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LEO-II---2.3.1.UNS-CRf.s

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SWC010-1 : 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/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p

% Computer : n001.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 10:51:07 AM UTC 2026

% Result   : Unsatisfiable 16.84s 3.08s
% Output   : CNFRefutation 16.84s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   30
%            Number of leaves      :  208
% Syntax   : Number of formulae    : 1919 ( 863 unt;   0 typ;   0 def)
%            Number of atoms       : 16304 (5363 equ;   0 cnn)
%            Maximal formula atoms :   10 (   8 avg)
%            Number of connectives : 24923 (4378   ~;6445   |;   0   &;14100   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   78 (  75 usr;  12 con; 0-2 aty)
%            Number of variables   : 4420 (   0   ^;4420   !;   0   ?;4420   :)

% 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_segmentP,type,
    segmentP: $i > $i > $o ).

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

thf(tp_sk1,type,
    sk1: $i ).

thf(tp_sk2,type,
    sk2: $i ).

thf(tp_sk3,type,
    sk3: $i ).

thf(tp_sk4,type,
    sk4: $i ).

thf(tp_sk5,type,
    sk5: $i ).

thf(tp_sk6,type,
    sk6: $i ).

thf(tp_sk7,type,
    sk7: $i ).

thf(tp_skac2,type,
    skac2: $i ).

thf(tp_skac3,type,
    skac3: $i ).

thf(tp_skaf42,type,
    skaf42: $i > $i > $i ).

thf(tp_skaf43,type,
    skaf43: $i > $i > $i ).

thf(tp_skaf44,type,
    skaf44: $i > $i ).

thf(tp_skaf45,type,
    skaf45: $i > $i > $i ).

thf(tp_skaf46,type,
    skaf46: $i > $i > $i ).

thf(tp_skaf47,type,
    skaf47: $i > $i > $i ).

thf(tp_skaf48,type,
    skaf48: $i > $i > $i ).

thf(tp_skaf49,type,
    skaf49: $i > $i ).

thf(tp_skaf50,type,
    skaf50: $i > $i ).

thf(tp_skaf51,type,
    skaf51: $i > $i ).

thf(tp_skaf52,type,
    skaf52: $i > $i ).

thf(tp_skaf53,type,
    skaf53: $i > $i ).

thf(tp_skaf54,type,
    skaf54: $i > $i ).

thf(tp_skaf55,type,
    skaf55: $i > $i ).

thf(tp_skaf56,type,
    skaf56: $i > $i ).

thf(tp_skaf57,type,
    skaf57: $i > $i ).

thf(tp_skaf58,type,
    skaf58: $i > $i ).

thf(tp_skaf59,type,
    skaf59: $i > $i ).

thf(tp_skaf60,type,
    skaf60: $i > $i ).

thf(tp_skaf61,type,
    skaf61: $i > $i ).

thf(tp_skaf62,type,
    skaf62: $i > $i ).

thf(tp_skaf63,type,
    skaf63: $i > $i ).

thf(tp_skaf64,type,
    skaf64: $i > $i ).

thf(tp_skaf65,type,
    skaf65: $i > $i ).

thf(tp_skaf66,type,
    skaf66: $i > $i ).

thf(tp_skaf67,type,
    skaf67: $i > $i ).

thf(tp_skaf68,type,
    skaf68: $i > $i ).

thf(tp_skaf69,type,
    skaf69: $i > $i ).

thf(tp_skaf70,type,
    skaf70: $i > $i ).

thf(tp_skaf71,type,
    skaf71: $i > $i ).

thf(tp_skaf72,type,
    skaf72: $i > $i ).

thf(tp_skaf73,type,
    skaf73: $i > $i ).

thf(tp_skaf74,type,
    skaf74: $i > $i ).

thf(tp_skaf75,type,
    skaf75: $i > $i ).

thf(tp_skaf76,type,
    skaf76: $i > $i ).

thf(tp_skaf77,type,
    skaf77: $i > $i ).

thf(tp_skaf78,type,
    skaf78: $i > $i ).

thf(tp_skaf79,type,
    skaf79: $i > $i ).

thf(tp_skaf80,type,
    skaf80: $i > $i ).

thf(tp_skaf81,type,
    skaf81: $i > $i ).

thf(tp_skaf82,type,
    skaf82: $i > $i ).

thf(tp_skaf83,type,
    skaf83: $i > $i ).

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,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
      ( ~ ( leq @ U @ V )
      | ~ ( leq @ V @ U )
      | ( ( app @ ( app @ W @ ( cons @ U @ X ) ) @ ( cons @ V @ Y ) )
       != Z )
      | ~ ( ssList @ Y )
      | ~ ( ssList @ X )
      | ~ ( ssList @ W )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ~ ( cyclefreeP @ Z )
      | ~ ( ssList @ Z ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause185) ).

thf(2,axiom,
    ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
      ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
       != Z )
      | ~ ( ssList @ Y )
      | ~ ( ssList @ W )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ X )
      | ~ ( ssItem @ V )
      | ~ ( totalorderP @ Z )
      | ~ ( ssList @ Z )
      | ( leq @ V @ X )
      | ( leq @ X @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause184) ).

thf(3,axiom,
    ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
      ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
       != Z )
      | ~ ( ssList @ Y )
      | ~ ( ssList @ W )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ X )
      | ~ ( ssItem @ V )
      | ~ ( strictorderP @ Z )
      | ~ ( ssList @ Z )
      | ( lt @ V @ X )
      | ( lt @ X @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause183) ).

thf(4,axiom,
    ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
      ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
       != Z )
      | ~ ( ssList @ Y )
      | ~ ( ssList @ W )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ X )
      | ~ ( ssItem @ V )
      | ~ ( totalorderedP @ Z )
      | ~ ( ssList @ Z )
      | ( leq @ V @ X ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause182) ).

thf(5,axiom,
    ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
      ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
       != Z )
      | ~ ( ssList @ Y )
      | ~ ( ssList @ W )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ X )
      | ~ ( ssItem @ V )
      | ~ ( strictorderedP @ Z )
      | ~ ( ssList @ Z )
      | ( lt @ V @ X ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause181) ).

thf(6,axiom,
    ! [U: $i,V: $i,W: $i,X: $i,Y: $i] :
      ( ( ( app @ U @ ( cons @ V @ ( cons @ W @ X ) ) )
       != Y )
      | ~ ( ssList @ X )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ V )
      | ~ ( equalelemsP @ Y )
      | ~ ( ssList @ Y )
      | ( V = W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause180) ).

thf(7,axiom,
    ! [U: $i,V: $i,W: $i,X: $i,Y: $i] :
      ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ V @ X ) )
       != Y )
      | ~ ( ssList @ X )
      | ~ ( ssList @ W )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ V )
      | ~ ( duplicatefreeP @ Y )
      | ~ ( ssList @ Y ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause179) ).

thf(8,axiom,
    ! [U: $i,V: $i,W: $i,X: $i] :
      ( ~ ( frontsegP @ U @ V )
      | ( W != X )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ X )
      | ~ ( ssItem @ W )
      | ( frontsegP @ ( cons @ W @ U ) @ ( cons @ X @ V ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause178) ).

thf(9,axiom,
    ! [U: $i,V: $i] :
      ( ( ( tl @ U )
       != ( tl @ V ) )
      | ( ( hd @ U )
       != ( hd @ V ) )
      | ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ( nil = V )
      | ( U = V )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause177) ).

thf(10,axiom,
    ! [U: $i,V: $i,W: $i,X: $i] :
      ( ~ ( frontsegP @ ( cons @ U @ V ) @ ( cons @ W @ X ) )
      | ~ ( ssList @ X )
      | ~ ( ssList @ V )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ U )
      | ( U = W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause176) ).

thf(11,axiom,
    ! [U: $i,V: $i,W: $i,X: $i] :
      ( ( ( app @ U @ ( cons @ V @ W ) )
       != X )
      | ~ ( ssList @ W )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ V )
      | ~ ( ssList @ X )
      | ( memberP @ X @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause175) ).

thf(12,axiom,
    ! [U: $i,V: $i,W: $i,X: $i] :
      ( ~ ( frontsegP @ ( cons @ U @ V ) @ ( cons @ W @ X ) )
      | ~ ( ssList @ X )
      | ~ ( ssList @ V )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ U )
      | ( frontsegP @ V @ X ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause174) ).

thf(13,axiom,
    ! [U: $i,V: $i,W: $i,X: $i] :
      ( ( ( app @ ( app @ U @ V ) @ W )
       != X )
      | ~ ( ssList @ W )
      | ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ~ ( ssList @ X )
      | ( segmentP @ X @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause173) ).

thf(14,axiom,
    ! [U: $i,V: $i,W: $i,X: $i] :
      ( ~ ( segmentP @ U @ V )
      | ~ ( ssList @ W )
      | ~ ( ssList @ X )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( segmentP @ ( app @ ( app @ X @ U ) @ W ) @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause172) ).

thf(15,axiom,
    ! [U: $i,V: $i,W: $i,X: $i] :
      ( ( ( cons @ U @ V )
       != ( cons @ W @ X ) )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ U )
      | ~ ( ssList @ X )
      | ~ ( ssList @ V )
      | ( X = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause171) ).

thf(16,axiom,
    ! [U: $i,V: $i,W: $i,X: $i] :
      ( ( ( cons @ U @ V )
       != ( cons @ W @ X ) )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ U )
      | ~ ( ssList @ X )
      | ~ ( ssList @ V )
      | ( U = W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause170) ).

thf(17,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( memberP @ U @ V )
      | ~ ( ssItem @ V )
      | ~ ( ssList @ U )
      | ( ( app @ ( skaf42 @ U @ V ) @ ( cons @ V @ ( skaf43 @ V @ U ) ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause169) ).

thf(18,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( segmentP @ U @ V )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( ( app @ ( app @ ( skaf47 @ U @ V ) @ V ) @ ( skaf48 @ V @ U ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause168) ).

thf(19,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( cyclefreeP @ U )
      | ( ( app @ ( app @ ( skaf51 @ U ) @ ( cons @ ( skaf49 @ U ) @ ( skaf52 @ U ) ) ) @ ( cons @ ( skaf50 @ U ) @ ( skaf53 @ U ) ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause167) ).

thf(20,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( totalorderP @ U )
      | ( ( app @ ( app @ ( skaf56 @ U ) @ ( cons @ ( skaf54 @ U ) @ ( skaf57 @ U ) ) ) @ ( cons @ ( skaf55 @ U ) @ ( skaf58 @ U ) ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause166) ).

thf(21,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( strictorderP @ U )
      | ( ( app @ ( app @ ( skaf61 @ U ) @ ( cons @ ( skaf59 @ U ) @ ( skaf62 @ U ) ) ) @ ( cons @ ( skaf60 @ U ) @ ( skaf63 @ U ) ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause165) ).

thf(22,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( totalorderedP @ U )
      | ( ( app @ ( app @ ( skaf66 @ U ) @ ( cons @ ( skaf64 @ U ) @ ( skaf67 @ U ) ) ) @ ( cons @ ( skaf65 @ U ) @ ( skaf68 @ U ) ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause164) ).

thf(23,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( strictorderedP @ U )
      | ( ( app @ ( app @ ( skaf71 @ U ) @ ( cons @ ( skaf69 @ U ) @ ( skaf72 @ U ) ) ) @ ( cons @ ( skaf70 @ U ) @ ( skaf73 @ U ) ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause163) ).

thf(24,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( duplicatefreeP @ U )
      | ( ( app @ ( app @ ( skaf75 @ U ) @ ( cons @ ( skaf74 @ U ) @ ( skaf76 @ U ) ) ) @ ( cons @ ( skaf74 @ U ) @ ( skaf77 @ U ) ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause162) ).

thf(25,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( memberP @ ( cons @ U @ V ) @ W )
      | ~ ( ssList @ V )
      | ~ ( ssItem @ U )
      | ~ ( ssItem @ W )
      | ( memberP @ V @ W )
      | ( W = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause161) ).

thf(26,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( lt @ U @ ( hd @ V ) )
      | ~ ( strictorderedP @ V )
      | ~ ( ssList @ V )
      | ~ ( ssItem @ U )
      | ( strictorderedP @ ( cons @ U @ V ) )
      | ( nil = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause160) ).

thf(27,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( leq @ U @ ( hd @ V ) )
      | ~ ( totalorderedP @ V )
      | ~ ( ssList @ V )
      | ~ ( ssItem @ U )
      | ( totalorderedP @ ( cons @ U @ V ) )
      | ( nil = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause159) ).

thf(28,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( memberP @ ( app @ U @ V ) @ W )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ W )
      | ( memberP @ V @ W )
      | ( memberP @ U @ W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause158) ).

thf(29,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( ssItem @ U )
      | ~ ( ssList @ V )
      | ~ ( ssList @ W )
      | ( ( cons @ U @ ( app @ V @ W ) )
        = ( app @ ( cons @ U @ V ) @ W ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause157) ).

thf(30,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( leq @ U @ V )
      | ~ ( leq @ V @ W )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( leq @ U @ W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause156) ).

thf(31,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( lt @ U @ V )
      | ~ ( lt @ V @ W )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( lt @ U @ W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause155) ).

thf(32,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( frontsegP @ U @ V )
      | ~ ( frontsegP @ V @ W )
      | ~ ( ssList @ W )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( frontsegP @ U @ W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause154) ).

thf(33,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( rearsegP @ U @ V )
      | ~ ( rearsegP @ V @ W )
      | ~ ( ssList @ W )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( rearsegP @ U @ W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause153) ).

thf(34,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( segmentP @ U @ V )
      | ~ ( segmentP @ V @ W )
      | ~ ( ssList @ W )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( segmentP @ U @ W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause152) ).

thf(35,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ( ( app @ U @ V )
       != ( app @ W @ V ) )
      | ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ~ ( ssList @ W )
      | ( U = W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause151) ).

thf(36,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ( ( app @ U @ V )
       != ( app @ U @ W ) )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ~ ( ssList @ W )
      | ( V = W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause150) ).

thf(37,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ~ ( ssList @ W )
      | ( ( app @ ( app @ W @ V ) @ U )
        = ( app @ W @ ( app @ V @ U ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause149) ).

thf(38,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( geq @ U @ V )
      | ~ ( geq @ V @ W )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( geq @ U @ W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause148) ).

thf(39,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( leq @ U @ V )
      | ~ ( lt @ V @ W )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( lt @ U @ W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause147) ).

thf(40,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( gt @ U @ V )
      | ~ ( gt @ V @ W )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( gt @ U @ W ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause146) ).

thf(41,axiom,
    ! [U: $i,V: $i] :
      ( ( nil != U )
      | ( nil != V )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( ( app @ U @ V )
        = nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause145) ).

thf(42,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ( ( app @ U @ V )
       != W )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ~ ( ssList @ W )
      | ( frontsegP @ W @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause144) ).

thf(43,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ( ( app @ U @ V )
       != W )
      | ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ~ ( ssList @ W )
      | ( rearsegP @ W @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause143) ).

thf(44,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( equalelemsP @ U )
      | ( ( app @ ( skaf80 @ U ) @ ( cons @ ( skaf78 @ U ) @ ( cons @ ( skaf79 @ U ) @ ( skaf81 @ U ) ) ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause142) ).

thf(45,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( memberP @ U @ V )
      | ~ ( ssList @ U )
      | ~ ( ssList @ W )
      | ~ ( ssItem @ V )
      | ( memberP @ ( app @ W @ U ) @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause141) ).

thf(46,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( memberP @ U @ V )
      | ~ ( ssList @ W )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ V )
      | ( memberP @ ( app @ U @ W ) @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause140) ).

thf(47,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( memberP @ U @ V )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ W )
      | ~ ( ssItem @ V )
      | ( memberP @ ( cons @ W @ U ) @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause139) ).

thf(48,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ( U != V )
      | ~ ( ssList @ W )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( memberP @ ( cons @ V @ W ) @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause138) ).

thf(49,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( frontsegP @ U @ V )
      | ~ ( ssList @ W )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( frontsegP @ ( app @ U @ W ) @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause137) ).

thf(50,axiom,
    ! [U: $i,V: $i,W: $i] :
      ( ~ ( rearsegP @ U @ V )
      | ~ ( ssList @ W )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( rearsegP @ ( app @ W @ U ) @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause136) ).

thf(51,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( totalorderedP @ ( cons @ U @ V ) )
      | ~ ( ssList @ V )
      | ~ ( ssItem @ U )
      | ( leq @ U @ ( hd @ V ) )
      | ( nil = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause135) ).

thf(52,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( strictorderedP @ ( cons @ U @ V ) )
      | ~ ( ssList @ V )
      | ~ ( ssItem @ U )
      | ( lt @ U @ ( hd @ V ) )
      | ( nil = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause134) ).

thf(53,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ( nil = V )
      | ( ( tl @ ( app @ V @ U ) )
        = ( app @ ( tl @ V ) @ U ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause133) ).

thf(54,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( frontsegP @ U @ V )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( ( app @ V @ ( skaf45 @ U @ V ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause132) ).

thf(55,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( rearsegP @ U @ V )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( ( app @ ( skaf46 @ U @ V ) @ V )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause131) ).

thf(56,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( leq @ U @ V )
      | ~ ( leq @ V @ U )
      | ~ ( ssItem @ U )
      | ~ ( ssItem @ V )
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause130) ).

thf(57,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( frontsegP @ U @ V )
      | ~ ( frontsegP @ V @ U )
      | ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause129) ).

thf(58,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( rearsegP @ U @ V )
      | ~ ( rearsegP @ V @ U )
      | ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause128) ).

