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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SWC042+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 : n011.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 10:51:28 AM UTC 2026

% Result   : Theorem 9.97s 2.00s
% Output   : CNFRefutation 9.97s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   57
%            Number of leaves      :   90
% Syntax   : Number of formulae    : 1628 ( 416 unt;   0 typ;   0 def)
%            Number of atoms       : 17895 (6248 equ;   0 cnn)
%            Maximal formula atoms :   20 (  10 avg)
%            Number of connectives : 28608 (6873   ~;6435   |; 148   &;14442   @)
%                                         (  66 <=>; 644  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   24 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   69 (  66 usr;  10 con; 0-2 aty)
%            Number of variables   : 4480 (   0   ^;4413   !;  67   ?;4480   :)

% 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_SY226,type,
    sK10_SY226: $i > $i ).

thf(tp_sK11_SY240,type,
    sK11_SY240: $i > $i ).

thf(tp_sK12_SY249,type,
    sK12_SY249: $i > $i ).

thf(tp_sK13_SY260,type,
    sK13_SY260: $i > $i ).

thf(tp_sK14_SY319,type,
    sK14_SY319: $i > $i ).

thf(tp_sK15_SY383,type,
    sK15_SY383: $i ).

thf(tp_sK16_SY283,type,
    sK16_SY283: $i > $i ).

thf(tp_sK17_SY396,type,
    sK17_SY396: $i > $i ).

thf(tp_sK18_SY403,type,
    sK18_SY403: $i > $i ).

thf(tp_sK19_SY410,type,
    sK19_SY410: $i > $i ).

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

thf(tp_sK20_SY418,type,
    sK20_SY418: $i > $i ).

thf(tp_sK21_SY426,type,
    sK21_SY426: $i > $i ).

thf(tp_sK22_SY388,type,
    sK22_SY388: $i > $i ).

thf(tp_sK23_SY346,type,
    sK23_SY346: $i > $i > $i ).

thf(tp_sK24_SY434,type,
    sK24_SY434: $i > $i ).

thf(tp_sK25_SY359,type,
    sK25_SY359: $i > $i > $i ).

thf(tp_sK26_SY437,type,
    sK26_SY437: $i > $i ).

thf(tp_sK27_SY439,type,
    sK27_SY439: $i > $i ).

thf(tp_sK28_SY442,type,
    sK28_SY442: $i > $i ).

thf(tp_sK29_SY361,type,
    sK29_SY361: $i > $i > $i ).

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

thf(tp_sK30_SY372,type,
    sK30_SY372: $i > $i > $i ).

thf(tp_sK31_SY445,type,
    sK31_SY445: $i > $i ).

thf(tp_sK32_SY464,type,
    sK32_SY464: $i > $i ).

thf(tp_sK33_SY466,type,
    sK33_SY466: $i > $i ).

thf(tp_sK34_SY467,type,
    sK34_SY467: $i > $i ).

thf(tp_sK35_SY469,type,
    sK35_SY469: $i > $i ).

thf(tp_sK36_SY473,type,
    sK36_SY473: $i > $i ).

thf(tp_sK37_SY480,type,
    sK37_SY480: $i > $i ).

thf(tp_sK38_SY484,type,
    sK38_SY484: $i > $i ).

thf(tp_sK39_SY487,type,
    sK39_SY487: $i > $i ).

thf(tp_sK3_SX0,type,
    sK3_SX0: $i ).

thf(tp_sK40_SY490,type,
    sK40_SY490: $i > $i ).

thf(tp_sK41_SY462,type,
    sK41_SY462: $i > $i > $i ).

thf(tp_sK42_SY471,type,
    sK42_SY471: $i > $i > $i ).

thf(tp_sK4_SY335,type,
    sK4_SY335: $i ).

thf(tp_sK5_SY351,type,
    sK5_SY351: $i ).

thf(tp_sK6_SY296,type,
    sK6_SY296: $i > $i ).

thf(tp_sK7_SY203,type,
    sK7_SY203: $i > $i ).

thf(tp_sK8_SY342,type,
    sK8_SY342: $i ).

thf(tp_sK9_SY311,type,
    sK9_SY311: $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(1,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ! [W: $i] :
              ( ( ssItem @ W )
             => ( ( ( gt @ U @ V )
                  & ( gt @ V @ W ) )
               => ( gt @ U @ W ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax95) ).

thf(2,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( gt @ U @ V )
           => ~ ( gt @ V @ U ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax94) ).

thf(3,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( lt @ U @ V )
          <=> ( ( U != V )
              & ( leq @ U @ V ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax93) ).

thf(4,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( leq @ U @ V )
           => ( ( U = V )
              | ( lt @ U @ V ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax92) ).

thf(5,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ! [W: $i] :
              ( ( ssItem @ W )
             => ( ( ( leq @ U @ V )
                  & ( lt @ V @ W ) )
               => ( lt @ U @ W ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax91) ).

thf(6,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ~ ( lt @ U @ U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax90) ).

thf(7,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ( geq @ U @ U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax89) ).

thf(8,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ! [W: $i] :
              ( ( ssItem @ W )
             => ( ( ( geq @ U @ V )
                  & ( geq @ V @ W ) )
               => ( geq @ U @ W ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax88) ).

thf(9,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( ( geq @ U @ V )
              & ( geq @ V @ U ) )
           => ( U = V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax87) ).

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(15,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( cons @ V @ U )
            = ( app @ ( cons @ V @ nil ) @ U ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax81) ).

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(21,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( nil != U )
       => ? [V: $i] :
            ( ( ssItem @ V )
            & ( ( hd @ U )
              = V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax75) ).

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

thf(23,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ( equalelemsP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax73) ).

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

thf(25,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ( duplicatefreeP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax71) ).

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

thf(28,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ( strictorderedP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax68) ).

thf(29,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ( ( totalorderedP @ ( cons @ U @ V ) )
          <=> ( ( nil = V )
              | ( ( nil != V )
                & ( totalorderedP @ V )
                & ( leq @ U @ ( hd @ V ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax67) ).

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

thf(31,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ( totalorderedP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax65) ).

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

thf(33,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ( strictorderP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax63) ).

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

thf(35,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ( totalorderP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax61) ).

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

thf(37,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ( cyclefreeP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax59) ).

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(52,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ! [X: $i] :
                  ( ( ssList @ X )
                 => ( ( frontsegP @ ( cons @ U @ W ) @ ( cons @ V @ X ) )
                  <=> ( ( U = V )
                      & ( frontsegP @ W @ X ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax44) ).

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(58,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ~ ( memberP @ nil @ U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax38) ).

thf(59,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( memberP @ ( cons @ V @ W ) @ U )
              <=> ( ( U = V )
                  | ( memberP @ W @ U ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax37) ).

thf(60,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssList @ W )
             => ( ( memberP @ ( app @ V @ W ) @ U )
              <=> ( ( memberP @ V @ U )
                  | ( memberP @ W @ U ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax36) ).

thf(62,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ! [W: $i] :
              ( ( ssItem @ W )
             => ( ( ( lt @ U @ V )
                  & ( lt @ V @ W ) )
               => ( lt @ U @ W ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax34) ).

thf(63,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( lt @ U @ V )
           => ~ ( lt @ V @ U ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax33) ).

thf(64,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( geq @ U @ V )
          <=> ( leq @ V @ U ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax32) ).

thf(65,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ( leq @ U @ U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax31) ).

thf(66,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ! [W: $i] :
              ( ( ssItem @ W )
             => ( ( ( leq @ U @ V )
                  & ( leq @ V @ W ) )
               => ( leq @ U @ W ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax30) ).

thf(67,axiom,
    ! [U: $i] :
      ( ( ssItem @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( ( leq @ U @ V )
              & ( leq @ V @ U ) )
           => ( U = V ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax29) ).

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

thf(69,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssItem @ W )
             => ( ( cons @ W @ ( app @ V @ U ) )
                = ( app @ ( cons @ W @ V ) @ U ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax27) ).

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

thf(71,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( tl @ ( cons @ V @ U ) )
            = U ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax25) ).

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

thf(73,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( hd @ ( cons @ V @ U ) )
            = V ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax23) ).

thf(74,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( nil != U )
       => ( ssItem @ ( hd @ U ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax22) ).

thf(75,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( nil
           != ( cons @ V @ U ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax21) ).

thf(76,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( nil = U )
        | ? [V: $i] :
            ( ( ssList @ V )
            & ? [W: $i] :
                ( ( ssItem @ W )
                & ( ( cons @ W @ V )
                  = U ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax20) ).

thf(77,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssList @ V )
         => ! [W: $i] :
              ( ( ssItem @ W )
             => ! [X: $i] :
                  ( ( ssItem @ X )
                 => ( ( ( cons @ W @ U )
                      = ( cons @ X @ V ) )
                   => ( ( W = X )
                      & ( V = U ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax19) ).

thf(78,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( cons @ V @ U )
           != U ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax18) ).

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

thf(80,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ssList @ ( cons @ V @ U ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax16) ).

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(82,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( equalelemsP @ U )
      <=> ! [V: $i] :
            ( ( ssItem @ V )
           => ! [W: $i] :
                ( ( ssItem @ W )
               => ! [X: $i] :
                    ( ( ssList @ X )
                   => ! [Y: $i] :
                        ( ( ssList @ Y )
                       => ( ( ( app @ X @ ( cons @ V @ ( cons @ W @ Y ) ) )
                            = U )
                         => ( V = W ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax14) ).

thf(83,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( duplicatefreeP @ U )
      <=> ! [V: $i] :
            ( ( ssItem @ V )
           => ! [W: $i] :
                ( ( ssItem @ W )
               => ! [X: $i] :
                    ( ( ssList @ X )
                   => ! [Y: $i] :
                        ( ( ssList @ Y )
                       => ! [Z: $i] :
                            ( ( ssList @ Z )
                           => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                = U )
                             => ( V != W ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax13) ).

thf(85,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( totalorderedP @ U )
      <=> ! [V: $i] :
            ( ( ssItem @ V )
           => ! [W: $i] :
                ( ( ssItem @ W )
               => ! [X: $i] :
                    ( ( ssList @ X )
                   => ! [Y: $i] :
                        ( ( ssList @ Y )
                       => ! [Z: $i] :
                            ( ( ssList @ Z )
                           => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                = U )
                             => ( leq @ V @ W ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax11) ).

thf(87,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( totalorderP @ U )
      <=> ! [V: $i] :
            ( ( ssItem @ V )
           => ! [W: $i] :
                ( ( ssItem @ W )
               => ! [X: $i] :
                    ( ( ssList @ X )
                   => ! [Y: $i] :
                        ( ( ssList @ Y )
                       => ! [Z: $i] :
                            ( ( ssList @ Z )
                           => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                = U )
                             => ( ( leq @ V @ W )
                                | ( leq @ W @ V ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax9) ).

thf(88,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( cyclefreeP @ U )
      <=> ! [V: $i] :
            ( ( ssItem @ V )
           => ! [W: $i] :
                ( ( ssItem @ W )
               => ! [X: $i] :
                    ( ( ssList @ X )
                   => ! [Y: $i] :
                        ( ( ssList @ Y )
                       => ! [Z: $i] :
                            ( ( ssList @ Z )
                           => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                = U )
                             => ~ ( ( leq @ V @ W )
                                  & ( leq @ W @ V ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax8) ).

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(92,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ( ( singletonP @ U )
      <=> ? [V: $i] :
            ( ( ssItem @ V )
            & ( ( cons @ V @ nil )
              = U ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax4) ).

thf(93,axiom,
    ! [U: $i] :
      ( ( ssList @ U )
     => ! [V: $i] :
          ( ( ssItem @ V )
         => ( ( memberP @ U @ V )
          <=> ? [W: $i] :
                ( ( ssList @ W )
                & ? [X: $i] :
                    ( ( ssList @ X )
                    & ( ( app @ W @ ( cons @ V @ X ) )
                      = U ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax3) ).

thf(94,axiom,
    ? [U: $i] :
      ( ( ssItem @ U )
      & ? [V: $i] :
          ( ( ssItem @ V )
          & ( U != V ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax2) ).

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 )
                 => ( ( nil != V )
                    | ( V != X )
                    | ( U != W )
                    | ( nil = U )
                    | ! [Y: $i] :
                        ( ( ssList @ Y )
                       => ( ( ( app @ W @ Y )
                           != X )
                          | ~ ( totalorderedP @ W )
                          | ? [Z: $i] :
                              ( ( ssItem @ Z )
                              & ? [X1: $i] :
                                  ( ( ssList @ X1 )
                                  & ( ( app @ ( cons @ Z @ nil ) @ X1 )
                                    = Y )
                                  & ? [X2: $i] :
                                      ( ( ssItem @ X2 )
                                      & ? [X3: $i] :
                                          ( ( ssList @ X3 )
                                          & ( ( app @ X3 @ ( cons @ X2 @ nil ) )
                                            = W )
                                          & ( leq @ X2 @ Z ) ) ) ) ) ) )
                    | ( ( nil != X )
                      & ( nil = W ) ) ) ) ) ) ),
    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 )
                     => ( ( nil != V )
                        | ( V != X )
                        | ( U != W )
                        | ( nil = U )
                        | ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ( ( ( app @ W @ Y )
                               != X )
                              | ~ ( totalorderedP @ W )
                              | ? [Z: $i] :
                                  ( ( ssItem @ Z )
                                  & ? [X1: $i] :
                                      ( ( ssList @ X1 )
                                      & ( ( app @ ( cons @ Z @ nil ) @ X1 )
                                        = Y )
                                      & ? [X2: $i] :
                                          ( ( ssItem @ X2 )
                                          & ? [X3: $i] :
                                              ( ( ssList @ X3 )
                                              & ( ( app @ X3 @ ( cons @ X2 @ nil ) )
                                                = W )
                                              & ( leq @ X2 @ Z ) ) ) ) ) ) )
                        | ( ( nil != X )
                          & ( nil = W ) ) ) ) ) ) ) )
    = $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 )
                     => ( ( nil != V )
                        | ( V != X )
                        | ( U != W )
                        | ( nil = U )
                        | ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ( ( ( app @ W @ Y )
                               != X )
                              | ~ ( totalorderedP @ W )
                              | ? [Z: $i] :
                                  ( ( ssItem @ Z )
                                  & ? [X1: $i] :
                                      ( ( ssList @ X1 )
                                      & ( ( app @ ( cons @ Z @ nil ) @ X1 )
                                        = Y )
                                      & ? [X2: $i] :
                                          ( ( ssItem @ X2 )
                                          & ? [X3: $i] :
                                              ( ( ssList @ X3 )
                                              & ( ( app @ X3 @ ( cons @ X2 @ nil ) )
                                                = W )
                                              & ( leq @ X2 @ Z ) ) ) ) ) ) )
                        | ( ( nil != X )
                          & ( nil = W ) ) ) ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[97]) ).

thf(99,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( gt @ U @ V )
                      & ( gt @ V @ W ) )
                   => ( gt @ U @ W ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(100,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( gt @ U @ V )
               => ~ ( gt @ V @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(101,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( lt @ U @ V )
              <=> ( ( U != V )
                  & ( leq @ U @ V ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(102,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( leq @ U @ V )
               => ( ( U = V )
                  | ( lt @ U @ V ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(103,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( leq @ U @ V )
                      & ( lt @ V @ W ) )
                   => ( lt @ U @ W ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(104,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ~ ( lt @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(105,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( geq @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(106,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( geq @ U @ V )
                      & ( geq @ V @ W ) )
                   => ( geq @ U @ W ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(107,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( ( geq @ U @ V )
                  & ( geq @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(108,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(109,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(110,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( app @ U @ nil )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(111,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(112,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(113,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( cons @ V @ U )
                = ( app @ ( cons @ V @ nil ) @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(114,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(115,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(116,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ? [V: $i] :
                ( ( ssList @ V )
                & ( ( tl @ U )
                  = V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(117,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ? [V: $i] :
                ( ( ssItem @ V )
                & ( ( hd @ U )
                  = V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(118,plain,
    ( ( equalelemsP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(119,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( equalelemsP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(120,plain,
    ( ( duplicatefreeP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(121,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( duplicatefreeP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(122,plain,
    ( ( strictorderedP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(123,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( strictorderedP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(124,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( totalorderedP @ ( cons @ U @ V ) )
              <=> ( ( nil = V )
                  | ( ( nil != V )
                    & ( totalorderedP @ V )
                    & ( leq @ U @ ( hd @ V ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(125,plain,
    ( ( totalorderedP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(126,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( totalorderedP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(127,plain,
    ( ( strictorderP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(128,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( strictorderP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(129,plain,
    ( ( totalorderP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(130,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( totalorderP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(131,plain,
    ( ( cyclefreeP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(132,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( cyclefreeP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(133,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( segmentP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(134,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( segmentP @ U @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(135,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(136,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( segmentP @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(137,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(138,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(139,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( rearsegP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[44]) ).

thf(140,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( rearsegP @ U @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(141,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(142,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( rearsegP @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[47]) ).

thf(143,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(144,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(145,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( frontsegP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[50]) ).

thf(146,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( frontsegP @ U @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[51]) ).

thf(147,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ! [X: $i] :
                      ( ( ssList @ X )
                     => ( ( frontsegP @ ( cons @ U @ W ) @ ( cons @ V @ X ) )
                      <=> ( ( U = V )
                          & ( frontsegP @ W @ X ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(148,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(149,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( frontsegP @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[54]) ).

thf(150,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(151,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(152,plain,
    ( ( ~ ( singletonP @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[57]) ).

thf(153,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ~ ( memberP @ nil @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[58]) ).

thf(154,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( memberP @ ( cons @ V @ W ) @ U )
                  <=> ( ( U = V )
                      | ( memberP @ W @ U ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[59]) ).

thf(155,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( memberP @ ( app @ V @ W ) @ U )
                  <=> ( ( memberP @ V @ U )
                      | ( memberP @ W @ U ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[60]) ).

thf(156,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( lt @ U @ V )
                      & ( lt @ V @ W ) )
                   => ( lt @ U @ W ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[62]) ).

thf(157,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( lt @ U @ V )
               => ~ ( lt @ V @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[63]) ).

thf(158,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( geq @ U @ V )
              <=> ( leq @ V @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[64]) ).

thf(159,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( leq @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[65]) ).

thf(160,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( leq @ U @ V )
                      & ( leq @ V @ W ) )
                   => ( leq @ U @ W ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[66]) ).

thf(161,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( ( leq @ U @ V )
                  & ( leq @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[67]) ).

thf(162,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( app @ nil @ U )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[68]) ).

thf(163,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( cons @ W @ ( app @ V @ U ) )
                    = ( app @ ( cons @ W @ V ) @ U ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[69]) ).

thf(164,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ssList @ ( app @ U @ V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[70]) ).

thf(165,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( tl @ ( cons @ V @ U ) )
                = U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[71]) ).

thf(166,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ( ssList @ ( tl @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[72]) ).

thf(167,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( hd @ ( cons @ V @ U ) )
                = V ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[73]) ).

thf(168,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ( ssItem @ ( hd @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[74]) ).

thf(169,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( nil
               != ( cons @ V @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[75]) ).

thf(170,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil = U )
            | ? [V: $i] :
                ( ( ssList @ V )
                & ? [W: $i] :
                    ( ( ssItem @ W )
                    & ( ( cons @ W @ V )
                      = U ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[76]) ).

thf(171,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ! [X: $i] :
                      ( ( ssItem @ X )
                     => ( ( ( cons @ W @ U )
                          = ( cons @ X @ V ) )
                       => ( ( W = X )
                          & ( V = U ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[77]) ).

thf(172,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( cons @ V @ U )
               != U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[78]) ).

thf(173,plain,
    ( ( ssList @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[79]) ).

thf(174,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ssList @ ( cons @ V @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[80]) ).

thf(175,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( neq @ U @ V )
              <=> ( U != V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[81]) ).

thf(176,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( equalelemsP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ( ( ( app @ X @ ( cons @ V @ ( cons @ W @ Y ) ) )
                                = U )
                             => ( V = W ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[82]) ).

thf(177,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( duplicatefreeP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ! [Z: $i] :
                                ( ( ssList @ Z )
                               => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                    = U )
                                 => ( V != W ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[83]) ).

thf(178,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( totalorderedP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ! [Z: $i] :
                                ( ( ssList @ Z )
                               => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                    = U )
                                 => ( leq @ V @ W ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[85]) ).

thf(179,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( totalorderP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ! [Z: $i] :
                                ( ( ssList @ Z )
                               => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                    = U )
                                 => ( ( leq @ V @ W )
                                    | ( leq @ W @ V ) ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[87]) ).

thf(180,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( cyclefreeP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ! [Z: $i] :
                                ( ( ssList @ Z )
                               => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                    = U )
                                 => ~ ( ( leq @ V @ W )
                                      & ( leq @ W @ V ) ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[88]) ).

thf(181,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(182,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(183,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(184,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( singletonP @ U )
          <=> ? [V: $i] :
                ( ( ssItem @ V )
                & ( ( cons @ V @ nil )
                  = U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[92]) ).

thf(185,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( memberP @ U @ V )
              <=> ? [W: $i] :
                    ( ( ssList @ W )
                    & ? [X: $i] :
                        ( ( ssList @ X )
                        & ( ( app @ W @ ( cons @ V @ X ) )
                          = U ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[93]) ).

thf(186,plain,
    ( ( ? [U: $i] :
          ( ( ssItem @ U )
          & ? [V: $i] :
              ( ( ssItem @ V )
              & ( U != V ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[94]) ).

thf(187,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( neq @ U @ V )
              <=> ( U != V ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[95]) ).

thf(188,plain,
    ( ( ( ssList @ sK1_U )
     => ! [SY193: $i] :
          ( ( ssList @ SY193 )
         => ! [SY194: $i] :
              ( ( ssList @ SY194 )
             => ! [SY195: $i] :
                  ( ( ssList @ SY195 )
                 => ( ( nil != SY193 )
                    | ( SY193 != SY195 )
                    | ( sK1_U != SY194 )
                    | ( nil = sK1_U )
                    | ! [Y: $i] :
                        ( ( ssList @ Y )
                       => ( ( ( app @ SY194 @ Y )
                           != SY195 )
                          | ~ ( totalorderedP @ SY194 )
                          | ? [Z: $i] :
                              ( ( ssItem @ Z )
                              & ? [X1: $i] :
                                  ( ( ssList @ X1 )
                                  & ( ( app @ ( cons @ Z @ nil ) @ X1 )
                                    = Y )
                                  & ? [X2: $i] :
                                      ( ( ssItem @ X2 )
                                      & ? [X3: $i] :
                                          ( ( ssList @ X3 )
                                          & ( ( app @ X3 @ ( cons @ X2 @ nil ) )
                                            = SY194 )
                                          & ( leq @ X2 @ Z ) ) ) ) ) ) )
                    | ( ( nil != SY195 )
                      & ( nil = SY194 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[98]) ).

thf(189,plain,
    ( ( ssList @ sK1_U )
    = $true ),
    inference(standard_cnf,[status(thm)],[188]) ).

thf(190,plain,
    ( ( ! [SY193: $i] :
          ( ( ssList @ SY193 )
         => ! [SY194: $i] :
              ( ( ssList @ SY194 )
             => ! [SY195: $i] :
                  ( ( ssList @ SY195 )
                 => ( ( nil != SY193 )
                    | ( SY193 != SY195 )
                    | ( sK1_U != SY194 )
                    | ( nil = sK1_U )
                    | ! [Y: $i] :
                        ( ( ssList @ Y )
                       => ( ( ( app @ SY194 @ Y )
                           != SY195 )
                          | ~ ( totalorderedP @ SY194 )
                          | ? [Z: $i] :
                              ( ( ssItem @ Z )
                              & ? [X1: $i] :
                                  ( ( ssList @ X1 )
                                  & ( ( app @ ( cons @ Z @ nil ) @ X1 )
                                    = Y )
                                  & ? [X2: $i] :
                                      ( ( ssItem @ X2 )
                                      & ? [X3: $i] :
                                          ( ( ssList @ X3 )
                                          & ( ( app @ X3 @ ( cons @ X2 @ nil ) )
                                            = SY194 )
                                          & ( leq @ X2 @ Z ) ) ) ) ) ) )
                    | ( ( nil != SY195 )
                      & ( nil = SY194 ) ) ) ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[188]) ).

thf(191,plain,
    ( ( ~ ! [SY193: $i] :
            ( ( ssList @ SY193 )
           => ! [SY194: $i] :
                ( ( ssList @ SY194 )
               => ! [SY195: $i] :
                    ( ( ssList @ SY195 )
                   => ( ( nil != SY193 )
                      | ( SY193 != SY195 )
                      | ( sK1_U != SY194 )
                      | ( nil = sK1_U )
                      | ! [Y: $i] :
                          ( ( ssList @ Y )
                         => ( ( ( app @ SY194 @ Y )
                             != SY195 )
                            | ~ ( totalorderedP @ SY194 )
                            | ? [Z: $i] :
                                ( ( ssItem @ Z )
                                & ? [X1: $i] :
                                    ( ( ssList @ X1 )
                                    & ( ( app @ ( cons @ Z @ nil ) @ X1 )
                                      = Y )
                                    & ? [X2: $i] :
                                        ( ( ssItem @ X2 )
                                        & ? [X3: $i] :
                                            ( ( ssList @ X3 )
                                            & ( ( app @ X3 @ ( cons @ X2 @ nil ) )
                                              = SY194 )
                                            & ( leq @ X2 @ Z ) ) ) ) ) ) )
                      | ( ( nil != SY195 )
                        & ( nil = SY194 ) ) ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[190]) ).

thf(192,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( neq @ U @ V )
              <=> ( U != V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[187]) ).

thf(193,plain,
    ( ( ? [U: $i] :
          ( ( ssItem @ U )
          & ? [V: $i] :
              ( ( ssItem @ V )
              & ( U != V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[186]) ).

thf(194,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( memberP @ U @ V )
              <=> ? [W: $i] :
                    ( ( ssList @ W )
                    & ? [X: $i] :
                        ( ( ssList @ X )
                        & ( ( app @ W @ ( cons @ V @ X ) )
                          = U ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[185]) ).

thf(195,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( singletonP @ U )
          <=> ? [V: $i] :
                ( ( ssItem @ V )
                & ( ( cons @ V @ nil )
                  = U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[184]) ).

thf(196,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)],[183]) ).

thf(197,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)],[182]) ).

thf(198,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)],[181]) ).

thf(199,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( cyclefreeP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ! [Z: $i] :
                                ( ( ssList @ Z )
                               => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                    = U )
                                 => ~ ( ( leq @ V @ W )
                                      & ( leq @ W @ V ) ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[180]) ).

thf(200,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( totalorderP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ! [Z: $i] :
                                ( ( ssList @ Z )
                               => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                    = U )
                                 => ( ( leq @ V @ W )
                                    | ( leq @ W @ V ) ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[179]) ).

thf(201,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( totalorderedP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ! [Z: $i] :
                                ( ( ssList @ Z )
                               => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                    = U )
                                 => ( leq @ V @ W ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[178]) ).

thf(202,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( duplicatefreeP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ! [Z: $i] :
                                ( ( ssList @ Z )
                               => ( ( ( app @ ( app @ X @ ( cons @ V @ Y ) ) @ ( cons @ W @ Z ) )
                                    = U )
                                 => ( V != W ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[177]) ).

thf(203,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( equalelemsP @ U )
          <=> ! [V: $i] :
                ( ( ssItem @ V )
               => ! [W: $i] :
                    ( ( ssItem @ W )
                   => ! [X: $i] :
                        ( ( ssList @ X )
                       => ! [Y: $i] :
                            ( ( ssList @ Y )
                           => ( ( ( app @ X @ ( cons @ V @ ( cons @ W @ Y ) ) )
                                = U )
                             => ( V = W ) ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[176]) ).

thf(204,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( neq @ U @ V )
              <=> ( U != V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[175]) ).

thf(205,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ssList @ ( cons @ V @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[174]) ).

thf(206,plain,
    ( ( ssList @ nil )
    = $true ),
    inference(copy,[status(thm)],[173]) ).

thf(207,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( cons @ V @ U )
               != U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[172]) ).

thf(208,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ! [X: $i] :
                      ( ( ssItem @ X )
                     => ( ( ( cons @ W @ U )
                          = ( cons @ X @ V ) )
                       => ( ( W = X )
                          & ( V = U ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[171]) ).

thf(209,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil = U )
            | ? [V: $i] :
                ( ( ssList @ V )
                & ? [W: $i] :
                    ( ( ssItem @ W )
                    & ( ( cons @ W @ V )
                      = U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[170]) ).

thf(210,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( nil
               != ( cons @ V @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[169]) ).

thf(211,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ( ssItem @ ( hd @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[168]) ).

thf(212,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( hd @ ( cons @ V @ U ) )
                = V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[167]) ).

thf(213,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ( ssList @ ( tl @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[166]) ).

thf(214,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( tl @ ( cons @ V @ U ) )
                = U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[165]) ).

thf(215,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ssList @ ( app @ U @ V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[164]) ).

thf(216,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( cons @ W @ ( app @ V @ U ) )
                    = ( app @ ( cons @ W @ V ) @ U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[163]) ).

thf(217,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( app @ nil @ U )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[162]) ).

thf(218,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( ( leq @ U @ V )
                  & ( leq @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[161]) ).

thf(219,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( leq @ U @ V )
                      & ( leq @ V @ W ) )
                   => ( leq @ U @ W ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[160]) ).

thf(220,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( leq @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[159]) ).

thf(221,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( geq @ U @ V )
              <=> ( leq @ V @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[158]) ).

thf(222,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( lt @ U @ V )
               => ~ ( lt @ V @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[157]) ).

thf(223,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( lt @ U @ V )
                      & ( lt @ V @ W ) )
                   => ( lt @ U @ W ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[156]) ).

thf(224,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( memberP @ ( app @ V @ W ) @ U )
                  <=> ( ( memberP @ V @ U )
                      | ( memberP @ W @ U ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[155]) ).

thf(225,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ( ( memberP @ ( cons @ V @ W ) @ U )
                  <=> ( ( U = V )
                      | ( memberP @ W @ U ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[154]) ).

thf(226,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ~ ( memberP @ nil @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[153]) ).

thf(227,plain,
    ( ( ~ ( singletonP @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[152]) ).

thf(228,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)],[151]) ).

thf(229,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( ( frontsegP @ U @ V )
                  & ( frontsegP @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[150]) ).

thf(230,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( frontsegP @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[149]) ).

thf(231,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)],[148]) ).

thf(232,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssList @ W )
                 => ! [X: $i] :
                      ( ( ssList @ X )
                     => ( ( frontsegP @ ( cons @ U @ W ) @ ( cons @ V @ X ) )
                      <=> ( ( U = V )
                          & ( frontsegP @ W @ X ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[147]) ).

thf(233,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( frontsegP @ U @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[146]) ).

thf(234,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( frontsegP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[145]) ).

thf(235,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)],[144]) ).

thf(236,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( ( rearsegP @ U @ V )
                  & ( rearsegP @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[143]) ).

thf(237,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( rearsegP @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[142]) ).

thf(238,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)],[141]) ).

thf(239,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( rearsegP @ U @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[140]) ).

thf(240,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( rearsegP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[139]) ).

thf(241,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)],[138]) ).

thf(242,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( ( segmentP @ U @ V )
                  & ( segmentP @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[137]) ).

thf(243,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( segmentP @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[136]) ).

thf(244,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)],[135]) ).

thf(245,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( segmentP @ U @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[134]) ).

thf(246,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( segmentP @ nil @ U )
          <=> ( nil = U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[133]) ).

thf(247,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( cyclefreeP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[132]) ).

thf(248,plain,
    ( ( cyclefreeP @ nil )
    = $true ),
    inference(copy,[status(thm)],[131]) ).

thf(249,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( totalorderP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[130]) ).

thf(250,plain,
    ( ( totalorderP @ nil )
    = $true ),
    inference(copy,[status(thm)],[129]) ).

thf(251,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( strictorderP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[128]) ).

thf(252,plain,
    ( ( strictorderP @ nil )
    = $true ),
    inference(copy,[status(thm)],[127]) ).

thf(253,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( totalorderedP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[126]) ).

thf(254,plain,
    ( ( totalorderedP @ nil )
    = $true ),
    inference(copy,[status(thm)],[125]) ).

thf(255,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( totalorderedP @ ( cons @ U @ V ) )
              <=> ( ( nil = V )
                  | ( ( nil != V )
                    & ( totalorderedP @ V )
                    & ( leq @ U @ ( hd @ V ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[124]) ).

thf(256,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( strictorderedP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[123]) ).

thf(257,plain,
    ( ( strictorderedP @ nil )
    = $true ),
    inference(copy,[status(thm)],[122]) ).

thf(258,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( duplicatefreeP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[121]) ).

thf(259,plain,
    ( ( duplicatefreeP @ nil )
    = $true ),
    inference(copy,[status(thm)],[120]) ).

thf(260,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( equalelemsP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[119]) ).

thf(261,plain,
    ( ( equalelemsP @ nil )
    = $true ),
    inference(copy,[status(thm)],[118]) ).

thf(262,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ? [V: $i] :
                ( ( ssItem @ V )
                & ( ( hd @ U )
                  = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[117]) ).

thf(263,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( nil != U )
           => ? [V: $i] :
                ( ( ssList @ V )
                & ( ( tl @ U )
                  = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[116]) ).

thf(264,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)],[115]) ).

thf(265,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)],[114]) ).

thf(266,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( cons @ V @ U )
                = ( app @ ( cons @ V @ nil ) @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[113]) ).

thf(267,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)],[112]) ).

thf(268,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( nil
                  = ( app @ U @ V ) )
              <=> ( ( nil = V )
                  & ( nil = U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[111]) ).

thf(269,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ( ( app @ U @ nil )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[110]) ).

thf(270,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( nil != U )
               => ( ( hd @ ( app @ U @ V ) )
                  = ( hd @ U ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[109]) ).

thf(271,plain,
    ( ( ! [U: $i] :
          ( ( ssList @ U )
         => ! [V: $i] :
              ( ( ssList @ V )
             => ( ( nil != U )
               => ( ( tl @ ( app @ U @ V ) )
                  = ( app @ ( tl @ U ) @ V ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[108]) ).

thf(272,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( ( geq @ U @ V )
                  & ( geq @ V @ U ) )
               => ( U = V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[107]) ).

thf(273,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( geq @ U @ V )
                      & ( geq @ V @ W ) )
                   => ( geq @ U @ W ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[106]) ).

thf(274,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ( geq @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[105]) ).

thf(275,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ~ ( lt @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[104]) ).

thf(276,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( leq @ U @ V )
                      & ( lt @ V @ W ) )
                   => ( lt @ U @ W ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[103]) ).

thf(277,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( leq @ U @ V )
               => ( ( U = V )
                  | ( lt @ U @ V ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[102]) ).

thf(278,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( lt @ U @ V )
              <=> ( ( U != V )
                  & ( leq @ U @ V ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[101]) ).

thf(279,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ( ( gt @ U @ V )
               => ~ ( gt @ V @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[100]) ).

thf(280,plain,
    ( ( ! [U: $i] :
          ( ( ssItem @ U )
         => ! [V: $i] :
              ( ( ssItem @ V )
             => ! [W: $i] :
                  ( ( ssItem @ W )
                 => ( ( ( gt @ U @ V )
                      & ( gt @ V @ W ) )
                   => ( gt @ U @ W ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[99]) ).

thf(281,plain,
    ( ( ssList @ sK1_U )
    = $true ),
    inference(copy,[status(thm)],[189]) ).

thf(282,plain,
    ( ( ~ ! [SY193: $i] :
            ( ( ssList @ SY193 )
           => ! [SY194: $i] :
                ( ( ssList @ SY194 )
               => ! [SY195: $i] :
                    ( ( ssList @ SY195 )
                   => ( ( nil != SY193 )
                      | ( SY193 != SY195 )
                      | ( sK1_U != SY194 )
                      | ( nil = sK1_U )
                      | ! [Y: $i] :
                          ( ( ssList @ Y )
                         => ( ( ( app @ SY194 @ Y )
                             != SY195 )
                            | ~ ( totalorderedP @ SY194 )
                            | ? [Z: $i] :
                                ( ( ssItem @ Z )
                                & ? [X1: $i] :
                                    ( ( ssList @ X1 )
                                    & ( ( app @ ( cons @ Z @ nil ) @ X1 )
                                      = Y )
                                    & ? [X2: $i] :
                                        ( ( ssItem @ X2 )
                                        & ? [X3: $i] :
                                            ( ( ssList @ X3 )
                                            & ( ( app @ X3 @ ( cons @ X2 @ nil ) )
                                              = SY194 )
                                            & ( leq @ X2 @ Z ) ) ) ) ) ) )
                      | ( ( nil != SY195 )
                        & ( nil = SY194 ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[191]) ).

thf(283,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)],[238]) ).

thf(284,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ( nil != SX0 ) )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( ssList @ SX1 )
                    | ( ( tl @ SX0 )
                     != SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[263]) ).

thf(285,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ! [SX3: $i] :
                      ( ~ ( ssList @ SX3 )
                      | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SX0 @ SX2 ) @ ( cons @ SX1 @ SX3 ) )
                              | ~ ( ( SX0 != SX1 )
                                  | ~ ( frontsegP @ SX2 @ SX3 ) ) )
                          | ~ ( ~ ~ ( ( SX0 != SX1 )
                                    | ~ ( frontsegP @ SX2 @ SX3 ) )
                              | ( frontsegP @ ( cons @ SX0 @ SX2 ) @ ( cons @ SX1 @ SX3 ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[232]) ).

thf(286,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)],[198]) ).

thf(287,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)],[265]) ).

thf(288,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( ssList @ SX0 )
            | ! [SX1: $i] :
                ( ~ ( ssList @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( ssList @ SX2 )
                    | ( nil != SX0 )
                    | ( SX0 != SX2 )
                    | ( sK1_U != SX1 )
                    | ( nil = sK1_U )
                    | ! [SX3: $i] :
                        ( ~ ( ssList @ SX3 )
                        | ( ( app @ SX1 @ SX3 )
                         != SX2 )
                        | ~ ( totalorderedP @ SX1 )
                        | ~ ! [SX4: $i] :
                              ~ ~ ( ~ ( ssItem @ SX4 )
                                  | ~ ~ ! [SX5: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( ssList @ SX5 )
                                                    | ( ( app @ ( cons @ SX4 @ nil ) @ SX5 )
                                                     != SX3 ) )
                                              | ~ ~ ! [SX6: $i] :
                                                      ~ ~ ( ~ ( ssItem @ SX6 )
                                                          | ~ ~ ! [SX7: $i] :
                                                                  ~ ~ ( ~ ~ ( ~ ( ssList @ SX7 )
                                                                            | ( ( app @ SX7 @ ( cons @ SX6 @ nil ) )
                                                                             != SX1 ) )
                                                                      | ~ ( leq @ SX6 @ SX4 ) ) ) ) ) )
                    | ~ ( ~ ( ( nil != SX2 ) )
                        | ( nil != SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[282]) ).

thf(289,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ( equalelemsP @ ( cons @ SX0 @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[260]) ).

thf(290,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)],[267]) ).

thf(291,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ( ~ ( ~ ( totalorderedP @ ( cons @ SX0 @ SX1 ) )
                      | ( nil = SX1 )
                      | ~ ( ~ ~ ( ~ ( ( nil != SX1 ) )
                                | ~ ( totalorderedP @ SX1 ) )
                          | ~ ( leq @ SX0 @ ( hd @ SX1 ) ) ) )
                  | ~ ( ~ ( ( nil = SX1 )
                          | ~ ( ~ ~ ( ~ ( ( nil != SX1 ) )
                                    | ~ ( totalorderedP @ SX1 ) )
                              | ~ ( leq @ SX0 @ ( hd @ SX1 ) ) ) )
                      | ( totalorderedP @ ( cons @ SX0 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[255]) ).

thf(292,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ~ ( ~ ( ~ ( lt @ SX0 @ SX1 )
                      | ~ ( ~ ( ( SX0 != SX1 ) )
                          | ~ ( leq @ SX0 @ SX1 ) ) )
                  | ~ ( ~ ~ ( ~ ( ( SX0 != SX1 ) )
                            | ~ ( leq @ SX0 @ SX1 ) )
                      | ( lt @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[278]) ).

thf(293,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssItem @ SX2 )
                  | ~ ~ ( ~ ( lt @ SX0 @ SX1 )
                        | ~ ( lt @ SX1 @ SX2 ) )
                  | ( lt @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[223]) ).

thf(294,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ~ ( ~ ( ssItem @ SX0 )
                | ~ ~ ! [SX1: $i] :
                        ~ ~ ( ~ ( ssItem @ SX1 )
                            | ~ ( ( SX0 != SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[193]) ).

thf(295,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)],[268]) ).

thf(296,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ( leq @ SX0 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[220]) ).

thf(297,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( duplicatefreeP @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( ssItem @ SX1 )
                      | ! [SX2: $i] :
                          ( ~ ( ssItem @ SX2 )
                          | ! [SX3: $i] :
                              ( ~ ( ssList @ SX3 )
                              | ! [SX4: $i] :
                                  ( ~ ( ssList @ SX4 )
                                  | ! [SX5: $i] :
                                      ( ~ ( ssList @ SX5 )
                                      | ( ( app @ ( app @ SX3 @ ( cons @ SX1 @ SX4 ) ) @ ( cons @ SX2 @ SX5 ) )
                                       != SX0 )
                                      | ( SX1 != SX2 ) ) ) ) ) ) )
              | ~ ( ~ ! [SX1: $i] :
                        ( ~ ( ssItem @ SX1 )
                        | ! [SX2: $i] :
                            ( ~ ( ssItem @ SX2 )
                            | ! [SX3: $i] :
                                ( ~ ( ssList @ SX3 )
                                | ! [SX4: $i] :
                                    ( ~ ( ssList @ SX4 )
                                    | ! [SX5: $i] :
                                        ( ~ ( ssList @ SX5 )
                                        | ( ( app @ ( app @ SX3 @ ( cons @ SX1 @ SX4 ) ) @ ( cons @ SX2 @ SX5 ) )
                                         != SX0 )
                                        | ( SX1 != SX2 ) ) ) ) ) )
                  | ( duplicatefreeP @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[202]) ).

thf(298,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ( ( tl @ ( cons @ SX1 @ SX0 ) )
                = SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[214]) ).

thf(299,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)],[197]) ).

thf(300,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ~ ( ~ ( rearsegP @ SX0 @ SX1 )
                    | ~ ( rearsegP @ SX1 @ SX0 ) )
              | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[236]) ).

thf(301,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( equalelemsP @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( ssItem @ SX1 )
                      | ! [SX2: $i] :
                          ( ~ ( ssItem @ SX2 )
                          | ! [SX3: $i] :
                              ( ~ ( ssList @ SX3 )
                              | ! [SX4: $i] :
                                  ( ~ ( ssList @ SX4 )
                                  | ( ( app @ SX3 @ ( cons @ SX1 @ ( cons @ SX2 @ SX4 ) ) )
                                   != SX0 )
                                  | ( SX1 = SX2 ) ) ) ) ) )
              | ~ ( ~ ! [SX1: $i] :
                        ( ~ ( ssItem @ SX1 )
                        | ! [SX2: $i] :
                            ( ~ ( ssItem @ SX2 )
                            | ! [SX3: $i] :
                                ( ~ ( ssList @ SX3 )
                                | ! [SX4: $i] :
                                    ( ~ ( ssList @ SX4 )
                                    | ( ( app @ SX3 @ ( cons @ SX1 @ ( cons @ SX2 @ SX4 ) ) )
                                     != SX0 )
                                    | ( SX1 = SX2 ) ) ) ) )
                  | ( equalelemsP @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[203]) ).

thf(302,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( totalorderedP @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( ssItem @ SX1 )
                      | ! [SX2: $i] :
                          ( ~ ( ssItem @ SX2 )
                          | ! [SX3: $i] :
                              ( ~ ( ssList @ SX3 )
                              | ! [SX4: $i] :
                                  ( ~ ( ssList @ SX4 )
                                  | ! [SX5: $i] :
                                      ( ~ ( ssList @ SX5 )
                                      | ( ( app @ ( app @ SX3 @ ( cons @ SX1 @ SX4 ) ) @ ( cons @ SX2 @ SX5 ) )
                                       != SX0 )
                                      | ( leq @ SX1 @ SX2 ) ) ) ) ) ) )
              | ~ ( ~ ! [SX1: $i] :
                        ( ~ ( ssItem @ SX1 )
                        | ! [SX2: $i] :
                            ( ~ ( ssItem @ SX2 )
                            | ! [SX3: $i] :
                                ( ~ ( ssList @ SX3 )
                                | ! [SX4: $i] :
                                    ( ~ ( ssList @ SX4 )
                                    | ! [SX5: $i] :
                                        ( ~ ( ssList @ SX5 )
                                        | ( ( app @ ( app @ SX3 @ ( cons @ SX1 @ SX4 ) ) @ ( cons @ SX2 @ SX5 ) )
                                         != SX0 )
                                        | ( leq @ SX1 @ SX2 ) ) ) ) ) )
                  | ( totalorderedP @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[201]) ).

thf(303,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ( ( cons @ SX1 @ SX0 )
                = ( app @ ( cons @ SX1 @ nil ) @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[266]) ).

thf(304,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( totalorderP @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( ssItem @ SX1 )
                      | ! [SX2: $i] :
                          ( ~ ( ssItem @ SX2 )
                          | ! [SX3: $i] :
                              ( ~ ( ssList @ SX3 )
                              | ! [SX4: $i] :
                                  ( ~ ( ssList @ SX4 )
                                  | ! [SX5: $i] :
                                      ( ~ ( ssList @ SX5 )
                                      | ( ( app @ ( app @ SX3 @ ( cons @ SX1 @ SX4 ) ) @ ( cons @ SX2 @ SX5 ) )
                                       != SX0 )
                                      | ( leq @ SX1 @ SX2 )
                                      | ( leq @ SX2 @ SX1 ) ) ) ) ) ) )
              | ~ ( ~ ! [SX1: $i] :
                        ( ~ ( ssItem @ SX1 )
                        | ! [SX2: $i] :
                            ( ~ ( ssItem @ SX2 )
                            | ! [SX3: $i] :
                                ( ~ ( ssList @ SX3 )
                                | ! [SX4: $i] :
                                    ( ~ ( ssList @ SX4 )
                                    | ! [SX5: $i] :
                                        ( ~ ( ssList @ SX5 )
                                        | ( ( app @ ( app @ SX3 @ ( cons @ SX1 @ SX4 ) ) @ ( cons @ SX2 @ SX5 ) )
                                         != SX0 )
                                        | ( leq @ SX1 @ SX2 )
                                        | ( leq @ SX2 @ SX1 ) ) ) ) ) )
                  | ( totalorderP @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[200]) ).

thf(305,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ( ( cons @ SX1 @ SX0 )
               != SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[207]) ).

thf(306,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( frontsegP @ SX0 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[233]) ).

thf(307,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ( geq @ SX0 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[274]) ).

thf(308,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ~ ( ~ ( ~ ( memberP @ SX0 @ SX1 )
                      | ~ ! [SX2: $i] :
                            ~ ~ ( ~ ( ssList @ SX2 )
                                | ~ ~ ! [SX3: $i] :
                                        ~ ~ ( ~ ( ssList @ SX3 )
                                            | ( ( app @ SX2 @ ( cons @ SX1 @ SX3 ) )
                                             != SX0 ) ) ) )
                  | ~ ( ~ ~ ! [SX2: $i] :
                              ~ ~ ( ~ ( ssList @ SX2 )
                                  | ~ ~ ! [SX3: $i] :
                                          ~ ~ ( ~ ( ssList @ SX3 )
                                              | ( ( app @ SX2 @ ( cons @ SX1 @ SX3 ) )
                                               != SX0 ) ) )
                      | ( memberP @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[194]) ).

thf(309,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( segmentP @ SX0 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[243]) ).

thf(310,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)],[244]) ).

thf(311,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssItem @ SX2 )
                  | ! [SX3: $i] :
                      ( ~ ( ssItem @ SX3 )
                      | ( ( cons @ SX2 @ SX0 )
                       != ( cons @ SX3 @ SX1 ) )
                      | ~ ( ( SX2 != SX3 )
                          | ( SX1 != SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[208]) ).

thf(312,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( ( app @ SX0 @ nil )
            = SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[269]) ).

thf(313,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)],[228]) ).

thf(314,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)],[271]) ).

thf(315,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)],[192]) ).

thf(316,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ~ ( ~ ( ~ ( memberP @ ( cons @ SX1 @ SX2 ) @ SX0 )
                          | ( SX0 = SX1 )
                          | ( memberP @ SX2 @ SX0 ) )
                      | ~ ( ~ ( ( SX0 = SX1 )
                              | ( memberP @ SX2 @ SX0 ) )
                          | ( memberP @ ( cons @ SX1 @ SX2 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[225]) ).

thf(317,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ( nil != SX0 ) )
          | ( ssList @ ( tl @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[213]) ).

thf(318,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( singletonP @ SX0 )
                  | ~ ! [SX1: $i] :
                        ~ ~ ( ~ ( ssItem @ SX1 )
                            | ( ( cons @ SX1 @ nil )
                             != SX0 ) ) )
              | ~ ( ~ ~ ! [SX1: $i] :
                          ~ ~ ( ~ ( ssItem @ SX1 )
                              | ( ( cons @ SX1 @ nil )
                               != SX0 ) )
                  | ( singletonP @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[195]) ).

thf(319,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)],[204]) ).

thf(320,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssItem @ SX2 )
                  | ( ( cons @ SX2 @ ( app @ SX1 @ SX0 ) )
                    = ( app @ ( cons @ SX2 @ SX1 ) @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[216]) ).

thf(321,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ~ ( lt @ SX0 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[275]) ).

thf(322,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ( duplicatefreeP @ ( cons @ SX0 @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[258]) ).

thf(323,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( rearsegP @ SX0 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[239]) ).

thf(324,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ~ ( ~ ( frontsegP @ SX0 @ SX1 )
                    | ~ ( frontsegP @ SX1 @ SX0 ) )
              | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[229]) ).

thf(325,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ( totalorderedP @ ( cons @ SX0 @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[253]) ).

thf(326,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( frontsegP @ SX0 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[230]) ).

thf(327,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ~ ~ ( ~ ( leq @ SX0 @ SX1 )
                    | ~ ( leq @ SX1 @ SX0 ) )
              | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[218]) ).

thf(328,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( rearsegP @ nil @ SX0 )
                  | ( nil = SX0 ) )
              | ~ ( ( nil != SX0 )
                  | ( rearsegP @ nil @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[240]) ).

thf(329,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( frontsegP @ nil @ SX0 )
                  | ( nil = SX0 ) )
              | ~ ( ( nil != SX0 )
                  | ( frontsegP @ nil @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[234]) ).

thf(330,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ( strictorderedP @ ( cons @ SX0 @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[256]) ).

thf(331,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)],[196]) ).

thf(332,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ( nil
               != ( cons @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[210]) ).

thf(333,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ( totalorderP @ ( cons @ SX0 @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[249]) ).

thf(334,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( segmentP @ SX0 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[245]) ).

thf(335,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssItem @ SX2 )
                  | ~ ~ ( ~ ( geq @ SX0 @ SX1 )
                        | ~ ( geq @ SX1 @ SX2 ) )
                  | ( geq @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[273]) ).

thf(336,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( nil = SX0 )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( ssList @ SX1 )
                    | ~ ~ ! [SX2: $i] :
                            ~ ~ ( ~ ( ssItem @ SX2 )
                                | ( ( cons @ SX2 @ SX1 )
                                 != SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[209]) ).

thf(337,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ( ( nil != SX0 ) )
              | ( ( hd @ ( app @ SX0 @ SX1 ) )
                = ( hd @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[270]) ).

thf(338,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( ( app @ nil @ SX0 )
            = SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[217]) ).

thf(339,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ~ ( leq @ SX0 @ SX1 )
              | ( SX0 = SX1 )
              | ( lt @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[277]) ).

thf(340,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ~ ( ~ ( ~ ( memberP @ ( app @ SX1 @ SX2 ) @ SX0 )
                          | ( memberP @ SX1 @ SX0 )
                          | ( memberP @ SX2 @ SX0 ) )
                      | ~ ( ~ ( ( memberP @ SX1 @ SX0 )
                              | ( memberP @ SX2 @ SX0 ) )
                          | ( memberP @ ( app @ SX1 @ SX2 ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[224]) ).

thf(341,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssItem @ SX2 )
                  | ~ ~ ( ~ ( leq @ SX0 @ SX1 )
                        | ~ ( lt @ SX1 @ SX2 ) )
                  | ( lt @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[276]) ).

thf(342,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssItem @ SX2 )
                  | ~ ~ ( ~ ( gt @ SX0 @ SX1 )
                        | ~ ( gt @ SX1 @ SX2 ) )
                  | ( gt @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[280]) ).

thf(343,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ~ ( lt @ SX0 @ SX1 )
              | ~ ( lt @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[222]) ).

thf(344,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ( ssList @ ( app @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[215]) ).

thf(345,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ( strictorderP @ ( cons @ SX0 @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[251]) ).

thf(346,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)],[241]) ).

thf(347,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ( ( hd @ ( cons @ SX1 @ SX0 ) )
                = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[212]) ).

thf(348,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ( nil != SX0 ) )
          | ~ ! [SX1: $i] :
                ~ ~ ( ~ ( ssItem @ SX1 )
                    | ( ( hd @ SX0 )
                     != SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[262]) ).

thf(349,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)],[264]) ).

thf(350,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( cyclefreeP @ SX0 )
                  | ! [SX1: $i] :
                      ( ~ ( ssItem @ SX1 )
                      | ! [SX2: $i] :
                          ( ~ ( ssItem @ SX2 )
                          | ! [SX3: $i] :
                              ( ~ ( ssList @ SX3 )
                              | ! [SX4: $i] :
                                  ( ~ ( ssList @ SX4 )
                                  | ! [SX5: $i] :
                                      ( ~ ( ssList @ SX5 )
                                      | ( ( app @ ( app @ SX3 @ ( cons @ SX1 @ SX4 ) ) @ ( cons @ SX2 @ SX5 ) )
                                       != SX0 )
                                      | ~ ~ ( ~ ( leq @ SX1 @ SX2 )
                                            | ~ ( leq @ SX2 @ SX1 ) ) ) ) ) ) ) )
              | ~ ( ~ ! [SX1: $i] :
                        ( ~ ( ssItem @ SX1 )
                        | ! [SX2: $i] :
                            ( ~ ( ssItem @ SX2 )
                            | ! [SX3: $i] :
                                ( ~ ( ssList @ SX3 )
                                | ! [SX4: $i] :
                                    ( ~ ( ssList @ SX4 )
                                    | ! [SX5: $i] :
                                        ( ~ ( ssList @ SX5 )
                                        | ( ( app @ ( app @ SX3 @ ( cons @ SX1 @ SX4 ) ) @ ( cons @ SX2 @ SX5 ) )
                                         != SX0 )
                                        | ~ ~ ( ~ ( leq @ SX1 @ SX2 )
                                              | ~ ( leq @ SX2 @ SX1 ) ) ) ) ) ) )
                  | ( cyclefreeP @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[199]) ).

thf(351,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ~ ( memberP @ nil @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[226]) ).

thf(352,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ( nil != SX0 ) )
          | ( ssItem @ ( hd @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[211]) ).

thf(353,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ~ ( gt @ SX0 @ SX1 )
              | ~ ( gt @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[279]) ).

thf(354,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ( cyclefreeP @ ( cons @ SX0 @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[247]) ).

thf(355,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ( rearsegP @ SX0 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[237]) ).

thf(356,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)],[231]) ).

thf(357,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ~ ~ ( ~ ( segmentP @ SX0 @ SX1 )
                    | ~ ( segmentP @ SX1 @ SX0 ) )
              | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[242]) ).

thf(358,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ~ ( ~ ( ~ ( segmentP @ nil @ SX0 )
                  | ( nil = SX0 ) )
              | ~ ( ( nil != SX0 )
                  | ( segmentP @ nil @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[246]) ).

thf(359,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)],[235]) ).

thf(360,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ( ssList @ ( cons @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[205]) ).

thf(361,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ~ ( ~ ( ~ ( geq @ SX0 @ SX1 )
                      | ( leq @ SX1 @ SX0 ) )
                  | ~ ( ~ ( leq @ SX1 @ SX0 )
                      | ( geq @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[221]) ).

thf(362,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ~ ~ ( ~ ( geq @ SX0 @ SX1 )
                    | ~ ( geq @ SX1 @ SX0 ) )
              | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[272]) ).

thf(363,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssItem @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssItem @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssItem @ SX2 )
                  | ~ ~ ( ~ ( leq @ SX0 @ SX1 )
                        | ~ ( leq @ SX1 @ SX2 ) )
                  | ( leq @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[219]) ).

thf(364,plain,
    ( ( singletonP @ nil )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[227]) ).

thf(365,plain,
    ! [SV1: $i] :
      ( ( ~ ( ssList @ SV1 )
        | ! [SY201: $i] :
            ( ~ ( ssList @ SY201 )
            | ! [SY202: $i] :
                ( ~ ( ssList @ SY202 )
                | ~ ( rearsegP @ SV1 @ SY201 )
                | ( rearsegP @ ( app @ SY202 @ SV1 ) @ SY201 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[283]) ).

thf(366,plain,
    ! [SV2: $i] :
      ( ( ~ ( ssList @ SV2 )
        | ~ ( ( nil != SV2 ) )
        | ~ ! [SY203: $i] :
              ~ ~ ( ~ ( ssList @ SY203 )
                  | ( ( tl @ SV2 )
                   != SY203 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[284]) ).

thf(367,plain,
    ! [SV3: $i] :
      ( ( ~ ( ssItem @ SV3 )
        | ! [SY204: $i] :
            ( ~ ( ssItem @ SY204 )
            | ! [SY205: $i] :
                ( ~ ( ssList @ SY205 )
                | ! [SY206: $i] :
                    ( ~ ( ssList @ SY206 )
                    | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SY205 ) @ ( cons @ SY204 @ SY206 ) )
                            | ~ ( ( SV3 != SY204 )
                                | ~ ( frontsegP @ SY205 @ SY206 ) ) )
                        | ~ ( ~ ~ ( ( SV3 != SY204 )
                                  | ~ ( frontsegP @ SY205 @ SY206 ) )
                            | ( frontsegP @ ( cons @ SV3 @ SY205 ) @ ( cons @ SY204 @ SY206 ) ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[285]) ).

thf(368,plain,
    ! [SV4: $i] :
      ( ( ~ ( ssList @ SV4 )
        | ! [SY207: $i] :
            ( ~ ( ssList @ SY207 )
            | ~ ( ~ ( ~ ( segmentP @ SV4 @ SY207 )
                    | ~ ! [SY208: $i] :
                          ~ ~ ( ~ ( ssList @ SY208 )
                              | ~ ~ ! [SY209: $i] :
                                      ~ ~ ( ~ ( ssList @ SY209 )
                                          | ( ( app @ ( app @ SY208 @ SY207 ) @ SY209 )
                                           != SV4 ) ) ) )
                | ~ ( ~ ~ ! [SY210: $i] :
                            ~ ~ ( ~ ( ssList @ SY210 )
                                | ~ ~ ! [SY211: $i] :
                                        ~ ~ ( ~ ( ssList @ SY211 )
                                            | ( ( app @ ( app @ SY210 @ SY207 ) @ SY211 )
                                             != SV4 ) ) )
                    | ( segmentP @ SV4 @ SY207 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[286]) ).

thf(369,plain,
    ! [SV5: $i] :
      ( ( ~ ( ssList @ SV5 )
        | ! [SY212: $i] :
            ( ~ ( ssList @ SY212 )
            | ! [SY213: $i] :
                ( ~ ( ssList @ SY213 )
                | ( ( app @ SY212 @ SY213 )
                 != ( app @ SY212 @ SV5 ) )
                | ( SY213 = SV5 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[287]) ).

thf(370,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( ssList @ SX0 )
          | ! [SX1: $i] :
              ( ~ ( ssList @ SX1 )
              | ! [SX2: $i] :
                  ( ~ ( ssList @ SX2 )
                  | ( nil != SX0 )
                  | ( SX0 != SX2 )
                  | ( sK1_U != SX1 )
                  | ( nil = sK1_U )
                  | ! [SX3: $i] :
                      ( ~ ( ssList @ SX3 )
                      | ( ( app @ SX1 @ SX3 )
                       != SX2 )
                      | ~ ( totalorderedP @ SX1 )
                      | ~ ! [SX4: $i] :
                            ~ ~ ( ~ ( ssItem @ SX4 )
                                | ~ ~ ! [SX5: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( ssList @ SX5 )
                                                  | ( ( app @ ( cons @ SX4 @ nil ) @ SX5 )
                                                   != SX3 ) )
                                            | ~ ~ ! [SX6: $i] :
                                                    ~ ~ ( ~ ( ssItem @ SX6 )
                                                        | ~ ~ ! [SX7: $i] :
                                                                ~ ~ ( ~ ~ ( ~ ( ssList @ SX7 )
                                                                          | ( ( app @ SX7 @ ( cons @ SX6 @ nil ) )
                                                                           != SX1 ) )
                                                                    | ~ ( leq @ SX6 @ SX4 ) ) ) ) ) )
                  | ~ ( ~ ( ( nil != SX2 ) )
                      | ( nil != SX1 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[288]) ).

thf(371,plain,
    ! [SV6: $i] :
      ( ( ~ ( ssItem @ SV6 )
        | ( equalelemsP @ ( cons @ SV6 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[289]) ).

thf(372,plain,
    ! [SV7: $i] :
      ( ( ~ ( ssList @ SV7 )
        | ! [SY214: $i] :
            ( ~ ( ssList @ SY214 )
            | ! [SY215: $i] :
                ( ~ ( ssList @ SY215 )
                | ( ( app @ ( app @ SV7 @ SY214 ) @ SY215 )
                  = ( app @ SV7 @ ( app @ SY214 @ SY215 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[290]) ).

thf(373,plain,
    ! [SV8: $i] :
      ( ( ~ ( ssItem @ SV8 )
        | ! [SY216: $i] :
            ( ~ ( ssList @ SY216 )
            | ~ ( ~ ( ~ ( totalorderedP @ ( cons @ SV8 @ SY216 ) )
                    | ( nil = SY216 )
                    | ~ ( ~ ~ ( ~ ( ( nil != SY216 ) )
                              | ~ ( totalorderedP @ SY216 ) )
                        | ~ ( leq @ SV8 @ ( hd @ SY216 ) ) ) )
                | ~ ( ~ ( ( nil = SY216 )
                        | ~ ( ~ ~ ( ~ ( ( nil != SY216 ) )
                                  | ~ ( totalorderedP @ SY216 ) )
                            | ~ ( leq @ SV8 @ ( hd @ SY216 ) ) ) )
                    | ( totalorderedP @ ( cons @ SV8 @ SY216 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[291]) ).

thf(374,plain,
    ! [SV9: $i] :
      ( ( ~ ( ssItem @ SV9 )
        | ! [SY217: $i] :
            ( ~ ( ssItem @ SY217 )
            | ~ ( ~ ( ~ ( lt @ SV9 @ SY217 )
                    | ~ ( ~ ( ( SV9 != SY217 ) )
                        | ~ ( leq @ SV9 @ SY217 ) ) )
                | ~ ( ~ ~ ( ~ ( ( SV9 != SY217 ) )
                          | ~ ( leq @ SV9 @ SY217 ) )
                    | ( lt @ SV9 @ SY217 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[292]) ).

thf(375,plain,
    ! [SV10: $i] :
      ( ( ~ ( ssItem @ SV10 )
        | ! [SY218: $i] :
            ( ~ ( ssItem @ SY218 )
            | ! [SY219: $i] :
                ( ~ ( ssItem @ SY219 )
                | ~ ~ ( ~ ( lt @ SV10 @ SY218 )
                      | ~ ( lt @ SY218 @ SY219 ) )
                | ( lt @ SV10 @ SY219 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[293]) ).

thf(376,plain,
    ( ( ! [SX0: $i] :
          ~ ~ ( ~ ( ssItem @ SX0 )
              | ~ ~ ! [SX1: $i] :
                      ~ ~ ( ~ ( ssItem @ SX1 )
                          | ~ ( ( SX0 != SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[294]) ).

thf(377,plain,
    ! [SV11: $i] :
      ( ( ~ ( ssList @ SV11 )
        | ! [SY220: $i] :
            ( ~ ( ssList @ SY220 )
            | ~ ( ~ ( ( nil
                     != ( app @ SV11 @ SY220 ) )
                    | ~ ( ( nil != SY220 )
                        | ( nil != SV11 ) ) )
                | ~ ( ~ ~ ( ( nil != SY220 )
                          | ( nil != SV11 ) )
                    | ( nil
                      = ( app @ SV11 @ SY220 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[295]) ).

thf(378,plain,
    ! [SV12: $i] :
      ( ( ~ ( ssItem @ SV12 )
        | ( leq @ SV12 @ SV12 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[296]) ).

thf(379,plain,
    ! [SV13: $i] :
      ( ( ~ ( ssList @ SV13 )
        | ~ ( ~ ( ~ ( duplicatefreeP @ SV13 )
                | ! [SY221: $i] :
                    ( ~ ( ssItem @ SY221 )
                    | ! [SY222: $i] :
                        ( ~ ( ssItem @ SY222 )
                        | ! [SY223: $i] :
                            ( ~ ( ssList @ SY223 )
                            | ! [SY224: $i] :
                                ( ~ ( ssList @ SY224 )
                                | ! [SY225: $i] :
                                    ( ~ ( ssList @ SY225 )
                                    | ( ( app @ ( app @ SY223 @ ( cons @ SY221 @ SY224 ) ) @ ( cons @ SY222 @ SY225 ) )
                                     != SV13 )
                                    | ( SY221 != SY222 ) ) ) ) ) ) )
            | ~ ( ~ ! [SY226: $i] :
                      ( ~ ( ssItem @ SY226 )
                      | ! [SY227: $i] :
                          ( ~ ( ssItem @ SY227 )
                          | ! [SY228: $i] :
                              ( ~ ( ssList @ SY228 )
                              | ! [SY229: $i] :
                                  ( ~ ( ssList @ SY229 )
                                  | ! [SY230: $i] :
                                      ( ~ ( ssList @ SY230 )
                                      | ( ( app @ ( app @ SY228 @ ( cons @ SY226 @ SY229 ) ) @ ( cons @ SY227 @ SY230 ) )
                                       != SV13 )
                                      | ( SY226 != SY227 ) ) ) ) ) )
                | ( duplicatefreeP @ SV13 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[297]) ).

thf(380,plain,
    ! [SV14: $i] :
      ( ( ~ ( ssList @ SV14 )
        | ! [SY231: $i] :
            ( ~ ( ssItem @ SY231 )
            | ( ( tl @ ( cons @ SY231 @ SV14 ) )
              = SV14 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[298]) ).

thf(381,plain,
    ! [SV15: $i] :
      ( ( ~ ( ssList @ SV15 )
        | ! [SY232: $i] :
            ( ~ ( ssList @ SY232 )
            | ~ ( ~ ( ~ ( rearsegP @ SV15 @ SY232 )
                    | ~ ! [SY233: $i] :
                          ~ ~ ( ~ ( ssList @ SY233 )
                              | ( ( app @ SY233 @ SY232 )
                               != SV15 ) ) )
                | ~ ( ~ ~ ! [SY234: $i] :
                            ~ ~ ( ~ ( ssList @ SY234 )
                                | ( ( app @ SY234 @ SY232 )
                                 != SV15 ) )
                    | ( rearsegP @ SV15 @ SY232 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[299]) ).

thf(382,plain,
    ! [SV16: $i] :
      ( ( ~ ( ssList @ SV16 )
        | ! [SY235: $i] :
            ( ~ ( ssList @ SY235 )
            | ~ ~ ( ~ ( rearsegP @ SV16 @ SY235 )
                  | ~ ( rearsegP @ SY235 @ SV16 ) )
            | ( SV16 = SY235 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[300]) ).

thf(383,plain,
    ! [SV17: $i] :
      ( ( ~ ( ssList @ SV17 )
        | ~ ( ~ ( ~ ( equalelemsP @ SV17 )
                | ! [SY236: $i] :
                    ( ~ ( ssItem @ SY236 )
                    | ! [SY237: $i] :
                        ( ~ ( ssItem @ SY237 )
                        | ! [SY238: $i] :
                            ( ~ ( ssList @ SY238 )
                            | ! [SY239: $i] :
                                ( ~ ( ssList @ SY239 )
                                | ( ( app @ SY238 @ ( cons @ SY236 @ ( cons @ SY237 @ SY239 ) ) )
                                 != SV17 )
                                | ( SY236 = SY237 ) ) ) ) ) )
            | ~ ( ~ ! [SY240: $i] :
                      ( ~ ( ssItem @ SY240 )
                      | ! [SY241: $i] :
                          ( ~ ( ssItem @ SY241 )
                          | ! [SY242: $i] :
                              ( ~ ( ssList @ SY242 )
                              | ! [SY243: $i] :
                                  ( ~ ( ssList @ SY243 )
                                  | ( ( app @ SY242 @ ( cons @ SY240 @ ( cons @ SY241 @ SY243 ) ) )
                                   != SV17 )
                                  | ( SY240 = SY241 ) ) ) ) )
                | ( equalelemsP @ SV17 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[301]) ).

thf(384,plain,
    ! [SV18: $i] :
      ( ( ~ ( ssList @ SV18 )
        | ~ ( ~ ( ~ ( totalorderedP @ SV18 )
                | ! [SY244: $i] :
                    ( ~ ( ssItem @ SY244 )
                    | ! [SY245: $i] :
                        ( ~ ( ssItem @ SY245 )
                        | ! [SY246: $i] :
                            ( ~ ( ssList @ SY246 )
                            | ! [SY247: $i] :
                                ( ~ ( ssList @ SY247 )
                                | ! [SY248: $i] :
                                    ( ~ ( ssList @ SY248 )
                                    | ( ( app @ ( app @ SY246 @ ( cons @ SY244 @ SY247 ) ) @ ( cons @ SY245 @ SY248 ) )
                                     != SV18 )
                                    | ( leq @ SY244 @ SY245 ) ) ) ) ) ) )
            | ~ ( ~ ! [SY249: $i] :
                      ( ~ ( ssItem @ SY249 )
                      | ! [SY250: $i] :
                          ( ~ ( ssItem @ SY250 )
                          | ! [SY251: $i] :
                              ( ~ ( ssList @ SY251 )
                              | ! [SY252: $i] :
                                  ( ~ ( ssList @ SY252 )
                                  | ! [SY253: $i] :
                                      ( ~ ( ssList @ SY253 )
                                      | ( ( app @ ( app @ SY251 @ ( cons @ SY249 @ SY252 ) ) @ ( cons @ SY250 @ SY253 ) )
                                       != SV18 )
                                      | ( leq @ SY249 @ SY250 ) ) ) ) ) )
                | ( totalorderedP @ SV18 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[302]) ).

