plain,
    ( ( ! [SY127: $i] :
          ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SY127 )
                          | ~ ( neq @ SY127 @ nil ) )
                    | ~ ( segmentP @ sK2_SX0 @ SY127 ) )
              | ~ ( segmentP @ sK1_U @ SY127 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[466]) ).

thf(500,plain,
    ( ( ~ ( ssList @ sK5_SY155 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[467]) ).

thf(501,plain,
    ( ( ! [SY159: $i] :
          ( ~ ( ssList @ SY159 )
          | ! [SY160: $i] :
              ( ~ ( ssList @ SY160 )
              | ( ( app @ ( app @ sK5_SY155 @ SY159 ) @ SY160 )
               != sK3_SY125 )
              | ( ( app @ sK5_SY155 @ SY160 )
               != sK4_SY139 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[467]) ).

thf(502,plain,
    ! [SV41: $i,SV13: $i] :
      ( ( ( ( nil
           != ( app @ SV13 @ SV41 ) )
          | ~ ( ( nil != SV41 )
              | ( nil != SV13 ) ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[468]) ).

thf(503,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( ~ ~ ( ( nil != SV41 )
                | ( nil != SV13 ) )
          | ( nil
            = ( app @ SV13 @ SV41 ) ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[469]) ).

thf(504,plain,
    ! [SV43: $i,SV16: $i,SV58: $i] :
      ( ( ( ssList @ SV58 )
        = $false )
      | ( ( ~ ~ ( ~ ( rearsegP @ SV16 @ SV43 )
                | ~ ( rearsegP @ SV43 @ SV58 ) )
          | ( rearsegP @ SV16 @ SV58 ) )
        = $true )
      | ( ( ssList @ SV43 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[470]) ).

thf(505,plain,
    ! [SV44: $i,SV17: $i,SV59: $i] :
      ( ( ( ssList @ SV59 )
        = $false )
      | ( ( ( app @ ( app @ SV17 @ SV44 ) @ SV59 )
          = ( app @ SV17 @ ( app @ SV44 @ SV59 ) ) )
        = $true )
      | ( ( ssList @ SV44 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[471]) ).

thf(506,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ~ ( rearsegP @ SV18 @ SV45 )
          | ~ ! [SY146: $i] :
                ~ ~ ( ~ ( ssList @ SY146 )
                    | ( ( app @ SY146 @ SV45 )
                     != SV18 ) ) )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[472]) ).

thf(507,plain,
    ! [SV18: $i,SV45: $i] :
      ( ( ( ~ ~ ! [SY147: $i] :
                  ~ ~ ( ~ ( ssList @ SY147 )
                      | ( ( app @ SY147 @ SV45 )
                       != SV18 ) )
          | ( rearsegP @ SV18 @ SV45 ) )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[473]) ).

thf(508,plain,
    ! [SV46: $i,SV19: $i] :
      ( ( ( ~ ( segmentP @ SV19 @ SV46 )
          | ~ ( segmentP @ SV46 @ SV19 ) )
        = $true )
      | ( ( SV19 = SV46 )
        = $true )
      | ( ( ssList @ SV46 )
        = $false )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[474]) ).

thf(509,plain,
    ! [SV47: $i,SV20: $i,SV60: $i] :
      ( ( ( ssList @ SV60 )
        = $false )
      | ( ( ! [SY158: $i] :
              ( ~ ( ssList @ SY158 )
              | ~ ( segmentP @ SV20 @ SV47 )
              | ( segmentP @ ( app @ ( app @ SV60 @ SV20 ) @ SY158 ) @ SV47 ) ) )
        = $true )
      | ( ( ssList @ SV47 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[475]) ).

thf(510,plain,
    ! [SV21: $i,SV48: $i,SV61: $i] :
      ( ( ( ssList @ SV61 )
        = $false )
      | ( ( ( ( app @ SV48 @ SV61 )
           != ( app @ SV48 @ SV21 ) )
          | ( SV61 = SV21 ) )
        = $true )
      | ( ( ssList @ SV48 )
        = $false )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[476]) ).

thf(511,plain,
    ! [SV49: $i,SV22: $i] :
      ( ( ( ~ ( frontsegP @ SV22 @ SV49 )
          | ~ ( frontsegP @ SV49 @ SV22 ) )
        = $true )
      | ( ( SV22 = SV49 )
        = $true )
      | ( ( ssList @ SV49 )
        = $false )
      | ( ( ssList @ SV22 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[477]) ).

thf(512,plain,
    ! [SV50: $i,SV24: $i] :
      ( ( ( nil = SV24 )
        = $true )
      | ( ( ( hd @ ( app @ SV24 @ SV50 ) )
          = ( hd @ SV24 ) )
        = $true )
      | ( ( ssList @ SV50 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[480]) ).

thf(513,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( ~ ( neq @ SV25 @ SV51 )
          | ( SV25 != SV51 ) )
        = $true )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[481]) ).

thf(514,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( ~ ( ( SV25 != SV51 ) )
          | ( neq @ SV25 @ SV51 ) )
        = $true )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[482]) ).

thf(515,plain,
    ! [SV28: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK6_SY117 @ SV28 ) )
              | ( ( tl @ SV28 )
               != ( sK6_SY117 @ SV28 ) ) ) )
        = $true )
      | ( ( nil = SV28 )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[483]) ).

thf(516,plain,
    ! [SV52: $i,SV29: $i,SV62: $i] :
      ( ( ( ssList @ SV62 )
        = $false )
      | ( ( ~ ( frontsegP @ SV29 @ SV52 )
          | ( frontsegP @ ( app @ SV29 @ SV62 ) @ SV52 ) )
        = $true )
      | ( ( ssList @ SV52 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[484]) ).

thf(517,plain,
    ! [SV53: $i,SV32: $i,SV63: $i] :
      ( ( ( ssList @ SV63 )
        = $false )
      | ( ( ~ ~ ( ~ ( segmentP @ SV32 @ SV53 )
                | ~ ( segmentP @ SV53 @ SV63 ) )
          | ( segmentP @ SV32 @ SV63 ) )
        = $true )
      | ( ( ssList @ SV53 )
        = $false )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[485]) ).

thf(518,plain,
    ! [SV54: $i,SV33: $i] :
      ( ( ( nil = SV33 )
        = $true )
      | ( ( ( tl @ ( app @ SV33 @ SV54 ) )
          = ( app @ ( tl @ SV33 ) @ SV54 ) )
        = $true )
      | ( ( ssList @ SV54 )
        = $false )
      | ( ( ssList @ SV33 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[486]) ).

thf(519,plain,
    ! [SV34: $i,SV55: $i,SV64: $i] :
      ( ( ( ssList @ SV64 )
        = $false )
      | ( ( ( ( app @ SV64 @ SV55 )
           != ( app @ SV34 @ SV55 ) )
          | ( SV64 = SV34 ) )
        = $true )
      | ( ( ssList @ SV55 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[487]) ).

thf(520,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ( segmentP @ SV1 @ SV35 ) )
        = $true )
      | ( ( ~ ! [SY131: $i] :
                ~ ~ ( ~ ( ssList @ SY131 )
                    | ~ ~ ! [SY132: $i] :
                            ~ ~ ( ~ ( ssList @ SY132 )
                                | ( ( app @ ( app @ SY131 @ SV35 ) @ SY132 )
                                 != SV1 ) ) ) )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[488]) ).