thf(59,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( segmentP @ U @ V )
      | ~ ( segmentP @ V @ U )
      | ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause127) ).

thf(60,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( geq @ U @ V )
      | ~ ( geq @ V @ U )
      | ~ ( ssItem @ U )
      | ~ ( ssItem @ V )
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause126) ).

thf(61,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( totalorderedP @ ( cons @ U @ V ) )
      | ~ ( ssList @ V )
      | ~ ( ssItem @ U )
      | ( totalorderedP @ V )
      | ( nil = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause125) ).

thf(62,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( strictorderedP @ ( cons @ U @ V ) )
      | ~ ( ssList @ V )
      | ~ ( ssItem @ U )
      | ( strictorderedP @ V )
      | ( nil = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause124) ).

thf(63,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ( nil = V )
      | ( ( hd @ ( app @ V @ U ) )
        = ( hd @ V ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause123) ).

thf(64,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( leq @ U @ V )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( lt @ U @ V )
      | ( U = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause122) ).

thf(65,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( leq @ U @ V )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( lt @ U @ V )
      | ( U = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause121) ).

thf(66,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssItem @ U )
      | ~ ( ssList @ V )
      | ( ( app @ ( cons @ U @ nil ) @ V )
        = ( cons @ U @ V ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause120) ).

thf(67,axiom,
    ! [U: $i,V: $i] :
      ( ( ( app @ U @ V )
       != nil )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( nil = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause119) ).

thf(68,axiom,
    ! [U: $i,V: $i] :
      ( ( ( app @ U @ V )
       != nil )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause118) ).

thf(69,axiom,
    ! [U: $i,V: $i] :
      ( ( U != V )
      | ~ ( neq @ U @ V )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause117) ).

thf(70,axiom,
    ! [U: $i,V: $i] :
      ( ( ( cons @ U @ nil )
       != V )
      | ~ ( ssItem @ U )
      | ~ ( ssList @ V )
      | ( singletonP @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause116) ).

thf(71,axiom,
    ! [U: $i,V: $i] :
      ( ( U != V )
      | ~ ( neq @ U @ V )
      | ~ ( ssList @ V )
      | ~ ( ssList @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause115) ).

thf(72,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( lt @ U @ V )
      | ~ ( lt @ V @ U )
      | ~ ( ssItem @ U )
      | ~ ( ssItem @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause114) ).

thf(73,axiom,
    ! [U: $i,V: $i] :
      ( ( nil != U )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ V )
      | ( totalorderedP @ ( cons @ V @ U ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause113) ).

thf(74,axiom,
    ! [U: $i,V: $i] :
      ( ( nil != U )
      | ~ ( ssList @ U )
      | ~ ( ssItem @ V )
      | ( strictorderedP @ ( cons @ V @ U ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause112) ).

thf(75,axiom,
    ! [U: $i,V: $i] :
      ( ( U != V )
      | ~ ( lt @ U @ V )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause111) ).

thf(76,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( gt @ U @ V )
      | ~ ( gt @ V @ U )
      | ~ ( ssItem @ U )
      | ~ ( ssItem @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause110) ).

thf(77,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( ( cons @ ( skaf83 @ U ) @ ( skaf82 @ U ) )
        = U )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause109) ).

thf(78,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( leq @ U @ V )
      | ~ ( ssItem @ U )
      | ~ ( ssItem @ V )
      | ( geq @ V @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause108) ).

thf(79,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( geq @ U @ V )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( leq @ V @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause107) ).

thf(80,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( lt @ U @ V )
      | ~ ( ssItem @ U )
      | ~ ( ssItem @ V )
      | ( gt @ V @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause106) ).

thf(81,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( gt @ U @ V )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( lt @ V @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause105) ).

thf(82,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( ( cons @ ( hd @ U ) @ ( tl @ U ) )
        = U )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause104) ).

thf(83,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( lt @ U @ V )
      | ~ ( ssItem @ V )
      | ~ ( ssItem @ U )
      | ( leq @ U @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause103) ).

thf(84,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssItem @ U )
      | ~ ( ssItem @ V )
      | ( neq @ V @ U )
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause102) ).

thf(85,axiom,
    ! [U: $i] :
      ( ~ ( singletonP @ U )
      | ~ ( ssList @ U )
      | ( ( cons @ ( skaf44 @ U ) @ nil )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause101) ).

thf(86,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ( neq @ V @ U )
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause100) ).

thf(87,axiom,
    ! [U: $i,V: $i] :
      ( ( ( cons @ U @ V )
       != V )
      | ~ ( ssItem @ U )
      | ~ ( ssList @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause99) ).

thf(88,axiom,
    ! [U: $i,V: $i] :
      ( ( ( cons @ U @ V )
       != nil )
      | ~ ( ssItem @ U )
      | ~ ( ssList @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause98) ).

thf(89,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssItem @ U )
      | ~ ( ssList @ V )
      | ( ( hd @ ( cons @ U @ V ) )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause97) ).

thf(90,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssItem @ U )
      | ~ ( ssList @ V )
      | ( ( tl @ ( cons @ U @ V ) )
        = V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause96) ).

thf(91,axiom,
    ! [U: $i] :
      ( ~ ( leq @ ( skaf54 @ U ) @ ( skaf55 @ U ) )
      | ~ ( ssList @ U )
      | ( totalorderP @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause95) ).

thf(92,axiom,
    ! [U: $i] :
      ( ~ ( leq @ ( skaf55 @ U ) @ ( skaf54 @ U ) )
      | ~ ( ssList @ U )
      | ( totalorderP @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause94) ).

thf(93,axiom,
    ! [U: $i] :
      ( ~ ( lt @ ( skaf59 @ U ) @ ( skaf60 @ U ) )
      | ~ ( ssList @ U )
      | ( strictorderP @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause93) ).

thf(94,axiom,
    ! [U: $i] :
      ( ~ ( lt @ ( skaf60 @ U ) @ ( skaf59 @ U ) )
      | ~ ( ssList @ U )
      | ( strictorderP @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause92) ).

thf(95,axiom,
    ! [U: $i] :
      ( ~ ( leq @ ( skaf64 @ U ) @ ( skaf65 @ U ) )
      | ~ ( ssList @ U )
      | ( totalorderedP @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause91) ).

thf(96,axiom,
    ! [U: $i] :
      ( ~ ( lt @ ( skaf69 @ U ) @ ( skaf70 @ U ) )
      | ~ ( ssList @ U )
      | ( strictorderedP @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause90) ).

thf(97,axiom,
    ! [U: $i] :
      ( ( ( skaf79 @ U )
       != ( skaf78 @ U ) )
      | ~ ( ssList @ U )
      | ( equalelemsP @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause89) ).

thf(98,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( cyclefreeP @ U )
      | ( leq @ ( skaf49 @ U ) @ ( skaf50 @ U ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause88) ).

thf(99,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( cyclefreeP @ U )
      | ( leq @ ( skaf50 @ U ) @ ( skaf49 @ U ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause87) ).

thf(100,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssItem @ U )
      | ~ ( ssList @ V )
      | ( ssList @ ( cons @ U @ V ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause86) ).

thf(101,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssList @ U )
      | ~ ( ssList @ V )
      | ( ssList @ ( app @ V @ U ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause85) ).

thf(102,axiom,
    ! [U: $i] :
      ( ~ ( frontsegP @ nil @ U )
      | ~ ( ssList @ U )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause84) ).

thf(103,axiom,
    ! [U: $i] :
      ( ( nil != U )
      | ~ ( ssList @ U )
      | ( frontsegP @ nil @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause83) ).

thf(104,axiom,
    ! [U: $i] :
      ( ~ ( rearsegP @ nil @ U )
      | ~ ( ssList @ U )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause82) ).

thf(105,axiom,
    ! [U: $i] :
      ( ( nil != U )
      | ~ ( ssList @ U )
      | ( rearsegP @ nil @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause81) ).

thf(106,axiom,
    ! [U: $i] :
      ( ~ ( segmentP @ nil @ U )
      | ~ ( ssList @ U )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause80) ).

thf(107,axiom,
    ! [U: $i] :
      ( ( nil != U )
      | ~ ( ssList @ U )
      | ( segmentP @ nil @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause79) ).

thf(108,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( ssItem @ ( hd @ U ) )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause78) ).

thf(109,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( ssList @ ( tl @ U ) )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause77) ).

thf(110,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( ssItem @ ( hd @ U ) )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause76) ).

thf(111,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( ssList @ ( tl @ U ) )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause75) ).

thf(112,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( ( app @ nil @ U )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause74) ).

thf(113,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( ( app @ U @ nil )
        = U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause73) ).

thf(114,axiom,
    ! [U: $i,V: $i] :
      ( ~ ( ssList @ U )
      | ( duplicatefreeP @ U )
      | ( ssItem @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause72) ).

thf(115,axiom,
    ! [U: $i] :
      ( ~ ( memberP @ nil @ U )
      | ~ ( ssItem @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause71) ).

thf(116,axiom,
    ! [U: $i] :
      ( ~ ( ssItem @ U )
      | ( cyclefreeP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause70) ).

thf(117,axiom,
    ! [U: $i] :
      ( ~ ( ssItem @ U )
      | ( totalorderP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause69) ).

thf(118,axiom,
    ! [U: $i] :
      ( ~ ( ssItem @ U )
      | ( strictorderP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause68) ).

thf(119,axiom,
    ! [U: $i] :
      ( ~ ( ssItem @ U )
      | ( totalorderedP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause67) ).

thf(120,axiom,
    ! [U: $i] :
      ( ~ ( ssItem @ U )
      | ( strictorderedP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause66) ).

thf(121,axiom,
    ! [U: $i] :
      ( ~ ( ssItem @ U )
      | ( duplicatefreeP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause65) ).

thf(122,axiom,
    ! [U: $i] :
      ( ~ ( ssItem @ U )
      | ( equalelemsP @ ( cons @ U @ nil ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause64) ).

thf(123,axiom,
    ! [U: $i] :
      ( ~ ( lt @ U @ U )
      | ~ ( ssItem @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause63) ).

thf(124,axiom,
    ! [U: $i] :
      ( ~ ( ssItem @ U )
      | ( leq @ U @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause62) ).

thf(125,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( frontsegP @ U @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause61) ).

thf(126,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( frontsegP @ U @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause60) ).

thf(127,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( rearsegP @ U @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause59) ).

thf(128,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( rearsegP @ U @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause58) ).

thf(129,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( segmentP @ U @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause57) ).

thf(130,axiom,
    ! [U: $i] :
      ( ~ ( ssList @ U )
      | ( segmentP @ U @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause56) ).

thf(131,axiom,
    ! [U: $i] :
      ( ~ ( ssItem @ U )
      | ( geq @ U @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause55) ).

thf(132,axiom,
    skac3 != skac2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause54) ).

thf(133,axiom,
    ! [U: $i,V: $i] : ( ssList @ ( skaf42 @ U @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause53) ).

thf(134,axiom,
    ! [U: $i,V: $i] : ( ssList @ ( skaf43 @ U @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause52) ).

thf(135,axiom,
    ! [U: $i,V: $i] : ( ssList @ ( skaf45 @ U @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause51) ).

thf(136,axiom,
    ! [U: $i,V: $i] : ( ssList @ ( skaf46 @ U @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause50) ).

thf(137,axiom,
    ! [U: $i,V: $i] : ( ssList @ ( skaf47 @ U @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause49) ).

thf(138,axiom,
    ! [U: $i,V: $i] : ( ssList @ ( skaf48 @ U @ V ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause48) ).

thf(139,axiom,
    ! [U: $i] : ( ssItem @ ( skaf44 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause47) ).

thf(140,axiom,
    ! [U: $i] : ( ssItem @ ( skaf49 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause46) ).

thf(141,axiom,
    ! [U: $i] : ( ssItem @ ( skaf50 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause45) ).

thf(142,axiom,
    ! [U: $i] : ( ssList @ ( skaf51 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause44) ).

thf(143,axiom,
    ! [U: $i] : ( ssList @ ( skaf52 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause43) ).

thf(144,axiom,
    ! [U: $i] : ( ssList @ ( skaf53 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause42) ).

thf(145,axiom,
    ! [U: $i] : ( ssItem @ ( skaf54 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause41) ).

thf(146,axiom,
    ! [U: $i] : ( ssItem @ ( skaf55 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause40) ).

thf(147,axiom,
    ! [U: $i] : ( ssList @ ( skaf56 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause39) ).

thf(148,axiom,
    ! [U: $i] : ( ssList @ ( skaf57 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause38) ).

thf(149,axiom,
    ! [U: $i] : ( ssList @ ( skaf58 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause37) ).

thf(150,axiom,
    ! [U: $i] : ( ssItem @ ( skaf59 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause36) ).

thf(151,axiom,
    ! [U: $i] : ( ssItem @ ( skaf60 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause35) ).

thf(152,axiom,
    ! [U: $i] : ( ssList @ ( skaf61 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause34) ).

thf(153,axiom,
    ! [U: $i] : ( ssList @ ( skaf62 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause33) ).

thf(154,axiom,
    ! [U: $i] : ( ssList @ ( skaf63 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause32) ).

thf(155,axiom,
    ! [U: $i] : ( ssItem @ ( skaf64 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause31) ).

thf(156,axiom,
    ! [U: $i] : ( ssItem @ ( skaf65 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause30) ).

thf(157,axiom,
    ! [U: $i] : ( ssList @ ( skaf66 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause29) ).

thf(158,axiom,
    ! [U: $i] : ( ssList @ ( skaf67 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause28) ).

thf(159,axiom,
    ! [U: $i] : ( ssList @ ( skaf68 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause27) ).

thf(160,axiom,
    ! [U: $i] : ( ssItem @ ( skaf69 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause26) ).

thf(161,axiom,
    ! [U: $i] : ( ssItem @ ( skaf70 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause25) ).

thf(162,axiom,
    ! [U: $i] : ( ssList @ ( skaf71 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause24) ).

thf(163,axiom,
    ! [U: $i] : ( ssList @ ( skaf72 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause23) ).

thf(164,axiom,
    ! [U: $i] : ( ssList @ ( skaf73 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause22) ).

thf(165,axiom,
    ! [U: $i] : ( ssItem @ ( skaf74 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause21) ).

thf(166,axiom,
    ! [U: $i] : ( ssList @ ( skaf75 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause20) ).

thf(167,axiom,
    ! [U: $i] : ( ssList @ ( skaf76 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause19) ).

thf(168,axiom,
    ! [U: $i] : ( ssList @ ( skaf77 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause18) ).

thf(169,axiom,
    ! [U: $i] : ( ssItem @ ( skaf78 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause17) ).

thf(170,axiom,
    ! [U: $i] : ( ssItem @ ( skaf79 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause16) ).

thf(171,axiom,
    ! [U: $i] : ( ssList @ ( skaf80 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause15) ).

thf(172,axiom,
    ! [U: $i] : ( ssList @ ( skaf81 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause14) ).

thf(173,axiom,
    ! [U: $i] : ( ssList @ ( skaf82 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause13) ).

thf(174,axiom,
    ! [U: $i] : ( ssItem @ ( skaf83 @ U ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause12) ).

thf(175,axiom,
    ~ ( singletonP @ nil ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause11) ).

thf(176,axiom,
    ssItem @ skac2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause10) ).

thf(177,axiom,
    ssItem @ skac3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause9) ).

thf(178,axiom,
    ssList @ nil,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause8) ).

thf(179,axiom,
    cyclefreeP @ nil,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause7) ).

thf(180,axiom,
    totalorderP @ nil,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause6) ).

thf(181,axiom,
    strictorderP @ nil,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause5) ).

thf(182,axiom,
    totalorderedP @ nil,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause4) ).

thf(183,axiom,
    strictorderedP @ nil,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause3) ).

thf(184,axiom,
    duplicatefreeP @ nil,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause2) ).

thf(185,axiom,
    equalelemsP @ nil,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause1) ).

thf(186,conjecture,
    $false,
    file('no conjecture given, we try to refute the axioms',dummy_conjecture) ).

thf(187,negated_conjecture,
    $false = $false,
    inference(negate_conjecture,[status(cth)],[186]) ).

thf(188,negated_conjecture,
    ! [A: $i] :
      ( ~ ( ssItem @ A )
      | ( sk5 = A )
      | ~ ( memberP @ sk4 @ A )
      | ~ ( geq @ A @ sk5 )
      | ~ ( neq @ sk4 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_22) ).

thf(189,negated_conjecture,
    ( ( ( app @ sk6 @ sk7 )
      = sk3 )
    | ~ ( neq @ sk4 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_21) ).

thf(190,negated_conjecture,
    ( ( ( app @ ( app @ sk6 @ ( cons @ sk5 @ nil ) ) @ sk7 )
      = sk4 )
    | ~ ( neq @ sk4 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_20) ).

thf(191,negated_conjecture,
    ( ( ssList @ sk7 )
    | ~ ( neq @ sk4 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_19) ).

thf(192,negated_conjecture,
    ( ( ssList @ sk6 )
    | ~ ( neq @ sk4 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_18) ).

thf(193,negated_conjecture,
    ( ( ssItem @ sk5 )
    | ~ ( neq @ sk4 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_17) ).

thf(194,negated_conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ~ ( ssItem @ A )
      | ~ ( ssList @ B )
      | ~ ( ssList @ C )
      | ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C )
       != sk2 )
      | ( ( app @ B @ C )
       != sk1 )
      | ~ ( neq @ sk4 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_16) ).