thf(385,plain,
    ! [SV19: $i] :
      ( ( ~ ( ssList @ SV19 )
        | ! [SY254: $i] :
            ( ~ ( ssItem @ SY254 )
            | ( ( cons @ SY254 @ SV19 )
              = ( app @ ( cons @ SY254 @ nil ) @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[303]) ).

thf(386,plain,
    ! [SV20: $i] :
      ( ( ~ ( ssList @ SV20 )
        | ~ ( ~ ( ~ ( totalorderP @ SV20 )
                | ! [SY255: $i] :
                    ( ~ ( ssItem @ SY255 )
                    | ! [SY256: $i] :
                        ( ~ ( ssItem @ SY256 )
                        | ! [SY257: $i] :
                            ( ~ ( ssList @ SY257 )
                            | ! [SY258: $i] :
                                ( ~ ( ssList @ SY258 )
                                | ! [SY259: $i] :
                                    ( ~ ( ssList @ SY259 )
                                    | ( ( app @ ( app @ SY257 @ ( cons @ SY255 @ SY258 ) ) @ ( cons @ SY256 @ SY259 ) )
                                     != SV20 )
                                    | ( leq @ SY255 @ SY256 )
                                    | ( leq @ SY256 @ SY255 ) ) ) ) ) ) )
            | ~ ( ~ ! [SY260: $i] :
                      ( ~ ( ssItem @ SY260 )
                      | ! [SY261: $i] :
                          ( ~ ( ssItem @ SY261 )
                          | ! [SY262: $i] :
                              ( ~ ( ssList @ SY262 )
                              | ! [SY263: $i] :
                                  ( ~ ( ssList @ SY263 )
                                  | ! [SY264: $i] :
                                      ( ~ ( ssList @ SY264 )
                                      | ( ( app @ ( app @ SY262 @ ( cons @ SY260 @ SY263 ) ) @ ( cons @ SY261 @ SY264 ) )
                                       != SV20 )
                                      | ( leq @ SY260 @ SY261 )
                                      | ( leq @ SY261 @ SY260 ) ) ) ) ) )
                | ( totalorderP @ SV20 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[304]) ).

thf(387,plain,
    ! [SV21: $i] :
      ( ( ~ ( ssList @ SV21 )
        | ! [SY265: $i] :
            ( ~ ( ssItem @ SY265 )
            | ( ( cons @ SY265 @ SV21 )
             != SV21 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[305]) ).

thf(388,plain,
    ! [SV22: $i] :
      ( ( ~ ( ssList @ SV22 )
        | ( frontsegP @ SV22 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[306]) ).

thf(389,plain,
    ! [SV23: $i] :
      ( ( ~ ( ssItem @ SV23 )
        | ( geq @ SV23 @ SV23 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[307]) ).

thf(390,plain,
    ! [SV24: $i] :
      ( ( ~ ( ssList @ SV24 )
        | ! [SY266: $i] :
            ( ~ ( ssItem @ SY266 )
            | ~ ( ~ ( ~ ( memberP @ SV24 @ SY266 )
                    | ~ ! [SY267: $i] :
                          ~ ~ ( ~ ( ssList @ SY267 )
                              | ~ ~ ! [SY268: $i] :
                                      ~ ~ ( ~ ( ssList @ SY268 )
                                          | ( ( app @ SY267 @ ( cons @ SY266 @ SY268 ) )
                                           != SV24 ) ) ) )
                | ~ ( ~ ~ ! [SY269: $i] :
                            ~ ~ ( ~ ( ssList @ SY269 )
                                | ~ ~ ! [SY270: $i] :
                                        ~ ~ ( ~ ( ssList @ SY270 )
                                            | ( ( app @ SY269 @ ( cons @ SY266 @ SY270 ) )
                                             != SV24 ) ) )
                    | ( memberP @ SV24 @ SY266 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[308]) ).

thf(391,plain,
    ! [SV25: $i] :
      ( ( ~ ( ssList @ SV25 )
        | ( segmentP @ SV25 @ SV25 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[309]) ).

thf(392,plain,
    ! [SV26: $i] :
      ( ( ~ ( ssList @ SV26 )
        | ! [SY271: $i] :
            ( ~ ( ssList @ SY271 )
            | ! [SY272: $i] :
                ( ~ ( ssList @ SY272 )
                | ! [SY273: $i] :
                    ( ~ ( ssList @ SY273 )
                    | ~ ( segmentP @ SV26 @ SY271 )
                    | ( segmentP @ ( app @ ( app @ SY272 @ SV26 ) @ SY273 ) @ SY271 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[310]) ).

thf(393,plain,
    ! [SV27: $i] :
      ( ( ~ ( ssList @ SV27 )
        | ! [SY274: $i] :
            ( ~ ( ssList @ SY274 )
            | ! [SY275: $i] :
                ( ~ ( ssItem @ SY275 )
                | ! [SY276: $i] :
                    ( ~ ( ssItem @ SY276 )
                    | ( ( cons @ SY275 @ SV27 )
                     != ( cons @ SY276 @ SY274 ) )
                    | ~ ( ( SY275 != SY276 )
                        | ( SY274 != SV27 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[311]) ).

thf(394,plain,
    ! [SV28: $i] :
      ( ( ~ ( ssList @ SV28 )
        | ( ( app @ SV28 @ nil )
          = SV28 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[312]) ).

thf(395,plain,
    ! [SV29: $i] :
      ( ( ~ ( ssList @ SV29 )
        | ! [SY277: $i] :
            ( ~ ( ssList @ SY277 )
            | ! [SY278: $i] :
                ( ~ ( ssList @ SY278 )
                | ~ ~ ( ~ ( frontsegP @ SV29 @ SY277 )
                      | ~ ( frontsegP @ SY277 @ SY278 ) )
                | ( frontsegP @ SV29 @ SY278 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[313]) ).

thf(396,plain,
    ! [SV30: $i] :
      ( ( ~ ( ssList @ SV30 )
        | ! [SY279: $i] :
            ( ~ ( ssList @ SY279 )
            | ~ ( ( nil != SV30 ) )
            | ( ( tl @ ( app @ SV30 @ SY279 ) )
              = ( app @ ( tl @ SV30 ) @ SY279 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[314]) ).

thf(397,plain,
    ! [SV31: $i] :
      ( ( ~ ( ssItem @ SV31 )
        | ! [SY280: $i] :
            ( ~ ( ssItem @ SY280 )
            | ~ ( ~ ( ~ ( neq @ SV31 @ SY280 )
                    | ( SV31 != SY280 ) )
                | ~ ( ~ ( ( SV31 != SY280 ) )
                    | ( neq @ SV31 @ SY280 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[315]) ).

thf(398,plain,
    ! [SV32: $i] :
      ( ( ~ ( ssItem @ SV32 )
        | ! [SY281: $i] :
            ( ~ ( ssItem @ SY281 )
            | ! [SY282: $i] :
                ( ~ ( ssList @ SY282 )
                | ~ ( ~ ( ~ ( memberP @ ( cons @ SY281 @ SY282 ) @ SV32 )
                        | ( SV32 = SY281 )
                        | ( memberP @ SY282 @ SV32 ) )
                    | ~ ( ~ ( ( SV32 = SY281 )
                            | ( memberP @ SY282 @ SV32 ) )
                        | ( memberP @ ( cons @ SY281 @ SY282 ) @ SV32 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[316]) ).

thf(399,plain,
    ! [SV33: $i] :
      ( ( ~ ( ssList @ SV33 )
        | ~ ( ( nil != SV33 ) )
        | ( ssList @ ( tl @ SV33 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[317]) ).

thf(400,plain,
    ! [SV34: $i] :
      ( ( ~ ( ssList @ SV34 )
        | ~ ( ~ ( ~ ( singletonP @ SV34 )
                | ~ ! [SY283: $i] :
                      ~ ~ ( ~ ( ssItem @ SY283 )
                          | ( ( cons @ SY283 @ nil )
                           != SV34 ) ) )
            | ~ ( ~ ~ ! [SY284: $i] :
                        ~ ~ ( ~ ( ssItem @ SY284 )
                            | ( ( cons @ SY284 @ nil )
                             != SV34 ) )
                | ( singletonP @ SV34 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[318]) ).

thf(401,plain,
    ! [SV35: $i] :
      ( ( ~ ( ssList @ SV35 )
        | ! [SY285: $i] :
            ( ~ ( ssList @ SY285 )
            | ~ ( ~ ( ~ ( neq @ SV35 @ SY285 )
                    | ( SV35 != SY285 ) )
                | ~ ( ~ ( ( SV35 != SY285 ) )
                    | ( neq @ SV35 @ SY285 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[319]) ).

thf(402,plain,
    ! [SV36: $i] :
      ( ( ~ ( ssList @ SV36 )
        | ! [SY286: $i] :
            ( ~ ( ssList @ SY286 )
            | ! [SY287: $i] :
                ( ~ ( ssItem @ SY287 )
                | ( ( cons @ SY287 @ ( app @ SY286 @ SV36 ) )
                  = ( app @ ( cons @ SY287 @ SY286 ) @ SV36 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[320]) ).

thf(403,plain,
    ! [SV37: $i] :
      ( ( ~ ( ssItem @ SV37 )
        | ~ ( lt @ SV37 @ SV37 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[321]) ).

thf(404,plain,
    ! [SV38: $i] :
      ( ( ~ ( ssItem @ SV38 )
        | ( duplicatefreeP @ ( cons @ SV38 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[322]) ).

thf(405,plain,
    ! [SV39: $i] :
      ( ( ~ ( ssList @ SV39 )
        | ( rearsegP @ SV39 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[323]) ).

thf(406,plain,
    ! [SV40: $i] :
      ( ( ~ ( ssList @ SV40 )
        | ! [SY288: $i] :
            ( ~ ( ssList @ SY288 )
            | ~ ~ ( ~ ( frontsegP @ SV40 @ SY288 )
                  | ~ ( frontsegP @ SY288 @ SV40 ) )
            | ( SV40 = SY288 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[324]) ).

thf(407,plain,
    ! [SV41: $i] :
      ( ( ~ ( ssItem @ SV41 )
        | ( totalorderedP @ ( cons @ SV41 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[325]) ).

thf(408,plain,
    ! [SV42: $i] :
      ( ( ~ ( ssList @ SV42 )
        | ( frontsegP @ SV42 @ SV42 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[326]) ).

thf(409,plain,
    ! [SV43: $i] :
      ( ( ~ ( ssItem @ SV43 )
        | ! [SY289: $i] :
            ( ~ ( ssItem @ SY289 )
            | ~ ~ ( ~ ( leq @ SV43 @ SY289 )
                  | ~ ( leq @ SY289 @ SV43 ) )
            | ( SV43 = SY289 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[327]) ).

thf(410,plain,
    ! [SV44: $i] :
      ( ( ~ ( ssList @ SV44 )
        | ~ ( ~ ( ~ ( rearsegP @ nil @ SV44 )
                | ( nil = SV44 ) )
            | ~ ( ( nil != SV44 )
                | ( rearsegP @ nil @ SV44 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[328]) ).

thf(411,plain,
    ! [SV45: $i] :
      ( ( ~ ( ssList @ SV45 )
        | ~ ( ~ ( ~ ( frontsegP @ nil @ SV45 )
                | ( nil = SV45 ) )
            | ~ ( ( nil != SV45 )
                | ( frontsegP @ nil @ SV45 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[329]) ).

thf(412,plain,
    ! [SV46: $i] :
      ( ( ~ ( ssItem @ SV46 )
        | ( strictorderedP @ ( cons @ SV46 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[330]) ).

thf(413,plain,
    ! [SV47: $i] :
      ( ( ~ ( ssList @ SV47 )
        | ! [SY290: $i] :
            ( ~ ( ssList @ SY290 )
            | ~ ( ~ ( ~ ( frontsegP @ SV47 @ SY290 )
                    | ~ ! [SY291: $i] :
                          ~ ~ ( ~ ( ssList @ SY291 )
                              | ( ( app @ SY290 @ SY291 )
                               != SV47 ) ) )
                | ~ ( ~ ~ ! [SY292: $i] :
                            ~ ~ ( ~ ( ssList @ SY292 )
                                | ( ( app @ SY290 @ SY292 )
                                 != SV47 ) )
                    | ( frontsegP @ SV47 @ SY290 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[331]) ).

thf(414,plain,
    ! [SV48: $i] :
      ( ( ~ ( ssList @ SV48 )
        | ! [SY293: $i] :
            ( ~ ( ssItem @ SY293 )
            | ( nil
             != ( cons @ SY293 @ SV48 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[332]) ).

thf(415,plain,
    ! [SV49: $i] :
      ( ( ~ ( ssItem @ SV49 )
        | ( totalorderP @ ( cons @ SV49 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[333]) ).

thf(416,plain,
    ! [SV50: $i] :
      ( ( ~ ( ssList @ SV50 )
        | ( segmentP @ SV50 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[334]) ).

thf(417,plain,
    ! [SV51: $i] :
      ( ( ~ ( ssItem @ SV51 )
        | ! [SY294: $i] :
            ( ~ ( ssItem @ SY294 )
            | ! [SY295: $i] :
                ( ~ ( ssItem @ SY295 )
                | ~ ~ ( ~ ( geq @ SV51 @ SY294 )
                      | ~ ( geq @ SY294 @ SY295 ) )
                | ( geq @ SV51 @ SY295 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[335]) ).

thf(418,plain,
    ! [SV52: $i] :
      ( ( ~ ( ssList @ SV52 )
        | ( nil = SV52 )
        | ~ ! [SY296: $i] :
              ~ ~ ( ~ ( ssList @ SY296 )
                  | ~ ~ ! [SY297: $i] :
                          ~ ~ ( ~ ( ssItem @ SY297 )
                              | ( ( cons @ SY297 @ SY296 )
                               != SV52 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[336]) ).

thf(419,plain,
    ! [SV53: $i] :
      ( ( ~ ( ssList @ SV53 )
        | ! [SY298: $i] :
            ( ~ ( ssList @ SY298 )
            | ~ ( ( nil != SV53 ) )
            | ( ( hd @ ( app @ SV53 @ SY298 ) )
              = ( hd @ SV53 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[337]) ).

thf(420,plain,
    ! [SV54: $i] :
      ( ( ~ ( ssList @ SV54 )
        | ( ( app @ nil @ SV54 )
          = SV54 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[338]) ).

thf(421,plain,
    ! [SV55: $i] :
      ( ( ~ ( ssItem @ SV55 )
        | ! [SY299: $i] :
            ( ~ ( ssItem @ SY299 )
            | ~ ( leq @ SV55 @ SY299 )
            | ( SV55 = SY299 )
            | ( lt @ SV55 @ SY299 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[339]) ).

thf(422,plain,
    ! [SV56: $i] :
      ( ( ~ ( ssItem @ SV56 )
        | ! [SY300: $i] :
            ( ~ ( ssList @ SY300 )
            | ! [SY301: $i] :
                ( ~ ( ssList @ SY301 )
                | ~ ( ~ ( ~ ( memberP @ ( app @ SY300 @ SY301 ) @ SV56 )
                        | ( memberP @ SY300 @ SV56 )
                        | ( memberP @ SY301 @ SV56 ) )
                    | ~ ( ~ ( ( memberP @ SY300 @ SV56 )
                            | ( memberP @ SY301 @ SV56 ) )
                        | ( memberP @ ( app @ SY300 @ SY301 ) @ SV56 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[340]) ).

thf(423,plain,
    ! [SV57: $i] :
      ( ( ~ ( ssItem @ SV57 )
        | ! [SY302: $i] :
            ( ~ ( ssItem @ SY302 )
            | ! [SY303: $i] :
                ( ~ ( ssItem @ SY303 )
                | ~ ~ ( ~ ( leq @ SV57 @ SY302 )
                      | ~ ( lt @ SY302 @ SY303 ) )
                | ( lt @ SV57 @ SY303 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[341]) ).

thf(424,plain,
    ! [SV58: $i] :
      ( ( ~ ( ssItem @ SV58 )
        | ! [SY304: $i] :
            ( ~ ( ssItem @ SY304 )
            | ! [SY305: $i] :
                ( ~ ( ssItem @ SY305 )
                | ~ ~ ( ~ ( gt @ SV58 @ SY304 )
                      | ~ ( gt @ SY304 @ SY305 ) )
                | ( gt @ SV58 @ SY305 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[342]) ).

thf(425,plain,
    ! [SV59: $i] :
      ( ( ~ ( ssItem @ SV59 )
        | ! [SY306: $i] :
            ( ~ ( ssItem @ SY306 )
            | ~ ( lt @ SV59 @ SY306 )
            | ~ ( lt @ SY306 @ SV59 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[343]) ).

thf(426,plain,
    ! [SV60: $i] :
      ( ( ~ ( ssList @ SV60 )
        | ! [SY307: $i] :
            ( ~ ( ssList @ SY307 )
            | ( ssList @ ( app @ SV60 @ SY307 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[344]) ).

thf(427,plain,
    ! [SV61: $i] :
      ( ( ~ ( ssItem @ SV61 )
        | ( strictorderP @ ( cons @ SV61 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[345]) ).

thf(428,plain,
    ! [SV62: $i] :
      ( ( ~ ( ssList @ SV62 )
        | ! [SY308: $i] :
            ( ~ ( ssList @ SY308 )
            | ! [SY309: $i] :
                ( ~ ( ssList @ SY309 )
                | ~ ~ ( ~ ( segmentP @ SV62 @ SY308 )
                      | ~ ( segmentP @ SY308 @ SY309 ) )
                | ( segmentP @ SV62 @ SY309 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[346]) ).

thf(429,plain,
    ! [SV63: $i] :
      ( ( ~ ( ssList @ SV63 )
        | ! [SY310: $i] :
            ( ~ ( ssItem @ SY310 )
            | ( ( hd @ ( cons @ SY310 @ SV63 ) )
              = SY310 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[347]) ).

thf(430,plain,
    ! [SV64: $i] :
      ( ( ~ ( ssList @ SV64 )
        | ~ ( ( nil != SV64 ) )
        | ~ ! [SY311: $i] :
              ~ ~ ( ~ ( ssItem @ SY311 )
                  | ( ( hd @ SV64 )
                   != SY311 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[348]) ).

thf(431,plain,
    ! [SV65: $i] :
      ( ( ~ ( ssList @ SV65 )
        | ! [SY312: $i] :
            ( ~ ( ssList @ SY312 )
            | ! [SY313: $i] :
                ( ~ ( ssList @ SY313 )
                | ( ( app @ SY313 @ SY312 )
                 != ( app @ SV65 @ SY312 ) )
                | ( SY313 = SV65 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[349]) ).

thf(432,plain,
    ! [SV66: $i] :
      ( ( ~ ( ssList @ SV66 )
        | ~ ( ~ ( ~ ( cyclefreeP @ SV66 )
                | ! [SY314: $i] :
                    ( ~ ( ssItem @ SY314 )
                    | ! [SY315: $i] :
                        ( ~ ( ssItem @ SY315 )
                        | ! [SY316: $i] :
                            ( ~ ( ssList @ SY316 )
                            | ! [SY317: $i] :
                                ( ~ ( ssList @ SY317 )
                                | ! [SY318: $i] :
                                    ( ~ ( ssList @ SY318 )
                                    | ( ( app @ ( app @ SY316 @ ( cons @ SY314 @ SY317 ) ) @ ( cons @ SY315 @ SY318 ) )
                                     != SV66 )
                                    | ~ ~ ( ~ ( leq @ SY314 @ SY315 )
                                          | ~ ( leq @ SY315 @ SY314 ) ) ) ) ) ) ) )
            | ~ ( ~ ! [SY319: $i] :
                      ( ~ ( ssItem @ SY319 )
                      | ! [SY320: $i] :
                          ( ~ ( ssItem @ SY320 )
                          | ! [SY321: $i] :
                              ( ~ ( ssList @ SY321 )
                              | ! [SY322: $i] :
                                  ( ~ ( ssList @ SY322 )
                                  | ! [SY323: $i] :
                                      ( ~ ( ssList @ SY323 )
                                      | ( ( app @ ( app @ SY321 @ ( cons @ SY319 @ SY322 ) ) @ ( cons @ SY320 @ SY323 ) )
                                       != SV66 )
                                      | ~ ~ ( ~ ( leq @ SY319 @ SY320 )
                                            | ~ ( leq @ SY320 @ SY319 ) ) ) ) ) ) )
                | ( cyclefreeP @ SV66 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[350]) ).

thf(433,plain,
    ! [SV67: $i] :
      ( ( ~ ( ssItem @ SV67 )
        | ~ ( memberP @ nil @ SV67 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[351]) ).

thf(434,plain,
    ! [SV68: $i] :
      ( ( ~ ( ssList @ SV68 )
        | ~ ( ( nil != SV68 ) )
        | ( ssItem @ ( hd @ SV68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[352]) ).

thf(435,plain,
    ! [SV69: $i] :
      ( ( ~ ( ssItem @ SV69 )
        | ! [SY324: $i] :
            ( ~ ( ssItem @ SY324 )
            | ~ ( gt @ SV69 @ SY324 )
            | ~ ( gt @ SY324 @ SV69 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[353]) ).

thf(436,plain,
    ! [SV70: $i] :
      ( ( ~ ( ssItem @ SV70 )
        | ( cyclefreeP @ ( cons @ SV70 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[354]) ).

thf(437,plain,
    ! [SV71: $i] :
      ( ( ~ ( ssList @ SV71 )
        | ( rearsegP @ SV71 @ SV71 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[355]) ).

thf(438,plain,
    ! [SV72: $i] :
      ( ( ~ ( ssList @ SV72 )
        | ! [SY325: $i] :
            ( ~ ( ssList @ SY325 )
            | ! [SY326: $i] :
                ( ~ ( ssList @ SY326 )
                | ~ ( frontsegP @ SV72 @ SY325 )
                | ( frontsegP @ ( app @ SV72 @ SY326 ) @ SY325 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[356]) ).

thf(439,plain,
    ! [SV73: $i] :
      ( ( ~ ( ssList @ SV73 )
        | ! [SY327: $i] :
            ( ~ ( ssList @ SY327 )
            | ~ ~ ( ~ ( segmentP @ SV73 @ SY327 )
                  | ~ ( segmentP @ SY327 @ SV73 ) )
            | ( SV73 = SY327 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[357]) ).

thf(440,plain,
    ! [SV74: $i] :
      ( ( ~ ( ssList @ SV74 )
        | ~ ( ~ ( ~ ( segmentP @ nil @ SV74 )
                | ( nil = SV74 ) )
            | ~ ( ( nil != SV74 )
                | ( segmentP @ nil @ SV74 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[358]) ).

thf(441,plain,
    ! [SV75: $i] :
      ( ( ~ ( ssList @ SV75 )
        | ! [SY328: $i] :
            ( ~ ( ssList @ SY328 )
            | ! [SY329: $i] :
                ( ~ ( ssList @ SY329 )
                | ~ ~ ( ~ ( rearsegP @ SV75 @ SY328 )
                      | ~ ( rearsegP @ SY328 @ SY329 ) )
                | ( rearsegP @ SV75 @ SY329 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[359]) ).

thf(442,plain,
    ! [SV76: $i] :
      ( ( ~ ( ssList @ SV76 )
        | ! [SY330: $i] :
            ( ~ ( ssItem @ SY330 )
            | ( ssList @ ( cons @ SY330 @ SV76 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[360]) ).

thf(443,plain,
    ! [SV77: $i] :
      ( ( ~ ( ssItem @ SV77 )
        | ! [SY331: $i] :
            ( ~ ( ssItem @ SY331 )
            | ~ ( ~ ( ~ ( geq @ SV77 @ SY331 )
                    | ( leq @ SY331 @ SV77 ) )
                | ~ ( ~ ( leq @ SY331 @ SV77 )
                    | ( geq @ SV77 @ SY331 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[361]) ).

thf(444,plain,
    ! [SV78: $i] :
      ( ( ~ ( ssItem @ SV78 )
        | ! [SY332: $i] :
            ( ~ ( ssItem @ SY332 )
            | ~ ~ ( ~ ( geq @ SV78 @ SY332 )
                  | ~ ( geq @ SY332 @ SV78 ) )
            | ( SV78 = SY332 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[362]) ).

thf(445,plain,
    ! [SV79: $i] :
      ( ( ~ ( ssItem @ SV79 )
        | ! [SY333: $i] :
            ( ~ ( ssItem @ SY333 )
            | ! [SY334: $i] :
                ( ~ ( ssItem @ SY334 )
                | ~ ~ ( ~ ( leq @ SV79 @ SY333 )
                      | ~ ( leq @ SY333 @ SY334 ) )
                | ( leq @ SV79 @ SY334 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[363]) ).

thf(446,plain,
    ! [SV1: $i] :
      ( ( ( ~ ( ssList @ SV1 ) )
        = $true )
      | ( ( ! [SY201: $i] :
              ( ~ ( ssList @ SY201 )
              | ! [SY202: $i] :
                  ( ~ ( ssList @ SY202 )
                  | ~ ( rearsegP @ SV1 @ SY201 )
                  | ( rearsegP @ ( app @ SY202 @ SV1 ) @ SY201 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[365]) ).

thf(447,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( ssList @ SV2 ) )
        = $true )
      | ( ( ~ ( ( nil != SV2 ) )
          | ~ ! [SY203: $i] :
                ~ ~ ( ~ ( ssList @ SY203 )
                    | ( ( tl @ SV2 )
                     != SY203 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[366]) ).

thf(448,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( ssItem @ SV3 ) )
        = $true )
      | ( ( ! [SY204: $i] :
              ( ~ ( ssItem @ SY204 )
              | ! [SY205: $i] :
                  ( ~ ( ssList @ SY205 )
                  | ! [SY206: $i] :
                      ( ~ ( ssList @ SY206 )
                      | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SY205 ) @ ( cons @ SY204 @ SY206 ) )
                              | ~ ( ( SV3 != SY204 )
                                  | ~ ( frontsegP @ SY205 @ SY206 ) ) )
                          | ~ ( ~ ~ ( ( SV3 != SY204 )
                                    | ~ ( frontsegP @ SY205 @ SY206 ) )
                              | ( frontsegP @ ( cons @ SV3 @ SY205 ) @ ( cons @ SY204 @ SY206 ) ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[367]) ).

thf(449,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( ssList @ SV4 ) )
        = $true )
      | ( ( ! [SY207: $i] :
              ( ~ ( ssList @ SY207 )
              | ~ ( ~ ( ~ ( segmentP @ SV4 @ SY207 )
                      | ~ ! [SY208: $i] :
                            ~ ~ ( ~ ( ssList @ SY208 )
                                | ~ ~ ! [SY209: $i] :
                                        ~ ~ ( ~ ( ssList @ SY209 )
                                            | ( ( app @ ( app @ SY208 @ SY207 ) @ SY209 )
                                             != SV4 ) ) ) )
                  | ~ ( ~ ~ ! [SY210: $i] :
                              ~ ~ ( ~ ( ssList @ SY210 )
                                  | ~ ~ ! [SY211: $i] :
                                          ~ ~ ( ~ ( ssList @ SY211 )
                                              | ( ( app @ ( app @ SY210 @ SY207 ) @ SY211 )
                                               != SV4 ) ) )
                      | ( segmentP @ SV4 @ SY207 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[368]) ).

thf(450,plain,
    ! [SV5: $i] :
      ( ( ( ~ ( ssList @ SV5 ) )
        = $true )
      | ( ( ! [SY212: $i] :
              ( ~ ( ssList @ SY212 )
              | ! [SY213: $i] :
                  ( ~ ( ssList @ SY213 )
                  | ( ( app @ SY212 @ SY213 )
                   != ( app @ SY212 @ SV5 ) )
                  | ( SY213 = SV5 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[369]) ).

thf(451,plain,
    ( ( ~ ( ssList @ sK2_SX0 )
      | ! [SY335: $i] :
          ( ~ ( ssList @ SY335 )
          | ! [SY336: $i] :
              ( ~ ( ssList @ SY336 )
              | ( nil != sK2_SX0 )
              | ( sK2_SX0 != SY336 )
              | ( sK1_U != SY335 )
              | ( nil = sK1_U )
              | ! [SX3: $i] :
                  ( ~ ( ssList @ SX3 )
                  | ( ( app @ SY335 @ SX3 )
                   != SY336 )
                  | ~ ( totalorderedP @ SY335 )
                  | ~ ! [SX4: $i] :
                        ~ ~ ( ~ ( ssItem @ SX4 )
                            | ~ ~ ! [SX5: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( ssList @ SX5 )
                                              | ( ( app @ ( cons @ SX4 @ nil ) @ SX5 )
                                               != SX3 ) )
                                        | ~ ~ ! [SX6: $i] :
                                                ~ ~ ( ~ ( ssItem @ SX6 )
                                                    | ~ ~ ! [SX7: $i] :
                                                            ~ ~ ( ~ ~ ( ~ ( ssList @ SX7 )
                                                                      | ( ( app @ SX7 @ ( cons @ SX6 @ nil ) )
                                                                       != SY335 ) )
                                                                | ~ ( leq @ SX6 @ SX4 ) ) ) ) ) )
              | ~ ( ~ ( ( nil != SY336 ) )
                  | ( nil != SY335 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[370]) ).

thf(452,plain,
    ! [SV6: $i] :
      ( ( ( ~ ( ssItem @ SV6 ) )
        = $true )
      | ( ( equalelemsP @ ( cons @ SV6 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[371]) ).

thf(453,plain,
    ! [SV7: $i] :
      ( ( ( ~ ( ssList @ SV7 ) )
        = $true )
      | ( ( ! [SY214: $i] :
              ( ~ ( ssList @ SY214 )
              | ! [SY215: $i] :
                  ( ~ ( ssList @ SY215 )
                  | ( ( app @ ( app @ SV7 @ SY214 ) @ SY215 )
                    = ( app @ SV7 @ ( app @ SY214 @ SY215 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[372]) ).

thf(454,plain,
    ! [SV8: $i] :
      ( ( ( ~ ( ssItem @ SV8 ) )
        = $true )
      | ( ( ! [SY216: $i] :
              ( ~ ( ssList @ SY216 )
              | ~ ( ~ ( ~ ( totalorderedP @ ( cons @ SV8 @ SY216 ) )
                      | ( nil = SY216 )
                      | ~ ( ~ ~ ( ~ ( ( nil != SY216 ) )
                                | ~ ( totalorderedP @ SY216 ) )
                          | ~ ( leq @ SV8 @ ( hd @ SY216 ) ) ) )
                  | ~ ( ~ ( ( nil = SY216 )
                          | ~ ( ~ ~ ( ~ ( ( nil != SY216 ) )
                                    | ~ ( totalorderedP @ SY216 ) )
                              | ~ ( leq @ SV8 @ ( hd @ SY216 ) ) ) )
                      | ( totalorderedP @ ( cons @ SV8 @ SY216 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[373]) ).

thf(455,plain,
    ! [SV9: $i] :
      ( ( ( ~ ( ssItem @ SV9 ) )
        = $true )
      | ( ( ! [SY217: $i] :
              ( ~ ( ssItem @ SY217 )
              | ~ ( ~ ( ~ ( lt @ SV9 @ SY217 )
                      | ~ ( ~ ( ( SV9 != SY217 ) )
                          | ~ ( leq @ SV9 @ SY217 ) ) )
                  | ~ ( ~ ~ ( ~ ( ( SV9 != SY217 ) )
                            | ~ ( leq @ SV9 @ SY217 ) )
                      | ( lt @ SV9 @ SY217 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[374]) ).

thf(456,plain,
    ! [SV10: $i] :
      ( ( ( ~ ( ssItem @ SV10 ) )
        = $true )
      | ( ( ! [SY218: $i] :
              ( ~ ( ssItem @ SY218 )
              | ! [SY219: $i] :
                  ( ~ ( ssItem @ SY219 )
                  | ~ ~ ( ~ ( lt @ SV10 @ SY218 )
                        | ~ ( lt @ SY218 @ SY219 ) )
                  | ( lt @ SV10 @ SY219 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[375]) ).

thf(457,plain,
    ( ( ~ ~ ( ~ ( ssItem @ sK3_SX0 )
            | ~ ~ ! [SY342: $i] :
                    ~ ~ ( ~ ( ssItem @ SY342 )
                        | ~ ( ( sK3_SX0 != SY342 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[376]) ).

thf(458,plain,
    ! [SV11: $i] :
      ( ( ( ~ ( ssList @ SV11 ) )
        = $true )
      | ( ( ! [SY220: $i] :
              ( ~ ( ssList @ SY220 )
              | ~ ( ~ ( ( nil
                       != ( app @ SV11 @ SY220 ) )
                      | ~ ( ( nil != SY220 )
                          | ( nil != SV11 ) ) )
                  | ~ ( ~ ~ ( ( nil != SY220 )
                            | ( nil != SV11 ) )
                      | ( nil
                        = ( app @ SV11 @ SY220 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[377]) ).

thf(459,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( ssItem @ SV12 ) )
        = $true )
      | ( ( leq @ SV12 @ SV12 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[378]) ).

thf(460,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssList @ SV13 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( duplicatefreeP @ SV13 )
                  | ! [SY221: $i] :
                      ( ~ ( ssItem @ SY221 )
                      | ! [SY222: $i] :
                          ( ~ ( ssItem @ SY222 )
                          | ! [SY223: $i] :
                              ( ~ ( ssList @ SY223 )
                              | ! [SY224: $i] :
                                  ( ~ ( ssList @ SY224 )
                                  | ! [SY225: $i] :
                                      ( ~ ( ssList @ SY225 )
                                      | ( ( app @ ( app @ SY223 @ ( cons @ SY221 @ SY224 ) ) @ ( cons @ SY222 @ SY225 ) )
                                       != SV13 )
                                      | ( SY221 != SY222 ) ) ) ) ) ) )
              | ~ ( ~ ! [SY226: $i] :
                        ( ~ ( ssItem @ SY226 )
                        | ! [SY227: $i] :
                            ( ~ ( ssItem @ SY227 )
                            | ! [SY228: $i] :
                                ( ~ ( ssList @ SY228 )
                                | ! [SY229: $i] :
                                    ( ~ ( ssList @ SY229 )
                                    | ! [SY230: $i] :
                                        ( ~ ( ssList @ SY230 )
                                        | ( ( app @ ( app @ SY228 @ ( cons @ SY226 @ SY229 ) ) @ ( cons @ SY227 @ SY230 ) )
                                         != SV13 )
                                        | ( SY226 != SY227 ) ) ) ) ) )
                  | ( duplicatefreeP @ SV13 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[379]) ).

thf(461,plain,
    ! [SV14: $i] :
      ( ( ( ~ ( ssList @ SV14 ) )
        = $true )
      | ( ( ! [SY231: $i] :
              ( ~ ( ssItem @ SY231 )
              | ( ( tl @ ( cons @ SY231 @ SV14 ) )
                = SV14 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[380]) ).

thf(462,plain,
    ! [SV15: $i] :
      ( ( ( ~ ( ssList @ SV15 ) )
        = $true )
      | ( ( ! [SY232: $i] :
              ( ~ ( ssList @ SY232 )
              | ~ ( ~ ( ~ ( rearsegP @ SV15 @ SY232 )
                      | ~ ! [SY233: $i] :
                            ~ ~ ( ~ ( ssList @ SY233 )
                                | ( ( app @ SY233 @ SY232 )
                                 != SV15 ) ) )
                  | ~ ( ~ ~ ! [SY234: $i] :
                              ~ ~ ( ~ ( ssList @ SY234 )
                                  | ( ( app @ SY234 @ SY232 )
                                   != SV15 ) )
                      | ( rearsegP @ SV15 @ SY232 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[381]) ).

thf(463,plain,
    ! [SV16: $i] :
      ( ( ( ~ ( ssList @ SV16 ) )
        = $true )
      | ( ( ! [SY235: $i] :
              ( ~ ( ssList @ SY235 )
              | ~ ~ ( ~ ( rearsegP @ SV16 @ SY235 )
                    | ~ ( rearsegP @ SY235 @ SV16 ) )
              | ( SV16 = SY235 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[382]) ).

thf(464,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssList @ SV17 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( equalelemsP @ SV17 )
                  | ! [SY236: $i] :
                      ( ~ ( ssItem @ SY236 )
                      | ! [SY237: $i] :
                          ( ~ ( ssItem @ SY237 )
                          | ! [SY238: $i] :
                              ( ~ ( ssList @ SY238 )
                              | ! [SY239: $i] :
                                  ( ~ ( ssList @ SY239 )
                                  | ( ( app @ SY238 @ ( cons @ SY236 @ ( cons @ SY237 @ SY239 ) ) )
                                   != SV17 )
                                  | ( SY236 = SY237 ) ) ) ) ) )
              | ~ ( ~ ! [SY240: $i] :
                        ( ~ ( ssItem @ SY240 )
                        | ! [SY241: $i] :
                            ( ~ ( ssItem @ SY241 )
                            | ! [SY242: $i] :
                                ( ~ ( ssList @ SY242 )
                                | ! [SY243: $i] :
                                    ( ~ ( ssList @ SY243 )
                                    | ( ( app @ SY242 @ ( cons @ SY240 @ ( cons @ SY241 @ SY243 ) ) )
                                     != SV17 )
                                    | ( SY240 = SY241 ) ) ) ) )
                  | ( equalelemsP @ SV17 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[383]) ).

thf(465,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssList @ SV18 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( totalorderedP @ SV18 )
                  | ! [SY244: $i] :
                      ( ~ ( ssItem @ SY244 )
                      | ! [SY245: $i] :
                          ( ~ ( ssItem @ SY245 )
                          | ! [SY246: $i] :
                              ( ~ ( ssList @ SY246 )
                              | ! [SY247: $i] :
                                  ( ~ ( ssList @ SY247 )
                                  | ! [SY248: $i] :
                                      ( ~ ( ssList @ SY248 )
                                      | ( ( app @ ( app @ SY246 @ ( cons @ SY244 @ SY247 ) ) @ ( cons @ SY245 @ SY248 ) )
                                       != SV18 )
                                      | ( leq @ SY244 @ SY245 ) ) ) ) ) ) )
              | ~ ( ~ ! [SY249: $i] :
                        ( ~ ( ssItem @ SY249 )
                        | ! [SY250: $i] :
                            ( ~ ( ssItem @ SY250 )
                            | ! [SY251: $i] :
                                ( ~ ( ssList @ SY251 )
                                | ! [SY252: $i] :
                                    ( ~ ( ssList @ SY252 )
                                    | ! [SY253: $i] :
                                        ( ~ ( ssList @ SY253 )
                                        | ( ( app @ ( app @ SY251 @ ( cons @ SY249 @ SY252 ) ) @ ( cons @ SY250 @ SY253 ) )
                                         != SV18 )
                                        | ( leq @ SY249 @ SY250 ) ) ) ) ) )
                  | ( totalorderedP @ SV18 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[384]) ).

thf(466,plain,
    ! [SV19: $i] :
      ( ( ( ~ ( ssList @ SV19 ) )
        = $true )
      | ( ( ! [SY254: $i] :
              ( ~ ( ssItem @ SY254 )
              | ( ( cons @ SY254 @ SV19 )
                = ( app @ ( cons @ SY254 @ nil ) @ SV19 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[385]) ).

thf(467,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssList @ SV20 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( totalorderP @ SV20 )
                  | ! [SY255: $i] :
                      ( ~ ( ssItem @ SY255 )
                      | ! [SY256: $i] :
                          ( ~ ( ssItem @ SY256 )
                          | ! [SY257: $i] :
                              ( ~ ( ssList @ SY257 )
                              | ! [SY258: $i] :
                                  ( ~ ( ssList @ SY258 )
                                  | ! [SY259: $i] :
                                      ( ~ ( ssList @ SY259 )
                                      | ( ( app @ ( app @ SY257 @ ( cons @ SY255 @ SY258 ) ) @ ( cons @ SY256 @ SY259 ) )
                                       != SV20 )
                                      | ( leq @ SY255 @ SY256 )
                                      | ( leq @ SY256 @ SY255 ) ) ) ) ) ) )
              | ~ ( ~ ! [SY260: $i] :
                        ( ~ ( ssItem @ SY260 )
                        | ! [SY261: $i] :
                            ( ~ ( ssItem @ SY261 )
                            | ! [SY262: $i] :
                                ( ~ ( ssList @ SY262 )
                                | ! [SY263: $i] :
                                    ( ~ ( ssList @ SY263 )
                                    | ! [SY264: $i] :
                                        ( ~ ( ssList @ SY264 )
                                        | ( ( app @ ( app @ SY262 @ ( cons @ SY260 @ SY263 ) ) @ ( cons @ SY261 @ SY264 ) )
                                         != SV20 )
                                        | ( leq @ SY260 @ SY261 )
                                        | ( leq @ SY261 @ SY260 ) ) ) ) ) )
                  | ( totalorderP @ SV20 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[386]) ).

thf(468,plain,
    ! [SV21: $i] :
      ( ( ( ~ ( ssList @ SV21 ) )
        = $true )
      | ( ( ! [SY265: $i] :
              ( ~ ( ssItem @ SY265 )
              | ( ( cons @ SY265 @ SV21 )
               != SV21 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[387]) ).

thf(469,plain,
    ! [SV22: $i] :
      ( ( ( ~ ( ssList @ SV22 ) )
        = $true )
      | ( ( frontsegP @ SV22 @ nil )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[388]) ).

thf(470,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( ssItem @ SV23 ) )
        = $true )
      | ( ( geq @ SV23 @ SV23 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[389]) ).

thf(471,plain,
    ! [SV24: $i] :
      ( ( ( ~ ( ssList @ SV24 ) )
        = $true )
      | ( ( ! [SY266: $i] :
              ( ~ ( ssItem @ SY266 )
              | ~ ( ~ ( ~ ( memberP @ SV24 @ SY266 )
                      | ~ ! [SY267: $i] :
                            ~ ~ ( ~ ( ssList @ SY267 )
                                | ~ ~ ! [SY268: $i] :
                                        ~ ~ ( ~ ( ssList @ SY268 )
                                            | ( ( app @ SY267 @ ( cons @ SY266 @ SY268 ) )
                                             != SV24 ) ) ) )
                  | ~ ( ~ ~ ! [SY269: $i] :
                              ~ ~ ( ~ ( ssList @ SY269 )
                                  | ~ ~ ! [SY270: $i] :
                                          ~ ~ ( ~ ( ssList @ SY270 )
                                              | ( ( app @ SY269 @ ( cons @ SY266 @ SY270 ) )
                                               != SV24 ) ) )
                      | ( memberP @ SV24 @ SY266 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[390]) ).

thf(472,plain,
    ! [SV25: $i] :
      ( ( ( ~ ( ssList @ SV25 ) )
        = $true )
      | ( ( segmentP @ SV25 @ SV25 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[391]) ).

thf(473,plain,
    ! [SV26: $i] :
      ( ( ( ~ ( ssList @ SV26 ) )
        = $true )
      | ( ( ! [SY271: $i] :
              ( ~ ( ssList @ SY271 )
              | ! [SY272: $i] :
                  ( ~ ( ssList @ SY272 )
                  | ! [SY273: $i] :
                      ( ~ ( ssList @ SY273 )
                      | ~ ( segmentP @ SV26 @ SY271 )
                      | ( segmentP @ ( app @ ( app @ SY272 @ SV26 ) @ SY273 ) @ SY271 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[392]) ).

thf(474,plain,
    ! [SV27: $i] :
      ( ( ( ~ ( ssList @ SV27 ) )
        = $true )
      | ( ( ! [SY274: $i] :
              ( ~ ( ssList @ SY274 )
              | ! [SY275: $i] :
                  ( ~ ( ssItem @ SY275 )
                  | ! [SY276: $i] :
                      ( ~ ( ssItem @ SY276 )
                      | ( ( cons @ SY275 @ SV27 )
                       != ( cons @ SY276 @ SY274 ) )
                      | ~ ( ( SY275 != SY276 )
                          | ( SY274 != SV27 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[393]) ).

thf(475,plain,
    ! [SV28: $i] :
      ( ( ( ~ ( ssList @ SV28 ) )
        = $true )
      | ( ( ( app @ SV28 @ nil )
          = SV28 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[394]) ).

thf(476,plain,
    ! [SV29: $i] :
      ( ( ( ~ ( ssList @ SV29 ) )
        = $true )
      | ( ( ! [SY277: $i] :
              ( ~ ( ssList @ SY277 )
              | ! [SY278: $i] :
                  ( ~ ( ssList @ SY278 )
                  | ~ ~ ( ~ ( frontsegP @ SV29 @ SY277 )
                        | ~ ( frontsegP @ SY277 @ SY278 ) )
                  | ( frontsegP @ SV29 @ SY278 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[395]) ).

thf(477,plain,
    ! [SV30: $i] :
      ( ( ( ~ ( ssList @ SV30 ) )
        = $true )
      | ( ( ! [SY279: $i] :
              ( ~ ( ssList @ SY279 )
              | ~ ( ( nil != SV30 ) )
              | ( ( tl @ ( app @ SV30 @ SY279 ) )
                = ( app @ ( tl @ SV30 ) @ SY279 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[396]) ).

thf(478,plain,
    ! [SV31: $i] :
      ( ( ( ~ ( ssItem @ SV31 ) )
        = $true )
      | ( ( ! [SY280: $i] :
              ( ~ ( ssItem @ SY280 )
              | ~ ( ~ ( ~ ( neq @ SV31 @ SY280 )
                      | ( SV31 != SY280 ) )
                  | ~ ( ~ ( ( SV31 != SY280 ) )
                      | ( neq @ SV31 @ SY280 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[397]) ).

thf(479,plain,
    ! [SV32: $i] :
      ( ( ( ~ ( ssItem @ SV32 ) )
        = $true )
      | ( ( ! [SY281: $i] :
              ( ~ ( ssItem @ SY281 )
              | ! [SY282: $i] :
                  ( ~ ( ssList @ SY282 )
                  | ~ ( ~ ( ~ ( memberP @ ( cons @ SY281 @ SY282 ) @ SV32 )
                          | ( SV32 = SY281 )
                          | ( memberP @ SY282 @ SV32 ) )
                      | ~ ( ~ ( ( SV32 = SY281 )
                              | ( memberP @ SY282 @ SV32 ) )
                          | ( memberP @ ( cons @ SY281 @ SY282 ) @ SV32 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[398]) ).

thf(480,plain,
    ! [SV33: $i] :
      ( ( ( ~ ( ssList @ SV33 ) )
        = $true )
      | ( ( ~ ( ( nil != SV33 ) )
          | ( ssList @ ( tl @ SV33 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[399]) ).

thf(481,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( ssList @ SV34 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( singletonP @ SV34 )
                  | ~ ! [SY283: $i] :
                        ~ ~ ( ~ ( ssItem @ SY283 )
                            | ( ( cons @ SY283 @ nil )
                             != SV34 ) ) )
              | ~ ( ~ ~ ! [SY284: $i] :
                          ~ ~ ( ~ ( ssItem @ SY284 )
                              | ( ( cons @ SY284 @ nil )
                               != SV34 ) )
                  | ( singletonP @ SV34 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[400]) ).

thf(482,plain,
    ! [SV35: $i] :
      ( ( ( ~ ( ssList @ SV35 ) )
        = $true )
      | ( ( ! [SY285: $i] :
              ( ~ ( ssList @ SY285 )
              | ~ ( ~ ( ~ ( neq @ SV35 @ SY285 )
                      | ( SV35 != SY285 ) )
                  | ~ ( ~ ( ( SV35 != SY285 ) )
                      | ( neq @ SV35 @ SY285 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[401]) ).

thf(483,plain,
    ! [SV36: $i] :
      ( ( ( ~ ( ssList @ SV36 ) )
        = $true )
      | ( ( ! [SY286: $i] :
              ( ~ ( ssList @ SY286 )
              | ! [SY287: $i] :
                  ( ~ ( ssItem @ SY287 )
                  | ( ( cons @ SY287 @ ( app @ SY286 @ SV36 ) )
                    = ( app @ ( cons @ SY287 @ SY286 ) @ SV36 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[402]) ).

thf(484,plain,
    ! [SV37: $i] :
      ( ( ( ~ ( ssItem @ SV37 ) )
        = $true )
      | ( ( ~ ( lt @ SV37 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[403]) ).

thf(485,plain,
    ! [SV38: $i] :
      ( ( ( ~ ( ssItem @ SV38 ) )
        = $true )
      | ( ( duplicatefreeP @ ( cons @ SV38 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[404]) ).

thf(486,plain,
    ! [SV39: $i] :
      ( ( ( ~ ( ssList @ SV39 ) )
        = $true )
      | ( ( rearsegP @ SV39 @ nil )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[405]) ).

thf(487,plain,
    ! [SV40: $i] :
      ( ( ( ~ ( ssList @ SV40 ) )
        = $true )
      | ( ( ! [SY288: $i] :
              ( ~ ( ssList @ SY288 )
              | ~ ~ ( ~ ( frontsegP @ SV40 @ SY288 )
                    | ~ ( frontsegP @ SY288 @ SV40 ) )
              | ( SV40 = SY288 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[406]) ).

thf(488,plain,
    ! [SV41: $i] :
      ( ( ( ~ ( ssItem @ SV41 ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV41 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[407]) ).

thf(489,plain,
    ! [SV42: $i] :
      ( ( ( ~ ( ssList @ SV42 ) )
        = $true )
      | ( ( frontsegP @ SV42 @ SV42 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[408]) ).

thf(490,plain,
    ! [SV43: $i] :
      ( ( ( ~ ( ssItem @ SV43 ) )
        = $true )
      | ( ( ! [SY289: $i] :
              ( ~ ( ssItem @ SY289 )
              | ~ ~ ( ~ ( leq @ SV43 @ SY289 )
                    | ~ ( leq @ SY289 @ SV43 ) )
              | ( SV43 = SY289 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[409]) ).

thf(491,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( ssList @ SV44 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( rearsegP @ nil @ SV44 )
                  | ( nil = SV44 ) )
              | ~ ( ( nil != SV44 )
                  | ( rearsegP @ nil @ SV44 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[410]) ).

thf(492,plain,
    ! [SV45: $i] :
      ( ( ( ~ ( ssList @ SV45 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ nil @ SV45 )
                  | ( nil = SV45 ) )
              | ~ ( ( nil != SV45 )
                  | ( frontsegP @ nil @ SV45 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[411]) ).

thf(493,plain,
    ! [SV46: $i] :
      ( ( ( ~ ( ssItem @ SV46 ) )
        = $true )
      | ( ( strictorderedP @ ( cons @ SV46 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[412]) ).

thf(494,plain,
    ! [SV47: $i] :
      ( ( ( ~ ( ssList @ SV47 ) )
        = $true )
      | ( ( ! [SY290: $i] :
              ( ~ ( ssList @ SY290 )
              | ~ ( ~ ( ~ ( frontsegP @ SV47 @ SY290 )
                      | ~ ! [SY291: $i] :
                            ~ ~ ( ~ ( ssList @ SY291 )
                                | ( ( app @ SY290 @ SY291 )
                                 != SV47 ) ) )
                  | ~ ( ~ ~ ! [SY292: $i] :
                              ~ ~ ( ~ ( ssList @ SY292 )
                                  | ( ( app @ SY290 @ SY292 )
                                   != SV47 ) )
                      | ( frontsegP @ SV47 @ SY290 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[413]) ).

thf(495,plain,
    ! [SV48: $i] :
      ( ( ( ~ ( ssList @ SV48 ) )
        = $true )
      | ( ( ! [SY293: $i] :
              ( ~ ( ssItem @ SY293 )
              | ( nil
               != ( cons @ SY293 @ SV48 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[414]) ).

thf(496,plain,
    ! [SV49: $i] :
      ( ( ( ~ ( ssItem @ SV49 ) )
        = $true )
      | ( ( totalorderP @ ( cons @ SV49 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[415]) ).

thf(497,plain,
    ! [SV50: $i] :
      ( ( ( ~ ( ssList @ SV50 ) )
        = $true )
      | ( ( segmentP @ SV50 @ nil )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[416]) ).

thf(498,plain,
    ! [SV51: $i] :
      ( ( ( ~ ( ssItem @ SV51 ) )
        = $true )
      | ( ( ! [SY294: $i] :
              ( ~ ( ssItem @ SY294 )
              | ! [SY295: $i] :
                  ( ~ ( ssItem @ SY295 )
                  | ~ ~ ( ~ ( geq @ SV51 @ SY294 )
                        | ~ ( geq @ SY294 @ SY295 ) )
                  | ( geq @ SV51 @ SY295 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[417]) ).

thf(499,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( ssList @ SV52 ) )
        = $true )
      | ( ( ( nil = SV52 )
          | ~ ! [SY296: $i] :
                ~ ~ ( ~ ( ssList @ SY296 )
                    | ~ ~ ! [SY297: $i] :
                            ~ ~ ( ~ ( ssItem @ SY297 )
                                | ( ( cons @ SY297 @ SY296 )
                                 != SV52 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[418]) ).

thf(500,plain,
    ! [SV53: $i] :
      ( ( ( ~ ( ssList @ SV53 ) )
        = $true )
      | ( ( ! [SY298: $i] :
              ( ~ ( ssList @ SY298 )
              | ~ ( ( nil != SV53 ) )
              | ( ( hd @ ( app @ SV53 @ SY298 ) )
                = ( hd @ SV53 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[419]) ).

thf(501,plain,
    ! [SV54: $i] :
      ( ( ( ~ ( ssList @ SV54 ) )
        = $true )
      | ( ( ( app @ nil @ SV54 )
          = SV54 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[420]) ).

thf(502,plain,
    ! [SV55: $i] :
      ( ( ( ~ ( ssItem @ SV55 ) )
        = $true )
      | ( ( ! [SY299: $i] :
              ( ~ ( ssItem @ SY299 )
              | ~ ( leq @ SV55 @ SY299 )
              | ( SV55 = SY299 )
              | ( lt @ SV55 @ SY299 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[421]) ).

thf(503,plain,
    ! [SV56: $i] :
      ( ( ( ~ ( ssItem @ SV56 ) )
        = $true )
      | ( ( ! [SY300: $i] :
              ( ~ ( ssList @ SY300 )
              | ! [SY301: $i] :
                  ( ~ ( ssList @ SY301 )
                  | ~ ( ~ ( ~ ( memberP @ ( app @ SY300 @ SY301 ) @ SV56 )
                          | ( memberP @ SY300 @ SV56 )
                          | ( memberP @ SY301 @ SV56 ) )
                      | ~ ( ~ ( ( memberP @ SY300 @ SV56 )
                              | ( memberP @ SY301 @ SV56 ) )
                          | ( memberP @ ( app @ SY300 @ SY301 ) @ SV56 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[422]) ).

thf(504,plain,
    ! [SV57: $i] :
      ( ( ( ~ ( ssItem @ SV57 ) )
        = $true )
      | ( ( ! [SY302: $i] :
              ( ~ ( ssItem @ SY302 )
              | ! [SY303: $i] :
                  ( ~ ( ssItem @ SY303 )
                  | ~ ~ ( ~ ( leq @ SV57 @ SY302 )
                        | ~ ( lt @ SY302 @ SY303 ) )
                  | ( lt @ SV57 @ SY303 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[423]) ).

thf(505,plain,
    ! [SV58: $i] :
      ( ( ( ~ ( ssItem @ SV58 ) )
        = $true )
      | ( ( ! [SY304: $i] :
              ( ~ ( ssItem @ SY304 )
              | ! [SY305: $i] :
                  ( ~ ( ssItem @ SY305 )
                  | ~ ~ ( ~ ( gt @ SV58 @ SY304 )
                        | ~ ( gt @ SY304 @ SY305 ) )
                  | ( gt @ SV58 @ SY305 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[424]) ).

thf(506,plain,
    ! [SV59: $i] :
      ( ( ( ~ ( ssItem @ SV59 ) )
        = $true )
      | ( ( ! [SY306: $i] :
              ( ~ ( ssItem @ SY306 )
              | ~ ( lt @ SV59 @ SY306 )
              | ~ ( lt @ SY306 @ SV59 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[425]) ).

thf(507,plain,
    ! [SV60: $i] :
      ( ( ( ~ ( ssList @ SV60 ) )
        = $true )
      | ( ( ! [SY307: $i] :
              ( ~ ( ssList @ SY307 )
              | ( ssList @ ( app @ SV60 @ SY307 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[426]) ).

thf(508,plain,
    ! [SV61: $i] :
      ( ( ( ~ ( ssItem @ SV61 ) )
        = $true )
      | ( ( strictorderP @ ( cons @ SV61 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[427]) ).

thf(509,plain,
    ! [SV62: $i] :
      ( ( ( ~ ( ssList @ SV62 ) )
        = $true )
      | ( ( ! [SY308: $i] :
              ( ~ ( ssList @ SY308 )
              | ! [SY309: $i] :
                  ( ~ ( ssList @ SY309 )
                  | ~ ~ ( ~ ( segmentP @ SV62 @ SY308 )
                        | ~ ( segmentP @ SY308 @ SY309 ) )
                  | ( segmentP @ SV62 @ SY309 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[428]) ).

thf(510,plain,
    ! [SV63: $i] :
      ( ( ( ~ ( ssList @ SV63 ) )
        = $true )
      | ( ( ! [SY310: $i] :
              ( ~ ( ssItem @ SY310 )
              | ( ( hd @ ( cons @ SY310 @ SV63 ) )
                = SY310 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[429]) ).

thf(511,plain,
    ! [SV64: $i] :
      ( ( ( ~ ( ssList @ SV64 ) )
        = $true )
      | ( ( ~ ( ( nil != SV64 ) )
          | ~ ! [SY311: $i] :
                ~ ~ ( ~ ( ssItem @ SY311 )
                    | ( ( hd @ SV64 )
                     != SY311 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[430]) ).

thf(512,plain,
    ! [SV65: $i] :
      ( ( ( ~ ( ssList @ SV65 ) )
        = $true )
      | ( ( ! [SY312: $i] :
              ( ~ ( ssList @ SY312 )
              | ! [SY313: $i] :
                  ( ~ ( ssList @ SY313 )
                  | ( ( app @ SY313 @ SY312 )
                   != ( app @ SV65 @ SY312 ) )
                  | ( SY313 = SV65 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[431]) ).

thf(513,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssList @ SV66 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( cyclefreeP @ SV66 )
                  | ! [SY314: $i] :
                      ( ~ ( ssItem @ SY314 )
                      | ! [SY315: $i] :
                          ( ~ ( ssItem @ SY315 )
                          | ! [SY316: $i] :
                              ( ~ ( ssList @ SY316 )
                              | ! [SY317: $i] :
                                  ( ~ ( ssList @ SY317 )
                                  | ! [SY318: $i] :
                                      ( ~ ( ssList @ SY318 )
                                      | ( ( app @ ( app @ SY316 @ ( cons @ SY314 @ SY317 ) ) @ ( cons @ SY315 @ SY318 ) )
                                       != SV66 )
                                      | ~ ~ ( ~ ( leq @ SY314 @ SY315 )
                                            | ~ ( leq @ SY315 @ SY314 ) ) ) ) ) ) ) )
              | ~ ( ~ ! [SY319: $i] :
                        ( ~ ( ssItem @ SY319 )
                        | ! [SY320: $i] :
                            ( ~ ( ssItem @ SY320 )
                            | ! [SY321: $i] :
                                ( ~ ( ssList @ SY321 )
                                | ! [SY322: $i] :
                                    ( ~ ( ssList @ SY322 )
                                    | ! [SY323: $i] :
                                        ( ~ ( ssList @ SY323 )
                                        | ( ( app @ ( app @ SY321 @ ( cons @ SY319 @ SY322 ) ) @ ( cons @ SY320 @ SY323 ) )
                                         != SV66 )
                                        | ~ ~ ( ~ ( leq @ SY319 @ SY320 )
                                              | ~ ( leq @ SY320 @ SY319 ) ) ) ) ) ) )
                  | ( cyclefreeP @ SV66 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[432]) ).

thf(514,plain,
    ! [SV67: $i] :
      ( ( ( ~ ( ssItem @ SV67 ) )
        = $true )
      | ( ( ~ ( memberP @ nil @ SV67 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[433]) ).

thf(515,plain,
    ! [SV68: $i] :
      ( ( ( ~ ( ssList @ SV68 ) )
        = $true )
      | ( ( ~ ( ( nil != SV68 ) )
          | ( ssItem @ ( hd @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[434]) ).

thf(516,plain,
    ! [SV69: $i] :
      ( ( ( ~ ( ssItem @ SV69 ) )
        = $true )
      | ( ( ! [SY324: $i] :
              ( ~ ( ssItem @ SY324 )
              | ~ ( gt @ SV69 @ SY324 )
              | ~ ( gt @ SY324 @ SV69 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[435]) ).

thf(517,plain,
    ! [SV70: $i] :
      ( ( ( ~ ( ssItem @ SV70 ) )
        = $true )
      | ( ( cyclefreeP @ ( cons @ SV70 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[436]) ).

thf(518,plain,
    ! [SV71: $i] :
      ( ( ( ~ ( ssList @ SV71 ) )
        = $true )
      | ( ( rearsegP @ SV71 @ SV71 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[437]) ).

thf(519,plain,
    ! [SV72: $i] :
      ( ( ( ~ ( ssList @ SV72 ) )
        = $true )
      | ( ( ! [SY325: $i] :
              ( ~ ( ssList @ SY325 )
              | ! [SY326: $i] :
                  ( ~ ( ssList @ SY326 )
                  | ~ ( frontsegP @ SV72 @ SY325 )
                  | ( frontsegP @ ( app @ SV72 @ SY326 ) @ SY325 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[438]) ).

thf(520,plain,
    ! [SV73: $i] :
      ( ( ( ~ ( ssList @ SV73 ) )
        = $true )
      | ( ( ! [SY327: $i] :
              ( ~ ( ssList @ SY327 )
              | ~ ~ ( ~ ( segmentP @ SV73 @ SY327 )
                    | ~ ( segmentP @ SY327 @ SV73 ) )
              | ( SV73 = SY327 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[439]) ).

thf(521,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( ssList @ SV74 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( segmentP @ nil @ SV74 )
                  | ( nil = SV74 ) )
              | ~ ( ( nil != SV74 )
                  | ( segmentP @ nil @ SV74 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[440]) ).

thf(522,plain,
    ! [SV75: $i] :
      ( ( ( ~ ( ssList @ SV75 ) )
        = $true )
      | ( ( ! [SY328: $i] :
              ( ~ ( ssList @ SY328 )
              | ! [SY329: $i] :
                  ( ~ ( ssList @ SY329 )
                  | ~ ~ ( ~ ( rearsegP @ SV75 @ SY328 )
                        | ~ ( rearsegP @ SY328 @ SY329 ) )
                  | ( rearsegP @ SV75 @ SY329 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[441]) ).

thf(523,plain,
    ! [SV76: $i] :
      ( ( ( ~ ( ssList @ SV76 ) )
        = $true )
      | ( ( ! [SY330: $i] :
              ( ~ ( ssItem @ SY330 )
              | ( ssList @ ( cons @ SY330 @ SV76 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[442]) ).

thf(524,plain,
    ! [SV77: $i] :
      ( ( ( ~ ( ssItem @ SV77 ) )
        = $true )
      | ( ( ! [SY331: $i] :
              ( ~ ( ssItem @ SY331 )
              | ~ ( ~ ( ~ ( geq @ SV77 @ SY331 )
                      | ( leq @ SY331 @ SV77 ) )
                  | ~ ( ~ ( leq @ SY331 @ SV77 )
                      | ( geq @ SV77 @ SY331 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[443]) ).

thf(525,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( ssItem @ SV78 ) )
        = $true )
      | ( ( ! [SY332: $i] :
              ( ~ ( ssItem @ SY332 )
              | ~ ~ ( ~ ( geq @ SV78 @ SY332 )
                    | ~ ( geq @ SY332 @ SV78 ) )
              | ( SV78 = SY332 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[444]) ).

thf(526,plain,
    ! [SV79: $i] :
      ( ( ( ~ ( ssItem @ SV79 ) )
        = $true )
      | ( ( ! [SY333: $i] :
              ( ~ ( ssItem @ SY333 )
              | ! [SY334: $i] :
                  ( ~ ( ssItem @ SY334 )
                  | ~ ~ ( ~ ( leq @ SV79 @ SY333 )
                        | ~ ( leq @ SY333 @ SY334 ) )
                  | ( leq @ SV79 @ SY334 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[445]) ).

thf(527,plain,
    ! [SV1: $i] :
      ( ( ( ssList @ SV1 )
        = $false )
      | ( ( ! [SY201: $i] :
              ( ~ ( ssList @ SY201 )
              | ! [SY202: $i] :
                  ( ~ ( ssList @ SY202 )
                  | ~ ( rearsegP @ SV1 @ SY201 )
                  | ( rearsegP @ ( app @ SY202 @ SV1 ) @ SY201 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[446]) ).

thf(528,plain,
    ! [SV2: $i] :
      ( ( ( ssList @ SV2 )
        = $false )
      | ( ( ~ ( ( nil != SV2 ) )
          | ~ ! [SY203: $i] :
                ~ ~ ( ~ ( ssList @ SY203 )
                    | ( ( tl @ SV2 )
                     != SY203 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[447]) ).

thf(529,plain,
    ! [SV3: $i] :
      ( ( ( ssItem @ SV3 )
        = $false )
      | ( ( ! [SY204: $i] :
              ( ~ ( ssItem @ SY204 )
              | ! [SY205: $i] :
                  ( ~ ( ssList @ SY205 )
                  | ! [SY206: $i] :
                      ( ~ ( ssList @ SY206 )
                      | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SY205 ) @ ( cons @ SY204 @ SY206 ) )
                              | ~ ( ( SV3 != SY204 )
                                  | ~ ( frontsegP @ SY205 @ SY206 ) ) )
                          | ~ ( ~ ~ ( ( SV3 != SY204 )
                                    | ~ ( frontsegP @ SY205 @ SY206 ) )
                              | ( frontsegP @ ( cons @ SV3 @ SY205 ) @ ( cons @ SY204 @ SY206 ) ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[448]) ).

thf(530,plain,
    ! [SV4: $i] :
      ( ( ( ssList @ SV4 )
        = $false )
      | ( ( ! [SY207: $i] :
              ( ~ ( ssList @ SY207 )
              | ~ ( ~ ( ~ ( segmentP @ SV4 @ SY207 )
                      | ~ ! [SY208: $i] :
                            ~ ~ ( ~ ( ssList @ SY208 )
                                | ~ ~ ! [SY209: $i] :
                                        ~ ~ ( ~ ( ssList @ SY209 )
                                            | ( ( app @ ( app @ SY208 @ SY207 ) @ SY209 )
                                             != SV4 ) ) ) )
                  | ~ ( ~ ~ ! [SY210: $i] :
                              ~ ~ ( ~ ( ssList @ SY210 )
                                  | ~ ~ ! [SY211: $i] :
                                          ~ ~ ( ~ ( ssList @ SY211 )
                                              | ( ( app @ ( app @ SY210 @ SY207 ) @ SY211 )
                                               != SV4 ) ) )
                      | ( segmentP @ SV4 @ SY207 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[449]) ).

thf(531,plain,
    ! [SV5: $i] :
      ( ( ( ssList @ SV5 )
        = $false )
      | ( ( ! [SY212: $i] :
              ( ~ ( ssList @ SY212 )
              | ! [SY213: $i] :
                  ( ~ ( ssList @ SY213 )
                  | ( ( app @ SY212 @ SY213 )
                   != ( app @ SY212 @ SV5 ) )
                  | ( SY213 = SV5 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[450]) ).

thf(532,plain,
    ( ( ~ ( ssList @ sK2_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[451]) ).

thf(533,plain,
    ( ( ! [SY335: $i] :
          ( ~ ( ssList @ SY335 )
          | ! [SY336: $i] :
              ( ~ ( ssList @ SY336 )
              | ( nil != sK2_SX0 )
              | ( sK2_SX0 != SY336 )
              | ( sK1_U != SY335 )
              | ( nil = sK1_U )
              | ! [SX3: $i] :
                  ( ~ ( ssList @ SX3 )
                  | ( ( app @ SY335 @ SX3 )
                   != SY336 )
                  | ~ ( totalorderedP @ SY335 )
                  | ~ ! [SX4: $i] :
                        ~ ~ ( ~ ( ssItem @ SX4 )
                            | ~ ~ ! [SX5: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( ssList @ SX5 )
                                              | ( ( app @ ( cons @ SX4 @ nil ) @ SX5 )
                                               != SX3 ) )
                                        | ~ ~ ! [SX6: $i] :
                                                ~ ~ ( ~ ( ssItem @ SX6 )
                                                    | ~ ~ ! [SX7: $i] :
                                                            ~ ~ ( ~ ~ ( ~ ( ssList @ SX7 )
                                                                      | ( ( app @ SX7 @ ( cons @ SX6 @ nil ) )
                                                                       != SY335 ) )
                                                                | ~ ( leq @ SX6 @ SX4 ) ) ) ) ) )
              | ~ ( ~ ( ( nil != SY336 ) )
                  | ( nil != SY335 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[451]) ).

thf(534,plain,
    ! [SV6: $i] :
      ( ( ( ssItem @ SV6 )
        = $false )
      | ( ( equalelemsP @ ( cons @ SV6 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[452]) ).

thf(535,plain,
    ! [SV7: $i] :
      ( ( ( ssList @ SV7 )
        = $false )
      | ( ( ! [SY214: $i] :
              ( ~ ( ssList @ SY214 )
              | ! [SY215: $i] :
                  ( ~ ( ssList @ SY215 )
                  | ( ( app @ ( app @ SV7 @ SY214 ) @ SY215 )
                    = ( app @ SV7 @ ( app @ SY214 @ SY215 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[453]) ).