thf(521,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ~ ! [SY133: $i] :
                  ~ ~ ( ~ ( ssList @ SY133 )
                      | ~ ~ ! [SY134: $i] :
                              ~ ~ ( ~ ( ssList @ SY134 )
                                  | ( ( app @ ( app @ SY133 @ SV35 ) @ SY134 )
                                   != SV1 ) ) ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[489]) ).

thf(522,plain,
    ! [SV36: $i,SV2: $i] :
      ( ( ( ~ ( rearsegP @ SV2 @ SV36 ) )
        = $true )
      | ( ( ~ ( rearsegP @ SV36 @ SV2 ) )
        = $true )
      | ( ( SV2 = SV36 )
        = $true )
      | ( ( ssList @ SV36 )
        = $false )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[490]) ).

thf(523,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( ~ ( frontsegP @ SV4 @ SV37 ) )
        = $true )
      | ( ( ~ ! [SY135: $i] :
                ~ ~ ( ~ ( ssList @ SY135 )
                    | ( ( app @ SV37 @ SY135 )
                     != SV4 ) ) )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[491]) ).

thf(524,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ~ ~ ! [SY136: $i] :
                  ~ ~ ( ~ ( ssList @ SY136 )
                      | ( ( app @ SV37 @ SY136 )
                       != SV4 ) ) )
        = $true )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[492]) ).

thf(525,plain,
    ! [SV56: $i,SV38: $i,SV8: $i] :
      ( ( ( ~ ( rearsegP @ SV8 @ SV38 ) )
        = $true )
      | ( ( rearsegP @ ( app @ SV56 @ SV8 ) @ SV38 )
        = $true )
      | ( ( ssList @ SV56 )
        = $false )
      | ( ( ssList @ SV38 )
        = $false )
      | ( ( ssList @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[493]) ).

thf(526,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( ~ ( neq @ SV9 @ SV39 ) )
        = $true )
      | ( ( SV9 != SV39 )
        = $true )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[494]) ).

thf(527,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( ~ ( ( SV9 != SV39 ) ) )
        = $true )
      | ( ( neq @ SV9 @ SV39 )
        = $true )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[495]) ).

thf(528,plain,
    ! [SV57: $i,SV40: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ( frontsegP @ SV10 @ SV40 )
                | ~ ( frontsegP @ SV40 @ SV57 ) ) )
        = $true )
      | ( ( frontsegP @ SV10 @ SV57 )
        = $true )
      | ( ( ssList @ SV57 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[496]) ).

thf(529,plain,
    ( ( ~ ( ssList @ sK4_SY139 )
      | ( sK2_SX0 != sK4_SY139 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[497]) ).

thf(530,plain,
    ( ( sK1_U != sK3_SY125 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[497]) ).

thf(531,plain,
    ( ( neq @ sK2_SX0 @ nil )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[498]) ).

thf(532,plain,
    ! [SV65: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SV65 )
                          | ~ ( neq @ SV65 @ nil ) )
                    | ~ ( segmentP @ sK2_SX0 @ SV65 ) )
              | ~ ( segmentP @ sK1_U @ SV65 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[499]) ).

thf(533,plain,
    ( ( ssList @ sK5_SY155 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[500]) ).

thf(534,plain,
    ( ( ~ ( ssList @ sK7_SY159 )
      | ! [SY161: $i] :
          ( ~ ( ssList @ SY161 )
          | ( ( app @ ( app @ sK5_SY155 @ sK7_SY159 ) @ SY161 )
           != sK3_SY125 )
          | ( ( app @ sK5_SY155 @ SY161 )
           != sK4_SY139 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[501]) ).

thf(535,plain,
    ! [SV41: $i,SV13: $i] :
      ( ( ( nil
         != ( app @ SV13 @ SV41 ) )
        = $true )
      | ( ( ~ ( ( nil != SV41 )
              | ( nil != SV13 ) ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[502]) ).

thf(536,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( ~ ~ ( ( nil != SV41 )
                | ( nil != SV13 ) ) )
        = $true )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[503]) ).

thf(537,plain,
    ! [SV58: $i,SV43: $i,SV16: $i] :
      ( ( ( ~ ~ ( ~ ( rearsegP @ SV16 @ SV43 )
                | ~ ( rearsegP @ SV43 @ SV58 ) ) )
        = $true )
      | ( ( rearsegP @ SV16 @ SV58 )
        = $true )
      | ( ( ssList @ SV58 )
        = $false )
      | ( ( ssList @ SV43 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[504]) ).

thf(538,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ~ ( rearsegP @ SV18 @ SV45 ) )
        = $true )
      | ( ( ~ ! [SY146: $i] :
                ~ ~ ( ~ ( ssList @ SY146 )
                    | ( ( app @ SY146 @ SV45 )
                     != SV18 ) ) )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[506]) ).

thf(539,plain,
    ! [SV18: $i,SV45: $i] :
      ( ( ( ~ ~ ! [SY147: $i] :
                  ~ ~ ( ~ ( ssList @ SY147 )
                      | ( ( app @ SY147 @ SV45 )
                       != SV18 ) ) )
        = $true )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[507]) ).

thf(540,plain,
    ! [SV46: $i,SV19: $i] :
      ( ( ( ~ ( segmentP @ SV19 @ SV46 ) )
        = $true )
      | ( ( ~ ( segmentP @ SV46 @ SV19 ) )
        = $true )
      | ( ( SV19 = SV46 )
        = $true )
      | ( ( ssList @ SV46 )
        = $false )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[508]) ).

thf(541,plain,
    ! [SV60: $i,SV47: $i,SV20: $i,SV66: $i] :
      ( ( ( ~ ( ssList @ SV66 )
          | ~ ( segmentP @ SV20 @ SV47 )
          | ( segmentP @ ( app @ ( app @ SV60 @ SV20 ) @ SV66 ) @ SV47 ) )
        = $true )
      | ( ( ssList @ SV60 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[509]) ).

thf(542,plain,
    ! [SV21: $i,SV61: $i,SV48: $i] :
      ( ( ( ( app @ SV48 @ SV61 )
         != ( app @ SV48 @ SV21 ) )
        = $true )
      | ( ( SV61 = SV21 )
        = $true )
      | ( ( ssList @ SV61 )
        = $false )
      | ( ( ssList @ SV48 )
        = $false )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[510]) ).

thf(543,plain,
    ! [SV49: $i,SV22: $i] :
      ( ( ( ~ ( frontsegP @ SV22 @ SV49 ) )
        = $true )
      | ( ( ~ ( frontsegP @ SV49 @ SV22 ) )
        = $true )
      | ( ( SV22 = SV49 )
        = $true )
      | ( ( ssList @ SV49 )
        = $false )
      | ( ( ssList @ SV22 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[511]) ).

thf(544,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( ~ ( neq @ SV25 @ SV51 ) )
        = $true )
      | ( ( SV25 != SV51 )
        = $true )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[513]) ).

thf(545,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( ~ ( ( SV25 != SV51 ) ) )
        = $true )
      | ( ( neq @ SV25 @ SV51 )
        = $true )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[514]) ).