thf(195,negated_conjecture,
    ! [A: $i] :
      ( ~ ( ssItem @ A )
      | ( sk5 = A )
      | ~ ( memberP @ sk4 @ A )
      | ~ ( geq @ A @ sk5 )
      | ( neq @ sk2 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_15) ).

thf(196,negated_conjecture,
    ( ( ( app @ sk6 @ sk7 )
      = sk3 )
    | ( neq @ sk2 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).

thf(197,negated_conjecture,
    ( ( ( app @ ( app @ sk6 @ ( cons @ sk5 @ nil ) ) @ sk7 )
      = sk4 )
    | ( neq @ sk2 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_13) ).

thf(198,negated_conjecture,
    ( ( ssList @ sk7 )
    | ( neq @ sk2 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_12) ).

thf(199,negated_conjecture,
    ( ( ssList @ sk6 )
    | ( neq @ sk2 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_11) ).

thf(200,negated_conjecture,
    ( ( ssItem @ sk5 )
    | ( neq @ sk2 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_10) ).

thf(201,negated_conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ~ ( ssItem @ A )
      | ~ ( ssList @ B )
      | ~ ( ssList @ C )
      | ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C )
       != sk2 )
      | ( ( app @ B @ C )
       != sk1 )
      | ( neq @ sk2 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).

thf(202,negated_conjecture,
    ( ( neq @ sk2 @ nil )
    | ~ ( neq @ sk4 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).

thf(203,negated_conjecture,
    ( ( neq @ sk2 @ nil )
    | ( neq @ sk2 @ nil ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

thf(204,negated_conjecture,
    sk1 = sk3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).

thf(205,negated_conjecture,
    sk2 = sk4,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_5) ).

thf(206,negated_conjecture,
    ssList @ sk4,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_4) ).

thf(207,negated_conjecture,
    ssList @ sk3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_3) ).

thf(208,negated_conjecture,
    ssList @ sk2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_2) ).

thf(209,negated_conjecture,
    ssList @ sk1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_1) ).

thf(210,plain,
    $false = $false,
    inference(unfold_def,[status(thm)],[187]) ).

thf(211,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( leq @ V @ U )
          | ( ( app @ ( app @ W @ ( cons @ U @ X ) ) @ ( cons @ V @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ X )
          | ~ ( ssList @ W )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ~ ( cyclefreeP @ Z )
          | ~ ( ssList @ Z ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(212,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( totalorderP @ Z )
          | ~ ( ssList @ Z )
          | ( leq @ V @ X )
          | ( leq @ X @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(213,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( strictorderP @ Z )
          | ~ ( ssList @ Z )
          | ( lt @ V @ X )
          | ( lt @ X @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(214,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( totalorderedP @ Z )
          | ~ ( ssList @ Z )
          | ( leq @ V @ X ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(215,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( strictorderedP @ Z )
          | ~ ( ssList @ Z )
          | ( lt @ V @ X ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(216,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i] :
          ( ( ( app @ U @ ( cons @ V @ ( cons @ W @ X ) ) )
           != Y )
          | ~ ( ssList @ X )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ V )
          | ~ ( equalelemsP @ Y )
          | ~ ( ssList @ Y )
          | ( V = W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(217,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ V @ X ) )
           != Y )
          | ~ ( ssList @ X )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ V )
          | ~ ( duplicatefreeP @ Y )
          | ~ ( ssList @ Y ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(218,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ( W != X )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ W )
          | ( frontsegP @ ( cons @ W @ U ) @ ( cons @ X @ V ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(219,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( tl @ U )
           != ( tl @ V ) )
          | ( ( hd @ U )
           != ( hd @ V ) )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( nil = V )
          | ( U = V )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(220,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ~ ( frontsegP @ ( cons @ U @ V ) @ ( cons @ W @ X ) )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ( U = W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(221,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( app @ U @ ( cons @ V @ W ) )
           != X )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ V )
          | ~ ( ssList @ X )
          | ( memberP @ X @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(222,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ~ ( frontsegP @ ( cons @ U @ V ) @ ( cons @ W @ X ) )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ( frontsegP @ V @ X ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(223,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( app @ ( app @ U @ V ) @ W )
           != X )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ X )
          | ( segmentP @ X @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(224,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ~ ( segmentP @ U @ V )
          | ~ ( ssList @ W )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( segmentP @ ( app @ ( app @ X @ U ) @ W ) @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(225,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( cons @ U @ V )
           != ( cons @ W @ X ) )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ( X = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(226,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( cons @ U @ V )
           != ( cons @ W @ X ) )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ( U = W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(227,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( memberP @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssList @ U )
          | ( ( app @ ( skaf42 @ U @ V ) @ ( cons @ V @ ( skaf43 @ V @ U ) ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(228,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( segmentP @ U @ V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf47 @ U @ V ) @ V ) @ ( skaf48 @ V @ U ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(229,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( cyclefreeP @ U )
          | ( ( app @ ( app @ ( skaf51 @ U ) @ ( cons @ ( skaf49 @ U ) @ ( skaf52 @ U ) ) ) @ ( cons @ ( skaf50 @ U ) @ ( skaf53 @ U ) ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(230,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( totalorderP @ U )
          | ( ( app @ ( app @ ( skaf56 @ U ) @ ( cons @ ( skaf54 @ U ) @ ( skaf57 @ U ) ) ) @ ( cons @ ( skaf55 @ U ) @ ( skaf58 @ U ) ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(231,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( strictorderP @ U )
          | ( ( app @ ( app @ ( skaf61 @ U ) @ ( cons @ ( skaf59 @ U ) @ ( skaf62 @ U ) ) ) @ ( cons @ ( skaf60 @ U ) @ ( skaf63 @ U ) ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(232,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( totalorderedP @ U )
          | ( ( app @ ( app @ ( skaf66 @ U ) @ ( cons @ ( skaf64 @ U ) @ ( skaf67 @ U ) ) ) @ ( cons @ ( skaf65 @ U ) @ ( skaf68 @ U ) ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(233,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( strictorderedP @ U )
          | ( ( app @ ( app @ ( skaf71 @ U ) @ ( cons @ ( skaf69 @ U ) @ ( skaf72 @ U ) ) ) @ ( cons @ ( skaf70 @ U ) @ ( skaf73 @ U ) ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(234,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( duplicatefreeP @ U )
          | ( ( app @ ( app @ ( skaf75 @ U ) @ ( cons @ ( skaf74 @ U ) @ ( skaf76 @ U ) ) ) @ ( cons @ ( skaf74 @ U ) @ ( skaf77 @ U ) ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(235,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( memberP @ ( cons @ U @ V ) @ W )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ W )
          | ( memberP @ V @ W )
          | ( W = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(236,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ ( hd @ V ) )
          | ~ ( strictorderedP @ V )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( strictorderedP @ ( cons @ U @ V ) )
          | ( nil = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(237,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ ( hd @ V ) )
          | ~ ( totalorderedP @ V )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( totalorderedP @ ( cons @ U @ V ) )
          | ( nil = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(238,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( memberP @ ( app @ U @ V ) @ W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ W )
          | ( memberP @ V @ W )
          | ( memberP @ U @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(239,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( ssItem @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ W )
          | ( ( cons @ U @ ( app @ V @ W ) )
            = ( app @ ( cons @ U @ V ) @ W ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(240,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( leq @ V @ W )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( leq @ U @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(241,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( lt @ U @ V )
          | ~ ( lt @ V @ W )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( lt @ U @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(242,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ~ ( frontsegP @ V @ W )
          | ~ ( ssList @ W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( frontsegP @ U @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(243,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ~ ( rearsegP @ V @ W )
          | ~ ( ssList @ W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( rearsegP @ U @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(244,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( segmentP @ U @ V )
          | ~ ( segmentP @ V @ W )
          | ~ ( ssList @ W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( segmentP @ U @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(245,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != ( app @ W @ V ) )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ W )
          | ( U = W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(246,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != ( app @ U @ W ) )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ~ ( ssList @ W )
          | ( V = W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(247,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ W )
          | ( ( app @ ( app @ W @ V ) @ U )
            = ( app @ W @ ( app @ V @ U ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(248,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( geq @ U @ V )
          | ~ ( geq @ V @ W )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( geq @ U @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(249,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( lt @ V @ W )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( lt @ U @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(250,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( gt @ U @ V )
          | ~ ( gt @ V @ W )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( gt @ U @ W ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(251,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( nil != U )
          | ( nil != V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( ( app @ U @ V )
            = nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(252,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ~ ( ssList @ W )
          | ( frontsegP @ W @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

thf(253,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != W )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ W )
          | ( rearsegP @ W @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(254,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( equalelemsP @ U )
          | ( ( app @ ( skaf80 @ U ) @ ( cons @ ( skaf78 @ U ) @ ( cons @ ( skaf79 @ U ) @ ( skaf81 @ U ) ) ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[44]) ).

thf(255,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( memberP @ U @ V )
          | ~ ( ssList @ U )
          | ~ ( ssList @ W )
          | ~ ( ssItem @ V )
          | ( memberP @ ( app @ W @ U ) @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(256,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( memberP @ U @ V )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ V )
          | ( memberP @ ( app @ U @ W ) @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(257,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( memberP @ U @ V )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ V )
          | ( memberP @ ( cons @ W @ U ) @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[47]) ).

thf(258,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( U != V )
          | ~ ( ssList @ W )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( memberP @ ( cons @ V @ W ) @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(259,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ~ ( ssList @ W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( frontsegP @ ( app @ U @ W ) @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[49]) ).

thf(260,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ~ ( ssList @ W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( rearsegP @ ( app @ W @ U ) @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[50]) ).

thf(261,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( totalorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( leq @ U @ ( hd @ V ) )
          | ( nil = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[51]) ).

thf(262,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( strictorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( lt @ U @ ( hd @ V ) )
          | ( nil = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(263,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( nil = V )
          | ( ( tl @ ( app @ V @ U ) )
            = ( app @ ( tl @ V ) @ U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[53]) ).

thf(264,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( ( app @ V @ ( skaf45 @ U @ V ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[54]) ).

thf(265,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( ( app @ ( skaf46 @ U @ V ) @ V )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[55]) ).

thf(266,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( leq @ V @ U )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V )
          | ( V = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[56]) ).

thf(267,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ~ ( frontsegP @ V @ U )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( V = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[57]) ).

thf(268,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ~ ( rearsegP @ V @ U )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( V = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[58]) ).

thf(269,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( segmentP @ U @ V )
          | ~ ( segmentP @ V @ U )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( V = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[59]) ).

thf(270,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( geq @ U @ V )
          | ~ ( geq @ V @ U )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V )
          | ( V = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[60]) ).

thf(271,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( totalorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( totalorderedP @ V )
          | ( nil = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[61]) ).

thf(272,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( strictorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( strictorderedP @ V )
          | ( nil = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[62]) ).

thf(273,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( nil = V )
          | ( ( hd @ ( app @ V @ U ) )
            = ( hd @ V ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[63]) ).

thf(274,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( lt @ U @ V )
          | ( U = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[64]) ).

thf(275,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( lt @ U @ V )
          | ( U = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[65]) ).

thf(276,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssItem @ U )
          | ~ ( ssList @ V )
          | ( ( app @ ( cons @ U @ nil ) @ V )
            = ( cons @ U @ V ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[66]) ).

thf(277,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( app @ U @ V )
           != nil )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( nil = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[67]) ).

thf(278,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( app @ U @ V )
           != nil )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[68]) ).

thf(279,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ~ ( neq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[69]) ).

thf(280,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( cons @ U @ nil )
           != V )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ V )
          | ( singletonP @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[70]) ).

thf(281,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ~ ( neq @ U @ V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[71]) ).

thf(282,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ V )
          | ~ ( lt @ V @ U )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[72]) ).

thf(283,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ V )
          | ( totalorderedP @ ( cons @ V @ U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[73]) ).

thf(284,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ V )
          | ( strictorderedP @ ( cons @ V @ U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[74]) ).

thf(285,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ~ ( lt @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[75]) ).

thf(286,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( gt @ U @ V )
          | ~ ( gt @ V @ U )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[76]) ).

thf(287,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( cons @ ( skaf83 @ U ) @ ( skaf82 @ U ) )
            = U )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[77]) ).

thf(288,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V )
          | ( geq @ V @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[78]) ).

thf(289,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( geq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( leq @ V @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[79]) ).

thf(290,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ V )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V )
          | ( gt @ V @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[80]) ).

thf(291,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( gt @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( lt @ V @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[81]) ).

thf(292,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( cons @ ( hd @ U ) @ ( tl @ U ) )
            = U )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[82]) ).

thf(293,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( leq @ U @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[83]) ).

thf(294,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssItem @ U )
          | ~ ( ssItem @ V )
          | ( neq @ V @ U )
          | ( V = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[84]) ).

thf(295,plain,
    ( ( ! [U: $i] :
          ( ~ ( singletonP @ U )
          | ~ ( ssList @ U )
          | ( ( cons @ ( skaf44 @ U ) @ nil )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[85]) ).

thf(296,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( neq @ V @ U )
          | ( V = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[86]) ).

thf(297,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( cons @ U @ V )
           != V )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[87]) ).

thf(298,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( cons @ U @ V )
           != nil )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[88]) ).

thf(299,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssItem @ U )
          | ~ ( ssList @ V )
          | ( ( hd @ ( cons @ U @ V ) )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[89]) ).

thf(300,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssItem @ U )
          | ~ ( ssList @ V )
          | ( ( tl @ ( cons @ U @ V ) )
            = V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[90]) ).

thf(301,plain,
    ( ( ! [U: $i] :
          ( ~ ( leq @ ( skaf54 @ U ) @ ( skaf55 @ U ) )
          | ~ ( ssList @ U )
          | ( totalorderP @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[91]) ).

thf(302,plain,
    ( ( ! [U: $i] :
          ( ~ ( leq @ ( skaf55 @ U ) @ ( skaf54 @ U ) )
          | ~ ( ssList @ U )
          | ( totalorderP @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[92]) ).

thf(303,plain,
    ( ( ! [U: $i] :
          ( ~ ( lt @ ( skaf59 @ U ) @ ( skaf60 @ U ) )
          | ~ ( ssList @ U )
          | ( strictorderP @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[93]) ).

thf(304,plain,
    ( ( ! [U: $i] :
          ( ~ ( lt @ ( skaf60 @ U ) @ ( skaf59 @ U ) )
          | ~ ( ssList @ U )
          | ( strictorderP @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[94]) ).

thf(305,plain,
    ( ( ! [U: $i] :
          ( ~ ( leq @ ( skaf64 @ U ) @ ( skaf65 @ U ) )
          | ~ ( ssList @ U )
          | ( totalorderedP @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[95]) ).

thf(306,plain,
    ( ( ! [U: $i] :
          ( ~ ( lt @ ( skaf69 @ U ) @ ( skaf70 @ U ) )
          | ~ ( ssList @ U )
          | ( strictorderedP @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[96]) ).

thf(307,plain,
    ( ( ! [U: $i] :
          ( ( ( skaf79 @ U )
           != ( skaf78 @ U ) )
          | ~ ( ssList @ U )
          | ( equalelemsP @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[97]) ).

thf(308,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( cyclefreeP @ U )
          | ( leq @ ( skaf49 @ U ) @ ( skaf50 @ U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[98]) ).

thf(309,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( cyclefreeP @ U )
          | ( leq @ ( skaf50 @ U ) @ ( skaf49 @ U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[99]) ).

thf(310,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssItem @ U )
          | ~ ( ssList @ V )
          | ( ssList @ ( cons @ U @ V ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[100]) ).

thf(311,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( ssList @ ( app @ V @ U ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[101]) ).

thf(312,plain,
    ( ( ! [U: $i] :
          ( ~ ( frontsegP @ nil @ U )
          | ~ ( ssList @ U )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[102]) ).

thf(313,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ( frontsegP @ nil @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[103]) ).

thf(314,plain,
    ( ( ! [U: $i] :
          ( ~ ( rearsegP @ nil @ U )
          | ~ ( ssList @ U )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[104]) ).

thf(315,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ( rearsegP @ nil @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[105]) ).

thf(316,plain,
    ( ( ! [U: $i] :
          ( ~ ( segmentP @ nil @ U )
          | ~ ( ssList @ U )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[106]) ).

thf(317,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ( segmentP @ nil @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[107]) ).

thf(318,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ssItem @ ( hd @ U ) )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[108]) ).

thf(319,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ssList @ ( tl @ U ) )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[109]) ).

thf(320,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ssItem @ ( hd @ U ) )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[110]) ).

thf(321,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ssList @ ( tl @ U ) )
          | ( nil = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[111]) ).

thf(322,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ nil @ U )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[112]) ).

thf(323,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ U @ nil )
            = U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[113]) ).

thf(324,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( ssList @ U )
          | ( duplicatefreeP @ U )
          | ( ssItem @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[114]) ).

thf(325,plain,
    ( ( ! [U: $i] :
          ( ~ ( memberP @ nil @ U )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[115]) ).

thf(326,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( cyclefreeP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[116]) ).

thf(327,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( totalorderP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[117]) ).

thf(328,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( strictorderP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[118]) ).

thf(329,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( totalorderedP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[119]) ).

thf(330,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( strictorderedP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[120]) ).

thf(331,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( duplicatefreeP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[121]) ).

thf(332,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( equalelemsP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[122]) ).

thf(333,plain,
    ( ( ! [U: $i] :
          ( ~ ( lt @ U @ U )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[123]) ).

thf(334,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( leq @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[124]) ).

thf(335,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( frontsegP @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[125]) ).

thf(336,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( frontsegP @ U @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[126]) ).