thf(536,plain,
    ! [SV8: $i] :
      ( ( ( ssItem @ SV8 )
        = $false )
      | ( ( ! [SY216: $i] :
              ( ~ ( ssList @ SY216 )
              | ~ ( ~ ( ~ ( totalorderedP @ ( cons @ SV8 @ SY216 ) )
                      | ( nil = SY216 )
                      | ~ ( ~ ~ ( ~ ( ( nil != SY216 ) )
                                | ~ ( totalorderedP @ SY216 ) )
                          | ~ ( leq @ SV8 @ ( hd @ SY216 ) ) ) )
                  | ~ ( ~ ( ( nil = SY216 )
                          | ~ ( ~ ~ ( ~ ( ( nil != SY216 ) )
                                    | ~ ( totalorderedP @ SY216 ) )
                              | ~ ( leq @ SV8 @ ( hd @ SY216 ) ) ) )
                      | ( totalorderedP @ ( cons @ SV8 @ SY216 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[454]) ).

thf(537,plain,
    ! [SV9: $i] :
      ( ( ( ssItem @ SV9 )
        = $false )
      | ( ( ! [SY217: $i] :
              ( ~ ( ssItem @ SY217 )
              | ~ ( ~ ( ~ ( lt @ SV9 @ SY217 )
                      | ~ ( ~ ( ( SV9 != SY217 ) )
                          | ~ ( leq @ SV9 @ SY217 ) ) )
                  | ~ ( ~ ~ ( ~ ( ( SV9 != SY217 ) )
                            | ~ ( leq @ SV9 @ SY217 ) )
                      | ( lt @ SV9 @ SY217 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[455]) ).

thf(538,plain,
    ! [SV10: $i] :
      ( ( ( ssItem @ SV10 )
        = $false )
      | ( ( ! [SY218: $i] :
              ( ~ ( ssItem @ SY218 )
              | ! [SY219: $i] :
                  ( ~ ( ssItem @ SY219 )
                  | ~ ~ ( ~ ( lt @ SV10 @ SY218 )
                        | ~ ( lt @ SY218 @ SY219 ) )
                  | ( lt @ SV10 @ SY219 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[456]) ).

thf(539,plain,
    ( ( ~ ( ~ ( ssItem @ sK3_SX0 )
          | ~ ~ ! [SY342: $i] :
                  ~ ~ ( ~ ( ssItem @ SY342 )
                      | ~ ( ( sK3_SX0 != SY342 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[457]) ).

thf(540,plain,
    ! [SV11: $i] :
      ( ( ( ssList @ SV11 )
        = $false )
      | ( ( ! [SY220: $i] :
              ( ~ ( ssList @ SY220 )
              | ~ ( ~ ( ( nil
                       != ( app @ SV11 @ SY220 ) )
                      | ~ ( ( nil != SY220 )
                          | ( nil != SV11 ) ) )
                  | ~ ( ~ ~ ( ( nil != SY220 )
                            | ( nil != SV11 ) )
                      | ( nil
                        = ( app @ SV11 @ SY220 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[458]) ).

thf(541,plain,
    ! [SV12: $i] :
      ( ( ( ssItem @ SV12 )
        = $false )
      | ( ( leq @ SV12 @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[459]) ).

thf(542,plain,
    ! [SV13: $i] :
      ( ( ( ssList @ SV13 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( duplicatefreeP @ SV13 )
                  | ! [SY221: $i] :
                      ( ~ ( ssItem @ SY221 )
                      | ! [SY222: $i] :
                          ( ~ ( ssItem @ SY222 )
                          | ! [SY223: $i] :
                              ( ~ ( ssList @ SY223 )
                              | ! [SY224: $i] :
                                  ( ~ ( ssList @ SY224 )
                                  | ! [SY225: $i] :
                                      ( ~ ( ssList @ SY225 )
                                      | ( ( app @ ( app @ SY223 @ ( cons @ SY221 @ SY224 ) ) @ ( cons @ SY222 @ SY225 ) )
                                       != SV13 )
                                      | ( SY221 != SY222 ) ) ) ) ) ) )
              | ~ ( ~ ! [SY226: $i] :
                        ( ~ ( ssItem @ SY226 )
                        | ! [SY227: $i] :
                            ( ~ ( ssItem @ SY227 )
                            | ! [SY228: $i] :
                                ( ~ ( ssList @ SY228 )
                                | ! [SY229: $i] :
                                    ( ~ ( ssList @ SY229 )
                                    | ! [SY230: $i] :
                                        ( ~ ( ssList @ SY230 )
                                        | ( ( app @ ( app @ SY228 @ ( cons @ SY226 @ SY229 ) ) @ ( cons @ SY227 @ SY230 ) )
                                         != SV13 )
                                        | ( SY226 != SY227 ) ) ) ) ) )
                  | ( duplicatefreeP @ SV13 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[460]) ).

thf(543,plain,
    ! [SV14: $i] :
      ( ( ( ssList @ SV14 )
        = $false )
      | ( ( ! [SY231: $i] :
              ( ~ ( ssItem @ SY231 )
              | ( ( tl @ ( cons @ SY231 @ SV14 ) )
                = SV14 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[461]) ).

thf(544,plain,
    ! [SV15: $i] :
      ( ( ( ssList @ SV15 )
        = $false )
      | ( ( ! [SY232: $i] :
              ( ~ ( ssList @ SY232 )
              | ~ ( ~ ( ~ ( rearsegP @ SV15 @ SY232 )
                      | ~ ! [SY233: $i] :
                            ~ ~ ( ~ ( ssList @ SY233 )
                                | ( ( app @ SY233 @ SY232 )
                                 != SV15 ) ) )
                  | ~ ( ~ ~ ! [SY234: $i] :
                              ~ ~ ( ~ ( ssList @ SY234 )
                                  | ( ( app @ SY234 @ SY232 )
                                   != SV15 ) )
                      | ( rearsegP @ SV15 @ SY232 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[462]) ).

thf(545,plain,
    ! [SV16: $i] :
      ( ( ( ssList @ SV16 )
        = $false )
      | ( ( ! [SY235: $i] :
              ( ~ ( ssList @ SY235 )
              | ~ ~ ( ~ ( rearsegP @ SV16 @ SY235 )
                    | ~ ( rearsegP @ SY235 @ SV16 ) )
              | ( SV16 = SY235 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[463]) ).

thf(546,plain,
    ! [SV17: $i] :
      ( ( ( ssList @ SV17 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( equalelemsP @ SV17 )
                  | ! [SY236: $i] :
                      ( ~ ( ssItem @ SY236 )
                      | ! [SY237: $i] :
                          ( ~ ( ssItem @ SY237 )
                          | ! [SY238: $i] :
                              ( ~ ( ssList @ SY238 )
                              | ! [SY239: $i] :
                                  ( ~ ( ssList @ SY239 )
                                  | ( ( app @ SY238 @ ( cons @ SY236 @ ( cons @ SY237 @ SY239 ) ) )
                                   != SV17 )
                                  | ( SY236 = SY237 ) ) ) ) ) )
              | ~ ( ~ ! [SY240: $i] :
                        ( ~ ( ssItem @ SY240 )
                        | ! [SY241: $i] :
                            ( ~ ( ssItem @ SY241 )
                            | ! [SY242: $i] :
                                ( ~ ( ssList @ SY242 )
                                | ! [SY243: $i] :
                                    ( ~ ( ssList @ SY243 )
                                    | ( ( app @ SY242 @ ( cons @ SY240 @ ( cons @ SY241 @ SY243 ) ) )
                                     != SV17 )
                                    | ( SY240 = SY241 ) ) ) ) )
                  | ( equalelemsP @ SV17 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[464]) ).

thf(547,plain,
    ! [SV18: $i] :
      ( ( ( ssList @ SV18 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( totalorderedP @ SV18 )
                  | ! [SY244: $i] :
                      ( ~ ( ssItem @ SY244 )
                      | ! [SY245: $i] :
                          ( ~ ( ssItem @ SY245 )
                          | ! [SY246: $i] :
                              ( ~ ( ssList @ SY246 )
                              | ! [SY247: $i] :
                                  ( ~ ( ssList @ SY247 )
                                  | ! [SY248: $i] :
                                      ( ~ ( ssList @ SY248 )
                                      | ( ( app @ ( app @ SY246 @ ( cons @ SY244 @ SY247 ) ) @ ( cons @ SY245 @ SY248 ) )
                                       != SV18 )
                                      | ( leq @ SY244 @ SY245 ) ) ) ) ) ) )
              | ~ ( ~ ! [SY249: $i] :
                        ( ~ ( ssItem @ SY249 )
                        | ! [SY250: $i] :
                            ( ~ ( ssItem @ SY250 )
                            | ! [SY251: $i] :
                                ( ~ ( ssList @ SY251 )
                                | ! [SY252: $i] :
                                    ( ~ ( ssList @ SY252 )
                                    | ! [SY253: $i] :
                                        ( ~ ( ssList @ SY253 )
                                        | ( ( app @ ( app @ SY251 @ ( cons @ SY249 @ SY252 ) ) @ ( cons @ SY250 @ SY253 ) )
                                         != SV18 )
                                        | ( leq @ SY249 @ SY250 ) ) ) ) ) )
                  | ( totalorderedP @ SV18 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[465]) ).

thf(548,plain,
    ! [SV19: $i] :
      ( ( ( ssList @ SV19 )
        = $false )
      | ( ( ! [SY254: $i] :
              ( ~ ( ssItem @ SY254 )
              | ( ( cons @ SY254 @ SV19 )
                = ( app @ ( cons @ SY254 @ nil ) @ SV19 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[466]) ).

thf(549,plain,
    ! [SV20: $i] :
      ( ( ( ssList @ SV20 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( totalorderP @ SV20 )
                  | ! [SY255: $i] :
                      ( ~ ( ssItem @ SY255 )
                      | ! [SY256: $i] :
                          ( ~ ( ssItem @ SY256 )
                          | ! [SY257: $i] :
                              ( ~ ( ssList @ SY257 )
                              | ! [SY258: $i] :
                                  ( ~ ( ssList @ SY258 )
                                  | ! [SY259: $i] :
                                      ( ~ ( ssList @ SY259 )
                                      | ( ( app @ ( app @ SY257 @ ( cons @ SY255 @ SY258 ) ) @ ( cons @ SY256 @ SY259 ) )
                                       != SV20 )
                                      | ( leq @ SY255 @ SY256 )
                                      | ( leq @ SY256 @ SY255 ) ) ) ) ) ) )
              | ~ ( ~ ! [SY260: $i] :
                        ( ~ ( ssItem @ SY260 )
                        | ! [SY261: $i] :
                            ( ~ ( ssItem @ SY261 )
                            | ! [SY262: $i] :
                                ( ~ ( ssList @ SY262 )
                                | ! [SY263: $i] :
                                    ( ~ ( ssList @ SY263 )
                                    | ! [SY264: $i] :
                                        ( ~ ( ssList @ SY264 )
                                        | ( ( app @ ( app @ SY262 @ ( cons @ SY260 @ SY263 ) ) @ ( cons @ SY261 @ SY264 ) )
                                         != SV20 )
                                        | ( leq @ SY260 @ SY261 )
                                        | ( leq @ SY261 @ SY260 ) ) ) ) ) )
                  | ( totalorderP @ SV20 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[467]) ).

thf(550,plain,
    ! [SV21: $i] :
      ( ( ( ssList @ SV21 )
        = $false )
      | ( ( ! [SY265: $i] :
              ( ~ ( ssItem @ SY265 )
              | ( ( cons @ SY265 @ SV21 )
               != SV21 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[468]) ).

thf(551,plain,
    ! [SV22: $i] :
      ( ( ( ssList @ SV22 )
        = $false )
      | ( ( frontsegP @ SV22 @ nil )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[469]) ).

thf(552,plain,
    ! [SV23: $i] :
      ( ( ( ssItem @ SV23 )
        = $false )
      | ( ( geq @ SV23 @ SV23 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[470]) ).

thf(553,plain,
    ! [SV24: $i] :
      ( ( ( ssList @ SV24 )
        = $false )
      | ( ( ! [SY266: $i] :
              ( ~ ( ssItem @ SY266 )
              | ~ ( ~ ( ~ ( memberP @ SV24 @ SY266 )
                      | ~ ! [SY267: $i] :
                            ~ ~ ( ~ ( ssList @ SY267 )
                                | ~ ~ ! [SY268: $i] :
                                        ~ ~ ( ~ ( ssList @ SY268 )
                                            | ( ( app @ SY267 @ ( cons @ SY266 @ SY268 ) )
                                             != SV24 ) ) ) )
                  | ~ ( ~ ~ ! [SY269: $i] :
                              ~ ~ ( ~ ( ssList @ SY269 )
                                  | ~ ~ ! [SY270: $i] :
                                          ~ ~ ( ~ ( ssList @ SY270 )
                                              | ( ( app @ SY269 @ ( cons @ SY266 @ SY270 ) )
                                               != SV24 ) ) )
                      | ( memberP @ SV24 @ SY266 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[471]) ).

thf(554,plain,
    ! [SV25: $i] :
      ( ( ( ssList @ SV25 )
        = $false )
      | ( ( segmentP @ SV25 @ SV25 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[472]) ).

thf(555,plain,
    ! [SV26: $i] :
      ( ( ( ssList @ SV26 )
        = $false )
      | ( ( ! [SY271: $i] :
              ( ~ ( ssList @ SY271 )
              | ! [SY272: $i] :
                  ( ~ ( ssList @ SY272 )
                  | ! [SY273: $i] :
                      ( ~ ( ssList @ SY273 )
                      | ~ ( segmentP @ SV26 @ SY271 )
                      | ( segmentP @ ( app @ ( app @ SY272 @ SV26 ) @ SY273 ) @ SY271 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[473]) ).

thf(556,plain,
    ! [SV27: $i] :
      ( ( ( ssList @ SV27 )
        = $false )
      | ( ( ! [SY274: $i] :
              ( ~ ( ssList @ SY274 )
              | ! [SY275: $i] :
                  ( ~ ( ssItem @ SY275 )
                  | ! [SY276: $i] :
                      ( ~ ( ssItem @ SY276 )
                      | ( ( cons @ SY275 @ SV27 )
                       != ( cons @ SY276 @ SY274 ) )
                      | ~ ( ( SY275 != SY276 )
                          | ( SY274 != SV27 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[474]) ).

thf(557,plain,
    ! [SV28: $i] :
      ( ( ( ssList @ SV28 )
        = $false )
      | ( ( ( app @ SV28 @ nil )
          = SV28 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[475]) ).

thf(558,plain,
    ! [SV29: $i] :
      ( ( ( ssList @ SV29 )
        = $false )
      | ( ( ! [SY277: $i] :
              ( ~ ( ssList @ SY277 )
              | ! [SY278: $i] :
                  ( ~ ( ssList @ SY278 )
                  | ~ ~ ( ~ ( frontsegP @ SV29 @ SY277 )
                        | ~ ( frontsegP @ SY277 @ SY278 ) )
                  | ( frontsegP @ SV29 @ SY278 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[476]) ).

thf(559,plain,
    ! [SV30: $i] :
      ( ( ( ssList @ SV30 )
        = $false )
      | ( ( ! [SY279: $i] :
              ( ~ ( ssList @ SY279 )
              | ~ ( ( nil != SV30 ) )
              | ( ( tl @ ( app @ SV30 @ SY279 ) )
                = ( app @ ( tl @ SV30 ) @ SY279 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[477]) ).

thf(560,plain,
    ! [SV31: $i] :
      ( ( ( ssItem @ SV31 )
        = $false )
      | ( ( ! [SY280: $i] :
              ( ~ ( ssItem @ SY280 )
              | ~ ( ~ ( ~ ( neq @ SV31 @ SY280 )
                      | ( SV31 != SY280 ) )
                  | ~ ( ~ ( ( SV31 != SY280 ) )
                      | ( neq @ SV31 @ SY280 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[478]) ).

thf(561,plain,
    ! [SV32: $i] :
      ( ( ( ssItem @ SV32 )
        = $false )
      | ( ( ! [SY281: $i] :
              ( ~ ( ssItem @ SY281 )
              | ! [SY282: $i] :
                  ( ~ ( ssList @ SY282 )
                  | ~ ( ~ ( ~ ( memberP @ ( cons @ SY281 @ SY282 ) @ SV32 )
                          | ( SV32 = SY281 )
                          | ( memberP @ SY282 @ SV32 ) )
                      | ~ ( ~ ( ( SV32 = SY281 )
                              | ( memberP @ SY282 @ SV32 ) )
                          | ( memberP @ ( cons @ SY281 @ SY282 ) @ SV32 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[479]) ).

thf(562,plain,
    ! [SV33: $i] :
      ( ( ( ssList @ SV33 )
        = $false )
      | ( ( ~ ( ( nil != SV33 ) )
          | ( ssList @ ( tl @ SV33 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[480]) ).

thf(563,plain,
    ! [SV34: $i] :
      ( ( ( ssList @ SV34 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( singletonP @ SV34 )
                  | ~ ! [SY283: $i] :
                        ~ ~ ( ~ ( ssItem @ SY283 )
                            | ( ( cons @ SY283 @ nil )
                             != SV34 ) ) )
              | ~ ( ~ ~ ! [SY284: $i] :
                          ~ ~ ( ~ ( ssItem @ SY284 )
                              | ( ( cons @ SY284 @ nil )
                               != SV34 ) )
                  | ( singletonP @ SV34 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[481]) ).

thf(564,plain,
    ! [SV35: $i] :
      ( ( ( ssList @ SV35 )
        = $false )
      | ( ( ! [SY285: $i] :
              ( ~ ( ssList @ SY285 )
              | ~ ( ~ ( ~ ( neq @ SV35 @ SY285 )
                      | ( SV35 != SY285 ) )
                  | ~ ( ~ ( ( SV35 != SY285 ) )
                      | ( neq @ SV35 @ SY285 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[482]) ).

thf(565,plain,
    ! [SV36: $i] :
      ( ( ( ssList @ SV36 )
        = $false )
      | ( ( ! [SY286: $i] :
              ( ~ ( ssList @ SY286 )
              | ! [SY287: $i] :
                  ( ~ ( ssItem @ SY287 )
                  | ( ( cons @ SY287 @ ( app @ SY286 @ SV36 ) )
                    = ( app @ ( cons @ SY287 @ SY286 ) @ SV36 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[483]) ).

thf(566,plain,
    ! [SV37: $i] :
      ( ( ( ssItem @ SV37 )
        = $false )
      | ( ( ~ ( lt @ SV37 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[484]) ).

thf(567,plain,
    ! [SV38: $i] :
      ( ( ( ssItem @ SV38 )
        = $false )
      | ( ( duplicatefreeP @ ( cons @ SV38 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[485]) ).

thf(568,plain,
    ! [SV39: $i] :
      ( ( ( ssList @ SV39 )
        = $false )
      | ( ( rearsegP @ SV39 @ nil )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[486]) ).

thf(569,plain,
    ! [SV40: $i] :
      ( ( ( ssList @ SV40 )
        = $false )
      | ( ( ! [SY288: $i] :
              ( ~ ( ssList @ SY288 )
              | ~ ~ ( ~ ( frontsegP @ SV40 @ SY288 )
                    | ~ ( frontsegP @ SY288 @ SV40 ) )
              | ( SV40 = SY288 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[487]) ).

thf(570,plain,
    ! [SV41: $i] :
      ( ( ( ssItem @ SV41 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV41 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[488]) ).

thf(571,plain,
    ! [SV42: $i] :
      ( ( ( ssList @ SV42 )
        = $false )
      | ( ( frontsegP @ SV42 @ SV42 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[489]) ).

thf(572,plain,
    ! [SV43: $i] :
      ( ( ( ssItem @ SV43 )
        = $false )
      | ( ( ! [SY289: $i] :
              ( ~ ( ssItem @ SY289 )
              | ~ ~ ( ~ ( leq @ SV43 @ SY289 )
                    | ~ ( leq @ SY289 @ SV43 ) )
              | ( SV43 = SY289 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[490]) ).

thf(573,plain,
    ! [SV44: $i] :
      ( ( ( ssList @ SV44 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( rearsegP @ nil @ SV44 )
                  | ( nil = SV44 ) )
              | ~ ( ( nil != SV44 )
                  | ( rearsegP @ nil @ SV44 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[491]) ).

thf(574,plain,
    ! [SV45: $i] :
      ( ( ( ssList @ SV45 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ nil @ SV45 )
                  | ( nil = SV45 ) )
              | ~ ( ( nil != SV45 )
                  | ( frontsegP @ nil @ SV45 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[492]) ).

thf(575,plain,
    ! [SV46: $i] :
      ( ( ( ssItem @ SV46 )
        = $false )
      | ( ( strictorderedP @ ( cons @ SV46 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[493]) ).

thf(576,plain,
    ! [SV47: $i] :
      ( ( ( ssList @ SV47 )
        = $false )
      | ( ( ! [SY290: $i] :
              ( ~ ( ssList @ SY290 )
              | ~ ( ~ ( ~ ( frontsegP @ SV47 @ SY290 )
                      | ~ ! [SY291: $i] :
                            ~ ~ ( ~ ( ssList @ SY291 )
                                | ( ( app @ SY290 @ SY291 )
                                 != SV47 ) ) )
                  | ~ ( ~ ~ ! [SY292: $i] :
                              ~ ~ ( ~ ( ssList @ SY292 )
                                  | ( ( app @ SY290 @ SY292 )
                                   != SV47 ) )
                      | ( frontsegP @ SV47 @ SY290 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[494]) ).

thf(577,plain,
    ! [SV48: $i] :
      ( ( ( ssList @ SV48 )
        = $false )
      | ( ( ! [SY293: $i] :
              ( ~ ( ssItem @ SY293 )
              | ( nil
               != ( cons @ SY293 @ SV48 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[495]) ).

thf(578,plain,
    ! [SV49: $i] :
      ( ( ( ssItem @ SV49 )
        = $false )
      | ( ( totalorderP @ ( cons @ SV49 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[496]) ).

thf(579,plain,
    ! [SV50: $i] :
      ( ( ( ssList @ SV50 )
        = $false )
      | ( ( segmentP @ SV50 @ nil )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[497]) ).

thf(580,plain,
    ! [SV51: $i] :
      ( ( ( ssItem @ SV51 )
        = $false )
      | ( ( ! [SY294: $i] :
              ( ~ ( ssItem @ SY294 )
              | ! [SY295: $i] :
                  ( ~ ( ssItem @ SY295 )
                  | ~ ~ ( ~ ( geq @ SV51 @ SY294 )
                        | ~ ( geq @ SY294 @ SY295 ) )
                  | ( geq @ SV51 @ SY295 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[498]) ).

thf(581,plain,
    ! [SV52: $i] :
      ( ( ( ssList @ SV52 )
        = $false )
      | ( ( ( nil = SV52 )
          | ~ ! [SY296: $i] :
                ~ ~ ( ~ ( ssList @ SY296 )
                    | ~ ~ ! [SY297: $i] :
                            ~ ~ ( ~ ( ssItem @ SY297 )
                                | ( ( cons @ SY297 @ SY296 )
                                 != SV52 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[499]) ).

thf(582,plain,
    ! [SV53: $i] :
      ( ( ( ssList @ SV53 )
        = $false )
      | ( ( ! [SY298: $i] :
              ( ~ ( ssList @ SY298 )
              | ~ ( ( nil != SV53 ) )
              | ( ( hd @ ( app @ SV53 @ SY298 ) )
                = ( hd @ SV53 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[500]) ).

thf(583,plain,
    ! [SV54: $i] :
      ( ( ( ssList @ SV54 )
        = $false )
      | ( ( ( app @ nil @ SV54 )
          = SV54 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[501]) ).

thf(584,plain,
    ! [SV55: $i] :
      ( ( ( ssItem @ SV55 )
        = $false )
      | ( ( ! [SY299: $i] :
              ( ~ ( ssItem @ SY299 )
              | ~ ( leq @ SV55 @ SY299 )
              | ( SV55 = SY299 )
              | ( lt @ SV55 @ SY299 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[502]) ).

thf(585,plain,
    ! [SV56: $i] :
      ( ( ( ssItem @ SV56 )
        = $false )
      | ( ( ! [SY300: $i] :
              ( ~ ( ssList @ SY300 )
              | ! [SY301: $i] :
                  ( ~ ( ssList @ SY301 )
                  | ~ ( ~ ( ~ ( memberP @ ( app @ SY300 @ SY301 ) @ SV56 )
                          | ( memberP @ SY300 @ SV56 )
                          | ( memberP @ SY301 @ SV56 ) )
                      | ~ ( ~ ( ( memberP @ SY300 @ SV56 )
                              | ( memberP @ SY301 @ SV56 ) )
                          | ( memberP @ ( app @ SY300 @ SY301 ) @ SV56 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[503]) ).

thf(586,plain,
    ! [SV57: $i] :
      ( ( ( ssItem @ SV57 )
        = $false )
      | ( ( ! [SY302: $i] :
              ( ~ ( ssItem @ SY302 )
              | ! [SY303: $i] :
                  ( ~ ( ssItem @ SY303 )
                  | ~ ~ ( ~ ( leq @ SV57 @ SY302 )
                        | ~ ( lt @ SY302 @ SY303 ) )
                  | ( lt @ SV57 @ SY303 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[504]) ).

thf(587,plain,
    ! [SV58: $i] :
      ( ( ( ssItem @ SV58 )
        = $false )
      | ( ( ! [SY304: $i] :
              ( ~ ( ssItem @ SY304 )
              | ! [SY305: $i] :
                  ( ~ ( ssItem @ SY305 )
                  | ~ ~ ( ~ ( gt @ SV58 @ SY304 )
                        | ~ ( gt @ SY304 @ SY305 ) )
                  | ( gt @ SV58 @ SY305 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[505]) ).

thf(588,plain,
    ! [SV59: $i] :
      ( ( ( ssItem @ SV59 )
        = $false )
      | ( ( ! [SY306: $i] :
              ( ~ ( ssItem @ SY306 )
              | ~ ( lt @ SV59 @ SY306 )
              | ~ ( lt @ SY306 @ SV59 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[506]) ).

thf(589,plain,
    ! [SV60: $i] :
      ( ( ( ssList @ SV60 )
        = $false )
      | ( ( ! [SY307: $i] :
              ( ~ ( ssList @ SY307 )
              | ( ssList @ ( app @ SV60 @ SY307 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[507]) ).

thf(590,plain,
    ! [SV61: $i] :
      ( ( ( ssItem @ SV61 )
        = $false )
      | ( ( strictorderP @ ( cons @ SV61 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[508]) ).

thf(591,plain,
    ! [SV62: $i] :
      ( ( ( ssList @ SV62 )
        = $false )
      | ( ( ! [SY308: $i] :
              ( ~ ( ssList @ SY308 )
              | ! [SY309: $i] :
                  ( ~ ( ssList @ SY309 )
                  | ~ ~ ( ~ ( segmentP @ SV62 @ SY308 )
                        | ~ ( segmentP @ SY308 @ SY309 ) )
                  | ( segmentP @ SV62 @ SY309 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[509]) ).

thf(592,plain,
    ! [SV63: $i] :
      ( ( ( ssList @ SV63 )
        = $false )
      | ( ( ! [SY310: $i] :
              ( ~ ( ssItem @ SY310 )
              | ( ( hd @ ( cons @ SY310 @ SV63 ) )
                = SY310 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[510]) ).

thf(593,plain,
    ! [SV64: $i] :
      ( ( ( ssList @ SV64 )
        = $false )
      | ( ( ~ ( ( nil != SV64 ) )
          | ~ ! [SY311: $i] :
                ~ ~ ( ~ ( ssItem @ SY311 )
                    | ( ( hd @ SV64 )
                     != SY311 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[511]) ).

thf(594,plain,
    ! [SV65: $i] :
      ( ( ( ssList @ SV65 )
        = $false )
      | ( ( ! [SY312: $i] :
              ( ~ ( ssList @ SY312 )
              | ! [SY313: $i] :
                  ( ~ ( ssList @ SY313 )
                  | ( ( app @ SY313 @ SY312 )
                   != ( app @ SV65 @ SY312 ) )
                  | ( SY313 = SV65 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[512]) ).

thf(595,plain,
    ! [SV66: $i] :
      ( ( ( ssList @ SV66 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( cyclefreeP @ SV66 )
                  | ! [SY314: $i] :
                      ( ~ ( ssItem @ SY314 )
                      | ! [SY315: $i] :
                          ( ~ ( ssItem @ SY315 )
                          | ! [SY316: $i] :
                              ( ~ ( ssList @ SY316 )
                              | ! [SY317: $i] :
                                  ( ~ ( ssList @ SY317 )
                                  | ! [SY318: $i] :
                                      ( ~ ( ssList @ SY318 )
                                      | ( ( app @ ( app @ SY316 @ ( cons @ SY314 @ SY317 ) ) @ ( cons @ SY315 @ SY318 ) )
                                       != SV66 )
                                      | ~ ~ ( ~ ( leq @ SY314 @ SY315 )
                                            | ~ ( leq @ SY315 @ SY314 ) ) ) ) ) ) ) )
              | ~ ( ~ ! [SY319: $i] :
                        ( ~ ( ssItem @ SY319 )
                        | ! [SY320: $i] :
                            ( ~ ( ssItem @ SY320 )
                            | ! [SY321: $i] :
                                ( ~ ( ssList @ SY321 )
                                | ! [SY322: $i] :
                                    ( ~ ( ssList @ SY322 )
                                    | ! [SY323: $i] :
                                        ( ~ ( ssList @ SY323 )
                                        | ( ( app @ ( app @ SY321 @ ( cons @ SY319 @ SY322 ) ) @ ( cons @ SY320 @ SY323 ) )
                                         != SV66 )
                                        | ~ ~ ( ~ ( leq @ SY319 @ SY320 )
                                              | ~ ( leq @ SY320 @ SY319 ) ) ) ) ) ) )
                  | ( cyclefreeP @ SV66 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[513]) ).

thf(596,plain,
    ! [SV67: $i] :
      ( ( ( ssItem @ SV67 )
        = $false )
      | ( ( ~ ( memberP @ nil @ SV67 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[514]) ).

thf(597,plain,
    ! [SV68: $i] :
      ( ( ( ssList @ SV68 )
        = $false )
      | ( ( ~ ( ( nil != SV68 ) )
          | ( ssItem @ ( hd @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[515]) ).

thf(598,plain,
    ! [SV69: $i] :
      ( ( ( ssItem @ SV69 )
        = $false )
      | ( ( ! [SY324: $i] :
              ( ~ ( ssItem @ SY324 )
              | ~ ( gt @ SV69 @ SY324 )
              | ~ ( gt @ SY324 @ SV69 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[516]) ).

thf(599,plain,
    ! [SV70: $i] :
      ( ( ( ssItem @ SV70 )
        = $false )
      | ( ( cyclefreeP @ ( cons @ SV70 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[517]) ).

thf(600,plain,
    ! [SV71: $i] :
      ( ( ( ssList @ SV71 )
        = $false )
      | ( ( rearsegP @ SV71 @ SV71 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[518]) ).

thf(601,plain,
    ! [SV72: $i] :
      ( ( ( ssList @ SV72 )
        = $false )
      | ( ( ! [SY325: $i] :
              ( ~ ( ssList @ SY325 )
              | ! [SY326: $i] :
                  ( ~ ( ssList @ SY326 )
                  | ~ ( frontsegP @ SV72 @ SY325 )
                  | ( frontsegP @ ( app @ SV72 @ SY326 ) @ SY325 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[519]) ).

thf(602,plain,
    ! [SV73: $i] :
      ( ( ( ssList @ SV73 )
        = $false )
      | ( ( ! [SY327: $i] :
              ( ~ ( ssList @ SY327 )
              | ~ ~ ( ~ ( segmentP @ SV73 @ SY327 )
                    | ~ ( segmentP @ SY327 @ SV73 ) )
              | ( SV73 = SY327 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[520]) ).

thf(603,plain,
    ! [SV74: $i] :
      ( ( ( ssList @ SV74 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( segmentP @ nil @ SV74 )
                  | ( nil = SV74 ) )
              | ~ ( ( nil != SV74 )
                  | ( segmentP @ nil @ SV74 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[521]) ).

thf(604,plain,
    ! [SV75: $i] :
      ( ( ( ssList @ SV75 )
        = $false )
      | ( ( ! [SY328: $i] :
              ( ~ ( ssList @ SY328 )
              | ! [SY329: $i] :
                  ( ~ ( ssList @ SY329 )
                  | ~ ~ ( ~ ( rearsegP @ SV75 @ SY328 )
                        | ~ ( rearsegP @ SY328 @ SY329 ) )
                  | ( rearsegP @ SV75 @ SY329 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[522]) ).

thf(605,plain,
    ! [SV76: $i] :
      ( ( ( ssList @ SV76 )
        = $false )
      | ( ( ! [SY330: $i] :
              ( ~ ( ssItem @ SY330 )
              | ( ssList @ ( cons @ SY330 @ SV76 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[523]) ).

thf(606,plain,
    ! [SV77: $i] :
      ( ( ( ssItem @ SV77 )
        = $false )
      | ( ( ! [SY331: $i] :
              ( ~ ( ssItem @ SY331 )
              | ~ ( ~ ( ~ ( geq @ SV77 @ SY331 )
                      | ( leq @ SY331 @ SV77 ) )
                  | ~ ( ~ ( leq @ SY331 @ SV77 )
                      | ( geq @ SV77 @ SY331 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[524]) ).

thf(607,plain,
    ! [SV78: $i] :
      ( ( ( ssItem @ SV78 )
        = $false )
      | ( ( ! [SY332: $i] :
              ( ~ ( ssItem @ SY332 )
              | ~ ~ ( ~ ( geq @ SV78 @ SY332 )
                    | ~ ( geq @ SY332 @ SV78 ) )
              | ( SV78 = SY332 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[525]) ).

thf(608,plain,
    ! [SV79: $i] :
      ( ( ( ssItem @ SV79 )
        = $false )
      | ( ( ! [SY333: $i] :
              ( ~ ( ssItem @ SY333 )
              | ! [SY334: $i] :
                  ( ~ ( ssItem @ SY334 )
                  | ~ ~ ( ~ ( leq @ SV79 @ SY333 )
                        | ~ ( leq @ SY333 @ SY334 ) )
                  | ( leq @ SV79 @ SY334 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[526]) ).

thf(609,plain,
    ! [SV1: $i,SV80: $i] :
      ( ( ( ~ ( ssList @ SV80 )
          | ! [SY343: $i] :
              ( ~ ( ssList @ SY343 )
              | ~ ( rearsegP @ SV1 @ SV80 )
              | ( rearsegP @ ( app @ SY343 @ SV1 ) @ SV80 ) ) )
        = $true )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[527]) ).

thf(610,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( ( nil != SV2 ) ) )
        = $true )
      | ( ( ~ ! [SY203: $i] :
                ~ ~ ( ~ ( ssList @ SY203 )
                    | ( ( tl @ SV2 )
                     != SY203 ) ) )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[528]) ).

thf(611,plain,
    ! [SV3: $i,SV81: $i] :
      ( ( ( ~ ( ssItem @ SV81 )
          | ! [SY344: $i] :
              ( ~ ( ssList @ SY344 )
              | ! [SY345: $i] :
                  ( ~ ( ssList @ SY345 )
                  | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SY344 ) @ ( cons @ SV81 @ SY345 ) )
                          | ~ ( ( SV3 != SV81 )
                              | ~ ( frontsegP @ SY344 @ SY345 ) ) )
                      | ~ ( ~ ~ ( ( SV3 != SV81 )
                                | ~ ( frontsegP @ SY344 @ SY345 ) )
                          | ( frontsegP @ ( cons @ SV3 @ SY344 ) @ ( cons @ SV81 @ SY345 ) ) ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[529]) ).

thf(612,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ( ssList @ SV82 )
          | ~ ( ~ ( ~ ( segmentP @ SV4 @ SV82 )
                  | ~ ! [SY346: $i] :
                        ~ ~ ( ~ ( ssList @ SY346 )
                            | ~ ~ ! [SY347: $i] :
                                    ~ ~ ( ~ ( ssList @ SY347 )
                                        | ( ( app @ ( app @ SY346 @ SV82 ) @ SY347 )
                                         != SV4 ) ) ) )
              | ~ ( ~ ~ ! [SY348: $i] :
                          ~ ~ ( ~ ( ssList @ SY348 )
                              | ~ ~ ! [SY349: $i] :
                                      ~ ~ ( ~ ( ssList @ SY349 )
                                          | ( ( app @ ( app @ SY348 @ SV82 ) @ SY349 )
                                           != SV4 ) ) )
                  | ( segmentP @ SV4 @ SV82 ) ) ) )
        = $true )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[530]) ).

thf(613,plain,
    ! [SV5: $i,SV83: $i] :
      ( ( ( ~ ( ssList @ SV83 )
          | ! [SY350: $i] :
              ( ~ ( ssList @ SY350 )
              | ( ( app @ SV83 @ SY350 )
               != ( app @ SV83 @ SV5 ) )
              | ( SY350 = SV5 ) ) )
        = $true )
      | ( ( ssList @ SV5 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[531]) ).

thf(614,plain,
    ( ( ssList @ sK2_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[532]) ).

thf(615,plain,
    ( ( ~ ( ssList @ sK4_SY335 )
      | ! [SY351: $i] :
          ( ~ ( ssList @ SY351 )
          | ( nil != sK2_SX0 )
          | ( sK2_SX0 != SY351 )
          | ( sK1_U != sK4_SY335 )
          | ( nil = sK1_U )
          | ! [SY352: $i] :
              ( ~ ( ssList @ SY352 )
              | ( ( app @ sK4_SY335 @ SY352 )
               != SY351 )
              | ~ ( totalorderedP @ sK4_SY335 )
              | ~ ! [SY353: $i] :
                    ~ ~ ( ~ ( ssItem @ SY353 )
                        | ~ ~ ! [SY354: $i] :
                                ~ ~ ( ~ ~ ( ~ ( ssList @ SY354 )
                                          | ( ( app @ ( cons @ SY353 @ nil ) @ SY354 )
                                           != SY352 ) )
                                    | ~ ~ ! [SY355: $i] :
                                            ~ ~ ( ~ ( ssItem @ SY355 )
                                                | ~ ~ ! [SY356: $i] :
                                                        ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                                  | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                                   != sK4_SY335 ) )
                                                            | ~ ( leq @ SY355 @ SY353 ) ) ) ) ) )
          | ~ ( ~ ( ( nil != SY351 ) )
              | ( nil != sK4_SY335 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[533]) ).

thf(616,plain,
    ! [SV7: $i,SV84: $i] :
      ( ( ( ~ ( ssList @ SV84 )
          | ! [SY357: $i] :
              ( ~ ( ssList @ SY357 )
              | ( ( app @ ( app @ SV7 @ SV84 ) @ SY357 )
                = ( app @ SV7 @ ( app @ SV84 @ SY357 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV7 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[535]) ).

thf(617,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ssList @ SV85 )
          | ~ ( ~ ( ~ ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
                  | ( nil = SV85 )
                  | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                            | ~ ( totalorderedP @ SV85 ) )
                      | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
              | ~ ( ~ ( ( nil = SV85 )
                      | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                                | ~ ( totalorderedP @ SV85 ) )
                          | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
                  | ( totalorderedP @ ( cons @ SV8 @ SV85 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[536]) ).

thf(618,plain,
    ! [SV9: $i,SV86: $i] :
      ( ( ( ~ ( ssItem @ SV86 )
          | ~ ( ~ ( ~ ( lt @ SV9 @ SV86 )
                  | ~ ( ~ ( ( SV9 != SV86 ) )
                      | ~ ( leq @ SV9 @ SV86 ) ) )
              | ~ ( ~ ~ ( ~ ( ( SV9 != SV86 ) )
                        | ~ ( leq @ SV9 @ SV86 ) )
                  | ( lt @ SV9 @ SV86 ) ) ) )
        = $true )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[537]) ).

thf(619,plain,
    ! [SV10: $i,SV87: $i] :
      ( ( ( ~ ( ssItem @ SV87 )
          | ! [SY358: $i] :
              ( ~ ( ssItem @ SY358 )
              | ~ ~ ( ~ ( lt @ SV10 @ SV87 )
                    | ~ ( lt @ SV87 @ SY358 ) )
              | ( lt @ SV10 @ SY358 ) ) )
        = $true )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[538]) ).

thf(620,plain,
    ( ( ~ ( ssItem @ sK3_SX0 )
      | ~ ~ ! [SY342: $i] :
              ~ ~ ( ~ ( ssItem @ SY342 )
                  | ~ ( ( sK3_SX0 != SY342 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[539]) ).

thf(621,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( ~ ( ssList @ SV88 )
          | ~ ( ~ ( ( nil
                   != ( app @ SV11 @ SV88 ) )
                  | ~ ( ( nil != SV88 )
                      | ( nil != SV11 ) ) )
              | ~ ( ~ ~ ( ( nil != SV88 )
                        | ( nil != SV11 ) )
                  | ( nil
                    = ( app @ SV11 @ SV88 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[540]) ).

thf(622,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ~ ( duplicatefreeP @ SV13 )
              | ! [SY221: $i] :
                  ( ~ ( ssItem @ SY221 )
                  | ! [SY222: $i] :
                      ( ~ ( ssItem @ SY222 )
                      | ! [SY223: $i] :
                          ( ~ ( ssList @ SY223 )
                          | ! [SY224: $i] :
                              ( ~ ( ssList @ SY224 )
                              | ! [SY225: $i] :
                                  ( ~ ( ssList @ SY225 )
                                  | ( ( app @ ( app @ SY223 @ ( cons @ SY221 @ SY224 ) ) @ ( cons @ SY222 @ SY225 ) )
                                   != SV13 )
                                  | ( SY221 != SY222 ) ) ) ) ) ) )
          | ~ ( ~ ! [SY226: $i] :
                    ( ~ ( ssItem @ SY226 )
                    | ! [SY227: $i] :
                        ( ~ ( ssItem @ SY227 )
                        | ! [SY228: $i] :
                            ( ~ ( ssList @ SY228 )
                            | ! [SY229: $i] :
                                ( ~ ( ssList @ SY229 )
                                | ! [SY230: $i] :
                                    ( ~ ( ssList @ SY230 )
                                    | ( ( app @ ( app @ SY228 @ ( cons @ SY226 @ SY229 ) ) @ ( cons @ SY227 @ SY230 ) )
                                     != SV13 )
                                    | ( SY226 != SY227 ) ) ) ) ) )
              | ( duplicatefreeP @ SV13 ) ) )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[542]) ).

thf(623,plain,
    ! [SV14: $i,SV89: $i] :
      ( ( ( ~ ( ssItem @ SV89 )
          | ( ( tl @ ( cons @ SV89 @ SV14 ) )
            = SV14 ) )
        = $true )
      | ( ( ssList @ SV14 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[543]) ).

thf(624,plain,
    ! [SV15: $i,SV90: $i] :
      ( ( ( ~ ( ssList @ SV90 )
          | ~ ( ~ ( ~ ( rearsegP @ SV15 @ SV90 )
                  | ~ ! [SY359: $i] :
                        ~ ~ ( ~ ( ssList @ SY359 )
                            | ( ( app @ SY359 @ SV90 )
                             != SV15 ) ) )
              | ~ ( ~ ~ ! [SY360: $i] :
                          ~ ~ ( ~ ( ssList @ SY360 )
                              | ( ( app @ SY360 @ SV90 )
                               != SV15 ) )
                  | ( rearsegP @ SV15 @ SV90 ) ) ) )
        = $true )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[544]) ).

thf(625,plain,
    ! [SV16: $i,SV91: $i] :
      ( ( ( ~ ( ssList @ SV91 )
          | ~ ~ ( ~ ( rearsegP @ SV16 @ SV91 )
                | ~ ( rearsegP @ SV91 @ SV16 ) )
          | ( SV16 = SV91 ) )
        = $true )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[545]) ).

thf(626,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ~ ( equalelemsP @ SV17 )
              | ! [SY236: $i] :
                  ( ~ ( ssItem @ SY236 )
                  | ! [SY237: $i] :
                      ( ~ ( ssItem @ SY237 )
                      | ! [SY238: $i] :
                          ( ~ ( ssList @ SY238 )
                          | ! [SY239: $i] :
                              ( ~ ( ssList @ SY239 )
                              | ( ( app @ SY238 @ ( cons @ SY236 @ ( cons @ SY237 @ SY239 ) ) )
                               != SV17 )
                              | ( SY236 = SY237 ) ) ) ) ) )
          | ~ ( ~ ! [SY240: $i] :
                    ( ~ ( ssItem @ SY240 )
                    | ! [SY241: $i] :
                        ( ~ ( ssItem @ SY241 )
                        | ! [SY242: $i] :
                            ( ~ ( ssList @ SY242 )
                            | ! [SY243: $i] :
                                ( ~ ( ssList @ SY243 )
                                | ( ( app @ SY242 @ ( cons @ SY240 @ ( cons @ SY241 @ SY243 ) ) )
                                 != SV17 )
                                | ( SY240 = SY241 ) ) ) ) )
              | ( equalelemsP @ SV17 ) ) )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[546]) ).

thf(627,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ~ ( totalorderedP @ SV18 )
              | ! [SY244: $i] :
                  ( ~ ( ssItem @ SY244 )
                  | ! [SY245: $i] :
                      ( ~ ( ssItem @ SY245 )
                      | ! [SY246: $i] :
                          ( ~ ( ssList @ SY246 )
                          | ! [SY247: $i] :
                              ( ~ ( ssList @ SY247 )
                              | ! [SY248: $i] :
                                  ( ~ ( ssList @ SY248 )
                                  | ( ( app @ ( app @ SY246 @ ( cons @ SY244 @ SY247 ) ) @ ( cons @ SY245 @ SY248 ) )
                                   != SV18 )
                                  | ( leq @ SY244 @ SY245 ) ) ) ) ) ) )
          | ~ ( ~ ! [SY249: $i] :
                    ( ~ ( ssItem @ SY249 )
                    | ! [SY250: $i] :
                        ( ~ ( ssItem @ SY250 )
                        | ! [SY251: $i] :
                            ( ~ ( ssList @ SY251 )
                            | ! [SY252: $i] :
                                ( ~ ( ssList @ SY252 )
                                | ! [SY253: $i] :
                                    ( ~ ( ssList @ SY253 )
                                    | ( ( app @ ( app @ SY251 @ ( cons @ SY249 @ SY252 ) ) @ ( cons @ SY250 @ SY253 ) )
                                     != SV18 )
                                    | ( leq @ SY249 @ SY250 ) ) ) ) ) )
              | ( totalorderedP @ SV18 ) ) )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[547]) ).

thf(628,plain,
    ! [SV19: $i,SV92: $i] :
      ( ( ( ~ ( ssItem @ SV92 )
          | ( ( cons @ SV92 @ SV19 )
            = ( app @ ( cons @ SV92 @ nil ) @ SV19 ) ) )
        = $true )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[548]) ).

thf(629,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ~ ( totalorderP @ SV20 )
              | ! [SY255: $i] :
                  ( ~ ( ssItem @ SY255 )
                  | ! [SY256: $i] :
                      ( ~ ( ssItem @ SY256 )
                      | ! [SY257: $i] :
                          ( ~ ( ssList @ SY257 )
                          | ! [SY258: $i] :
                              ( ~ ( ssList @ SY258 )
                              | ! [SY259: $i] :
                                  ( ~ ( ssList @ SY259 )
                                  | ( ( app @ ( app @ SY257 @ ( cons @ SY255 @ SY258 ) ) @ ( cons @ SY256 @ SY259 ) )
                                   != SV20 )
                                  | ( leq @ SY255 @ SY256 )
                                  | ( leq @ SY256 @ SY255 ) ) ) ) ) ) )
          | ~ ( ~ ! [SY260: $i] :
                    ( ~ ( ssItem @ SY260 )
                    | ! [SY261: $i] :
                        ( ~ ( ssItem @ SY261 )
                        | ! [SY262: $i] :
                            ( ~ ( ssList @ SY262 )
                            | ! [SY263: $i] :
                                ( ~ ( ssList @ SY263 )
                                | ! [SY264: $i] :
                                    ( ~ ( ssList @ SY264 )
                                    | ( ( app @ ( app @ SY262 @ ( cons @ SY260 @ SY263 ) ) @ ( cons @ SY261 @ SY264 ) )
                                     != SV20 )
                                    | ( leq @ SY260 @ SY261 )
                                    | ( leq @ SY261 @ SY260 ) ) ) ) ) )
              | ( totalorderP @ SV20 ) ) )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[549]) ).

thf(630,plain,
    ! [SV21: $i,SV93: $i] :
      ( ( ( ~ ( ssItem @ SV93 )
          | ( ( cons @ SV93 @ SV21 )
           != SV21 ) )
        = $true )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[550]) ).

thf(631,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ( ssItem @ SV94 )
          | ~ ( ~ ( ~ ( memberP @ SV24 @ SV94 )
                  | ~ ! [SY361: $i] :
                        ~ ~ ( ~ ( ssList @ SY361 )
                            | ~ ~ ! [SY362: $i] :
                                    ~ ~ ( ~ ( ssList @ SY362 )
                                        | ( ( app @ SY361 @ ( cons @ SV94 @ SY362 ) )
                                         != SV24 ) ) ) )
              | ~ ( ~ ~ ! [SY363: $i] :
                          ~ ~ ( ~ ( ssList @ SY363 )
                              | ~ ~ ! [SY364: $i] :
                                      ~ ~ ( ~ ( ssList @ SY364 )
                                          | ( ( app @ SY363 @ ( cons @ SV94 @ SY364 ) )
                                           != SV24 ) ) )
                  | ( memberP @ SV24 @ SV94 ) ) ) )
        = $true )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[553]) ).

thf(632,plain,
    ! [SV26: $i,SV95: $i] :
      ( ( ( ~ ( ssList @ SV95 )
          | ! [SY365: $i] :
              ( ~ ( ssList @ SY365 )
              | ! [SY366: $i] :
                  ( ~ ( ssList @ SY366 )
                  | ~ ( segmentP @ SV26 @ SV95 )
                  | ( segmentP @ ( app @ ( app @ SY365 @ SV26 ) @ SY366 ) @ SV95 ) ) ) )
        = $true )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[555]) ).

thf(633,plain,
    ! [SV27: $i,SV96: $i] :
      ( ( ( ~ ( ssList @ SV96 )
          | ! [SY367: $i] :
              ( ~ ( ssItem @ SY367 )
              | ! [SY368: $i] :
                  ( ~ ( ssItem @ SY368 )
                  | ( ( cons @ SY367 @ SV27 )
                   != ( cons @ SY368 @ SV96 ) )
                  | ~ ( ( SY367 != SY368 )
                      | ( SV96 != SV27 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[556]) ).

thf(634,plain,
    ! [SV29: $i,SV97: $i] :
      ( ( ( ~ ( ssList @ SV97 )
          | ! [SY369: $i] :
              ( ~ ( ssList @ SY369 )
              | ~ ~ ( ~ ( frontsegP @ SV29 @ SV97 )
                    | ~ ( frontsegP @ SV97 @ SY369 ) )
              | ( frontsegP @ SV29 @ SY369 ) ) )
        = $true )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[558]) ).

thf(635,plain,
    ! [SV30: $i,SV98: $i] :
      ( ( ( ~ ( ssList @ SV98 )
          | ~ ( ( nil != SV30 ) )
          | ( ( tl @ ( app @ SV30 @ SV98 ) )
            = ( app @ ( tl @ SV30 ) @ SV98 ) ) )
        = $true )
      | ( ( ssList @ SV30 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[559]) ).

thf(636,plain,
    ! [SV31: $i,SV99: $i] :
      ( ( ( ~ ( ssItem @ SV99 )
          | ~ ( ~ ( ~ ( neq @ SV31 @ SV99 )
                  | ( SV31 != SV99 ) )
              | ~ ( ~ ( ( SV31 != SV99 ) )
                  | ( neq @ SV31 @ SV99 ) ) ) )
        = $true )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[560]) ).

thf(637,plain,
    ! [SV32: $i,SV100: $i] :
      ( ( ( ~ ( ssItem @ SV100 )
          | ! [SY370: $i] :
              ( ~ ( ssList @ SY370 )
              | ~ ( ~ ( ~ ( memberP @ ( cons @ SV100 @ SY370 ) @ SV32 )
                      | ( SV32 = SV100 )
                      | ( memberP @ SY370 @ SV32 ) )
                  | ~ ( ~ ( ( SV32 = SV100 )
                          | ( memberP @ SY370 @ SV32 ) )
                      | ( memberP @ ( cons @ SV100 @ SY370 ) @ SV32 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[561]) ).

thf(638,plain,
    ! [SV33: $i] :
      ( ( ( ~ ( ( nil != SV33 ) ) )
        = $true )
      | ( ( ssList @ ( tl @ SV33 ) )
        = $true )
      | ( ( ssList @ SV33 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[562]) ).

thf(639,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( ~ ( singletonP @ SV34 )
              | ~ ! [SY283: $i] :
                    ~ ~ ( ~ ( ssItem @ SY283 )
                        | ( ( cons @ SY283 @ nil )
                         != SV34 ) ) )
          | ~ ( ~ ~ ! [SY284: $i] :
                      ~ ~ ( ~ ( ssItem @ SY284 )
                          | ( ( cons @ SY284 @ nil )
                           != SV34 ) )
              | ( singletonP @ SV34 ) ) )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[563]) ).

thf(640,plain,
    ! [SV35: $i,SV101: $i] :
      ( ( ( ~ ( ssList @ SV101 )
          | ~ ( ~ ( ~ ( neq @ SV35 @ SV101 )
                  | ( SV35 != SV101 ) )
              | ~ ( ~ ( ( SV35 != SV101 ) )
                  | ( neq @ SV35 @ SV101 ) ) ) )
        = $true )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[564]) ).

thf(641,plain,
    ! [SV36: $i,SV102: $i] :
      ( ( ( ~ ( ssList @ SV102 )
          | ! [SY371: $i] :
              ( ~ ( ssItem @ SY371 )
              | ( ( cons @ SY371 @ ( app @ SV102 @ SV36 ) )
                = ( app @ ( cons @ SY371 @ SV102 ) @ SV36 ) ) ) )
        = $true )
      | ( ( ssList @ SV36 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[565]) ).

thf(642,plain,
    ! [SV37: $i] :
      ( ( ( lt @ SV37 @ SV37 )
        = $false )
      | ( ( ssItem @ SV37 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[566]) ).

thf(643,plain,
    ! [SV40: $i,SV103: $i] :
      ( ( ( ~ ( ssList @ SV103 )
          | ~ ~ ( ~ ( frontsegP @ SV40 @ SV103 )
                | ~ ( frontsegP @ SV103 @ SV40 ) )
          | ( SV40 = SV103 ) )
        = $true )
      | ( ( ssList @ SV40 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[569]) ).

thf(644,plain,
    ! [SV43: $i,SV104: $i] :
      ( ( ( ~ ( ssItem @ SV104 )
          | ~ ~ ( ~ ( leq @ SV43 @ SV104 )
                | ~ ( leq @ SV104 @ SV43 ) )
          | ( SV43 = SV104 ) )
        = $true )
      | ( ( ssItem @ SV43 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[572]) ).

thf(645,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ nil @ SV44 )
              | ( nil = SV44 ) )
          | ~ ( ( nil != SV44 )
              | ( rearsegP @ nil @ SV44 ) ) )
        = $false )
      | ( ( ssList @ SV44 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[573]) ).

thf(646,plain,
    ! [SV45: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ nil @ SV45 )
              | ( nil = SV45 ) )
          | ~ ( ( nil != SV45 )
              | ( frontsegP @ nil @ SV45 ) ) )
        = $false )
      | ( ( ssList @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[574]) ).

thf(647,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ~ ( ssList @ SV105 )
          | ~ ( ~ ( ~ ( frontsegP @ SV47 @ SV105 )
                  | ~ ! [SY372: $i] :
                        ~ ~ ( ~ ( ssList @ SY372 )
                            | ( ( app @ SV105 @ SY372 )
                             != SV47 ) ) )
              | ~ ( ~ ~ ! [SY373: $i] :
                          ~ ~ ( ~ ( ssList @ SY373 )
                              | ( ( app @ SV105 @ SY373 )
                               != SV47 ) )
                  | ( frontsegP @ SV47 @ SV105 ) ) ) )
        = $true )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[576]) ).

thf(648,plain,
    ! [SV48: $i,SV106: $i] :
      ( ( ( ~ ( ssItem @ SV106 )
          | ( nil
           != ( cons @ SV106 @ SV48 ) ) )
        = $true )
      | ( ( ssList @ SV48 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[577]) ).

thf(649,plain,
    ! [SV51: $i,SV107: $i] :
      ( ( ( ~ ( ssItem @ SV107 )
          | ! [SY374: $i] :
              ( ~ ( ssItem @ SY374 )
              | ~ ~ ( ~ ( geq @ SV51 @ SV107 )
                    | ~ ( geq @ SV107 @ SY374 ) )
              | ( geq @ SV51 @ SY374 ) ) )
        = $true )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[580]) ).

thf(650,plain,
    ! [SV52: $i] :
      ( ( ( nil = SV52 )
        = $true )
      | ( ( ~ ! [SY296: $i] :
                ~ ~ ( ~ ( ssList @ SY296 )
                    | ~ ~ ! [SY297: $i] :
                            ~ ~ ( ~ ( ssItem @ SY297 )
                                | ( ( cons @ SY297 @ SY296 )
                                 != SV52 ) ) ) )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[581]) ).

thf(651,plain,
    ! [SV53: $i,SV108: $i] :
      ( ( ( ~ ( ssList @ SV108 )
          | ~ ( ( nil != SV53 ) )
          | ( ( hd @ ( app @ SV53 @ SV108 ) )
            = ( hd @ SV53 ) ) )
        = $true )
      | ( ( ssList @ SV53 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[582]) ).

thf(652,plain,
    ! [SV55: $i,SV109: $i] :
      ( ( ( ~ ( ssItem @ SV109 )
          | ~ ( leq @ SV55 @ SV109 )
          | ( SV55 = SV109 )
          | ( lt @ SV55 @ SV109 ) )
        = $true )
      | ( ( ssItem @ SV55 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[584]) ).

thf(653,plain,
    ! [SV56: $i,SV110: $i] :
      ( ( ( ~ ( ssList @ SV110 )
          | ! [SY375: $i] :
              ( ~ ( ssList @ SY375 )
              | ~ ( ~ ( ~ ( memberP @ ( app @ SV110 @ SY375 ) @ SV56 )
                      | ( memberP @ SV110 @ SV56 )
                      | ( memberP @ SY375 @ SV56 ) )
                  | ~ ( ~ ( ( memberP @ SV110 @ SV56 )
                          | ( memberP @ SY375 @ SV56 ) )
                      | ( memberP @ ( app @ SV110 @ SY375 ) @ SV56 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[585]) ).

thf(654,plain,
    ! [SV57: $i,SV111: $i] :
      ( ( ( ~ ( ssItem @ SV111 )
          | ! [SY376: $i] :
              ( ~ ( ssItem @ SY376 )
              | ~ ~ ( ~ ( leq @ SV57 @ SV111 )
                    | ~ ( lt @ SV111 @ SY376 ) )
              | ( lt @ SV57 @ SY376 ) ) )
        = $true )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[586]) ).

thf(655,plain,
    ! [SV58: $i,SV112: $i] :
      ( ( ( ~ ( ssItem @ SV112 )
          | ! [SY377: $i] :
              ( ~ ( ssItem @ SY377 )
              | ~ ~ ( ~ ( gt @ SV58 @ SV112 )
                    | ~ ( gt @ SV112 @ SY377 ) )
              | ( gt @ SV58 @ SY377 ) ) )
        = $true )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[587]) ).

thf(656,plain,
    ! [SV59: $i,SV113: $i] :
      ( ( ( ~ ( ssItem @ SV113 )
          | ~ ( lt @ SV59 @ SV113 )
          | ~ ( lt @ SV113 @ SV59 ) )
        = $true )
      | ( ( ssItem @ SV59 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[588]) ).

thf(657,plain,
    ! [SV60: $i,SV114: $i] :
      ( ( ( ~ ( ssList @ SV114 )
          | ( ssList @ ( app @ SV60 @ SV114 ) ) )
        = $true )
      | ( ( ssList @ SV60 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[589]) ).

thf(658,plain,
    ! [SV62: $i,SV115: $i] :
      ( ( ( ~ ( ssList @ SV115 )
          | ! [SY378: $i] :
              ( ~ ( ssList @ SY378 )
              | ~ ~ ( ~ ( segmentP @ SV62 @ SV115 )
                    | ~ ( segmentP @ SV115 @ SY378 ) )
              | ( segmentP @ SV62 @ SY378 ) ) )
        = $true )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[591]) ).

thf(659,plain,
    ! [SV63: $i,SV116: $i] :
      ( ( ( ~ ( ssItem @ SV116 )
          | ( ( hd @ ( cons @ SV116 @ SV63 ) )
            = SV116 ) )
        = $true )
      | ( ( ssList @ SV63 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[592]) ).

thf(660,plain,
    ! [SV64: $i] :
      ( ( ( ~ ( ( nil != SV64 ) ) )
        = $true )
      | ( ( ~ ! [SY311: $i] :
                ~ ~ ( ~ ( ssItem @ SY311 )
                    | ( ( hd @ SV64 )
                     != SY311 ) ) )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[593]) ).

thf(661,plain,
    ! [SV65: $i,SV117: $i] :
      ( ( ( ~ ( ssList @ SV117 )
          | ! [SY379: $i] :
              ( ~ ( ssList @ SY379 )
              | ( ( app @ SY379 @ SV117 )
               != ( app @ SV65 @ SV117 ) )
              | ( SY379 = SV65 ) ) )
        = $true )
      | ( ( ssList @ SV65 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[594]) ).

thf(662,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ~ ( cyclefreeP @ SV66 )
              | ! [SY314: $i] :
                  ( ~ ( ssItem @ SY314 )
                  | ! [SY315: $i] :
                      ( ~ ( ssItem @ SY315 )
                      | ! [SY316: $i] :
                          ( ~ ( ssList @ SY316 )
                          | ! [SY317: $i] :
                              ( ~ ( ssList @ SY317 )
                              | ! [SY318: $i] :
                                  ( ~ ( ssList @ SY318 )
                                  | ( ( app @ ( app @ SY316 @ ( cons @ SY314 @ SY317 ) ) @ ( cons @ SY315 @ SY318 ) )
                                   != SV66 )
                                  | ~ ~ ( ~ ( leq @ SY314 @ SY315 )
                                        | ~ ( leq @ SY315 @ SY314 ) ) ) ) ) ) ) )
          | ~ ( ~ ! [SY319: $i] :
                    ( ~ ( ssItem @ SY319 )
                    | ! [SY320: $i] :
                        ( ~ ( ssItem @ SY320 )
                        | ! [SY321: $i] :
                            ( ~ ( ssList @ SY321 )
                            | ! [SY322: $i] :
                                ( ~ ( ssList @ SY322 )
                                | ! [SY323: $i] :
                                    ( ~ ( ssList @ SY323 )
                                    | ( ( app @ ( app @ SY321 @ ( cons @ SY319 @ SY322 ) ) @ ( cons @ SY320 @ SY323 ) )
                                     != SV66 )
                                    | ~ ~ ( ~ ( leq @ SY319 @ SY320 )
                                          | ~ ( leq @ SY320 @ SY319 ) ) ) ) ) ) )
              | ( cyclefreeP @ SV66 ) ) )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[595]) ).

thf(663,plain,
    ! [SV67: $i] :
      ( ( ( memberP @ nil @ SV67 )
        = $false )
      | ( ( ssItem @ SV67 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[596]) ).

thf(664,plain,
    ! [SV68: $i] :
      ( ( ( ~ ( ( nil != SV68 ) ) )
        = $true )
      | ( ( ssItem @ ( hd @ SV68 ) )
        = $true )
      | ( ( ssList @ SV68 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[597]) ).

thf(665,plain,
    ! [SV69: $i,SV118: $i] :
      ( ( ( ~ ( ssItem @ SV118 )
          | ~ ( gt @ SV69 @ SV118 )
          | ~ ( gt @ SV118 @ SV69 ) )
        = $true )
      | ( ( ssItem @ SV69 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[598]) ).

thf(666,plain,
    ! [SV72: $i,SV119: $i] :
      ( ( ( ~ ( ssList @ SV119 )
          | ! [SY380: $i] :
              ( ~ ( ssList @ SY380 )
              | ~ ( frontsegP @ SV72 @ SV119 )
              | ( frontsegP @ ( app @ SV72 @ SY380 ) @ SV119 ) ) )
        = $true )
      | ( ( ssList @ SV72 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[601]) ).

thf(667,plain,
    ! [SV73: $i,SV120: $i] :
      ( ( ( ~ ( ssList @ SV120 )
          | ~ ~ ( ~ ( segmentP @ SV73 @ SV120 )
                | ~ ( segmentP @ SV120 @ SV73 ) )
          | ( SV73 = SV120 ) )
        = $true )
      | ( ( ssList @ SV73 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[602]) ).

thf(668,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( ~ ( segmentP @ nil @ SV74 )
              | ( nil = SV74 ) )
          | ~ ( ( nil != SV74 )
              | ( segmentP @ nil @ SV74 ) ) )
        = $false )
      | ( ( ssList @ SV74 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[603]) ).

thf(669,plain,
    ! [SV75: $i,SV121: $i] :
      ( ( ( ~ ( ssList @ SV121 )
          | ! [SY381: $i] :
              ( ~ ( ssList @ SY381 )
              | ~ ~ ( ~ ( rearsegP @ SV75 @ SV121 )
                    | ~ ( rearsegP @ SV121 @ SY381 ) )
              | ( rearsegP @ SV75 @ SY381 ) ) )
        = $true )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[604]) ).

thf(670,plain,
    ! [SV76: $i,SV122: $i] :
      ( ( ( ~ ( ssItem @ SV122 )
          | ( ssList @ ( cons @ SV122 @ SV76 ) ) )
        = $true )
      | ( ( ssList @ SV76 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[605]) ).

thf(671,plain,
    ! [SV77: $i,SV123: $i] :
      ( ( ( ~ ( ssItem @ SV123 )
          | ~ ( ~ ( ~ ( geq @ SV77 @ SV123 )
                  | ( leq @ SV123 @ SV77 ) )
              | ~ ( ~ ( leq @ SV123 @ SV77 )
                  | ( geq @ SV77 @ SV123 ) ) ) )
        = $true )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[606]) ).

thf(672,plain,
    ! [SV78: $i,SV124: $i] :
      ( ( ( ~ ( ssItem @ SV124 )
          | ~ ~ ( ~ ( geq @ SV78 @ SV124 )
                | ~ ( geq @ SV124 @ SV78 ) )
          | ( SV78 = SV124 ) )
        = $true )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[607]) ).

thf(673,plain,
    ! [SV79: $i,SV125: $i] :
      ( ( ( ~ ( ssItem @ SV125 )
          | ! [SY382: $i] :
              ( ~ ( ssItem @ SY382 )
              | ~ ~ ( ~ ( leq @ SV79 @ SV125 )
                    | ~ ( leq @ SV125 @ SY382 ) )
              | ( leq @ SV79 @ SY382 ) ) )
        = $true )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[608]) ).

thf(674,plain,
    ! [SV1: $i,SV80: $i] :
      ( ( ( ~ ( ssList @ SV80 ) )
        = $true )
      | ( ( ! [SY343: $i] :
              ( ~ ( ssList @ SY343 )
              | ~ ( rearsegP @ SV1 @ SV80 )
              | ( rearsegP @ ( app @ SY343 @ SV1 ) @ SV80 ) ) )
        = $true )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[609]) ).

thf(675,plain,
    ! [SV2: $i] :
      ( ( ( nil != SV2 )
        = $false )
      | ( ( ~ ! [SY203: $i] :
                ~ ~ ( ~ ( ssList @ SY203 )
                    | ( ( tl @ SV2 )
                     != SY203 ) ) )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[610]) ).

thf(676,plain,
    ! [SV3: $i,SV81: $i] :
      ( ( ( ~ ( ssItem @ SV81 ) )
        = $true )
      | ( ( ! [SY344: $i] :
              ( ~ ( ssList @ SY344 )
              | ! [SY345: $i] :
                  ( ~ ( ssList @ SY345 )
                  | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SY344 ) @ ( cons @ SV81 @ SY345 ) )
                          | ~ ( ( SV3 != SV81 )
                              | ~ ( frontsegP @ SY344 @ SY345 ) ) )
                      | ~ ( ~ ~ ( ( SV3 != SV81 )
                                | ~ ( frontsegP @ SY344 @ SY345 ) )
                          | ( frontsegP @ ( cons @ SV3 @ SY344 ) @ ( cons @ SV81 @ SY345 ) ) ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[611]) ).

thf(677,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ( ssList @ SV82 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( segmentP @ SV4 @ SV82 )
                  | ~ ! [SY346: $i] :
                        ~ ~ ( ~ ( ssList @ SY346 )
                            | ~ ~ ! [SY347: $i] :
                                    ~ ~ ( ~ ( ssList @ SY347 )
                                        | ( ( app @ ( app @ SY346 @ SV82 ) @ SY347 )
                                         != SV4 ) ) ) )
              | ~ ( ~ ~ ! [SY348: $i] :
                          ~ ~ ( ~ ( ssList @ SY348 )
                              | ~ ~ ! [SY349: $i] :
                                      ~ ~ ( ~ ( ssList @ SY349 )
                                          | ( ( app @ ( app @ SY348 @ SV82 ) @ SY349 )
                                           != SV4 ) ) )
                  | ( segmentP @ SV4 @ SV82 ) ) ) )
        = $true )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[612]) ).

thf(678,plain,
    ! [SV5: $i,SV83: $i] :
      ( ( ( ~ ( ssList @ SV83 ) )
        = $true )
      | ( ( ! [SY350: $i] :
              ( ~ ( ssList @ SY350 )
              | ( ( app @ SV83 @ SY350 )
               != ( app @ SV83 @ SV5 ) )
              | ( SY350 = SV5 ) ) )
        = $true )
      | ( ( ssList @ SV5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[613]) ).

thf(679,plain,
    ( ( ~ ( ssList @ sK4_SY335 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[615]) ).