thf(546,plain,
    ! [SV28: $i] :
      ( ( ( ~ ( ssList @ ( sK6_SY117 @ SV28 ) )
          | ( ( tl @ SV28 )
           != ( sK6_SY117 @ SV28 ) ) )
        = $false )
      | ( ( nil = SV28 )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[515]) ).

thf(547,plain,
    ! [SV62: $i,SV52: $i,SV29: $i] :
      ( ( ( ~ ( frontsegP @ SV29 @ SV52 ) )
        = $true )
      | ( ( frontsegP @ ( app @ SV29 @ SV62 ) @ SV52 )
        = $true )
      | ( ( ssList @ SV62 )
        = $false )
      | ( ( ssList @ SV52 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[516]) ).

thf(548,plain,
    ! [SV63: $i,SV53: $i,SV32: $i] :
      ( ( ( ~ ~ ( ~ ( segmentP @ SV32 @ SV53 )
                | ~ ( segmentP @ SV53 @ SV63 ) ) )
        = $true )
      | ( ( segmentP @ SV32 @ SV63 )
        = $true )
      | ( ( ssList @ SV63 )
        = $false )
      | ( ( ssList @ SV53 )
        = $false )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[517]) ).

thf(549,plain,
    ! [SV34: $i,SV55: $i,SV64: $i] :
      ( ( ( ( app @ SV64 @ SV55 )
         != ( app @ SV34 @ SV55 ) )
        = $true )
      | ( ( SV64 = SV34 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false )
      | ( ( ssList @ SV55 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[519]) ).

thf(550,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ~ ! [SY131: $i] :
                ~ ~ ( ~ ( ssList @ SY131 )
                    | ~ ~ ! [SY132: $i] :
                            ~ ~ ( ~ ( ssList @ SY132 )
                                | ( ( app @ ( app @ SY131 @ SV35 ) @ SY132 )
                                 != SV1 ) ) ) )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[520]) ).

thf(551,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ! [SY133: $i] :
                ~ ~ ( ~ ( ssList @ SY133 )
                    | ~ ~ ! [SY134: $i] :
                            ~ ~ ( ~ ( ssList @ SY134 )
                                | ( ( app @ ( app @ SY133 @ SV35 ) @ SY134 )
                                 != SV1 ) ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[521]) ).

thf(552,plain,
    ! [SV36: $i,SV2: $i] :
      ( ( ( rearsegP @ SV2 @ SV36 )
        = $false )
      | ( ( ~ ( rearsegP @ SV36 @ SV2 ) )
        = $true )
      | ( ( SV2 = SV36 )
        = $true )
      | ( ( ssList @ SV36 )
        = $false )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[522]) ).

thf(553,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( frontsegP @ SV4 @ SV37 )
        = $false )
      | ( ( ~ ! [SY135: $i] :
                ~ ~ ( ~ ( ssList @ SY135 )
                    | ( ( app @ SV37 @ SY135 )
                     != SV4 ) ) )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[523]) ).

thf(554,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ~ ! [SY136: $i] :
                ~ ~ ( ~ ( ssList @ SY136 )
                    | ( ( app @ SV37 @ SY136 )
                     != SV4 ) ) )
        = $false )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[524]) ).

thf(555,plain,
    ! [SV56: $i,SV38: $i,SV8: $i] :
      ( ( ( rearsegP @ SV8 @ SV38 )
        = $false )
      | ( ( rearsegP @ ( app @ SV56 @ SV8 ) @ SV38 )
        = $true )
      | ( ( ssList @ SV56 )
        = $false )
      | ( ( ssList @ SV38 )
        = $false )
      | ( ( ssList @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[525]) ).

thf(556,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( neq @ SV9 @ SV39 )
        = $false )
      | ( ( SV9 != SV39 )
        = $true )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[526]) ).

thf(557,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( SV9 != SV39 )
        = $false )
      | ( ( neq @ SV9 @ SV39 )
        = $true )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[527]) ).

thf(558,plain,
    ! [SV57: $i,SV40: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ SV10 @ SV40 )
              | ~ ( frontsegP @ SV40 @ SV57 ) ) )
        = $false )
      | ( ( frontsegP @ SV10 @ SV57 )
        = $true )
      | ( ( ssList @ SV57 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[528]) ).

thf(559,plain,
    ( ( ~ ( ssList @ sK4_SY139 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[529]) ).

thf(560,plain,
    ( ( sK2_SX0 != sK4_SY139 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[529]) ).

thf(561,plain,
    ( ( sK1_U = sK3_SY125 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[530]) ).

thf(562,plain,
    ! [SV65: $i] :
      ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( ssList @ SV65 )
                        | ~ ( neq @ SV65 @ nil ) )
                  | ~ ( segmentP @ sK2_SX0 @ SV65 ) )
            | ~ ( segmentP @ sK1_U @ SV65 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[532]) ).

thf(563,plain,
    ( ( ~ ( ssList @ sK7_SY159 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[534]) ).

thf(564,plain,
    ( ( ! [SY161: $i] :
          ( ~ ( ssList @ SY161 )
          | ( ( app @ ( app @ sK5_SY155 @ sK7_SY159 ) @ SY161 )
           != sK3_SY125 )
          | ( ( app @ sK5_SY155 @ SY161 )
           != sK4_SY139 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[534]) ).

thf(565,plain,
    ! [SV41: $i,SV13: $i] :
      ( ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $false )
      | ( ( ~ ( ( nil != SV41 )
              | ( nil != SV13 ) ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[535]) ).

thf(566,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( ~ ( ( nil != SV41 )
              | ( nil != SV13 ) ) )
        = $false )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[536]) ).

thf(567,plain,
    ! [SV58: $i,SV43: $i,SV16: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ SV16 @ SV43 )
              | ~ ( rearsegP @ SV43 @ SV58 ) ) )
        = $false )
      | ( ( rearsegP @ SV16 @ SV58 )
        = $true )
      | ( ( ssList @ SV58 )
        = $false )
      | ( ( ssList @ SV43 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[537]) ).

thf(568,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( rearsegP @ SV18 @ SV45 )
        = $false )
      | ( ( ~ ! [SY146: $i] :
                ~ ~ ( ~ ( ssList @ SY146 )
                    | ( ( app @ SY146 @ SV45 )
                     != SV18 ) ) )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[538]) ).

thf(569,plain,
    ! [SV18: $i,SV45: $i] :
      ( ( ( ~ ! [SY147: $i] :
                ~ ~ ( ~ ( ssList @ SY147 )
                    | ( ( app @ SY147 @ SV45 )
                     != SV18 ) ) )
        = $false )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[539]) ).

thf(570,plain,
    ! [SV46: $i,SV19: $i] :
      ( ( ( segmentP @ SV19 @ SV46 )
        = $false )
      | ( ( ~ ( segmentP @ SV46 @ SV19 ) )
        = $true )
      | ( ( SV19 = SV46 )
        = $true )
      | ( ( ssList @ SV46 )
        = $false )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[540]) ).