thf(337,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( rearsegP @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[127]) ).

thf(338,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( rearsegP @ U @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[128]) ).

thf(339,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( segmentP @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[129]) ).

thf(340,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( segmentP @ U @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[130]) ).

thf(341,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( geq @ U @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[131]) ).

thf(342,plain,
    ( ( skac3 != skac2 )
    = $true ),
    inference(unfold_def,[status(thm)],[132]) ).

thf(343,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf42 @ U @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[133]) ).

thf(344,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf43 @ U @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[134]) ).

thf(345,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf45 @ U @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[135]) ).

thf(346,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf46 @ U @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[136]) ).

thf(347,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf47 @ U @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[137]) ).

thf(348,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf48 @ U @ V ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[138]) ).

thf(349,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf44 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[139]) ).

thf(350,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf49 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[140]) ).

thf(351,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf50 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[141]) ).

thf(352,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf51 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[142]) ).

thf(353,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf52 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[143]) ).

thf(354,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf53 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[144]) ).

thf(355,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf54 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[145]) ).

thf(356,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf55 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[146]) ).

thf(357,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf56 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[147]) ).

thf(358,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf57 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[148]) ).

thf(359,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf58 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[149]) ).

thf(360,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf59 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[150]) ).

thf(361,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf60 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[151]) ).

thf(362,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf61 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[152]) ).

thf(363,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf62 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[153]) ).

thf(364,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf63 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[154]) ).

thf(365,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf64 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[155]) ).

thf(366,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf65 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[156]) ).

thf(367,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf66 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[157]) ).

thf(368,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf67 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[158]) ).

thf(369,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf68 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[159]) ).

thf(370,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf69 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[160]) ).

thf(371,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf70 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(372,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf71 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[162]) ).

thf(373,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf72 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[163]) ).

thf(374,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf73 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[164]) ).

thf(375,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf74 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[165]) ).

thf(376,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf75 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[166]) ).

thf(377,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf76 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[167]) ).

thf(378,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf77 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(379,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf78 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[169]) ).

thf(380,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf79 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[170]) ).

thf(381,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf80 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[171]) ).

thf(382,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf81 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[172]) ).

thf(383,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf82 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[173]) ).

thf(384,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf83 @ U ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[174]) ).

thf(385,plain,
    ( ( ~ ( singletonP @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[175]) ).

thf(386,plain,
    ( ( ssItem @ skac2 )
    = $true ),
    inference(unfold_def,[status(thm)],[176]) ).

thf(387,plain,
    ( ( ssItem @ skac3 )
    = $true ),
    inference(unfold_def,[status(thm)],[177]) ).

thf(388,plain,
    ( ( ssList @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[178]) ).

thf(389,plain,
    ( ( cyclefreeP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[179]) ).

thf(390,plain,
    ( ( totalorderP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[180]) ).

thf(391,plain,
    ( ( strictorderP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[181]) ).

thf(392,plain,
    ( ( totalorderedP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[182]) ).

thf(393,plain,
    ( ( strictorderedP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[183]) ).

thf(394,plain,
    ( ( duplicatefreeP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[184]) ).

thf(395,plain,
    ( ( equalelemsP @ nil )
    = $true ),
    inference(unfold_def,[status(thm)],[185]) ).

thf(396,plain,
    ( ( ! [A: $i] :
          ( ~ ( ssItem @ A )
          | ( sk5 = A )
          | ~ ( memberP @ sk4 @ A )
          | ~ ( geq @ A @ sk5 )
          | ~ ( neq @ sk4 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[188]) ).

thf(397,plain,
    ( ( ( ( app @ sk6 @ sk7 )
        = sk3 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[189]) ).

thf(398,plain,
    ( ( ( ( app @ ( app @ sk6 @ ( cons @ sk5 @ nil ) ) @ sk7 )
        = sk4 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[190]) ).

thf(399,plain,
    ( ( ( ssList @ sk7 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[191]) ).

thf(400,plain,
    ( ( ( ssList @ sk6 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[192]) ).

thf(401,plain,
    ( ( ( ssItem @ sk5 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[193]) ).

thf(402,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( ssItem @ A )
          | ~ ( ssList @ B )
          | ~ ( ssList @ C )
          | ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C )
           != sk2 )
          | ( ( app @ B @ C )
           != sk1 )
          | ~ ( neq @ sk4 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[194]) ).

thf(403,plain,
    ( ( ! [A: $i] :
          ( ~ ( ssItem @ A )
          | ( sk5 = A )
          | ~ ( memberP @ sk4 @ A )
          | ~ ( geq @ A @ sk5 )
          | ( neq @ sk2 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[195]) ).

thf(404,plain,
    ( ( ( ( app @ sk6 @ sk7 )
        = sk3 )
      | ( neq @ sk2 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[196]) ).

thf(405,plain,
    ( ( ( ( app @ ( app @ sk6 @ ( cons @ sk5 @ nil ) ) @ sk7 )
        = sk4 )
      | ( neq @ sk2 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[197]) ).

thf(406,plain,
    ( ( ( ssList @ sk7 )
      | ( neq @ sk2 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[198]) ).

thf(407,plain,
    ( ( ( ssList @ sk6 )
      | ( neq @ sk2 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[199]) ).

thf(408,plain,
    ( ( ( ssItem @ sk5 )
      | ( neq @ sk2 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[200]) ).

thf(409,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( ssItem @ A )
          | ~ ( ssList @ B )
          | ~ ( ssList @ C )
          | ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C )
           != sk2 )
          | ( ( app @ B @ C )
           != sk1 )
          | ( neq @ sk2 @ nil ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[201]) ).

thf(410,plain,
    ( ( ( neq @ sk2 @ nil )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[202]) ).

thf(411,plain,
    ( ( ( neq @ sk2 @ nil )
      | ( neq @ sk2 @ nil ) )
    = $true ),
    inference(unfold_def,[status(thm)],[203]) ).

thf(412,plain,
    ( ( sk1 = sk3 )
    = $true ),
    inference(unfold_def,[status(thm)],[204]) ).

thf(413,plain,
    ( ( sk2 = sk4 )
    = $true ),
    inference(unfold_def,[status(thm)],[205]) ).

thf(414,plain,
    ( ( ssList @ sk4 )
    = $true ),
    inference(unfold_def,[status(thm)],[206]) ).

thf(415,plain,
    ( ( ssList @ sk3 )
    = $true ),
    inference(unfold_def,[status(thm)],[207]) ).

thf(416,plain,
    ( ( ssList @ sk2 )
    = $true ),
    inference(unfold_def,[status(thm)],[208]) ).

thf(417,plain,
    ( ( ssList @ sk1 )
    = $true ),
    inference(unfold_def,[status(thm)],[209]) ).

thf(418,plain,
    ( ( ~ $false ) = $true ),
    inference(polarity_switch,[status(thm)],[210]) ).

thf(419,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( leq @ V @ U )
          | ! [Y: $i,Z: $i] :
              ( ( ( app @ ( app @ W @ ( cons @ U @ X ) ) @ ( cons @ V @ Y ) )
               != Z )
              | ~ ( ssList @ Y )
              | ~ ( ssList @ X )
              | ~ ( ssList @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ~ ( cyclefreeP @ Z )
              | ~ ( ssList @ Z ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[211]) ).

thf(420,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( totalorderP @ Z )
          | ~ ( ssList @ Z )
          | ( leq @ V @ X )
          | ( leq @ X @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[212]) ).

thf(421,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( strictorderP @ Z )
          | ~ ( ssList @ Z )
          | ( lt @ V @ X )
          | ( lt @ X @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[213]) ).

thf(422,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( totalorderedP @ Z )
          | ~ ( ssList @ Z )
          | ( leq @ V @ X ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[214]) ).

thf(423,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( strictorderedP @ Z )
          | ~ ( ssList @ Z )
          | ( lt @ V @ X ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[215]) ).

thf(424,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i] :
          ( ( ( app @ U @ ( cons @ V @ ( cons @ W @ X ) ) )
           != Y )
          | ~ ( ssList @ X )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ V )
          | ~ ( equalelemsP @ Y )
          | ~ ( ssList @ Y )
          | ( V = W ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[216]) ).

thf(425,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ V @ X ) )
           != Y )
          | ~ ( ssList @ X )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ V )
          | ~ ( duplicatefreeP @ Y )
          | ~ ( ssList @ Y ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[217]) ).

thf(426,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ! [W: $i,X: $i] :
              ( ( W != X )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ~ ( ssItem @ X )
              | ~ ( ssItem @ W )
              | ( frontsegP @ ( cons @ W @ U ) @ ( cons @ X @ V ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[218]) ).

thf(427,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( tl @ U )
           != ( tl @ V ) )
          | ( ( hd @ U )
           != ( hd @ V ) )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( nil = V )
          | ( U = V )
          | ( nil = U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[219]) ).

thf(428,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( app @ U @ ( cons @ V @ W ) )
           != X )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ V )
          | ~ ( ssList @ X )
          | ( memberP @ X @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[221]) ).

thf(429,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( app @ ( app @ U @ V ) @ W )
           != X )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ X )
          | ( segmentP @ X @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[223]) ).

thf(430,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( segmentP @ U @ V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ! [X: $i] :
                  ( ~ ( ssList @ X )
                  | ~ ( ssList @ V )
                  | ~ ( ssList @ U )
                  | ( segmentP @ ( app @ ( app @ X @ U ) @ W ) @ V ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[224]) ).

thf(431,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( cons @ U @ V )
           != ( cons @ W @ X ) )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ( X = V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[225]) ).

thf(432,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( cons @ U @ V )
           != ( cons @ W @ X ) )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ( U = W ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[226]) ).

thf(433,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf51 @ U ) @ ( cons @ ( skaf49 @ U ) @ ( skaf52 @ U ) ) ) @ ( cons @ ( skaf50 @ U ) @ ( skaf53 @ U ) ) )
            = U )
          | ( cyclefreeP @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[229]) ).

thf(434,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf56 @ U ) @ ( cons @ ( skaf54 @ U ) @ ( skaf57 @ U ) ) ) @ ( cons @ ( skaf55 @ U ) @ ( skaf58 @ U ) ) )
            = U )
          | ( totalorderP @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[230]) ).

thf(435,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf61 @ U ) @ ( cons @ ( skaf59 @ U ) @ ( skaf62 @ U ) ) ) @ ( cons @ ( skaf60 @ U ) @ ( skaf63 @ U ) ) )
            = U )
          | ( strictorderP @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[231]) ).

thf(436,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf66 @ U ) @ ( cons @ ( skaf64 @ U ) @ ( skaf67 @ U ) ) ) @ ( cons @ ( skaf65 @ U ) @ ( skaf68 @ U ) ) )
            = U )
          | ( totalorderedP @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[232]) ).

thf(437,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf71 @ U ) @ ( cons @ ( skaf69 @ U ) @ ( skaf72 @ U ) ) ) @ ( cons @ ( skaf70 @ U ) @ ( skaf73 @ U ) ) )
            = U )
          | ( strictorderedP @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[233]) ).

thf(438,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf75 @ U ) @ ( cons @ ( skaf74 @ U ) @ ( skaf76 @ U ) ) ) @ ( cons @ ( skaf74 @ U ) @ ( skaf77 @ U ) ) )
            = U )
          | ( duplicatefreeP @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[234]) ).

thf(439,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( memberP @ ( cons @ U @ V ) @ W )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ W )
          | ( W = U )
          | ( memberP @ V @ W ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[235]) ).

thf(440,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ ( hd @ V ) )
          | ~ ( strictorderedP @ V )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( strictorderedP @ ( cons @ U @ V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[236]) ).

thf(441,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ ( hd @ V ) )
          | ~ ( totalorderedP @ V )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( totalorderedP @ ( cons @ U @ V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[237]) ).

thf(442,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ! [W: $i] :
                  ( ~ ( ssList @ W )
                  | ( ( cons @ U @ ( app @ V @ W ) )
                    = ( app @ ( cons @ U @ V ) @ W ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[239]) ).

thf(443,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ! [W: $i] :
              ( ~ ( leq @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( leq @ U @ W ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[240]) ).

thf(444,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ V )
          | ! [W: $i] :
              ( ~ ( lt @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( lt @ U @ W ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[241]) ).

thf(445,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ! [W: $i] :
              ( ~ ( frontsegP @ V @ W )
              | ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( frontsegP @ U @ W ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[242]) ).

thf(446,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ! [W: $i] :
              ( ~ ( rearsegP @ V @ W )
              | ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( rearsegP @ U @ W ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[243]) ).

thf(447,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( segmentP @ U @ V )
          | ! [W: $i] :
              ( ~ ( segmentP @ V @ W )
              | ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( segmentP @ U @ W ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[244]) ).

thf(448,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != ( app @ W @ V ) )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ W )
          | ( U = W ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[245]) ).

thf(449,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != ( app @ U @ W ) )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ~ ( ssList @ W )
          | ( V = W ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[246]) ).

thf(450,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ! [W: $i] :
                  ( ~ ( ssList @ W )
                  | ( ( app @ ( app @ W @ V ) @ U )
                    = ( app @ W @ ( app @ V @ U ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[247]) ).

thf(451,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( geq @ U @ V )
          | ! [W: $i] :
              ( ~ ( geq @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( geq @ U @ W ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[248]) ).

thf(452,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ! [W: $i] :
              ( ~ ( lt @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( lt @ U @ W ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[249]) ).

thf(453,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( gt @ U @ V )
          | ! [W: $i] :
              ( ~ ( gt @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( gt @ U @ W ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[250]) ).

thf(454,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ! [V: $i] :
              ( ( nil != V )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( ( app @ U @ V )
                = nil ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[251]) ).

thf(455,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ~ ( ssList @ W )
          | ( frontsegP @ W @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[252]) ).

thf(456,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != W )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ W )
          | ( rearsegP @ W @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[253]) ).

thf(457,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( skaf80 @ U ) @ ( cons @ ( skaf78 @ U ) @ ( cons @ ( skaf79 @ U ) @ ( skaf81 @ U ) ) ) )
            = U )
          | ( equalelemsP @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[254]) ).

thf(458,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( memberP @ U @ V )
          | ~ ( ssList @ U )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssItem @ V )
              | ( memberP @ ( app @ W @ U ) @ V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[255]) ).

thf(459,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( memberP @ U @ V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssList @ U )
              | ~ ( ssItem @ V )
              | ( memberP @ ( app @ U @ W ) @ V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[256]) ).

thf(460,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( memberP @ U @ V )
          | ~ ( ssList @ U )
          | ! [W: $i] :
              ( ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ( memberP @ ( cons @ W @ U ) @ V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[257]) ).

thf(461,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( memberP @ ( cons @ V @ W ) @ U ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[258]) ).

thf(462,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( frontsegP @ ( app @ U @ W ) @ V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[259]) ).

thf(463,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( rearsegP @ ( app @ W @ U ) @ V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[260]) ).

thf(464,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( totalorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( leq @ U @ ( hd @ V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[261]) ).

thf(465,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( strictorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( lt @ U @ ( hd @ V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[262]) ).

thf(466,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( nil = V )
              | ( ( tl @ ( app @ V @ U ) )
                = ( app @ ( tl @ V ) @ U ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[263]) ).

thf(467,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( totalorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( totalorderedP @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[271]) ).

thf(468,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( strictorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( strictorderedP @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[272]) ).

thf(469,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( nil = V )
              | ( ( hd @ ( app @ V @ U ) )
                = ( hd @ V ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[273]) ).

thf(470,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( U = V )
          | ( lt @ U @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[274]) ).

thf(471,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( U = V )
          | ( lt @ U @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[275]) ).

thf(472,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ( app @ ( cons @ U @ nil ) @ V )
                = ( cons @ U @ V ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[276]) ).

thf(473,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( app @ U @ V )
           != nil )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( nil = V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[277]) ).

thf(474,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( app @ U @ V )
           != nil )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( nil = U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[278]) ).

thf(475,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ~ ( neq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[279]) ).

thf(476,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( cons @ U @ nil )
           != V )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ V )
          | ( singletonP @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[280]) ).

thf(477,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ~ ( neq @ U @ V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[281]) ).

thf(478,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssItem @ V )
              | ( totalorderedP @ ( cons @ V @ U ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[283]) ).

thf(479,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssItem @ V )
              | ( strictorderedP @ ( cons @ V @ U ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[284]) ).

thf(480,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ~ ( lt @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[285]) ).

thf(481,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssItem @ V )
              | ( V = U )
              | ( neq @ V @ U ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[294]) ).

thf(482,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( V = U )
              | ( neq @ V @ U ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[296]) ).

thf(483,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( cons @ U @ V )
           != V )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[297]) ).

thf(484,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( cons @ U @ V )
           != nil )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[298]) ).

thf(485,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ( hd @ ( cons @ U @ V ) )
                = U ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[299]) ).

thf(486,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ( tl @ ( cons @ U @ V ) )
                = V ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[300]) ).

thf(487,plain,
    ( ( ! [U: $i] :
          ( ( ( skaf79 @ U )
           != ( skaf78 @ U ) )
          | ~ ( ssList @ U )
          | ( equalelemsP @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[307]) ).

thf(488,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ssList @ ( cons @ U @ V ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[310]) ).

thf(489,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ssList @ ( app @ V @ U ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[311]) ).

thf(490,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ( frontsegP @ nil @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[313]) ).

thf(491,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ( rearsegP @ nil @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[315]) ).

thf(492,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ( segmentP @ nil @ U ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[317]) ).

thf(493,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( nil = U )
          | ( ssItem @ ( hd @ U ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[318]) ).

thf(494,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( nil = U )
          | ( ssList @ ( tl @ U ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[319]) ).

thf(495,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( nil = U )
          | ( ssItem @ ( hd @ U ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[320]) ).