thf(680,plain,
    ( ( ! [SY351: $i] :
          ( ~ ( ssList @ SY351 )
          | ( nil != sK2_SX0 )
          | ( sK2_SX0 != SY351 )
          | ( sK1_U != sK4_SY335 )
          | ( nil = sK1_U )
          | ! [SY352: $i] :
              ( ~ ( ssList @ SY352 )
              | ( ( app @ sK4_SY335 @ SY352 )
               != SY351 )
              | ~ ( totalorderedP @ sK4_SY335 )
              | ~ ! [SY353: $i] :
                    ~ ~ ( ~ ( ssItem @ SY353 )
                        | ~ ~ ! [SY354: $i] :
                                ~ ~ ( ~ ~ ( ~ ( ssList @ SY354 )
                                          | ( ( app @ ( cons @ SY353 @ nil ) @ SY354 )
                                           != SY352 ) )
                                    | ~ ~ ! [SY355: $i] :
                                            ~ ~ ( ~ ( ssItem @ SY355 )
                                                | ~ ~ ! [SY356: $i] :
                                                        ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                                  | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                                   != sK4_SY335 ) )
                                                            | ~ ( leq @ SY355 @ SY353 ) ) ) ) ) )
          | ~ ( ~ ( ( nil != SY351 ) )
              | ( nil != sK4_SY335 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[615]) ).

thf(681,plain,
    ! [SV7: $i,SV84: $i] :
      ( ( ( ~ ( ssList @ SV84 ) )
        = $true )
      | ( ( ! [SY357: $i] :
              ( ~ ( ssList @ SY357 )
              | ( ( app @ ( app @ SV7 @ SV84 ) @ SY357 )
                = ( app @ SV7 @ ( app @ SV84 @ SY357 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV7 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[616]) ).

thf(682,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ssList @ SV85 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
                  | ( nil = SV85 )
                  | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                            | ~ ( totalorderedP @ SV85 ) )
                      | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
              | ~ ( ~ ( ( nil = SV85 )
                      | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                                | ~ ( totalorderedP @ SV85 ) )
                          | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
                  | ( totalorderedP @ ( cons @ SV8 @ SV85 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[617]) ).

thf(683,plain,
    ! [SV9: $i,SV86: $i] :
      ( ( ( ~ ( ssItem @ SV86 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( lt @ SV9 @ SV86 )
                  | ~ ( ~ ( ( SV9 != SV86 ) )
                      | ~ ( leq @ SV9 @ SV86 ) ) )
              | ~ ( ~ ~ ( ~ ( ( SV9 != SV86 ) )
                        | ~ ( leq @ SV9 @ SV86 ) )
                  | ( lt @ SV9 @ SV86 ) ) ) )
        = $true )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[618]) ).

thf(684,plain,
    ! [SV10: $i,SV87: $i] :
      ( ( ( ~ ( ssItem @ SV87 ) )
        = $true )
      | ( ( ! [SY358: $i] :
              ( ~ ( ssItem @ SY358 )
              | ~ ~ ( ~ ( lt @ SV10 @ SV87 )
                    | ~ ( lt @ SV87 @ SY358 ) )
              | ( lt @ SV10 @ SY358 ) ) )
        = $true )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[619]) ).

thf(685,plain,
    ( ( ~ ( ssItem @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[620]) ).

thf(686,plain,
    ( ( ~ ~ ! [SY342: $i] :
              ~ ~ ( ~ ( ssItem @ SY342 )
                  | ~ ( ( sK3_SX0 != SY342 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[620]) ).

thf(687,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( ~ ( ssList @ SV88 ) )
        = $true )
      | ( ( ~ ( ~ ( ( nil
                   != ( app @ SV11 @ SV88 ) )
                  | ~ ( ( nil != SV88 )
                      | ( nil != SV11 ) ) )
              | ~ ( ~ ~ ( ( nil != SV88 )
                        | ( nil != SV11 ) )
                  | ( nil
                    = ( app @ SV11 @ SV88 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[621]) ).

thf(688,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ~ ( duplicatefreeP @ SV13 )
              | ! [SY221: $i] :
                  ( ~ ( ssItem @ SY221 )
                  | ! [SY222: $i] :
                      ( ~ ( ssItem @ SY222 )
                      | ! [SY223: $i] :
                          ( ~ ( ssList @ SY223 )
                          | ! [SY224: $i] :
                              ( ~ ( ssList @ SY224 )
                              | ! [SY225: $i] :
                                  ( ~ ( ssList @ SY225 )
                                  | ( ( app @ ( app @ SY223 @ ( cons @ SY221 @ SY224 ) ) @ ( cons @ SY222 @ SY225 ) )
                                   != SV13 )
                                  | ( SY221 != SY222 ) ) ) ) ) ) ) )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[622]) ).

thf(689,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ~ ! [SY226: $i] :
                    ( ~ ( ssItem @ SY226 )
                    | ! [SY227: $i] :
                        ( ~ ( ssItem @ SY227 )
                        | ! [SY228: $i] :
                            ( ~ ( ssList @ SY228 )
                            | ! [SY229: $i] :
                                ( ~ ( ssList @ SY229 )
                                | ! [SY230: $i] :
                                    ( ~ ( ssList @ SY230 )
                                    | ( ( app @ ( app @ SY228 @ ( cons @ SY226 @ SY229 ) ) @ ( cons @ SY227 @ SY230 ) )
                                     != SV13 )
                                    | ( SY226 != SY227 ) ) ) ) ) )
              | ( duplicatefreeP @ SV13 ) ) )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[622]) ).

thf(690,plain,
    ! [SV14: $i,SV89: $i] :
      ( ( ( ~ ( ssItem @ SV89 ) )
        = $true )
      | ( ( ( tl @ ( cons @ SV89 @ SV14 ) )
          = SV14 )
        = $true )
      | ( ( ssList @ SV14 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[623]) ).

thf(691,plain,
    ! [SV15: $i,SV90: $i] :
      ( ( ( ~ ( ssList @ SV90 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( rearsegP @ SV15 @ SV90 )
                  | ~ ! [SY359: $i] :
                        ~ ~ ( ~ ( ssList @ SY359 )
                            | ( ( app @ SY359 @ SV90 )
                             != SV15 ) ) )
              | ~ ( ~ ~ ! [SY360: $i] :
                          ~ ~ ( ~ ( ssList @ SY360 )
                              | ( ( app @ SY360 @ SV90 )
                               != SV15 ) )
                  | ( rearsegP @ SV15 @ SV90 ) ) ) )
        = $true )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[624]) ).

thf(692,plain,
    ! [SV16: $i,SV91: $i] :
      ( ( ( ~ ( ssList @ SV91 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( rearsegP @ SV16 @ SV91 )
                | ~ ( rearsegP @ SV91 @ SV16 ) )
          | ( SV16 = SV91 ) )
        = $true )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[625]) ).

thf(693,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ~ ( equalelemsP @ SV17 )
              | ! [SY236: $i] :
                  ( ~ ( ssItem @ SY236 )
                  | ! [SY237: $i] :
                      ( ~ ( ssItem @ SY237 )
                      | ! [SY238: $i] :
                          ( ~ ( ssList @ SY238 )
                          | ! [SY239: $i] :
                              ( ~ ( ssList @ SY239 )
                              | ( ( app @ SY238 @ ( cons @ SY236 @ ( cons @ SY237 @ SY239 ) ) )
                               != SV17 )
                              | ( SY236 = SY237 ) ) ) ) ) ) )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[626]) ).

thf(694,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ~ ! [SY240: $i] :
                    ( ~ ( ssItem @ SY240 )
                    | ! [SY241: $i] :
                        ( ~ ( ssItem @ SY241 )
                        | ! [SY242: $i] :
                            ( ~ ( ssList @ SY242 )
                            | ! [SY243: $i] :
                                ( ~ ( ssList @ SY243 )
                                | ( ( app @ SY242 @ ( cons @ SY240 @ ( cons @ SY241 @ SY243 ) ) )
                                 != SV17 )
                                | ( SY240 = SY241 ) ) ) ) )
              | ( equalelemsP @ SV17 ) ) )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[626]) ).

thf(695,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ~ ( totalorderedP @ SV18 )
              | ! [SY244: $i] :
                  ( ~ ( ssItem @ SY244 )
                  | ! [SY245: $i] :
                      ( ~ ( ssItem @ SY245 )
                      | ! [SY246: $i] :
                          ( ~ ( ssList @ SY246 )
                          | ! [SY247: $i] :
                              ( ~ ( ssList @ SY247 )
                              | ! [SY248: $i] :
                                  ( ~ ( ssList @ SY248 )
                                  | ( ( app @ ( app @ SY246 @ ( cons @ SY244 @ SY247 ) ) @ ( cons @ SY245 @ SY248 ) )
                                   != SV18 )
                                  | ( leq @ SY244 @ SY245 ) ) ) ) ) ) ) )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[627]) ).

thf(696,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ~ ! [SY249: $i] :
                    ( ~ ( ssItem @ SY249 )
                    | ! [SY250: $i] :
                        ( ~ ( ssItem @ SY250 )
                        | ! [SY251: $i] :
                            ( ~ ( ssList @ SY251 )
                            | ! [SY252: $i] :
                                ( ~ ( ssList @ SY252 )
                                | ! [SY253: $i] :
                                    ( ~ ( ssList @ SY253 )
                                    | ( ( app @ ( app @ SY251 @ ( cons @ SY249 @ SY252 ) ) @ ( cons @ SY250 @ SY253 ) )
                                     != SV18 )
                                    | ( leq @ SY249 @ SY250 ) ) ) ) ) )
              | ( totalorderedP @ SV18 ) ) )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[627]) ).

thf(697,plain,
    ! [SV19: $i,SV92: $i] :
      ( ( ( ~ ( ssItem @ SV92 ) )
        = $true )
      | ( ( ( cons @ SV92 @ SV19 )
          = ( app @ ( cons @ SV92 @ nil ) @ SV19 ) )
        = $true )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[628]) ).

thf(698,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ~ ( totalorderP @ SV20 )
              | ! [SY255: $i] :
                  ( ~ ( ssItem @ SY255 )
                  | ! [SY256: $i] :
                      ( ~ ( ssItem @ SY256 )
                      | ! [SY257: $i] :
                          ( ~ ( ssList @ SY257 )
                          | ! [SY258: $i] :
                              ( ~ ( ssList @ SY258 )
                              | ! [SY259: $i] :
                                  ( ~ ( ssList @ SY259 )
                                  | ( ( app @ ( app @ SY257 @ ( cons @ SY255 @ SY258 ) ) @ ( cons @ SY256 @ SY259 ) )
                                   != SV20 )
                                  | ( leq @ SY255 @ SY256 )
                                  | ( leq @ SY256 @ SY255 ) ) ) ) ) ) ) )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[629]) ).

thf(699,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ~ ! [SY260: $i] :
                    ( ~ ( ssItem @ SY260 )
                    | ! [SY261: $i] :
                        ( ~ ( ssItem @ SY261 )
                        | ! [SY262: $i] :
                            ( ~ ( ssList @ SY262 )
                            | ! [SY263: $i] :
                                ( ~ ( ssList @ SY263 )
                                | ! [SY264: $i] :
                                    ( ~ ( ssList @ SY264 )
                                    | ( ( app @ ( app @ SY262 @ ( cons @ SY260 @ SY263 ) ) @ ( cons @ SY261 @ SY264 ) )
                                     != SV20 )
                                    | ( leq @ SY260 @ SY261 )
                                    | ( leq @ SY261 @ SY260 ) ) ) ) ) )
              | ( totalorderP @ SV20 ) ) )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[629]) ).

thf(700,plain,
    ! [SV21: $i,SV93: $i] :
      ( ( ( ~ ( ssItem @ SV93 ) )
        = $true )
      | ( ( ( cons @ SV93 @ SV21 )
         != SV21 )
        = $true )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[630]) ).

thf(701,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ( ssItem @ SV94 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( memberP @ SV24 @ SV94 )
                  | ~ ! [SY361: $i] :
                        ~ ~ ( ~ ( ssList @ SY361 )
                            | ~ ~ ! [SY362: $i] :
                                    ~ ~ ( ~ ( ssList @ SY362 )
                                        | ( ( app @ SY361 @ ( cons @ SV94 @ SY362 ) )
                                         != SV24 ) ) ) )
              | ~ ( ~ ~ ! [SY363: $i] :
                          ~ ~ ( ~ ( ssList @ SY363 )
                              | ~ ~ ! [SY364: $i] :
                                      ~ ~ ( ~ ( ssList @ SY364 )
                                          | ( ( app @ SY363 @ ( cons @ SV94 @ SY364 ) )
                                           != SV24 ) ) )
                  | ( memberP @ SV24 @ SV94 ) ) ) )
        = $true )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[631]) ).

thf(702,plain,
    ! [SV26: $i,SV95: $i] :
      ( ( ( ~ ( ssList @ SV95 ) )
        = $true )
      | ( ( ! [SY365: $i] :
              ( ~ ( ssList @ SY365 )
              | ! [SY366: $i] :
                  ( ~ ( ssList @ SY366 )
                  | ~ ( segmentP @ SV26 @ SV95 )
                  | ( segmentP @ ( app @ ( app @ SY365 @ SV26 ) @ SY366 ) @ SV95 ) ) ) )
        = $true )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[632]) ).

thf(703,plain,
    ! [SV27: $i,SV96: $i] :
      ( ( ( ~ ( ssList @ SV96 ) )
        = $true )
      | ( ( ! [SY367: $i] :
              ( ~ ( ssItem @ SY367 )
              | ! [SY368: $i] :
                  ( ~ ( ssItem @ SY368 )
                  | ( ( cons @ SY367 @ SV27 )
                   != ( cons @ SY368 @ SV96 ) )
                  | ~ ( ( SY367 != SY368 )
                      | ( SV96 != SV27 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[633]) ).

thf(704,plain,
    ! [SV29: $i,SV97: $i] :
      ( ( ( ~ ( ssList @ SV97 ) )
        = $true )
      | ( ( ! [SY369: $i] :
              ( ~ ( ssList @ SY369 )
              | ~ ~ ( ~ ( frontsegP @ SV29 @ SV97 )
                    | ~ ( frontsegP @ SV97 @ SY369 ) )
              | ( frontsegP @ SV29 @ SY369 ) ) )
        = $true )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[634]) ).

thf(705,plain,
    ! [SV30: $i,SV98: $i] :
      ( ( ( ~ ( ssList @ SV98 ) )
        = $true )
      | ( ( ~ ( ( nil != SV30 ) )
          | ( ( tl @ ( app @ SV30 @ SV98 ) )
            = ( app @ ( tl @ SV30 ) @ SV98 ) ) )
        = $true )
      | ( ( ssList @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[635]) ).

thf(706,plain,
    ! [SV31: $i,SV99: $i] :
      ( ( ( ~ ( ssItem @ SV99 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( neq @ SV31 @ SV99 )
                  | ( SV31 != SV99 ) )
              | ~ ( ~ ( ( SV31 != SV99 ) )
                  | ( neq @ SV31 @ SV99 ) ) ) )
        = $true )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[636]) ).

thf(707,plain,
    ! [SV32: $i,SV100: $i] :
      ( ( ( ~ ( ssItem @ SV100 ) )
        = $true )
      | ( ( ! [SY370: $i] :
              ( ~ ( ssList @ SY370 )
              | ~ ( ~ ( ~ ( memberP @ ( cons @ SV100 @ SY370 ) @ SV32 )
                      | ( SV32 = SV100 )
                      | ( memberP @ SY370 @ SV32 ) )
                  | ~ ( ~ ( ( SV32 = SV100 )
                          | ( memberP @ SY370 @ SV32 ) )
                      | ( memberP @ ( cons @ SV100 @ SY370 ) @ SV32 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[637]) ).

thf(708,plain,
    ! [SV33: $i] :
      ( ( ( nil != SV33 )
        = $false )
      | ( ( ssList @ ( tl @ SV33 ) )
        = $true )
      | ( ( ssList @ SV33 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[638]) ).

thf(709,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( ~ ( singletonP @ SV34 )
              | ~ ! [SY283: $i] :
                    ~ ~ ( ~ ( ssItem @ SY283 )
                        | ( ( cons @ SY283 @ nil )
                         != SV34 ) ) ) )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[639]) ).

thf(710,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( ~ ~ ! [SY284: $i] :
                      ~ ~ ( ~ ( ssItem @ SY284 )
                          | ( ( cons @ SY284 @ nil )
                           != SV34 ) )
              | ( singletonP @ SV34 ) ) )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[639]) ).

thf(711,plain,
    ! [SV35: $i,SV101: $i] :
      ( ( ( ~ ( ssList @ SV101 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( neq @ SV35 @ SV101 )
                  | ( SV35 != SV101 ) )
              | ~ ( ~ ( ( SV35 != SV101 ) )
                  | ( neq @ SV35 @ SV101 ) ) ) )
        = $true )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[640]) ).

thf(712,plain,
    ! [SV36: $i,SV102: $i] :
      ( ( ( ~ ( ssList @ SV102 ) )
        = $true )
      | ( ( ! [SY371: $i] :
              ( ~ ( ssItem @ SY371 )
              | ( ( cons @ SY371 @ ( app @ SV102 @ SV36 ) )
                = ( app @ ( cons @ SY371 @ SV102 ) @ SV36 ) ) ) )
        = $true )
      | ( ( ssList @ SV36 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[641]) ).

thf(713,plain,
    ! [SV40: $i,SV103: $i] :
      ( ( ( ~ ( ssList @ SV103 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( frontsegP @ SV40 @ SV103 )
                | ~ ( frontsegP @ SV103 @ SV40 ) )
          | ( SV40 = SV103 ) )
        = $true )
      | ( ( ssList @ SV40 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[643]) ).

thf(714,plain,
    ! [SV43: $i,SV104: $i] :
      ( ( ( ~ ( ssItem @ SV104 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( leq @ SV43 @ SV104 )
                | ~ ( leq @ SV104 @ SV43 ) )
          | ( SV43 = SV104 ) )
        = $true )
      | ( ( ssItem @ SV43 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[644]) ).

thf(715,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ nil @ SV44 )
              | ( nil = SV44 ) ) )
        = $false )
      | ( ( ssList @ SV44 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[645]) ).

thf(716,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( ( nil != SV44 )
              | ( rearsegP @ nil @ SV44 ) ) )
        = $false )
      | ( ( ssList @ SV44 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[645]) ).

thf(717,plain,
    ! [SV45: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ nil @ SV45 )
              | ( nil = SV45 ) ) )
        = $false )
      | ( ( ssList @ SV45 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[646]) ).

thf(718,plain,
    ! [SV45: $i] :
      ( ( ( ~ ( ( nil != SV45 )
              | ( frontsegP @ nil @ SV45 ) ) )
        = $false )
      | ( ( ssList @ SV45 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[646]) ).

thf(719,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ~ ( ssList @ SV105 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ SV47 @ SV105 )
                  | ~ ! [SY372: $i] :
                        ~ ~ ( ~ ( ssList @ SY372 )
                            | ( ( app @ SV105 @ SY372 )
                             != SV47 ) ) )
              | ~ ( ~ ~ ! [SY373: $i] :
                          ~ ~ ( ~ ( ssList @ SY373 )
                              | ( ( app @ SV105 @ SY373 )
                               != SV47 ) )
                  | ( frontsegP @ SV47 @ SV105 ) ) ) )
        = $true )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[647]) ).

thf(720,plain,
    ! [SV48: $i,SV106: $i] :
      ( ( ( ~ ( ssItem @ SV106 ) )
        = $true )
      | ( ( nil
         != ( cons @ SV106 @ SV48 ) )
        = $true )
      | ( ( ssList @ SV48 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[648]) ).

thf(721,plain,
    ! [SV51: $i,SV107: $i] :
      ( ( ( ~ ( ssItem @ SV107 ) )
        = $true )
      | ( ( ! [SY374: $i] :
              ( ~ ( ssItem @ SY374 )
              | ~ ~ ( ~ ( geq @ SV51 @ SV107 )
                    | ~ ( geq @ SV107 @ SY374 ) )
              | ( geq @ SV51 @ SY374 ) ) )
        = $true )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[649]) ).

thf(722,plain,
    ! [SV52: $i] :
      ( ( ( ! [SY296: $i] :
              ~ ~ ( ~ ( ssList @ SY296 )
                  | ~ ~ ! [SY297: $i] :
                          ~ ~ ( ~ ( ssItem @ SY297 )
                              | ( ( cons @ SY297 @ SY296 )
                               != SV52 ) ) ) )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[650]) ).

thf(723,plain,
    ! [SV53: $i,SV108: $i] :
      ( ( ( ~ ( ssList @ SV108 ) )
        = $true )
      | ( ( ~ ( ( nil != SV53 ) )
          | ( ( hd @ ( app @ SV53 @ SV108 ) )
            = ( hd @ SV53 ) ) )
        = $true )
      | ( ( ssList @ SV53 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[651]) ).

thf(724,plain,
    ! [SV55: $i,SV109: $i] :
      ( ( ( ~ ( ssItem @ SV109 ) )
        = $true )
      | ( ( ~ ( leq @ SV55 @ SV109 )
          | ( SV55 = SV109 )
          | ( lt @ SV55 @ SV109 ) )
        = $true )
      | ( ( ssItem @ SV55 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[652]) ).

thf(725,plain,
    ! [SV56: $i,SV110: $i] :
      ( ( ( ~ ( ssList @ SV110 ) )
        = $true )
      | ( ( ! [SY375: $i] :
              ( ~ ( ssList @ SY375 )
              | ~ ( ~ ( ~ ( memberP @ ( app @ SV110 @ SY375 ) @ SV56 )
                      | ( memberP @ SV110 @ SV56 )
                      | ( memberP @ SY375 @ SV56 ) )
                  | ~ ( ~ ( ( memberP @ SV110 @ SV56 )
                          | ( memberP @ SY375 @ SV56 ) )
                      | ( memberP @ ( app @ SV110 @ SY375 ) @ SV56 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[653]) ).

thf(726,plain,
    ! [SV57: $i,SV111: $i] :
      ( ( ( ~ ( ssItem @ SV111 ) )
        = $true )
      | ( ( ! [SY376: $i] :
              ( ~ ( ssItem @ SY376 )
              | ~ ~ ( ~ ( leq @ SV57 @ SV111 )
                    | ~ ( lt @ SV111 @ SY376 ) )
              | ( lt @ SV57 @ SY376 ) ) )
        = $true )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[654]) ).

thf(727,plain,
    ! [SV58: $i,SV112: $i] :
      ( ( ( ~ ( ssItem @ SV112 ) )
        = $true )
      | ( ( ! [SY377: $i] :
              ( ~ ( ssItem @ SY377 )
              | ~ ~ ( ~ ( gt @ SV58 @ SV112 )
                    | ~ ( gt @ SV112 @ SY377 ) )
              | ( gt @ SV58 @ SY377 ) ) )
        = $true )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[655]) ).

thf(728,plain,
    ! [SV59: $i,SV113: $i] :
      ( ( ( ~ ( ssItem @ SV113 ) )
        = $true )
      | ( ( ~ ( lt @ SV59 @ SV113 )
          | ~ ( lt @ SV113 @ SV59 ) )
        = $true )
      | ( ( ssItem @ SV59 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[656]) ).

thf(729,plain,
    ! [SV60: $i,SV114: $i] :
      ( ( ( ~ ( ssList @ SV114 ) )
        = $true )
      | ( ( ssList @ ( app @ SV60 @ SV114 ) )
        = $true )
      | ( ( ssList @ SV60 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[657]) ).

thf(730,plain,
    ! [SV62: $i,SV115: $i] :
      ( ( ( ~ ( ssList @ SV115 ) )
        = $true )
      | ( ( ! [SY378: $i] :
              ( ~ ( ssList @ SY378 )
              | ~ ~ ( ~ ( segmentP @ SV62 @ SV115 )
                    | ~ ( segmentP @ SV115 @ SY378 ) )
              | ( segmentP @ SV62 @ SY378 ) ) )
        = $true )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[658]) ).

thf(731,plain,
    ! [SV63: $i,SV116: $i] :
      ( ( ( ~ ( ssItem @ SV116 ) )
        = $true )
      | ( ( ( hd @ ( cons @ SV116 @ SV63 ) )
          = SV116 )
        = $true )
      | ( ( ssList @ SV63 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[659]) ).

thf(732,plain,
    ! [SV64: $i] :
      ( ( ( nil != SV64 )
        = $false )
      | ( ( ~ ! [SY311: $i] :
                ~ ~ ( ~ ( ssItem @ SY311 )
                    | ( ( hd @ SV64 )
                     != SY311 ) ) )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[660]) ).

thf(733,plain,
    ! [SV65: $i,SV117: $i] :
      ( ( ( ~ ( ssList @ SV117 ) )
        = $true )
      | ( ( ! [SY379: $i] :
              ( ~ ( ssList @ SY379 )
              | ( ( app @ SY379 @ SV117 )
               != ( app @ SV65 @ SV117 ) )
              | ( SY379 = SV65 ) ) )
        = $true )
      | ( ( ssList @ SV65 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[661]) ).

thf(734,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ~ ( cyclefreeP @ SV66 )
              | ! [SY314: $i] :
                  ( ~ ( ssItem @ SY314 )
                  | ! [SY315: $i] :
                      ( ~ ( ssItem @ SY315 )
                      | ! [SY316: $i] :
                          ( ~ ( ssList @ SY316 )
                          | ! [SY317: $i] :
                              ( ~ ( ssList @ SY317 )
                              | ! [SY318: $i] :
                                  ( ~ ( ssList @ SY318 )
                                  | ( ( app @ ( app @ SY316 @ ( cons @ SY314 @ SY317 ) ) @ ( cons @ SY315 @ SY318 ) )
                                   != SV66 )
                                  | ~ ~ ( ~ ( leq @ SY314 @ SY315 )
                                        | ~ ( leq @ SY315 @ SY314 ) ) ) ) ) ) ) ) )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[662]) ).

thf(735,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ~ ! [SY319: $i] :
                    ( ~ ( ssItem @ SY319 )
                    | ! [SY320: $i] :
                        ( ~ ( ssItem @ SY320 )
                        | ! [SY321: $i] :
                            ( ~ ( ssList @ SY321 )
                            | ! [SY322: $i] :
                                ( ~ ( ssList @ SY322 )
                                | ! [SY323: $i] :
                                    ( ~ ( ssList @ SY323 )
                                    | ( ( app @ ( app @ SY321 @ ( cons @ SY319 @ SY322 ) ) @ ( cons @ SY320 @ SY323 ) )
                                     != SV66 )
                                    | ~ ~ ( ~ ( leq @ SY319 @ SY320 )
                                          | ~ ( leq @ SY320 @ SY319 ) ) ) ) ) ) )
              | ( cyclefreeP @ SV66 ) ) )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[662]) ).

thf(736,plain,
    ! [SV68: $i] :
      ( ( ( nil != SV68 )
        = $false )
      | ( ( ssItem @ ( hd @ SV68 ) )
        = $true )
      | ( ( ssList @ SV68 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[664]) ).

thf(737,plain,
    ! [SV69: $i,SV118: $i] :
      ( ( ( ~ ( ssItem @ SV118 ) )
        = $true )
      | ( ( ~ ( gt @ SV69 @ SV118 )
          | ~ ( gt @ SV118 @ SV69 ) )
        = $true )
      | ( ( ssItem @ SV69 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[665]) ).

thf(738,plain,
    ! [SV72: $i,SV119: $i] :
      ( ( ( ~ ( ssList @ SV119 ) )
        = $true )
      | ( ( ! [SY380: $i] :
              ( ~ ( ssList @ SY380 )
              | ~ ( frontsegP @ SV72 @ SV119 )
              | ( frontsegP @ ( app @ SV72 @ SY380 ) @ SV119 ) ) )
        = $true )
      | ( ( ssList @ SV72 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[666]) ).

thf(739,plain,
    ! [SV73: $i,SV120: $i] :
      ( ( ( ~ ( ssList @ SV120 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( segmentP @ SV73 @ SV120 )
                | ~ ( segmentP @ SV120 @ SV73 ) )
          | ( SV73 = SV120 ) )
        = $true )
      | ( ( ssList @ SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[667]) ).

thf(740,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( ~ ( segmentP @ nil @ SV74 )
              | ( nil = SV74 ) ) )
        = $false )
      | ( ( ssList @ SV74 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[668]) ).

thf(741,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( ( nil != SV74 )
              | ( segmentP @ nil @ SV74 ) ) )
        = $false )
      | ( ( ssList @ SV74 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[668]) ).

thf(742,plain,
    ! [SV75: $i,SV121: $i] :
      ( ( ( ~ ( ssList @ SV121 ) )
        = $true )
      | ( ( ! [SY381: $i] :
              ( ~ ( ssList @ SY381 )
              | ~ ~ ( ~ ( rearsegP @ SV75 @ SV121 )
                    | ~ ( rearsegP @ SV121 @ SY381 ) )
              | ( rearsegP @ SV75 @ SY381 ) ) )
        = $true )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[669]) ).

thf(743,plain,
    ! [SV76: $i,SV122: $i] :
      ( ( ( ~ ( ssItem @ SV122 ) )
        = $true )
      | ( ( ssList @ ( cons @ SV122 @ SV76 ) )
        = $true )
      | ( ( ssList @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[670]) ).

thf(744,plain,
    ! [SV77: $i,SV123: $i] :
      ( ( ( ~ ( ssItem @ SV123 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( geq @ SV77 @ SV123 )
                  | ( leq @ SV123 @ SV77 ) )
              | ~ ( ~ ( leq @ SV123 @ SV77 )
                  | ( geq @ SV77 @ SV123 ) ) ) )
        = $true )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[671]) ).

thf(745,plain,
    ! [SV78: $i,SV124: $i] :
      ( ( ( ~ ( ssItem @ SV124 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( geq @ SV78 @ SV124 )
                | ~ ( geq @ SV124 @ SV78 ) )
          | ( SV78 = SV124 ) )
        = $true )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[672]) ).

thf(746,plain,
    ! [SV79: $i,SV125: $i] :
      ( ( ( ~ ( ssItem @ SV125 ) )
        = $true )
      | ( ( ! [SY382: $i] :
              ( ~ ( ssItem @ SY382 )
              | ~ ~ ( ~ ( leq @ SV79 @ SV125 )
                    | ~ ( leq @ SV125 @ SY382 ) )
              | ( leq @ SV79 @ SY382 ) ) )
        = $true )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[673]) ).

thf(747,plain,
    ! [SV1: $i,SV80: $i] :
      ( ( ( ssList @ SV80 )
        = $false )
      | ( ( ! [SY343: $i] :
              ( ~ ( ssList @ SY343 )
              | ~ ( rearsegP @ SV1 @ SV80 )
              | ( rearsegP @ ( app @ SY343 @ SV1 ) @ SV80 ) ) )
        = $true )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[674]) ).

thf(748,plain,
    ! [SV2: $i] :
      ( ( ( nil = SV2 )
        = $true )
      | ( ( ~ ! [SY203: $i] :
                ~ ~ ( ~ ( ssList @ SY203 )
                    | ( ( tl @ SV2 )
                     != SY203 ) ) )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[675]) ).

thf(749,plain,
    ! [SV3: $i,SV81: $i] :
      ( ( ( ssItem @ SV81 )
        = $false )
      | ( ( ! [SY344: $i] :
              ( ~ ( ssList @ SY344 )
              | ! [SY345: $i] :
                  ( ~ ( ssList @ SY345 )
                  | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SY344 ) @ ( cons @ SV81 @ SY345 ) )
                          | ~ ( ( SV3 != SV81 )
                              | ~ ( frontsegP @ SY344 @ SY345 ) ) )
                      | ~ ( ~ ~ ( ( SV3 != SV81 )
                                | ~ ( frontsegP @ SY344 @ SY345 ) )
                          | ( frontsegP @ ( cons @ SV3 @ SY344 ) @ ( cons @ SV81 @ SY345 ) ) ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[676]) ).

thf(750,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ssList @ SV82 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( segmentP @ SV4 @ SV82 )
                  | ~ ! [SY346: $i] :
                        ~ ~ ( ~ ( ssList @ SY346 )
                            | ~ ~ ! [SY347: $i] :
                                    ~ ~ ( ~ ( ssList @ SY347 )
                                        | ( ( app @ ( app @ SY346 @ SV82 ) @ SY347 )
                                         != SV4 ) ) ) )
              | ~ ( ~ ~ ! [SY348: $i] :
                          ~ ~ ( ~ ( ssList @ SY348 )
                              | ~ ~ ! [SY349: $i] :
                                      ~ ~ ( ~ ( ssList @ SY349 )
                                          | ( ( app @ ( app @ SY348 @ SV82 ) @ SY349 )
                                           != SV4 ) ) )
                  | ( segmentP @ SV4 @ SV82 ) ) ) )
        = $true )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[677]) ).

thf(751,plain,
    ! [SV5: $i,SV83: $i] :
      ( ( ( ssList @ SV83 )
        = $false )
      | ( ( ! [SY350: $i] :
              ( ~ ( ssList @ SY350 )
              | ( ( app @ SV83 @ SY350 )
               != ( app @ SV83 @ SV5 ) )
              | ( SY350 = SV5 ) ) )
        = $true )
      | ( ( ssList @ SV5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[678]) ).

thf(752,plain,
    ( ( ssList @ sK4_SY335 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[679]) ).

thf(753,plain,
    ( ( ~ ( ssList @ sK5_SY351 )
      | ( nil != sK2_SX0 )
      | ( sK2_SX0 != sK5_SY351 )
      | ( sK1_U != sK4_SY335 )
      | ( nil = sK1_U )
      | ! [SY383: $i] :
          ( ~ ( ssList @ SY383 )
          | ( ( app @ sK4_SY335 @ SY383 )
           != sK5_SY351 )
          | ~ ( totalorderedP @ sK4_SY335 )
          | ~ ! [SY353: $i] :
                ~ ~ ( ~ ( ssItem @ SY353 )
                    | ~ ~ ! [SY354: $i] :
                            ~ ~ ( ~ ~ ( ~ ( ssList @ SY354 )
                                      | ( ( app @ ( cons @ SY353 @ nil ) @ SY354 )
                                       != SY383 ) )
                                | ~ ~ ! [SY355: $i] :
                                        ~ ~ ( ~ ( ssItem @ SY355 )
                                            | ~ ~ ! [SY356: $i] :
                                                    ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                              | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                               != sK4_SY335 ) )
                                                        | ~ ( leq @ SY355 @ SY353 ) ) ) ) ) )
      | ~ ( ~ ( ( nil != sK5_SY351 ) )
          | ( nil != sK4_SY335 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[680]) ).

thf(754,plain,
    ! [SV7: $i,SV84: $i] :
      ( ( ( ssList @ SV84 )
        = $false )
      | ( ( ! [SY357: $i] :
              ( ~ ( ssList @ SY357 )
              | ( ( app @ ( app @ SV7 @ SV84 ) @ SY357 )
                = ( app @ SV7 @ ( app @ SV84 @ SY357 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV7 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[681]) ).

thf(755,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ssList @ SV85 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
                  | ( nil = SV85 )
                  | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                            | ~ ( totalorderedP @ SV85 ) )
                      | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
              | ~ ( ~ ( ( nil = SV85 )
                      | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                                | ~ ( totalorderedP @ SV85 ) )
                          | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
                  | ( totalorderedP @ ( cons @ SV8 @ SV85 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[682]) ).

thf(756,plain,
    ! [SV9: $i,SV86: $i] :
      ( ( ( ssItem @ SV86 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( lt @ SV9 @ SV86 )
                  | ~ ( ~ ( ( SV9 != SV86 ) )
                      | ~ ( leq @ SV9 @ SV86 ) ) )
              | ~ ( ~ ~ ( ~ ( ( SV9 != SV86 ) )
                        | ~ ( leq @ SV9 @ SV86 ) )
                  | ( lt @ SV9 @ SV86 ) ) ) )
        = $true )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[683]) ).

thf(757,plain,
    ! [SV10: $i,SV87: $i] :
      ( ( ( ssItem @ SV87 )
        = $false )
      | ( ( ! [SY358: $i] :
              ( ~ ( ssItem @ SY358 )
              | ~ ~ ( ~ ( lt @ SV10 @ SV87 )
                    | ~ ( lt @ SV87 @ SY358 ) )
              | ( lt @ SV10 @ SY358 ) ) )
        = $true )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[684]) ).

thf(758,plain,
    ( ( ssItem @ sK3_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[685]) ).

thf(759,plain,
    ( ( ~ ! [SY342: $i] :
            ~ ~ ( ~ ( ssItem @ SY342 )
                | ~ ( ( sK3_SX0 != SY342 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[686]) ).

thf(760,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( ssList @ SV88 )
        = $false )
      | ( ( ~ ( ~ ( ( nil
                   != ( app @ SV11 @ SV88 ) )
                  | ~ ( ( nil != SV88 )
                      | ( nil != SV11 ) ) )
              | ~ ( ~ ~ ( ( nil != SV88 )
                        | ( nil != SV11 ) )
                  | ( nil
                    = ( app @ SV11 @ SV88 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[687]) ).

thf(761,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( duplicatefreeP @ SV13 )
          | ! [SY221: $i] :
              ( ~ ( ssItem @ SY221 )
              | ! [SY222: $i] :
                  ( ~ ( ssItem @ SY222 )
                  | ! [SY223: $i] :
                      ( ~ ( ssList @ SY223 )
                      | ! [SY224: $i] :
                          ( ~ ( ssList @ SY224 )
                          | ! [SY225: $i] :
                              ( ~ ( ssList @ SY225 )
                              | ( ( app @ ( app @ SY223 @ ( cons @ SY221 @ SY224 ) ) @ ( cons @ SY222 @ SY225 ) )
                               != SV13 )
                              | ( SY221 != SY222 ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[688]) ).

thf(762,plain,
    ! [SV13: $i] :
      ( ( ( ~ ! [SY226: $i] :
                ( ~ ( ssItem @ SY226 )
                | ! [SY227: $i] :
                    ( ~ ( ssItem @ SY227 )
                    | ! [SY228: $i] :
                        ( ~ ( ssList @ SY228 )
                        | ! [SY229: $i] :
                            ( ~ ( ssList @ SY229 )
                            | ! [SY230: $i] :
                                ( ~ ( ssList @ SY230 )
                                | ( ( app @ ( app @ SY228 @ ( cons @ SY226 @ SY229 ) ) @ ( cons @ SY227 @ SY230 ) )
                                 != SV13 )
                                | ( SY226 != SY227 ) ) ) ) ) )
          | ( duplicatefreeP @ SV13 ) )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[689]) ).

thf(763,plain,
    ! [SV14: $i,SV89: $i] :
      ( ( ( ssItem @ SV89 )
        = $false )
      | ( ( ( tl @ ( cons @ SV89 @ SV14 ) )
          = SV14 )
        = $true )
      | ( ( ssList @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[690]) ).

thf(764,plain,
    ! [SV15: $i,SV90: $i] :
      ( ( ( ssList @ SV90 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( rearsegP @ SV15 @ SV90 )
                  | ~ ! [SY359: $i] :
                        ~ ~ ( ~ ( ssList @ SY359 )
                            | ( ( app @ SY359 @ SV90 )
                             != SV15 ) ) )
              | ~ ( ~ ~ ! [SY360: $i] :
                          ~ ~ ( ~ ( ssList @ SY360 )
                              | ( ( app @ SY360 @ SV90 )
                               != SV15 ) )
                  | ( rearsegP @ SV15 @ SV90 ) ) ) )
        = $true )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[691]) ).

thf(765,plain,
    ! [SV16: $i,SV91: $i] :
      ( ( ( ssList @ SV91 )
        = $false )
      | ( ( ~ ~ ( ~ ( rearsegP @ SV16 @ SV91 )
                | ~ ( rearsegP @ SV91 @ SV16 ) )
          | ( SV16 = SV91 ) )
        = $true )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[692]) ).

thf(766,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( equalelemsP @ SV17 )
          | ! [SY236: $i] :
              ( ~ ( ssItem @ SY236 )
              | ! [SY237: $i] :
                  ( ~ ( ssItem @ SY237 )
                  | ! [SY238: $i] :
                      ( ~ ( ssList @ SY238 )
                      | ! [SY239: $i] :
                          ( ~ ( ssList @ SY239 )
                          | ( ( app @ SY238 @ ( cons @ SY236 @ ( cons @ SY237 @ SY239 ) ) )
                           != SV17 )
                          | ( SY236 = SY237 ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[693]) ).

thf(767,plain,
    ! [SV17: $i] :
      ( ( ( ~ ! [SY240: $i] :
                ( ~ ( ssItem @ SY240 )
                | ! [SY241: $i] :
                    ( ~ ( ssItem @ SY241 )
                    | ! [SY242: $i] :
                        ( ~ ( ssList @ SY242 )
                        | ! [SY243: $i] :
                            ( ~ ( ssList @ SY243 )
                            | ( ( app @ SY242 @ ( cons @ SY240 @ ( cons @ SY241 @ SY243 ) ) )
                             != SV17 )
                            | ( SY240 = SY241 ) ) ) ) )
          | ( equalelemsP @ SV17 ) )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[694]) ).

thf(768,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( totalorderedP @ SV18 )
          | ! [SY244: $i] :
              ( ~ ( ssItem @ SY244 )
              | ! [SY245: $i] :
                  ( ~ ( ssItem @ SY245 )
                  | ! [SY246: $i] :
                      ( ~ ( ssList @ SY246 )
                      | ! [SY247: $i] :
                          ( ~ ( ssList @ SY247 )
                          | ! [SY248: $i] :
                              ( ~ ( ssList @ SY248 )
                              | ( ( app @ ( app @ SY246 @ ( cons @ SY244 @ SY247 ) ) @ ( cons @ SY245 @ SY248 ) )
                               != SV18 )
                              | ( leq @ SY244 @ SY245 ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[695]) ).

thf(769,plain,
    ! [SV18: $i] :
      ( ( ( ~ ! [SY249: $i] :
                ( ~ ( ssItem @ SY249 )
                | ! [SY250: $i] :
                    ( ~ ( ssItem @ SY250 )
                    | ! [SY251: $i] :
                        ( ~ ( ssList @ SY251 )
                        | ! [SY252: $i] :
                            ( ~ ( ssList @ SY252 )
                            | ! [SY253: $i] :
                                ( ~ ( ssList @ SY253 )
                                | ( ( app @ ( app @ SY251 @ ( cons @ SY249 @ SY252 ) ) @ ( cons @ SY250 @ SY253 ) )
                                 != SV18 )
                                | ( leq @ SY249 @ SY250 ) ) ) ) ) )
          | ( totalorderedP @ SV18 ) )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[696]) ).

thf(770,plain,
    ! [SV19: $i,SV92: $i] :
      ( ( ( ssItem @ SV92 )
        = $false )
      | ( ( ( cons @ SV92 @ SV19 )
          = ( app @ ( cons @ SV92 @ nil ) @ SV19 ) )
        = $true )
      | ( ( ssList @ SV19 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[697]) ).

thf(771,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( totalorderP @ SV20 )
          | ! [SY255: $i] :
              ( ~ ( ssItem @ SY255 )
              | ! [SY256: $i] :
                  ( ~ ( ssItem @ SY256 )
                  | ! [SY257: $i] :
                      ( ~ ( ssList @ SY257 )
                      | ! [SY258: $i] :
                          ( ~ ( ssList @ SY258 )
                          | ! [SY259: $i] :
                              ( ~ ( ssList @ SY259 )
                              | ( ( app @ ( app @ SY257 @ ( cons @ SY255 @ SY258 ) ) @ ( cons @ SY256 @ SY259 ) )
                               != SV20 )
                              | ( leq @ SY255 @ SY256 )
                              | ( leq @ SY256 @ SY255 ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[698]) ).

thf(772,plain,
    ! [SV20: $i] :
      ( ( ( ~ ! [SY260: $i] :
                ( ~ ( ssItem @ SY260 )
                | ! [SY261: $i] :
                    ( ~ ( ssItem @ SY261 )
                    | ! [SY262: $i] :
                        ( ~ ( ssList @ SY262 )
                        | ! [SY263: $i] :
                            ( ~ ( ssList @ SY263 )
                            | ! [SY264: $i] :
                                ( ~ ( ssList @ SY264 )
                                | ( ( app @ ( app @ SY262 @ ( cons @ SY260 @ SY263 ) ) @ ( cons @ SY261 @ SY264 ) )
                                 != SV20 )
                                | ( leq @ SY260 @ SY261 )
                                | ( leq @ SY261 @ SY260 ) ) ) ) ) )
          | ( totalorderP @ SV20 ) )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[699]) ).

thf(773,plain,
    ! [SV21: $i,SV93: $i] :
      ( ( ( ssItem @ SV93 )
        = $false )
      | ( ( ( cons @ SV93 @ SV21 )
         != SV21 )
        = $true )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[700]) ).

thf(774,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ssItem @ SV94 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( memberP @ SV24 @ SV94 )
                  | ~ ! [SY361: $i] :
                        ~ ~ ( ~ ( ssList @ SY361 )
                            | ~ ~ ! [SY362: $i] :
                                    ~ ~ ( ~ ( ssList @ SY362 )
                                        | ( ( app @ SY361 @ ( cons @ SV94 @ SY362 ) )
                                         != SV24 ) ) ) )
              | ~ ( ~ ~ ! [SY363: $i] :
                          ~ ~ ( ~ ( ssList @ SY363 )
                              | ~ ~ ! [SY364: $i] :
                                      ~ ~ ( ~ ( ssList @ SY364 )
                                          | ( ( app @ SY363 @ ( cons @ SV94 @ SY364 ) )
                                           != SV24 ) ) )
                  | ( memberP @ SV24 @ SV94 ) ) ) )
        = $true )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[701]) ).

thf(775,plain,
    ! [SV26: $i,SV95: $i] :
      ( ( ( ssList @ SV95 )
        = $false )
      | ( ( ! [SY365: $i] :
              ( ~ ( ssList @ SY365 )
              | ! [SY366: $i] :
                  ( ~ ( ssList @ SY366 )
                  | ~ ( segmentP @ SV26 @ SV95 )
                  | ( segmentP @ ( app @ ( app @ SY365 @ SV26 ) @ SY366 ) @ SV95 ) ) ) )
        = $true )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[702]) ).

thf(776,plain,
    ! [SV27: $i,SV96: $i] :
      ( ( ( ssList @ SV96 )
        = $false )
      | ( ( ! [SY367: $i] :
              ( ~ ( ssItem @ SY367 )
              | ! [SY368: $i] :
                  ( ~ ( ssItem @ SY368 )
                  | ( ( cons @ SY367 @ SV27 )
                   != ( cons @ SY368 @ SV96 ) )
                  | ~ ( ( SY367 != SY368 )
                      | ( SV96 != SV27 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[703]) ).

thf(777,plain,
    ! [SV29: $i,SV97: $i] :
      ( ( ( ssList @ SV97 )
        = $false )
      | ( ( ! [SY369: $i] :
              ( ~ ( ssList @ SY369 )
              | ~ ~ ( ~ ( frontsegP @ SV29 @ SV97 )
                    | ~ ( frontsegP @ SV97 @ SY369 ) )
              | ( frontsegP @ SV29 @ SY369 ) ) )
        = $true )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[704]) ).

thf(778,plain,
    ! [SV30: $i,SV98: $i] :
      ( ( ( ssList @ SV98 )
        = $false )
      | ( ( ~ ( ( nil != SV30 ) )
          | ( ( tl @ ( app @ SV30 @ SV98 ) )
            = ( app @ ( tl @ SV30 ) @ SV98 ) ) )
        = $true )
      | ( ( ssList @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[705]) ).

thf(779,plain,
    ! [SV31: $i,SV99: $i] :
      ( ( ( ssItem @ SV99 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( neq @ SV31 @ SV99 )
                  | ( SV31 != SV99 ) )
              | ~ ( ~ ( ( SV31 != SV99 ) )
                  | ( neq @ SV31 @ SV99 ) ) ) )
        = $true )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[706]) ).

thf(780,plain,
    ! [SV32: $i,SV100: $i] :
      ( ( ( ssItem @ SV100 )
        = $false )
      | ( ( ! [SY370: $i] :
              ( ~ ( ssList @ SY370 )
              | ~ ( ~ ( ~ ( memberP @ ( cons @ SV100 @ SY370 ) @ SV32 )
                      | ( SV32 = SV100 )
                      | ( memberP @ SY370 @ SV32 ) )
                  | ~ ( ~ ( ( SV32 = SV100 )
                          | ( memberP @ SY370 @ SV32 ) )
                      | ( memberP @ ( cons @ SV100 @ SY370 ) @ SV32 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[707]) ).

thf(781,plain,
    ! [SV33: $i] :
      ( ( ( nil = SV33 )
        = $true )
      | ( ( ssList @ ( tl @ SV33 ) )
        = $true )
      | ( ( ssList @ SV33 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[708]) ).

thf(782,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( singletonP @ SV34 )
          | ~ ! [SY283: $i] :
                ~ ~ ( ~ ( ssItem @ SY283 )
                    | ( ( cons @ SY283 @ nil )
                     != SV34 ) ) )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[709]) ).

thf(783,plain,
    ! [SV34: $i] :
      ( ( ( ~ ~ ! [SY284: $i] :
                  ~ ~ ( ~ ( ssItem @ SY284 )
                      | ( ( cons @ SY284 @ nil )
                       != SV34 ) )
          | ( singletonP @ SV34 ) )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[710]) ).

thf(784,plain,
    ! [SV35: $i,SV101: $i] :
      ( ( ( ssList @ SV101 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( neq @ SV35 @ SV101 )
                  | ( SV35 != SV101 ) )
              | ~ ( ~ ( ( SV35 != SV101 ) )
                  | ( neq @ SV35 @ SV101 ) ) ) )
        = $true )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[711]) ).

thf(785,plain,
    ! [SV36: $i,SV102: $i] :
      ( ( ( ssList @ SV102 )
        = $false )
      | ( ( ! [SY371: $i] :
              ( ~ ( ssItem @ SY371 )
              | ( ( cons @ SY371 @ ( app @ SV102 @ SV36 ) )
                = ( app @ ( cons @ SY371 @ SV102 ) @ SV36 ) ) ) )
        = $true )
      | ( ( ssList @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[712]) ).

thf(786,plain,
    ! [SV40: $i,SV103: $i] :
      ( ( ( ssList @ SV103 )
        = $false )
      | ( ( ~ ~ ( ~ ( frontsegP @ SV40 @ SV103 )
                | ~ ( frontsegP @ SV103 @ SV40 ) )
          | ( SV40 = SV103 ) )
        = $true )
      | ( ( ssList @ SV40 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[713]) ).

thf(787,plain,
    ! [SV43: $i,SV104: $i] :
      ( ( ( ssItem @ SV104 )
        = $false )
      | ( ( ~ ~ ( ~ ( leq @ SV43 @ SV104 )
                | ~ ( leq @ SV104 @ SV43 ) )
          | ( SV43 = SV104 ) )
        = $true )
      | ( ( ssItem @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[714]) ).

thf(788,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( rearsegP @ nil @ SV44 )
          | ( nil = SV44 ) )
        = $true )
      | ( ( ssList @ SV44 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[715]) ).

thf(789,plain,
    ! [SV44: $i] :
      ( ( ( ( nil != SV44 )
          | ( rearsegP @ nil @ SV44 ) )
        = $true )
      | ( ( ssList @ SV44 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[716]) ).

thf(790,plain,
    ! [SV45: $i] :
      ( ( ( ~ ( frontsegP @ nil @ SV45 )
          | ( nil = SV45 ) )
        = $true )
      | ( ( ssList @ SV45 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[717]) ).

thf(791,plain,
    ! [SV45: $i] :
      ( ( ( ( nil != SV45 )
          | ( frontsegP @ nil @ SV45 ) )
        = $true )
      | ( ( ssList @ SV45 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[718]) ).

thf(792,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ssList @ SV105 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ SV47 @ SV105 )
                  | ~ ! [SY372: $i] :
                        ~ ~ ( ~ ( ssList @ SY372 )
                            | ( ( app @ SV105 @ SY372 )
                             != SV47 ) ) )
              | ~ ( ~ ~ ! [SY373: $i] :
                          ~ ~ ( ~ ( ssList @ SY373 )
                              | ( ( app @ SV105 @ SY373 )
                               != SV47 ) )
                  | ( frontsegP @ SV47 @ SV105 ) ) ) )
        = $true )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[719]) ).

thf(793,plain,
    ! [SV48: $i,SV106: $i] :
      ( ( ( ssItem @ SV106 )
        = $false )
      | ( ( nil
         != ( cons @ SV106 @ SV48 ) )
        = $true )
      | ( ( ssList @ SV48 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[720]) ).

thf(794,plain,
    ! [SV51: $i,SV107: $i] :
      ( ( ( ssItem @ SV107 )
        = $false )
      | ( ( ! [SY374: $i] :
              ( ~ ( ssItem @ SY374 )
              | ~ ~ ( ~ ( geq @ SV51 @ SV107 )
                    | ~ ( geq @ SV107 @ SY374 ) )
              | ( geq @ SV51 @ SY374 ) ) )
        = $true )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[721]) ).

thf(795,plain,
    ! [SV52: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK6_SY296 @ SV52 ) )
                | ~ ~ ! [SY388: $i] :
                        ~ ~ ( ~ ( ssItem @ SY388 )
                            | ( ( cons @ SY388 @ ( sK6_SY296 @ SV52 ) )
                             != SV52 ) ) ) )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[722]) ).

thf(796,plain,
    ! [SV53: $i,SV108: $i] :
      ( ( ( ssList @ SV108 )
        = $false )
      | ( ( ~ ( ( nil != SV53 ) )
          | ( ( hd @ ( app @ SV53 @ SV108 ) )
            = ( hd @ SV53 ) ) )
        = $true )
      | ( ( ssList @ SV53 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[723]) ).

thf(797,plain,
    ! [SV55: $i,SV109: $i] :
      ( ( ( ssItem @ SV109 )
        = $false )
      | ( ( ~ ( leq @ SV55 @ SV109 )
          | ( SV55 = SV109 )
          | ( lt @ SV55 @ SV109 ) )
        = $true )
      | ( ( ssItem @ SV55 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[724]) ).

thf(798,plain,
    ! [SV56: $i,SV110: $i] :
      ( ( ( ssList @ SV110 )
        = $false )
      | ( ( ! [SY375: $i] :
              ( ~ ( ssList @ SY375 )
              | ~ ( ~ ( ~ ( memberP @ ( app @ SV110 @ SY375 ) @ SV56 )
                      | ( memberP @ SV110 @ SV56 )
                      | ( memberP @ SY375 @ SV56 ) )
                  | ~ ( ~ ( ( memberP @ SV110 @ SV56 )
                          | ( memberP @ SY375 @ SV56 ) )
                      | ( memberP @ ( app @ SV110 @ SY375 ) @ SV56 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[725]) ).

thf(799,plain,
    ! [SV57: $i,SV111: $i] :
      ( ( ( ssItem @ SV111 )
        = $false )
      | ( ( ! [SY376: $i] :
              ( ~ ( ssItem @ SY376 )
              | ~ ~ ( ~ ( leq @ SV57 @ SV111 )
                    | ~ ( lt @ SV111 @ SY376 ) )
              | ( lt @ SV57 @ SY376 ) ) )
        = $true )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[726]) ).

thf(800,plain,
    ! [SV58: $i,SV112: $i] :
      ( ( ( ssItem @ SV112 )
        = $false )
      | ( ( ! [SY377: $i] :
              ( ~ ( ssItem @ SY377 )
              | ~ ~ ( ~ ( gt @ SV58 @ SV112 )
                    | ~ ( gt @ SV112 @ SY377 ) )
              | ( gt @ SV58 @ SY377 ) ) )
        = $true )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[727]) ).

thf(801,plain,
    ! [SV59: $i,SV113: $i] :
      ( ( ( ssItem @ SV113 )
        = $false )
      | ( ( ~ ( lt @ SV59 @ SV113 )
          | ~ ( lt @ SV113 @ SV59 ) )
        = $true )
      | ( ( ssItem @ SV59 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[728]) ).

thf(802,plain,
    ! [SV60: $i,SV114: $i] :
      ( ( ( ssList @ SV114 )
        = $false )
      | ( ( ssList @ ( app @ SV60 @ SV114 ) )
        = $true )
      | ( ( ssList @ SV60 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[729]) ).

thf(803,plain,
    ! [SV62: $i,SV115: $i] :
      ( ( ( ssList @ SV115 )
        = $false )
      | ( ( ! [SY378: $i] :
              ( ~ ( ssList @ SY378 )
              | ~ ~ ( ~ ( segmentP @ SV62 @ SV115 )
                    | ~ ( segmentP @ SV115 @ SY378 ) )
              | ( segmentP @ SV62 @ SY378 ) ) )
        = $true )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[730]) ).

thf(804,plain,
    ! [SV63: $i,SV116: $i] :
      ( ( ( ssItem @ SV116 )
        = $false )
      | ( ( ( hd @ ( cons @ SV116 @ SV63 ) )
          = SV116 )
        = $true )
      | ( ( ssList @ SV63 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[731]) ).

thf(805,plain,
    ! [SV64: $i] :
      ( ( ( nil = SV64 )
        = $true )
      | ( ( ~ ! [SY311: $i] :
                ~ ~ ( ~ ( ssItem @ SY311 )
                    | ( ( hd @ SV64 )
                     != SY311 ) ) )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[732]) ).

thf(806,plain,
    ! [SV65: $i,SV117: $i] :
      ( ( ( ssList @ SV117 )
        = $false )
      | ( ( ! [SY379: $i] :
              ( ~ ( ssList @ SY379 )
              | ( ( app @ SY379 @ SV117 )
               != ( app @ SV65 @ SV117 ) )
              | ( SY379 = SV65 ) ) )
        = $true )
      | ( ( ssList @ SV65 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[733]) ).

thf(807,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( cyclefreeP @ SV66 )
          | ! [SY314: $i] :
              ( ~ ( ssItem @ SY314 )
              | ! [SY315: $i] :
                  ( ~ ( ssItem @ SY315 )
                  | ! [SY316: $i] :
                      ( ~ ( ssList @ SY316 )
                      | ! [SY317: $i] :
                          ( ~ ( ssList @ SY317 )
                          | ! [SY318: $i] :
                              ( ~ ( ssList @ SY318 )
                              | ( ( app @ ( app @ SY316 @ ( cons @ SY314 @ SY317 ) ) @ ( cons @ SY315 @ SY318 ) )
                               != SV66 )
                              | ~ ~ ( ~ ( leq @ SY314 @ SY315 )
                                    | ~ ( leq @ SY315 @ SY314 ) ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[734]) ).

thf(808,plain,
    ! [SV66: $i] :
      ( ( ( ~ ! [SY319: $i] :
                ( ~ ( ssItem @ SY319 )
                | ! [SY320: $i] :
                    ( ~ ( ssItem @ SY320 )
                    | ! [SY321: $i] :
                        ( ~ ( ssList @ SY321 )
                        | ! [SY322: $i] :
                            ( ~ ( ssList @ SY322 )
                            | ! [SY323: $i] :
                                ( ~ ( ssList @ SY323 )
                                | ( ( app @ ( app @ SY321 @ ( cons @ SY319 @ SY322 ) ) @ ( cons @ SY320 @ SY323 ) )
                                 != SV66 )
                                | ~ ~ ( ~ ( leq @ SY319 @ SY320 )
                                      | ~ ( leq @ SY320 @ SY319 ) ) ) ) ) ) )
          | ( cyclefreeP @ SV66 ) )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[735]) ).

thf(809,plain,
    ! [SV68: $i] :
      ( ( ( nil = SV68 )
        = $true )
      | ( ( ssItem @ ( hd @ SV68 ) )
        = $true )
      | ( ( ssList @ SV68 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[736]) ).

thf(810,plain,
    ! [SV69: $i,SV118: $i] :
      ( ( ( ssItem @ SV118 )
        = $false )
      | ( ( ~ ( gt @ SV69 @ SV118 )
          | ~ ( gt @ SV118 @ SV69 ) )
        = $true )
      | ( ( ssItem @ SV69 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[737]) ).

thf(811,plain,
    ! [SV72: $i,SV119: $i] :
      ( ( ( ssList @ SV119 )
        = $false )
      | ( ( ! [SY380: $i] :
              ( ~ ( ssList @ SY380 )
              | ~ ( frontsegP @ SV72 @ SV119 )
              | ( frontsegP @ ( app @ SV72 @ SY380 ) @ SV119 ) ) )
        = $true )
      | ( ( ssList @ SV72 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[738]) ).

thf(812,plain,
    ! [SV73: $i,SV120: $i] :
      ( ( ( ssList @ SV120 )
        = $false )
      | ( ( ~ ~ ( ~ ( segmentP @ SV73 @ SV120 )
                | ~ ( segmentP @ SV120 @ SV73 ) )
          | ( SV73 = SV120 ) )
        = $true )
      | ( ( ssList @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[739]) ).

thf(813,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( segmentP @ nil @ SV74 )
          | ( nil = SV74 ) )
        = $true )
      | ( ( ssList @ SV74 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[740]) ).

thf(814,plain,
    ! [SV74: $i] :
      ( ( ( ( nil != SV74 )
          | ( segmentP @ nil @ SV74 ) )
        = $true )
      | ( ( ssList @ SV74 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[741]) ).

thf(815,plain,
    ! [SV75: $i,SV121: $i] :
      ( ( ( ssList @ SV121 )
        = $false )
      | ( ( ! [SY381: $i] :
              ( ~ ( ssList @ SY381 )
              | ~ ~ ( ~ ( rearsegP @ SV75 @ SV121 )
                    | ~ ( rearsegP @ SV121 @ SY381 ) )
              | ( rearsegP @ SV75 @ SY381 ) ) )
        = $true )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[742]) ).

thf(816,plain,
    ! [SV76: $i,SV122: $i] :
      ( ( ( ssItem @ SV122 )
        = $false )
      | ( ( ssList @ ( cons @ SV122 @ SV76 ) )
        = $true )
      | ( ( ssList @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[743]) ).

thf(817,plain,
    ! [SV77: $i,SV123: $i] :
      ( ( ( ssItem @ SV123 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( geq @ SV77 @ SV123 )
                  | ( leq @ SV123 @ SV77 ) )
              | ~ ( ~ ( leq @ SV123 @ SV77 )
                  | ( geq @ SV77 @ SV123 ) ) ) )
        = $true )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[744]) ).

thf(818,plain,
    ! [SV78: $i,SV124: $i] :
      ( ( ( ssItem @ SV124 )
        = $false )
      | ( ( ~ ~ ( ~ ( geq @ SV78 @ SV124 )
                | ~ ( geq @ SV124 @ SV78 ) )
          | ( SV78 = SV124 ) )
        = $true )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[745]) ).

thf(819,plain,
    ! [SV79: $i,SV125: $i] :
      ( ( ( ssItem @ SV125 )
        = $false )
      | ( ( ! [SY382: $i] :
              ( ~ ( ssItem @ SY382 )
              | ~ ~ ( ~ ( leq @ SV79 @ SV125 )
                    | ~ ( leq @ SV125 @ SY382 ) )
              | ( leq @ SV79 @ SY382 ) ) )
        = $true )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[746]) ).

thf(820,plain,
    ! [SV80: $i,SV1: $i,SV126: $i] :
      ( ( ( ~ ( ssList @ SV126 )
          | ~ ( rearsegP @ SV1 @ SV80 )
          | ( rearsegP @ ( app @ SV126 @ SV1 ) @ SV80 ) )
        = $true )
      | ( ( ssList @ SV80 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[747]) ).

thf(821,plain,
    ! [SV2: $i] :
      ( ( ( ! [SY203: $i] :
              ~ ~ ( ~ ( ssList @ SY203 )
                  | ( ( tl @ SV2 )
                   != SY203 ) ) )
        = $false )
      | ( ( nil = SV2 )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[748]) ).

thf(822,plain,
    ! [SV81: $i,SV3: $i,SV127: $i] :
      ( ( ( ~ ( ssList @ SV127 )
          | ! [SY389: $i] :
              ( ~ ( ssList @ SY389 )
              | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SY389 ) )
                      | ~ ( ( SV3 != SV81 )
                          | ~ ( frontsegP @ SV127 @ SY389 ) ) )
                  | ~ ( ~ ~ ( ( SV3 != SV81 )
                            | ~ ( frontsegP @ SV127 @ SY389 ) )
                      | ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SY389 ) ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[749]) ).

thf(823,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ( ~ ( segmentP @ SV4 @ SV82 )
              | ~ ! [SY346: $i] :
                    ~ ~ ( ~ ( ssList @ SY346 )
                        | ~ ~ ! [SY347: $i] :
                                ~ ~ ( ~ ( ssList @ SY347 )
                                    | ( ( app @ ( app @ SY346 @ SV82 ) @ SY347 )
                                     != SV4 ) ) ) )
          | ~ ( ~ ~ ! [SY348: $i] :
                      ~ ~ ( ~ ( ssList @ SY348 )
                          | ~ ~ ! [SY349: $i] :
                                  ~ ~ ( ~ ( ssList @ SY349 )
                                      | ( ( app @ ( app @ SY348 @ SV82 ) @ SY349 )
                                       != SV4 ) ) )
              | ( segmentP @ SV4 @ SV82 ) ) )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[750]) ).

thf(824,plain,
    ! [SV5: $i,SV83: $i,SV128: $i] :
      ( ( ( ~ ( ssList @ SV128 )
          | ( ( app @ SV83 @ SV128 )
           != ( app @ SV83 @ SV5 ) )
          | ( SV128 = SV5 ) )
        = $true )
      | ( ( ssList @ SV83 )
        = $false )
      | ( ( ssList @ SV5 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[751]) ).

thf(825,plain,
    ( ( ~ ( ssList @ sK5_SY351 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[753]) ).

thf(826,plain,
    ( ( ( nil != sK2_SX0 )
      | ( sK2_SX0 != sK5_SY351 )
      | ( sK1_U != sK4_SY335 )
      | ( nil = sK1_U )
      | ! [SY383: $i] :
          ( ~ ( ssList @ SY383 )
          | ( ( app @ sK4_SY335 @ SY383 )
           != sK5_SY351 )
          | ~ ( totalorderedP @ sK4_SY335 )
          | ~ ! [SY353: $i] :
                ~ ~ ( ~ ( ssItem @ SY353 )
                    | ~ ~ ! [SY354: $i] :
                            ~ ~ ( ~ ~ ( ~ ( ssList @ SY354 )
                                      | ( ( app @ ( cons @ SY353 @ nil ) @ SY354 )
                                       != SY383 ) )
                                | ~ ~ ! [SY355: $i] :
                                        ~ ~ ( ~ ( ssItem @ SY355 )
                                            | ~ ~ ! [SY356: $i] :
                                                    ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                              | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                               != sK4_SY335 ) )
                                                        | ~ ( leq @ SY355 @ SY353 ) ) ) ) ) )
      | ~ ( ~ ( ( nil != sK5_SY351 ) )
          | ( nil != sK4_SY335 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[753]) ).

thf(827,plain,
    ! [SV84: $i,SV7: $i,SV129: $i] :
      ( ( ( ~ ( ssList @ SV129 )
          | ( ( app @ ( app @ SV7 @ SV84 ) @ SV129 )
            = ( app @ SV7 @ ( app @ SV84 @ SV129 ) ) ) )
        = $true )
      | ( ( ssList @ SV84 )
        = $false )
      | ( ( ssList @ SV7 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[754]) ).

thf(828,plain,
    ! [SV85: $i,SV8: $i] :
      ( ( ( ~ ( ~ ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
              | ( nil = SV85 )
              | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                        | ~ ( totalorderedP @ SV85 ) )
                  | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
          | ~ ( ~ ( ( nil = SV85 )
                  | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                            | ~ ( totalorderedP @ SV85 ) )
                      | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
              | ( totalorderedP @ ( cons @ SV8 @ SV85 ) ) ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[755]) ).

thf(829,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( lt @ SV9 @ SV86 )
              | ~ ( ~ ( ( SV9 != SV86 ) )
                  | ~ ( leq @ SV9 @ SV86 ) ) )
          | ~ ( ~ ~ ( ~ ( ( SV9 != SV86 ) )
                    | ~ ( leq @ SV9 @ SV86 ) )
              | ( lt @ SV9 @ SV86 ) ) )
        = $false )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[756]) ).

thf(830,plain,
    ! [SV87: $i,SV10: $i,SV130: $i] :
      ( ( ( ~ ( ssItem @ SV130 )
          | ~ ~ ( ~ ( lt @ SV10 @ SV87 )
                | ~ ( lt @ SV87 @ SV130 ) )
          | ( lt @ SV10 @ SV130 ) )
        = $true )
      | ( ( ssItem @ SV87 )
        = $false )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[757]) ).

thf(831,plain,
    ( ( ! [SY342: $i] :
          ~ ~ ( ~ ( ssItem @ SY342 )
              | ~ ( ( sK3_SX0 != SY342 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[759]) ).

thf(832,plain,
    ! [SV88: $i,SV11: $i] :
      ( ( ( ~ ( ( nil
               != ( app @ SV11 @ SV88 ) )
              | ~ ( ( nil != SV88 )
                  | ( nil != SV11 ) ) )
          | ~ ( ~ ~ ( ( nil != SV88 )
                    | ( nil != SV11 ) )
              | ( nil
                = ( app @ SV11 @ SV88 ) ) ) )
        = $false )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[760]) ).

thf(833,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( duplicatefreeP @ SV13 ) )
        = $true )
      | ( ( ! [SY221: $i] :
              ( ~ ( ssItem @ SY221 )
              | ! [SY222: $i] :
                  ( ~ ( ssItem @ SY222 )
                  | ! [SY223: $i] :
                      ( ~ ( ssList @ SY223 )
                      | ! [SY224: $i] :
                          ( ~ ( ssList @ SY224 )
                          | ! [SY225: $i] :
                              ( ~ ( ssList @ SY225 )
                              | ( ( app @ ( app @ SY223 @ ( cons @ SY221 @ SY224 ) ) @ ( cons @ SY222 @ SY225 ) )
                               != SV13 )
                              | ( SY221 != SY222 ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[761]) ).

thf(834,plain,
    ! [SV13: $i] :
      ( ( ( ~ ! [SY226: $i] :
                ( ~ ( ssItem @ SY226 )
                | ! [SY227: $i] :
                    ( ~ ( ssItem @ SY227 )
                    | ! [SY228: $i] :
                        ( ~ ( ssList @ SY228 )
                        | ! [SY229: $i] :
                            ( ~ ( ssList @ SY229 )
                            | ! [SY230: $i] :
                                ( ~ ( ssList @ SY230 )
                                | ( ( app @ ( app @ SY228 @ ( cons @ SY226 @ SY229 ) ) @ ( cons @ SY227 @ SY230 ) )
                                 != SV13 )
                                | ( SY226 != SY227 ) ) ) ) ) ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[762]) ).