thf(571,plain,
    ! [SV60: $i,SV47: $i,SV20: $i,SV66: $i] :
      ( ( ( ~ ( ssList @ SV66 ) )
        = $true )
      | ( ( ~ ( segmentP @ SV20 @ SV47 )
          | ( segmentP @ ( app @ ( app @ SV60 @ SV20 ) @ SV66 ) @ SV47 ) )
        = $true )
      | ( ( ssList @ SV60 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[541]) ).

thf(572,plain,
    ! [SV21: $i,SV61: $i,SV48: $i] :
      ( ( ( ( app @ SV48 @ SV61 )
          = ( app @ SV48 @ SV21 ) )
        = $false )
      | ( ( SV61 = SV21 )
        = $true )
      | ( ( ssList @ SV61 )
        = $false )
      | ( ( ssList @ SV48 )
        = $false )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[542]) ).

thf(573,plain,
    ! [SV49: $i,SV22: $i] :
      ( ( ( frontsegP @ SV22 @ SV49 )
        = $false )
      | ( ( ~ ( frontsegP @ SV49 @ SV22 ) )
        = $true )
      | ( ( SV22 = SV49 )
        = $true )
      | ( ( ssList @ SV49 )
        = $false )
      | ( ( ssList @ SV22 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[543]) ).

thf(574,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( neq @ SV25 @ SV51 )
        = $false )
      | ( ( SV25 != SV51 )
        = $true )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[544]) ).

thf(575,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( SV25 != SV51 )
        = $false )
      | ( ( neq @ SV25 @ SV51 )
        = $true )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[545]) ).

thf(576,plain,
    ! [SV28: $i] :
      ( ( ( ~ ( ssList @ ( sK6_SY117 @ SV28 ) ) )
        = $false )
      | ( ( nil = SV28 )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[546]) ).

thf(577,plain,
    ! [SV28: $i] :
      ( ( ( ( tl @ SV28 )
         != ( sK6_SY117 @ SV28 ) )
        = $false )
      | ( ( nil = SV28 )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[546]) ).

thf(578,plain,
    ! [SV62: $i,SV52: $i,SV29: $i] :
      ( ( ( frontsegP @ SV29 @ SV52 )
        = $false )
      | ( ( frontsegP @ ( app @ SV29 @ SV62 ) @ SV52 )
        = $true )
      | ( ( ssList @ SV62 )
        = $false )
      | ( ( ssList @ SV52 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[547]) ).

thf(579,plain,
    ! [SV63: $i,SV53: $i,SV32: $i] :
      ( ( ( ~ ( ~ ( segmentP @ SV32 @ SV53 )
              | ~ ( segmentP @ SV53 @ SV63 ) ) )
        = $false )
      | ( ( segmentP @ SV32 @ SV63 )
        = $true )
      | ( ( ssList @ SV63 )
        = $false )
      | ( ( ssList @ SV53 )
        = $false )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[548]) ).

thf(580,plain,
    ! [SV34: $i,SV55: $i,SV64: $i] :
      ( ( ( ( app @ SV64 @ SV55 )
          = ( app @ SV34 @ SV55 ) )
        = $false )
      | ( ( SV64 = SV34 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false )
      | ( ( ssList @ SV55 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[549]) ).

thf(581,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ! [SY131: $i] :
              ~ ~ ( ~ ( ssList @ SY131 )
                  | ~ ~ ! [SY132: $i] :
                          ~ ~ ( ~ ( ssList @ SY132 )
                              | ( ( app @ ( app @ SY131 @ SV35 ) @ SY132 )
                               != SV1 ) ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[550]) ).

thf(582,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ! [SY133: $i] :
              ~ ~ ( ~ ( ssList @ SY133 )
                  | ~ ~ ! [SY134: $i] :
                          ~ ~ ( ~ ( ssList @ SY134 )
                              | ( ( app @ ( app @ SY133 @ SV35 ) @ SY134 )
                               != SV1 ) ) ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[551]) ).

thf(583,plain,
    ! [SV2: $i,SV36: $i] :
      ( ( ( rearsegP @ SV36 @ SV2 )
        = $false )
      | ( ( rearsegP @ SV2 @ SV36 )
        = $false )
      | ( ( SV2 = SV36 )
        = $true )
      | ( ( ssList @ SV36 )
        = $false )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[552]) ).

thf(584,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ! [SY135: $i] :
              ~ ~ ( ~ ( ssList @ SY135 )
                  | ( ( app @ SV37 @ SY135 )
                   != SV4 ) ) )
        = $false )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[553]) ).

thf(585,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ! [SY136: $i] :
              ~ ~ ( ~ ( ssList @ SY136 )
                  | ( ( app @ SV37 @ SY136 )
                   != SV4 ) ) )
        = $true )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[554]) ).

thf(586,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( SV9 = SV39 )
        = $false )
      | ( ( neq @ SV9 @ SV39 )
        = $false )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[556]) ).

thf(587,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ( SV9 = SV39 )
        = $true )
      | ( ( neq @ SV9 @ SV39 )
        = $true )
      | ( ( ssItem @ SV39 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[557]) ).

thf(588,plain,
    ! [SV57: $i,SV40: $i,SV10: $i] :
      ( ( ( ~ ( frontsegP @ SV10 @ SV40 )
          | ~ ( frontsegP @ SV40 @ SV57 ) )
        = $true )
      | ( ( frontsegP @ SV10 @ SV57 )
        = $true )
      | ( ( ssList @ SV57 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[558]) ).

thf(589,plain,
    ( ( ssList @ sK4_SY139 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[559]) ).

thf(590,plain,
    ( ( sK2_SX0 = sK4_SY139 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[560]) ).

thf(591,plain,
    ! [SV65: $i] :
      ( ( ~ ~ ( ~ ~ ( ~ ( ssList @ SV65 )
                    | ~ ( neq @ SV65 @ nil ) )
              | ~ ( segmentP @ sK2_SX0 @ SV65 ) )
        | ~ ( segmentP @ sK1_U @ SV65 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[562]) ).

thf(592,plain,
    ( ( ssList @ sK7_SY159 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[563]) ).

thf(593,plain,
    ( ( ~ ( ssList @ sK8_SY161 )
      | ( ( app @ ( app @ sK5_SY155 @ sK7_SY159 ) @ sK8_SY161 )
       != sK3_SY125 )
      | ( ( app @ sK5_SY155 @ sK8_SY161 )
       != sK4_SY139 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[564]) ).

thf(594,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( ( nil != SV41 )
          | ( nil != SV13 ) )
        = $false )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $false )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[565]) ).

thf(595,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( ( nil != SV41 )
          | ( nil != SV13 ) )
        = $true )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[566]) ).

thf(596,plain,
    ! [SV58: $i,SV43: $i,SV16: $i] :
      ( ( ( ~ ( rearsegP @ SV16 @ SV43 )
          | ~ ( rearsegP @ SV43 @ SV58 ) )
        = $true )
      | ( ( rearsegP @ SV16 @ SV58 )
        = $true )
      | ( ( ssList @ SV58 )
        = $false )
      | ( ( ssList @ SV43 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[567]) ).

thf(597,plain,
    ! [SV18: $i,SV45: $i] :
      ( ( ( ! [SY146: $i] :
              ~ ~ ( ~ ( ssList @ SY146 )
                  | ( ( app @ SY146 @ SV45 )
                   != SV18 ) ) )
        = $false )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[568]) ).