thf(496,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( nil = U )
          | ( ssList @ ( tl @ U ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[321]) ).

thf(497,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( duplicatefreeP @ U )
          | ! [V: $i] : ( ssItem @ V ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[324]) ).

thf(498,plain,
    ( ( skac3 != skac2 )
    = $true ),
    inference(extcnf_combined,[status(esa)],[342]) ).

thf(499,plain,
    ( ( ! [A: $i] :
          ( ~ ( ssItem @ A )
          | ! [B: $i] :
              ( ~ ( ssList @ B )
              | ! [C: $i] :
                  ( ~ ( ssList @ C )
                  | ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C )
                   != sk2 )
                  | ( ( app @ B @ C )
                   != sk1 )
                  | ~ ( neq @ sk4 @ nil ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[402]) ).

thf(500,plain,
    ( ( ( neq @ sk2 @ nil )
      | ( ssList @ sk7 ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[406]) ).

thf(501,plain,
    ( ( ( neq @ sk2 @ nil )
      | ( ssList @ sk6 ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[407]) ).

thf(502,plain,
    ( ( ( neq @ sk2 @ nil )
      | ( ssItem @ sk5 ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[408]) ).

thf(503,plain,
    ( ( ! [A: $i] :
          ( ~ ( ssItem @ A )
          | ! [B: $i] :
              ( ~ ( ssList @ B )
              | ! [C: $i] :
                  ( ~ ( ssList @ C )
                  | ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C )
                   != sk2 )
                  | ( ( app @ B @ C )
                   != sk1 )
                  | ( neq @ sk2 @ nil ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[409]) ).

thf(504,plain,
    ( ( neq @ sk2 @ nil )
    = $true ),
    inference(extcnf_combined,[status(esa)],[411]) ).

thf(505,plain,
    ( ( ssList @ sk1 )
    = $true ),
    inference(copy,[status(thm)],[417]) ).

thf(506,plain,
    ( ( ssList @ sk2 )
    = $true ),
    inference(copy,[status(thm)],[416]) ).

thf(507,plain,
    ( ( ssList @ sk3 )
    = $true ),
    inference(copy,[status(thm)],[415]) ).

thf(508,plain,
    ( ( ssList @ sk4 )
    = $true ),
    inference(copy,[status(thm)],[414]) ).

thf(509,plain,
    ( ( sk2 = sk4 )
    = $true ),
    inference(copy,[status(thm)],[413]) ).

thf(510,plain,
    ( ( sk1 = sk3 )
    = $true ),
    inference(copy,[status(thm)],[412]) ).

thf(511,plain,
    ( ( neq @ sk2 @ nil )
    = $true ),
    inference(copy,[status(thm)],[504]) ).

thf(512,plain,
    ( ( ( neq @ sk2 @ nil )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[410]) ).

thf(513,plain,
    ( ( ! [A: $i] :
          ( ~ ( ssItem @ A )
          | ! [B: $i] :
              ( ~ ( ssList @ B )
              | ! [C: $i] :
                  ( ~ ( ssList @ C )
                  | ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C )
                   != sk2 )
                  | ( ( app @ B @ C )
                   != sk1 )
                  | ( neq @ sk2 @ nil ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[503]) ).

thf(514,plain,
    ( ( ( neq @ sk2 @ nil )
      | ( ssItem @ sk5 ) )
    = $true ),
    inference(copy,[status(thm)],[502]) ).

thf(515,plain,
    ( ( ( neq @ sk2 @ nil )
      | ( ssList @ sk6 ) )
    = $true ),
    inference(copy,[status(thm)],[501]) ).

thf(516,plain,
    ( ( ( neq @ sk2 @ nil )
      | ( ssList @ sk7 ) )
    = $true ),
    inference(copy,[status(thm)],[500]) ).

thf(517,plain,
    ( ( ( ( app @ ( app @ sk6 @ ( cons @ sk5 @ nil ) ) @ sk7 )
        = sk4 )
      | ( neq @ sk2 @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[405]) ).

thf(518,plain,
    ( ( ( ( app @ sk6 @ sk7 )
        = sk3 )
      | ( neq @ sk2 @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[404]) ).

thf(519,plain,
    ( ( ! [A: $i] :
          ( ~ ( ssItem @ A )
          | ( sk5 = A )
          | ~ ( memberP @ sk4 @ A )
          | ~ ( geq @ A @ sk5 )
          | ( neq @ sk2 @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[403]) ).

thf(520,plain,
    ( ( ! [A: $i] :
          ( ~ ( ssItem @ A )
          | ! [B: $i] :
              ( ~ ( ssList @ B )
              | ! [C: $i] :
                  ( ~ ( ssList @ C )
                  | ( ( app @ ( app @ B @ ( cons @ A @ nil ) ) @ C )
                   != sk2 )
                  | ( ( app @ B @ C )
                   != sk1 )
                  | ~ ( neq @ sk4 @ nil ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[499]) ).

thf(521,plain,
    ( ( ( ssItem @ sk5 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[401]) ).

thf(522,plain,
    ( ( ( ssList @ sk6 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[400]) ).

thf(523,plain,
    ( ( ( ssList @ sk7 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[399]) ).

thf(524,plain,
    ( ( ( ( app @ ( app @ sk6 @ ( cons @ sk5 @ nil ) ) @ sk7 )
        = sk4 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[398]) ).

thf(525,plain,
    ( ( ( ( app @ sk6 @ sk7 )
        = sk3 )
      | ~ ( neq @ sk4 @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[397]) ).

thf(526,plain,
    ( ( ! [A: $i] :
          ( ~ ( ssItem @ A )
          | ( sk5 = A )
          | ~ ( memberP @ sk4 @ A )
          | ~ ( geq @ A @ sk5 )
          | ~ ( neq @ sk4 @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[396]) ).

thf(527,plain,
    ( ( equalelemsP @ nil )
    = $true ),
    inference(copy,[status(thm)],[395]) ).

thf(528,plain,
    ( ( duplicatefreeP @ nil )
    = $true ),
    inference(copy,[status(thm)],[394]) ).

thf(529,plain,
    ( ( strictorderedP @ nil )
    = $true ),
    inference(copy,[status(thm)],[393]) ).

thf(530,plain,
    ( ( totalorderedP @ nil )
    = $true ),
    inference(copy,[status(thm)],[392]) ).

thf(531,plain,
    ( ( strictorderP @ nil )
    = $true ),
    inference(copy,[status(thm)],[391]) ).

thf(532,plain,
    ( ( totalorderP @ nil )
    = $true ),
    inference(copy,[status(thm)],[390]) ).

thf(533,plain,
    ( ( cyclefreeP @ nil )
    = $true ),
    inference(copy,[status(thm)],[389]) ).

thf(534,plain,
    ( ( ssList @ nil )
    = $true ),
    inference(copy,[status(thm)],[388]) ).

thf(535,plain,
    ( ( ssItem @ skac3 )
    = $true ),
    inference(copy,[status(thm)],[387]) ).

thf(536,plain,
    ( ( ssItem @ skac2 )
    = $true ),
    inference(copy,[status(thm)],[386]) ).

thf(537,plain,
    ( ( ~ ( singletonP @ nil ) )
    = $true ),
    inference(copy,[status(thm)],[385]) ).

thf(538,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf83 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[384]) ).

thf(539,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf82 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[383]) ).

thf(540,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf81 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[382]) ).

thf(541,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf80 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[381]) ).

thf(542,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf79 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[380]) ).

thf(543,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf78 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[379]) ).

thf(544,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf77 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[378]) ).

thf(545,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf76 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[377]) ).

thf(546,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf75 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[376]) ).

thf(547,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf74 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[375]) ).

thf(548,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf73 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[374]) ).

thf(549,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf72 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[373]) ).

thf(550,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf71 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[372]) ).

thf(551,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf70 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[371]) ).

thf(552,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf69 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[370]) ).

thf(553,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf68 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[369]) ).

thf(554,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf67 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[368]) ).

thf(555,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf66 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[367]) ).

thf(556,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf65 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[366]) ).

thf(557,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf64 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[365]) ).

thf(558,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf63 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[364]) ).

thf(559,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf62 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[363]) ).

thf(560,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf61 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[362]) ).

thf(561,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf60 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[361]) ).

thf(562,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf59 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[360]) ).

thf(563,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf58 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[359]) ).

thf(564,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf57 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[358]) ).

thf(565,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf56 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[357]) ).

thf(566,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf55 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[356]) ).

thf(567,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf54 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[355]) ).

thf(568,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf53 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[354]) ).

thf(569,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf52 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[353]) ).

thf(570,plain,
    ( ( ! [U: $i] : ( ssList @ ( skaf51 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[352]) ).

thf(571,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf50 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[351]) ).

thf(572,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf49 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[350]) ).

thf(573,plain,
    ( ( ! [U: $i] : ( ssItem @ ( skaf44 @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[349]) ).

thf(574,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf48 @ U @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[348]) ).

thf(575,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf47 @ U @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[347]) ).

thf(576,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf46 @ U @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[346]) ).

thf(577,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf45 @ U @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[345]) ).

thf(578,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf43 @ U @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[344]) ).

thf(579,plain,
    ( ( ! [U: $i,V: $i] : ( ssList @ ( skaf42 @ U @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[343]) ).

thf(580,plain,
    ( ( skac3 != skac2 )
    = $true ),
    inference(copy,[status(thm)],[498]) ).

thf(581,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( geq @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[341]) ).

thf(582,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( segmentP @ U @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[340]) ).

thf(583,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( segmentP @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[339]) ).

thf(584,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( rearsegP @ U @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[338]) ).

thf(585,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( rearsegP @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[337]) ).

thf(586,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( frontsegP @ U @ nil ) ) )
    = $true ),
    inference(copy,[status(thm)],[336]) ).

thf(587,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( frontsegP @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[335]) ).

thf(588,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( leq @ U @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[334]) ).

thf(589,plain,
    ( ( ! [U: $i] :
          ( ~ ( lt @ U @ U )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[333]) ).

thf(590,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( equalelemsP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[332]) ).

thf(591,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( duplicatefreeP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[331]) ).

thf(592,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( strictorderedP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[330]) ).

thf(593,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( totalorderedP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[329]) ).

thf(594,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( strictorderP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[328]) ).

thf(595,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( totalorderP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[327]) ).

thf(596,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ( cyclefreeP @ ( cons @ U @ nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[326]) ).

thf(597,plain,
    ( ( ! [U: $i] :
          ( ~ ( memberP @ nil @ U )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[325]) ).

thf(598,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( duplicatefreeP @ U )
          | ! [V: $i] : ( ssItem @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[497]) ).

thf(599,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ U @ nil )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[323]) ).

thf(600,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ nil @ U )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[322]) ).

thf(601,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( nil = U )
          | ( ssList @ ( tl @ U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[496]) ).

thf(602,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( nil = U )
          | ( ssItem @ ( hd @ U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[495]) ).

thf(603,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( nil = U )
          | ( ssList @ ( tl @ U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[494]) ).

thf(604,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( nil = U )
          | ( ssItem @ ( hd @ U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[493]) ).

thf(605,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ( segmentP @ nil @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[492]) ).

thf(606,plain,
    ( ( ! [U: $i] :
          ( ~ ( segmentP @ nil @ U )
          | ~ ( ssList @ U )
          | ( nil = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[316]) ).

thf(607,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ( rearsegP @ nil @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[491]) ).

thf(608,plain,
    ( ( ! [U: $i] :
          ( ~ ( rearsegP @ nil @ U )
          | ~ ( ssList @ U )
          | ( nil = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[314]) ).

thf(609,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ( frontsegP @ nil @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[490]) ).

thf(610,plain,
    ( ( ! [U: $i] :
          ( ~ ( frontsegP @ nil @ U )
          | ~ ( ssList @ U )
          | ( nil = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[312]) ).

thf(611,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ssList @ ( app @ V @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[489]) ).

thf(612,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ssList @ ( cons @ U @ V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[488]) ).

thf(613,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( cyclefreeP @ U )
          | ( leq @ ( skaf50 @ U ) @ ( skaf49 @ U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[309]) ).

thf(614,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( cyclefreeP @ U )
          | ( leq @ ( skaf49 @ U ) @ ( skaf50 @ U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[308]) ).

thf(615,plain,
    ( ( ! [U: $i] :
          ( ( ( skaf79 @ U )
           != ( skaf78 @ U ) )
          | ~ ( ssList @ U )
          | ( equalelemsP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[487]) ).

thf(616,plain,
    ( ( ! [U: $i] :
          ( ~ ( lt @ ( skaf69 @ U ) @ ( skaf70 @ U ) )
          | ~ ( ssList @ U )
          | ( strictorderedP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[306]) ).

thf(617,plain,
    ( ( ! [U: $i] :
          ( ~ ( leq @ ( skaf64 @ U ) @ ( skaf65 @ U ) )
          | ~ ( ssList @ U )
          | ( totalorderedP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[305]) ).

thf(618,plain,
    ( ( ! [U: $i] :
          ( ~ ( lt @ ( skaf60 @ U ) @ ( skaf59 @ U ) )
          | ~ ( ssList @ U )
          | ( strictorderP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[304]) ).

thf(619,plain,
    ( ( ! [U: $i] :
          ( ~ ( lt @ ( skaf59 @ U ) @ ( skaf60 @ U ) )
          | ~ ( ssList @ U )
          | ( strictorderP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[303]) ).

thf(620,plain,
    ( ( ! [U: $i] :
          ( ~ ( leq @ ( skaf55 @ U ) @ ( skaf54 @ U ) )
          | ~ ( ssList @ U )
          | ( totalorderP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[302]) ).

thf(621,plain,
    ( ( ! [U: $i] :
          ( ~ ( leq @ ( skaf54 @ U ) @ ( skaf55 @ U ) )
          | ~ ( ssList @ U )
          | ( totalorderP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[301]) ).

thf(622,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ( tl @ ( cons @ U @ V ) )
                = V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[486]) ).

thf(623,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ( hd @ ( cons @ U @ V ) )
                = U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[485]) ).

thf(624,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( cons @ U @ V )
           != nil )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[484]) ).

thf(625,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( cons @ U @ V )
           != V )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[483]) ).

thf(626,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( V = U )
              | ( neq @ V @ U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[482]) ).

thf(627,plain,
    ( ( ! [U: $i] :
          ( ~ ( singletonP @ U )
          | ~ ( ssList @ U )
          | ( ( cons @ ( skaf44 @ U ) @ nil )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[295]) ).

thf(628,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssItem @ V )
              | ( V = U )
              | ( neq @ V @ U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[481]) ).

thf(629,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( leq @ U @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[293]) ).

thf(630,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( cons @ ( hd @ U ) @ ( tl @ U ) )
            = U )
          | ( nil = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[292]) ).

thf(631,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( gt @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( lt @ V @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[291]) ).

thf(632,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ V )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V )
          | ( gt @ V @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[290]) ).

thf(633,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( geq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( leq @ V @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[289]) ).

thf(634,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V )
          | ( geq @ V @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[288]) ).

thf(635,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( cons @ ( skaf83 @ U ) @ ( skaf82 @ U ) )
            = U )
          | ( nil = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[287]) ).

thf(636,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( gt @ U @ V )
          | ~ ( gt @ V @ U )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[286]) ).

thf(637,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ~ ( lt @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[480]) ).

thf(638,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssItem @ V )
              | ( strictorderedP @ ( cons @ V @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[479]) ).

thf(639,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssItem @ V )
              | ( totalorderedP @ ( cons @ V @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[478]) ).

thf(640,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ V )
          | ~ ( lt @ V @ U )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[282]) ).

thf(641,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ~ ( neq @ U @ V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[477]) ).

thf(642,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( cons @ U @ nil )
           != V )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ V )
          | ( singletonP @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[476]) ).

thf(643,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ~ ( neq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[475]) ).

thf(644,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( app @ U @ V )
           != nil )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( nil = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[474]) ).

thf(645,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( app @ U @ V )
           != nil )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( nil = V ) ) )
    = $true ),
    inference(copy,[status(thm)],[473]) ).

thf(646,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( ( app @ ( cons @ U @ nil ) @ V )
                = ( cons @ U @ V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[472]) ).

thf(647,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( U = V )
          | ( lt @ U @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[471]) ).

thf(648,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssItem @ U )
          | ( U = V )
          | ( lt @ U @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[470]) ).

thf(649,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( nil = V )
              | ( ( hd @ ( app @ V @ U ) )
                = ( hd @ V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[469]) ).

thf(650,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( strictorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( strictorderedP @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[468]) ).

thf(651,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( totalorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( totalorderedP @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[467]) ).

thf(652,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( geq @ U @ V )
          | ~ ( geq @ V @ U )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V )
          | ( V = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[270]) ).

thf(653,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( segmentP @ U @ V )
          | ~ ( segmentP @ V @ U )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( V = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[269]) ).

thf(654,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ~ ( rearsegP @ V @ U )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( V = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[268]) ).

thf(655,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ~ ( frontsegP @ V @ U )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( V = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[267]) ).

thf(656,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( leq @ V @ U )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ V )
          | ( V = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[266]) ).

thf(657,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( ( app @ ( skaf46 @ U @ V ) @ V )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[265]) ).

thf(658,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( ( app @ V @ ( skaf45 @ U @ V ) )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[264]) ).

thf(659,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ( nil = V )
              | ( ( tl @ ( app @ V @ U ) )
                = ( app @ ( tl @ V ) @ U ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[466]) ).

thf(660,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( strictorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( lt @ U @ ( hd @ V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[465]) ).

thf(661,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( totalorderedP @ ( cons @ U @ V ) )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( leq @ U @ ( hd @ V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[464]) ).