thf(835,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ SV15 @ SV90 )
              | ~ ! [SY359: $i] :
                    ~ ~ ( ~ ( ssList @ SY359 )
                        | ( ( app @ SY359 @ SV90 )
                         != SV15 ) ) )
          | ~ ( ~ ~ ! [SY360: $i] :
                      ~ ~ ( ~ ( ssList @ SY360 )
                          | ( ( app @ SY360 @ SV90 )
                           != SV15 ) )
              | ( rearsegP @ SV15 @ SV90 ) ) )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[764]) ).

thf(836,plain,
    ! [SV91: $i,SV16: $i] :
      ( ( ( ~ ~ ( ~ ( rearsegP @ SV16 @ SV91 )
                | ~ ( rearsegP @ SV91 @ SV16 ) ) )
        = $true )
      | ( ( SV16 = SV91 )
        = $true )
      | ( ( ssList @ SV91 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[765]) ).

thf(837,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( equalelemsP @ SV17 ) )
        = $true )
      | ( ( ! [SY236: $i] :
              ( ~ ( ssItem @ SY236 )
              | ! [SY237: $i] :
                  ( ~ ( ssItem @ SY237 )
                  | ! [SY238: $i] :
                      ( ~ ( ssList @ SY238 )
                      | ! [SY239: $i] :
                          ( ~ ( ssList @ SY239 )
                          | ( ( app @ SY238 @ ( cons @ SY236 @ ( cons @ SY237 @ SY239 ) ) )
                           != SV17 )
                          | ( SY236 = SY237 ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[766]) ).

thf(838,plain,
    ! [SV17: $i] :
      ( ( ( ~ ! [SY240: $i] :
                ( ~ ( ssItem @ SY240 )
                | ! [SY241: $i] :
                    ( ~ ( ssItem @ SY241 )
                    | ! [SY242: $i] :
                        ( ~ ( ssList @ SY242 )
                        | ! [SY243: $i] :
                            ( ~ ( ssList @ SY243 )
                            | ( ( app @ SY242 @ ( cons @ SY240 @ ( cons @ SY241 @ SY243 ) ) )
                             != SV17 )
                            | ( SY240 = SY241 ) ) ) ) ) )
        = $true )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[767]) ).

thf(839,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( totalorderedP @ SV18 ) )
        = $true )
      | ( ( ! [SY244: $i] :
              ( ~ ( ssItem @ SY244 )
              | ! [SY245: $i] :
                  ( ~ ( ssItem @ SY245 )
                  | ! [SY246: $i] :
                      ( ~ ( ssList @ SY246 )
                      | ! [SY247: $i] :
                          ( ~ ( ssList @ SY247 )
                          | ! [SY248: $i] :
                              ( ~ ( ssList @ SY248 )
                              | ( ( app @ ( app @ SY246 @ ( cons @ SY244 @ SY247 ) ) @ ( cons @ SY245 @ SY248 ) )
                               != SV18 )
                              | ( leq @ SY244 @ SY245 ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[768]) ).

thf(840,plain,
    ! [SV18: $i] :
      ( ( ( ~ ! [SY249: $i] :
                ( ~ ( ssItem @ SY249 )
                | ! [SY250: $i] :
                    ( ~ ( ssItem @ SY250 )
                    | ! [SY251: $i] :
                        ( ~ ( ssList @ SY251 )
                        | ! [SY252: $i] :
                            ( ~ ( ssList @ SY252 )
                            | ! [SY253: $i] :
                                ( ~ ( ssList @ SY253 )
                                | ( ( app @ ( app @ SY251 @ ( cons @ SY249 @ SY252 ) ) @ ( cons @ SY250 @ SY253 ) )
                                 != SV18 )
                                | ( leq @ SY249 @ SY250 ) ) ) ) ) ) )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[769]) ).

thf(841,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( totalorderP @ SV20 ) )
        = $true )
      | ( ( ! [SY255: $i] :
              ( ~ ( ssItem @ SY255 )
              | ! [SY256: $i] :
                  ( ~ ( ssItem @ SY256 )
                  | ! [SY257: $i] :
                      ( ~ ( ssList @ SY257 )
                      | ! [SY258: $i] :
                          ( ~ ( ssList @ SY258 )
                          | ! [SY259: $i] :
                              ( ~ ( ssList @ SY259 )
                              | ( ( app @ ( app @ SY257 @ ( cons @ SY255 @ SY258 ) ) @ ( cons @ SY256 @ SY259 ) )
                               != SV20 )
                              | ( leq @ SY255 @ SY256 )
                              | ( leq @ SY256 @ SY255 ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[771]) ).

thf(842,plain,
    ! [SV20: $i] :
      ( ( ( ~ ! [SY260: $i] :
                ( ~ ( ssItem @ SY260 )
                | ! [SY261: $i] :
                    ( ~ ( ssItem @ SY261 )
                    | ! [SY262: $i] :
                        ( ~ ( ssList @ SY262 )
                        | ! [SY263: $i] :
                            ( ~ ( ssList @ SY263 )
                            | ! [SY264: $i] :
                                ( ~ ( ssList @ SY264 )
                                | ( ( app @ ( app @ SY262 @ ( cons @ SY260 @ SY263 ) ) @ ( cons @ SY261 @ SY264 ) )
                                 != SV20 )
                                | ( leq @ SY260 @ SY261 )
                                | ( leq @ SY261 @ SY260 ) ) ) ) ) ) )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[772]) ).

thf(843,plain,
    ! [SV21: $i,SV93: $i] :
      ( ( ( ( cons @ SV93 @ SV21 )
          = SV21 )
        = $false )
      | ( ( ssItem @ SV93 )
        = $false )
      | ( ( ssList @ SV21 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[773]) ).

thf(844,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( memberP @ SV24 @ SV94 )
              | ~ ! [SY361: $i] :
                    ~ ~ ( ~ ( ssList @ SY361 )
                        | ~ ~ ! [SY362: $i] :
                                ~ ~ ( ~ ( ssList @ SY362 )
                                    | ( ( app @ SY361 @ ( cons @ SV94 @ SY362 ) )
                                     != SV24 ) ) ) )
          | ~ ( ~ ~ ! [SY363: $i] :
                      ~ ~ ( ~ ( ssList @ SY363 )
                          | ~ ~ ! [SY364: $i] :
                                  ~ ~ ( ~ ( ssList @ SY364 )
                                      | ( ( app @ SY363 @ ( cons @ SV94 @ SY364 ) )
                                       != SV24 ) ) )
              | ( memberP @ SV24 @ SV94 ) ) )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[774]) ).

thf(845,plain,
    ! [SV95: $i,SV26: $i,SV131: $i] :
      ( ( ( ~ ( ssList @ SV131 )
          | ! [SY390: $i] :
              ( ~ ( ssList @ SY390 )
              | ~ ( segmentP @ SV26 @ SV95 )
              | ( segmentP @ ( app @ ( app @ SV131 @ SV26 ) @ SY390 ) @ SV95 ) ) )
        = $true )
      | ( ( ssList @ SV95 )
        = $false )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[775]) ).

thf(846,plain,
    ! [SV96: $i,SV27: $i,SV132: $i] :
      ( ( ( ~ ( ssItem @ SV132 )
          | ! [SY391: $i] :
              ( ~ ( ssItem @ SY391 )
              | ( ( cons @ SV132 @ SV27 )
               != ( cons @ SY391 @ SV96 ) )
              | ~ ( ( SV132 != SY391 )
                  | ( SV96 != SV27 ) ) ) )
        = $true )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[776]) ).

thf(847,plain,
    ! [SV97: $i,SV29: $i,SV133: $i] :
      ( ( ( ~ ( ssList @ SV133 )
          | ~ ~ ( ~ ( frontsegP @ SV29 @ SV97 )
                | ~ ( frontsegP @ SV97 @ SV133 ) )
          | ( frontsegP @ SV29 @ SV133 ) )
        = $true )
      | ( ( ssList @ SV97 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[777]) ).

thf(848,plain,
    ! [SV98: $i,SV30: $i] :
      ( ( ( ~ ( ( nil != SV30 ) ) )
        = $true )
      | ( ( ( tl @ ( app @ SV30 @ SV98 ) )
          = ( app @ ( tl @ SV30 ) @ SV98 ) )
        = $true )
      | ( ( ssList @ SV98 )
        = $false )
      | ( ( ssList @ SV30 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[778]) ).

thf(849,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( ~ ( ~ ( neq @ SV31 @ SV99 )
              | ( SV31 != SV99 ) )
          | ~ ( ~ ( ( SV31 != SV99 ) )
              | ( neq @ SV31 @ SV99 ) ) )
        = $false )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[779]) ).

thf(850,plain,
    ! [SV32: $i,SV100: $i,SV134: $i] :
      ( ( ( ~ ( ssList @ SV134 )
          | ~ ( ~ ( ~ ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
                  | ( SV32 = SV100 )
                  | ( memberP @ SV134 @ SV32 ) )
              | ~ ( ~ ( ( SV32 = SV100 )
                      | ( memberP @ SV134 @ SV32 ) )
                  | ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 ) ) ) )
        = $true )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[780]) ).

thf(851,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( singletonP @ SV34 ) )
        = $true )
      | ( ( ~ ! [SY283: $i] :
                ~ ~ ( ~ ( ssItem @ SY283 )
                    | ( ( cons @ SY283 @ nil )
                     != SV34 ) ) )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[782]) ).

thf(852,plain,
    ! [SV34: $i] :
      ( ( ( ~ ~ ! [SY284: $i] :
                  ~ ~ ( ~ ( ssItem @ SY284 )
                      | ( ( cons @ SY284 @ nil )
                       != SV34 ) ) )
        = $true )
      | ( ( singletonP @ SV34 )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[783]) ).

thf(853,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( ~ ( ~ ( neq @ SV35 @ SV101 )
              | ( SV35 != SV101 ) )
          | ~ ( ~ ( ( SV35 != SV101 ) )
              | ( neq @ SV35 @ SV101 ) ) )
        = $false )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[784]) ).

thf(854,plain,
    ! [SV36: $i,SV102: $i,SV135: $i] :
      ( ( ( ~ ( ssItem @ SV135 )
          | ( ( cons @ SV135 @ ( app @ SV102 @ SV36 ) )
            = ( app @ ( cons @ SV135 @ SV102 ) @ SV36 ) ) )
        = $true )
      | ( ( ssList @ SV102 )
        = $false )
      | ( ( ssList @ SV36 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[785]) ).

thf(855,plain,
    ! [SV103: $i,SV40: $i] :
      ( ( ( ~ ~ ( ~ ( frontsegP @ SV40 @ SV103 )
                | ~ ( frontsegP @ SV103 @ SV40 ) ) )
        = $true )
      | ( ( SV40 = SV103 )
        = $true )
      | ( ( ssList @ SV103 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[786]) ).

thf(856,plain,
    ! [SV104: $i,SV43: $i] :
      ( ( ( ~ ~ ( ~ ( leq @ SV43 @ SV104 )
                | ~ ( leq @ SV104 @ SV43 ) ) )
        = $true )
      | ( ( SV43 = SV104 )
        = $true )
      | ( ( ssItem @ SV104 )
        = $false )
      | ( ( ssItem @ SV43 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[787]) ).

thf(857,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( rearsegP @ nil @ SV44 ) )
        = $true )
      | ( ( nil = SV44 )
        = $true )
      | ( ( ssList @ SV44 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[788]) ).

thf(858,plain,
    ! [SV44: $i] :
      ( ( ( nil != SV44 )
        = $true )
      | ( ( rearsegP @ nil @ SV44 )
        = $true )
      | ( ( ssList @ SV44 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[789]) ).

thf(859,plain,
    ! [SV45: $i] :
      ( ( ( ~ ( frontsegP @ nil @ SV45 ) )
        = $true )
      | ( ( nil = SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[790]) ).

thf(860,plain,
    ! [SV45: $i] :
      ( ( ( nil != SV45 )
        = $true )
      | ( ( frontsegP @ nil @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[791]) ).

thf(861,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ SV47 @ SV105 )
              | ~ ! [SY372: $i] :
                    ~ ~ ( ~ ( ssList @ SY372 )
                        | ( ( app @ SV105 @ SY372 )
                         != SV47 ) ) )
          | ~ ( ~ ~ ! [SY373: $i] :
                      ~ ~ ( ~ ( ssList @ SY373 )
                          | ( ( app @ SV105 @ SY373 )
                           != SV47 ) )
              | ( frontsegP @ SV47 @ SV105 ) ) )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[792]) ).

thf(862,plain,
    ! [SV48: $i,SV106: $i] :
      ( ( ( nil
          = ( cons @ SV106 @ SV48 ) )
        = $false )
      | ( ( ssItem @ SV106 )
        = $false )
      | ( ( ssList @ SV48 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[793]) ).

thf(863,plain,
    ! [SV107: $i,SV51: $i,SV136: $i] :
      ( ( ( ~ ( ssItem @ SV136 )
          | ~ ~ ( ~ ( geq @ SV51 @ SV107 )
                | ~ ( geq @ SV107 @ SV136 ) )
          | ( geq @ SV51 @ SV136 ) )
        = $true )
      | ( ( ssItem @ SV107 )
        = $false )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[794]) ).

thf(864,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK6_SY296 @ SV52 ) )
              | ~ ~ ! [SY388: $i] :
                      ~ ~ ( ~ ( ssItem @ SY388 )
                          | ( ( cons @ SY388 @ ( sK6_SY296 @ SV52 ) )
                           != SV52 ) ) ) )
        = $true )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[795]) ).

thf(865,plain,
    ! [SV108: $i,SV53: $i] :
      ( ( ( ~ ( ( nil != SV53 ) ) )
        = $true )
      | ( ( ( hd @ ( app @ SV53 @ SV108 ) )
          = ( hd @ SV53 ) )
        = $true )
      | ( ( ssList @ SV108 )
        = $false )
      | ( ( ssList @ SV53 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[796]) ).

thf(866,plain,
    ! [SV109: $i,SV55: $i] :
      ( ( ( ~ ( leq @ SV55 @ SV109 ) )
        = $true )
      | ( ( ( SV55 = SV109 )
          | ( lt @ SV55 @ SV109 ) )
        = $true )
      | ( ( ssItem @ SV109 )
        = $false )
      | ( ( ssItem @ SV55 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[797]) ).

thf(867,plain,
    ! [SV56: $i,SV110: $i,SV137: $i] :
      ( ( ( ~ ( ssList @ SV137 )
          | ~ ( ~ ( ~ ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
                  | ( memberP @ SV110 @ SV56 )
                  | ( memberP @ SV137 @ SV56 ) )
              | ~ ( ~ ( ( memberP @ SV110 @ SV56 )
                      | ( memberP @ SV137 @ SV56 ) )
                  | ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 ) ) ) )
        = $true )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[798]) ).

thf(868,plain,
    ! [SV111: $i,SV57: $i,SV138: $i] :
      ( ( ( ~ ( ssItem @ SV138 )
          | ~ ~ ( ~ ( leq @ SV57 @ SV111 )
                | ~ ( lt @ SV111 @ SV138 ) )
          | ( lt @ SV57 @ SV138 ) )
        = $true )
      | ( ( ssItem @ SV111 )
        = $false )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[799]) ).

thf(869,plain,
    ! [SV112: $i,SV58: $i,SV139: $i] :
      ( ( ( ~ ( ssItem @ SV139 )
          | ~ ~ ( ~ ( gt @ SV58 @ SV112 )
                | ~ ( gt @ SV112 @ SV139 ) )
          | ( gt @ SV58 @ SV139 ) )
        = $true )
      | ( ( ssItem @ SV112 )
        = $false )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[800]) ).

thf(870,plain,
    ! [SV113: $i,SV59: $i] :
      ( ( ( ~ ( lt @ SV59 @ SV113 ) )
        = $true )
      | ( ( ~ ( lt @ SV113 @ SV59 ) )
        = $true )
      | ( ( ssItem @ SV113 )
        = $false )
      | ( ( ssItem @ SV59 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[801]) ).

thf(871,plain,
    ! [SV115: $i,SV62: $i,SV140: $i] :
      ( ( ( ~ ( ssList @ SV140 )
          | ~ ~ ( ~ ( segmentP @ SV62 @ SV115 )
                | ~ ( segmentP @ SV115 @ SV140 ) )
          | ( segmentP @ SV62 @ SV140 ) )
        = $true )
      | ( ( ssList @ SV115 )
        = $false )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[803]) ).

thf(872,plain,
    ! [SV64: $i] :
      ( ( ( ! [SY311: $i] :
              ~ ~ ( ~ ( ssItem @ SY311 )
                  | ( ( hd @ SV64 )
                   != SY311 ) ) )
        = $false )
      | ( ( nil = SV64 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[805]) ).

thf(873,plain,
    ! [SV65: $i,SV117: $i,SV141: $i] :
      ( ( ( ~ ( ssList @ SV141 )
          | ( ( app @ SV141 @ SV117 )
           != ( app @ SV65 @ SV117 ) )
          | ( SV141 = SV65 ) )
        = $true )
      | ( ( ssList @ SV117 )
        = $false )
      | ( ( ssList @ SV65 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[806]) ).

thf(874,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( cyclefreeP @ SV66 ) )
        = $true )
      | ( ( ! [SY314: $i] :
              ( ~ ( ssItem @ SY314 )
              | ! [SY315: $i] :
                  ( ~ ( ssItem @ SY315 )
                  | ! [SY316: $i] :
                      ( ~ ( ssList @ SY316 )
                      | ! [SY317: $i] :
                          ( ~ ( ssList @ SY317 )
                          | ! [SY318: $i] :
                              ( ~ ( ssList @ SY318 )
                              | ( ( app @ ( app @ SY316 @ ( cons @ SY314 @ SY317 ) ) @ ( cons @ SY315 @ SY318 ) )
                               != SV66 )
                              | ~ ~ ( ~ ( leq @ SY314 @ SY315 )
                                    | ~ ( leq @ SY315 @ SY314 ) ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[807]) ).

thf(875,plain,
    ! [SV66: $i] :
      ( ( ( ~ ! [SY319: $i] :
                ( ~ ( ssItem @ SY319 )
                | ! [SY320: $i] :
                    ( ~ ( ssItem @ SY320 )
                    | ! [SY321: $i] :
                        ( ~ ( ssList @ SY321 )
                        | ! [SY322: $i] :
                            ( ~ ( ssList @ SY322 )
                            | ! [SY323: $i] :
                                ( ~ ( ssList @ SY323 )
                                | ( ( app @ ( app @ SY321 @ ( cons @ SY319 @ SY322 ) ) @ ( cons @ SY320 @ SY323 ) )
                                 != SV66 )
                                | ~ ~ ( ~ ( leq @ SY319 @ SY320 )
                                      | ~ ( leq @ SY320 @ SY319 ) ) ) ) ) ) ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[808]) ).

thf(876,plain,
    ! [SV118: $i,SV69: $i] :
      ( ( ( ~ ( gt @ SV69 @ SV118 ) )
        = $true )
      | ( ( ~ ( gt @ SV118 @ SV69 ) )
        = $true )
      | ( ( ssItem @ SV118 )
        = $false )
      | ( ( ssItem @ SV69 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[810]) ).

thf(877,plain,
    ! [SV119: $i,SV72: $i,SV142: $i] :
      ( ( ( ~ ( ssList @ SV142 )
          | ~ ( frontsegP @ SV72 @ SV119 )
          | ( frontsegP @ ( app @ SV72 @ SV142 ) @ SV119 ) )
        = $true )
      | ( ( ssList @ SV119 )
        = $false )
      | ( ( ssList @ SV72 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[811]) ).

thf(878,plain,
    ! [SV120: $i,SV73: $i] :
      ( ( ( ~ ~ ( ~ ( segmentP @ SV73 @ SV120 )
                | ~ ( segmentP @ SV120 @ SV73 ) ) )
        = $true )
      | ( ( SV73 = SV120 )
        = $true )
      | ( ( ssList @ SV120 )
        = $false )
      | ( ( ssList @ SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[812]) ).

thf(879,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( segmentP @ nil @ SV74 ) )
        = $true )
      | ( ( nil = SV74 )
        = $true )
      | ( ( ssList @ SV74 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[813]) ).

thf(880,plain,
    ! [SV74: $i] :
      ( ( ( nil != SV74 )
        = $true )
      | ( ( segmentP @ nil @ SV74 )
        = $true )
      | ( ( ssList @ SV74 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[814]) ).

thf(881,plain,
    ! [SV121: $i,SV75: $i,SV143: $i] :
      ( ( ( ~ ( ssList @ SV143 )
          | ~ ~ ( ~ ( rearsegP @ SV75 @ SV121 )
                | ~ ( rearsegP @ SV121 @ SV143 ) )
          | ( rearsegP @ SV75 @ SV143 ) )
        = $true )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[815]) ).

thf(882,plain,
    ! [SV123: $i,SV77: $i] :
      ( ( ( ~ ( ~ ( geq @ SV77 @ SV123 )
              | ( leq @ SV123 @ SV77 ) )
          | ~ ( ~ ( leq @ SV123 @ SV77 )
              | ( geq @ SV77 @ SV123 ) ) )
        = $false )
      | ( ( ssItem @ SV123 )
        = $false )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[817]) ).

thf(883,plain,
    ! [SV124: $i,SV78: $i] :
      ( ( ( ~ ~ ( ~ ( geq @ SV78 @ SV124 )
                | ~ ( geq @ SV124 @ SV78 ) ) )
        = $true )
      | ( ( SV78 = SV124 )
        = $true )
      | ( ( ssItem @ SV124 )
        = $false )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[818]) ).

thf(884,plain,
    ! [SV125: $i,SV79: $i,SV144: $i] :
      ( ( ( ~ ( ssItem @ SV144 )
          | ~ ~ ( ~ ( leq @ SV79 @ SV125 )
                | ~ ( leq @ SV125 @ SV144 ) )
          | ( leq @ SV79 @ SV144 ) )
        = $true )
      | ( ( ssItem @ SV125 )
        = $false )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[819]) ).

thf(885,plain,
    ! [SV80: $i,SV1: $i,SV126: $i] :
      ( ( ( ~ ( ssList @ SV126 ) )
        = $true )
      | ( ( ~ ( rearsegP @ SV1 @ SV80 )
          | ( rearsegP @ ( app @ SV126 @ SV1 ) @ SV80 ) )
        = $true )
      | ( ( ssList @ SV80 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[820]) ).

thf(886,plain,
    ! [SV2: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK7_SY203 @ SV2 ) )
                | ( ( tl @ SV2 )
                 != ( sK7_SY203 @ SV2 ) ) ) )
        = $false )
      | ( ( nil = SV2 )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[821]) ).

thf(887,plain,
    ! [SV81: $i,SV3: $i,SV127: $i] :
      ( ( ( ~ ( ssList @ SV127 ) )
        = $true )
      | ( ( ! [SY389: $i] :
              ( ~ ( ssList @ SY389 )
              | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SY389 ) )
                      | ~ ( ( SV3 != SV81 )
                          | ~ ( frontsegP @ SV127 @ SY389 ) ) )
                  | ~ ( ~ ~ ( ( SV3 != SV81 )
                            | ~ ( frontsegP @ SV127 @ SY389 ) )
                      | ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SY389 ) ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[822]) ).

thf(888,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ( ~ ( segmentP @ SV4 @ SV82 )
              | ~ ! [SY346: $i] :
                    ~ ~ ( ~ ( ssList @ SY346 )
                        | ~ ~ ! [SY347: $i] :
                                ~ ~ ( ~ ( ssList @ SY347 )
                                    | ( ( app @ ( app @ SY346 @ SV82 ) @ SY347 )
                                     != SV4 ) ) ) ) )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[823]) ).

thf(889,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ( ~ ~ ! [SY348: $i] :
                      ~ ~ ( ~ ( ssList @ SY348 )
                          | ~ ~ ! [SY349: $i] :
                                  ~ ~ ( ~ ( ssList @ SY349 )
                                      | ( ( app @ ( app @ SY348 @ SV82 ) @ SY349 )
                                       != SV4 ) ) )
              | ( segmentP @ SV4 @ SV82 ) ) )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[823]) ).

thf(890,plain,
    ! [SV5: $i,SV83: $i,SV128: $i] :
      ( ( ( ~ ( ssList @ SV128 ) )
        = $true )
      | ( ( ( ( app @ SV83 @ SV128 )
           != ( app @ SV83 @ SV5 ) )
          | ( SV128 = SV5 ) )
        = $true )
      | ( ( ssList @ SV83 )
        = $false )
      | ( ( ssList @ SV5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[824]) ).

thf(891,plain,
    ( ( ssList @ sK5_SY351 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[825]) ).

thf(892,plain,
    ( ( ( nil != sK2_SX0 )
      | ( sK2_SX0 != sK5_SY351 )
      | ( sK1_U != sK4_SY335 )
      | ( nil = sK1_U )
      | ! [SY383: $i] :
          ( ~ ( ssList @ SY383 )
          | ( ( app @ sK4_SY335 @ SY383 )
           != sK5_SY351 )
          | ~ ( totalorderedP @ sK4_SY335 )
          | ~ ! [SY353: $i] :
                ~ ~ ( ~ ( ssItem @ SY353 )
                    | ~ ~ ! [SY354: $i] :
                            ~ ~ ( ~ ~ ( ~ ( ssList @ SY354 )
                                      | ( ( app @ ( cons @ SY353 @ nil ) @ SY354 )
                                       != SY383 ) )
                                | ~ ~ ! [SY355: $i] :
                                        ~ ~ ( ~ ( ssItem @ SY355 )
                                            | ~ ~ ! [SY356: $i] :
                                                    ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                              | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                               != sK4_SY335 ) )
                                                        | ~ ( leq @ SY355 @ SY353 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[826]) ).

thf(893,plain,
    ( ( ~ ( ~ ( ( nil != sK5_SY351 ) )
          | ( nil != sK4_SY335 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[826]) ).

thf(894,plain,
    ! [SV84: $i,SV7: $i,SV129: $i] :
      ( ( ( ~ ( ssList @ SV129 ) )
        = $true )
      | ( ( ( app @ ( app @ SV7 @ SV84 ) @ SV129 )
          = ( app @ SV7 @ ( app @ SV84 @ SV129 ) ) )
        = $true )
      | ( ( ssList @ SV84 )
        = $false )
      | ( ( ssList @ SV7 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[827]) ).

thf(895,plain,
    ! [SV85: $i,SV8: $i] :
      ( ( ( ~ ( ~ ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
              | ( nil = SV85 )
              | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                        | ~ ( totalorderedP @ SV85 ) )
                  | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[828]) ).

thf(896,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ~ ( ( nil = SV85 )
                  | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                            | ~ ( totalorderedP @ SV85 ) )
                      | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
              | ( totalorderedP @ ( cons @ SV8 @ SV85 ) ) ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[828]) ).

thf(897,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( lt @ SV9 @ SV86 )
              | ~ ( ~ ( ( SV9 != SV86 ) )
                  | ~ ( leq @ SV9 @ SV86 ) ) ) )
        = $false )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[829]) ).

thf(898,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( SV9 != SV86 ) )
                    | ~ ( leq @ SV9 @ SV86 ) )
              | ( lt @ SV9 @ SV86 ) ) )
        = $false )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[829]) ).

thf(899,plain,
    ! [SV87: $i,SV10: $i,SV130: $i] :
      ( ( ( ~ ( ssItem @ SV130 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( lt @ SV10 @ SV87 )
                | ~ ( lt @ SV87 @ SV130 ) )
          | ( lt @ SV10 @ SV130 ) )
        = $true )
      | ( ( ssItem @ SV87 )
        = $false )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[830]) ).

thf(900,plain,
    ( ( ~ ~ ( ~ ( ssItem @ sK8_SY342 )
            | ~ ( ( sK3_SX0 != sK8_SY342 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[831]) ).

thf(901,plain,
    ! [SV88: $i,SV11: $i] :
      ( ( ( ~ ( ( nil
               != ( app @ SV11 @ SV88 ) )
              | ~ ( ( nil != SV88 )
                  | ( nil != SV11 ) ) ) )
        = $false )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[832]) ).

thf(902,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( ~ ( ~ ~ ( ( nil != SV88 )
                    | ( nil != SV11 ) )
              | ( nil
                = ( app @ SV11 @ SV88 ) ) ) )
        = $false )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[832]) ).

thf(903,plain,
    ! [SV13: $i] :
      ( ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ! [SY221: $i] :
              ( ~ ( ssItem @ SY221 )
              | ! [SY222: $i] :
                  ( ~ ( ssItem @ SY222 )
                  | ! [SY223: $i] :
                      ( ~ ( ssList @ SY223 )
                      | ! [SY224: $i] :
                          ( ~ ( ssList @ SY224 )
                          | ! [SY225: $i] :
                              ( ~ ( ssList @ SY225 )
                              | ( ( app @ ( app @ SY223 @ ( cons @ SY221 @ SY224 ) ) @ ( cons @ SY222 @ SY225 ) )
                               != SV13 )
                              | ( SY221 != SY222 ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[833]) ).

thf(904,plain,
    ! [SV13: $i] :
      ( ( ( ! [SY226: $i] :
              ( ~ ( ssItem @ SY226 )
              | ! [SY227: $i] :
                  ( ~ ( ssItem @ SY227 )
                  | ! [SY228: $i] :
                      ( ~ ( ssList @ SY228 )
                      | ! [SY229: $i] :
                          ( ~ ( ssList @ SY229 )
                          | ! [SY230: $i] :
                              ( ~ ( ssList @ SY230 )
                              | ( ( app @ ( app @ SY228 @ ( cons @ SY226 @ SY229 ) ) @ ( cons @ SY227 @ SY230 ) )
                               != SV13 )
                              | ( SY226 != SY227 ) ) ) ) ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[834]) ).

thf(905,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ SV15 @ SV90 )
              | ~ ! [SY359: $i] :
                    ~ ~ ( ~ ( ssList @ SY359 )
                        | ( ( app @ SY359 @ SV90 )
                         != SV15 ) ) ) )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[835]) ).

thf(906,plain,
    ! [SV15: $i,SV90: $i] :
      ( ( ( ~ ( ~ ~ ! [SY360: $i] :
                      ~ ~ ( ~ ( ssList @ SY360 )
                          | ( ( app @ SY360 @ SV90 )
                           != SV15 ) )
              | ( rearsegP @ SV15 @ SV90 ) ) )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[835]) ).

thf(907,plain,
    ! [SV91: $i,SV16: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ SV16 @ SV91 )
              | ~ ( rearsegP @ SV91 @ SV16 ) ) )
        = $false )
      | ( ( SV16 = SV91 )
        = $true )
      | ( ( ssList @ SV91 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[836]) ).

thf(908,plain,
    ! [SV17: $i] :
      ( ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ! [SY236: $i] :
              ( ~ ( ssItem @ SY236 )
              | ! [SY237: $i] :
                  ( ~ ( ssItem @ SY237 )
                  | ! [SY238: $i] :
                      ( ~ ( ssList @ SY238 )
                      | ! [SY239: $i] :
                          ( ~ ( ssList @ SY239 )
                          | ( ( app @ SY238 @ ( cons @ SY236 @ ( cons @ SY237 @ SY239 ) ) )
                           != SV17 )
                          | ( SY236 = SY237 ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[837]) ).

thf(909,plain,
    ! [SV17: $i] :
      ( ( ( ! [SY240: $i] :
              ( ~ ( ssItem @ SY240 )
              | ! [SY241: $i] :
                  ( ~ ( ssItem @ SY241 )
                  | ! [SY242: $i] :
                      ( ~ ( ssList @ SY242 )
                      | ! [SY243: $i] :
                          ( ~ ( ssList @ SY243 )
                          | ( ( app @ SY242 @ ( cons @ SY240 @ ( cons @ SY241 @ SY243 ) ) )
                           != SV17 )
                          | ( SY240 = SY241 ) ) ) ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[838]) ).

thf(910,plain,
    ! [SV18: $i] :
      ( ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ! [SY244: $i] :
              ( ~ ( ssItem @ SY244 )
              | ! [SY245: $i] :
                  ( ~ ( ssItem @ SY245 )
                  | ! [SY246: $i] :
                      ( ~ ( ssList @ SY246 )
                      | ! [SY247: $i] :
                          ( ~ ( ssList @ SY247 )
                          | ! [SY248: $i] :
                              ( ~ ( ssList @ SY248 )
                              | ( ( app @ ( app @ SY246 @ ( cons @ SY244 @ SY247 ) ) @ ( cons @ SY245 @ SY248 ) )
                               != SV18 )
                              | ( leq @ SY244 @ SY245 ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[839]) ).

thf(911,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY249: $i] :
              ( ~ ( ssItem @ SY249 )
              | ! [SY250: $i] :
                  ( ~ ( ssItem @ SY250 )
                  | ! [SY251: $i] :
                      ( ~ ( ssList @ SY251 )
                      | ! [SY252: $i] :
                          ( ~ ( ssList @ SY252 )
                          | ! [SY253: $i] :
                              ( ~ ( ssList @ SY253 )
                              | ( ( app @ ( app @ SY251 @ ( cons @ SY249 @ SY252 ) ) @ ( cons @ SY250 @ SY253 ) )
                               != SV18 )
                              | ( leq @ SY249 @ SY250 ) ) ) ) ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[840]) ).

thf(912,plain,
    ! [SV20: $i] :
      ( ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ! [SY255: $i] :
              ( ~ ( ssItem @ SY255 )
              | ! [SY256: $i] :
                  ( ~ ( ssItem @ SY256 )
                  | ! [SY257: $i] :
                      ( ~ ( ssList @ SY257 )
                      | ! [SY258: $i] :
                          ( ~ ( ssList @ SY258 )
                          | ! [SY259: $i] :
                              ( ~ ( ssList @ SY259 )
                              | ( ( app @ ( app @ SY257 @ ( cons @ SY255 @ SY258 ) ) @ ( cons @ SY256 @ SY259 ) )
                               != SV20 )
                              | ( leq @ SY255 @ SY256 )
                              | ( leq @ SY256 @ SY255 ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[841]) ).

thf(913,plain,
    ! [SV20: $i] :
      ( ( ( ! [SY260: $i] :
              ( ~ ( ssItem @ SY260 )
              | ! [SY261: $i] :
                  ( ~ ( ssItem @ SY261 )
                  | ! [SY262: $i] :
                      ( ~ ( ssList @ SY262 )
                      | ! [SY263: $i] :
                          ( ~ ( ssList @ SY263 )
                          | ! [SY264: $i] :
                              ( ~ ( ssList @ SY264 )
                              | ( ( app @ ( app @ SY262 @ ( cons @ SY260 @ SY263 ) ) @ ( cons @ SY261 @ SY264 ) )
                               != SV20 )
                              | ( leq @ SY260 @ SY261 )
                              | ( leq @ SY261 @ SY260 ) ) ) ) ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[842]) ).

thf(914,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( memberP @ SV24 @ SV94 )
              | ~ ! [SY361: $i] :
                    ~ ~ ( ~ ( ssList @ SY361 )
                        | ~ ~ ! [SY362: $i] :
                                ~ ~ ( ~ ( ssList @ SY362 )
                                    | ( ( app @ SY361 @ ( cons @ SV94 @ SY362 ) )
                                     != SV24 ) ) ) ) )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[844]) ).

thf(915,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ( ~ ~ ! [SY363: $i] :
                      ~ ~ ( ~ ( ssList @ SY363 )
                          | ~ ~ ! [SY364: $i] :
                                  ~ ~ ( ~ ( ssList @ SY364 )
                                      | ( ( app @ SY363 @ ( cons @ SV94 @ SY364 ) )
                                       != SV24 ) ) )
              | ( memberP @ SV24 @ SV94 ) ) )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[844]) ).

thf(916,plain,
    ! [SV95: $i,SV26: $i,SV131: $i] :
      ( ( ( ~ ( ssList @ SV131 ) )
        = $true )
      | ( ( ! [SY390: $i] :
              ( ~ ( ssList @ SY390 )
              | ~ ( segmentP @ SV26 @ SV95 )
              | ( segmentP @ ( app @ ( app @ SV131 @ SV26 ) @ SY390 ) @ SV95 ) ) )
        = $true )
      | ( ( ssList @ SV95 )
        = $false )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[845]) ).

thf(917,plain,
    ! [SV96: $i,SV27: $i,SV132: $i] :
      ( ( ( ~ ( ssItem @ SV132 ) )
        = $true )
      | ( ( ! [SY391: $i] :
              ( ~ ( ssItem @ SY391 )
              | ( ( cons @ SV132 @ SV27 )
               != ( cons @ SY391 @ SV96 ) )
              | ~ ( ( SV132 != SY391 )
                  | ( SV96 != SV27 ) ) ) )
        = $true )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[846]) ).

thf(918,plain,
    ! [SV97: $i,SV29: $i,SV133: $i] :
      ( ( ( ~ ( ssList @ SV133 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( frontsegP @ SV29 @ SV97 )
                | ~ ( frontsegP @ SV97 @ SV133 ) )
          | ( frontsegP @ SV29 @ SV133 ) )
        = $true )
      | ( ( ssList @ SV97 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[847]) ).

thf(919,plain,
    ! [SV98: $i,SV30: $i] :
      ( ( ( nil != SV30 )
        = $false )
      | ( ( ( tl @ ( app @ SV30 @ SV98 ) )
          = ( app @ ( tl @ SV30 ) @ SV98 ) )
        = $true )
      | ( ( ssList @ SV98 )
        = $false )
      | ( ( ssList @ SV30 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[848]) ).

thf(920,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( ~ ( ~ ( neq @ SV31 @ SV99 )
              | ( SV31 != SV99 ) ) )
        = $false )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[849]) ).

thf(921,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( ~ ( ~ ( ( SV31 != SV99 ) )
              | ( neq @ SV31 @ SV99 ) ) )
        = $false )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[849]) ).

thf(922,plain,
    ! [SV32: $i,SV100: $i,SV134: $i] :
      ( ( ( ~ ( ssList @ SV134 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
                  | ( SV32 = SV100 )
                  | ( memberP @ SV134 @ SV32 ) )
              | ~ ( ~ ( ( SV32 = SV100 )
                      | ( memberP @ SV134 @ SV32 ) )
                  | ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 ) ) ) )
        = $true )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[850]) ).

thf(923,plain,
    ! [SV34: $i] :
      ( ( ( singletonP @ SV34 )
        = $false )
      | ( ( ~ ! [SY283: $i] :
                ~ ~ ( ~ ( ssItem @ SY283 )
                    | ( ( cons @ SY283 @ nil )
                     != SV34 ) ) )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[851]) ).

thf(924,plain,
    ! [SV34: $i] :
      ( ( ( ~ ! [SY284: $i] :
                ~ ~ ( ~ ( ssItem @ SY284 )
                    | ( ( cons @ SY284 @ nil )
                     != SV34 ) ) )
        = $false )
      | ( ( singletonP @ SV34 )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[852]) ).

thf(925,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( ~ ( ~ ( neq @ SV35 @ SV101 )
              | ( SV35 != SV101 ) ) )
        = $false )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[853]) ).

thf(926,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( ~ ( ~ ( ( SV35 != SV101 ) )
              | ( neq @ SV35 @ SV101 ) ) )
        = $false )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[853]) ).

thf(927,plain,
    ! [SV36: $i,SV102: $i,SV135: $i] :
      ( ( ( ~ ( ssItem @ SV135 ) )
        = $true )
      | ( ( ( cons @ SV135 @ ( app @ SV102 @ SV36 ) )
          = ( app @ ( cons @ SV135 @ SV102 ) @ SV36 ) )
        = $true )
      | ( ( ssList @ SV102 )
        = $false )
      | ( ( ssList @ SV36 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[854]) ).

thf(928,plain,
    ! [SV103: $i,SV40: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ SV40 @ SV103 )
              | ~ ( frontsegP @ SV103 @ SV40 ) ) )
        = $false )
      | ( ( SV40 = SV103 )
        = $true )
      | ( ( ssList @ SV103 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[855]) ).

thf(929,plain,
    ! [SV104: $i,SV43: $i] :
      ( ( ( ~ ( ~ ( leq @ SV43 @ SV104 )
              | ~ ( leq @ SV104 @ SV43 ) ) )
        = $false )
      | ( ( SV43 = SV104 )
        = $true )
      | ( ( ssItem @ SV104 )
        = $false )
      | ( ( ssItem @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[856]) ).

thf(930,plain,
    ! [SV44: $i] :
      ( ( ( rearsegP @ nil @ SV44 )
        = $false )
      | ( ( nil = SV44 )
        = $true )
      | ( ( ssList @ SV44 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[857]) ).

thf(931,plain,
    ! [SV44: $i] :
      ( ( ( nil = SV44 )
        = $false )
      | ( ( rearsegP @ nil @ SV44 )
        = $true )
      | ( ( ssList @ SV44 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[858]) ).

thf(932,plain,
    ! [SV45: $i] :
      ( ( ( frontsegP @ nil @ SV45 )
        = $false )
      | ( ( nil = SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[859]) ).

thf(933,plain,
    ! [SV45: $i] :
      ( ( ( nil = SV45 )
        = $false )
      | ( ( frontsegP @ nil @ SV45 )
        = $true )
      | ( ( ssList @ SV45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[860]) ).

thf(934,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ SV47 @ SV105 )
              | ~ ! [SY372: $i] :
                    ~ ~ ( ~ ( ssList @ SY372 )
                        | ( ( app @ SV105 @ SY372 )
                         != SV47 ) ) ) )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[861]) ).

thf(935,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ~ ( ~ ~ ! [SY373: $i] :
                      ~ ~ ( ~ ( ssList @ SY373 )
                          | ( ( app @ SV105 @ SY373 )
                           != SV47 ) )
              | ( frontsegP @ SV47 @ SV105 ) ) )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[861]) ).

thf(936,plain,
    ! [SV107: $i,SV51: $i,SV136: $i] :
      ( ( ( ~ ( ssItem @ SV136 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( geq @ SV51 @ SV107 )
                | ~ ( geq @ SV107 @ SV136 ) )
          | ( geq @ SV51 @ SV136 ) )
        = $true )
      | ( ( ssItem @ SV107 )
        = $false )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[863]) ).

thf(937,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( ssList @ ( sK6_SY296 @ SV52 ) )
          | ~ ~ ! [SY388: $i] :
                  ~ ~ ( ~ ( ssItem @ SY388 )
                      | ( ( cons @ SY388 @ ( sK6_SY296 @ SV52 ) )
                       != SV52 ) ) )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[864]) ).

thf(938,plain,
    ! [SV108: $i,SV53: $i] :
      ( ( ( nil != SV53 )
        = $false )
      | ( ( ( hd @ ( app @ SV53 @ SV108 ) )
          = ( hd @ SV53 ) )
        = $true )
      | ( ( ssList @ SV108 )
        = $false )
      | ( ( ssList @ SV53 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[865]) ).

thf(939,plain,
    ! [SV109: $i,SV55: $i] :
      ( ( ( leq @ SV55 @ SV109 )
        = $false )
      | ( ( ( SV55 = SV109 )
          | ( lt @ SV55 @ SV109 ) )
        = $true )
      | ( ( ssItem @ SV109 )
        = $false )
      | ( ( ssItem @ SV55 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[866]) ).

thf(940,plain,
    ! [SV56: $i,SV110: $i,SV137: $i] :
      ( ( ( ~ ( ssList @ SV137 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
                  | ( memberP @ SV110 @ SV56 )
                  | ( memberP @ SV137 @ SV56 ) )
              | ~ ( ~ ( ( memberP @ SV110 @ SV56 )
                      | ( memberP @ SV137 @ SV56 ) )
                  | ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 ) ) ) )
        = $true )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[867]) ).

thf(941,plain,
    ! [SV111: $i,SV57: $i,SV138: $i] :
      ( ( ( ~ ( ssItem @ SV138 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( leq @ SV57 @ SV111 )
                | ~ ( lt @ SV111 @ SV138 ) )
          | ( lt @ SV57 @ SV138 ) )
        = $true )
      | ( ( ssItem @ SV111 )
        = $false )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[868]) ).

thf(942,plain,
    ! [SV112: $i,SV58: $i,SV139: $i] :
      ( ( ( ~ ( ssItem @ SV139 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( gt @ SV58 @ SV112 )
                | ~ ( gt @ SV112 @ SV139 ) )
          | ( gt @ SV58 @ SV139 ) )
        = $true )
      | ( ( ssItem @ SV112 )
        = $false )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[869]) ).

thf(943,plain,
    ! [SV113: $i,SV59: $i] :
      ( ( ( lt @ SV59 @ SV113 )
        = $false )
      | ( ( ~ ( lt @ SV113 @ SV59 ) )
        = $true )
      | ( ( ssItem @ SV113 )
        = $false )
      | ( ( ssItem @ SV59 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[870]) ).

thf(944,plain,
    ! [SV115: $i,SV62: $i,SV140: $i] :
      ( ( ( ~ ( ssList @ SV140 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( segmentP @ SV62 @ SV115 )
                | ~ ( segmentP @ SV115 @ SV140 ) )
          | ( segmentP @ SV62 @ SV140 ) )
        = $true )
      | ( ( ssList @ SV115 )
        = $false )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[871]) ).

thf(945,plain,
    ! [SV64: $i] :
      ( ( ( ~ ~ ( ~ ( ssItem @ ( sK9_SY311 @ SV64 ) )
                | ( ( hd @ SV64 )
                 != ( sK9_SY311 @ SV64 ) ) ) )
        = $false )
      | ( ( nil = SV64 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[872]) ).

thf(946,plain,
    ! [SV65: $i,SV117: $i,SV141: $i] :
      ( ( ( ~ ( ssList @ SV141 ) )
        = $true )
      | ( ( ( ( app @ SV141 @ SV117 )
           != ( app @ SV65 @ SV117 ) )
          | ( SV141 = SV65 ) )
        = $true )
      | ( ( ssList @ SV117 )
        = $false )
      | ( ( ssList @ SV65 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[873]) ).

thf(947,plain,
    ! [SV66: $i] :
      ( ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ! [SY314: $i] :
              ( ~ ( ssItem @ SY314 )
              | ! [SY315: $i] :
                  ( ~ ( ssItem @ SY315 )
                  | ! [SY316: $i] :
                      ( ~ ( ssList @ SY316 )
                      | ! [SY317: $i] :
                          ( ~ ( ssList @ SY317 )
                          | ! [SY318: $i] :
                              ( ~ ( ssList @ SY318 )
                              | ( ( app @ ( app @ SY316 @ ( cons @ SY314 @ SY317 ) ) @ ( cons @ SY315 @ SY318 ) )
                               != SV66 )
                              | ~ ~ ( ~ ( leq @ SY314 @ SY315 )
                                    | ~ ( leq @ SY315 @ SY314 ) ) ) ) ) ) ) )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[874]) ).

thf(948,plain,
    ! [SV66: $i] :
      ( ( ( ! [SY319: $i] :
              ( ~ ( ssItem @ SY319 )
              | ! [SY320: $i] :
                  ( ~ ( ssItem @ SY320 )
                  | ! [SY321: $i] :
                      ( ~ ( ssList @ SY321 )
                      | ! [SY322: $i] :
                          ( ~ ( ssList @ SY322 )
                          | ! [SY323: $i] :
                              ( ~ ( ssList @ SY323 )
                              | ( ( app @ ( app @ SY321 @ ( cons @ SY319 @ SY322 ) ) @ ( cons @ SY320 @ SY323 ) )
                               != SV66 )
                              | ~ ~ ( ~ ( leq @ SY319 @ SY320 )
                                    | ~ ( leq @ SY320 @ SY319 ) ) ) ) ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[875]) ).

thf(949,plain,
    ! [SV118: $i,SV69: $i] :
      ( ( ( gt @ SV69 @ SV118 )
        = $false )
      | ( ( ~ ( gt @ SV118 @ SV69 ) )
        = $true )
      | ( ( ssItem @ SV118 )
        = $false )
      | ( ( ssItem @ SV69 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[876]) ).

thf(950,plain,
    ! [SV119: $i,SV72: $i,SV142: $i] :
      ( ( ( ~ ( ssList @ SV142 ) )
        = $true )
      | ( ( ~ ( frontsegP @ SV72 @ SV119 )
          | ( frontsegP @ ( app @ SV72 @ SV142 ) @ SV119 ) )
        = $true )
      | ( ( ssList @ SV119 )
        = $false )
      | ( ( ssList @ SV72 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[877]) ).

thf(951,plain,
    ! [SV120: $i,SV73: $i] :
      ( ( ( ~ ( ~ ( segmentP @ SV73 @ SV120 )
              | ~ ( segmentP @ SV120 @ SV73 ) ) )
        = $false )
      | ( ( SV73 = SV120 )
        = $true )
      | ( ( ssList @ SV120 )
        = $false )
      | ( ( ssList @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[878]) ).

thf(952,plain,
    ! [SV74: $i] :
      ( ( ( segmentP @ nil @ SV74 )
        = $false )
      | ( ( nil = SV74 )
        = $true )
      | ( ( ssList @ SV74 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[879]) ).

thf(953,plain,
    ! [SV74: $i] :
      ( ( ( nil = SV74 )
        = $false )
      | ( ( segmentP @ nil @ SV74 )
        = $true )
      | ( ( ssList @ SV74 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[880]) ).

thf(954,plain,
    ! [SV121: $i,SV75: $i,SV143: $i] :
      ( ( ( ~ ( ssList @ SV143 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( rearsegP @ SV75 @ SV121 )
                | ~ ( rearsegP @ SV121 @ SV143 ) )
          | ( rearsegP @ SV75 @ SV143 ) )
        = $true )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[881]) ).

thf(955,plain,
    ! [SV123: $i,SV77: $i] :
      ( ( ( ~ ( ~ ( geq @ SV77 @ SV123 )
              | ( leq @ SV123 @ SV77 ) ) )
        = $false )
      | ( ( ssItem @ SV123 )
        = $false )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[882]) ).

thf(956,plain,
    ! [SV77: $i,SV123: $i] :
      ( ( ( ~ ( ~ ( leq @ SV123 @ SV77 )
              | ( geq @ SV77 @ SV123 ) ) )
        = $false )
      | ( ( ssItem @ SV123 )
        = $false )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[882]) ).

thf(957,plain,
    ! [SV124: $i,SV78: $i] :
      ( ( ( ~ ( ~ ( geq @ SV78 @ SV124 )
              | ~ ( geq @ SV124 @ SV78 ) ) )
        = $false )
      | ( ( SV78 = SV124 )
        = $true )
      | ( ( ssItem @ SV124 )
        = $false )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[883]) ).

thf(958,plain,
    ! [SV125: $i,SV79: $i,SV144: $i] :
      ( ( ( ~ ( ssItem @ SV144 ) )
        = $true )
      | ( ( ~ ~ ( ~ ( leq @ SV79 @ SV125 )
                | ~ ( leq @ SV125 @ SV144 ) )
          | ( leq @ SV79 @ SV144 ) )
        = $true )
      | ( ( ssItem @ SV125 )
        = $false )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[884]) ).

thf(959,plain,
    ! [SV80: $i,SV1: $i,SV126: $i] :
      ( ( ( ssList @ SV126 )
        = $false )
      | ( ( ~ ( rearsegP @ SV1 @ SV80 )
          | ( rearsegP @ ( app @ SV126 @ SV1 ) @ SV80 ) )
        = $true )
      | ( ( ssList @ SV80 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[885]) ).

thf(960,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK7_SY203 @ SV2 ) )
              | ( ( tl @ SV2 )
               != ( sK7_SY203 @ SV2 ) ) ) )
        = $true )
      | ( ( nil = SV2 )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[886]) ).

thf(961,plain,
    ! [SV81: $i,SV3: $i,SV127: $i] :
      ( ( ( ssList @ SV127 )
        = $false )
      | ( ( ! [SY389: $i] :
              ( ~ ( ssList @ SY389 )
              | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SY389 ) )
                      | ~ ( ( SV3 != SV81 )
                          | ~ ( frontsegP @ SV127 @ SY389 ) ) )
                  | ~ ( ~ ~ ( ( SV3 != SV81 )
                            | ~ ( frontsegP @ SV127 @ SY389 ) )
                      | ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SY389 ) ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[887]) ).

thf(962,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ( segmentP @ SV4 @ SV82 )
          | ~ ! [SY346: $i] :
                ~ ~ ( ~ ( ssList @ SY346 )
                    | ~ ~ ! [SY347: $i] :
                            ~ ~ ( ~ ( ssList @ SY347 )
                                | ( ( app @ ( app @ SY346 @ SV82 ) @ SY347 )
                                 != SV4 ) ) ) )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[888]) ).

thf(963,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ~ ! [SY348: $i] :
                  ~ ~ ( ~ ( ssList @ SY348 )
                      | ~ ~ ! [SY349: $i] :
                              ~ ~ ( ~ ( ssList @ SY349 )
                                  | ( ( app @ ( app @ SY348 @ SV82 ) @ SY349 )
                                   != SV4 ) ) )
          | ( segmentP @ SV4 @ SV82 ) )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[889]) ).

thf(964,plain,
    ! [SV5: $i,SV83: $i,SV128: $i] :
      ( ( ( ssList @ SV128 )
        = $false )
      | ( ( ( ( app @ SV83 @ SV128 )
           != ( app @ SV83 @ SV5 ) )
          | ( SV128 = SV5 ) )
        = $true )
      | ( ( ssList @ SV83 )
        = $false )
      | ( ( ssList @ SV5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[890]) ).

thf(965,plain,
    ( ( ( nil != sK2_SX0 )
      | ( sK2_SX0 != sK5_SY351 )
      | ( sK1_U != sK4_SY335 )
      | ( nil = sK1_U ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[892]) ).

thf(966,plain,
    ( ( ! [SY383: $i] :
          ( ~ ( ssList @ SY383 )
          | ( ( app @ sK4_SY335 @ SY383 )
           != sK5_SY351 )
          | ~ ( totalorderedP @ sK4_SY335 )
          | ~ ! [SY353: $i] :
                ~ ~ ( ~ ( ssItem @ SY353 )
                    | ~ ~ ! [SY354: $i] :
                            ~ ~ ( ~ ~ ( ~ ( ssList @ SY354 )
                                      | ( ( app @ ( cons @ SY353 @ nil ) @ SY354 )
                                       != SY383 ) )
                                | ~ ~ ! [SY355: $i] :
                                        ~ ~ ( ~ ( ssItem @ SY355 )
                                            | ~ ~ ! [SY356: $i] :
                                                    ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                              | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                               != sK4_SY335 ) )
                                                        | ~ ( leq @ SY355 @ SY353 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[892]) ).

thf(967,plain,
    ( ( ~ ( ( nil != sK5_SY351 ) )
      | ( nil != sK4_SY335 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[893]) ).

thf(968,plain,
    ! [SV84: $i,SV7: $i,SV129: $i] :
      ( ( ( ssList @ SV129 )
        = $false )
      | ( ( ( app @ ( app @ SV7 @ SV84 ) @ SV129 )
          = ( app @ SV7 @ ( app @ SV84 @ SV129 ) ) )
        = $true )
      | ( ( ssList @ SV84 )
        = $false )
      | ( ( ssList @ SV7 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[894]) ).

thf(969,plain,
    ! [SV85: $i,SV8: $i] :
      ( ( ( ~ ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
          | ( nil = SV85 )
          | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                    | ~ ( totalorderedP @ SV85 ) )
              | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[895]) ).

thf(970,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ( nil = SV85 )
              | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                        | ~ ( totalorderedP @ SV85 ) )
                  | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
          | ( totalorderedP @ ( cons @ SV8 @ SV85 ) ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[896]) ).

thf(971,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( lt @ SV9 @ SV86 )
          | ~ ( ~ ( ( SV9 != SV86 ) )
              | ~ ( leq @ SV9 @ SV86 ) ) )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[897]) ).

thf(972,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ~ ( ~ ( ( SV9 != SV86 ) )
                | ~ ( leq @ SV9 @ SV86 ) )
          | ( lt @ SV9 @ SV86 ) )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[898]) ).

thf(973,plain,
    ! [SV87: $i,SV10: $i,SV130: $i] :
      ( ( ( ssItem @ SV130 )
        = $false )
      | ( ( ~ ~ ( ~ ( lt @ SV10 @ SV87 )
                | ~ ( lt @ SV87 @ SV130 ) )
          | ( lt @ SV10 @ SV130 ) )
        = $true )
      | ( ( ssItem @ SV87 )
        = $false )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[899]) ).

thf(974,plain,
    ( ( ~ ( ~ ( ssItem @ sK8_SY342 )
          | ~ ( ( sK3_SX0 != sK8_SY342 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[900]) ).

thf(975,plain,
    ! [SV88: $i,SV11: $i] :
      ( ( ( ( nil
           != ( app @ SV11 @ SV88 ) )
          | ~ ( ( nil != SV88 )
              | ( nil != SV11 ) ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[901]) ).

thf(976,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( ~ ~ ( ( nil != SV88 )
                | ( nil != SV11 ) )
          | ( nil
            = ( app @ SV11 @ SV88 ) ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[902]) ).

thf(977,plain,
    ! [SV13: $i,SV145: $i] :
      ( ( ( ~ ( ssItem @ SV145 )
          | ! [SY392: $i] :
              ( ~ ( ssItem @ SY392 )
              | ! [SY393: $i] :
                  ( ~ ( ssList @ SY393 )
                  | ! [SY394: $i] :
                      ( ~ ( ssList @ SY394 )
                      | ! [SY395: $i] :
                          ( ~ ( ssList @ SY395 )
                          | ( ( app @ ( app @ SY393 @ ( cons @ SV145 @ SY394 ) ) @ ( cons @ SY392 @ SY395 ) )
                           != SV13 )
                          | ( SV145 != SY392 ) ) ) ) ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[903]) ).

thf(978,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssItem @ ( sK10_SY226 @ SV13 ) )
          | ! [SY396: $i] :
              ( ~ ( ssItem @ SY396 )
              | ! [SY397: $i] :
                  ( ~ ( ssList @ SY397 )
                  | ! [SY398: $i] :
                      ( ~ ( ssList @ SY398 )
                      | ! [SY399: $i] :
                          ( ~ ( ssList @ SY399 )
                          | ( ( app @ ( app @ SY397 @ ( cons @ ( sK10_SY226 @ SV13 ) @ SY398 ) ) @ ( cons @ SY396 @ SY399 ) )
                           != SV13 )
                          | ( ( sK10_SY226 @ SV13 )
                           != SY396 ) ) ) ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[904]) ).

thf(979,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ~ ( rearsegP @ SV15 @ SV90 )
          | ~ ! [SY359: $i] :
                ~ ~ ( ~ ( ssList @ SY359 )
                    | ( ( app @ SY359 @ SV90 )
                     != SV15 ) ) )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[905]) ).

thf(980,plain,
    ! [SV15: $i,SV90: $i] :
      ( ( ( ~ ~ ! [SY360: $i] :
                  ~ ~ ( ~ ( ssList @ SY360 )
                      | ( ( app @ SY360 @ SV90 )
                       != SV15 ) )
          | ( rearsegP @ SV15 @ SV90 ) )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[906]) ).

thf(981,plain,
    ! [SV91: $i,SV16: $i] :
      ( ( ( ~ ( rearsegP @ SV16 @ SV91 )
          | ~ ( rearsegP @ SV91 @ SV16 ) )
        = $true )
      | ( ( SV16 = SV91 )
        = $true )
      | ( ( ssList @ SV91 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[907]) ).

thf(982,plain,
    ! [SV17: $i,SV146: $i] :
      ( ( ( ~ ( ssItem @ SV146 )
          | ! [SY400: $i] :
              ( ~ ( ssItem @ SY400 )
              | ! [SY401: $i] :
                  ( ~ ( ssList @ SY401 )
                  | ! [SY402: $i] :
                      ( ~ ( ssList @ SY402 )
                      | ( ( app @ SY401 @ ( cons @ SV146 @ ( cons @ SY400 @ SY402 ) ) )
                       != SV17 )
                      | ( SV146 = SY400 ) ) ) ) )
        = $true )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[908]) ).

thf(983,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssItem @ ( sK11_SY240 @ SV17 ) )
          | ! [SY403: $i] :
              ( ~ ( ssItem @ SY403 )
              | ! [SY404: $i] :
                  ( ~ ( ssList @ SY404 )
                  | ! [SY405: $i] :
                      ( ~ ( ssList @ SY405 )
                      | ( ( app @ SY404 @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ SY403 @ SY405 ) ) )
                       != SV17 )
                      | ( ( sK11_SY240 @ SV17 )
                        = SY403 ) ) ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[909]) ).

thf(984,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( ssItem @ SV147 )
          | ! [SY406: $i] :
              ( ~ ( ssItem @ SY406 )
              | ! [SY407: $i] :
                  ( ~ ( ssList @ SY407 )
                  | ! [SY408: $i] :
                      ( ~ ( ssList @ SY408 )
                      | ! [SY409: $i] :
                          ( ~ ( ssList @ SY409 )
                          | ( ( app @ ( app @ SY407 @ ( cons @ SV147 @ SY408 ) ) @ ( cons @ SY406 @ SY409 ) )
                           != SV18 )
                          | ( leq @ SV147 @ SY406 ) ) ) ) ) )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[910]) ).

thf(985,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssItem @ ( sK12_SY249 @ SV18 ) )
          | ! [SY410: $i] :
              ( ~ ( ssItem @ SY410 )
              | ! [SY411: $i] :
                  ( ~ ( ssList @ SY411 )
                  | ! [SY412: $i] :
                      ( ~ ( ssList @ SY412 )
                      | ! [SY413: $i] :
                          ( ~ ( ssList @ SY413 )
                          | ( ( app @ ( app @ SY411 @ ( cons @ ( sK12_SY249 @ SV18 ) @ SY412 ) ) @ ( cons @ SY410 @ SY413 ) )
                           != SV18 )
                          | ( leq @ ( sK12_SY249 @ SV18 ) @ SY410 ) ) ) ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[911]) ).

thf(986,plain,
    ! [SV20: $i,SV148: $i] :
      ( ( ( ~ ( ssItem @ SV148 )
          | ! [SY414: $i] :
              ( ~ ( ssItem @ SY414 )
              | ! [SY415: $i] :
                  ( ~ ( ssList @ SY415 )
                  | ! [SY416: $i] :
                      ( ~ ( ssList @ SY416 )
                      | ! [SY417: $i] :
                          ( ~ ( ssList @ SY417 )
                          | ( ( app @ ( app @ SY415 @ ( cons @ SV148 @ SY416 ) ) @ ( cons @ SY414 @ SY417 ) )
                           != SV20 )
                          | ( leq @ SV148 @ SY414 )
                          | ( leq @ SY414 @ SV148 ) ) ) ) ) )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[912]) ).

thf(987,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssItem @ ( sK13_SY260 @ SV20 ) )
          | ! [SY418: $i] :
              ( ~ ( ssItem @ SY418 )
              | ! [SY419: $i] :
                  ( ~ ( ssList @ SY419 )
                  | ! [SY420: $i] :
                      ( ~ ( ssList @ SY420 )
                      | ! [SY421: $i] :
                          ( ~ ( ssList @ SY421 )
                          | ( ( app @ ( app @ SY419 @ ( cons @ ( sK13_SY260 @ SV20 ) @ SY420 ) ) @ ( cons @ SY418 @ SY421 ) )
                           != SV20 )
                          | ( leq @ ( sK13_SY260 @ SV20 ) @ SY418 )
                          | ( leq @ SY418 @ ( sK13_SY260 @ SV20 ) ) ) ) ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[913]) ).

thf(988,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ( memberP @ SV24 @ SV94 )
          | ~ ! [SY361: $i] :
                ~ ~ ( ~ ( ssList @ SY361 )
                    | ~ ~ ! [SY362: $i] :
                            ~ ~ ( ~ ( ssList @ SY362 )
                                | ( ( app @ SY361 @ ( cons @ SV94 @ SY362 ) )
                                 != SV24 ) ) ) )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[914]) ).

thf(989,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ~ ! [SY363: $i] :
                  ~ ~ ( ~ ( ssList @ SY363 )
                      | ~ ~ ! [SY364: $i] :
                              ~ ~ ( ~ ( ssList @ SY364 )
                                  | ( ( app @ SY363 @ ( cons @ SV94 @ SY364 ) )
                                   != SV24 ) ) )
          | ( memberP @ SV24 @ SV94 ) )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[915]) ).

thf(990,plain,
    ! [SV95: $i,SV26: $i,SV131: $i] :
      ( ( ( ssList @ SV131 )
        = $false )
      | ( ( ! [SY390: $i] :
              ( ~ ( ssList @ SY390 )
              | ~ ( segmentP @ SV26 @ SV95 )
              | ( segmentP @ ( app @ ( app @ SV131 @ SV26 ) @ SY390 ) @ SV95 ) ) )
        = $true )
      | ( ( ssList @ SV95 )
        = $false )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[916]) ).

thf(991,plain,
    ! [SV96: $i,SV27: $i,SV132: $i] :
      ( ( ( ssItem @ SV132 )
        = $false )
      | ( ( ! [SY391: $i] :
              ( ~ ( ssItem @ SY391 )
              | ( ( cons @ SV132 @ SV27 )
               != ( cons @ SY391 @ SV96 ) )
              | ~ ( ( SV132 != SY391 )
                  | ( SV96 != SV27 ) ) ) )
        = $true )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[917]) ).

thf(992,plain,
    ! [SV97: $i,SV29: $i,SV133: $i] :
      ( ( ( ssList @ SV133 )
        = $false )
      | ( ( ~ ~ ( ~ ( frontsegP @ SV29 @ SV97 )
                | ~ ( frontsegP @ SV97 @ SV133 ) )
          | ( frontsegP @ SV29 @ SV133 ) )
        = $true )
      | ( ( ssList @ SV97 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[918]) ).

thf(993,plain,
    ! [SV98: $i,SV30: $i] :
      ( ( ( nil = SV30 )
        = $true )
      | ( ( ( tl @ ( app @ SV30 @ SV98 ) )
          = ( app @ ( tl @ SV30 ) @ SV98 ) )
        = $true )
      | ( ( ssList @ SV98 )
        = $false )
      | ( ( ssList @ SV30 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[919]) ).

thf(994,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( ~ ( neq @ SV31 @ SV99 )
          | ( SV31 != SV99 ) )
        = $true )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[920]) ).

thf(995,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( ~ ( ( SV31 != SV99 ) )
          | ( neq @ SV31 @ SV99 ) )
        = $true )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[921]) ).

thf(996,plain,
    ! [SV32: $i,SV100: $i,SV134: $i] :
      ( ( ( ssList @ SV134 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
                  | ( SV32 = SV100 )
                  | ( memberP @ SV134 @ SV32 ) )
              | ~ ( ~ ( ( SV32 = SV100 )
                      | ( memberP @ SV134 @ SV32 ) )
                  | ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 ) ) ) )
        = $true )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[922]) ).

thf(997,plain,
    ! [SV34: $i] :
      ( ( ( ! [SY283: $i] :
              ~ ~ ( ~ ( ssItem @ SY283 )
                  | ( ( cons @ SY283 @ nil )
                   != SV34 ) ) )
        = $false )
      | ( ( singletonP @ SV34 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[923]) ).

thf(998,plain,
    ! [SV34: $i] :
      ( ( ( ! [SY284: $i] :
              ~ ~ ( ~ ( ssItem @ SY284 )
                  | ( ( cons @ SY284 @ nil )
                   != SV34 ) ) )
        = $true )
      | ( ( singletonP @ SV34 )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[924]) ).

thf(999,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( ~ ( neq @ SV35 @ SV101 )
          | ( SV35 != SV101 ) )
        = $true )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[925]) ).

thf(1000,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( ~ ( ( SV35 != SV101 ) )
          | ( neq @ SV35 @ SV101 ) )
        = $true )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[926]) ).

thf(1001,plain,
    ! [SV36: $i,SV102: $i,SV135: $i] :
      ( ( ( ssItem @ SV135 )
        = $false )
      | ( ( ( cons @ SV135 @ ( app @ SV102 @ SV36 ) )
          = ( app @ ( cons @ SV135 @ SV102 ) @ SV36 ) )
        = $true )
      | ( ( ssList @ SV102 )
        = $false )
      | ( ( ssList @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[927]) ).

thf(1002,plain,
    ! [SV103: $i,SV40: $i] :
      ( ( ( ~ ( frontsegP @ SV40 @ SV103 )
          | ~ ( frontsegP @ SV103 @ SV40 ) )
        = $true )
      | ( ( SV40 = SV103 )
        = $true )
      | ( ( ssList @ SV103 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[928]) ).

thf(1003,plain,
    ! [SV104: $i,SV43: $i] :
      ( ( ( ~ ( leq @ SV43 @ SV104 )
          | ~ ( leq @ SV104 @ SV43 ) )
        = $true )
      | ( ( SV43 = SV104 )
        = $true )
      | ( ( ssItem @ SV104 )
        = $false )
      | ( ( ssItem @ SV43 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[929]) ).

thf(1004,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( ~ ( frontsegP @ SV47 @ SV105 )
          | ~ ! [SY372: $i] :
                ~ ~ ( ~ ( ssList @ SY372 )
                    | ( ( app @ SV105 @ SY372 )
                     != SV47 ) ) )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[934]) ).

thf(1005,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ~ ~ ! [SY373: $i] :
                  ~ ~ ( ~ ( ssList @ SY373 )
                      | ( ( app @ SV105 @ SY373 )
                       != SV47 ) )
          | ( frontsegP @ SV47 @ SV105 ) )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[935]) ).

thf(1006,plain,
    ! [SV107: $i,SV51: $i,SV136: $i] :
      ( ( ( ssItem @ SV136 )
        = $false )
      | ( ( ~ ~ ( ~ ( geq @ SV51 @ SV107 )
                | ~ ( geq @ SV107 @ SV136 ) )
          | ( geq @ SV51 @ SV136 ) )
        = $true )
      | ( ( ssItem @ SV107 )
        = $false )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[936]) ).

thf(1007,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( ssList @ ( sK6_SY296 @ SV52 ) ) )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[937]) ).

thf(1008,plain,
    ! [SV52: $i] :
      ( ( ( ~ ~ ! [SY388: $i] :
                  ~ ~ ( ~ ( ssItem @ SY388 )
                      | ( ( cons @ SY388 @ ( sK6_SY296 @ SV52 ) )
                       != SV52 ) ) )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[937]) ).

thf(1009,plain,
    ! [SV108: $i,SV53: $i] :
      ( ( ( nil = SV53 )
        = $true )
      | ( ( ( hd @ ( app @ SV53 @ SV108 ) )
          = ( hd @ SV53 ) )
        = $true )
      | ( ( ssList @ SV108 )
        = $false )
      | ( ( ssList @ SV53 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[938]) ).