thf(598,plain,
    ! [SV18: $i,SV45: $i] :
      ( ( ( ! [SY147: $i] :
              ~ ~ ( ~ ( ssList @ SY147 )
                  | ( ( app @ SY147 @ SV45 )
                   != SV18 ) ) )
        = $true )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[569]) ).

thf(599,plain,
    ! [SV19: $i,SV46: $i] :
      ( ( ( segmentP @ SV46 @ SV19 )
        = $false )
      | ( ( segmentP @ SV19 @ SV46 )
        = $false )
      | ( ( SV19 = SV46 )
        = $true )
      | ( ( ssList @ SV46 )
        = $false )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[570]) ).

thf(600,plain,
    ! [SV60: $i,SV47: $i,SV20: $i,SV66: $i] :
      ( ( ( ssList @ SV66 )
        = $false )
      | ( ( ~ ( segmentP @ SV20 @ SV47 )
          | ( segmentP @ ( app @ ( app @ SV60 @ SV20 ) @ SV66 ) @ SV47 ) )
        = $true )
      | ( ( ssList @ SV60 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[571]) ).

thf(601,plain,
    ! [SV22: $i,SV49: $i] :
      ( ( ( frontsegP @ SV49 @ SV22 )
        = $false )
      | ( ( frontsegP @ SV22 @ SV49 )
        = $false )
      | ( ( SV22 = SV49 )
        = $true )
      | ( ( ssList @ SV49 )
        = $false )
      | ( ( ssList @ SV22 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[573]) ).

thf(602,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( SV25 = SV51 )
        = $false )
      | ( ( neq @ SV25 @ SV51 )
        = $false )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[574]) ).

thf(603,plain,
    ! [SV51: $i,SV25: $i] :
      ( ( ( SV25 = SV51 )
        = $true )
      | ( ( neq @ SV25 @ SV51 )
        = $true )
      | ( ( ssList @ SV51 )
        = $false )
      | ( ( ssList @ SV25 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[575]) ).

thf(604,plain,
    ! [SV28: $i] :
      ( ( ( ssList @ ( sK6_SY117 @ SV28 ) )
        = $true )
      | ( ( nil = SV28 )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[576]) ).

thf(605,plain,
    ! [SV28: $i] :
      ( ( ( ( tl @ SV28 )
          = ( sK6_SY117 @ SV28 ) )
        = $true )
      | ( ( nil = SV28 )
        = $true )
      | ( ( ssList @ SV28 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[577]) ).

thf(606,plain,
    ! [SV63: $i,SV53: $i,SV32: $i] :
      ( ( ( ~ ( segmentP @ SV32 @ SV53 )
          | ~ ( segmentP @ SV53 @ SV63 ) )
        = $true )
      | ( ( segmentP @ SV32 @ SV63 )
        = $true )
      | ( ( ssList @ SV63 )
        = $false )
      | ( ( ssList @ SV53 )
        = $false )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[579]) ).

thf(607,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK9_SY131 @ SV1 @ SV35 ) )
                | ~ ~ ! [SY162: $i] :
                        ~ ~ ( ~ ( ssList @ SY162 )
                            | ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ SY162 )
                             != SV1 ) ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[581]) ).

thf(608,plain,
    ! [SV1: $i,SV35: $i,SV67: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV67 )
                | ~ ~ ! [SY163: $i] :
                        ~ ~ ( ~ ( ssList @ SY163 )
                            | ( ( app @ ( app @ SV67 @ SV35 ) @ SY163 )
                             != SV1 ) ) ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[582]) ).

thf(609,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK10_SY135 @ SV4 @ SV37 ) )
                | ( ( app @ SV37 @ ( sK10_SY135 @ SV4 @ SV37 ) )
                 != SV4 ) ) )
        = $false )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[584]) ).

thf(610,plain,
    ! [SV4: $i,SV37: $i,SV68: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV68 )
                | ( ( app @ SV37 @ SV68 )
                 != SV4 ) ) )
        = $true )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[585]) ).

thf(611,plain,
    ! [SV57: $i,SV40: $i,SV10: $i] :
      ( ( ( ~ ( frontsegP @ SV10 @ SV40 ) )
        = $true )
      | ( ( ~ ( frontsegP @ SV40 @ SV57 ) )
        = $true )
      | ( ( frontsegP @ SV10 @ SV57 )
        = $true )
      | ( ( ssList @ SV57 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[588]) ).

thf(612,plain,
    ! [SV65: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( ssList @ SV65 )
                      | ~ ( neq @ SV65 @ nil ) )
                | ~ ( segmentP @ sK2_SX0 @ SV65 ) ) )
        = $true )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[591]) ).

thf(613,plain,
    ( ( ~ ( ssList @ sK8_SY161 )
      | ( ( app @ ( app @ sK5_SY155 @ sK7_SY159 ) @ sK8_SY161 )
       != sK3_SY125 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[593]) ).

thf(614,plain,
    ( ( ( app @ sK5_SY155 @ sK8_SY161 )
     != sK4_SY139 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[593]) ).

thf(615,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( nil != SV41 )
        = $false )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $false )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[594]) ).

thf(616,plain,
    ! [SV41: $i,SV13: $i] :
      ( ( ( nil != SV13 )
        = $false )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $false )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[594]) ).

thf(617,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( nil != SV41 )
        = $true )
      | ( ( nil != SV13 )
        = $true )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[595]) ).

thf(618,plain,
    ! [SV58: $i,SV43: $i,SV16: $i] :
      ( ( ( ~ ( rearsegP @ SV16 @ SV43 ) )
        = $true )
      | ( ( ~ ( rearsegP @ SV43 @ SV58 ) )
        = $true )
      | ( ( rearsegP @ SV16 @ SV58 )
        = $true )
      | ( ( ssList @ SV58 )
        = $false )
      | ( ( ssList @ SV43 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[596]) ).

thf(619,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK11_SY146 @ SV18 @ SV45 ) )
                | ( ( app @ ( sK11_SY146 @ SV18 @ SV45 ) @ SV45 )
                 != SV18 ) ) )
        = $false )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[597]) ).

thf(620,plain,
    ! [SV18: $i,SV45: $i,SV69: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV69 )
                | ( ( app @ SV69 @ SV45 )
                 != SV18 ) ) )
        = $true )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[598]) ).

thf(621,plain,
    ! [SV66: $i,SV60: $i,SV47: $i,SV20: $i] :
      ( ( ( ~ ( segmentP @ SV20 @ SV47 ) )
        = $true )
      | ( ( segmentP @ ( app @ ( app @ SV60 @ SV20 ) @ SV66 ) @ SV47 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false )
      | ( ( ssList @ SV60 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[600]) ).

thf(622,plain,
    ! [SV63: $i,SV53: $i,SV32: $i] :
      ( ( ( ~ ( segmentP @ SV32 @ SV53 ) )
        = $true )
      | ( ( ~ ( segmentP @ SV53 @ SV63 ) )
        = $true )
      | ( ( segmentP @ SV32 @ SV63 )
        = $true )
      | ( ( ssList @ SV63 )
        = $false )
      | ( ( ssList @ SV53 )
        = $false )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[606]) ).