thf(662,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( rearsegP @ ( app @ W @ U ) @ V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[463]) ).

thf(663,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( frontsegP @ ( app @ U @ W ) @ V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[462]) ).

thf(664,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( U != V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( memberP @ ( cons @ V @ W ) @ U ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[461]) ).

thf(665,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( memberP @ U @ V )
          | ~ ( ssList @ U )
          | ! [W: $i] :
              ( ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ( memberP @ ( cons @ W @ U ) @ V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[460]) ).

thf(666,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( memberP @ U @ V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssList @ U )
              | ~ ( ssItem @ V )
              | ( memberP @ ( app @ U @ W ) @ V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[459]) ).

thf(667,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( memberP @ U @ V )
          | ~ ( ssList @ U )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ~ ( ssItem @ V )
              | ( memberP @ ( app @ W @ U ) @ V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[458]) ).

thf(668,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( skaf80 @ U ) @ ( cons @ ( skaf78 @ U ) @ ( cons @ ( skaf79 @ U ) @ ( skaf81 @ U ) ) ) )
            = U )
          | ( equalelemsP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[457]) ).

thf(669,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != W )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ W )
          | ( rearsegP @ W @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[456]) ).

thf(670,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ~ ( ssList @ W )
          | ( frontsegP @ W @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[455]) ).

thf(671,plain,
    ( ( ! [U: $i] :
          ( ( nil != U )
          | ! [V: $i] :
              ( ( nil != V )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( ( app @ U @ V )
                = nil ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[454]) ).

thf(672,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( gt @ U @ V )
          | ! [W: $i] :
              ( ~ ( gt @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( gt @ U @ W ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[453]) ).

thf(673,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ! [W: $i] :
              ( ~ ( lt @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( lt @ U @ W ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[452]) ).

thf(674,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( geq @ U @ V )
          | ! [W: $i] :
              ( ~ ( geq @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( geq @ U @ W ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[451]) ).

thf(675,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ! [W: $i] :
                  ( ~ ( ssList @ W )
                  | ( ( app @ ( app @ W @ V ) @ U )
                    = ( app @ W @ ( app @ V @ U ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[450]) ).

thf(676,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != ( app @ U @ W ) )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ~ ( ssList @ W )
          | ( V = W ) ) )
    = $true ),
    inference(copy,[status(thm)],[449]) ).

thf(677,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ( ( app @ U @ V )
           != ( app @ W @ V ) )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ W )
          | ( U = W ) ) )
    = $true ),
    inference(copy,[status(thm)],[448]) ).

thf(678,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( segmentP @ U @ V )
          | ! [W: $i] :
              ( ~ ( segmentP @ V @ W )
              | ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( segmentP @ U @ W ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[447]) ).

thf(679,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( rearsegP @ U @ V )
          | ! [W: $i] :
              ( ~ ( rearsegP @ V @ W )
              | ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( rearsegP @ U @ W ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[446]) ).

thf(680,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ! [W: $i] :
              ( ~ ( frontsegP @ V @ W )
              | ~ ( ssList @ W )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ( frontsegP @ U @ W ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[445]) ).

thf(681,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ V )
          | ! [W: $i] :
              ( ~ ( lt @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( lt @ U @ W ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[444]) ).

thf(682,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ V )
          | ! [W: $i] :
              ( ~ ( leq @ V @ W )
              | ~ ( ssItem @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ( leq @ U @ W ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[443]) ).

thf(683,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssItem @ U )
          | ! [V: $i] :
              ( ~ ( ssList @ V )
              | ! [W: $i] :
                  ( ~ ( ssList @ W )
                  | ( ( cons @ U @ ( app @ V @ W ) )
                    = ( app @ ( cons @ U @ V ) @ W ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[442]) ).

thf(684,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( memberP @ ( app @ U @ V ) @ W )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ W )
          | ( memberP @ V @ W )
          | ( memberP @ U @ W ) ) )
    = $true ),
    inference(copy,[status(thm)],[238]) ).

thf(685,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( leq @ U @ ( hd @ V ) )
          | ~ ( totalorderedP @ V )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( totalorderedP @ ( cons @ U @ V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[441]) ).

thf(686,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( lt @ U @ ( hd @ V ) )
          | ~ ( strictorderedP @ V )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ( nil = V )
          | ( strictorderedP @ ( cons @ U @ V ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[440]) ).

thf(687,plain,
    ( ( ! [U: $i,V: $i,W: $i] :
          ( ~ ( memberP @ ( cons @ U @ V ) @ W )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ U )
          | ~ ( ssItem @ W )
          | ( W = U )
          | ( memberP @ V @ W ) ) )
    = $true ),
    inference(copy,[status(thm)],[439]) ).

thf(688,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf75 @ U ) @ ( cons @ ( skaf74 @ U ) @ ( skaf76 @ U ) ) ) @ ( cons @ ( skaf74 @ U ) @ ( skaf77 @ U ) ) )
            = U )
          | ( duplicatefreeP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[438]) ).

thf(689,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf71 @ U ) @ ( cons @ ( skaf69 @ U ) @ ( skaf72 @ U ) ) ) @ ( cons @ ( skaf70 @ U ) @ ( skaf73 @ U ) ) )
            = U )
          | ( strictorderedP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[437]) ).

thf(690,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf66 @ U ) @ ( cons @ ( skaf64 @ U ) @ ( skaf67 @ U ) ) ) @ ( cons @ ( skaf65 @ U ) @ ( skaf68 @ U ) ) )
            = U )
          | ( totalorderedP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[436]) ).

thf(691,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf61 @ U ) @ ( cons @ ( skaf59 @ U ) @ ( skaf62 @ U ) ) ) @ ( cons @ ( skaf60 @ U ) @ ( skaf63 @ U ) ) )
            = U )
          | ( strictorderP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[435]) ).

thf(692,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf56 @ U ) @ ( cons @ ( skaf54 @ U ) @ ( skaf57 @ U ) ) ) @ ( cons @ ( skaf55 @ U ) @ ( skaf58 @ U ) ) )
            = U )
          | ( totalorderP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[434]) ).

thf(693,plain,
    ( ( ! [U: $i] :
          ( ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf51 @ U ) @ ( cons @ ( skaf49 @ U ) @ ( skaf52 @ U ) ) ) @ ( cons @ ( skaf50 @ U ) @ ( skaf53 @ U ) ) )
            = U )
          | ( cyclefreeP @ U ) ) )
    = $true ),
    inference(copy,[status(thm)],[433]) ).

thf(694,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( segmentP @ U @ V )
          | ~ ( ssList @ V )
          | ~ ( ssList @ U )
          | ( ( app @ ( app @ ( skaf47 @ U @ V ) @ V ) @ ( skaf48 @ V @ U ) )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[228]) ).

thf(695,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( memberP @ U @ V )
          | ~ ( ssItem @ V )
          | ~ ( ssList @ U )
          | ( ( app @ ( skaf42 @ U @ V ) @ ( cons @ V @ ( skaf43 @ V @ U ) ) )
            = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[227]) ).

thf(696,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( cons @ U @ V )
           != ( cons @ W @ X ) )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ( U = W ) ) )
    = $true ),
    inference(copy,[status(thm)],[432]) ).

thf(697,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( cons @ U @ V )
           != ( cons @ W @ X ) )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ( X = V ) ) )
    = $true ),
    inference(copy,[status(thm)],[431]) ).

thf(698,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( segmentP @ U @ V )
          | ! [W: $i] :
              ( ~ ( ssList @ W )
              | ! [X: $i] :
                  ( ~ ( ssList @ X )
                  | ~ ( ssList @ V )
                  | ~ ( ssList @ U )
                  | ( segmentP @ ( app @ ( app @ X @ U ) @ W ) @ V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[430]) ).

thf(699,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( app @ ( app @ U @ V ) @ W )
           != X )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ~ ( ssList @ X )
          | ( segmentP @ X @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[429]) ).

thf(700,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ~ ( frontsegP @ ( cons @ U @ V ) @ ( cons @ W @ X ) )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ( frontsegP @ V @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[222]) ).

thf(701,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ( ( app @ U @ ( cons @ V @ W ) )
           != X )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ V )
          | ~ ( ssList @ X )
          | ( memberP @ X @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[428]) ).

thf(702,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ~ ( frontsegP @ ( cons @ U @ V ) @ ( cons @ W @ X ) )
          | ~ ( ssList @ X )
          | ~ ( ssList @ V )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ U )
          | ( U = W ) ) )
    = $true ),
    inference(copy,[status(thm)],[220]) ).

thf(703,plain,
    ( ( ! [U: $i,V: $i] :
          ( ( ( tl @ U )
           != ( tl @ V ) )
          | ( ( hd @ U )
           != ( hd @ V ) )
          | ~ ( ssList @ U )
          | ~ ( ssList @ V )
          | ( nil = V )
          | ( U = V )
          | ( nil = U ) ) )
    = $true ),
    inference(copy,[status(thm)],[427]) ).

thf(704,plain,
    ( ( ! [U: $i,V: $i] :
          ( ~ ( frontsegP @ U @ V )
          | ! [W: $i,X: $i] :
              ( ( W != X )
              | ~ ( ssList @ V )
              | ~ ( ssList @ U )
              | ~ ( ssItem @ X )
              | ~ ( ssItem @ W )
              | ( frontsegP @ ( cons @ W @ U ) @ ( cons @ X @ V ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[426]) ).

thf(705,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ V @ X ) )
           != Y )
          | ~ ( ssList @ X )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ V )
          | ~ ( duplicatefreeP @ Y )
          | ~ ( ssList @ Y ) ) )
    = $true ),
    inference(copy,[status(thm)],[425]) ).

thf(706,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i] :
          ( ( ( app @ U @ ( cons @ V @ ( cons @ W @ X ) ) )
           != Y )
          | ~ ( ssList @ X )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ W )
          | ~ ( ssItem @ V )
          | ~ ( equalelemsP @ Y )
          | ~ ( ssList @ Y )
          | ( V = W ) ) )
    = $true ),
    inference(copy,[status(thm)],[424]) ).

thf(707,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( strictorderedP @ Z )
          | ~ ( ssList @ Z )
          | ( lt @ V @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[423]) ).

thf(708,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( totalorderedP @ Z )
          | ~ ( ssList @ Z )
          | ( leq @ V @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[422]) ).

thf(709,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( strictorderP @ Z )
          | ~ ( ssList @ Z )
          | ( lt @ V @ X )
          | ( lt @ X @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[421]) ).

thf(710,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i,Y: $i,Z: $i] :
          ( ( ( app @ ( app @ U @ ( cons @ V @ W ) ) @ ( cons @ X @ Y ) )
           != Z )
          | ~ ( ssList @ Y )
          | ~ ( ssList @ W )
          | ~ ( ssList @ U )
          | ~ ( ssItem @ X )
          | ~ ( ssItem @ V )
          | ~ ( totalorderP @ Z )
          | ~ ( ssList @ Z )
          | ( leq @ V @ X )
          | ( leq @ X @ V ) ) )
    = $true ),
    inference(copy,[status(thm)],[420]) ).

thf(711,plain,
    ( ( ! [U: $i,V: $i,W: $i,X: $i] :
          ( ~ ( leq @ U @ V )
          | ~ ( leq @ V @ U )
          | ! [Y: $i,Z: $i] :
              ( ( ( app @ ( app @ W @ ( cons @ U @ X ) ) @ ( cons @ V @ Y ) )
               != Z )
              | ~ ( ssList @ Y )
              | ~ ( ssList @ X )
              | ~ ( ssList @ W )
              | ~ ( ssItem @ V )
              | ~ ( ssItem @ U )
              | ~ ( cyclefreeP @ Z )
              | ~ ( ssList @ Z ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[419]) ).

thf(712,plain,
    ( ( ~ $false ) = $true ),
    inference(copy,[status(thm)],[418]) ).

thf(713,plain,
    ( ( ( neq @ sk2 @ nil )
      = $true )
    | ( ( ~ ( neq @ sk4 @ nil ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[512]) ).

thf(714,plain,
    ! [SV1: $i] :
      ( ( ~ ( ssItem @ SV1 )
        | ! [SY334: $i] :
            ( ~ ( ssList @ SY334 )
            | ! [SY335: $i] :
                ( ~ ( ssList @ SY335 )
                | ( ( app @ ( app @ SY334 @ ( cons @ SV1 @ nil ) ) @ SY335 )
                 != sk2 )
                | ( ( app @ SY334 @ SY335 )
                 != sk1 )
                | ( neq @ sk2 @ nil ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[513]) ).

thf(715,plain,
    ( ( ( neq @ sk2 @ nil )
      = $true )
    | ( ( ssItem @ sk5 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[514]) ).

thf(716,plain,
    ( ( ( neq @ sk2 @ nil )
      = $true )
    | ( ( ssList @ sk6 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[515]) ).

thf(717,plain,
    ( ( ( neq @ sk2 @ nil )
      = $true )
    | ( ( ssList @ sk7 )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[516]) ).

thf(718,plain,
    ( ( ( ( app @ ( app @ sk6 @ ( cons @ sk5 @ nil ) ) @ sk7 )
        = sk4 )
      = $true )
    | ( ( neq @ sk2 @ nil )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[517]) ).

thf(719,plain,
    ( ( ( ( app @ sk6 @ sk7 )
        = sk3 )
      = $true )
    | ( ( neq @ sk2 @ nil )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[518]) ).

thf(720,plain,
    ! [SV2: $i] :
      ( ( ~ ( ssItem @ SV2 )
        | ( sk5 = SV2 )
        | ~ ( memberP @ sk4 @ SV2 )
        | ~ ( geq @ SV2 @ sk5 )
        | ( neq @ sk2 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[519]) ).

thf(721,plain,
    ! [SV3: $i] :
      ( ( ~ ( ssItem @ SV3 )
        | ! [SY336: $i] :
            ( ~ ( ssList @ SY336 )
            | ! [SY337: $i] :
                ( ~ ( ssList @ SY337 )
                | ( ( app @ ( app @ SY336 @ ( cons @ SV3 @ nil ) ) @ SY337 )
                 != sk2 )
                | ( ( app @ SY336 @ SY337 )
                 != sk1 )
                | ~ ( neq @ sk4 @ nil ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[520]) ).

thf(722,plain,
    ( ( ( ssItem @ sk5 )
      = $true )
    | ( ( ~ ( neq @ sk4 @ nil ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[521]) ).

thf(723,plain,
    ( ( ( ssList @ sk6 )
      = $true )
    | ( ( ~ ( neq @ sk4 @ nil ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[522]) ).

thf(724,plain,
    ( ( ( ssList @ sk7 )
      = $true )
    | ( ( ~ ( neq @ sk4 @ nil ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[523]) ).

thf(725,plain,
    ( ( ( ( app @ ( app @ sk6 @ ( cons @ sk5 @ nil ) ) @ sk7 )
        = sk4 )
      = $true )
    | ( ( ~ ( neq @ sk4 @ nil ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[524]) ).

thf(726,plain,
    ( ( ( ( app @ sk6 @ sk7 )
        = sk3 )
      = $true )
    | ( ( ~ ( neq @ sk4 @ nil ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[525]) ).

thf(727,plain,
    ! [SV4: $i] :
      ( ( ~ ( ssItem @ SV4 )
        | ( sk5 = SV4 )
        | ~ ( memberP @ sk4 @ SV4 )
        | ~ ( geq @ SV4 @ sk5 )
        | ~ ( neq @ sk4 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[526]) ).

thf(728,plain,
    ( ( singletonP @ nil )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[537]) ).

thf(729,plain,
    ! [SV5: $i] :
      ( ( ssItem @ ( skaf83 @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[538]) ).

thf(730,plain,
    ! [SV6: $i] :
      ( ( ssList @ ( skaf82 @ SV6 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[539]) ).

thf(731,plain,
    ! [SV7: $i] :
      ( ( ssList @ ( skaf81 @ SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[540]) ).

thf(732,plain,
    ! [SV8: $i] :
      ( ( ssList @ ( skaf80 @ SV8 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[541]) ).

thf(733,plain,
    ! [SV9: $i] :
      ( ( ssItem @ ( skaf79 @ SV9 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[542]) ).

thf(734,plain,
    ! [SV10: $i] :
      ( ( ssItem @ ( skaf78 @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[543]) ).

thf(735,plain,
    ! [SV11: $i] :
      ( ( ssList @ ( skaf77 @ SV11 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[544]) ).

thf(736,plain,
    ! [SV12: $i] :
      ( ( ssList @ ( skaf76 @ SV12 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[545]) ).

thf(737,plain,
    ! [SV13: $i] :
      ( ( ssList @ ( skaf75 @ SV13 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[546]) ).

thf(738,plain,
    ! [SV14: $i] :
      ( ( ssItem @ ( skaf74 @ SV14 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[547]) ).

thf(739,plain,
    ! [SV15: $i] :
      ( ( ssList @ ( skaf73 @ SV15 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[548]) ).

thf(740,plain,
    ! [SV16: $i] :
      ( ( ssList @ ( skaf72 @ SV16 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[549]) ).

thf(741,plain,
    ! [SV17: $i] :
      ( ( ssList @ ( skaf71 @ SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[550]) ).

thf(742,plain,
    ! [SV18: $i] :
      ( ( ssItem @ ( skaf70 @ SV18 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[551]) ).

thf(743,plain,
    ! [SV19: $i] :
      ( ( ssItem @ ( skaf69 @ SV19 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[552]) ).

thf(744,plain,
    ! [SV20: $i] :
      ( ( ssList @ ( skaf68 @ SV20 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[553]) ).

thf(745,plain,
    ! [SV21: $i] :
      ( ( ssList @ ( skaf67 @ SV21 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[554]) ).