thf(1010,plain,
    ! [SV109: $i,SV55: $i] :
      ( ( ( SV55 = SV109 )
        = $true )
      | ( ( lt @ SV55 @ SV109 )
        = $true )
      | ( ( leq @ SV55 @ SV109 )
        = $false )
      | ( ( ssItem @ SV109 )
        = $false )
      | ( ( ssItem @ SV55 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[939]) ).

thf(1011,plain,
    ! [SV56: $i,SV110: $i,SV137: $i] :
      ( ( ( ssList @ SV137 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
                  | ( memberP @ SV110 @ SV56 )
                  | ( memberP @ SV137 @ SV56 ) )
              | ~ ( ~ ( ( memberP @ SV110 @ SV56 )
                      | ( memberP @ SV137 @ SV56 ) )
                  | ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 ) ) ) )
        = $true )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[940]) ).

thf(1012,plain,
    ! [SV111: $i,SV57: $i,SV138: $i] :
      ( ( ( ssItem @ SV138 )
        = $false )
      | ( ( ~ ~ ( ~ ( leq @ SV57 @ SV111 )
                | ~ ( lt @ SV111 @ SV138 ) )
          | ( lt @ SV57 @ SV138 ) )
        = $true )
      | ( ( ssItem @ SV111 )
        = $false )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[941]) ).

thf(1013,plain,
    ! [SV112: $i,SV58: $i,SV139: $i] :
      ( ( ( ssItem @ SV139 )
        = $false )
      | ( ( ~ ~ ( ~ ( gt @ SV58 @ SV112 )
                | ~ ( gt @ SV112 @ SV139 ) )
          | ( gt @ SV58 @ SV139 ) )
        = $true )
      | ( ( ssItem @ SV112 )
        = $false )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[942]) ).

thf(1014,plain,
    ! [SV59: $i,SV113: $i] :
      ( ( ( lt @ SV113 @ SV59 )
        = $false )
      | ( ( lt @ SV59 @ SV113 )
        = $false )
      | ( ( ssItem @ SV113 )
        = $false )
      | ( ( ssItem @ SV59 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[943]) ).

thf(1015,plain,
    ! [SV115: $i,SV62: $i,SV140: $i] :
      ( ( ( ssList @ SV140 )
        = $false )
      | ( ( ~ ~ ( ~ ( segmentP @ SV62 @ SV115 )
                | ~ ( segmentP @ SV115 @ SV140 ) )
          | ( segmentP @ SV62 @ SV140 ) )
        = $true )
      | ( ( ssList @ SV115 )
        = $false )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[944]) ).

thf(1016,plain,
    ! [SV64: $i] :
      ( ( ( ~ ( ~ ( ssItem @ ( sK9_SY311 @ SV64 ) )
              | ( ( hd @ SV64 )
               != ( sK9_SY311 @ SV64 ) ) ) )
        = $true )
      | ( ( nil = SV64 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[945]) ).

thf(1017,plain,
    ! [SV65: $i,SV117: $i,SV141: $i] :
      ( ( ( ssList @ SV141 )
        = $false )
      | ( ( ( ( app @ SV141 @ SV117 )
           != ( app @ SV65 @ SV117 ) )
          | ( SV141 = SV65 ) )
        = $true )
      | ( ( ssList @ SV117 )
        = $false )
      | ( ( ssList @ SV65 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[946]) ).

thf(1018,plain,
    ! [SV66: $i,SV149: $i] :
      ( ( ( ~ ( ssItem @ SV149 )
          | ! [SY422: $i] :
              ( ~ ( ssItem @ SY422 )
              | ! [SY423: $i] :
                  ( ~ ( ssList @ SY423 )
                  | ! [SY424: $i] :
                      ( ~ ( ssList @ SY424 )
                      | ! [SY425: $i] :
                          ( ~ ( ssList @ SY425 )
                          | ( ( app @ ( app @ SY423 @ ( cons @ SV149 @ SY424 ) ) @ ( cons @ SY422 @ SY425 ) )
                           != SV66 )
                          | ~ ~ ( ~ ( leq @ SV149 @ SY422 )
                                | ~ ( leq @ SY422 @ SV149 ) ) ) ) ) ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[947]) ).

thf(1019,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssItem @ ( sK14_SY319 @ SV66 ) )
          | ! [SY426: $i] :
              ( ~ ( ssItem @ SY426 )
              | ! [SY427: $i] :
                  ( ~ ( ssList @ SY427 )
                  | ! [SY428: $i] :
                      ( ~ ( ssList @ SY428 )
                      | ! [SY429: $i] :
                          ( ~ ( ssList @ SY429 )
                          | ( ( app @ ( app @ SY427 @ ( cons @ ( sK14_SY319 @ SV66 ) @ SY428 ) ) @ ( cons @ SY426 @ SY429 ) )
                           != SV66 )
                          | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ SY426 )
                                | ~ ( leq @ SY426 @ ( sK14_SY319 @ SV66 ) ) ) ) ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[948]) ).

thf(1020,plain,
    ! [SV69: $i,SV118: $i] :
      ( ( ( gt @ SV118 @ SV69 )
        = $false )
      | ( ( gt @ SV69 @ SV118 )
        = $false )
      | ( ( ssItem @ SV118 )
        = $false )
      | ( ( ssItem @ SV69 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[949]) ).

thf(1021,plain,
    ! [SV119: $i,SV72: $i,SV142: $i] :
      ( ( ( ssList @ SV142 )
        = $false )
      | ( ( ~ ( frontsegP @ SV72 @ SV119 )
          | ( frontsegP @ ( app @ SV72 @ SV142 ) @ SV119 ) )
        = $true )
      | ( ( ssList @ SV119 )
        = $false )
      | ( ( ssList @ SV72 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[950]) ).

thf(1022,plain,
    ! [SV120: $i,SV73: $i] :
      ( ( ( ~ ( segmentP @ SV73 @ SV120 )
          | ~ ( segmentP @ SV120 @ SV73 ) )
        = $true )
      | ( ( SV73 = SV120 )
        = $true )
      | ( ( ssList @ SV120 )
        = $false )
      | ( ( ssList @ SV73 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[951]) ).

thf(1023,plain,
    ! [SV121: $i,SV75: $i,SV143: $i] :
      ( ( ( ssList @ SV143 )
        = $false )
      | ( ( ~ ~ ( ~ ( rearsegP @ SV75 @ SV121 )
                | ~ ( rearsegP @ SV121 @ SV143 ) )
          | ( rearsegP @ SV75 @ SV143 ) )
        = $true )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[954]) ).

thf(1024,plain,
    ! [SV123: $i,SV77: $i] :
      ( ( ( ~ ( geq @ SV77 @ SV123 )
          | ( leq @ SV123 @ SV77 ) )
        = $true )
      | ( ( ssItem @ SV123 )
        = $false )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[955]) ).

thf(1025,plain,
    ! [SV77: $i,SV123: $i] :
      ( ( ( ~ ( leq @ SV123 @ SV77 )
          | ( geq @ SV77 @ SV123 ) )
        = $true )
      | ( ( ssItem @ SV123 )
        = $false )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[956]) ).

thf(1026,plain,
    ! [SV124: $i,SV78: $i] :
      ( ( ( ~ ( geq @ SV78 @ SV124 )
          | ~ ( geq @ SV124 @ SV78 ) )
        = $true )
      | ( ( SV78 = SV124 )
        = $true )
      | ( ( ssItem @ SV124 )
        = $false )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[957]) ).

thf(1027,plain,
    ! [SV125: $i,SV79: $i,SV144: $i] :
      ( ( ( ssItem @ SV144 )
        = $false )
      | ( ( ~ ~ ( ~ ( leq @ SV79 @ SV125 )
                | ~ ( leq @ SV125 @ SV144 ) )
          | ( leq @ SV79 @ SV144 ) )
        = $true )
      | ( ( ssItem @ SV125 )
        = $false )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[958]) ).

thf(1028,plain,
    ! [SV126: $i,SV80: $i,SV1: $i] :
      ( ( ( ~ ( rearsegP @ SV1 @ SV80 ) )
        = $true )
      | ( ( rearsegP @ ( app @ SV126 @ SV1 ) @ SV80 )
        = $true )
      | ( ( ssList @ SV126 )
        = $false )
      | ( ( ssList @ SV80 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[959]) ).

thf(1029,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( ssList @ ( sK7_SY203 @ SV2 ) )
          | ( ( tl @ SV2 )
           != ( sK7_SY203 @ SV2 ) ) )
        = $false )
      | ( ( nil = SV2 )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[960]) ).

thf(1030,plain,
    ! [SV81: $i,SV127: $i,SV3: $i,SV150: $i] :
      ( ( ( ~ ( ssList @ SV150 )
          | ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
                  | ~ ( ( SV3 != SV81 )
                      | ~ ( frontsegP @ SV127 @ SV150 ) ) )
              | ~ ( ~ ~ ( ( SV3 != SV81 )
                        | ~ ( frontsegP @ SV127 @ SV150 ) )
                  | ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[961]) ).

thf(1031,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ( segmentP @ SV4 @ SV82 ) )
        = $true )
      | ( ( ~ ! [SY346: $i] :
                ~ ~ ( ~ ( ssList @ SY346 )
                    | ~ ~ ! [SY347: $i] :
                            ~ ~ ( ~ ( ssList @ SY347 )
                                | ( ( app @ ( app @ SY346 @ SV82 ) @ SY347 )
                                 != SV4 ) ) ) )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[962]) ).

thf(1032,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ~ ! [SY348: $i] :
                  ~ ~ ( ~ ( ssList @ SY348 )
                      | ~ ~ ! [SY349: $i] :
                              ~ ~ ( ~ ( ssList @ SY349 )
                                  | ( ( app @ ( app @ SY348 @ SV82 ) @ SY349 )
                                   != SV4 ) ) ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[963]) ).

thf(1033,plain,
    ! [SV5: $i,SV128: $i,SV83: $i] :
      ( ( ( ( app @ SV83 @ SV128 )
         != ( app @ SV83 @ SV5 ) )
        = $true )
      | ( ( SV128 = SV5 )
        = $true )
      | ( ( ssList @ SV128 )
        = $false )
      | ( ( ssList @ SV83 )
        = $false )
      | ( ( ssList @ SV5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[964]) ).

thf(1034,plain,
    ( ( ( nil != sK2_SX0 )
      | ( sK2_SX0 != sK5_SY351 )
      | ( sK1_U != sK4_SY335 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[965]) ).

thf(1035,plain,
    ( ( nil = sK1_U )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[965]) ).

thf(1036,plain,
    ( ( ~ ( ssList @ sK15_SY383 )
      | ( ( app @ sK4_SY335 @ sK15_SY383 )
       != sK5_SY351 )
      | ~ ( totalorderedP @ sK4_SY335 )
      | ~ ! [SY430: $i] :
            ~ ~ ( ~ ( ssItem @ SY430 )
                | ~ ~ ! [SY431: $i] :
                        ~ ~ ( ~ ~ ( ~ ( ssList @ SY431 )
                                  | ( ( app @ ( cons @ SY430 @ nil ) @ SY431 )
                                   != sK15_SY383 ) )
                            | ~ ~ ! [SY355: $i] :
                                    ~ ~ ( ~ ( ssItem @ SY355 )
                                        | ~ ~ ! [SY356: $i] :
                                                ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                          | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                           != sK4_SY335 ) )
                                                    | ~ ( leq @ SY355 @ SY430 ) ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[966]) ).

thf(1037,plain,
    ( ( ( ~ ( ( nil != sK5_SY351 ) ) )
      = $true )
    | ( ( nil != sK4_SY335 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[967]) ).

thf(1038,plain,
    ! [SV85: $i,SV8: $i] :
      ( ( ( ~ ( totalorderedP @ ( cons @ SV8 @ SV85 ) ) )
        = $true )
      | ( ( ( nil = SV85 )
          | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                    | ~ ( totalorderedP @ SV85 ) )
              | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[969]) ).

thf(1039,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ( nil = SV85 )
              | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                        | ~ ( totalorderedP @ SV85 ) )
                  | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[970]) ).

thf(1040,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( lt @ SV9 @ SV86 ) )
        = $true )
      | ( ( ~ ( ~ ( ( SV9 != SV86 ) )
              | ~ ( leq @ SV9 @ SV86 ) ) )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[971]) ).

thf(1041,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ~ ( ~ ( ( SV9 != SV86 ) )
                | ~ ( leq @ SV9 @ SV86 ) ) )
        = $true )
      | ( ( lt @ SV9 @ SV86 )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[972]) ).

thf(1042,plain,
    ! [SV130: $i,SV87: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ( lt @ SV10 @ SV87 )
                | ~ ( lt @ SV87 @ SV130 ) ) )
        = $true )
      | ( ( lt @ SV10 @ SV130 )
        = $true )
      | ( ( ssItem @ SV130 )
        = $false )
      | ( ( ssItem @ SV87 )
        = $false )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[973]) ).

thf(1043,plain,
    ( ( ~ ( ssItem @ sK8_SY342 )
      | ~ ( ( sK3_SX0 != sK8_SY342 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[974]) ).

thf(1044,plain,
    ! [SV88: $i,SV11: $i] :
      ( ( ( nil
         != ( app @ SV11 @ SV88 ) )
        = $true )
      | ( ( ~ ( ( nil != SV88 )
              | ( nil != SV11 ) ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[975]) ).

thf(1045,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( ~ ~ ( ( nil != SV88 )
                | ( nil != SV11 ) ) )
        = $true )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[976]) ).

thf(1046,plain,
    ! [SV13: $i,SV145: $i] :
      ( ( ( ~ ( ssItem @ SV145 ) )
        = $true )
      | ( ( ! [SY392: $i] :
              ( ~ ( ssItem @ SY392 )
              | ! [SY393: $i] :
                  ( ~ ( ssList @ SY393 )
                  | ! [SY394: $i] :
                      ( ~ ( ssList @ SY394 )
                      | ! [SY395: $i] :
                          ( ~ ( ssList @ SY395 )
                          | ( ( app @ ( app @ SY393 @ ( cons @ SV145 @ SY394 ) ) @ ( cons @ SY392 @ SY395 ) )
                           != SV13 )
                          | ( SV145 != SY392 ) ) ) ) ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[977]) ).

thf(1047,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssItem @ ( sK10_SY226 @ SV13 ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[978]) ).

thf(1048,plain,
    ! [SV13: $i] :
      ( ( ( ! [SY396: $i] :
              ( ~ ( ssItem @ SY396 )
              | ! [SY397: $i] :
                  ( ~ ( ssList @ SY397 )
                  | ! [SY398: $i] :
                      ( ~ ( ssList @ SY398 )
                      | ! [SY399: $i] :
                          ( ~ ( ssList @ SY399 )
                          | ( ( app @ ( app @ SY397 @ ( cons @ ( sK10_SY226 @ SV13 ) @ SY398 ) ) @ ( cons @ SY396 @ SY399 ) )
                           != SV13 )
                          | ( ( sK10_SY226 @ SV13 )
                           != SY396 ) ) ) ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[978]) ).

thf(1049,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ~ ( rearsegP @ SV15 @ SV90 ) )
        = $true )
      | ( ( ~ ! [SY359: $i] :
                ~ ~ ( ~ ( ssList @ SY359 )
                    | ( ( app @ SY359 @ SV90 )
                     != SV15 ) ) )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[979]) ).

thf(1050,plain,
    ! [SV15: $i,SV90: $i] :
      ( ( ( ~ ~ ! [SY360: $i] :
                  ~ ~ ( ~ ( ssList @ SY360 )
                      | ( ( app @ SY360 @ SV90 )
                       != SV15 ) ) )
        = $true )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[980]) ).

thf(1051,plain,
    ! [SV91: $i,SV16: $i] :
      ( ( ( ~ ( rearsegP @ SV16 @ SV91 ) )
        = $true )
      | ( ( ~ ( rearsegP @ SV91 @ SV16 ) )
        = $true )
      | ( ( SV16 = SV91 )
        = $true )
      | ( ( ssList @ SV91 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[981]) ).

thf(1052,plain,
    ! [SV17: $i,SV146: $i] :
      ( ( ( ~ ( ssItem @ SV146 ) )
        = $true )
      | ( ( ! [SY400: $i] :
              ( ~ ( ssItem @ SY400 )
              | ! [SY401: $i] :
                  ( ~ ( ssList @ SY401 )
                  | ! [SY402: $i] :
                      ( ~ ( ssList @ SY402 )
                      | ( ( app @ SY401 @ ( cons @ SV146 @ ( cons @ SY400 @ SY402 ) ) )
                       != SV17 )
                      | ( SV146 = SY400 ) ) ) ) )
        = $true )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[982]) ).

thf(1053,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssItem @ ( sK11_SY240 @ SV17 ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[983]) ).

thf(1054,plain,
    ! [SV17: $i] :
      ( ( ( ! [SY403: $i] :
              ( ~ ( ssItem @ SY403 )
              | ! [SY404: $i] :
                  ( ~ ( ssList @ SY404 )
                  | ! [SY405: $i] :
                      ( ~ ( ssList @ SY405 )
                      | ( ( app @ SY404 @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ SY403 @ SY405 ) ) )
                       != SV17 )
                      | ( ( sK11_SY240 @ SV17 )
                        = SY403 ) ) ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[983]) ).

thf(1055,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ~ ( ssItem @ SV147 ) )
        = $true )
      | ( ( ! [SY406: $i] :
              ( ~ ( ssItem @ SY406 )
              | ! [SY407: $i] :
                  ( ~ ( ssList @ SY407 )
                  | ! [SY408: $i] :
                      ( ~ ( ssList @ SY408 )
                      | ! [SY409: $i] :
                          ( ~ ( ssList @ SY409 )
                          | ( ( app @ ( app @ SY407 @ ( cons @ SV147 @ SY408 ) ) @ ( cons @ SY406 @ SY409 ) )
                           != SV18 )
                          | ( leq @ SV147 @ SY406 ) ) ) ) ) )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[984]) ).

thf(1056,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssItem @ ( sK12_SY249 @ SV18 ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[985]) ).

thf(1057,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY410: $i] :
              ( ~ ( ssItem @ SY410 )
              | ! [SY411: $i] :
                  ( ~ ( ssList @ SY411 )
                  | ! [SY412: $i] :
                      ( ~ ( ssList @ SY412 )
                      | ! [SY413: $i] :
                          ( ~ ( ssList @ SY413 )
                          | ( ( app @ ( app @ SY411 @ ( cons @ ( sK12_SY249 @ SV18 ) @ SY412 ) ) @ ( cons @ SY410 @ SY413 ) )
                           != SV18 )
                          | ( leq @ ( sK12_SY249 @ SV18 ) @ SY410 ) ) ) ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[985]) ).

thf(1058,plain,
    ! [SV20: $i,SV148: $i] :
      ( ( ( ~ ( ssItem @ SV148 ) )
        = $true )
      | ( ( ! [SY414: $i] :
              ( ~ ( ssItem @ SY414 )
              | ! [SY415: $i] :
                  ( ~ ( ssList @ SY415 )
                  | ! [SY416: $i] :
                      ( ~ ( ssList @ SY416 )
                      | ! [SY417: $i] :
                          ( ~ ( ssList @ SY417 )
                          | ( ( app @ ( app @ SY415 @ ( cons @ SV148 @ SY416 ) ) @ ( cons @ SY414 @ SY417 ) )
                           != SV20 )
                          | ( leq @ SV148 @ SY414 )
                          | ( leq @ SY414 @ SV148 ) ) ) ) ) )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[986]) ).

thf(1059,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssItem @ ( sK13_SY260 @ SV20 ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[987]) ).

thf(1060,plain,
    ! [SV20: $i] :
      ( ( ( ! [SY418: $i] :
              ( ~ ( ssItem @ SY418 )
              | ! [SY419: $i] :
                  ( ~ ( ssList @ SY419 )
                  | ! [SY420: $i] :
                      ( ~ ( ssList @ SY420 )
                      | ! [SY421: $i] :
                          ( ~ ( ssList @ SY421 )
                          | ( ( app @ ( app @ SY419 @ ( cons @ ( sK13_SY260 @ SV20 ) @ SY420 ) ) @ ( cons @ SY418 @ SY421 ) )
                           != SV20 )
                          | ( leq @ ( sK13_SY260 @ SV20 ) @ SY418 )
                          | ( leq @ SY418 @ ( sK13_SY260 @ SV20 ) ) ) ) ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[987]) ).

thf(1061,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ( memberP @ SV24 @ SV94 ) )
        = $true )
      | ( ( ~ ! [SY361: $i] :
                ~ ~ ( ~ ( ssList @ SY361 )
                    | ~ ~ ! [SY362: $i] :
                            ~ ~ ( ~ ( ssList @ SY362 )
                                | ( ( app @ SY361 @ ( cons @ SV94 @ SY362 ) )
                                 != SV24 ) ) ) )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[988]) ).

thf(1062,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ~ ! [SY363: $i] :
                  ~ ~ ( ~ ( ssList @ SY363 )
                      | ~ ~ ! [SY364: $i] :
                              ~ ~ ( ~ ( ssList @ SY364 )
                                  | ( ( app @ SY363 @ ( cons @ SV94 @ SY364 ) )
                                   != SV24 ) ) ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[989]) ).

thf(1063,plain,
    ! [SV131: $i,SV95: $i,SV26: $i,SV151: $i] :
      ( ( ( ~ ( ssList @ SV151 )
          | ~ ( segmentP @ SV26 @ SV95 )
          | ( segmentP @ ( app @ ( app @ SV131 @ SV26 ) @ SV151 ) @ SV95 ) )
        = $true )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( ssList @ SV95 )
        = $false )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[990]) ).

thf(1064,plain,
    ! [SV96: $i,SV27: $i,SV132: $i,SV152: $i] :
      ( ( ( ~ ( ssItem @ SV152 )
          | ( ( cons @ SV132 @ SV27 )
           != ( cons @ SV152 @ SV96 ) )
          | ~ ( ( SV132 != SV152 )
              | ( SV96 != SV27 ) ) )
        = $true )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[991]) ).

thf(1065,plain,
    ! [SV133: $i,SV97: $i,SV29: $i] :
      ( ( ( ~ ~ ( ~ ( frontsegP @ SV29 @ SV97 )
                | ~ ( frontsegP @ SV97 @ SV133 ) ) )
        = $true )
      | ( ( frontsegP @ SV29 @ SV133 )
        = $true )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( ssList @ SV97 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[992]) ).

thf(1066,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( ~ ( neq @ SV31 @ SV99 ) )
        = $true )
      | ( ( SV31 != SV99 )
        = $true )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[994]) ).

thf(1067,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( ~ ( ( SV31 != SV99 ) ) )
        = $true )
      | ( ( neq @ SV31 @ SV99 )
        = $true )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[995]) ).

thf(1068,plain,
    ! [SV32: $i,SV134: $i,SV100: $i] :
      ( ( ( ~ ( ~ ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
              | ( SV32 = SV100 )
              | ( memberP @ SV134 @ SV32 ) )
          | ~ ( ~ ( ( SV32 = SV100 )
                  | ( memberP @ SV134 @ SV32 ) )
              | ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 ) ) )
        = $false )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[996]) ).

thf(1069,plain,
    ! [SV34: $i] :
      ( ( ( ~ ~ ( ~ ( ssItem @ ( sK16_SY283 @ SV34 ) )
                | ( ( cons @ ( sK16_SY283 @ SV34 ) @ nil )
                 != SV34 ) ) )
        = $false )
      | ( ( singletonP @ SV34 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[997]) ).

thf(1070,plain,
    ! [SV34: $i,SV153: $i] :
      ( ( ( ~ ~ ( ~ ( ssItem @ SV153 )
                | ( ( cons @ SV153 @ nil )
                 != SV34 ) ) )
        = $true )
      | ( ( singletonP @ SV34 )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[998]) ).

thf(1071,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( ~ ( neq @ SV35 @ SV101 ) )
        = $true )
      | ( ( SV35 != SV101 )
        = $true )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[999]) ).

thf(1072,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( ~ ( ( SV35 != SV101 ) ) )
        = $true )
      | ( ( neq @ SV35 @ SV101 )
        = $true )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1000]) ).

thf(1073,plain,
    ! [SV103: $i,SV40: $i] :
      ( ( ( ~ ( frontsegP @ SV40 @ SV103 ) )
        = $true )
      | ( ( ~ ( frontsegP @ SV103 @ SV40 ) )
        = $true )
      | ( ( SV40 = SV103 )
        = $true )
      | ( ( ssList @ SV103 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1002]) ).

thf(1074,plain,
    ! [SV104: $i,SV43: $i] :
      ( ( ( ~ ( leq @ SV43 @ SV104 ) )
        = $true )
      | ( ( ~ ( leq @ SV104 @ SV43 ) )
        = $true )
      | ( ( SV43 = SV104 )
        = $true )
      | ( ( ssItem @ SV104 )
        = $false )
      | ( ( ssItem @ SV43 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1003]) ).

thf(1075,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( ~ ( frontsegP @ SV47 @ SV105 ) )
        = $true )
      | ( ( ~ ! [SY372: $i] :
                ~ ~ ( ~ ( ssList @ SY372 )
                    | ( ( app @ SV105 @ SY372 )
                     != SV47 ) ) )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1004]) ).

thf(1076,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ~ ~ ! [SY373: $i] :
                  ~ ~ ( ~ ( ssList @ SY373 )
                      | ( ( app @ SV105 @ SY373 )
                       != SV47 ) ) )
        = $true )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1005]) ).

thf(1077,plain,
    ! [SV136: $i,SV107: $i,SV51: $i] :
      ( ( ( ~ ~ ( ~ ( geq @ SV51 @ SV107 )
                | ~ ( geq @ SV107 @ SV136 ) ) )
        = $true )
      | ( ( geq @ SV51 @ SV136 )
        = $true )
      | ( ( ssItem @ SV136 )
        = $false )
      | ( ( ssItem @ SV107 )
        = $false )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1006]) ).

thf(1078,plain,
    ! [SV52: $i] :
      ( ( ( ssList @ ( sK6_SY296 @ SV52 ) )
        = $true )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1007]) ).

thf(1079,plain,
    ! [SV52: $i] :
      ( ( ( ~ ! [SY388: $i] :
                ~ ~ ( ~ ( ssItem @ SY388 )
                    | ( ( cons @ SY388 @ ( sK6_SY296 @ SV52 ) )
                     != SV52 ) ) )
        = $true )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1008]) ).

thf(1080,plain,
    ! [SV56: $i,SV137: $i,SV110: $i] :
      ( ( ( ~ ( ~ ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
              | ( memberP @ SV110 @ SV56 )
              | ( memberP @ SV137 @ SV56 ) )
          | ~ ( ~ ( ( memberP @ SV110 @ SV56 )
                  | ( memberP @ SV137 @ SV56 ) )
              | ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 ) ) )
        = $false )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1011]) ).

thf(1081,plain,
    ! [SV138: $i,SV111: $i,SV57: $i] :
      ( ( ( ~ ~ ( ~ ( leq @ SV57 @ SV111 )
                | ~ ( lt @ SV111 @ SV138 ) ) )
        = $true )
      | ( ( lt @ SV57 @ SV138 )
        = $true )
      | ( ( ssItem @ SV138 )
        = $false )
      | ( ( ssItem @ SV111 )
        = $false )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1012]) ).

thf(1082,plain,
    ! [SV139: $i,SV112: $i,SV58: $i] :
      ( ( ( ~ ~ ( ~ ( gt @ SV58 @ SV112 )
                | ~ ( gt @ SV112 @ SV139 ) ) )
        = $true )
      | ( ( gt @ SV58 @ SV139 )
        = $true )
      | ( ( ssItem @ SV139 )
        = $false )
      | ( ( ssItem @ SV112 )
        = $false )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1013]) ).

thf(1083,plain,
    ! [SV140: $i,SV115: $i,SV62: $i] :
      ( ( ( ~ ~ ( ~ ( segmentP @ SV62 @ SV115 )
                | ~ ( segmentP @ SV115 @ SV140 ) ) )
        = $true )
      | ( ( segmentP @ SV62 @ SV140 )
        = $true )
      | ( ( ssList @ SV140 )
        = $false )
      | ( ( ssList @ SV115 )
        = $false )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1015]) ).

thf(1084,plain,
    ! [SV64: $i] :
      ( ( ( ~ ( ssItem @ ( sK9_SY311 @ SV64 ) )
          | ( ( hd @ SV64 )
           != ( sK9_SY311 @ SV64 ) ) )
        = $false )
      | ( ( nil = SV64 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1016]) ).

thf(1085,plain,
    ! [SV65: $i,SV117: $i,SV141: $i] :
      ( ( ( ( app @ SV141 @ SV117 )
         != ( app @ SV65 @ SV117 ) )
        = $true )
      | ( ( SV141 = SV65 )
        = $true )
      | ( ( ssList @ SV141 )
        = $false )
      | ( ( ssList @ SV117 )
        = $false )
      | ( ( ssList @ SV65 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1017]) ).

thf(1086,plain,
    ! [SV66: $i,SV149: $i] :
      ( ( ( ~ ( ssItem @ SV149 ) )
        = $true )
      | ( ( ! [SY422: $i] :
              ( ~ ( ssItem @ SY422 )
              | ! [SY423: $i] :
                  ( ~ ( ssList @ SY423 )
                  | ! [SY424: $i] :
                      ( ~ ( ssList @ SY424 )
                      | ! [SY425: $i] :
                          ( ~ ( ssList @ SY425 )
                          | ( ( app @ ( app @ SY423 @ ( cons @ SV149 @ SY424 ) ) @ ( cons @ SY422 @ SY425 ) )
                           != SV66 )
                          | ~ ~ ( ~ ( leq @ SV149 @ SY422 )
                                | ~ ( leq @ SY422 @ SV149 ) ) ) ) ) ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1018]) ).

thf(1087,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssItem @ ( sK14_SY319 @ SV66 ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1019]) ).

thf(1088,plain,
    ! [SV66: $i] :
      ( ( ( ! [SY426: $i] :
              ( ~ ( ssItem @ SY426 )
              | ! [SY427: $i] :
                  ( ~ ( ssList @ SY427 )
                  | ! [SY428: $i] :
                      ( ~ ( ssList @ SY428 )
                      | ! [SY429: $i] :
                          ( ~ ( ssList @ SY429 )
                          | ( ( app @ ( app @ SY427 @ ( cons @ ( sK14_SY319 @ SV66 ) @ SY428 ) ) @ ( cons @ SY426 @ SY429 ) )
                           != SV66 )
                          | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ SY426 )
                                | ~ ( leq @ SY426 @ ( sK14_SY319 @ SV66 ) ) ) ) ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1019]) ).

thf(1089,plain,
    ! [SV142: $i,SV119: $i,SV72: $i] :
      ( ( ( ~ ( frontsegP @ SV72 @ SV119 ) )
        = $true )
      | ( ( frontsegP @ ( app @ SV72 @ SV142 ) @ SV119 )
        = $true )
      | ( ( ssList @ SV142 )
        = $false )
      | ( ( ssList @ SV119 )
        = $false )
      | ( ( ssList @ SV72 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1021]) ).

thf(1090,plain,
    ! [SV120: $i,SV73: $i] :
      ( ( ( ~ ( segmentP @ SV73 @ SV120 ) )
        = $true )
      | ( ( ~ ( segmentP @ SV120 @ SV73 ) )
        = $true )
      | ( ( SV73 = SV120 )
        = $true )
      | ( ( ssList @ SV120 )
        = $false )
      | ( ( ssList @ SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1022]) ).

thf(1091,plain,
    ! [SV143: $i,SV121: $i,SV75: $i] :
      ( ( ( ~ ~ ( ~ ( rearsegP @ SV75 @ SV121 )
                | ~ ( rearsegP @ SV121 @ SV143 ) ) )
        = $true )
      | ( ( rearsegP @ SV75 @ SV143 )
        = $true )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1023]) ).

thf(1092,plain,
    ! [SV123: $i,SV77: $i] :
      ( ( ( ~ ( geq @ SV77 @ SV123 ) )
        = $true )
      | ( ( leq @ SV123 @ SV77 )
        = $true )
      | ( ( ssItem @ SV123 )
        = $false )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1024]) ).

thf(1093,plain,
    ! [SV77: $i,SV123: $i] :
      ( ( ( ~ ( leq @ SV123 @ SV77 ) )
        = $true )
      | ( ( geq @ SV77 @ SV123 )
        = $true )
      | ( ( ssItem @ SV123 )
        = $false )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1025]) ).

thf(1094,plain,
    ! [SV124: $i,SV78: $i] :
      ( ( ( ~ ( geq @ SV78 @ SV124 ) )
        = $true )
      | ( ( ~ ( geq @ SV124 @ SV78 ) )
        = $true )
      | ( ( SV78 = SV124 )
        = $true )
      | ( ( ssItem @ SV124 )
        = $false )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1026]) ).

thf(1095,plain,
    ! [SV144: $i,SV125: $i,SV79: $i] :
      ( ( ( ~ ~ ( ~ ( leq @ SV79 @ SV125 )
                | ~ ( leq @ SV125 @ SV144 ) ) )
        = $true )
      | ( ( leq @ SV79 @ SV144 )
        = $true )
      | ( ( ssItem @ SV144 )
        = $false )
      | ( ( ssItem @ SV125 )
        = $false )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1027]) ).

thf(1096,plain,
    ! [SV126: $i,SV80: $i,SV1: $i] :
      ( ( ( rearsegP @ SV1 @ SV80 )
        = $false )
      | ( ( rearsegP @ ( app @ SV126 @ SV1 ) @ SV80 )
        = $true )
      | ( ( ssList @ SV126 )
        = $false )
      | ( ( ssList @ SV80 )
        = $false )
      | ( ( ssList @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1028]) ).

thf(1097,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( ssList @ ( sK7_SY203 @ SV2 ) ) )
        = $false )
      | ( ( nil = SV2 )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1029]) ).

thf(1098,plain,
    ! [SV2: $i] :
      ( ( ( ( tl @ SV2 )
         != ( sK7_SY203 @ SV2 ) )
        = $false )
      | ( ( nil = SV2 )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1029]) ).

thf(1099,plain,
    ! [SV81: $i,SV127: $i,SV3: $i,SV150: $i] :
      ( ( ( ~ ( ssList @ SV150 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
                  | ~ ( ( SV3 != SV81 )
                      | ~ ( frontsegP @ SV127 @ SV150 ) ) )
              | ~ ( ~ ~ ( ( SV3 != SV81 )
                        | ~ ( frontsegP @ SV127 @ SV150 ) )
                  | ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1030]) ).

thf(1100,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ~ ! [SY346: $i] :
                ~ ~ ( ~ ( ssList @ SY346 )
                    | ~ ~ ! [SY347: $i] :
                            ~ ~ ( ~ ( ssList @ SY347 )
                                | ( ( app @ ( app @ SY346 @ SV82 ) @ SY347 )
                                 != SV4 ) ) ) )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1031]) ).

thf(1101,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ! [SY348: $i] :
                ~ ~ ( ~ ( ssList @ SY348 )
                    | ~ ~ ! [SY349: $i] :
                            ~ ~ ( ~ ( ssList @ SY349 )
                                | ( ( app @ ( app @ SY348 @ SV82 ) @ SY349 )
                                 != SV4 ) ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1032]) ).

thf(1102,plain,
    ! [SV5: $i,SV128: $i,SV83: $i] :
      ( ( ( ( app @ SV83 @ SV128 )
          = ( app @ SV83 @ SV5 ) )
        = $false )
      | ( ( SV128 = SV5 )
        = $true )
      | ( ( ssList @ SV128 )
        = $false )
      | ( ( ssList @ SV83 )
        = $false )
      | ( ( ssList @ SV5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1033]) ).

thf(1103,plain,
    ( ( ( nil != sK2_SX0 )
      | ( sK2_SX0 != sK5_SY351 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1034]) ).

thf(1104,plain,
    ( ( sK1_U != sK4_SY335 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1034]) ).

thf(1105,plain,
    ( ( ~ ( ssList @ sK15_SY383 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1036]) ).

thf(1106,plain,
    ( ( ( ( app @ sK4_SY335 @ sK15_SY383 )
       != sK5_SY351 )
      | ~ ( totalorderedP @ sK4_SY335 )
      | ~ ! [SY430: $i] :
            ~ ~ ( ~ ( ssItem @ SY430 )
                | ~ ~ ! [SY431: $i] :
                        ~ ~ ( ~ ~ ( ~ ( ssList @ SY431 )
                                  | ( ( app @ ( cons @ SY430 @ nil ) @ SY431 )
                                   != sK15_SY383 ) )
                            | ~ ~ ! [SY355: $i] :
                                    ~ ~ ( ~ ( ssItem @ SY355 )
                                        | ~ ~ ! [SY356: $i] :
                                                ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                          | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                           != sK4_SY335 ) )
                                                    | ~ ( leq @ SY355 @ SY430 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1036]) ).

thf(1107,plain,
    ( ( ( nil != sK5_SY351 )
      = $false )
    | ( ( nil != sK4_SY335 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1037]) ).

thf(1108,plain,
    ! [SV85: $i,SV8: $i] :
      ( ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ( nil = SV85 )
          | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                    | ~ ( totalorderedP @ SV85 ) )
              | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1038]) ).

thf(1109,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ( nil = SV85 )
          | ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                    | ~ ( totalorderedP @ SV85 ) )
              | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1039]) ).

thf(1110,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( lt @ SV9 @ SV86 )
        = $false )
      | ( ( ~ ( ~ ( ( SV9 != SV86 ) )
              | ~ ( leq @ SV9 @ SV86 ) ) )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1040]) ).

thf(1111,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( ( SV9 != SV86 ) )
              | ~ ( leq @ SV9 @ SV86 ) ) )
        = $false )
      | ( ( lt @ SV9 @ SV86 )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1041]) ).

thf(1112,plain,
    ! [SV130: $i,SV87: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( lt @ SV10 @ SV87 )
              | ~ ( lt @ SV87 @ SV130 ) ) )
        = $false )
      | ( ( lt @ SV10 @ SV130 )
        = $true )
      | ( ( ssItem @ SV130 )
        = $false )
      | ( ( ssItem @ SV87 )
        = $false )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1042]) ).

thf(1113,plain,
    ( ( ~ ( ssItem @ sK8_SY342 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1043]) ).

thf(1114,plain,
    ( ( ~ ( ( sK3_SX0 != sK8_SY342 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1043]) ).

thf(1115,plain,
    ! [SV88: $i,SV11: $i] :
      ( ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $false )
      | ( ( ~ ( ( nil != SV88 )
              | ( nil != SV11 ) ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1044]) ).

thf(1116,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( ~ ( ( nil != SV88 )
              | ( nil != SV11 ) ) )
        = $false )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1045]) ).

thf(1117,plain,
    ! [SV13: $i,SV145: $i] :
      ( ( ( ssItem @ SV145 )
        = $false )
      | ( ( ! [SY392: $i] :
              ( ~ ( ssItem @ SY392 )
              | ! [SY393: $i] :
                  ( ~ ( ssList @ SY393 )
                  | ! [SY394: $i] :
                      ( ~ ( ssList @ SY394 )
                      | ! [SY395: $i] :
                          ( ~ ( ssList @ SY395 )
                          | ( ( app @ ( app @ SY393 @ ( cons @ SV145 @ SY394 ) ) @ ( cons @ SY392 @ SY395 ) )
                           != SV13 )
                          | ( SV145 != SY392 ) ) ) ) ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1046]) ).

thf(1118,plain,
    ! [SV13: $i] :
      ( ( ( ssItem @ ( sK10_SY226 @ SV13 ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1047]) ).

thf(1119,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssItem @ ( sK17_SY396 @ SV13 ) )
          | ! [SY434: $i] :
              ( ~ ( ssList @ SY434 )
              | ! [SY435: $i] :
                  ( ~ ( ssList @ SY435 )
                  | ! [SY436: $i] :
                      ( ~ ( ssList @ SY436 )
                      | ( ( app @ ( app @ SY434 @ ( cons @ ( sK10_SY226 @ SV13 ) @ SY435 ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ SY436 ) )
                       != SV13 )
                      | ( ( sK10_SY226 @ SV13 )
                       != ( sK17_SY396 @ SV13 ) ) ) ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1048]) ).

thf(1120,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( rearsegP @ SV15 @ SV90 )
        = $false )
      | ( ( ~ ! [SY359: $i] :
                ~ ~ ( ~ ( ssList @ SY359 )
                    | ( ( app @ SY359 @ SV90 )
                     != SV15 ) ) )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1049]) ).

thf(1121,plain,
    ! [SV15: $i,SV90: $i] :
      ( ( ( ~ ! [SY360: $i] :
                ~ ~ ( ~ ( ssList @ SY360 )
                    | ( ( app @ SY360 @ SV90 )
                     != SV15 ) ) )
        = $false )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1050]) ).

thf(1122,plain,
    ! [SV91: $i,SV16: $i] :
      ( ( ( rearsegP @ SV16 @ SV91 )
        = $false )
      | ( ( ~ ( rearsegP @ SV91 @ SV16 ) )
        = $true )
      | ( ( SV16 = SV91 )
        = $true )
      | ( ( ssList @ SV91 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1051]) ).

thf(1123,plain,
    ! [SV17: $i,SV146: $i] :
      ( ( ( ssItem @ SV146 )
        = $false )
      | ( ( ! [SY400: $i] :
              ( ~ ( ssItem @ SY400 )
              | ! [SY401: $i] :
                  ( ~ ( ssList @ SY401 )
                  | ! [SY402: $i] :
                      ( ~ ( ssList @ SY402 )
                      | ( ( app @ SY401 @ ( cons @ SV146 @ ( cons @ SY400 @ SY402 ) ) )
                       != SV17 )
                      | ( SV146 = SY400 ) ) ) ) )
        = $true )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1052]) ).

thf(1124,plain,
    ! [SV17: $i] :
      ( ( ( ssItem @ ( sK11_SY240 @ SV17 ) )
        = $true )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1053]) ).

thf(1125,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssItem @ ( sK18_SY403 @ SV17 ) )
          | ! [SY437: $i] :
              ( ~ ( ssList @ SY437 )
              | ! [SY438: $i] :
                  ( ~ ( ssList @ SY438 )
                  | ( ( app @ SY437 @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ ( sK18_SY403 @ SV17 ) @ SY438 ) ) )
                   != SV17 )
                  | ( ( sK11_SY240 @ SV17 )
                    = ( sK18_SY403 @ SV17 ) ) ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1054]) ).

thf(1126,plain,
    ! [SV18: $i,SV147: $i] :
      ( ( ( ssItem @ SV147 )
        = $false )
      | ( ( ! [SY406: $i] :
              ( ~ ( ssItem @ SY406 )
              | ! [SY407: $i] :
                  ( ~ ( ssList @ SY407 )
                  | ! [SY408: $i] :
                      ( ~ ( ssList @ SY408 )
                      | ! [SY409: $i] :
                          ( ~ ( ssList @ SY409 )
                          | ( ( app @ ( app @ SY407 @ ( cons @ SV147 @ SY408 ) ) @ ( cons @ SY406 @ SY409 ) )
                           != SV18 )
                          | ( leq @ SV147 @ SY406 ) ) ) ) ) )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1055]) ).

thf(1127,plain,
    ! [SV18: $i] :
      ( ( ( ssItem @ ( sK12_SY249 @ SV18 ) )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1056]) ).

thf(1128,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssItem @ ( sK19_SY410 @ SV18 ) )
          | ! [SY439: $i] :
              ( ~ ( ssList @ SY439 )
              | ! [SY440: $i] :
                  ( ~ ( ssList @ SY440 )
                  | ! [SY441: $i] :
                      ( ~ ( ssList @ SY441 )
                      | ( ( app @ ( app @ SY439 @ ( cons @ ( sK12_SY249 @ SV18 ) @ SY440 ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ SY441 ) )
                       != SV18 )
                      | ( leq @ ( sK12_SY249 @ SV18 ) @ ( sK19_SY410 @ SV18 ) ) ) ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1057]) ).

thf(1129,plain,
    ! [SV20: $i,SV148: $i] :
      ( ( ( ssItem @ SV148 )
        = $false )
      | ( ( ! [SY414: $i] :
              ( ~ ( ssItem @ SY414 )
              | ! [SY415: $i] :
                  ( ~ ( ssList @ SY415 )
                  | ! [SY416: $i] :
                      ( ~ ( ssList @ SY416 )
                      | ! [SY417: $i] :
                          ( ~ ( ssList @ SY417 )
                          | ( ( app @ ( app @ SY415 @ ( cons @ SV148 @ SY416 ) ) @ ( cons @ SY414 @ SY417 ) )
                           != SV20 )
                          | ( leq @ SV148 @ SY414 )
                          | ( leq @ SY414 @ SV148 ) ) ) ) ) )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1058]) ).

thf(1130,plain,
    ! [SV20: $i] :
      ( ( ( ssItem @ ( sK13_SY260 @ SV20 ) )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1059]) ).

thf(1131,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssItem @ ( sK20_SY418 @ SV20 ) )
          | ! [SY442: $i] :
              ( ~ ( ssList @ SY442 )
              | ! [SY443: $i] :
                  ( ~ ( ssList @ SY443 )
                  | ! [SY444: $i] :
                      ( ~ ( ssList @ SY444 )
                      | ( ( app @ ( app @ SY442 @ ( cons @ ( sK13_SY260 @ SV20 ) @ SY443 ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ SY444 ) )
                       != SV20 )
                      | ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
                      | ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) ) ) ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1060]) ).

thf(1132,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ~ ! [SY361: $i] :
                ~ ~ ( ~ ( ssList @ SY361 )
                    | ~ ~ ! [SY362: $i] :
                            ~ ~ ( ~ ( ssList @ SY362 )
                                | ( ( app @ SY361 @ ( cons @ SV94 @ SY362 ) )
                                 != SV24 ) ) ) )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1061]) ).

thf(1133,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ! [SY363: $i] :
                ~ ~ ( ~ ( ssList @ SY363 )
                    | ~ ~ ! [SY364: $i] :
                            ~ ~ ( ~ ( ssList @ SY364 )
                                | ( ( app @ SY363 @ ( cons @ SV94 @ SY364 ) )
                                 != SV24 ) ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1062]) ).

thf(1134,plain,
    ! [SV131: $i,SV95: $i,SV26: $i,SV151: $i] :
      ( ( ( ~ ( ssList @ SV151 ) )
        = $true )
      | ( ( ~ ( segmentP @ SV26 @ SV95 )
          | ( segmentP @ ( app @ ( app @ SV131 @ SV26 ) @ SV151 ) @ SV95 ) )
        = $true )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( ssList @ SV95 )
        = $false )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1063]) ).

thf(1135,plain,
    ! [SV96: $i,SV27: $i,SV132: $i,SV152: $i] :
      ( ( ( ~ ( ssItem @ SV152 ) )
        = $true )
      | ( ( ( ( cons @ SV132 @ SV27 )
           != ( cons @ SV152 @ SV96 ) )
          | ~ ( ( SV132 != SV152 )
              | ( SV96 != SV27 ) ) )
        = $true )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1064]) ).

thf(1136,plain,
    ! [SV133: $i,SV97: $i,SV29: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ SV29 @ SV97 )
              | ~ ( frontsegP @ SV97 @ SV133 ) ) )
        = $false )
      | ( ( frontsegP @ SV29 @ SV133 )
        = $true )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( ssList @ SV97 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1065]) ).

thf(1137,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( neq @ SV31 @ SV99 )
        = $false )
      | ( ( SV31 != SV99 )
        = $true )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1066]) ).

thf(1138,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( SV31 != SV99 )
        = $false )
      | ( ( neq @ SV31 @ SV99 )
        = $true )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1067]) ).

thf(1139,plain,
    ! [SV32: $i,SV134: $i,SV100: $i] :
      ( ( ( ~ ( ~ ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
              | ( SV32 = SV100 )
              | ( memberP @ SV134 @ SV32 ) ) )
        = $false )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1068]) ).

thf(1140,plain,
    ! [SV134: $i,SV100: $i,SV32: $i] :
      ( ( ( ~ ( ~ ( ( SV32 = SV100 )
                  | ( memberP @ SV134 @ SV32 ) )
              | ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 ) ) )
        = $false )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1068]) ).

thf(1141,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( ~ ( ssItem @ ( sK16_SY283 @ SV34 ) )
              | ( ( cons @ ( sK16_SY283 @ SV34 ) @ nil )
               != SV34 ) ) )
        = $true )
      | ( ( singletonP @ SV34 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1069]) ).

thf(1142,plain,
    ! [SV34: $i,SV153: $i] :
      ( ( ( ~ ( ~ ( ssItem @ SV153 )
              | ( ( cons @ SV153 @ nil )
               != SV34 ) ) )
        = $false )
      | ( ( singletonP @ SV34 )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1070]) ).

thf(1143,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( neq @ SV35 @ SV101 )
        = $false )
      | ( ( SV35 != SV101 )
        = $true )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1071]) ).

thf(1144,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( SV35 != SV101 )
        = $false )
      | ( ( neq @ SV35 @ SV101 )
        = $true )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1072]) ).

thf(1145,plain,
    ! [SV103: $i,SV40: $i] :
      ( ( ( frontsegP @ SV40 @ SV103 )
        = $false )
      | ( ( ~ ( frontsegP @ SV103 @ SV40 ) )
        = $true )
      | ( ( SV40 = SV103 )
        = $true )
      | ( ( ssList @ SV103 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1073]) ).

thf(1146,plain,
    ! [SV104: $i,SV43: $i] :
      ( ( ( leq @ SV43 @ SV104 )
        = $false )
      | ( ( ~ ( leq @ SV104 @ SV43 ) )
        = $true )
      | ( ( SV43 = SV104 )
        = $true )
      | ( ( ssItem @ SV104 )
        = $false )
      | ( ( ssItem @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1074]) ).

thf(1147,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( frontsegP @ SV47 @ SV105 )
        = $false )
      | ( ( ~ ! [SY372: $i] :
                ~ ~ ( ~ ( ssList @ SY372 )
                    | ( ( app @ SV105 @ SY372 )
                     != SV47 ) ) )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1075]) ).

thf(1148,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ~ ! [SY373: $i] :
                ~ ~ ( ~ ( ssList @ SY373 )
                    | ( ( app @ SV105 @ SY373 )
                     != SV47 ) ) )
        = $false )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1076]) ).

thf(1149,plain,
    ! [SV136: $i,SV107: $i,SV51: $i] :
      ( ( ( ~ ( ~ ( geq @ SV51 @ SV107 )
              | ~ ( geq @ SV107 @ SV136 ) ) )
        = $false )
      | ( ( geq @ SV51 @ SV136 )
        = $true )
      | ( ( ssItem @ SV136 )
        = $false )
      | ( ( ssItem @ SV107 )
        = $false )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1077]) ).

thf(1150,plain,
    ! [SV52: $i] :
      ( ( ( ! [SY388: $i] :
              ~ ~ ( ~ ( ssItem @ SY388 )
                  | ( ( cons @ SY388 @ ( sK6_SY296 @ SV52 ) )
                   != SV52 ) ) )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1079]) ).

thf(1151,plain,
    ! [SV56: $i,SV137: $i,SV110: $i] :
      ( ( ( ~ ( ~ ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
              | ( memberP @ SV110 @ SV56 )
              | ( memberP @ SV137 @ SV56 ) ) )
        = $false )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1080]) ).

thf(1152,plain,
    ! [SV137: $i,SV56: $i,SV110: $i] :
      ( ( ( ~ ( ~ ( ( memberP @ SV110 @ SV56 )
                  | ( memberP @ SV137 @ SV56 ) )
              | ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 ) ) )
        = $false )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1080]) ).

thf(1153,plain,
    ! [SV138: $i,SV111: $i,SV57: $i] :
      ( ( ( ~ ( ~ ( leq @ SV57 @ SV111 )
              | ~ ( lt @ SV111 @ SV138 ) ) )
        = $false )
      | ( ( lt @ SV57 @ SV138 )
        = $true )
      | ( ( ssItem @ SV138 )
        = $false )
      | ( ( ssItem @ SV111 )
        = $false )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1081]) ).

thf(1154,plain,
    ! [SV139: $i,SV112: $i,SV58: $i] :
      ( ( ( ~ ( ~ ( gt @ SV58 @ SV112 )
              | ~ ( gt @ SV112 @ SV139 ) ) )
        = $false )
      | ( ( gt @ SV58 @ SV139 )
        = $true )
      | ( ( ssItem @ SV139 )
        = $false )
      | ( ( ssItem @ SV112 )
        = $false )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1082]) ).

thf(1155,plain,
    ! [SV140: $i,SV115: $i,SV62: $i] :
      ( ( ( ~ ( ~ ( segmentP @ SV62 @ SV115 )
              | ~ ( segmentP @ SV115 @ SV140 ) ) )
        = $false )
      | ( ( segmentP @ SV62 @ SV140 )
        = $true )
      | ( ( ssList @ SV140 )
        = $false )
      | ( ( ssList @ SV115 )
        = $false )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1083]) ).

thf(1156,plain,
    ! [SV64: $i] :
      ( ( ( ~ ( ssItem @ ( sK9_SY311 @ SV64 ) ) )
        = $false )
      | ( ( nil = SV64 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1084]) ).

thf(1157,plain,
    ! [SV64: $i] :
      ( ( ( ( hd @ SV64 )
         != ( sK9_SY311 @ SV64 ) )
        = $false )
      | ( ( nil = SV64 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1084]) ).

thf(1158,plain,
    ! [SV65: $i,SV117: $i,SV141: $i] :
      ( ( ( ( app @ SV141 @ SV117 )
          = ( app @ SV65 @ SV117 ) )
        = $false )
      | ( ( SV141 = SV65 )
        = $true )
      | ( ( ssList @ SV141 )
        = $false )
      | ( ( ssList @ SV117 )
        = $false )
      | ( ( ssList @ SV65 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1085]) ).

thf(1159,plain,
    ! [SV66: $i,SV149: $i] :
      ( ( ( ssItem @ SV149 )
        = $false )
      | ( ( ! [SY422: $i] :
              ( ~ ( ssItem @ SY422 )
              | ! [SY423: $i] :
                  ( ~ ( ssList @ SY423 )
                  | ! [SY424: $i] :
                      ( ~ ( ssList @ SY424 )
                      | ! [SY425: $i] :
                          ( ~ ( ssList @ SY425 )
                          | ( ( app @ ( app @ SY423 @ ( cons @ SV149 @ SY424 ) ) @ ( cons @ SY422 @ SY425 ) )
                           != SV66 )
                          | ~ ~ ( ~ ( leq @ SV149 @ SY422 )
                                | ~ ( leq @ SY422 @ SV149 ) ) ) ) ) ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1086]) ).

thf(1160,plain,
    ! [SV66: $i] :
      ( ( ( ssItem @ ( sK14_SY319 @ SV66 ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1087]) ).

thf(1161,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssItem @ ( sK21_SY426 @ SV66 ) )
          | ! [SY445: $i] :
              ( ~ ( ssList @ SY445 )
              | ! [SY446: $i] :
                  ( ~ ( ssList @ SY446 )
                  | ! [SY447: $i] :
                      ( ~ ( ssList @ SY447 )
                      | ( ( app @ ( app @ SY445 @ ( cons @ ( sK14_SY319 @ SV66 ) @ SY446 ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ SY447 ) )
                       != SV66 )
                      | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
                            | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1088]) ).

thf(1162,plain,
    ! [SV142: $i,SV119: $i,SV72: $i] :
      ( ( ( frontsegP @ SV72 @ SV119 )
        = $false )
      | ( ( frontsegP @ ( app @ SV72 @ SV142 ) @ SV119 )
        = $true )
      | ( ( ssList @ SV142 )
        = $false )
      | ( ( ssList @ SV119 )
        = $false )
      | ( ( ssList @ SV72 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1089]) ).

thf(1163,plain,
    ! [SV120: $i,SV73: $i] :
      ( ( ( segmentP @ SV73 @ SV120 )
        = $false )
      | ( ( ~ ( segmentP @ SV120 @ SV73 ) )
        = $true )
      | ( ( SV73 = SV120 )
        = $true )
      | ( ( ssList @ SV120 )
        = $false )
      | ( ( ssList @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1090]) ).

thf(1164,plain,
    ! [SV143: $i,SV121: $i,SV75: $i] :
      ( ( ( ~ ( ~ ( rearsegP @ SV75 @ SV121 )
              | ~ ( rearsegP @ SV121 @ SV143 ) ) )
        = $false )
      | ( ( rearsegP @ SV75 @ SV143 )
        = $true )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1091]) ).

thf(1165,plain,
    ! [SV123: $i,SV77: $i] :
      ( ( ( geq @ SV77 @ SV123 )
        = $false )
      | ( ( leq @ SV123 @ SV77 )
        = $true )
      | ( ( ssItem @ SV123 )
        = $false )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1092]) ).

thf(1166,plain,
    ! [SV77: $i,SV123: $i] :
      ( ( ( leq @ SV123 @ SV77 )
        = $false )
      | ( ( geq @ SV77 @ SV123 )
        = $true )
      | ( ( ssItem @ SV123 )
        = $false )
      | ( ( ssItem @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1093]) ).

thf(1167,plain,
    ! [SV124: $i,SV78: $i] :
      ( ( ( geq @ SV78 @ SV124 )
        = $false )
      | ( ( ~ ( geq @ SV124 @ SV78 ) )
        = $true )
      | ( ( SV78 = SV124 )
        = $true )
      | ( ( ssItem @ SV124 )
        = $false )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1094]) ).

thf(1168,plain,
    ! [SV144: $i,SV125: $i,SV79: $i] :
      ( ( ( ~ ( ~ ( leq @ SV79 @ SV125 )
              | ~ ( leq @ SV125 @ SV144 ) ) )
        = $false )
      | ( ( leq @ SV79 @ SV144 )
        = $true )
      | ( ( ssItem @ SV144 )
        = $false )
      | ( ( ssItem @ SV125 )
        = $false )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1095]) ).

thf(1169,plain,
    ! [SV2: $i] :
      ( ( ( ssList @ ( sK7_SY203 @ SV2 ) )
        = $true )
      | ( ( nil = SV2 )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1097]) ).

thf(1170,plain,
    ! [SV2: $i] :
      ( ( ( ( tl @ SV2 )
          = ( sK7_SY203 @ SV2 ) )
        = $true )
      | ( ( nil = SV2 )
        = $true )
      | ( ( ssList @ SV2 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1098]) ).

thf(1171,plain,
    ! [SV81: $i,SV127: $i,SV3: $i,SV150: $i] :
      ( ( ( ssList @ SV150 )
        = $false )
      | ( ( ~ ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
                  | ~ ( ( SV3 != SV81 )
                      | ~ ( frontsegP @ SV127 @ SV150 ) ) )
              | ~ ( ~ ~ ( ( SV3 != SV81 )
                        | ~ ( frontsegP @ SV127 @ SV150 ) )
                  | ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1099]) ).

thf(1172,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ! [SY346: $i] :
              ~ ~ ( ~ ( ssList @ SY346 )
                  | ~ ~ ! [SY347: $i] :
                          ~ ~ ( ~ ( ssList @ SY347 )
                              | ( ( app @ ( app @ SY346 @ SV82 ) @ SY347 )
                               != SV4 ) ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1100]) ).

thf(1173,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ! [SY348: $i] :
              ~ ~ ( ~ ( ssList @ SY348 )
                  | ~ ~ ! [SY349: $i] :
                          ~ ~ ( ~ ( ssList @ SY349 )
                              | ( ( app @ ( app @ SY348 @ SV82 ) @ SY349 )
                               != SV4 ) ) ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1101]) ).

thf(1174,plain,
    ( ( nil != sK2_SX0 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1103]) ).

thf(1175,plain,
    ( ( sK2_SX0 != sK5_SY351 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1103]) ).

thf(1176,plain,
    ( ( sK1_U = sK4_SY335 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1104]) ).

thf(1177,plain,
    ( ( ssList @ sK15_SY383 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1105]) ).

thf(1178,plain,
    ( ( ( ( app @ sK4_SY335 @ sK15_SY383 )
       != sK5_SY351 )
      | ~ ( totalorderedP @ sK4_SY335 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1106]) ).

thf(1179,plain,
    ( ( ~ ! [SY430: $i] :
            ~ ~ ( ~ ( ssItem @ SY430 )
                | ~ ~ ! [SY431: $i] :
                        ~ ~ ( ~ ~ ( ~ ( ssList @ SY431 )
                                  | ( ( app @ ( cons @ SY430 @ nil ) @ SY431 )
                                   != sK15_SY383 ) )
                            | ~ ~ ! [SY355: $i] :
                                    ~ ~ ( ~ ( ssItem @ SY355 )
                                        | ~ ~ ! [SY356: $i] :
                                                ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                          | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                           != sK4_SY335 ) )
                                                    | ~ ( leq @ SY355 @ SY430 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1106]) ).

thf(1180,plain,
    ( ( ( nil = sK5_SY351 )
      = $true )
    | ( ( nil != sK4_SY335 )
      = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[1107]) ).

thf(1181,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( nil = SV85 )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                    | ~ ( totalorderedP @ SV85 ) )
              | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1108]) ).

thf(1182,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( nil = SV85 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1109]) ).

thf(1183,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ( nil != SV85 ) )
                    | ~ ( totalorderedP @ SV85 ) )
              | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) ) )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1109]) ).

thf(1184,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( ( SV9 != SV86 ) )
          | ~ ( leq @ SV9 @ SV86 ) )
        = $false )
      | ( ( lt @ SV9 @ SV86 )
        = $false )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1110]) ).

thf(1185,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( ( SV9 != SV86 ) )
          | ~ ( leq @ SV9 @ SV86 ) )
        = $true )
      | ( ( lt @ SV9 @ SV86 )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1111]) ).

thf(1186,plain,
    ! [SV130: $i,SV87: $i,SV10: $i] :
      ( ( ( ~ ( lt @ SV10 @ SV87 )
          | ~ ( lt @ SV87 @ SV130 ) )
        = $true )
      | ( ( lt @ SV10 @ SV130 )
        = $true )
      | ( ( ssItem @ SV130 )
        = $false )
      | ( ( ssItem @ SV87 )
        = $false )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1112]) ).

thf(1187,plain,
    ( ( ssItem @ sK8_SY342 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1113]) ).

thf(1188,plain,
    ( ( sK3_SX0 != sK8_SY342 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1114]) ).

thf(1189,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( ( nil != SV88 )
          | ( nil != SV11 ) )
        = $false )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $false )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1115]) ).

thf(1190,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( ( nil != SV88 )
          | ( nil != SV11 ) )
        = $true )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1116]) ).

thf(1191,plain,
    ! [SV13: $i,SV145: $i,SV154: $i] :
      ( ( ( ~ ( ssItem @ SV154 )
          | ! [SY448: $i] :
              ( ~ ( ssList @ SY448 )
              | ! [SY449: $i] :
                  ( ~ ( ssList @ SY449 )
                  | ! [SY450: $i] :
                      ( ~ ( ssList @ SY450 )
                      | ( ( app @ ( app @ SY448 @ ( cons @ SV145 @ SY449 ) ) @ ( cons @ SV154 @ SY450 ) )
                       != SV13 )
                      | ( SV145 != SV154 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1117]) ).

thf(1192,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssItem @ ( sK17_SY396 @ SV13 ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1119]) ).

thf(1193,plain,
    ! [SV13: $i] :
      ( ( ( ! [SY434: $i] :
              ( ~ ( ssList @ SY434 )
              | ! [SY435: $i] :
                  ( ~ ( ssList @ SY435 )
                  | ! [SY436: $i] :
                      ( ~ ( ssList @ SY436 )
                      | ( ( app @ ( app @ SY434 @ ( cons @ ( sK10_SY226 @ SV13 ) @ SY435 ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ SY436 ) )
                       != SV13 )
                      | ( ( sK10_SY226 @ SV13 )
                       != ( sK17_SY396 @ SV13 ) ) ) ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1119]) ).

thf(1194,plain,
    ! [SV15: $i,SV90: $i] :
      ( ( ( ! [SY359: $i] :
              ~ ~ ( ~ ( ssList @ SY359 )
                  | ( ( app @ SY359 @ SV90 )
                   != SV15 ) ) )
        = $false )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1120]) ).

thf(1195,plain,
    ! [SV15: $i,SV90: $i] :
      ( ( ( ! [SY360: $i] :
              ~ ~ ( ~ ( ssList @ SY360 )
                  | ( ( app @ SY360 @ SV90 )
                   != SV15 ) ) )
        = $true )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1121]) ).

thf(1196,plain,
    ! [SV16: $i,SV91: $i] :
      ( ( ( rearsegP @ SV91 @ SV16 )
        = $false )
      | ( ( rearsegP @ SV16 @ SV91 )
        = $false )
      | ( ( SV16 = SV91 )
        = $true )
      | ( ( ssList @ SV91 )
        = $false )
      | ( ( ssList @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1122]) ).

thf(1197,plain,
    ! [SV17: $i,SV146: $i,SV155: $i] :
      ( ( ( ~ ( ssItem @ SV155 )
          | ! [SY451: $i] :
              ( ~ ( ssList @ SY451 )
              | ! [SY452: $i] :
                  ( ~ ( ssList @ SY452 )
                  | ( ( app @ SY451 @ ( cons @ SV146 @ ( cons @ SV155 @ SY452 ) ) )
                   != SV17 )
                  | ( SV146 = SV155 ) ) ) )
        = $true )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1123]) ).

thf(1198,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssItem @ ( sK18_SY403 @ SV17 ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1125]) ).

thf(1199,plain,
    ! [SV17: $i] :
      ( ( ( ! [SY437: $i] :
              ( ~ ( ssList @ SY437 )
              | ! [SY438: $i] :
                  ( ~ ( ssList @ SY438 )
                  | ( ( app @ SY437 @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ ( sK18_SY403 @ SV17 ) @ SY438 ) ) )
                   != SV17 )
                  | ( ( sK11_SY240 @ SV17 )
                    = ( sK18_SY403 @ SV17 ) ) ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1125]) ).

thf(1200,plain,
    ! [SV18: $i,SV147: $i,SV156: $i] :
      ( ( ( ~ ( ssItem @ SV156 )
          | ! [SY453: $i] :
              ( ~ ( ssList @ SY453 )
              | ! [SY454: $i] :
                  ( ~ ( ssList @ SY454 )
                  | ! [SY455: $i] :
                      ( ~ ( ssList @ SY455 )
                      | ( ( app @ ( app @ SY453 @ ( cons @ SV147 @ SY454 ) ) @ ( cons @ SV156 @ SY455 ) )
                       != SV18 )
                      | ( leq @ SV147 @ SV156 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1126]) ).

thf(1201,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssItem @ ( sK19_SY410 @ SV18 ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1128]) ).

thf(1202,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY439: $i] :
              ( ~ ( ssList @ SY439 )
              | ! [SY440: $i] :
                  ( ~ ( ssList @ SY440 )
                  | ! [SY441: $i] :
                      ( ~ ( ssList @ SY441 )
                      | ( ( app @ ( app @ SY439 @ ( cons @ ( sK12_SY249 @ SV18 ) @ SY440 ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ SY441 ) )
                       != SV18 )
                      | ( leq @ ( sK12_SY249 @ SV18 ) @ ( sK19_SY410 @ SV18 ) ) ) ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1128]) ).

thf(1203,plain,
    ! [SV20: $i,SV148: $i,SV157: $i] :
      ( ( ( ~ ( ssItem @ SV157 )
          | ! [SY456: $i] :
              ( ~ ( ssList @ SY456 )
              | ! [SY457: $i] :
                  ( ~ ( ssList @ SY457 )
                  | ! [SY458: $i] :
                      ( ~ ( ssList @ SY458 )
                      | ( ( app @ ( app @ SY456 @ ( cons @ SV148 @ SY457 ) ) @ ( cons @ SV157 @ SY458 ) )
                       != SV20 )
                      | ( leq @ SV148 @ SV157 )
                      | ( leq @ SV157 @ SV148 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1129]) ).

thf(1204,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssItem @ ( sK20_SY418 @ SV20 ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1131]) ).

thf(1205,plain,
    ! [SV20: $i] :
      ( ( ( ! [SY442: $i] :
              ( ~ ( ssList @ SY442 )
              | ! [SY443: $i] :
                  ( ~ ( ssList @ SY443 )
                  | ! [SY444: $i] :
                      ( ~ ( ssList @ SY444 )
                      | ( ( app @ ( app @ SY442 @ ( cons @ ( sK13_SY260 @ SV20 ) @ SY443 ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ SY444 ) )
                       != SV20 )
                      | ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
                      | ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) ) ) ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1131]) ).

thf(1206,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ! [SY361: $i] :
              ~ ~ ( ~ ( ssList @ SY361 )
                  | ~ ~ ! [SY362: $i] :
                          ~ ~ ( ~ ( ssList @ SY362 )
                              | ( ( app @ SY361 @ ( cons @ SV94 @ SY362 ) )
                               != SV24 ) ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1132]) ).

thf(1207,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ! [SY363: $i] :
              ~ ~ ( ~ ( ssList @ SY363 )
                  | ~ ~ ! [SY364: $i] :
                          ~ ~ ( ~ ( ssList @ SY364 )
                              | ( ( app @ SY363 @ ( cons @ SV94 @ SY364 ) )
                               != SV24 ) ) ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1133]) ).

thf(1208,plain,
    ! [SV131: $i,SV95: $i,SV26: $i,SV151: $i] :
      ( ( ( ssList @ SV151 )
        = $false )
      | ( ( ~ ( segmentP @ SV26 @ SV95 )
          | ( segmentP @ ( app @ ( app @ SV131 @ SV26 ) @ SV151 ) @ SV95 ) )
        = $true )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( ssList @ SV95 )
        = $false )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1134]) ).

thf(1209,plain,
    ! [SV96: $i,SV27: $i,SV132: $i,SV152: $i] :
      ( ( ( ssItem @ SV152 )
        = $false )
      | ( ( ( ( cons @ SV132 @ SV27 )
           != ( cons @ SV152 @ SV96 ) )
          | ~ ( ( SV132 != SV152 )
              | ( SV96 != SV27 ) ) )
        = $true )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1135]) ).

thf(1210,plain,
    ! [SV133: $i,SV97: $i,SV29: $i] :
      ( ( ( ~ ( frontsegP @ SV29 @ SV97 )
          | ~ ( frontsegP @ SV97 @ SV133 ) )
        = $true )
      | ( ( frontsegP @ SV29 @ SV133 )
        = $true )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( ssList @ SV97 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1136]) ).

thf(1211,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( SV31 = SV99 )
        = $false )
      | ( ( neq @ SV31 @ SV99 )
        = $false )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1137]) ).