thf(623,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK9_SY131 @ SV1 @ SV35 ) )
              | ~ ~ ! [SY162: $i] :
                      ~ ~ ( ~ ( ssList @ SY162 )
                          | ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ SY162 )
                           != SV1 ) ) ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[607]) ).

thf(624,plain,
    ! [SV1: $i,SV35: $i,SV67: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV67 )
              | ~ ~ ! [SY163: $i] :
                      ~ ~ ( ~ ( ssList @ SY163 )
                          | ( ( app @ ( app @ SV67 @ SV35 ) @ SY163 )
                           != SV1 ) ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[608]) ).

thf(625,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK10_SY135 @ SV4 @ SV37 ) )
              | ( ( app @ SV37 @ ( sK10_SY135 @ SV4 @ SV37 ) )
               != SV4 ) ) )
        = $true )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[609]) ).

thf(626,plain,
    ! [SV4: $i,SV37: $i,SV68: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV68 )
              | ( ( app @ SV37 @ SV68 )
               != SV4 ) ) )
        = $false )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[610]) ).

thf(627,plain,
    ! [SV57: $i,SV40: $i,SV10: $i] :
      ( ( ( frontsegP @ SV10 @ SV40 )
        = $false )
      | ( ( ~ ( frontsegP @ SV40 @ SV57 ) )
        = $true )
      | ( ( frontsegP @ SV10 @ SV57 )
        = $true )
      | ( ( ssList @ SV57 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[611]) ).

thf(628,plain,
    ! [SV65: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ssList @ SV65 )
                    | ~ ( neq @ SV65 @ nil ) )
              | ~ ( segmentP @ sK2_SX0 @ SV65 ) ) )
        = $false )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[612]) ).

thf(629,plain,
    ( ( ~ ( ssList @ sK8_SY161 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[613]) ).

thf(630,plain,
    ( ( ( app @ ( app @ sK5_SY155 @ sK7_SY159 ) @ sK8_SY161 )
     != sK3_SY125 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[613]) ).

thf(631,plain,
    ( ( ( app @ sK5_SY155 @ sK8_SY161 )
      = sK4_SY139 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[614]) ).

thf(632,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( nil = SV41 )
        = $true )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $false )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[615]) ).

thf(633,plain,
    ! [SV41: $i,SV13: $i] :
      ( ( ( nil = SV13 )
        = $true )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $false )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[616]) ).

thf(634,plain,
    ! [SV13: $i,SV41: $i] :
      ( ( ( nil = SV41 )
        = $false )
      | ( ( nil != SV13 )
        = $true )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[617]) ).

thf(635,plain,
    ! [SV58: $i,SV43: $i,SV16: $i] :
      ( ( ( rearsegP @ SV16 @ SV43 )
        = $false )
      | ( ( ~ ( rearsegP @ SV43 @ SV58 ) )
        = $true )
      | ( ( rearsegP @ SV16 @ SV58 )
        = $true )
      | ( ( ssList @ SV58 )
        = $false )
      | ( ( ssList @ SV43 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[618]) ).

thf(636,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK11_SY146 @ SV18 @ SV45 ) )
              | ( ( app @ ( sK11_SY146 @ SV18 @ SV45 ) @ SV45 )
               != SV18 ) ) )
        = $true )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[619]) ).

thf(637,plain,
    ! [SV18: $i,SV45: $i,SV69: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV69 )
              | ( ( app @ SV69 @ SV45 )
               != SV18 ) ) )
        = $false )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[620]) ).

thf(638,plain,
    ! [SV66: $i,SV60: $i,SV47: $i,SV20: $i] :
      ( ( ( segmentP @ SV20 @ SV47 )
        = $false )
      | ( ( segmentP @ ( app @ ( app @ SV60 @ SV20 ) @ SV66 ) @ SV47 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false )
      | ( ( ssList @ SV60 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[621]) ).

thf(639,plain,
    ! [SV63: $i,SV53: $i,SV32: $i] :
      ( ( ( segmentP @ SV32 @ SV53 )
        = $false )
      | ( ( ~ ( segmentP @ SV53 @ SV63 ) )
        = $true )
      | ( ( segmentP @ SV32 @ SV63 )
        = $true )
      | ( ( ssList @ SV63 )
        = $false )
      | ( ( ssList @ SV53 )
        = $false )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[622]) ).

thf(640,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ( ssList @ ( sK9_SY131 @ SV1 @ SV35 ) )
          | ~ ~ ! [SY162: $i] :
                  ~ ~ ( ~ ( ssList @ SY162 )
                      | ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ SY162 )
                       != SV1 ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[623]) ).

thf(641,plain,
    ! [SV1: $i,SV35: $i,SV67: $i] :
      ( ( ( ~ ( ssList @ SV67 )
          | ~ ~ ! [SY163: $i] :
                  ~ ~ ( ~ ( ssList @ SY163 )
                      | ( ( app @ ( app @ SV67 @ SV35 ) @ SY163 )
                       != SV1 ) ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[624]) ).

thf(642,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( ~ ( ssList @ ( sK10_SY135 @ SV4 @ SV37 ) )
          | ( ( app @ SV37 @ ( sK10_SY135 @ SV4 @ SV37 ) )
           != SV4 ) )
        = $false )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[625]) ).

thf(643,plain,
    ! [SV4: $i,SV37: $i,SV68: $i] :
      ( ( ( ~ ( ssList @ SV68 )
          | ( ( app @ SV37 @ SV68 )
           != SV4 ) )
        = $true )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[626]) ).

thf(644,plain,
    ! [SV10: $i,SV57: $i,SV40: $i] :
      ( ( ( frontsegP @ SV40 @ SV57 )
        = $false )
      | ( ( frontsegP @ SV10 @ SV40 )
        = $false )
      | ( ( frontsegP @ SV10 @ SV57 )
        = $true )
      | ( ( ssList @ SV57 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false )
      | ( ( ssList @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[627]) ).

thf(645,plain,
    ! [SV65: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV65 )
                | ~ ( neq @ SV65 @ nil ) )
          | ~ ( segmentP @ sK2_SX0 @ SV65 ) )
        = $true )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[628]) ).

thf(646,plain,
    ( ( ssList @ sK8_SY161 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[629]) ).

thf(647,plain,
    ( ( ( app @ ( app @ sK5_SY155 @ sK7_SY159 ) @ sK8_SY161 )
      = sK3_SY125 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[630]) ).

thf(648,plain,
    ! [SV41: $i,SV13: $i] :
      ( ( ( nil = SV13 )
        = $false )
      | ( ( nil = SV41 )
        = $false )
      | ( ( nil
          = ( app @ SV13 @ SV41 ) )
        = $true )
      | ( ( ssList @ SV41 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[634]) ).

thf(649,plain,
    ! [SV16: $i,SV58: $i,SV43: $i] :
      ( ( ( rearsegP @ SV43 @ SV58 )
        = $false )
      | ( ( rearsegP @ SV16 @ SV43 )
        = $false )
      | ( ( rearsegP @ SV16 @ SV58 )
        = $true )
      | ( ( ssList @ SV58 )
        = $false )
      | ( ( ssList @ SV43 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[635]) ).

thf(650,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ~ ( ssList @ ( sK11_SY146 @ SV18 @ SV45 ) )
          | ( ( app @ ( sK11_SY146 @ SV18 @ SV45 ) @ SV45 )
           != SV18 ) )
        = $false )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[636]) ).