thf(746,plain,
    ! [SV22: $i] :
      ( ( ssList @ ( skaf66 @ SV22 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[555]) ).

thf(747,plain,
    ! [SV23: $i] :
      ( ( ssItem @ ( skaf65 @ SV23 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[556]) ).

thf(748,plain,
    ! [SV24: $i] :
      ( ( ssItem @ ( skaf64 @ SV24 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[557]) ).

thf(749,plain,
    ! [SV25: $i] :
      ( ( ssList @ ( skaf63 @ SV25 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[558]) ).

thf(750,plain,
    ! [SV26: $i] :
      ( ( ssList @ ( skaf62 @ SV26 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[559]) ).

thf(751,plain,
    ! [SV27: $i] :
      ( ( ssList @ ( skaf61 @ SV27 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[560]) ).

thf(752,plain,
    ! [SV28: $i] :
      ( ( ssItem @ ( skaf60 @ SV28 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[561]) ).

thf(753,plain,
    ! [SV29: $i] :
      ( ( ssItem @ ( skaf59 @ SV29 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[562]) ).

thf(754,plain,
    ! [SV30: $i] :
      ( ( ssList @ ( skaf58 @ SV30 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[563]) ).

thf(755,plain,
    ! [SV31: $i] :
      ( ( ssList @ ( skaf57 @ SV31 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[564]) ).

thf(756,plain,
    ! [SV32: $i] :
      ( ( ssList @ ( skaf56 @ SV32 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[565]) ).

thf(757,plain,
    ! [SV33: $i] :
      ( ( ssItem @ ( skaf55 @ SV33 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[566]) ).

thf(758,plain,
    ! [SV34: $i] :
      ( ( ssItem @ ( skaf54 @ SV34 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[567]) ).

thf(759,plain,
    ! [SV35: $i] :
      ( ( ssList @ ( skaf53 @ SV35 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[568]) ).

thf(760,plain,
    ! [SV36: $i] :
      ( ( ssList @ ( skaf52 @ SV36 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[569]) ).

thf(761,plain,
    ! [SV37: $i] :
      ( ( ssList @ ( skaf51 @ SV37 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[570]) ).

thf(762,plain,
    ! [SV38: $i] :
      ( ( ssItem @ ( skaf50 @ SV38 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[571]) ).

thf(763,plain,
    ! [SV39: $i] :
      ( ( ssItem @ ( skaf49 @ SV39 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[572]) ).

thf(764,plain,
    ! [SV40: $i] :
      ( ( ssItem @ ( skaf44 @ SV40 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[573]) ).

thf(765,plain,
    ! [SV41: $i] :
      ( ( ! [SY338: $i] : ( ssList @ ( skaf48 @ SV41 @ SY338 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[574]) ).

thf(766,plain,
    ! [SV42: $i] :
      ( ( ! [SY339: $i] : ( ssList @ ( skaf47 @ SV42 @ SY339 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[575]) ).

thf(767,plain,
    ! [SV43: $i] :
      ( ( ! [SY340: $i] : ( ssList @ ( skaf46 @ SV43 @ SY340 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[576]) ).

thf(768,plain,
    ! [SV44: $i] :
      ( ( ! [SY341: $i] : ( ssList @ ( skaf45 @ SV44 @ SY341 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[577]) ).

thf(769,plain,
    ! [SV45: $i] :
      ( ( ! [SY342: $i] : ( ssList @ ( skaf43 @ SV45 @ SY342 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[578]) ).

thf(770,plain,
    ! [SV46: $i] :
      ( ( ! [SY343: $i] : ( ssList @ ( skaf42 @ SV46 @ SY343 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[579]) ).

thf(771,plain,
    ( ( skac3 = skac2 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[580]) ).

thf(772,plain,
    ! [SV47: $i] :
      ( ( ~ ( ssItem @ SV47 )
        | ( geq @ SV47 @ SV47 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[581]) ).

thf(773,plain,
    ! [SV48: $i] :
      ( ( ~ ( ssList @ SV48 )
        | ( segmentP @ SV48 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[582]) ).

thf(774,plain,
    ! [SV49: $i] :
      ( ( ~ ( ssList @ SV49 )
        | ( segmentP @ SV49 @ SV49 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[583]) ).

thf(775,plain,
    ! [SV50: $i] :
      ( ( ~ ( ssList @ SV50 )
        | ( rearsegP @ SV50 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[584]) ).

thf(776,plain,
    ! [SV51: $i] :
      ( ( ~ ( ssList @ SV51 )
        | ( rearsegP @ SV51 @ SV51 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[585]) ).

thf(777,plain,
    ! [SV52: $i] :
      ( ( ~ ( ssList @ SV52 )
        | ( frontsegP @ SV52 @ nil ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[586]) ).

thf(778,plain,
    ! [SV53: $i] :
      ( ( ~ ( ssList @ SV53 )
        | ( frontsegP @ SV53 @ SV53 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[587]) ).

thf(779,plain,
    ! [SV54: $i] :
      ( ( ~ ( ssItem @ SV54 )
        | ( leq @ SV54 @ SV54 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[588]) ).

thf(780,plain,
    ! [SV55: $i] :
      ( ( ~ ( lt @ SV55 @ SV55 )
        | ~ ( ssItem @ SV55 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[589]) ).

thf(781,plain,
    ! [SV56: $i] :
      ( ( ~ ( ssItem @ SV56 )
        | ( equalelemsP @ ( cons @ SV56 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[590]) ).

thf(782,plain,
    ! [SV57: $i] :
      ( ( ~ ( ssItem @ SV57 )
        | ( duplicatefreeP @ ( cons @ SV57 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[591]) ).

thf(783,plain,
    ! [SV58: $i] :
      ( ( ~ ( ssItem @ SV58 )
        | ( strictorderedP @ ( cons @ SV58 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[592]) ).

thf(784,plain,
    ! [SV59: $i] :
      ( ( ~ ( ssItem @ SV59 )
        | ( totalorderedP @ ( cons @ SV59 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[593]) ).

thf(785,plain,
    ! [SV60: $i] :
      ( ( ~ ( ssItem @ SV60 )
        | ( strictorderP @ ( cons @ SV60 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[594]) ).

thf(786,plain,
    ! [SV61: $i] :
      ( ( ~ ( ssItem @ SV61 )
        | ( totalorderP @ ( cons @ SV61 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[595]) ).

thf(787,plain,
    ! [SV62: $i] :
      ( ( ~ ( ssItem @ SV62 )
        | ( cyclefreeP @ ( cons @ SV62 @ nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[596]) ).

thf(788,plain,
    ! [SV63: $i] :
      ( ( ~ ( memberP @ nil @ SV63 )
        | ~ ( ssItem @ SV63 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[597]) ).

thf(789,plain,
    ! [SV64: $i] :
      ( ( ~ ( ssList @ SV64 )
        | ( duplicatefreeP @ SV64 )
        | ! [V: $i] : ( ssItem @ V ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[598]) ).

thf(790,plain,
    ! [SV65: $i] :
      ( ( ~ ( ssList @ SV65 )
        | ( ( app @ SV65 @ nil )
          = SV65 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[599]) ).

thf(791,plain,
    ! [SV66: $i] :
      ( ( ~ ( ssList @ SV66 )
        | ( ( app @ nil @ SV66 )
          = SV66 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[600]) ).

thf(792,plain,
    ! [SV67: $i] :
      ( ( ~ ( ssList @ SV67 )
        | ( nil = SV67 )
        | ( ssList @ ( tl @ SV67 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[601]) ).

thf(793,plain,
    ! [SV68: $i] :
      ( ( ~ ( ssList @ SV68 )
        | ( nil = SV68 )
        | ( ssItem @ ( hd @ SV68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[602]) ).

thf(794,plain,
    ! [SV69: $i] :
      ( ( ~ ( ssList @ SV69 )
        | ( nil = SV69 )
        | ( ssList @ ( tl @ SV69 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[603]) ).

thf(795,plain,
    ! [SV70: $i] :
      ( ( ~ ( ssList @ SV70 )
        | ( nil = SV70 )
        | ( ssItem @ ( hd @ SV70 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[604]) ).

thf(796,plain,
    ! [SV71: $i] :
      ( ( ( nil != SV71 )
        | ~ ( ssList @ SV71 )
        | ( segmentP @ nil @ SV71 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[605]) ).

thf(797,plain,
    ! [SV72: $i] :
      ( ( ~ ( segmentP @ nil @ SV72 )
        | ~ ( ssList @ SV72 )
        | ( nil = SV72 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[606]) ).

thf(798,plain,
    ! [SV73: $i] :
      ( ( ( nil != SV73 )
        | ~ ( ssList @ SV73 )
        | ( rearsegP @ nil @ SV73 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[607]) ).

thf(799,plain,
    ! [SV74: $i] :
      ( ( ~ ( rearsegP @ nil @ SV74 )
        | ~ ( ssList @ SV74 )
        | ( nil = SV74 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[608]) ).

thf(800,plain,
    ! [SV75: $i] :
      ( ( ( nil != SV75 )
        | ~ ( ssList @ SV75 )
        | ( frontsegP @ nil @ SV75 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[609]) ).

thf(801,plain,
    ! [SV76: $i] :
      ( ( ~ ( frontsegP @ nil @ SV76 )
        | ~ ( ssList @ SV76 )
        | ( nil = SV76 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[610]) ).

thf(802,plain,
    ! [SV77: $i] :
      ( ( ~ ( ssList @ SV77 )
        | ! [SY345: $i] :
            ( ~ ( ssList @ SY345 )
            | ( ssList @ ( app @ SY345 @ SV77 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[611]) ).

thf(803,plain,
    ! [SV78: $i] :
      ( ( ~ ( ssItem @ SV78 )
        | ! [SY346: $i] :
            ( ~ ( ssList @ SY346 )
            | ( ssList @ ( cons @ SV78 @ SY346 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[612]) ).

thf(804,plain,
    ! [SV79: $i] :
      ( ( ~ ( ssList @ SV79 )
        | ( cyclefreeP @ SV79 )
        | ( leq @ ( skaf50 @ SV79 ) @ ( skaf49 @ SV79 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[613]) ).

thf(805,plain,
    ! [SV80: $i] :
      ( ( ~ ( ssList @ SV80 )
        | ( cyclefreeP @ SV80 )
        | ( leq @ ( skaf49 @ SV80 ) @ ( skaf50 @ SV80 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[614]) ).

thf(806,plain,
    ! [SV81: $i] :
      ( ( ( ( skaf79 @ SV81 )
         != ( skaf78 @ SV81 ) )
        | ~ ( ssList @ SV81 )
        | ( equalelemsP @ SV81 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[615]) ).

thf(807,plain,
    ! [SV82: $i] :
      ( ( ~ ( lt @ ( skaf69 @ SV82 ) @ ( skaf70 @ SV82 ) )
        | ~ ( ssList @ SV82 )
        | ( strictorderedP @ SV82 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[616]) ).

thf(808,plain,
    ! [SV83: $i] :
      ( ( ~ ( leq @ ( skaf64 @ SV83 ) @ ( skaf65 @ SV83 ) )
        | ~ ( ssList @ SV83 )
        | ( totalorderedP @ SV83 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[617]) ).

thf(809,plain,
    ! [SV84: $i] :
      ( ( ~ ( lt @ ( skaf60 @ SV84 ) @ ( skaf59 @ SV84 ) )
        | ~ ( ssList @ SV84 )
        | ( strictorderP @ SV84 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[618]) ).

thf(810,plain,
    ! [SV85: $i] :
      ( ( ~ ( lt @ ( skaf59 @ SV85 ) @ ( skaf60 @ SV85 ) )
        | ~ ( ssList @ SV85 )
        | ( strictorderP @ SV85 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[619]) ).

thf(811,plain,
    ! [SV86: $i] :
      ( ( ~ ( leq @ ( skaf55 @ SV86 ) @ ( skaf54 @ SV86 ) )
        | ~ ( ssList @ SV86 )
        | ( totalorderP @ SV86 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[620]) ).

thf(812,plain,
    ! [SV87: $i] :
      ( ( ~ ( leq @ ( skaf54 @ SV87 ) @ ( skaf55 @ SV87 ) )
        | ~ ( ssList @ SV87 )
        | ( totalorderP @ SV87 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[621]) ).

thf(813,plain,
    ! [SV88: $i] :
      ( ( ~ ( ssItem @ SV88 )
        | ! [SY347: $i] :
            ( ~ ( ssList @ SY347 )
            | ( ( tl @ ( cons @ SV88 @ SY347 ) )
              = SY347 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[622]) ).

thf(814,plain,
    ! [SV89: $i] :
      ( ( ~ ( ssItem @ SV89 )
        | ! [SY348: $i] :
            ( ~ ( ssList @ SY348 )
            | ( ( hd @ ( cons @ SV89 @ SY348 ) )
              = SV89 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[623]) ).

thf(815,plain,
    ! [SV90: $i] :
      ( ( ! [SY349: $i] :
            ( ( ( cons @ SV90 @ SY349 )
             != nil )
            | ~ ( ssItem @ SV90 )
            | ~ ( ssList @ SY349 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[624]) ).

thf(816,plain,
    ! [SV91: $i] :
      ( ( ! [SY350: $i] :
            ( ( ( cons @ SV91 @ SY350 )
             != SY350 )
            | ~ ( ssItem @ SV91 )
            | ~ ( ssList @ SY350 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[625]) ).

thf(817,plain,
    ! [SV92: $i] :
      ( ( ~ ( ssList @ SV92 )
        | ! [SY351: $i] :
            ( ~ ( ssList @ SY351 )
            | ( SY351 = SV92 )
            | ( neq @ SY351 @ SV92 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[626]) ).

thf(818,plain,
    ! [SV93: $i] :
      ( ( ~ ( singletonP @ SV93 )
        | ~ ( ssList @ SV93 )
        | ( ( cons @ ( skaf44 @ SV93 ) @ nil )
          = SV93 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[627]) ).

thf(819,plain,
    ! [SV94: $i] :
      ( ( ~ ( ssItem @ SV94 )
        | ! [SY352: $i] :
            ( ~ ( ssItem @ SY352 )
            | ( SY352 = SV94 )
            | ( neq @ SY352 @ SV94 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[628]) ).

thf(820,plain,
    ! [SV95: $i] :
      ( ( ! [SY353: $i] :
            ( ~ ( lt @ SV95 @ SY353 )
            | ~ ( ssItem @ SY353 )
            | ~ ( ssItem @ SV95 )
            | ( leq @ SV95 @ SY353 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[629]) ).

thf(821,plain,
    ! [SV96: $i] :
      ( ( ~ ( ssList @ SV96 )
        | ( ( cons @ ( hd @ SV96 ) @ ( tl @ SV96 ) )
          = SV96 )
        | ( nil = SV96 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[630]) ).

thf(822,plain,
    ! [SV97: $i] :
      ( ( ! [SY354: $i] :
            ( ~ ( gt @ SV97 @ SY354 )
            | ~ ( ssItem @ SY354 )
            | ~ ( ssItem @ SV97 )
            | ( lt @ SY354 @ SV97 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[631]) ).

thf(823,plain,
    ! [SV98: $i] :
      ( ( ! [SY355: $i] :
            ( ~ ( lt @ SV98 @ SY355 )
            | ~ ( ssItem @ SV98 )
            | ~ ( ssItem @ SY355 )
            | ( gt @ SY355 @ SV98 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[632]) ).

thf(824,plain,
    ! [SV99: $i] :
      ( ( ! [SY356: $i] :
            ( ~ ( geq @ SV99 @ SY356 )
            | ~ ( ssItem @ SY356 )
            | ~ ( ssItem @ SV99 )
            | ( leq @ SY356 @ SV99 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[633]) ).

thf(825,plain,
    ! [SV100: $i] :
      ( ( ! [SY357: $i] :
            ( ~ ( leq @ SV100 @ SY357 )
            | ~ ( ssItem @ SV100 )
            | ~ ( ssItem @ SY357 )
            | ( geq @ SY357 @ SV100 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[634]) ).

thf(826,plain,
    ! [SV101: $i] :
      ( ( ~ ( ssList @ SV101 )
        | ( ( cons @ ( skaf83 @ SV101 ) @ ( skaf82 @ SV101 ) )
          = SV101 )
        | ( nil = SV101 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[635]) ).

thf(827,plain,
    ! [SV102: $i] :
      ( ( ! [SY358: $i] :
            ( ~ ( gt @ SV102 @ SY358 )
            | ~ ( gt @ SY358 @ SV102 )
            | ~ ( ssItem @ SV102 )
            | ~ ( ssItem @ SY358 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[636]) ).

thf(828,plain,
    ! [SV103: $i] :
      ( ( ! [SY359: $i] :
            ( ( SV103 != SY359 )
            | ~ ( lt @ SV103 @ SY359 )
            | ~ ( ssItem @ SY359 )
            | ~ ( ssItem @ SV103 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[637]) ).

thf(829,plain,
    ! [SV104: $i] :
      ( ( ( nil != SV104 )
        | ~ ( ssList @ SV104 )
        | ! [SY360: $i] :
            ( ~ ( ssItem @ SY360 )
            | ( strictorderedP @ ( cons @ SY360 @ SV104 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[638]) ).

thf(830,plain,
    ! [SV105: $i] :
      ( ( ( nil != SV105 )
        | ~ ( ssList @ SV105 )
        | ! [SY361: $i] :
            ( ~ ( ssItem @ SY361 )
            | ( totalorderedP @ ( cons @ SY361 @ SV105 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[639]) ).

thf(831,plain,
    ! [SV106: $i] :
      ( ( ! [SY362: $i] :
            ( ~ ( lt @ SV106 @ SY362 )
            | ~ ( lt @ SY362 @ SV106 )
            | ~ ( ssItem @ SV106 )
            | ~ ( ssItem @ SY362 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[640]) ).