thf(1212,plain,
    ! [SV99: $i,SV31: $i] :
      ( ( ( SV31 = SV99 )
        = $true )
      | ( ( neq @ SV31 @ SV99 )
        = $true )
      | ( ( ssItem @ SV99 )
        = $false )
      | ( ( ssItem @ SV31 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1138]) ).

thf(1213,plain,
    ! [SV32: $i,SV134: $i,SV100: $i] :
      ( ( ( ~ ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
          | ( SV32 = SV100 )
          | ( memberP @ SV134 @ SV32 ) )
        = $true )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1139]) ).

thf(1214,plain,
    ! [SV134: $i,SV100: $i,SV32: $i] :
      ( ( ( ~ ( ( SV32 = SV100 )
              | ( memberP @ SV134 @ SV32 ) )
          | ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 ) )
        = $true )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1140]) ).

thf(1215,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( ssItem @ ( sK16_SY283 @ SV34 ) )
          | ( ( cons @ ( sK16_SY283 @ SV34 ) @ nil )
           != SV34 ) )
        = $false )
      | ( ( singletonP @ SV34 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1141]) ).

thf(1216,plain,
    ! [SV34: $i,SV153: $i] :
      ( ( ( ~ ( ssItem @ SV153 )
          | ( ( cons @ SV153 @ nil )
           != SV34 ) )
        = $true )
      | ( ( singletonP @ SV34 )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1142]) ).

thf(1217,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( SV35 = SV101 )
        = $false )
      | ( ( neq @ SV35 @ SV101 )
        = $false )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1143]) ).

thf(1218,plain,
    ! [SV101: $i,SV35: $i] :
      ( ( ( SV35 = SV101 )
        = $true )
      | ( ( neq @ SV35 @ SV101 )
        = $true )
      | ( ( ssList @ SV101 )
        = $false )
      | ( ( ssList @ SV35 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1144]) ).

thf(1219,plain,
    ! [SV40: $i,SV103: $i] :
      ( ( ( frontsegP @ SV103 @ SV40 )
        = $false )
      | ( ( frontsegP @ SV40 @ SV103 )
        = $false )
      | ( ( SV40 = SV103 )
        = $true )
      | ( ( ssList @ SV103 )
        = $false )
      | ( ( ssList @ SV40 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1145]) ).

thf(1220,plain,
    ! [SV43: $i,SV104: $i] :
      ( ( ( leq @ SV104 @ SV43 )
        = $false )
      | ( ( leq @ SV43 @ SV104 )
        = $false )
      | ( ( SV43 = SV104 )
        = $true )
      | ( ( ssItem @ SV104 )
        = $false )
      | ( ( ssItem @ SV43 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1146]) ).

thf(1221,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ! [SY372: $i] :
              ~ ~ ( ~ ( ssList @ SY372 )
                  | ( ( app @ SV105 @ SY372 )
                   != SV47 ) ) )
        = $false )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1147]) ).

thf(1222,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ! [SY373: $i] :
              ~ ~ ( ~ ( ssList @ SY373 )
                  | ( ( app @ SV105 @ SY373 )
                   != SV47 ) ) )
        = $true )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1148]) ).

thf(1223,plain,
    ! [SV136: $i,SV107: $i,SV51: $i] :
      ( ( ( ~ ( geq @ SV51 @ SV107 )
          | ~ ( geq @ SV107 @ SV136 ) )
        = $true )
      | ( ( geq @ SV51 @ SV136 )
        = $true )
      | ( ( ssItem @ SV136 )
        = $false )
      | ( ( ssItem @ SV107 )
        = $false )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1149]) ).

thf(1224,plain,
    ! [SV52: $i] :
      ( ( ( ~ ~ ( ~ ( ssItem @ ( sK22_SY388 @ SV52 ) )
                | ( ( cons @ ( sK22_SY388 @ SV52 ) @ ( sK6_SY296 @ SV52 ) )
                 != SV52 ) ) )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1150]) ).

thf(1225,plain,
    ! [SV56: $i,SV137: $i,SV110: $i] :
      ( ( ( ~ ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
          | ( memberP @ SV110 @ SV56 )
          | ( memberP @ SV137 @ SV56 ) )
        = $true )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1151]) ).

thf(1226,plain,
    ! [SV137: $i,SV56: $i,SV110: $i] :
      ( ( ( ~ ( ( memberP @ SV110 @ SV56 )
              | ( memberP @ SV137 @ SV56 ) )
          | ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 ) )
        = $true )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1152]) ).

thf(1227,plain,
    ! [SV138: $i,SV111: $i,SV57: $i] :
      ( ( ( ~ ( leq @ SV57 @ SV111 )
          | ~ ( lt @ SV111 @ SV138 ) )
        = $true )
      | ( ( lt @ SV57 @ SV138 )
        = $true )
      | ( ( ssItem @ SV138 )
        = $false )
      | ( ( ssItem @ SV111 )
        = $false )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1153]) ).

thf(1228,plain,
    ! [SV139: $i,SV112: $i,SV58: $i] :
      ( ( ( ~ ( gt @ SV58 @ SV112 )
          | ~ ( gt @ SV112 @ SV139 ) )
        = $true )
      | ( ( gt @ SV58 @ SV139 )
        = $true )
      | ( ( ssItem @ SV139 )
        = $false )
      | ( ( ssItem @ SV112 )
        = $false )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1154]) ).

thf(1229,plain,
    ! [SV140: $i,SV115: $i,SV62: $i] :
      ( ( ( ~ ( segmentP @ SV62 @ SV115 )
          | ~ ( segmentP @ SV115 @ SV140 ) )
        = $true )
      | ( ( segmentP @ SV62 @ SV140 )
        = $true )
      | ( ( ssList @ SV140 )
        = $false )
      | ( ( ssList @ SV115 )
        = $false )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1155]) ).

thf(1230,plain,
    ! [SV64: $i] :
      ( ( ( ssItem @ ( sK9_SY311 @ SV64 ) )
        = $true )
      | ( ( nil = SV64 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1156]) ).

thf(1231,plain,
    ! [SV64: $i] :
      ( ( ( ( hd @ SV64 )
          = ( sK9_SY311 @ SV64 ) )
        = $true )
      | ( ( nil = SV64 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1157]) ).

thf(1232,plain,
    ! [SV66: $i,SV149: $i,SV158: $i] :
      ( ( ( ~ ( ssItem @ SV158 )
          | ! [SY459: $i] :
              ( ~ ( ssList @ SY459 )
              | ! [SY460: $i] :
                  ( ~ ( ssList @ SY460 )
                  | ! [SY461: $i] :
                      ( ~ ( ssList @ SY461 )
                      | ( ( app @ ( app @ SY459 @ ( cons @ SV149 @ SY460 ) ) @ ( cons @ SV158 @ SY461 ) )
                       != SV66 )
                      | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                            | ~ ( leq @ SV158 @ SV149 ) ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1159]) ).

thf(1233,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssItem @ ( sK21_SY426 @ SV66 ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1161]) ).

thf(1234,plain,
    ! [SV66: $i] :
      ( ( ( ! [SY445: $i] :
              ( ~ ( ssList @ SY445 )
              | ! [SY446: $i] :
                  ( ~ ( ssList @ SY446 )
                  | ! [SY447: $i] :
                      ( ~ ( ssList @ SY447 )
                      | ( ( app @ ( app @ SY445 @ ( cons @ ( sK14_SY319 @ SV66 ) @ SY446 ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ SY447 ) )
                       != SV66 )
                      | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
                            | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1161]) ).

thf(1235,plain,
    ! [SV73: $i,SV120: $i] :
      ( ( ( segmentP @ SV120 @ SV73 )
        = $false )
      | ( ( segmentP @ SV73 @ SV120 )
        = $false )
      | ( ( SV73 = SV120 )
        = $true )
      | ( ( ssList @ SV120 )
        = $false )
      | ( ( ssList @ SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1163]) ).

thf(1236,plain,
    ! [SV143: $i,SV121: $i,SV75: $i] :
      ( ( ( ~ ( rearsegP @ SV75 @ SV121 )
          | ~ ( rearsegP @ SV121 @ SV143 ) )
        = $true )
      | ( ( rearsegP @ SV75 @ SV143 )
        = $true )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1164]) ).

thf(1237,plain,
    ! [SV78: $i,SV124: $i] :
      ( ( ( geq @ SV124 @ SV78 )
        = $false )
      | ( ( geq @ SV78 @ SV124 )
        = $false )
      | ( ( SV78 = SV124 )
        = $true )
      | ( ( ssItem @ SV124 )
        = $false )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1167]) ).

thf(1238,plain,
    ! [SV144: $i,SV125: $i,SV79: $i] :
      ( ( ( ~ ( leq @ SV79 @ SV125 )
          | ~ ( leq @ SV125 @ SV144 ) )
        = $true )
      | ( ( leq @ SV79 @ SV144 )
        = $true )
      | ( ( ssItem @ SV144 )
        = $false )
      | ( ( ssItem @ SV125 )
        = $false )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1168]) ).

thf(1239,plain,
    ! [SV150: $i,SV81: $i,SV127: $i,SV3: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
              | ~ ( ( SV3 != SV81 )
                  | ~ ( frontsegP @ SV127 @ SV150 ) ) )
          | ~ ( ~ ~ ( ( SV3 != SV81 )
                    | ~ ( frontsegP @ SV127 @ SV150 ) )
              | ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) ) ) )
        = $false )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1171]) ).

thf(1240,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK23_SY346 @ SV4 @ SV82 ) )
                | ~ ~ ! [SY462: $i] :
                        ~ ~ ( ~ ( ssList @ SY462 )
                            | ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ SY462 )
                             != SV4 ) ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1172]) ).

thf(1241,plain,
    ! [SV4: $i,SV82: $i,SV159: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV159 )
                | ~ ~ ! [SY463: $i] :
                        ~ ~ ( ~ ( ssList @ SY463 )
                            | ( ( app @ ( app @ SV159 @ SV82 ) @ SY463 )
                             != SV4 ) ) ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1173]) ).

thf(1242,plain,
    ( ( nil = sK2_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1174]) ).

thf(1243,plain,
    ( ( sK2_SX0 = sK5_SY351 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1175]) ).

thf(1244,plain,
    ( ( ( app @ sK4_SY335 @ sK15_SY383 )
     != sK5_SY351 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1178]) ).

thf(1245,plain,
    ( ( ~ ( totalorderedP @ sK4_SY335 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[1178]) ).

thf(1246,plain,
    ( ( ! [SY430: $i] :
          ~ ~ ( ~ ( ssItem @ SY430 )
              | ~ ~ ! [SY431: $i] :
                      ~ ~ ( ~ ~ ( ~ ( ssList @ SY431 )
                                | ( ( app @ ( cons @ SY430 @ nil ) @ SY431 )
                                 != sK15_SY383 ) )
                          | ~ ~ ! [SY355: $i] :
                                  ~ ~ ( ~ ( ssItem @ SY355 )
                                      | ~ ~ ! [SY356: $i] :
                                              ~ ~ ( ~ ~ ( ~ ( ssList @ SY356 )
                                                        | ( ( app @ SY356 @ ( cons @ SY355 @ nil ) )
                                                         != sK4_SY335 ) )
                                                  | ~ ( leq @ SY355 @ SY430 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1179]) ).

thf(1247,plain,
    ( ( ( nil = sK4_SY335 )
      = $false )
    | ( ( nil = sK5_SY351 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1180]) ).

thf(1248,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ~ ( ~ ( ( nil != SV85 ) )
                | ~ ( totalorderedP @ SV85 ) )
          | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $false )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1181]) ).

thf(1249,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ~ ( ~ ( ( nil != SV85 ) )
                | ~ ( totalorderedP @ SV85 ) )
          | ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1183]) ).

thf(1250,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( ( SV9 != SV86 ) ) )
        = $false )
      | ( ( lt @ SV9 @ SV86 )
        = $false )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1184]) ).

thf(1251,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( leq @ SV9 @ SV86 ) )
        = $false )
      | ( ( lt @ SV9 @ SV86 )
        = $false )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1184]) ).

thf(1252,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( ~ ( ( SV9 != SV86 ) ) )
        = $true )
      | ( ( ~ ( leq @ SV9 @ SV86 ) )
        = $true )
      | ( ( lt @ SV9 @ SV86 )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1185]) ).

thf(1253,plain,
    ! [SV130: $i,SV87: $i,SV10: $i] :
      ( ( ( ~ ( lt @ SV10 @ SV87 ) )
        = $true )
      | ( ( ~ ( lt @ SV87 @ SV130 ) )
        = $true )
      | ( ( lt @ SV10 @ SV130 )
        = $true )
      | ( ( ssItem @ SV130 )
        = $false )
      | ( ( ssItem @ SV87 )
        = $false )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1186]) ).

thf(1254,plain,
    ( ( sK3_SX0 = sK8_SY342 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[1188]) ).

thf(1255,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( nil != SV88 )
        = $false )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $false )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1189]) ).

thf(1256,plain,
    ! [SV88: $i,SV11: $i] :
      ( ( ( nil != SV11 )
        = $false )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $false )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1189]) ).

thf(1257,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( nil != SV88 )
        = $true )
      | ( ( nil != SV11 )
        = $true )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1190]) ).

thf(1258,plain,
    ! [SV13: $i,SV145: $i,SV154: $i] :
      ( ( ( ~ ( ssItem @ SV154 ) )
        = $true )
      | ( ( ! [SY448: $i] :
              ( ~ ( ssList @ SY448 )
              | ! [SY449: $i] :
                  ( ~ ( ssList @ SY449 )
                  | ! [SY450: $i] :
                      ( ~ ( ssList @ SY450 )
                      | ( ( app @ ( app @ SY448 @ ( cons @ SV145 @ SY449 ) ) @ ( cons @ SV154 @ SY450 ) )
                       != SV13 )
                      | ( SV145 != SV154 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1191]) ).

thf(1259,plain,
    ! [SV13: $i] :
      ( ( ( ssItem @ ( sK17_SY396 @ SV13 ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1192]) ).

thf(1260,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssList @ ( sK24_SY434 @ SV13 ) )
          | ! [SY464: $i] :
              ( ~ ( ssList @ SY464 )
              | ! [SY465: $i] :
                  ( ~ ( ssList @ SY465 )
                  | ( ( app @ ( app @ ( sK24_SY434 @ SV13 ) @ ( cons @ ( sK10_SY226 @ SV13 ) @ SY464 ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ SY465 ) )
                   != SV13 )
                  | ( ( sK10_SY226 @ SV13 )
                   != ( sK17_SY396 @ SV13 ) ) ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1193]) ).

thf(1261,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK25_SY359 @ SV15 @ SV90 ) )
                | ( ( app @ ( sK25_SY359 @ SV15 @ SV90 ) @ SV90 )
                 != SV15 ) ) )
        = $false )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1194]) ).

thf(1262,plain,
    ! [SV15: $i,SV90: $i,SV160: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV160 )
                | ( ( app @ SV160 @ SV90 )
                 != SV15 ) ) )
        = $true )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1195]) ).

thf(1263,plain,
    ! [SV17: $i,SV146: $i,SV155: $i] :
      ( ( ( ~ ( ssItem @ SV155 ) )
        = $true )
      | ( ( ! [SY451: $i] :
              ( ~ ( ssList @ SY451 )
              | ! [SY452: $i] :
                  ( ~ ( ssList @ SY452 )
                  | ( ( app @ SY451 @ ( cons @ SV146 @ ( cons @ SV155 @ SY452 ) ) )
                   != SV17 )
                  | ( SV146 = SV155 ) ) ) )
        = $true )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1197]) ).

thf(1264,plain,
    ! [SV17: $i] :
      ( ( ( ssItem @ ( sK18_SY403 @ SV17 ) )
        = $true )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1198]) ).

thf(1265,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssList @ ( sK26_SY437 @ SV17 ) )
          | ! [SY466: $i] :
              ( ~ ( ssList @ SY466 )
              | ( ( app @ ( sK26_SY437 @ SV17 ) @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ ( sK18_SY403 @ SV17 ) @ SY466 ) ) )
               != SV17 )
              | ( ( sK11_SY240 @ SV17 )
                = ( sK18_SY403 @ SV17 ) ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1199]) ).

thf(1266,plain,
    ! [SV18: $i,SV147: $i,SV156: $i] :
      ( ( ( ~ ( ssItem @ SV156 ) )
        = $true )
      | ( ( ! [SY453: $i] :
              ( ~ ( ssList @ SY453 )
              | ! [SY454: $i] :
                  ( ~ ( ssList @ SY454 )
                  | ! [SY455: $i] :
                      ( ~ ( ssList @ SY455 )
                      | ( ( app @ ( app @ SY453 @ ( cons @ SV147 @ SY454 ) ) @ ( cons @ SV156 @ SY455 ) )
                       != SV18 )
                      | ( leq @ SV147 @ SV156 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1200]) ).

thf(1267,plain,
    ! [SV18: $i] :
      ( ( ( ssItem @ ( sK19_SY410 @ SV18 ) )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1201]) ).

thf(1268,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssList @ ( sK27_SY439 @ SV18 ) )
          | ! [SY467: $i] :
              ( ~ ( ssList @ SY467 )
              | ! [SY468: $i] :
                  ( ~ ( ssList @ SY468 )
                  | ( ( app @ ( app @ ( sK27_SY439 @ SV18 ) @ ( cons @ ( sK12_SY249 @ SV18 ) @ SY467 ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ SY468 ) )
                   != SV18 )
                  | ( leq @ ( sK12_SY249 @ SV18 ) @ ( sK19_SY410 @ SV18 ) ) ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1202]) ).

thf(1269,plain,
    ! [SV20: $i,SV148: $i,SV157: $i] :
      ( ( ( ~ ( ssItem @ SV157 ) )
        = $true )
      | ( ( ! [SY456: $i] :
              ( ~ ( ssList @ SY456 )
              | ! [SY457: $i] :
                  ( ~ ( ssList @ SY457 )
                  | ! [SY458: $i] :
                      ( ~ ( ssList @ SY458 )
                      | ( ( app @ ( app @ SY456 @ ( cons @ SV148 @ SY457 ) ) @ ( cons @ SV157 @ SY458 ) )
                       != SV20 )
                      | ( leq @ SV148 @ SV157 )
                      | ( leq @ SV157 @ SV148 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1203]) ).

thf(1270,plain,
    ! [SV20: $i] :
      ( ( ( ssItem @ ( sK20_SY418 @ SV20 ) )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1204]) ).

thf(1271,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssList @ ( sK28_SY442 @ SV20 ) )
          | ! [SY469: $i] :
              ( ~ ( ssList @ SY469 )
              | ! [SY470: $i] :
                  ( ~ ( ssList @ SY470 )
                  | ( ( app @ ( app @ ( sK28_SY442 @ SV20 ) @ ( cons @ ( sK13_SY260 @ SV20 ) @ SY469 ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ SY470 ) )
                   != SV20 )
                  | ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
                  | ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) ) ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1205]) ).

thf(1272,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK29_SY361 @ SV24 @ SV94 ) )
                | ~ ~ ! [SY471: $i] :
                        ~ ~ ( ~ ( ssList @ SY471 )
                            | ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ SY471 ) )
                             != SV24 ) ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1206]) ).

thf(1273,plain,
    ! [SV24: $i,SV94: $i,SV161: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV161 )
                | ~ ~ ! [SY472: $i] :
                        ~ ~ ( ~ ( ssList @ SY472 )
                            | ( ( app @ SV161 @ ( cons @ SV94 @ SY472 ) )
                             != SV24 ) ) ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1207]) ).

thf(1274,plain,
    ! [SV151: $i,SV131: $i,SV95: $i,SV26: $i] :
      ( ( ( ~ ( segmentP @ SV26 @ SV95 ) )
        = $true )
      | ( ( segmentP @ ( app @ ( app @ SV131 @ SV26 ) @ SV151 ) @ SV95 )
        = $true )
      | ( ( ssList @ SV151 )
        = $false )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( ssList @ SV95 )
        = $false )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1208]) ).

thf(1275,plain,
    ! [SV96: $i,SV152: $i,SV27: $i,SV132: $i] :
      ( ( ( ( cons @ SV132 @ SV27 )
         != ( cons @ SV152 @ SV96 ) )
        = $true )
      | ( ( ~ ( ( SV132 != SV152 )
              | ( SV96 != SV27 ) ) )
        = $true )
      | ( ( ssItem @ SV152 )
        = $false )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1209]) ).

thf(1276,plain,
    ! [SV133: $i,SV97: $i,SV29: $i] :
      ( ( ( ~ ( frontsegP @ SV29 @ SV97 ) )
        = $true )
      | ( ( ~ ( frontsegP @ SV97 @ SV133 ) )
        = $true )
      | ( ( frontsegP @ SV29 @ SV133 )
        = $true )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( ssList @ SV97 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1210]) ).

thf(1277,plain,
    ! [SV32: $i,SV134: $i,SV100: $i] :
      ( ( ( ~ ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 ) )
        = $true )
      | ( ( ( SV32 = SV100 )
          | ( memberP @ SV134 @ SV32 ) )
        = $true )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1213]) ).

thf(1278,plain,
    ! [SV134: $i,SV100: $i,SV32: $i] :
      ( ( ( ~ ( ( SV32 = SV100 )
              | ( memberP @ SV134 @ SV32 ) ) )
        = $true )
      | ( ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
        = $true )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1214]) ).

thf(1279,plain,
    ! [SV34: $i] :
      ( ( ( ~ ( ssItem @ ( sK16_SY283 @ SV34 ) ) )
        = $false )
      | ( ( singletonP @ SV34 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1215]) ).

thf(1280,plain,
    ! [SV34: $i] :
      ( ( ( ( cons @ ( sK16_SY283 @ SV34 ) @ nil )
         != SV34 )
        = $false )
      | ( ( singletonP @ SV34 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1215]) ).

thf(1281,plain,
    ! [SV34: $i,SV153: $i] :
      ( ( ( ~ ( ssItem @ SV153 ) )
        = $true )
      | ( ( ( cons @ SV153 @ nil )
         != SV34 )
        = $true )
      | ( ( singletonP @ SV34 )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1216]) ).

thf(1282,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK30_SY372 @ SV47 @ SV105 ) )
                | ( ( app @ SV105 @ ( sK30_SY372 @ SV47 @ SV105 ) )
                 != SV47 ) ) )
        = $false )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1221]) ).

thf(1283,plain,
    ! [SV47: $i,SV105: $i,SV162: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV162 )
                | ( ( app @ SV105 @ SV162 )
                 != SV47 ) ) )
        = $true )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1222]) ).

thf(1284,plain,
    ! [SV136: $i,SV107: $i,SV51: $i] :
      ( ( ( ~ ( geq @ SV51 @ SV107 ) )
        = $true )
      | ( ( ~ ( geq @ SV107 @ SV136 ) )
        = $true )
      | ( ( geq @ SV51 @ SV136 )
        = $true )
      | ( ( ssItem @ SV136 )
        = $false )
      | ( ( ssItem @ SV107 )
        = $false )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1223]) ).

thf(1285,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( ~ ( ssItem @ ( sK22_SY388 @ SV52 ) )
              | ( ( cons @ ( sK22_SY388 @ SV52 ) @ ( sK6_SY296 @ SV52 ) )
               != SV52 ) ) )
        = $true )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1224]) ).

thf(1286,plain,
    ! [SV56: $i,SV137: $i,SV110: $i] :
      ( ( ( ~ ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 ) )
        = $true )
      | ( ( ( memberP @ SV110 @ SV56 )
          | ( memberP @ SV137 @ SV56 ) )
        = $true )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1225]) ).

thf(1287,plain,
    ! [SV137: $i,SV56: $i,SV110: $i] :
      ( ( ( ~ ( ( memberP @ SV110 @ SV56 )
              | ( memberP @ SV137 @ SV56 ) ) )
        = $true )
      | ( ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
        = $true )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1226]) ).

thf(1288,plain,
    ! [SV138: $i,SV111: $i,SV57: $i] :
      ( ( ( ~ ( leq @ SV57 @ SV111 ) )
        = $true )
      | ( ( ~ ( lt @ SV111 @ SV138 ) )
        = $true )
      | ( ( lt @ SV57 @ SV138 )
        = $true )
      | ( ( ssItem @ SV138 )
        = $false )
      | ( ( ssItem @ SV111 )
        = $false )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1227]) ).

thf(1289,plain,
    ! [SV139: $i,SV112: $i,SV58: $i] :
      ( ( ( ~ ( gt @ SV58 @ SV112 ) )
        = $true )
      | ( ( ~ ( gt @ SV112 @ SV139 ) )
        = $true )
      | ( ( gt @ SV58 @ SV139 )
        = $true )
      | ( ( ssItem @ SV139 )
        = $false )
      | ( ( ssItem @ SV112 )
        = $false )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1228]) ).

thf(1290,plain,
    ! [SV140: $i,SV115: $i,SV62: $i] :
      ( ( ( ~ ( segmentP @ SV62 @ SV115 ) )
        = $true )
      | ( ( ~ ( segmentP @ SV115 @ SV140 ) )
        = $true )
      | ( ( segmentP @ SV62 @ SV140 )
        = $true )
      | ( ( ssList @ SV140 )
        = $false )
      | ( ( ssList @ SV115 )
        = $false )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1229]) ).

thf(1291,plain,
    ! [SV66: $i,SV149: $i,SV158: $i] :
      ( ( ( ~ ( ssItem @ SV158 ) )
        = $true )
      | ( ( ! [SY459: $i] :
              ( ~ ( ssList @ SY459 )
              | ! [SY460: $i] :
                  ( ~ ( ssList @ SY460 )
                  | ! [SY461: $i] :
                      ( ~ ( ssList @ SY461 )
                      | ( ( app @ ( app @ SY459 @ ( cons @ SV149 @ SY460 ) ) @ ( cons @ SV158 @ SY461 ) )
                       != SV66 )
                      | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                            | ~ ( leq @ SV158 @ SV149 ) ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1232]) ).

thf(1292,plain,
    ! [SV66: $i] :
      ( ( ( ssItem @ ( sK21_SY426 @ SV66 ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1233]) ).

thf(1293,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssList @ ( sK31_SY445 @ SV66 ) )
          | ! [SY473: $i] :
              ( ~ ( ssList @ SY473 )
              | ! [SY474: $i] :
                  ( ~ ( ssList @ SY474 )
                  | ( ( app @ ( app @ ( sK31_SY445 @ SV66 ) @ ( cons @ ( sK14_SY319 @ SV66 ) @ SY473 ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ SY474 ) )
                   != SV66 )
                  | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
                        | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1234]) ).

thf(1294,plain,
    ! [SV143: $i,SV121: $i,SV75: $i] :
      ( ( ( ~ ( rearsegP @ SV75 @ SV121 ) )
        = $true )
      | ( ( ~ ( rearsegP @ SV121 @ SV143 ) )
        = $true )
      | ( ( rearsegP @ SV75 @ SV143 )
        = $true )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1236]) ).

thf(1295,plain,
    ! [SV144: $i,SV125: $i,SV79: $i] :
      ( ( ( ~ ( leq @ SV79 @ SV125 ) )
        = $true )
      | ( ( ~ ( leq @ SV125 @ SV144 ) )
        = $true )
      | ( ( leq @ SV79 @ SV144 )
        = $true )
      | ( ( ssItem @ SV144 )
        = $false )
      | ( ( ssItem @ SV125 )
        = $false )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1238]) ).

thf(1296,plain,
    ! [SV150: $i,SV81: $i,SV127: $i,SV3: $i] :
      ( ( ( ~ ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
              | ~ ( ( SV3 != SV81 )
                  | ~ ( frontsegP @ SV127 @ SV150 ) ) ) )
        = $false )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1239]) ).

thf(1297,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( ~ ( ~ ~ ( ( SV3 != SV81 )
                    | ~ ( frontsegP @ SV127 @ SV150 ) )
              | ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) ) ) )
        = $false )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1239]) ).

thf(1298,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK23_SY346 @ SV4 @ SV82 ) )
              | ~ ~ ! [SY462: $i] :
                      ~ ~ ( ~ ( ssList @ SY462 )
                          | ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ SY462 )
                           != SV4 ) ) ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1240]) ).

thf(1299,plain,
    ! [SV4: $i,SV82: $i,SV159: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV159 )
              | ~ ~ ! [SY463: $i] :
                      ~ ~ ( ~ ( ssList @ SY463 )
                          | ( ( app @ ( app @ SV159 @ SV82 ) @ SY463 )
                           != SV4 ) ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1241]) ).

thf(1300,plain,
    ( ( ( app @ sK4_SY335 @ sK15_SY383 )
      = sK5_SY351 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1244]) ).

thf(1301,plain,
    ( ( totalorderedP @ sK4_SY335 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[1245]) ).

thf(1302,plain,
    ! [SV163: $i] :
      ( ( ~ ~ ( ~ ( ssItem @ SV163 )
              | ~ ~ ! [SY475: $i] :
                      ~ ~ ( ~ ~ ( ~ ( ssList @ SY475 )
                                | ( ( app @ ( cons @ SV163 @ nil ) @ SY475 )
                                 != sK15_SY383 ) )
                          | ~ ~ ! [SY476: $i] :
                                  ~ ~ ( ~ ( ssItem @ SY476 )
                                      | ~ ~ ! [SY477: $i] :
                                              ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                                        | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                                         != sK4_SY335 ) )
                                                  | ~ ( leq @ SY476 @ SV163 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1246]) ).

thf(1303,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ~ ( ~ ( ( nil != SV85 ) )
                | ~ ( totalorderedP @ SV85 ) ) )
        = $false )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1248]) ).

thf(1304,plain,
    ! [SV85: $i,SV8: $i] :
      ( ( ( ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $false )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1248]) ).

thf(1305,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ~ ( ~ ( ( nil != SV85 ) )
                | ~ ( totalorderedP @ SV85 ) ) )
        = $true )
      | ( ( ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1249]) ).

thf(1306,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( SV9 != SV86 )
        = $true )
      | ( ( lt @ SV9 @ SV86 )
        = $false )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1250]) ).

thf(1307,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( leq @ SV9 @ SV86 )
        = $true )
      | ( ( lt @ SV9 @ SV86 )
        = $false )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1251]) ).

thf(1308,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( SV9 != SV86 )
        = $false )
      | ( ( ~ ( leq @ SV9 @ SV86 ) )
        = $true )
      | ( ( lt @ SV9 @ SV86 )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1252]) ).

thf(1309,plain,
    ! [SV130: $i,SV87: $i,SV10: $i] :
      ( ( ( lt @ SV10 @ SV87 )
        = $false )
      | ( ( ~ ( lt @ SV87 @ SV130 ) )
        = $true )
      | ( ( lt @ SV10 @ SV130 )
        = $true )
      | ( ( ssItem @ SV130 )
        = $false )
      | ( ( ssItem @ SV87 )
        = $false )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1253]) ).

thf(1310,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( nil = SV88 )
        = $true )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $false )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1255]) ).

thf(1311,plain,
    ! [SV88: $i,SV11: $i] :
      ( ( ( nil = SV11 )
        = $true )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $false )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1256]) ).

thf(1312,plain,
    ! [SV11: $i,SV88: $i] :
      ( ( ( nil = SV88 )
        = $false )
      | ( ( nil != SV11 )
        = $true )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1257]) ).

thf(1313,plain,
    ! [SV13: $i,SV145: $i,SV154: $i] :
      ( ( ( ssItem @ SV154 )
        = $false )
      | ( ( ! [SY448: $i] :
              ( ~ ( ssList @ SY448 )
              | ! [SY449: $i] :
                  ( ~ ( ssList @ SY449 )
                  | ! [SY450: $i] :
                      ( ~ ( ssList @ SY450 )
                      | ( ( app @ ( app @ SY448 @ ( cons @ SV145 @ SY449 ) ) @ ( cons @ SV154 @ SY450 ) )
                       != SV13 )
                      | ( SV145 != SV154 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1258]) ).

thf(1314,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssList @ ( sK24_SY434 @ SV13 ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1260]) ).

thf(1315,plain,
    ! [SV13: $i] :
      ( ( ( ! [SY464: $i] :
              ( ~ ( ssList @ SY464 )
              | ! [SY465: $i] :
                  ( ~ ( ssList @ SY465 )
                  | ( ( app @ ( app @ ( sK24_SY434 @ SV13 ) @ ( cons @ ( sK10_SY226 @ SV13 ) @ SY464 ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ SY465 ) )
                   != SV13 )
                  | ( ( sK10_SY226 @ SV13 )
                   != ( sK17_SY396 @ SV13 ) ) ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1260]) ).

thf(1316,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK25_SY359 @ SV15 @ SV90 ) )
              | ( ( app @ ( sK25_SY359 @ SV15 @ SV90 ) @ SV90 )
               != SV15 ) ) )
        = $true )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1261]) ).

thf(1317,plain,
    ! [SV15: $i,SV90: $i,SV160: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV160 )
              | ( ( app @ SV160 @ SV90 )
               != SV15 ) ) )
        = $false )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1262]) ).

thf(1318,plain,
    ! [SV17: $i,SV146: $i,SV155: $i] :
      ( ( ( ssItem @ SV155 )
        = $false )
      | ( ( ! [SY451: $i] :
              ( ~ ( ssList @ SY451 )
              | ! [SY452: $i] :
                  ( ~ ( ssList @ SY452 )
                  | ( ( app @ SY451 @ ( cons @ SV146 @ ( cons @ SV155 @ SY452 ) ) )
                   != SV17 )
                  | ( SV146 = SV155 ) ) ) )
        = $true )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1263]) ).

thf(1319,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssList @ ( sK26_SY437 @ SV17 ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1265]) ).

thf(1320,plain,
    ! [SV17: $i] :
      ( ( ( ! [SY466: $i] :
              ( ~ ( ssList @ SY466 )
              | ( ( app @ ( sK26_SY437 @ SV17 ) @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ ( sK18_SY403 @ SV17 ) @ SY466 ) ) )
               != SV17 )
              | ( ( sK11_SY240 @ SV17 )
                = ( sK18_SY403 @ SV17 ) ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1265]) ).

thf(1321,plain,
    ! [SV18: $i,SV147: $i,SV156: $i] :
      ( ( ( ssItem @ SV156 )
        = $false )
      | ( ( ! [SY453: $i] :
              ( ~ ( ssList @ SY453 )
              | ! [SY454: $i] :
                  ( ~ ( ssList @ SY454 )
                  | ! [SY455: $i] :
                      ( ~ ( ssList @ SY455 )
                      | ( ( app @ ( app @ SY453 @ ( cons @ SV147 @ SY454 ) ) @ ( cons @ SV156 @ SY455 ) )
                       != SV18 )
                      | ( leq @ SV147 @ SV156 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1266]) ).

thf(1322,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssList @ ( sK27_SY439 @ SV18 ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1268]) ).

thf(1323,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY467: $i] :
              ( ~ ( ssList @ SY467 )
              | ! [SY468: $i] :
                  ( ~ ( ssList @ SY468 )
                  | ( ( app @ ( app @ ( sK27_SY439 @ SV18 ) @ ( cons @ ( sK12_SY249 @ SV18 ) @ SY467 ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ SY468 ) )
                   != SV18 )
                  | ( leq @ ( sK12_SY249 @ SV18 ) @ ( sK19_SY410 @ SV18 ) ) ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1268]) ).

thf(1324,plain,
    ! [SV20: $i,SV148: $i,SV157: $i] :
      ( ( ( ssItem @ SV157 )
        = $false )
      | ( ( ! [SY456: $i] :
              ( ~ ( ssList @ SY456 )
              | ! [SY457: $i] :
                  ( ~ ( ssList @ SY457 )
                  | ! [SY458: $i] :
                      ( ~ ( ssList @ SY458 )
                      | ( ( app @ ( app @ SY456 @ ( cons @ SV148 @ SY457 ) ) @ ( cons @ SV157 @ SY458 ) )
                       != SV20 )
                      | ( leq @ SV148 @ SV157 )
                      | ( leq @ SV157 @ SV148 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1269]) ).

thf(1325,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssList @ ( sK28_SY442 @ SV20 ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1271]) ).

thf(1326,plain,
    ! [SV20: $i] :
      ( ( ( ! [SY469: $i] :
              ( ~ ( ssList @ SY469 )
              | ! [SY470: $i] :
                  ( ~ ( ssList @ SY470 )
                  | ( ( app @ ( app @ ( sK28_SY442 @ SV20 ) @ ( cons @ ( sK13_SY260 @ SV20 ) @ SY469 ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ SY470 ) )
                   != SV20 )
                  | ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
                  | ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) ) ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1271]) ).

thf(1327,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK29_SY361 @ SV24 @ SV94 ) )
              | ~ ~ ! [SY471: $i] :
                      ~ ~ ( ~ ( ssList @ SY471 )
                          | ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ SY471 ) )
                           != SV24 ) ) ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1272]) ).

thf(1328,plain,
    ! [SV24: $i,SV94: $i,SV161: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV161 )
              | ~ ~ ! [SY472: $i] :
                      ~ ~ ( ~ ( ssList @ SY472 )
                          | ( ( app @ SV161 @ ( cons @ SV94 @ SY472 ) )
                           != SV24 ) ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1273]) ).

thf(1329,plain,
    ! [SV151: $i,SV131: $i,SV95: $i,SV26: $i] :
      ( ( ( segmentP @ SV26 @ SV95 )
        = $false )
      | ( ( segmentP @ ( app @ ( app @ SV131 @ SV26 ) @ SV151 ) @ SV95 )
        = $true )
      | ( ( ssList @ SV151 )
        = $false )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( ssList @ SV95 )
        = $false )
      | ( ( ssList @ SV26 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1274]) ).

thf(1330,plain,
    ! [SV96: $i,SV152: $i,SV27: $i,SV132: $i] :
      ( ( ( ( cons @ SV132 @ SV27 )
          = ( cons @ SV152 @ SV96 ) )
        = $false )
      | ( ( ~ ( ( SV132 != SV152 )
              | ( SV96 != SV27 ) ) )
        = $true )
      | ( ( ssItem @ SV152 )
        = $false )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1275]) ).

thf(1331,plain,
    ! [SV133: $i,SV97: $i,SV29: $i] :
      ( ( ( frontsegP @ SV29 @ SV97 )
        = $false )
      | ( ( ~ ( frontsegP @ SV97 @ SV133 ) )
        = $true )
      | ( ( frontsegP @ SV29 @ SV133 )
        = $true )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( ssList @ SV97 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1276]) ).

thf(1332,plain,
    ! [SV32: $i,SV134: $i,SV100: $i] :
      ( ( ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
        = $false )
      | ( ( ( SV32 = SV100 )
          | ( memberP @ SV134 @ SV32 ) )
        = $true )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1277]) ).

thf(1333,plain,
    ! [SV134: $i,SV100: $i,SV32: $i] :
      ( ( ( ( SV32 = SV100 )
          | ( memberP @ SV134 @ SV32 ) )
        = $false )
      | ( ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
        = $true )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1278]) ).

thf(1334,plain,
    ! [SV34: $i] :
      ( ( ( ssItem @ ( sK16_SY283 @ SV34 ) )
        = $true )
      | ( ( singletonP @ SV34 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1279]) ).

thf(1335,plain,
    ! [SV34: $i] :
      ( ( ( ( cons @ ( sK16_SY283 @ SV34 ) @ nil )
          = SV34 )
        = $true )
      | ( ( singletonP @ SV34 )
        = $false )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1280]) ).

thf(1336,plain,
    ! [SV34: $i,SV153: $i] :
      ( ( ( ssItem @ SV153 )
        = $false )
      | ( ( ( cons @ SV153 @ nil )
         != SV34 )
        = $true )
      | ( ( singletonP @ SV34 )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1281]) ).

thf(1337,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK30_SY372 @ SV47 @ SV105 ) )
              | ( ( app @ SV105 @ ( sK30_SY372 @ SV47 @ SV105 ) )
               != SV47 ) ) )
        = $true )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1282]) ).

thf(1338,plain,
    ! [SV47: $i,SV105: $i,SV162: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV162 )
              | ( ( app @ SV105 @ SV162 )
               != SV47 ) ) )
        = $false )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1283]) ).

thf(1339,plain,
    ! [SV136: $i,SV107: $i,SV51: $i] :
      ( ( ( geq @ SV51 @ SV107 )
        = $false )
      | ( ( ~ ( geq @ SV107 @ SV136 ) )
        = $true )
      | ( ( geq @ SV51 @ SV136 )
        = $true )
      | ( ( ssItem @ SV136 )
        = $false )
      | ( ( ssItem @ SV107 )
        = $false )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1284]) ).

thf(1340,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( ssItem @ ( sK22_SY388 @ SV52 ) )
          | ( ( cons @ ( sK22_SY388 @ SV52 ) @ ( sK6_SY296 @ SV52 ) )
           != SV52 ) )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1285]) ).

thf(1341,plain,
    ! [SV56: $i,SV137: $i,SV110: $i] :
      ( ( ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
        = $false )
      | ( ( ( memberP @ SV110 @ SV56 )
          | ( memberP @ SV137 @ SV56 ) )
        = $true )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1286]) ).

thf(1342,plain,
    ! [SV137: $i,SV56: $i,SV110: $i] :
      ( ( ( ( memberP @ SV110 @ SV56 )
          | ( memberP @ SV137 @ SV56 ) )
        = $false )
      | ( ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
        = $true )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1287]) ).

thf(1343,plain,
    ! [SV138: $i,SV111: $i,SV57: $i] :
      ( ( ( leq @ SV57 @ SV111 )
        = $false )
      | ( ( ~ ( lt @ SV111 @ SV138 ) )
        = $true )
      | ( ( lt @ SV57 @ SV138 )
        = $true )
      | ( ( ssItem @ SV138 )
        = $false )
      | ( ( ssItem @ SV111 )
        = $false )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1288]) ).

thf(1344,plain,
    ! [SV139: $i,SV112: $i,SV58: $i] :
      ( ( ( gt @ SV58 @ SV112 )
        = $false )
      | ( ( ~ ( gt @ SV112 @ SV139 ) )
        = $true )
      | ( ( gt @ SV58 @ SV139 )
        = $true )
      | ( ( ssItem @ SV139 )
        = $false )
      | ( ( ssItem @ SV112 )
        = $false )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1289]) ).

thf(1345,plain,
    ! [SV140: $i,SV115: $i,SV62: $i] :
      ( ( ( segmentP @ SV62 @ SV115 )
        = $false )
      | ( ( ~ ( segmentP @ SV115 @ SV140 ) )
        = $true )
      | ( ( segmentP @ SV62 @ SV140 )
        = $true )
      | ( ( ssList @ SV140 )
        = $false )
      | ( ( ssList @ SV115 )
        = $false )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1290]) ).

thf(1346,plain,
    ! [SV66: $i,SV149: $i,SV158: $i] :
      ( ( ( ssItem @ SV158 )
        = $false )
      | ( ( ! [SY459: $i] :
              ( ~ ( ssList @ SY459 )
              | ! [SY460: $i] :
                  ( ~ ( ssList @ SY460 )
                  | ! [SY461: $i] :
                      ( ~ ( ssList @ SY461 )
                      | ( ( app @ ( app @ SY459 @ ( cons @ SV149 @ SY460 ) ) @ ( cons @ SV158 @ SY461 ) )
                       != SV66 )
                      | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                            | ~ ( leq @ SV158 @ SV149 ) ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1291]) ).

thf(1347,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssList @ ( sK31_SY445 @ SV66 ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1293]) ).

thf(1348,plain,
    ! [SV66: $i] :
      ( ( ( ! [SY473: $i] :
              ( ~ ( ssList @ SY473 )
              | ! [SY474: $i] :
                  ( ~ ( ssList @ SY474 )
                  | ( ( app @ ( app @ ( sK31_SY445 @ SV66 ) @ ( cons @ ( sK14_SY319 @ SV66 ) @ SY473 ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ SY474 ) )
                   != SV66 )
                  | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
                        | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1293]) ).

thf(1349,plain,
    ! [SV143: $i,SV121: $i,SV75: $i] :
      ( ( ( rearsegP @ SV75 @ SV121 )
        = $false )
      | ( ( ~ ( rearsegP @ SV121 @ SV143 ) )
        = $true )
      | ( ( rearsegP @ SV75 @ SV143 )
        = $true )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1294]) ).

thf(1350,plain,
    ! [SV144: $i,SV125: $i,SV79: $i] :
      ( ( ( leq @ SV79 @ SV125 )
        = $false )
      | ( ( ~ ( leq @ SV125 @ SV144 ) )
        = $true )
      | ( ( leq @ SV79 @ SV144 )
        = $true )
      | ( ( ssItem @ SV144 )
        = $false )
      | ( ( ssItem @ SV125 )
        = $false )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1295]) ).

thf(1351,plain,
    ! [SV150: $i,SV81: $i,SV127: $i,SV3: $i] :
      ( ( ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
          | ~ ( ( SV3 != SV81 )
              | ~ ( frontsegP @ SV127 @ SV150 ) ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1296]) ).

thf(1352,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( ~ ~ ( ( SV3 != SV81 )
                | ~ ( frontsegP @ SV127 @ SV150 ) )
          | ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1297]) ).

thf(1353,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ( ssList @ ( sK23_SY346 @ SV4 @ SV82 ) )
          | ~ ~ ! [SY462: $i] :
                  ~ ~ ( ~ ( ssList @ SY462 )
                      | ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ SY462 )
                       != SV4 ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1298]) ).

thf(1354,plain,
    ! [SV4: $i,SV82: $i,SV159: $i] :
      ( ( ( ~ ( ssList @ SV159 )
          | ~ ~ ! [SY463: $i] :
                  ~ ~ ( ~ ( ssList @ SY463 )
                      | ( ( app @ ( app @ SV159 @ SV82 ) @ SY463 )
                       != SV4 ) ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1299]) ).

thf(1355,plain,
    ! [SV163: $i] :
      ( ( ~ ( ~ ( ssItem @ SV163 )
            | ~ ~ ! [SY475: $i] :
                    ~ ~ ( ~ ~ ( ~ ( ssList @ SY475 )
                              | ( ( app @ ( cons @ SV163 @ nil ) @ SY475 )
                               != sK15_SY383 ) )
                        | ~ ~ ! [SY476: $i] :
                                ~ ~ ( ~ ( ssItem @ SY476 )
                                    | ~ ~ ! [SY477: $i] :
                                            ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                                      | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                                       != sK4_SY335 ) )
                                                | ~ ( leq @ SY476 @ SV163 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[1302]) ).

thf(1356,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ~ ( ( nil != SV85 ) )
              | ~ ( totalorderedP @ SV85 ) ) )
        = $true )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1303]) ).

thf(1357,plain,
    ! [SV85: $i,SV8: $i] :
      ( ( ( leq @ SV8 @ ( hd @ SV85 ) )
        = $true )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1304]) ).

thf(1358,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ~ ( ( nil != SV85 ) )
              | ~ ( totalorderedP @ SV85 ) ) )
        = $false )
      | ( ( ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1305]) ).

thf(1359,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( SV9 = SV86 )
        = $false )
      | ( ( lt @ SV9 @ SV86 )
        = $false )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1306]) ).

thf(1360,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( SV9 = SV86 )
        = $true )
      | ( ( ~ ( leq @ SV9 @ SV86 ) )
        = $true )
      | ( ( lt @ SV9 @ SV86 )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1308]) ).

thf(1361,plain,
    ! [SV10: $i,SV130: $i,SV87: $i] :
      ( ( ( lt @ SV87 @ SV130 )
        = $false )
      | ( ( lt @ SV10 @ SV87 )
        = $false )
      | ( ( lt @ SV10 @ SV130 )
        = $true )
      | ( ( ssItem @ SV130 )
        = $false )
      | ( ( ssItem @ SV87 )
        = $false )
      | ( ( ssItem @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1309]) ).

thf(1362,plain,
    ! [SV88: $i,SV11: $i] :
      ( ( ( nil = SV11 )
        = $false )
      | ( ( nil = SV88 )
        = $false )
      | ( ( nil
          = ( app @ SV11 @ SV88 ) )
        = $true )
      | ( ( ssList @ SV88 )
        = $false )
      | ( ( ssList @ SV11 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1312]) ).

thf(1363,plain,
    ! [SV13: $i,SV154: $i,SV145: $i,SV164: $i] :
      ( ( ( ~ ( ssList @ SV164 )
          | ! [SY478: $i] :
              ( ~ ( ssList @ SY478 )
              | ! [SY479: $i] :
                  ( ~ ( ssList @ SY479 )
                  | ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SY478 ) ) @ ( cons @ SV154 @ SY479 ) )
                   != SV13 )
                  | ( SV145 != SV154 ) ) ) )
        = $true )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1313]) ).

thf(1364,plain,
    ! [SV13: $i] :
      ( ( ( ssList @ ( sK24_SY434 @ SV13 ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1314]) ).

thf(1365,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssList @ ( sK32_SY464 @ SV13 ) )
          | ! [SY480: $i] :
              ( ~ ( ssList @ SY480 )
              | ( ( app @ ( app @ ( sK24_SY434 @ SV13 ) @ ( cons @ ( sK10_SY226 @ SV13 ) @ ( sK32_SY464 @ SV13 ) ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ SY480 ) )
               != SV13 )
              | ( ( sK10_SY226 @ SV13 )
               != ( sK17_SY396 @ SV13 ) ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1315]) ).

thf(1366,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ~ ( ssList @ ( sK25_SY359 @ SV15 @ SV90 ) )
          | ( ( app @ ( sK25_SY359 @ SV15 @ SV90 ) @ SV90 )
           != SV15 ) )
        = $false )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1316]) ).

thf(1367,plain,
    ! [SV15: $i,SV90: $i,SV160: $i] :
      ( ( ( ~ ( ssList @ SV160 )
          | ( ( app @ SV160 @ SV90 )
           != SV15 ) )
        = $true )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1317]) ).

thf(1368,plain,
    ! [SV17: $i,SV155: $i,SV146: $i,SV165: $i] :
      ( ( ( ~ ( ssList @ SV165 )
          | ! [SY481: $i] :
              ( ~ ( ssList @ SY481 )
              | ( ( app @ SV165 @ ( cons @ SV146 @ ( cons @ SV155 @ SY481 ) ) )
               != SV17 )
              | ( SV146 = SV155 ) ) )
        = $true )
      | ( ( ssItem @ SV155 )
        = $false )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1318]) ).

thf(1369,plain,
    ! [SV17: $i] :
      ( ( ( ssList @ ( sK26_SY437 @ SV17 ) )
        = $true )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1319]) ).

thf(1370,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssList @ ( sK33_SY466 @ SV17 ) )
          | ( ( app @ ( sK26_SY437 @ SV17 ) @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ ( sK18_SY403 @ SV17 ) @ ( sK33_SY466 @ SV17 ) ) ) )
           != SV17 )
          | ( ( sK11_SY240 @ SV17 )
            = ( sK18_SY403 @ SV17 ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1320]) ).

thf(1371,plain,
    ! [SV18: $i,SV156: $i,SV147: $i,SV166: $i] :
      ( ( ( ~ ( ssList @ SV166 )
          | ! [SY482: $i] :
              ( ~ ( ssList @ SY482 )
              | ! [SY483: $i] :
                  ( ~ ( ssList @ SY483 )
                  | ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SY482 ) ) @ ( cons @ SV156 @ SY483 ) )
                   != SV18 )
                  | ( leq @ SV147 @ SV156 ) ) ) )
        = $true )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1321]) ).

thf(1372,plain,
    ! [SV18: $i] :
      ( ( ( ssList @ ( sK27_SY439 @ SV18 ) )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1322]) ).

thf(1373,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssList @ ( sK34_SY467 @ SV18 ) )
          | ! [SY484: $i] :
              ( ~ ( ssList @ SY484 )
              | ( ( app @ ( app @ ( sK27_SY439 @ SV18 ) @ ( cons @ ( sK12_SY249 @ SV18 ) @ ( sK34_SY467 @ SV18 ) ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ SY484 ) )
               != SV18 )
              | ( leq @ ( sK12_SY249 @ SV18 ) @ ( sK19_SY410 @ SV18 ) ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1323]) ).

thf(1374,plain,
    ! [SV20: $i,SV157: $i,SV148: $i,SV167: $i] :
      ( ( ( ~ ( ssList @ SV167 )
          | ! [SY485: $i] :
              ( ~ ( ssList @ SY485 )
              | ! [SY486: $i] :
                  ( ~ ( ssList @ SY486 )
                  | ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SY485 ) ) @ ( cons @ SV157 @ SY486 ) )
                   != SV20 )
                  | ( leq @ SV148 @ SV157 )
                  | ( leq @ SV157 @ SV148 ) ) ) )
        = $true )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1324]) ).

thf(1375,plain,
    ! [SV20: $i] :
      ( ( ( ssList @ ( sK28_SY442 @ SV20 ) )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1325]) ).

thf(1376,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssList @ ( sK35_SY469 @ SV20 ) )
          | ! [SY487: $i] :
              ( ~ ( ssList @ SY487 )
              | ( ( app @ ( app @ ( sK28_SY442 @ SV20 ) @ ( cons @ ( sK13_SY260 @ SV20 ) @ ( sK35_SY469 @ SV20 ) ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ SY487 ) )
               != SV20 )
              | ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
              | ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1326]) ).

thf(1377,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ( ssList @ ( sK29_SY361 @ SV24 @ SV94 ) )
          | ~ ~ ! [SY471: $i] :
                  ~ ~ ( ~ ( ssList @ SY471 )
                      | ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ SY471 ) )
                       != SV24 ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1327]) ).

thf(1378,plain,
    ! [SV24: $i,SV94: $i,SV161: $i] :
      ( ( ( ~ ( ssList @ SV161 )
          | ~ ~ ! [SY472: $i] :
                  ~ ~ ( ~ ( ssList @ SY472 )
                      | ( ( app @ SV161 @ ( cons @ SV94 @ SY472 ) )
                       != SV24 ) ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1328]) ).

thf(1379,plain,
    ! [SV27: $i,SV96: $i,SV152: $i,SV132: $i] :
      ( ( ( ( SV132 != SV152 )
          | ( SV96 != SV27 ) )
        = $false )
      | ( ( ( cons @ SV132 @ SV27 )
          = ( cons @ SV152 @ SV96 ) )
        = $false )
      | ( ( ssItem @ SV152 )
        = $false )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1330]) ).

thf(1380,plain,
    ! [SV29: $i,SV133: $i,SV97: $i] :
      ( ( ( frontsegP @ SV97 @ SV133 )
        = $false )
      | ( ( frontsegP @ SV29 @ SV97 )
        = $false )
      | ( ( frontsegP @ SV29 @ SV133 )
        = $true )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( ssList @ SV97 )
        = $false )
      | ( ( ssList @ SV29 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1331]) ).

thf(1381,plain,
    ! [SV134: $i,SV100: $i,SV32: $i] :
      ( ( ( SV32 = SV100 )
        = $true )
      | ( ( memberP @ SV134 @ SV32 )
        = $true )
      | ( ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
        = $false )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1332]) ).

thf(1382,plain,
    ! [SV134: $i,SV100: $i,SV32: $i] :
      ( ( ( SV32 = SV100 )
        = $false )
      | ( ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
        = $true )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1333]) ).

thf(1383,plain,
    ! [SV100: $i,SV32: $i,SV134: $i] :
      ( ( ( memberP @ SV134 @ SV32 )
        = $false )
      | ( ( memberP @ ( cons @ SV100 @ SV134 ) @ SV32 )
        = $true )
      | ( ( ssList @ SV134 )
        = $false )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( ssItem @ SV32 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1333]) ).

thf(1384,plain,
    ! [SV34: $i,SV153: $i] :
      ( ( ( ( cons @ SV153 @ nil )
          = SV34 )
        = $false )
      | ( ( ssItem @ SV153 )
        = $false )
      | ( ( singletonP @ SV34 )
        = $true )
      | ( ( ssList @ SV34 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1336]) ).

thf(1385,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( ~ ( ssList @ ( sK30_SY372 @ SV47 @ SV105 ) )
          | ( ( app @ SV105 @ ( sK30_SY372 @ SV47 @ SV105 ) )
           != SV47 ) )
        = $false )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1337]) ).

thf(1386,plain,
    ! [SV47: $i,SV105: $i,SV162: $i] :
      ( ( ( ~ ( ssList @ SV162 )
          | ( ( app @ SV105 @ SV162 )
           != SV47 ) )
        = $true )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1338]) ).

thf(1387,plain,
    ! [SV51: $i,SV136: $i,SV107: $i] :
      ( ( ( geq @ SV107 @ SV136 )
        = $false )
      | ( ( geq @ SV51 @ SV107 )
        = $false )
      | ( ( geq @ SV51 @ SV136 )
        = $true )
      | ( ( ssItem @ SV136 )
        = $false )
      | ( ( ssItem @ SV107 )
        = $false )
      | ( ( ssItem @ SV51 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1339]) ).

thf(1388,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( ssItem @ ( sK22_SY388 @ SV52 ) ) )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1340]) ).

thf(1389,plain,
    ! [SV52: $i] :
      ( ( ( ( cons @ ( sK22_SY388 @ SV52 ) @ ( sK6_SY296 @ SV52 ) )
         != SV52 )
        = $false )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1340]) ).

thf(1390,plain,
    ! [SV137: $i,SV56: $i,SV110: $i] :
      ( ( ( memberP @ SV110 @ SV56 )
        = $true )
      | ( ( memberP @ SV137 @ SV56 )
        = $true )
      | ( ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
        = $false )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1341]) ).

thf(1391,plain,
    ! [SV137: $i,SV56: $i,SV110: $i] :
      ( ( ( memberP @ SV110 @ SV56 )
        = $false )
      | ( ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
        = $true )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1342]) ).

thf(1392,plain,
    ! [SV110: $i,SV56: $i,SV137: $i] :
      ( ( ( memberP @ SV137 @ SV56 )
        = $false )
      | ( ( memberP @ ( app @ SV110 @ SV137 ) @ SV56 )
        = $true )
      | ( ( ssList @ SV137 )
        = $false )
      | ( ( ssList @ SV110 )
        = $false )
      | ( ( ssItem @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1342]) ).

thf(1393,plain,
    ! [SV57: $i,SV138: $i,SV111: $i] :
      ( ( ( lt @ SV111 @ SV138 )
        = $false )
      | ( ( leq @ SV57 @ SV111 )
        = $false )
      | ( ( lt @ SV57 @ SV138 )
        = $true )
      | ( ( ssItem @ SV138 )
        = $false )
      | ( ( ssItem @ SV111 )
        = $false )
      | ( ( ssItem @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1343]) ).

thf(1394,plain,
    ! [SV58: $i,SV139: $i,SV112: $i] :
      ( ( ( gt @ SV112 @ SV139 )
        = $false )
      | ( ( gt @ SV58 @ SV112 )
        = $false )
      | ( ( gt @ SV58 @ SV139 )
        = $true )
      | ( ( ssItem @ SV139 )
        = $false )
      | ( ( ssItem @ SV112 )
        = $false )
      | ( ( ssItem @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1344]) ).

thf(1395,plain,
    ! [SV62: $i,SV140: $i,SV115: $i] :
      ( ( ( segmentP @ SV115 @ SV140 )
        = $false )
      | ( ( segmentP @ SV62 @ SV115 )
        = $false )
      | ( ( segmentP @ SV62 @ SV140 )
        = $true )
      | ( ( ssList @ SV140 )
        = $false )
      | ( ( ssList @ SV115 )
        = $false )
      | ( ( ssList @ SV62 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1345]) ).

thf(1396,plain,
    ! [SV66: $i,SV158: $i,SV149: $i,SV168: $i] :
      ( ( ( ~ ( ssList @ SV168 )
          | ! [SY488: $i] :
              ( ~ ( ssList @ SY488 )
              | ! [SY489: $i] :
                  ( ~ ( ssList @ SY489 )
                  | ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SY488 ) ) @ ( cons @ SV158 @ SY489 ) )
                   != SV66 )
                  | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                        | ~ ( leq @ SV158 @ SV149 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1346]) ).

thf(1397,plain,
    ! [SV66: $i] :
      ( ( ( ssList @ ( sK31_SY445 @ SV66 ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1347]) ).

thf(1398,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssList @ ( sK36_SY473 @ SV66 ) )
          | ! [SY490: $i] :
              ( ~ ( ssList @ SY490 )
              | ( ( app @ ( app @ ( sK31_SY445 @ SV66 ) @ ( cons @ ( sK14_SY319 @ SV66 ) @ ( sK36_SY473 @ SV66 ) ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ SY490 ) )
               != SV66 )
              | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
                    | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1348]) ).

thf(1399,plain,
    ! [SV75: $i,SV143: $i,SV121: $i] :
      ( ( ( rearsegP @ SV121 @ SV143 )
        = $false )
      | ( ( rearsegP @ SV75 @ SV121 )
        = $false )
      | ( ( rearsegP @ SV75 @ SV143 )
        = $true )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( ssList @ SV75 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1349]) ).

thf(1400,plain,
    ! [SV79: $i,SV144: $i,SV125: $i] :
      ( ( ( leq @ SV125 @ SV144 )
        = $false )
      | ( ( leq @ SV79 @ SV125 )
        = $false )
      | ( ( leq @ SV79 @ SV144 )
        = $true )
      | ( ( ssItem @ SV144 )
        = $false )
      | ( ( ssItem @ SV125 )
        = $false )
      | ( ( ssItem @ SV79 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1350]) ).

thf(1401,plain,
    ! [SV150: $i,SV81: $i,SV127: $i,SV3: $i] :
      ( ( ( ~ ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) ) )
        = $true )
      | ( ( ~ ( ( SV3 != SV81 )
              | ~ ( frontsegP @ SV127 @ SV150 ) ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1351]) ).

thf(1402,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( ~ ~ ( ( SV3 != SV81 )
                | ~ ( frontsegP @ SV127 @ SV150 ) ) )
        = $true )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1352]) ).

thf(1403,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ( ssList @ ( sK23_SY346 @ SV4 @ SV82 ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1353]) ).

thf(1404,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ~ ! [SY462: $i] :
                  ~ ~ ( ~ ( ssList @ SY462 )
                      | ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ SY462 )
                       != SV4 ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1353]) ).

thf(1405,plain,
    ! [SV4: $i,SV82: $i,SV159: $i] :
      ( ( ( ~ ( ssList @ SV159 ) )
        = $true )
      | ( ( ~ ~ ! [SY463: $i] :
                  ~ ~ ( ~ ( ssList @ SY463 )
                      | ( ( app @ ( app @ SV159 @ SV82 ) @ SY463 )
                       != SV4 ) ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1354]) ).

thf(1406,plain,
    ! [SV163: $i] :
      ( ( ~ ( ssItem @ SV163 )
        | ~ ~ ! [SY475: $i] :
                ~ ~ ( ~ ~ ( ~ ( ssList @ SY475 )
                          | ( ( app @ ( cons @ SV163 @ nil ) @ SY475 )
                           != sK15_SY383 ) )
                    | ~ ~ ! [SY476: $i] :
                            ~ ~ ( ~ ( ssItem @ SY476 )
                                | ~ ~ ! [SY477: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                                  | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                                   != sK4_SY335 ) )
                                            | ~ ( leq @ SY476 @ SV163 ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[1355]) ).

thf(1407,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ( nil != SV85 ) )
          | ~ ( totalorderedP @ SV85 ) )
        = $false )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1356]) ).

thf(1408,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ( nil != SV85 ) )
          | ~ ( totalorderedP @ SV85 ) )
        = $true )
      | ( ( ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1358]) ).

thf(1409,plain,
    ! [SV86: $i,SV9: $i] :
      ( ( ( leq @ SV9 @ SV86 )
        = $false )
      | ( ( SV9 = SV86 )
        = $true )
      | ( ( lt @ SV9 @ SV86 )
        = $true )
      | ( ( ssItem @ SV86 )
        = $false )
      | ( ( ssItem @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1360]) ).

thf(1410,plain,
    ! [SV13: $i,SV154: $i,SV145: $i,SV164: $i] :
      ( ( ( ~ ( ssList @ SV164 ) )
        = $true )
      | ( ( ! [SY478: $i] :
              ( ~ ( ssList @ SY478 )
              | ! [SY479: $i] :
                  ( ~ ( ssList @ SY479 )
                  | ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SY478 ) ) @ ( cons @ SV154 @ SY479 ) )
                   != SV13 )
                  | ( SV145 != SV154 ) ) ) )
        = $true )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1363]) ).

thf(1411,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssList @ ( sK32_SY464 @ SV13 ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1365]) ).

thf(1412,plain,
    ! [SV13: $i] :
      ( ( ( ! [SY480: $i] :
              ( ~ ( ssList @ SY480 )
              | ( ( app @ ( app @ ( sK24_SY434 @ SV13 ) @ ( cons @ ( sK10_SY226 @ SV13 ) @ ( sK32_SY464 @ SV13 ) ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ SY480 ) )
               != SV13 )
              | ( ( sK10_SY226 @ SV13 )
               != ( sK17_SY396 @ SV13 ) ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1365]) ).

thf(1413,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ~ ( ssList @ ( sK25_SY359 @ SV15 @ SV90 ) ) )
        = $false )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1366]) ).

thf(1414,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ( app @ ( sK25_SY359 @ SV15 @ SV90 ) @ SV90 )
         != SV15 )
        = $false )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1366]) ).

thf(1415,plain,
    ! [SV15: $i,SV90: $i,SV160: $i] :
      ( ( ( ~ ( ssList @ SV160 ) )
        = $true )
      | ( ( ( app @ SV160 @ SV90 )
         != SV15 )
        = $true )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1367]) ).

thf(1416,plain,
    ! [SV17: $i,SV155: $i,SV146: $i,SV165: $i] :
      ( ( ( ~ ( ssList @ SV165 ) )
        = $true )
      | ( ( ! [SY481: $i] :
              ( ~ ( ssList @ SY481 )
              | ( ( app @ SV165 @ ( cons @ SV146 @ ( cons @ SV155 @ SY481 ) ) )
               != SV17 )
              | ( SV146 = SV155 ) ) )
        = $true )
      | ( ( ssItem @ SV155 )
        = $false )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1368]) ).

thf(1417,plain,
    ! [SV17: $i] :
      ( ( ( ~ ( ssList @ ( sK33_SY466 @ SV17 ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1370]) ).

thf(1418,plain,
    ! [SV17: $i] :
      ( ( ( ( ( app @ ( sK26_SY437 @ SV17 ) @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ ( sK18_SY403 @ SV17 ) @ ( sK33_SY466 @ SV17 ) ) ) )
           != SV17 )
          | ( ( sK11_SY240 @ SV17 )
            = ( sK18_SY403 @ SV17 ) ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1370]) ).

thf(1419,plain,
    ! [SV18: $i,SV156: $i,SV147: $i,SV166: $i] :
      ( ( ( ~ ( ssList @ SV166 ) )
        = $true )
      | ( ( ! [SY482: $i] :
              ( ~ ( ssList @ SY482 )
              | ! [SY483: $i] :
                  ( ~ ( ssList @ SY483 )
                  | ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SY482 ) ) @ ( cons @ SV156 @ SY483 ) )
                   != SV18 )
                  | ( leq @ SV147 @ SV156 ) ) ) )
        = $true )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1371]) ).

thf(1420,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssList @ ( sK34_SY467 @ SV18 ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1373]) ).

thf(1421,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY484: $i] :
              ( ~ ( ssList @ SY484 )
              | ( ( app @ ( app @ ( sK27_SY439 @ SV18 ) @ ( cons @ ( sK12_SY249 @ SV18 ) @ ( sK34_SY467 @ SV18 ) ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ SY484 ) )
               != SV18 )
              | ( leq @ ( sK12_SY249 @ SV18 ) @ ( sK19_SY410 @ SV18 ) ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1373]) ).

thf(1422,plain,
    ! [SV20: $i,SV157: $i,SV148: $i,SV167: $i] :
      ( ( ( ~ ( ssList @ SV167 ) )
        = $true )
      | ( ( ! [SY485: $i] :
              ( ~ ( ssList @ SY485 )
              | ! [SY486: $i] :
                  ( ~ ( ssList @ SY486 )
                  | ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SY485 ) ) @ ( cons @ SV157 @ SY486 ) )
                   != SV20 )
                  | ( leq @ SV148 @ SV157 )
                  | ( leq @ SV157 @ SV148 ) ) ) )
        = $true )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1374]) ).

thf(1423,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssList @ ( sK35_SY469 @ SV20 ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1376]) ).

thf(1424,plain,
    ! [SV20: $i] :
      ( ( ( ! [SY487: $i] :
              ( ~ ( ssList @ SY487 )
              | ( ( app @ ( app @ ( sK28_SY442 @ SV20 ) @ ( cons @ ( sK13_SY260 @ SV20 ) @ ( sK35_SY469 @ SV20 ) ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ SY487 ) )
               != SV20 )
              | ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
              | ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1376]) ).

thf(1425,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ( ssList @ ( sK29_SY361 @ SV24 @ SV94 ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1377]) ).

thf(1426,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ~ ! [SY471: $i] :
                  ~ ~ ( ~ ( ssList @ SY471 )
                      | ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ SY471 ) )
                       != SV24 ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1377]) ).

thf(1427,plain,
    ! [SV24: $i,SV94: $i,SV161: $i] :
      ( ( ( ~ ( ssList @ SV161 ) )
        = $true )
      | ( ( ~ ~ ! [SY472: $i] :
                  ~ ~ ( ~ ( ssList @ SY472 )
                      | ( ( app @ SV161 @ ( cons @ SV94 @ SY472 ) )
                       != SV24 ) ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1378]) ).

thf(1428,plain,
    ! [SV96: $i,SV27: $i,SV152: $i,SV132: $i] :
      ( ( ( SV132 != SV152 )
        = $false )
      | ( ( ( cons @ SV132 @ SV27 )
          = ( cons @ SV152 @ SV96 ) )
        = $false )
      | ( ( ssItem @ SV152 )
        = $false )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1379]) ).

thf(1429,plain,
    ! [SV152: $i,SV132: $i,SV27: $i,SV96: $i] :
      ( ( ( SV96 != SV27 )
        = $false )
      | ( ( ( cons @ SV132 @ SV27 )
          = ( cons @ SV152 @ SV96 ) )
        = $false )
      | ( ( ssItem @ SV152 )
        = $false )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1379]) ).

thf(1430,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( ~ ( ssList @ ( sK30_SY372 @ SV47 @ SV105 ) ) )
        = $false )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1385]) ).

thf(1431,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ( app @ SV105 @ ( sK30_SY372 @ SV47 @ SV105 ) )
         != SV47 )
        = $false )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1385]) ).

thf(1432,plain,
    ! [SV47: $i,SV105: $i,SV162: $i] :
      ( ( ( ~ ( ssList @ SV162 ) )
        = $true )
      | ( ( ( app @ SV105 @ SV162 )
         != SV47 )
        = $true )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1386]) ).