thf(651,plain,
    ! [SV18: $i,SV45: $i,SV69: $i] :
      ( ( ( ~ ( ssList @ SV69 )
          | ( ( app @ SV69 @ SV45 )
           != SV18 ) )
        = $true )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[637]) ).

thf(652,plain,
    ! [SV32: $i,SV63: $i,SV53: $i] :
      ( ( ( segmentP @ SV53 @ SV63 )
        = $false )
      | ( ( segmentP @ SV32 @ SV53 )
        = $false )
      | ( ( segmentP @ SV32 @ SV63 )
        = $true )
      | ( ( ssList @ SV63 )
        = $false )
      | ( ( ssList @ SV53 )
        = $false )
      | ( ( ssList @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[639]) ).

thf(653,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ( ssList @ ( sK9_SY131 @ SV1 @ SV35 ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[640]) ).

thf(654,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ~ ! [SY162: $i] :
                  ~ ~ ( ~ ( ssList @ SY162 )
                      | ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ SY162 )
                       != SV1 ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[640]) ).

thf(655,plain,
    ! [SV1: $i,SV35: $i,SV67: $i] :
      ( ( ( ~ ( ssList @ SV67 ) )
        = $true )
      | ( ( ~ ~ ! [SY163: $i] :
                  ~ ~ ( ~ ( ssList @ SY163 )
                      | ( ( app @ ( app @ SV67 @ SV35 ) @ SY163 )
                       != SV1 ) ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[641]) ).

thf(656,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( ~ ( ssList @ ( sK10_SY135 @ SV4 @ SV37 ) ) )
        = $false )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[642]) ).

thf(657,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ( app @ SV37 @ ( sK10_SY135 @ SV4 @ SV37 ) )
         != SV4 )
        = $false )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[642]) ).

thf(658,plain,
    ! [SV4: $i,SV37: $i,SV68: $i] :
      ( ( ( ~ ( ssList @ SV68 ) )
        = $true )
      | ( ( ( app @ SV37 @ SV68 )
         != SV4 )
        = $true )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[643]) ).

thf(659,plain,
    ! [SV65: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV65 )
                | ~ ( neq @ SV65 @ nil ) ) )
        = $true )
      | ( ( ~ ( segmentP @ sK2_SX0 @ SV65 ) )
        = $true )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[645]) ).

thf(660,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ~ ( ssList @ ( sK11_SY146 @ SV18 @ SV45 ) ) )
        = $false )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[650]) ).

thf(661,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ( app @ ( sK11_SY146 @ SV18 @ SV45 ) @ SV45 )
         != SV18 )
        = $false )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[650]) ).

thf(662,plain,
    ! [SV18: $i,SV45: $i,SV69: $i] :
      ( ( ( ~ ( ssList @ SV69 ) )
        = $true )
      | ( ( ( app @ SV69 @ SV45 )
         != SV18 )
        = $true )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[651]) ).

thf(663,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ssList @ ( sK9_SY131 @ SV1 @ SV35 ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[653]) ).

thf(664,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ~ ! [SY162: $i] :
                ~ ~ ( ~ ( ssList @ SY162 )
                    | ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ SY162 )
                     != SV1 ) ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[654]) ).

thf(665,plain,
    ! [SV1: $i,SV35: $i,SV67: $i] :
      ( ( ( ssList @ SV67 )
        = $false )
      | ( ( ~ ~ ! [SY163: $i] :
                  ~ ~ ( ~ ( ssList @ SY163 )
                      | ( ( app @ ( app @ SV67 @ SV35 ) @ SY163 )
                       != SV1 ) ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[655]) ).

thf(666,plain,
    ! [SV37: $i,SV4: $i] :
      ( ( ( ssList @ ( sK10_SY135 @ SV4 @ SV37 ) )
        = $true )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[656]) ).

thf(667,plain,
    ! [SV4: $i,SV37: $i] :
      ( ( ( ( app @ SV37 @ ( sK10_SY135 @ SV4 @ SV37 ) )
          = SV4 )
        = $true )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $false )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[657]) ).

thf(668,plain,
    ! [SV4: $i,SV37: $i,SV68: $i] :
      ( ( ( ssList @ SV68 )
        = $false )
      | ( ( ( app @ SV37 @ SV68 )
         != SV4 )
        = $true )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[658]) ).

thf(669,plain,
    ! [SV65: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV65 )
              | ~ ( neq @ SV65 @ nil ) ) )
        = $false )
      | ( ( ~ ( segmentP @ sK2_SX0 @ SV65 ) )
        = $true )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[659]) ).

thf(670,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ssList @ ( sK11_SY146 @ SV18 @ SV45 ) )
        = $true )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[660]) ).

thf(671,plain,
    ! [SV45: $i,SV18: $i] :
      ( ( ( ( app @ ( sK11_SY146 @ SV18 @ SV45 ) @ SV45 )
          = SV18 )
        = $true )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $false )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[661]) ).

thf(672,plain,
    ! [SV18: $i,SV45: $i,SV69: $i] :
      ( ( ( ssList @ SV69 )
        = $false )
      | ( ( ( app @ SV69 @ SV45 )
         != SV18 )
        = $true )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[662]) ).

thf(673,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ! [SY162: $i] :
              ~ ~ ( ~ ( ssList @ SY162 )
                  | ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ SY162 )
                   != SV1 ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[664]) ).

thf(674,plain,
    ! [SV1: $i,SV35: $i,SV67: $i] :
      ( ( ( ~ ! [SY163: $i] :
                ~ ~ ( ~ ( ssList @ SY163 )
                    | ( ( app @ ( app @ SV67 @ SV35 ) @ SY163 )
                     != SV1 ) ) )
        = $false )
      | ( ( ssList @ SV67 )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[665]) ).

thf(675,plain,
    ! [SV4: $i,SV68: $i,SV37: $i] :
      ( ( ( ( app @ SV37 @ SV68 )
          = SV4 )
        = $false )
      | ( ( ssList @ SV68 )
        = $false )
      | ( ( frontsegP @ SV4 @ SV37 )
        = $true )
      | ( ( ssList @ SV37 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[668]) ).

thf(676,plain,
    ! [SV65: $i] :
      ( ( ( ~ ( ssList @ SV65 )
          | ~ ( neq @ SV65 @ nil ) )
        = $true )
      | ( ( ~ ( segmentP @ sK2_SX0 @ SV65 ) )
        = $true )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[669]) ).

thf(677,plain,
    ! [SV18: $i,SV45: $i,SV69: $i] :
      ( ( ( ( app @ SV69 @ SV45 )
          = SV18 )
        = $false )
      | ( ( ssList @ SV69 )
        = $false )
      | ( ( rearsegP @ SV18 @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[672]) ).

thf(678,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK12_SY162 @ SV35 @ SV1 ) )
                | ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ ( sK12_SY162 @ SV35 @ SV1 ) )
                 != SV1 ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[673]) ).

thf(679,plain,
    ! [SV1: $i,SV35: $i,SV67: $i] :
      ( ( ( ! [SY163: $i] :
              ~ ~ ( ~ ( ssList @ SY163 )
                  | ( ( app @ ( app @ SV67 @ SV35 ) @ SY163 )
                   != SV1 ) ) )
        = $true )
      | ( ( ssList @ SV67 )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[674]) ).