thf(1433,plain,
    ! [SV52: $i] :
      ( ( ( ssItem @ ( sK22_SY388 @ SV52 ) )
        = $true )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1388]) ).

thf(1434,plain,
    ! [SV52: $i] :
      ( ( ( ( cons @ ( sK22_SY388 @ SV52 ) @ ( sK6_SY296 @ SV52 ) )
          = SV52 )
        = $true )
      | ( ( nil = SV52 )
        = $true )
      | ( ( ssList @ SV52 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1389]) ).

thf(1435,plain,
    ! [SV66: $i,SV158: $i,SV149: $i,SV168: $i] :
      ( ( ( ~ ( ssList @ SV168 ) )
        = $true )
      | ( ( ! [SY488: $i] :
              ( ~ ( ssList @ SY488 )
              | ! [SY489: $i] :
                  ( ~ ( ssList @ SY489 )
                  | ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SY488 ) ) @ ( cons @ SV158 @ SY489 ) )
                   != SV66 )
                  | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                        | ~ ( leq @ SV158 @ SV149 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1396]) ).

thf(1436,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssList @ ( sK36_SY473 @ SV66 ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1398]) ).

thf(1437,plain,
    ! [SV66: $i] :
      ( ( ( ! [SY490: $i] :
              ( ~ ( ssList @ SY490 )
              | ( ( app @ ( app @ ( sK31_SY445 @ SV66 ) @ ( cons @ ( sK14_SY319 @ SV66 ) @ ( sK36_SY473 @ SV66 ) ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ SY490 ) )
               != SV66 )
              | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
                    | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1398]) ).

thf(1438,plain,
    ! [SV150: $i,SV81: $i,SV127: $i,SV3: $i] :
      ( ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $false )
      | ( ( ~ ( ( SV3 != SV81 )
              | ~ ( frontsegP @ SV127 @ SV150 ) ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1401]) ).

thf(1439,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( ~ ( ( SV3 != SV81 )
              | ~ ( frontsegP @ SV127 @ SV150 ) ) )
        = $false )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1402]) ).

thf(1440,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ssList @ ( sK23_SY346 @ SV4 @ SV82 ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1403]) ).

thf(1441,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ~ ! [SY462: $i] :
                ~ ~ ( ~ ( ssList @ SY462 )
                    | ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ SY462 )
                     != SV4 ) ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1404]) ).

thf(1442,plain,
    ! [SV4: $i,SV82: $i,SV159: $i] :
      ( ( ( ssList @ SV159 )
        = $false )
      | ( ( ~ ~ ! [SY463: $i] :
                  ~ ~ ( ~ ( ssList @ SY463 )
                      | ( ( app @ ( app @ SV159 @ SV82 ) @ SY463 )
                       != SV4 ) ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1405]) ).

thf(1443,plain,
    ! [SV163: $i] :
      ( ( ( ~ ( ssItem @ SV163 ) )
        = $true )
      | ( ( ~ ~ ! [SY475: $i] :
                  ~ ~ ( ~ ~ ( ~ ( ssList @ SY475 )
                            | ( ( app @ ( cons @ SV163 @ nil ) @ SY475 )
                             != sK15_SY383 ) )
                      | ~ ~ ! [SY476: $i] :
                              ~ ~ ( ~ ( ssItem @ SY476 )
                                  | ~ ~ ! [SY477: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                                    | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                                     != sK4_SY335 ) )
                                              | ~ ( leq @ SY476 @ SV163 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1406]) ).

thf(1444,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ( nil != SV85 ) ) )
        = $false )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1407]) ).

thf(1445,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( totalorderedP @ SV85 ) )
        = $false )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1407]) ).

thf(1446,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( ~ ( ( nil != SV85 ) ) )
        = $true )
      | ( ( ~ ( totalorderedP @ SV85 ) )
        = $true )
      | ( ( ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1408]) ).

thf(1447,plain,
    ! [SV13: $i,SV154: $i,SV145: $i,SV164: $i] :
      ( ( ( ssList @ SV164 )
        = $false )
      | ( ( ! [SY478: $i] :
              ( ~ ( ssList @ SY478 )
              | ! [SY479: $i] :
                  ( ~ ( ssList @ SY479 )
                  | ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SY478 ) ) @ ( cons @ SV154 @ SY479 ) )
                   != SV13 )
                  | ( SV145 != SV154 ) ) ) )
        = $true )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1410]) ).

thf(1448,plain,
    ! [SV13: $i] :
      ( ( ( ssList @ ( sK32_SY464 @ SV13 ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1411]) ).

thf(1449,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssList @ ( sK37_SY480 @ SV13 ) )
          | ( ( app @ ( app @ ( sK24_SY434 @ SV13 ) @ ( cons @ ( sK10_SY226 @ SV13 ) @ ( sK32_SY464 @ SV13 ) ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ ( sK37_SY480 @ SV13 ) ) )
           != SV13 )
          | ( ( sK10_SY226 @ SV13 )
           != ( sK17_SY396 @ SV13 ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1412]) ).

thf(1450,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ssList @ ( sK25_SY359 @ SV15 @ SV90 ) )
        = $true )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1413]) ).

thf(1451,plain,
    ! [SV90: $i,SV15: $i] :
      ( ( ( ( app @ ( sK25_SY359 @ SV15 @ SV90 ) @ SV90 )
          = SV15 )
        = $true )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $false )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1414]) ).

thf(1452,plain,
    ! [SV15: $i,SV90: $i,SV160: $i] :
      ( ( ( ssList @ SV160 )
        = $false )
      | ( ( ( app @ SV160 @ SV90 )
         != SV15 )
        = $true )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1415]) ).

thf(1453,plain,
    ! [SV17: $i,SV155: $i,SV146: $i,SV165: $i] :
      ( ( ( ssList @ SV165 )
        = $false )
      | ( ( ! [SY481: $i] :
              ( ~ ( ssList @ SY481 )
              | ( ( app @ SV165 @ ( cons @ SV146 @ ( cons @ SV155 @ SY481 ) ) )
               != SV17 )
              | ( SV146 = SV155 ) ) )
        = $true )
      | ( ( ssItem @ SV155 )
        = $false )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1416]) ).

thf(1454,plain,
    ! [SV17: $i] :
      ( ( ( ssList @ ( sK33_SY466 @ SV17 ) )
        = $true )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1417]) ).

thf(1455,plain,
    ! [SV17: $i] :
      ( ( ( ( app @ ( sK26_SY437 @ SV17 ) @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ ( sK18_SY403 @ SV17 ) @ ( sK33_SY466 @ SV17 ) ) ) )
         != SV17 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1418]) ).

thf(1456,plain,
    ! [SV17: $i] :
      ( ( ( ( sK11_SY240 @ SV17 )
          = ( sK18_SY403 @ SV17 ) )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1418]) ).

thf(1457,plain,
    ! [SV18: $i,SV156: $i,SV147: $i,SV166: $i] :
      ( ( ( ssList @ SV166 )
        = $false )
      | ( ( ! [SY482: $i] :
              ( ~ ( ssList @ SY482 )
              | ! [SY483: $i] :
                  ( ~ ( ssList @ SY483 )
                  | ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SY482 ) ) @ ( cons @ SV156 @ SY483 ) )
                   != SV18 )
                  | ( leq @ SV147 @ SV156 ) ) ) )
        = $true )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1419]) ).

thf(1458,plain,
    ! [SV18: $i] :
      ( ( ( ssList @ ( sK34_SY467 @ SV18 ) )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1420]) ).

thf(1459,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssList @ ( sK38_SY484 @ SV18 ) )
          | ( ( app @ ( app @ ( sK27_SY439 @ SV18 ) @ ( cons @ ( sK12_SY249 @ SV18 ) @ ( sK34_SY467 @ SV18 ) ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ ( sK38_SY484 @ SV18 ) ) )
           != SV18 )
          | ( leq @ ( sK12_SY249 @ SV18 ) @ ( sK19_SY410 @ SV18 ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1421]) ).

thf(1460,plain,
    ! [SV20: $i,SV157: $i,SV148: $i,SV167: $i] :
      ( ( ( ssList @ SV167 )
        = $false )
      | ( ( ! [SY485: $i] :
              ( ~ ( ssList @ SY485 )
              | ! [SY486: $i] :
                  ( ~ ( ssList @ SY486 )
                  | ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SY485 ) ) @ ( cons @ SV157 @ SY486 ) )
                   != SV20 )
                  | ( leq @ SV148 @ SV157 )
                  | ( leq @ SV157 @ SV148 ) ) ) )
        = $true )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1422]) ).

thf(1461,plain,
    ! [SV20: $i] :
      ( ( ( ssList @ ( sK35_SY469 @ SV20 ) )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1423]) ).

thf(1462,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssList @ ( sK39_SY487 @ SV20 ) )
          | ( ( app @ ( app @ ( sK28_SY442 @ SV20 ) @ ( cons @ ( sK13_SY260 @ SV20 ) @ ( sK35_SY469 @ SV20 ) ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ ( sK39_SY487 @ SV20 ) ) )
           != SV20 )
          | ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
          | ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1424]) ).

thf(1463,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ssList @ ( sK29_SY361 @ SV24 @ SV94 ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1425]) ).

thf(1464,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ~ ! [SY471: $i] :
                ~ ~ ( ~ ( ssList @ SY471 )
                    | ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ SY471 ) )
                     != SV24 ) ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1426]) ).

thf(1465,plain,
    ! [SV24: $i,SV94: $i,SV161: $i] :
      ( ( ( ssList @ SV161 )
        = $false )
      | ( ( ~ ~ ! [SY472: $i] :
                  ~ ~ ( ~ ( ssList @ SY472 )
                      | ( ( app @ SV161 @ ( cons @ SV94 @ SY472 ) )
                       != SV24 ) ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1427]) ).

thf(1466,plain,
    ! [SV96: $i,SV27: $i,SV152: $i,SV132: $i] :
      ( ( ( SV132 = SV152 )
        = $true )
      | ( ( ( cons @ SV132 @ SV27 )
          = ( cons @ SV152 @ SV96 ) )
        = $false )
      | ( ( ssItem @ SV152 )
        = $false )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1428]) ).

thf(1467,plain,
    ! [SV152: $i,SV132: $i,SV27: $i,SV96: $i] :
      ( ( ( SV96 = SV27 )
        = $true )
      | ( ( ( cons @ SV132 @ SV27 )
          = ( cons @ SV152 @ SV96 ) )
        = $false )
      | ( ( ssItem @ SV152 )
        = $false )
      | ( ( ssItem @ SV132 )
        = $false )
      | ( ( ssList @ SV96 )
        = $false )
      | ( ( ssList @ SV27 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1429]) ).

thf(1468,plain,
    ! [SV105: $i,SV47: $i] :
      ( ( ( ssList @ ( sK30_SY372 @ SV47 @ SV105 ) )
        = $true )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1430]) ).

thf(1469,plain,
    ! [SV47: $i,SV105: $i] :
      ( ( ( ( app @ SV105 @ ( sK30_SY372 @ SV47 @ SV105 ) )
          = SV47 )
        = $true )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $false )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1431]) ).

thf(1470,plain,
    ! [SV47: $i,SV105: $i,SV162: $i] :
      ( ( ( ssList @ SV162 )
        = $false )
      | ( ( ( app @ SV105 @ SV162 )
         != SV47 )
        = $true )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1432]) ).

thf(1471,plain,
    ! [SV66: $i,SV158: $i,SV149: $i,SV168: $i] :
      ( ( ( ssList @ SV168 )
        = $false )
      | ( ( ! [SY488: $i] :
              ( ~ ( ssList @ SY488 )
              | ! [SY489: $i] :
                  ( ~ ( ssList @ SY489 )
                  | ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SY488 ) ) @ ( cons @ SV158 @ SY489 ) )
                   != SV66 )
                  | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                        | ~ ( leq @ SV158 @ SV149 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1435]) ).

thf(1472,plain,
    ! [SV66: $i] :
      ( ( ( ssList @ ( sK36_SY473 @ SV66 ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1436]) ).

thf(1473,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssList @ ( sK40_SY490 @ SV66 ) )
          | ( ( app @ ( app @ ( sK31_SY445 @ SV66 ) @ ( cons @ ( sK14_SY319 @ SV66 ) @ ( sK36_SY473 @ SV66 ) ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ ( sK40_SY490 @ SV66 ) ) )
           != SV66 )
          | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
                | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1437]) ).

thf(1474,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( ( SV3 != SV81 )
          | ~ ( frontsegP @ SV127 @ SV150 ) )
        = $false )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $false )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1438]) ).

thf(1475,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( ( SV3 != SV81 )
          | ~ ( frontsegP @ SV127 @ SV150 ) )
        = $true )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1439]) ).

thf(1476,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ! [SY462: $i] :
              ~ ~ ( ~ ( ssList @ SY462 )
                  | ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ SY462 )
                   != SV4 ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1441]) ).

thf(1477,plain,
    ! [SV4: $i,SV82: $i,SV159: $i] :
      ( ( ( ~ ! [SY463: $i] :
                ~ ~ ( ~ ( ssList @ SY463 )
                    | ( ( app @ ( app @ SV159 @ SV82 ) @ SY463 )
                     != SV4 ) ) )
        = $false )
      | ( ( ssList @ SV159 )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1442]) ).

thf(1478,plain,
    ! [SV163: $i] :
      ( ( ( ssItem @ SV163 )
        = $false )
      | ( ( ~ ~ ! [SY475: $i] :
                  ~ ~ ( ~ ~ ( ~ ( ssList @ SY475 )
                            | ( ( app @ ( cons @ SV163 @ nil ) @ SY475 )
                             != sK15_SY383 ) )
                      | ~ ~ ! [SY476: $i] :
                              ~ ~ ( ~ ( ssItem @ SY476 )
                                  | ~ ~ ! [SY477: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                                    | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                                     != sK4_SY335 ) )
                                              | ~ ( leq @ SY476 @ SV163 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1443]) ).

thf(1479,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( nil != SV85 )
        = $true )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1444]) ).

thf(1480,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( totalorderedP @ SV85 )
        = $true )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1445]) ).

thf(1481,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( nil != SV85 )
        = $false )
      | ( ( ~ ( totalorderedP @ SV85 ) )
        = $true )
      | ( ( ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1446]) ).

thf(1482,plain,
    ! [SV13: $i,SV154: $i,SV145: $i,SV164: $i,SV169: $i] :
      ( ( ( ~ ( ssList @ SV169 )
          | ! [SY491: $i] :
              ( ~ ( ssList @ SY491 )
              | ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SV169 ) ) @ ( cons @ SV154 @ SY491 ) )
               != SV13 )
              | ( SV145 != SV154 ) ) )
        = $true )
      | ( ( ssList @ SV164 )
        = $false )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1447]) ).

thf(1483,plain,
    ! [SV13: $i] :
      ( ( ( ~ ( ssList @ ( sK37_SY480 @ SV13 ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1449]) ).

thf(1484,plain,
    ! [SV13: $i] :
      ( ( ( ( ( app @ ( app @ ( sK24_SY434 @ SV13 ) @ ( cons @ ( sK10_SY226 @ SV13 ) @ ( sK32_SY464 @ SV13 ) ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ ( sK37_SY480 @ SV13 ) ) )
           != SV13 )
          | ( ( sK10_SY226 @ SV13 )
           != ( sK17_SY396 @ SV13 ) ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1449]) ).

thf(1485,plain,
    ! [SV15: $i,SV90: $i,SV160: $i] :
      ( ( ( ( app @ SV160 @ SV90 )
          = SV15 )
        = $false )
      | ( ( ssList @ SV160 )
        = $false )
      | ( ( rearsegP @ SV15 @ SV90 )
        = $true )
      | ( ( ssList @ SV90 )
        = $false )
      | ( ( ssList @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1452]) ).

thf(1486,plain,
    ! [SV17: $i,SV155: $i,SV146: $i,SV165: $i,SV170: $i] :
      ( ( ( ~ ( ssList @ SV170 )
          | ( ( app @ SV165 @ ( cons @ SV146 @ ( cons @ SV155 @ SV170 ) ) )
           != SV17 )
          | ( SV146 = SV155 ) )
        = $true )
      | ( ( ssList @ SV165 )
        = $false )
      | ( ( ssItem @ SV155 )
        = $false )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1453]) ).

thf(1487,plain,
    ! [SV17: $i] :
      ( ( ( ( app @ ( sK26_SY437 @ SV17 ) @ ( cons @ ( sK11_SY240 @ SV17 ) @ ( cons @ ( sK18_SY403 @ SV17 ) @ ( sK33_SY466 @ SV17 ) ) ) )
          = SV17 )
        = $true )
      | ( ( equalelemsP @ SV17 )
        = $true )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1455]) ).

thf(1488,plain,
    ! [SV18: $i,SV156: $i,SV147: $i,SV166: $i,SV171: $i] :
      ( ( ( ~ ( ssList @ SV171 )
          | ! [SY492: $i] :
              ( ~ ( ssList @ SY492 )
              | ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SV171 ) ) @ ( cons @ SV156 @ SY492 ) )
               != SV18 )
              | ( leq @ SV147 @ SV156 ) ) )
        = $true )
      | ( ( ssList @ SV166 )
        = $false )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1457]) ).

thf(1489,plain,
    ! [SV18: $i] :
      ( ( ( ~ ( ssList @ ( sK38_SY484 @ SV18 ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1459]) ).

thf(1490,plain,
    ! [SV18: $i] :
      ( ( ( ( ( app @ ( app @ ( sK27_SY439 @ SV18 ) @ ( cons @ ( sK12_SY249 @ SV18 ) @ ( sK34_SY467 @ SV18 ) ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ ( sK38_SY484 @ SV18 ) ) )
           != SV18 )
          | ( leq @ ( sK12_SY249 @ SV18 ) @ ( sK19_SY410 @ SV18 ) ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1459]) ).

thf(1491,plain,
    ! [SV20: $i,SV157: $i,SV148: $i,SV167: $i,SV172: $i] :
      ( ( ( ~ ( ssList @ SV172 )
          | ! [SY493: $i] :
              ( ~ ( ssList @ SY493 )
              | ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SV172 ) ) @ ( cons @ SV157 @ SY493 ) )
               != SV20 )
              | ( leq @ SV148 @ SV157 )
              | ( leq @ SV157 @ SV148 ) ) )
        = $true )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1460]) ).

thf(1492,plain,
    ! [SV20: $i] :
      ( ( ( ~ ( ssList @ ( sK39_SY487 @ SV20 ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1462]) ).

thf(1493,plain,
    ! [SV20: $i] :
      ( ( ( ( ( app @ ( app @ ( sK28_SY442 @ SV20 ) @ ( cons @ ( sK13_SY260 @ SV20 ) @ ( sK35_SY469 @ SV20 ) ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ ( sK39_SY487 @ SV20 ) ) )
           != SV20 )
          | ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
          | ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1462]) ).

thf(1494,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ! [SY471: $i] :
              ~ ~ ( ~ ( ssList @ SY471 )
                  | ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ SY471 ) )
                   != SV24 ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1464]) ).

thf(1495,plain,
    ! [SV24: $i,SV94: $i,SV161: $i] :
      ( ( ( ~ ! [SY472: $i] :
                ~ ~ ( ~ ( ssList @ SY472 )
                    | ( ( app @ SV161 @ ( cons @ SV94 @ SY472 ) )
                     != SV24 ) ) )
        = $false )
      | ( ( ssList @ SV161 )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1465]) ).

thf(1496,plain,
    ! [SV47: $i,SV162: $i,SV105: $i] :
      ( ( ( ( app @ SV105 @ SV162 )
          = SV47 )
        = $false )
      | ( ( ssList @ SV162 )
        = $false )
      | ( ( frontsegP @ SV47 @ SV105 )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( ssList @ SV47 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1470]) ).

thf(1497,plain,
    ! [SV66: $i,SV158: $i,SV149: $i,SV168: $i,SV173: $i] :
      ( ( ( ~ ( ssList @ SV173 )
          | ! [SY494: $i] :
              ( ~ ( ssList @ SY494 )
              | ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SY494 ) )
               != SV66 )
              | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                    | ~ ( leq @ SV158 @ SV149 ) ) ) )
        = $true )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1471]) ).

thf(1498,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssList @ ( sK40_SY490 @ SV66 ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1473]) ).

thf(1499,plain,
    ! [SV66: $i] :
      ( ( ( ( ( app @ ( app @ ( sK31_SY445 @ SV66 ) @ ( cons @ ( sK14_SY319 @ SV66 ) @ ( sK36_SY473 @ SV66 ) ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ ( sK40_SY490 @ SV66 ) ) )
           != SV66 )
          | ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
                | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1473]) ).

thf(1500,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( SV3 != SV81 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $false )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1474]) ).

thf(1501,plain,
    ! [SV81: $i,SV3: $i,SV150: $i,SV127: $i] :
      ( ( ( ~ ( frontsegP @ SV127 @ SV150 ) )
        = $false )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $false )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1474]) ).

thf(1502,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( SV3 != SV81 )
        = $true )
      | ( ( ~ ( frontsegP @ SV127 @ SV150 ) )
        = $true )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1475]) ).

thf(1503,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK41_SY462 @ SV82 @ SV4 ) )
                | ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ ( sK41_SY462 @ SV82 @ SV4 ) )
                 != SV4 ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1476]) ).

thf(1504,plain,
    ! [SV4: $i,SV82: $i,SV159: $i] :
      ( ( ( ! [SY463: $i] :
              ~ ~ ( ~ ( ssList @ SY463 )
                  | ( ( app @ ( app @ SV159 @ SV82 ) @ SY463 )
                   != SV4 ) ) )
        = $true )
      | ( ( ssList @ SV159 )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1477]) ).

thf(1505,plain,
    ! [SV163: $i] :
      ( ( ( ~ ! [SY475: $i] :
                ~ ~ ( ~ ~ ( ~ ( ssList @ SY475 )
                          | ( ( app @ ( cons @ SV163 @ nil ) @ SY475 )
                           != sK15_SY383 ) )
                    | ~ ~ ! [SY476: $i] :
                            ~ ~ ( ~ ( ssItem @ SY476 )
                                | ~ ~ ! [SY477: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                                  | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                                   != sK4_SY335 ) )
                                            | ~ ( leq @ SY476 @ SV163 ) ) ) ) )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1478]) ).

thf(1506,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( nil = SV85 )
        = $false )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $false )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1479]) ).

thf(1507,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( nil = SV85 )
        = $true )
      | ( ( ~ ( totalorderedP @ SV85 ) )
        = $true )
      | ( ( ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1481]) ).

thf(1508,plain,
    ! [SV13: $i,SV154: $i,SV145: $i,SV164: $i,SV169: $i] :
      ( ( ( ~ ( ssList @ SV169 ) )
        = $true )
      | ( ( ! [SY491: $i] :
              ( ~ ( ssList @ SY491 )
              | ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SV169 ) ) @ ( cons @ SV154 @ SY491 ) )
               != SV13 )
              | ( SV145 != SV154 ) ) )
        = $true )
      | ( ( ssList @ SV164 )
        = $false )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1482]) ).

thf(1509,plain,
    ! [SV13: $i] :
      ( ( ( ssList @ ( sK37_SY480 @ SV13 ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1483]) ).

thf(1510,plain,
    ! [SV13: $i] :
      ( ( ( ( app @ ( app @ ( sK24_SY434 @ SV13 ) @ ( cons @ ( sK10_SY226 @ SV13 ) @ ( sK32_SY464 @ SV13 ) ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ ( sK37_SY480 @ SV13 ) ) )
         != SV13 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1484]) ).

thf(1511,plain,
    ! [SV13: $i] :
      ( ( ( ( sK10_SY226 @ SV13 )
         != ( sK17_SY396 @ SV13 ) )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1484]) ).

thf(1512,plain,
    ! [SV17: $i,SV155: $i,SV146: $i,SV165: $i,SV170: $i] :
      ( ( ( ~ ( ssList @ SV170 ) )
        = $true )
      | ( ( ( ( app @ SV165 @ ( cons @ SV146 @ ( cons @ SV155 @ SV170 ) ) )
           != SV17 )
          | ( SV146 = SV155 ) )
        = $true )
      | ( ( ssList @ SV165 )
        = $false )
      | ( ( ssItem @ SV155 )
        = $false )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1486]) ).

thf(1513,plain,
    ! [SV18: $i,SV156: $i,SV147: $i,SV166: $i,SV171: $i] :
      ( ( ( ~ ( ssList @ SV171 ) )
        = $true )
      | ( ( ! [SY492: $i] :
              ( ~ ( ssList @ SY492 )
              | ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SV171 ) ) @ ( cons @ SV156 @ SY492 ) )
               != SV18 )
              | ( leq @ SV147 @ SV156 ) ) )
        = $true )
      | ( ( ssList @ SV166 )
        = $false )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1488]) ).

thf(1514,plain,
    ! [SV18: $i] :
      ( ( ( ssList @ ( sK38_SY484 @ SV18 ) )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1489]) ).

thf(1515,plain,
    ! [SV18: $i] :
      ( ( ( ( app @ ( app @ ( sK27_SY439 @ SV18 ) @ ( cons @ ( sK12_SY249 @ SV18 ) @ ( sK34_SY467 @ SV18 ) ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ ( sK38_SY484 @ SV18 ) ) )
         != SV18 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1490]) ).

thf(1516,plain,
    ! [SV18: $i] :
      ( ( ( leq @ ( sK12_SY249 @ SV18 ) @ ( sK19_SY410 @ SV18 ) )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1490]) ).

thf(1517,plain,
    ! [SV20: $i,SV157: $i,SV148: $i,SV167: $i,SV172: $i] :
      ( ( ( ~ ( ssList @ SV172 ) )
        = $true )
      | ( ( ! [SY493: $i] :
              ( ~ ( ssList @ SY493 )
              | ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SV172 ) ) @ ( cons @ SV157 @ SY493 ) )
               != SV20 )
              | ( leq @ SV148 @ SV157 )
              | ( leq @ SV157 @ SV148 ) ) )
        = $true )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1491]) ).

thf(1518,plain,
    ! [SV20: $i] :
      ( ( ( ssList @ ( sK39_SY487 @ SV20 ) )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1492]) ).

thf(1519,plain,
    ! [SV20: $i] :
      ( ( ( ( app @ ( app @ ( sK28_SY442 @ SV20 ) @ ( cons @ ( sK13_SY260 @ SV20 ) @ ( sK35_SY469 @ SV20 ) ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ ( sK39_SY487 @ SV20 ) ) )
         != SV20 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1493]) ).

thf(1520,plain,
    ! [SV20: $i] :
      ( ( ( ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
          | ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1493]) ).

thf(1521,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ ( sK42_SY471 @ SV94 @ SV24 ) )
                | ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ ( sK42_SY471 @ SV94 @ SV24 ) ) )
                 != SV24 ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[1494]) ).

thf(1522,plain,
    ! [SV24: $i,SV94: $i,SV161: $i] :
      ( ( ( ! [SY472: $i] :
              ~ ~ ( ~ ( ssList @ SY472 )
                  | ( ( app @ SV161 @ ( cons @ SV94 @ SY472 ) )
                   != SV24 ) ) )
        = $true )
      | ( ( ssList @ SV161 )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1495]) ).

thf(1523,plain,
    ! [SV66: $i,SV158: $i,SV149: $i,SV168: $i,SV173: $i] :
      ( ( ( ~ ( ssList @ SV173 ) )
        = $true )
      | ( ( ! [SY494: $i] :
              ( ~ ( ssList @ SY494 )
              | ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SY494 ) )
               != SV66 )
              | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                    | ~ ( leq @ SV158 @ SV149 ) ) ) )
        = $true )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1497]) ).

thf(1524,plain,
    ! [SV66: $i] :
      ( ( ( ssList @ ( sK40_SY490 @ SV66 ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1498]) ).

thf(1525,plain,
    ! [SV66: $i] :
      ( ( ( ( app @ ( app @ ( sK31_SY445 @ SV66 ) @ ( cons @ ( sK14_SY319 @ SV66 ) @ ( sK36_SY473 @ SV66 ) ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ ( sK40_SY490 @ SV66 ) ) )
         != SV66 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1499]) ).

thf(1526,plain,
    ! [SV66: $i] :
      ( ( ( ~ ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
                | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1499]) ).

thf(1527,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( SV3 = SV81 )
        = $true )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $false )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1500]) ).

thf(1528,plain,
    ! [SV81: $i,SV3: $i,SV150: $i,SV127: $i] :
      ( ( ( frontsegP @ SV127 @ SV150 )
        = $true )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $false )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1501]) ).

thf(1529,plain,
    ! [SV150: $i,SV127: $i,SV81: $i,SV3: $i] :
      ( ( ( SV3 = SV81 )
        = $false )
      | ( ( ~ ( frontsegP @ SV127 @ SV150 ) )
        = $true )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1502]) ).

thf(1530,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK41_SY462 @ SV82 @ SV4 ) )
              | ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ ( sK41_SY462 @ SV82 @ SV4 ) )
               != SV4 ) ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1503]) ).

thf(1531,plain,
    ! [SV4: $i,SV82: $i,SV159: $i,SV174: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV174 )
                | ( ( app @ ( app @ SV159 @ SV82 ) @ SV174 )
                 != SV4 ) ) )
        = $true )
      | ( ( ssList @ SV159 )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1504]) ).

thf(1532,plain,
    ! [SV163: $i] :
      ( ( ( ! [SY475: $i] :
              ~ ~ ( ~ ~ ( ~ ( ssList @ SY475 )
                        | ( ( app @ ( cons @ SV163 @ nil ) @ SY475 )
                         != sK15_SY383 ) )
                  | ~ ~ ! [SY476: $i] :
                          ~ ~ ( ~ ( ssItem @ SY476 )
                              | ~ ~ ! [SY477: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                                | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                                 != sK4_SY335 ) )
                                          | ~ ( leq @ SY476 @ SV163 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1505]) ).

thf(1533,plain,
    ! [SV8: $i,SV85: $i] :
      ( ( ( totalorderedP @ SV85 )
        = $false )
      | ( ( nil = SV85 )
        = $true )
      | ( ( ~ ( leq @ SV8 @ ( hd @ SV85 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1507]) ).

thf(1534,plain,
    ! [SV13: $i,SV154: $i,SV145: $i,SV164: $i,SV169: $i] :
      ( ( ( ssList @ SV169 )
        = $false )
      | ( ( ! [SY491: $i] :
              ( ~ ( ssList @ SY491 )
              | ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SV169 ) ) @ ( cons @ SV154 @ SY491 ) )
               != SV13 )
              | ( SV145 != SV154 ) ) )
        = $true )
      | ( ( ssList @ SV164 )
        = $false )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1508]) ).

thf(1535,plain,
    ! [SV13: $i] :
      ( ( ( ( app @ ( app @ ( sK24_SY434 @ SV13 ) @ ( cons @ ( sK10_SY226 @ SV13 ) @ ( sK32_SY464 @ SV13 ) ) ) @ ( cons @ ( sK17_SY396 @ SV13 ) @ ( sK37_SY480 @ SV13 ) ) )
          = SV13 )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1510]) ).

thf(1536,plain,
    ! [SV13: $i] :
      ( ( ( ( sK10_SY226 @ SV13 )
          = ( sK17_SY396 @ SV13 ) )
        = $true )
      | ( ( duplicatefreeP @ SV13 )
        = $true )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1511]) ).

thf(1537,plain,
    ! [SV17: $i,SV155: $i,SV146: $i,SV165: $i,SV170: $i] :
      ( ( ( ssList @ SV170 )
        = $false )
      | ( ( ( ( app @ SV165 @ ( cons @ SV146 @ ( cons @ SV155 @ SV170 ) ) )
           != SV17 )
          | ( SV146 = SV155 ) )
        = $true )
      | ( ( ssList @ SV165 )
        = $false )
      | ( ( ssItem @ SV155 )
        = $false )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1512]) ).

thf(1538,plain,
    ! [SV18: $i,SV156: $i,SV147: $i,SV166: $i,SV171: $i] :
      ( ( ( ssList @ SV171 )
        = $false )
      | ( ( ! [SY492: $i] :
              ( ~ ( ssList @ SY492 )
              | ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SV171 ) ) @ ( cons @ SV156 @ SY492 ) )
               != SV18 )
              | ( leq @ SV147 @ SV156 ) ) )
        = $true )
      | ( ( ssList @ SV166 )
        = $false )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1513]) ).

thf(1539,plain,
    ! [SV18: $i] :
      ( ( ( ( app @ ( app @ ( sK27_SY439 @ SV18 ) @ ( cons @ ( sK12_SY249 @ SV18 ) @ ( sK34_SY467 @ SV18 ) ) ) @ ( cons @ ( sK19_SY410 @ SV18 ) @ ( sK38_SY484 @ SV18 ) ) )
          = SV18 )
        = $true )
      | ( ( totalorderedP @ SV18 )
        = $true )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1515]) ).

thf(1540,plain,
    ! [SV20: $i,SV157: $i,SV148: $i,SV167: $i,SV172: $i] :
      ( ( ( ssList @ SV172 )
        = $false )
      | ( ( ! [SY493: $i] :
              ( ~ ( ssList @ SY493 )
              | ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SV172 ) ) @ ( cons @ SV157 @ SY493 ) )
               != SV20 )
              | ( leq @ SV148 @ SV157 )
              | ( leq @ SV157 @ SV148 ) ) )
        = $true )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1517]) ).

thf(1541,plain,
    ! [SV20: $i] :
      ( ( ( ( app @ ( app @ ( sK28_SY442 @ SV20 ) @ ( cons @ ( sK13_SY260 @ SV20 ) @ ( sK35_SY469 @ SV20 ) ) ) @ ( cons @ ( sK20_SY418 @ SV20 ) @ ( sK39_SY487 @ SV20 ) ) )
          = SV20 )
        = $true )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1519]) ).

thf(1542,plain,
    ! [SV20: $i] :
      ( ( ( leq @ ( sK13_SY260 @ SV20 ) @ ( sK20_SY418 @ SV20 ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1520]) ).

thf(1543,plain,
    ! [SV20: $i] :
      ( ( ( leq @ ( sK20_SY418 @ SV20 ) @ ( sK13_SY260 @ SV20 ) )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $true )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1520]) ).

thf(1544,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ( ~ ( ssList @ ( sK42_SY471 @ SV94 @ SV24 ) )
              | ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ ( sK42_SY471 @ SV94 @ SV24 ) ) )
               != SV24 ) ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1521]) ).

thf(1545,plain,
    ! [SV24: $i,SV94: $i,SV161: $i,SV175: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV175 )
                | ( ( app @ SV161 @ ( cons @ SV94 @ SV175 ) )
                 != SV24 ) ) )
        = $true )
      | ( ( ssList @ SV161 )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1522]) ).

thf(1546,plain,
    ! [SV66: $i,SV158: $i,SV149: $i,SV168: $i,SV173: $i] :
      ( ( ( ssList @ SV173 )
        = $false )
      | ( ( ! [SY494: $i] :
              ( ~ ( ssList @ SY494 )
              | ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SY494 ) )
               != SV66 )
              | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                    | ~ ( leq @ SV158 @ SV149 ) ) ) )
        = $true )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1523]) ).

thf(1547,plain,
    ! [SV66: $i] :
      ( ( ( ( app @ ( app @ ( sK31_SY445 @ SV66 ) @ ( cons @ ( sK14_SY319 @ SV66 ) @ ( sK36_SY473 @ SV66 ) ) ) @ ( cons @ ( sK21_SY426 @ SV66 ) @ ( sK40_SY490 @ SV66 ) ) )
          = SV66 )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1525]) ).

thf(1548,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
              | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1526]) ).

thf(1549,plain,
    ! [SV81: $i,SV3: $i,SV150: $i,SV127: $i] :
      ( ( ( frontsegP @ SV127 @ SV150 )
        = $false )
      | ( ( SV3 = SV81 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV3 @ SV127 ) @ ( cons @ SV81 @ SV150 ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV127 )
        = $false )
      | ( ( ssItem @ SV81 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1529]) ).

thf(1550,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ( ssList @ ( sK41_SY462 @ SV82 @ SV4 ) )
          | ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ ( sK41_SY462 @ SV82 @ SV4 ) )
           != SV4 ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1530]) ).

thf(1551,plain,
    ! [SV4: $i,SV82: $i,SV159: $i,SV174: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV174 )
              | ( ( app @ ( app @ SV159 @ SV82 ) @ SV174 )
               != SV4 ) ) )
        = $false )
      | ( ( ssList @ SV159 )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1531]) ).

thf(1552,plain,
    ! [SV163: $i,SV176: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( ssList @ SV176 )
                      | ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
                       != sK15_SY383 ) )
                | ~ ~ ! [SY476: $i] :
                        ~ ~ ( ~ ( ssItem @ SY476 )
                            | ~ ~ ! [SY477: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                              | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                               != sK4_SY335 ) )
                                        | ~ ( leq @ SY476 @ SV163 ) ) ) ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1532]) ).

thf(1553,plain,
    ! [SV85: $i,SV8: $i] :
      ( ( ( leq @ SV8 @ ( hd @ SV85 ) )
        = $false )
      | ( ( nil = SV85 )
        = $true )
      | ( ( totalorderedP @ SV85 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV8 @ SV85 ) )
        = $true )
      | ( ( ssList @ SV85 )
        = $false )
      | ( ( ssItem @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1533]) ).

thf(1554,plain,
    ! [SV13: $i,SV154: $i,SV169: $i,SV145: $i,SV164: $i,SV177: $i] :
      ( ( ( ~ ( ssList @ SV177 )
          | ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SV169 ) ) @ ( cons @ SV154 @ SV177 ) )
           != SV13 )
          | ( SV145 != SV154 ) )
        = $true )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ssList @ SV164 )
        = $false )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1534]) ).

thf(1555,plain,
    ! [SV17: $i,SV170: $i,SV155: $i,SV146: $i,SV165: $i] :
      ( ( ( ( app @ SV165 @ ( cons @ SV146 @ ( cons @ SV155 @ SV170 ) ) )
         != SV17 )
        = $true )
      | ( ( SV146 = SV155 )
        = $true )
      | ( ( ssList @ SV170 )
        = $false )
      | ( ( ssList @ SV165 )
        = $false )
      | ( ( ssItem @ SV155 )
        = $false )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1537]) ).

thf(1556,plain,
    ! [SV18: $i,SV156: $i,SV171: $i,SV147: $i,SV166: $i,SV178: $i] :
      ( ( ( ~ ( ssList @ SV178 )
          | ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SV171 ) ) @ ( cons @ SV156 @ SV178 ) )
           != SV18 )
          | ( leq @ SV147 @ SV156 ) )
        = $true )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV166 )
        = $false )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1538]) ).

thf(1557,plain,
    ! [SV20: $i,SV157: $i,SV172: $i,SV148: $i,SV167: $i,SV179: $i] :
      ( ( ( ~ ( ssList @ SV179 )
          | ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SV172 ) ) @ ( cons @ SV157 @ SV179 ) )
           != SV20 )
          | ( leq @ SV148 @ SV157 )
          | ( leq @ SV157 @ SV148 ) )
        = $true )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1540]) ).

thf(1558,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ( ssList @ ( sK42_SY471 @ SV94 @ SV24 ) )
          | ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ ( sK42_SY471 @ SV94 @ SV24 ) ) )
           != SV24 ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1544]) ).

thf(1559,plain,
    ! [SV24: $i,SV94: $i,SV161: $i,SV175: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV175 )
              | ( ( app @ SV161 @ ( cons @ SV94 @ SV175 ) )
               != SV24 ) ) )
        = $false )
      | ( ( ssList @ SV161 )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1545]) ).

thf(1560,plain,
    ! [SV66: $i,SV158: $i,SV173: $i,SV149: $i,SV168: $i,SV180: $i] :
      ( ( ( ~ ( ssList @ SV180 )
          | ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
           != SV66 )
          | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                | ~ ( leq @ SV158 @ SV149 ) ) )
        = $true )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1546]) ).

thf(1561,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
          | ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1548]) ).

thf(1562,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ~ ( ssList @ ( sK41_SY462 @ SV82 @ SV4 ) ) )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1550]) ).

thf(1563,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ ( sK41_SY462 @ SV82 @ SV4 ) )
         != SV4 )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1550]) ).

thf(1564,plain,
    ! [SV4: $i,SV82: $i,SV159: $i,SV174: $i] :
      ( ( ( ~ ( ssList @ SV174 )
          | ( ( app @ ( app @ SV159 @ SV82 ) @ SV174 )
           != SV4 ) )
        = $true )
      | ( ( ssList @ SV159 )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1551]) ).

thf(1565,plain,
    ! [SV163: $i,SV176: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ssList @ SV176 )
                    | ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
                     != sK15_SY383 ) )
              | ~ ~ ! [SY476: $i] :
                      ~ ~ ( ~ ( ssItem @ SY476 )
                          | ~ ~ ! [SY477: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                            | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                             != sK4_SY335 ) )
                                      | ~ ( leq @ SY476 @ SV163 ) ) ) ) )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1552]) ).

thf(1566,plain,
    ! [SV13: $i,SV154: $i,SV169: $i,SV145: $i,SV164: $i,SV177: $i] :
      ( ( ( ~ ( ssList @ SV177 ) )
        = $true )
      | ( ( ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SV169 ) ) @ ( cons @ SV154 @ SV177 ) )
           != SV13 )
          | ( SV145 != SV154 ) )
        = $true )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ssList @ SV164 )
        = $false )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1554]) ).

thf(1567,plain,
    ! [SV17: $i,SV170: $i,SV155: $i,SV146: $i,SV165: $i] :
      ( ( ( ( app @ SV165 @ ( cons @ SV146 @ ( cons @ SV155 @ SV170 ) ) )
          = SV17 )
        = $false )
      | ( ( SV146 = SV155 )
        = $true )
      | ( ( ssList @ SV170 )
        = $false )
      | ( ( ssList @ SV165 )
        = $false )
      | ( ( ssItem @ SV155 )
        = $false )
      | ( ( ssItem @ SV146 )
        = $false )
      | ( ( equalelemsP @ SV17 )
        = $false )
      | ( ( ssList @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1555]) ).

thf(1568,plain,
    ! [SV18: $i,SV156: $i,SV171: $i,SV147: $i,SV166: $i,SV178: $i] :
      ( ( ( ~ ( ssList @ SV178 ) )
        = $true )
      | ( ( ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SV171 ) ) @ ( cons @ SV156 @ SV178 ) )
           != SV18 )
          | ( leq @ SV147 @ SV156 ) )
        = $true )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV166 )
        = $false )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1556]) ).

thf(1569,plain,
    ! [SV20: $i,SV157: $i,SV172: $i,SV148: $i,SV167: $i,SV179: $i] :
      ( ( ( ~ ( ssList @ SV179 ) )
        = $true )
      | ( ( ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SV172 ) ) @ ( cons @ SV157 @ SV179 ) )
           != SV20 )
          | ( leq @ SV148 @ SV157 )
          | ( leq @ SV157 @ SV148 ) )
        = $true )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1557]) ).

thf(1570,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ~ ( ssList @ ( sK42_SY471 @ SV94 @ SV24 ) ) )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1558]) ).

thf(1571,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ ( sK42_SY471 @ SV94 @ SV24 ) ) )
         != SV24 )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1558]) ).

thf(1572,plain,
    ! [SV24: $i,SV94: $i,SV161: $i,SV175: $i] :
      ( ( ( ~ ( ssList @ SV175 )
          | ( ( app @ SV161 @ ( cons @ SV94 @ SV175 ) )
           != SV24 ) )
        = $true )
      | ( ( ssList @ SV161 )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1559]) ).

thf(1573,plain,
    ! [SV66: $i,SV158: $i,SV173: $i,SV149: $i,SV168: $i,SV180: $i] :
      ( ( ( ~ ( ssList @ SV180 ) )
        = $true )
      | ( ( ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
           != SV66 )
          | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                | ~ ( leq @ SV158 @ SV149 ) ) )
        = $true )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1560]) ).

thf(1574,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1561]) ).

thf(1575,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) ) )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[1561]) ).

thf(1576,plain,
    ! [SV4: $i,SV82: $i] :
      ( ( ( ssList @ ( sK41_SY462 @ SV82 @ SV4 ) )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1562]) ).

thf(1577,plain,
    ! [SV82: $i,SV4: $i] :
      ( ( ( ( app @ ( app @ ( sK23_SY346 @ SV4 @ SV82 ) @ SV82 ) @ ( sK41_SY462 @ SV82 @ SV4 ) )
          = SV4 )
        = $true )
      | ( ( segmentP @ SV4 @ SV82 )
        = $false )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1563]) ).

thf(1578,plain,
    ! [SV4: $i,SV82: $i,SV159: $i,SV174: $i] :
      ( ( ( ~ ( ssList @ SV174 ) )
        = $true )
      | ( ( ( app @ ( app @ SV159 @ SV82 ) @ SV174 )
         != SV4 )
        = $true )
      | ( ( ssList @ SV159 )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1564]) ).

thf(1579,plain,
    ! [SV163: $i,SV176: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV176 )
                | ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
                 != sK15_SY383 ) )
          | ~ ~ ! [SY476: $i] :
                  ~ ~ ( ~ ( ssItem @ SY476 )
                      | ~ ~ ! [SY477: $i] :
                              ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                        | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                         != sK4_SY335 ) )
                                  | ~ ( leq @ SY476 @ SV163 ) ) ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1565]) ).

thf(1580,plain,
    ! [SV13: $i,SV154: $i,SV169: $i,SV145: $i,SV164: $i,SV177: $i] :
      ( ( ( ssList @ SV177 )
        = $false )
      | ( ( ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SV169 ) ) @ ( cons @ SV154 @ SV177 ) )
           != SV13 )
          | ( SV145 != SV154 ) )
        = $true )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ssList @ SV164 )
        = $false )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1566]) ).

thf(1581,plain,
    ! [SV18: $i,SV156: $i,SV171: $i,SV147: $i,SV166: $i,SV178: $i] :
      ( ( ( ssList @ SV178 )
        = $false )
      | ( ( ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SV171 ) ) @ ( cons @ SV156 @ SV178 ) )
           != SV18 )
          | ( leq @ SV147 @ SV156 ) )
        = $true )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV166 )
        = $false )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1568]) ).

thf(1582,plain,
    ! [SV20: $i,SV157: $i,SV172: $i,SV148: $i,SV167: $i,SV179: $i] :
      ( ( ( ssList @ SV179 )
        = $false )
      | ( ( ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SV172 ) ) @ ( cons @ SV157 @ SV179 ) )
           != SV20 )
          | ( leq @ SV148 @ SV157 )
          | ( leq @ SV157 @ SV148 ) )
        = $true )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1569]) ).

thf(1583,plain,
    ! [SV24: $i,SV94: $i] :
      ( ( ( ssList @ ( sK42_SY471 @ SV94 @ SV24 ) )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1570]) ).

thf(1584,plain,
    ! [SV94: $i,SV24: $i] :
      ( ( ( ( app @ ( sK29_SY361 @ SV24 @ SV94 ) @ ( cons @ SV94 @ ( sK42_SY471 @ SV94 @ SV24 ) ) )
          = SV24 )
        = $true )
      | ( ( memberP @ SV24 @ SV94 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1571]) ).

thf(1585,plain,
    ! [SV24: $i,SV94: $i,SV161: $i,SV175: $i] :
      ( ( ( ~ ( ssList @ SV175 ) )
        = $true )
      | ( ( ( app @ SV161 @ ( cons @ SV94 @ SV175 ) )
         != SV24 )
        = $true )
      | ( ( ssList @ SV161 )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1572]) ).

thf(1586,plain,
    ! [SV66: $i,SV158: $i,SV173: $i,SV149: $i,SV168: $i,SV180: $i] :
      ( ( ( ssList @ SV180 )
        = $false )
      | ( ( ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
           != SV66 )
          | ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                | ~ ( leq @ SV158 @ SV149 ) ) )
        = $true )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1573]) ).

thf(1587,plain,
    ! [SV66: $i] :
      ( ( ( leq @ ( sK14_SY319 @ SV66 ) @ ( sK21_SY426 @ SV66 ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1574]) ).

thf(1588,plain,
    ! [SV66: $i] :
      ( ( ( leq @ ( sK21_SY426 @ SV66 ) @ ( sK14_SY319 @ SV66 ) )
        = $true )
      | ( ( cyclefreeP @ SV66 )
        = $true )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1575]) ).

thf(1589,plain,
    ! [SV4: $i,SV82: $i,SV159: $i,SV174: $i] :
      ( ( ( ssList @ SV174 )
        = $false )
      | ( ( ( app @ ( app @ SV159 @ SV82 ) @ SV174 )
         != SV4 )
        = $true )
      | ( ( ssList @ SV159 )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1578]) ).

thf(1590,plain,
    ! [SV163: $i,SV176: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV176 )
                | ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
                 != sK15_SY383 ) ) )
        = $true )
      | ( ( ~ ~ ! [SY476: $i] :
                  ~ ~ ( ~ ( ssItem @ SY476 )
                      | ~ ~ ! [SY477: $i] :
                              ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                        | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                         != sK4_SY335 ) )
                                  | ~ ( leq @ SY476 @ SV163 ) ) ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1579]) ).

thf(1591,plain,
    ! [SV13: $i,SV177: $i,SV154: $i,SV169: $i,SV145: $i,SV164: $i] :
      ( ( ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SV169 ) ) @ ( cons @ SV154 @ SV177 ) )
         != SV13 )
        = $true )
      | ( ( SV145 != SV154 )
        = $true )
      | ( ( ssList @ SV177 )
        = $false )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ssList @ SV164 )
        = $false )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1580]) ).

thf(1592,plain,
    ! [SV18: $i,SV178: $i,SV156: $i,SV171: $i,SV147: $i,SV166: $i] :
      ( ( ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SV171 ) ) @ ( cons @ SV156 @ SV178 ) )
         != SV18 )
        = $true )
      | ( ( leq @ SV147 @ SV156 )
        = $true )
      | ( ( ssList @ SV178 )
        = $false )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV166 )
        = $false )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1581]) ).

thf(1593,plain,
    ! [SV20: $i,SV179: $i,SV157: $i,SV172: $i,SV148: $i,SV167: $i] :
      ( ( ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SV172 ) ) @ ( cons @ SV157 @ SV179 ) )
         != SV20 )
        = $true )
      | ( ( ( leq @ SV148 @ SV157 )
          | ( leq @ SV157 @ SV148 ) )
        = $true )
      | ( ( ssList @ SV179 )
        = $false )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1582]) ).

thf(1594,plain,
    ! [SV24: $i,SV94: $i,SV161: $i,SV175: $i] :
      ( ( ( ssList @ SV175 )
        = $false )
      | ( ( ( app @ SV161 @ ( cons @ SV94 @ SV175 ) )
         != SV24 )
        = $true )
      | ( ( ssList @ SV161 )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1585]) ).

thf(1595,plain,
    ! [SV66: $i,SV180: $i,SV158: $i,SV173: $i,SV149: $i,SV168: $i] :
      ( ( ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
         != SV66 )
        = $true )
      | ( ( ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                | ~ ( leq @ SV158 @ SV149 ) ) )
        = $true )
      | ( ( ssList @ SV180 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1586]) ).

thf(1596,plain,
    ! [SV4: $i,SV174: $i,SV82: $i,SV159: $i] :
      ( ( ( ( app @ ( app @ SV159 @ SV82 ) @ SV174 )
          = SV4 )
        = $false )
      | ( ( ssList @ SV174 )
        = $false )
      | ( ( ssList @ SV159 )
        = $false )
      | ( ( segmentP @ SV4 @ SV82 )
        = $true )
      | ( ( ssList @ SV82 )
        = $false )
      | ( ( ssList @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1589]) ).

thf(1597,plain,
    ! [SV163: $i,SV176: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV176 )
              | ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
               != sK15_SY383 ) ) )
        = $false )
      | ( ( ~ ~ ! [SY476: $i] :
                  ~ ~ ( ~ ( ssItem @ SY476 )
                      | ~ ~ ! [SY477: $i] :
                              ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                        | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                         != sK4_SY335 ) )
                                  | ~ ( leq @ SY476 @ SV163 ) ) ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1590]) ).

thf(1598,plain,
    ! [SV13: $i,SV177: $i,SV154: $i,SV169: $i,SV145: $i,SV164: $i] :
      ( ( ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SV169 ) ) @ ( cons @ SV154 @ SV177 ) )
          = SV13 )
        = $false )
      | ( ( SV145 != SV154 )
        = $true )
      | ( ( ssList @ SV177 )
        = $false )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ssList @ SV164 )
        = $false )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1591]) ).

thf(1599,plain,
    ! [SV18: $i,SV178: $i,SV156: $i,SV171: $i,SV147: $i,SV166: $i] :
      ( ( ( ( app @ ( app @ SV166 @ ( cons @ SV147 @ SV171 ) ) @ ( cons @ SV156 @ SV178 ) )
          = SV18 )
        = $false )
      | ( ( leq @ SV147 @ SV156 )
        = $true )
      | ( ( ssList @ SV178 )
        = $false )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV166 )
        = $false )
      | ( ( ssItem @ SV156 )
        = $false )
      | ( ( ssItem @ SV147 )
        = $false )
      | ( ( totalorderedP @ SV18 )
        = $false )
      | ( ( ssList @ SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1592]) ).

thf(1600,plain,
    ! [SV20: $i,SV179: $i,SV157: $i,SV172: $i,SV148: $i,SV167: $i] :
      ( ( ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SV172 ) ) @ ( cons @ SV157 @ SV179 ) )
          = SV20 )
        = $false )
      | ( ( ( leq @ SV148 @ SV157 )
          | ( leq @ SV157 @ SV148 ) )
        = $true )
      | ( ( ssList @ SV179 )
        = $false )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1593]) ).

thf(1601,plain,
    ! [SV24: $i,SV175: $i,SV94: $i,SV161: $i] :
      ( ( ( ( app @ SV161 @ ( cons @ SV94 @ SV175 ) )
          = SV24 )
        = $false )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV161 )
        = $false )
      | ( ( memberP @ SV24 @ SV94 )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false )
      | ( ( ssList @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1594]) ).

thf(1602,plain,
    ! [SV66: $i,SV180: $i,SV158: $i,SV173: $i,SV149: $i,SV168: $i] :
      ( ( ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
          = SV66 )
        = $false )
      | ( ( ~ ~ ( ~ ( leq @ SV149 @ SV158 )
                | ~ ( leq @ SV158 @ SV149 ) ) )
        = $true )
      | ( ( ssList @ SV180 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1595]) ).

thf(1603,plain,
    ! [SV163: $i,SV176: $i] :
      ( ( ( ~ ( ssList @ SV176 )
          | ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
           != sK15_SY383 ) )
        = $true )
      | ( ( ~ ~ ! [SY476: $i] :
                  ~ ~ ( ~ ( ssItem @ SY476 )
                      | ~ ~ ! [SY477: $i] :
                              ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                        | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                         != sK4_SY335 ) )
                                  | ~ ( leq @ SY476 @ SV163 ) ) ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1597]) ).

thf(1604,plain,
    ! [SV13: $i,SV177: $i,SV169: $i,SV164: $i,SV154: $i,SV145: $i] :
      ( ( ( SV145 = SV154 )
        = $false )
      | ( ( ( app @ ( app @ SV164 @ ( cons @ SV145 @ SV169 ) ) @ ( cons @ SV154 @ SV177 ) )
          = SV13 )
        = $false )
      | ( ( ssList @ SV177 )
        = $false )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ssList @ SV164 )
        = $false )
      | ( ( ssItem @ SV154 )
        = $false )
      | ( ( ssItem @ SV145 )
        = $false )
      | ( ( duplicatefreeP @ SV13 )
        = $false )
      | ( ( ssList @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1598]) ).

thf(1605,plain,
    ! [SV20: $i,SV179: $i,SV172: $i,SV167: $i,SV157: $i,SV148: $i] :
      ( ( ( leq @ SV148 @ SV157 )
        = $true )
      | ( ( leq @ SV157 @ SV148 )
        = $true )
      | ( ( ( app @ ( app @ SV167 @ ( cons @ SV148 @ SV172 ) ) @ ( cons @ SV157 @ SV179 ) )
          = SV20 )
        = $false )
      | ( ( ssList @ SV179 )
        = $false )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssItem @ SV157 )
        = $false )
      | ( ( ssItem @ SV148 )
        = $false )
      | ( ( totalorderP @ SV20 )
        = $false )
      | ( ( ssList @ SV20 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1600]) ).

thf(1606,plain,
    ! [SV66: $i,SV180: $i,SV173: $i,SV168: $i,SV158: $i,SV149: $i] :
      ( ( ( ~ ( ~ ( leq @ SV149 @ SV158 )
              | ~ ( leq @ SV158 @ SV149 ) ) )
        = $false )
      | ( ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
          = SV66 )
        = $false )
      | ( ( ssList @ SV180 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1602]) ).

thf(1607,plain,
    ! [SV163: $i,SV176: $i] :
      ( ( ( ~ ( ssList @ SV176 ) )
        = $true )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
         != sK15_SY383 )
        = $true )
      | ( ( ~ ~ ! [SY476: $i] :
                  ~ ~ ( ~ ( ssItem @ SY476 )
                      | ~ ~ ! [SY477: $i] :
                              ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                        | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                         != sK4_SY335 ) )
                                  | ~ ( leq @ SY476 @ SV163 ) ) ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1603]) ).

thf(1608,plain,
    ! [SV66: $i,SV180: $i,SV173: $i,SV168: $i,SV158: $i,SV149: $i] :
      ( ( ( ~ ( leq @ SV149 @ SV158 )
          | ~ ( leq @ SV158 @ SV149 ) )
        = $true )
      | ( ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
          = SV66 )
        = $false )
      | ( ( ssList @ SV180 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1606]) ).

thf(1609,plain,
    ! [SV163: $i,SV176: $i] :
      ( ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
         != sK15_SY383 )
        = $true )
      | ( ( ~ ~ ! [SY476: $i] :
                  ~ ~ ( ~ ( ssItem @ SY476 )
                      | ~ ~ ! [SY477: $i] :
                              ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                        | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                         != sK4_SY335 ) )
                                  | ~ ( leq @ SY476 @ SV163 ) ) ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1607]) ).

thf(1610,plain,
    ! [SV66: $i,SV180: $i,SV173: $i,SV168: $i,SV158: $i,SV149: $i] :
      ( ( ( ~ ( leq @ SV149 @ SV158 ) )
        = $true )
      | ( ( ~ ( leq @ SV158 @ SV149 ) )
        = $true )
      | ( ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
          = SV66 )
        = $false )
      | ( ( ssList @ SV180 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1608]) ).

thf(1611,plain,
    ! [SV176: $i,SV163: $i] :
      ( ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ~ ~ ! [SY476: $i] :
                  ~ ~ ( ~ ( ssItem @ SY476 )
                      | ~ ~ ! [SY477: $i] :
                              ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                        | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                         != sK4_SY335 ) )
                                  | ~ ( leq @ SY476 @ SV163 ) ) ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1609]) ).

thf(1612,plain,
    ! [SV66: $i,SV180: $i,SV173: $i,SV168: $i,SV158: $i,SV149: $i] :
      ( ( ( leq @ SV149 @ SV158 )
        = $false )
      | ( ( ~ ( leq @ SV158 @ SV149 ) )
        = $true )
      | ( ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
          = SV66 )
        = $false )
      | ( ( ssList @ SV180 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1610]) ).

thf(1613,plain,
    ! [SV176: $i,SV163: $i] :
      ( ( ( ~ ! [SY476: $i] :
                ~ ~ ( ~ ( ssItem @ SY476 )
                    | ~ ~ ! [SY477: $i] :
                            ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                      | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                       != sK4_SY335 ) )
                                | ~ ( leq @ SY476 @ SV163 ) ) ) )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1611]) ).

thf(1614,plain,
    ! [SV66: $i,SV180: $i,SV173: $i,SV168: $i,SV149: $i,SV158: $i] :
      ( ( ( leq @ SV158 @ SV149 )
        = $false )
      | ( ( leq @ SV149 @ SV158 )
        = $false )
      | ( ( ( app @ ( app @ SV168 @ ( cons @ SV149 @ SV173 ) ) @ ( cons @ SV158 @ SV180 ) )
          = SV66 )
        = $false )
      | ( ( ssList @ SV180 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV168 )
        = $false )
      | ( ( ssItem @ SV158 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false )
      | ( ( cyclefreeP @ SV66 )
        = $false )
      | ( ( ssList @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1612]) ).

thf(1615,plain,
    ! [SV176: $i,SV163: $i] :
      ( ( ( ! [SY476: $i] :
              ~ ~ ( ~ ( ssItem @ SY476 )
                  | ~ ~ ! [SY477: $i] :
                          ~ ~ ( ~ ~ ( ~ ( ssList @ SY477 )
                                    | ( ( app @ SY477 @ ( cons @ SY476 @ nil ) )
                                     != sK4_SY335 ) )
                              | ~ ( leq @ SY476 @ SV163 ) ) ) )
        = $true )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1613]) ).

thf(1616,plain,
    ! [SV176: $i,SV163: $i,SV181: $i] :
      ( ( ( ~ ~ ( ~ ( ssItem @ SV181 )
                | ~ ~ ! [SY497: $i] :
                        ~ ~ ( ~ ~ ( ~ ( ssList @ SY497 )
                                  | ( ( app @ SY497 @ ( cons @ SV181 @ nil ) )
                                   != sK4_SY335 ) )
                            | ~ ( leq @ SV181 @ SV163 ) ) ) )
        = $true )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1615]) ).

thf(1617,plain,
    ! [SV176: $i,SV163: $i,SV181: $i] :
      ( ( ( ~ ( ~ ( ssItem @ SV181 )
              | ~ ~ ! [SY497: $i] :
                      ~ ~ ( ~ ~ ( ~ ( ssList @ SY497 )
                                | ( ( app @ SY497 @ ( cons @ SV181 @ nil ) )
                                 != sK4_SY335 ) )
                          | ~ ( leq @ SV181 @ SV163 ) ) ) )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1616]) ).

thf(1618,plain,
    ! [SV176: $i,SV163: $i,SV181: $i] :
      ( ( ( ~ ( ssItem @ SV181 )
          | ~ ~ ! [SY497: $i] :
                  ~ ~ ( ~ ~ ( ~ ( ssList @ SY497 )
                            | ( ( app @ SY497 @ ( cons @ SV181 @ nil ) )
                             != sK4_SY335 ) )
                      | ~ ( leq @ SV181 @ SV163 ) ) )
        = $true )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1617]) ).

thf(1619,plain,
    ! [SV176: $i,SV163: $i,SV181: $i] :
      ( ( ( ~ ( ssItem @ SV181 ) )
        = $true )
      | ( ( ~ ~ ! [SY497: $i] :
                  ~ ~ ( ~ ~ ( ~ ( ssList @ SY497 )
                            | ( ( app @ SY497 @ ( cons @ SV181 @ nil ) )
                             != sK4_SY335 ) )
                      | ~ ( leq @ SV181 @ SV163 ) ) )
        = $true )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1618]) ).

thf(1620,plain,
    ! [SV176: $i,SV163: $i,SV181: $i] :
      ( ( ( ssItem @ SV181 )
        = $false )
      | ( ( ~ ~ ! [SY497: $i] :
                  ~ ~ ( ~ ~ ( ~ ( ssList @ SY497 )
                            | ( ( app @ SY497 @ ( cons @ SV181 @ nil ) )
                             != sK4_SY335 ) )
                      | ~ ( leq @ SV181 @ SV163 ) ) )
        = $true )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1619]) ).

thf(1621,plain,
    ! [SV176: $i,SV163: $i,SV181: $i] :
      ( ( ( ~ ! [SY497: $i] :
                ~ ~ ( ~ ~ ( ~ ( ssList @ SY497 )
                          | ( ( app @ SY497 @ ( cons @ SV181 @ nil ) )
                           != sK4_SY335 ) )
                    | ~ ( leq @ SV181 @ SV163 ) ) )
        = $false )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1620]) ).

thf(1622,plain,
    ! [SV176: $i,SV163: $i,SV181: $i] :
      ( ( ( ! [SY497: $i] :
              ~ ~ ( ~ ~ ( ~ ( ssList @ SY497 )
                        | ( ( app @ SY497 @ ( cons @ SV181 @ nil ) )
                         != sK4_SY335 ) )
                  | ~ ( leq @ SV181 @ SV163 ) ) )
        = $true )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1621]) ).

thf(1623,plain,
    ! [SV176: $i,SV163: $i,SV181: $i,SV182: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( ssList @ SV182 )
                      | ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
                       != sK4_SY335 ) )
                | ~ ( leq @ SV181 @ SV163 ) ) )
        = $true )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1622]) ).

thf(1624,plain,
    ! [SV176: $i,SV163: $i,SV181: $i,SV182: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ssList @ SV182 )
                    | ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
                     != sK4_SY335 ) )
              | ~ ( leq @ SV181 @ SV163 ) ) )
        = $false )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1623]) ).

thf(1625,plain,
    ! [SV176: $i,SV163: $i,SV181: $i,SV182: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV182 )
                | ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
                 != sK4_SY335 ) )
          | ~ ( leq @ SV181 @ SV163 ) )
        = $true )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1624]) ).

thf(1626,plain,
    ! [SV176: $i,SV163: $i,SV181: $i,SV182: $i] :
      ( ( ( ~ ~ ( ~ ( ssList @ SV182 )
                | ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
                 != sK4_SY335 ) ) )
        = $true )
      | ( ( ~ ( leq @ SV181 @ SV163 ) )
        = $true )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1625]) ).

thf(1627,plain,
    ! [SV176: $i,SV163: $i,SV181: $i,SV182: $i] :
      ( ( ( ~ ( ~ ( ssList @ SV182 )
              | ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
               != sK4_SY335 ) ) )
        = $false )
      | ( ( ~ ( leq @ SV181 @ SV163 ) )
        = $true )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1626]) ).

thf(1628,plain,
    ! [SV176: $i,SV163: $i,SV181: $i,SV182: $i] :
      ( ( ( ~ ( ssList @ SV182 )
          | ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
           != sK4_SY335 ) )
        = $true )
      | ( ( ~ ( leq @ SV181 @ SV163 ) )
        = $true )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[1627]) ).

thf(1629,plain,
    ! [SV176: $i,SV163: $i,SV181: $i,SV182: $i] :
      ( ( ( ~ ( ssList @ SV182 ) )
        = $true )
      | ( ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
         != sK4_SY335 )
        = $true )
      | ( ( ~ ( leq @ SV181 @ SV163 ) )
        = $true )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1628]) ).

thf(1630,plain,
    ! [SV176: $i,SV163: $i,SV181: $i,SV182: $i] :
      ( ( ( ssList @ SV182 )
        = $false )
      | ( ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
         != sK4_SY335 )
        = $true )
      | ( ( ~ ( leq @ SV181 @ SV163 ) )
        = $true )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1629]) ).

thf(1631,plain,
    ! [SV176: $i,SV163: $i,SV181: $i,SV182: $i] :
      ( ( ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
          = sK4_SY335 )
        = $false )
      | ( ( ssList @ SV182 )
        = $false )
      | ( ( ~ ( leq @ SV181 @ SV163 ) )
        = $true )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1630]) ).

thf(1632,plain,
    ! [SV176: $i,SV182: $i,SV163: $i,SV181: $i] :
      ( ( ( leq @ SV181 @ SV163 )
        = $false )
      | ( ( ssList @ SV182 )
        = $false )
      | ( ( ( app @ SV182 @ ( cons @ SV181 @ nil ) )
          = sK4_SY335 )
        = $false )
      | ( ( ssItem @ SV181 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ( app @ ( cons @ SV163 @ nil ) @ SV176 )
          = sK15_SY383 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1631]) ).

thf(1633,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[206,1632,1614,1605,1604,1601,1599,1596,1588,1587,1584,1583,1577,1576,1567,1553,1549,1547,1543,1542,1541,1539,1536,1535,1528,1527,1524,1518,1516,1514,1509,1506,1496,1487,1485,1480,1472,1469,1468,1467,1466,1463,1461,1458,1456,1454,1451,1450,1448,1440,1434,1433,1409,1400,1399,1397,1395,1394,1393,1392,1391,1390,1387,1384,1383,1382,1381,1380,1375,1372,1369,1364,1362,1361,1359,1357,1335,1334,1329,1311,1310,1307,1301,1300,1292,1270,1267,1264,1259,1254,1247,1243,1242,1237,1235,1231,1230,1220,1219,1218,1217,1212,1211,1196,1187,1182,1177,1176,1170,1169,1166,1165,1162,1160,1158,1130,1127,1124,1118,1102,1096,1078,1035,1020,1014,1010,1009,1001,993,968,953,952,933,932,931,930,891,862,843,816,809,804,802,781,770,763,758,752,663,642,614,600,599,590,583,579,578,575,571,570,568,567,557,554,552,551,541,534,364,281,261,259,257,254,252,250,248]) ).

thf(1634,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[1633]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SWC042+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
% 0.10/0.23  % Computer : n011.cluster.edu
% 0.10/0.23  % Model    : x86_64 x86_64
% 0.10/0.23  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.23  % Memory   : 8046.5625MB
% 0.10/0.23  % OS       : Linux 6.8.0-71-generic
% 0.10/0.23  % CPULimit : 300
% 0.10/0.23  % WCLimit  : 300
% 0.10/0.23  % DateTime : Tue Oct  6 15:58:06 UTC 2026
% 0.10/0.23  % CPUTime  : 
% 0.10/0.23  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 9.97/2.00  .
% 9.97/2.00  
% 9.97/2.00   No.of.Axioms: 89
% 9.97/2.00  
% 9.97/2.00   Length.of.Defs: 0
% 9.97/2.00  
% 9.97/2.00   Contains.Choice.Funs: false
% 9.97/2.00  ...............................................................
% 9.97/2.00  
% 9.97/2.00  ********************************
% 9.97/2.00  *   All subproblems solved!    *
% 9.97/2.00  ********************************
% 9.97/2.00  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:90,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:1633,loop_count:0,foatp_calls:1,translation:fof_full)
% 9.97/2.00  
% 9.97/2.00  %**** Beginning of derivation protocol ****
% 9.97/2.00  % SZS output start CNFRefutation
% See solution above
% 9.97/2.01  
% 9.97/2.01  %**** End of derivation protocol ****
% 9.97/2.01  %**** no. of clauses in derivation: 1628 ****
% 9.97/2.01  %**** clause counter: 1633 ****
% 9.97/2.01  
% 9.97/2.01  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:90,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:1633,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------