thf(680,plain,
    ! [SV65: $i] :
      ( ( ( ~ ( ssList @ SV65 ) )
        = $true )
      | ( ( ~ ( neq @ SV65 @ nil ) )
        = $true )
      | ( ( ~ ( segmentP @ sK2_SX0 @ SV65 ) )
        = $true )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[676]) ).

thf(681,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK12_SY162 @ SV35 @ SV1 ) )
              | ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ ( sK12_SY162 @ SV35 @ SV1 ) )
               != SV1 ) ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[678]) ).

thf(682,plain,
    ! [SV1: $i,SV35: $i,SV67: $i,SV70: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV70 )
                | ( ( app @ ( app @ SV67 @ SV35 ) @ SV70 )
                 != SV1 ) ) )
        = $true )
      | ( ( ssList @ SV67 )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[679]) ).

thf(683,plain,
    ! [SV65: $i] :
      ( ( ( ssList @ SV65 )
        = $false )
      | ( ( ~ ( neq @ SV65 @ nil ) )
        = $true )
      | ( ( ~ ( segmentP @ sK2_SX0 @ SV65 ) )
        = $true )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[680]) ).

thf(684,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ( ssList @ ( sK12_SY162 @ SV35 @ SV1 ) )
          | ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ ( sK12_SY162 @ SV35 @ SV1 ) )
           != SV1 ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[681]) ).

thf(685,plain,
    ! [SV1: $i,SV35: $i,SV67: $i,SV70: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV70 )
              | ( ( app @ ( app @ SV67 @ SV35 ) @ SV70 )
               != SV1 ) ) )
        = $false )
      | ( ( ssList @ SV67 )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[682]) ).

thf(686,plain,
    ! [SV65: $i] :
      ( ( ( neq @ SV65 @ nil )
        = $false )
      | ( ( ssList @ SV65 )
        = $false )
      | ( ( ~ ( segmentP @ sK2_SX0 @ SV65 ) )
        = $true )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[683]) ).

thf(687,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ~ ( ssList @ ( sK12_SY162 @ SV35 @ SV1 ) ) )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[684]) ).

thf(688,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ ( sK12_SY162 @ SV35 @ SV1 ) )
         != SV1 )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[684]) ).

thf(689,plain,
    ! [SV1: $i,SV35: $i,SV67: $i,SV70: $i] :
      ( ( ( ~ ( ssList @ SV70 )
          | ( ( app @ ( app @ SV67 @ SV35 ) @ SV70 )
           != SV1 ) )
        = $true )
      | ( ( ssList @ SV67 )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[685]) ).

thf(690,plain,
    ! [SV65: $i] :
      ( ( ( segmentP @ sK2_SX0 @ SV65 )
        = $false )
      | ( ( ssList @ SV65 )
        = $false )
      | ( ( neq @ SV65 @ nil )
        = $false )
      | ( ( ~ ( segmentP @ sK1_U @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[686]) ).

thf(691,plain,
    ! [SV1: $i,SV35: $i] :
      ( ( ( ssList @ ( sK12_SY162 @ SV35 @ SV1 ) )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[687]) ).

thf(692,plain,
    ! [SV35: $i,SV1: $i] :
      ( ( ( ( app @ ( app @ ( sK9_SY131 @ SV1 @ SV35 ) @ SV35 ) @ ( sK12_SY162 @ SV35 @ SV1 ) )
          = SV1 )
        = $true )
      | ( ( segmentP @ SV1 @ SV35 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[688]) ).

thf(693,plain,
    ! [SV1: $i,SV35: $i,SV67: $i,SV70: $i] :
      ( ( ( ~ ( ssList @ SV70 ) )
        = $true )
      | ( ( ( app @ ( app @ SV67 @ SV35 ) @ SV70 )
         != SV1 )
        = $true )
      | ( ( ssList @ SV67 )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[689]) ).

thf(694,plain,
    ! [SV65: $i] :
      ( ( ( segmentP @ sK1_U @ SV65 )
        = $false )
      | ( ( neq @ SV65 @ nil )
        = $false )
      | ( ( ssList @ SV65 )
        = $false )
      | ( ( segmentP @ sK2_SX0 @ SV65 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[690]) ).

thf(695,plain,
    ! [SV1: $i,SV35: $i,SV67: $i,SV70: $i] :
      ( ( ( ssList @ SV70 )
        = $false )
      | ( ( ( app @ ( app @ SV67 @ SV35 ) @ SV70 )
         != SV1 )
        = $true )
      | ( ( ssList @ SV67 )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[693]) ).

thf(696,plain,
    ! [SV1: $i,SV70: $i,SV35: $i,SV67: $i] :
      ( ( ( ( app @ ( app @ SV67 @ SV35 ) @ SV70 )
          = SV1 )
        = $false )
      | ( ( ssList @ SV70 )
        = $false )
      | ( ( ssList @ SV67 )
        = $false )
      | ( ( segmentP @ SV1 @ SV35 )
        = $true )
      | ( ( ssList @ SV35 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[695]) ).

thf(697,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[151,696,694,692,691,677,675,671,670,667,666,663,652,649,648,647,646,644,638,633,632,631,605,604,603,602,601,599,592,590,589,587,586,583,580,578,572,561,555,533,531,518,512,505,479,478,464,463,456,455,419,405,402,341,328,325,324,312,310,303,302,301,226,189,180,179,178,177,176,175,174]) ).

thf(698,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[697]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SWC083+1 : TPTP v9.3.1. Released v2.4.0.
% 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
% 0.11/0.18  % Computer : n006.cluster.edu
% 0.11/0.18  % Model    : x86_64 x86_64
% 0.11/0.18  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.18  % Memory   : 8046.5625MB
% 0.11/0.18  % OS       : Linux 6.8.0-71-generic
% 0.11/0.18  % CPULimit : 300
% 0.11/0.18  % WCLimit  : 300
% 0.11/0.18  % DateTime : Tue Oct  6 15:58:52 UTC 2026
% 0.11/0.18  % CPUTime  : 
% 0.11/0.18  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 26.75/5.60  .
% 26.75/5.60  
% 26.75/5.60   No.of.Axioms: 43
% 26.75/5.60  
% 26.75/5.60   Length.of.Defs: 0
% 26.75/5.60  
% 26.75/5.60   Contains.Choice.Funs: false
% 26.75/5.60  ....................
% 26.75/5.60  
% 26.75/5.60  ********************************
% 26.75/5.60  *   All subproblems solved!    *
% 26.75/5.60  ********************************
% 26.75/5.60  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:44,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:697,loop_count:0,foatp_calls:1,translation:fof_full)
% 26.75/5.60  
% 26.75/5.60  %**** Beginning of derivation protocol ****
% 26.75/5.60  % SZS output start CNFRefutation
% See solution above
% 26.75/5.61  
% 26.75/5.61  %**** End of derivation protocol ****
% 26.75/5.61  %**** no. of clauses in derivation: 646 ****
% 26.75/5.61  %**** clause counter: 697 ****
% 26.75/5.61  
% 26.75/5.61  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:44,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:697,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------