thf(832,plain,
    ! [SV107: $i] :
      ( ( ! [SY363: $i] :
            ( ( SV107 != SY363 )
            | ~ ( neq @ SV107 @ SY363 )
            | ~ ( ssList @ SY363 )
            | ~ ( ssList @ SV107 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[641]) ).

thf(833,plain,
    ! [SV108: $i] :
      ( ( ! [SY364: $i] :
            ( ( ( cons @ SV108 @ nil )
             != SY364 )
            | ~ ( ssItem @ SV108 )
            | ~ ( ssList @ SY364 )
            | ( singletonP @ SY364 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[642]) ).

thf(834,plain,
    ! [SV109: $i] :
      ( ( ! [SY365: $i] :
            ( ( SV109 != SY365 )
            | ~ ( neq @ SV109 @ SY365 )
            | ~ ( ssItem @ SY365 )
            | ~ ( ssItem @ SV109 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[643]) ).

thf(835,plain,
    ! [SV110: $i] :
      ( ( ! [SY366: $i] :
            ( ( ( app @ SV110 @ SY366 )
             != nil )
            | ~ ( ssList @ SY366 )
            | ~ ( ssList @ SV110 )
            | ( nil = SV110 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[644]) ).

thf(836,plain,
    ! [SV111: $i] :
      ( ( ! [SY367: $i] :
            ( ( ( app @ SV111 @ SY367 )
             != nil )
            | ~ ( ssList @ SY367 )
            | ~ ( ssList @ SV111 )
            | ( nil = SY367 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[645]) ).

thf(837,plain,
    ! [SV112: $i] :
      ( ( ~ ( ssItem @ SV112 )
        | ! [SY368: $i] :
            ( ~ ( ssList @ SY368 )
            | ( ( app @ ( cons @ SV112 @ nil ) @ SY368 )
              = ( cons @ SV112 @ SY368 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[646]) ).

thf(838,plain,
    ! [SV113: $i] :
      ( ( ! [SY369: $i] :
            ( ~ ( leq @ SV113 @ SY369 )
            | ~ ( ssItem @ SY369 )
            | ~ ( ssItem @ SV113 )
            | ( SV113 = SY369 )
            | ( lt @ SV113 @ SY369 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[647]) ).

thf(839,plain,
    ! [SV114: $i] :
      ( ( ! [SY370: $i] :
            ( ~ ( leq @ SV114 @ SY370 )
            | ~ ( ssItem @ SY370 )
            | ~ ( ssItem @ SV114 )
            | ( SV114 = SY370 )
            | ( lt @ SV114 @ SY370 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[648]) ).

thf(840,plain,
    ! [SV115: $i] :
      ( ( ~ ( ssList @ SV115 )
        | ! [SY371: $i] :
            ( ~ ( ssList @ SY371 )
            | ( nil = SY371 )
            | ( ( hd @ ( app @ SY371 @ SV115 ) )
              = ( hd @ SY371 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[649]) ).

thf(841,plain,
    ! [SV116: $i] :
      ( ( ! [SY372: $i] :
            ( ~ ( strictorderedP @ ( cons @ SV116 @ SY372 ) )
            | ~ ( ssList @ SY372 )
            | ~ ( ssItem @ SV116 )
            | ( nil = SY372 )
            | ( strictorderedP @ SY372 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[650]) ).

thf(842,plain,
    ! [SV117: $i] :
      ( ( ! [SY373: $i] :
            ( ~ ( totalorderedP @ ( cons @ SV117 @ SY373 ) )
            | ~ ( ssList @ SY373 )
            | ~ ( ssItem @ SV117 )
            | ( nil = SY373 )
            | ( totalorderedP @ SY373 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[651]) ).

thf(843,plain,
    ! [SV118: $i] :
      ( ( ! [SY374: $i] :
            ( ~ ( geq @ SV118 @ SY374 )
            | ~ ( geq @ SY374 @ SV118 )
            | ~ ( ssItem @ SV118 )
            | ~ ( ssItem @ SY374 )
            | ( SY374 = SV118 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[652]) ).

thf(844,plain,
    ! [SV119: $i] :
      ( ( ! [SY375: $i] :
            ( ~ ( segmentP @ SV119 @ SY375 )
            | ~ ( segmentP @ SY375 @ SV119 )
            | ~ ( ssList @ SV119 )
            | ~ ( ssList @ SY375 )
            | ( SY375 = SV119 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[653]) ).

thf(845,plain,
    ! [SV120: $i] :
      ( ( ! [SY376: $i] :
            ( ~ ( rearsegP @ SV120 @ SY376 )
            | ~ ( rearsegP @ SY376 @ SV120 )
            | ~ ( ssList @ SV120 )
            | ~ ( ssList @ SY376 )
            | ( SY376 = SV120 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[654]) ).

thf(846,plain,
    ! [SV121: $i] :
      ( ( ! [SY377: $i] :
            ( ~ ( frontsegP @ SV121 @ SY377 )
            | ~ ( frontsegP @ SY377 @ SV121 )
            | ~ ( ssList @ SV121 )
            | ~ ( ssList @ SY377 )
            | ( SY377 = SV121 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[655]) ).

thf(847,plain,
    ! [SV122: $i] :
      ( ( ! [SY378: $i] :
            ( ~ ( leq @ SV122 @ SY378 )
            | ~ ( leq @ SY378 @ SV122 )
            | ~ ( ssItem @ SV122 )
            | ~ ( ssItem @ SY378 )
            | ( SY378 = SV122 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[656]) ).

thf(848,plain,
    ! [SV123: $i] :
      ( ( ! [SY379: $i] :
            ( ~ ( rearsegP @ SV123 @ SY379 )
            | ~ ( ssList @ SY379 )
            | ~ ( ssList @ SV123 )
            | ( ( app @ ( skaf46 @ SV123 @ SY379 ) @ SY379 )
              = SV123 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[657]) ).

thf(849,plain,
    ! [SV124: $i] :
      ( ( ! [SY380: $i] :
            ( ~ ( frontsegP @ SV124 @ SY380 )
            | ~ ( ssList @ SY380 )
            | ~ ( ssList @ SV124 )
            | ( ( app @ SY380 @ ( skaf45 @ SV124 @ SY380 ) )
              = SV124 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[658]) ).

thf(850,plain,
    ! [SV125: $i] :
      ( ( ~ ( ssList @ SV125 )
        | ! [SY381: $i] :
            ( ~ ( ssList @ SY381 )
            | ( nil = SY381 )
            | ( ( tl @ ( app @ SY381 @ SV125 ) )
              = ( app @ ( tl @ SY381 ) @ SV125 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[659]) ).

thf(851,plain,
    ! [SV126: $i] :
      ( ( ! [SY382: $i] :
            ( ~ ( strictorderedP @ ( cons @ SV126 @ SY382 ) )
            | ~ ( ssList @ SY382 )
            | ~ ( ssItem @ SV126 )
            | ( nil = SY382 )
            | ( lt @ SV126 @ ( hd @ SY382 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[660]) ).

thf(852,plain,
    ! [SV127: $i] :
      ( ( ! [SY383: $i] :
            ( ~ ( totalorderedP @ ( cons @ SV127 @ SY383 ) )
            | ~ ( ssList @ SY383 )
            | ~ ( ssItem @ SV127 )
            | ( nil = SY383 )
            | ( leq @ SV127 @ ( hd @ SY383 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[661]) ).

thf(853,plain,
    ! [SV128: $i] :
      ( ( ! [SY384: $i] :
            ( ~ ( rearsegP @ SV128 @ SY384 )
            | ! [SY385: $i] :
                ( ~ ( ssList @ SY385 )
                | ~ ( ssList @ SY384 )
                | ~ ( ssList @ SV128 )
                | ( rearsegP @ ( app @ SY385 @ SV128 ) @ SY384 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[662]) ).

thf(854,plain,
    ! [SV129: $i] :
      ( ( ! [SY386: $i] :
            ( ~ ( frontsegP @ SV129 @ SY386 )
            | ! [SY387: $i] :
                ( ~ ( ssList @ SY387 )
                | ~ ( ssList @ SY386 )
                | ~ ( ssList @ SV129 )
                | ( frontsegP @ ( app @ SV129 @ SY387 ) @ SY386 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[663]) ).

thf(855,plain,
    ! [SV130: $i] :
      ( ( ! [SY388: $i] :
            ( ( SV130 != SY388 )
            | ! [SY389: $i] :
                ( ~ ( ssList @ SY389 )
                | ~ ( ssItem @ SY388 )
                | ~ ( ssItem @ SV130 )
                | ( memberP @ ( cons @ SY388 @ SY389 ) @ SV130 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[664]) ).

thf(856,plain,
    ! [SV131: $i] :
      ( ( ! [SY390: $i] :
            ( ~ ( memberP @ SV131 @ SY390 )
            | ~ ( ssList @ SV131 )
            | ! [SY391: $i] :
                ( ~ ( ssItem @ SY391 )
                | ~ ( ssItem @ SY390 )
                | ( memberP @ ( cons @ SY391 @ SV131 ) @ SY390 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[665]) ).

thf(857,plain,
    ! [SV132: $i] :
      ( ( ! [SY392: $i] :
            ( ~ ( memberP @ SV132 @ SY392 )
            | ! [SY393: $i] :
                ( ~ ( ssList @ SY393 )
                | ~ ( ssList @ SV132 )
                | ~ ( ssItem @ SY392 )
                | ( memberP @ ( app @ SV132 @ SY393 ) @ SY392 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[666]) ).

thf(858,plain,
    ! [SV133: $i] :
      ( ( ! [SY394: $i] :
            ( ~ ( memberP @ SV133 @ SY394 )
            | ~ ( ssList @ SV133 )
            | ! [SY395: $i] :
                ( ~ ( ssList @ SY395 )
                | ~ ( ssItem @ SY394 )
                | ( memberP @ ( app @ SY395 @ SV133 ) @ SY394 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[667]) ).

thf(859,plain,
    ! [SV134: $i] :
      ( ( ~ ( ssList @ SV134 )
        | ( ( app @ ( skaf80 @ SV134 ) @ ( cons @ ( skaf78 @ SV134 ) @ ( cons @ ( skaf79 @ SV134 ) @ ( skaf81 @ SV134 ) ) ) )
          = SV134 )
        | ( equalelemsP @ SV134 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[668]) ).

thf(860,plain,
    ! [SV135: $i] :
      ( ( ! [SY396: $i,SY397: $i] :
            ( ( ( app @ SV135 @ SY396 )
             != SY397 )
            | ~ ( ssList @ SV135 )
            | ~ ( ssList @ SY396 )
            | ~ ( ssList @ SY397 )
            | ( rearsegP @ SY397 @ SY396 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[669]) ).

thf(861,plain,
    ! [SV136: $i] :
      ( ( ! [SY398: $i,SY399: $i] :
            ( ( ( app @ SV136 @ SY398 )
             != SY399 )
            | ~ ( ssList @ SY398 )
            | ~ ( ssList @ SV136 )
            | ~ ( ssList @ SY399 )
            | ( frontsegP @ SY399 @ SV136 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[670]) ).

thf(862,plain,
    ! [SV137: $i] :
      ( ( ( nil != SV137 )
        | ! [SY400: $i] :
            ( ( nil != SY400 )
            | ~ ( ssList @ SY400 )
            | ~ ( ssList @ SV137 )
            | ( ( app @ SV137 @ SY400 )
              = nil ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[671]) ).

thf(863,plain,
    ! [SV138: $i] :
      ( ( ! [SY401: $i] :
            ( ~ ( gt @ SV138 @ SY401 )
            | ! [SY402: $i] :
                ( ~ ( gt @ SY401 @ SY402 )
                | ~ ( ssItem @ SY402 )
                | ~ ( ssItem @ SY401 )
                | ~ ( ssItem @ SV138 )
                | ( gt @ SV138 @ SY402 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[672]) ).

thf(864,plain,
    ! [SV139: $i] :
      ( ( ! [SY403: $i] :
            ( ~ ( leq @ SV139 @ SY403 )
            | ! [SY404: $i] :
                ( ~ ( lt @ SY403 @ SY404 )
                | ~ ( ssItem @ SY404 )
                | ~ ( ssItem @ SY403 )
                | ~ ( ssItem @ SV139 )
                | ( lt @ SV139 @ SY404 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[673]) ).

thf(865,plain,
    ! [SV140: $i] :
      ( ( ! [SY405: $i] :
            ( ~ ( geq @ SV140 @ SY405 )
            | ! [SY406: $i] :
                ( ~ ( geq @ SY405 @ SY406 )
                | ~ ( ssItem @ SY406 )
                | ~ ( ssItem @ SY405 )
                | ~ ( ssItem @ SV140 )
                | ( geq @ SV140 @ SY406 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[674]) ).

thf(866,plain,
    ! [SV141: $i] :
      ( ( ~ ( ssList @ SV141 )
        | ! [SY407: $i] :
            ( ~ ( ssList @ SY407 )
            | ! [SY408: $i] :
                ( ~ ( ssList @ SY408 )
                | ( ( app @ ( app @ SY408 @ SY407 ) @ SV141 )
                  = ( app @ SY408 @ ( app @ SY407 @ SV141 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[675]) ).

thf(867,plain,
    ! [SV142: $i] :
      ( ( ! [SY409: $i,SY410: $i] :
            ( ( ( app @ SV142 @ SY409 )
             != ( app @ SV142 @ SY410 ) )
            | ~ ( ssList @ SY409 )
            | ~ ( ssList @ SV142 )
            | ~ ( ssList @ SY410 )
            | ( SY409 = SY410 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[676]) ).

thf(868,plain,
    ! [SV143: $i] :
      ( ( ! [SY411: $i,SY412: $i] :
            ( ( ( app @ SV143 @ SY411 )
             != ( app @ SY412 @ SY411 ) )
            | ~ ( ssList @ SV143 )
            | ~ ( ssList @ SY411 )
            | ~ ( ssList @ SY412 )
            | ( SV143 = SY412 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[677]) ).

thf(869,plain,
    ! [SV144: $i] :
      ( ( ! [SY413: $i] :
            ( ~ ( segmentP @ SV144 @ SY413 )
            | ! [SY414: $i] :
                ( ~ ( segmentP @ SY413 @ SY414 )
                | ~ ( ssList @ SY414 )
                | ~ ( ssList @ SY413 )
                | ~ ( ssList @ SV144 )
                | ( segmentP @ SV144 @ SY414 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[678]) ).

thf(870,plain,
    ! [SV145: $i] :
      ( ( ! [SY415: $i] :
            ( ~ ( rearsegP @ SV145 @ SY415 )
            | ! [SY416: $i] :
                ( ~ ( rearsegP @ SY415 @ SY416 )
                | ~ ( ssList @ SY416 )
                | ~ ( ssList @ SY415 )
                | ~ ( ssList @ SV145 )
                | ( rearsegP @ SV145 @ SY416 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[679]) ).

thf(871,plain,
    ! [SV146: $i] :
      ( ( ! [SY417: $i] :
            ( ~ ( frontsegP @ SV146 @ SY417 )
            | ! [SY418: $i] :
                ( ~ ( frontsegP @ SY417 @ SY418 )
                | ~ ( ssList @ SY418 )
                | ~ ( ssList @ SY417 )
                | ~ ( ssList @ SV146 )
                | ( frontsegP @ SV146 @ SY418 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[680]) ).

thf(872,plain,
    ! [SV147: $i] :
      ( ( ! [SY419: $i] :
            ( ~ ( lt @ SV147 @ SY419 )
            | ! [SY420: $i] :
                ( ~ ( lt @ SY419 @ SY420 )
                | ~ ( ssItem @ SY420 )
                | ~ ( ssItem @ SY419 )
                | ~ ( ssItem @ SV147 )
                | ( lt @ SV147 @ SY420 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[681]) ).

thf(873,plain,
    ! [SV148: $i] :
      ( ( ! [SY421: $i] :
            ( ~ ( leq @ SV148 @ SY421 )
            | ! [SY422: $i] :
                ( ~ ( leq @ SY421 @ SY422 )
                | ~ ( ssItem @ SY422 )
                | ~ ( ssItem @ SY421 )
                | ~ ( ssItem @ SV148 )
                | ( leq @ SV148 @ SY422 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[682]) ).

thf(874,plain,
    ! [SV149: $i] :
      ( ( ~ ( ssItem @ SV149 )
        | ! [SY423: $i] :
            ( ~ ( ssList @ SY423 )
            | ! [SY424: $i] :
                ( ~ ( ssList @ SY424 )
                | ( ( cons @ SV149 @ ( app @ SY423 @ SY424 ) )
                  = ( app @ ( cons @ SV149 @ SY423 ) @ SY424 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[683]) ).

thf(875,plain,
    ! [SV150: $i] :
      ( ( ! [SY425: $i,SY426: $i] :
            ( ~ ( memberP @ ( app @ SV150 @ SY425 ) @ SY426 )
            | ~ ( ssList @ SY425 )
            | ~ ( ssList @ SV150 )
            | ~ ( ssItem @ SY426 )
            | ( memberP @ SY425 @ SY426 )
            | ( memberP @ SV150 @ SY426 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[684]) ).

thf(876,plain,
    ! [SV151: $i] :
      ( ( ! [SY427: $i] :
            ( ~ ( leq @ SV151 @ ( hd @ SY427 ) )
            | ~ ( totalorderedP @ SY427 )
            | ~ ( ssList @ SY427 )
            | ~ ( ssItem @ SV151 )
            | ( nil = SY427 )
            | ( totalorderedP @ ( cons @ SV151 @ SY427 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[685]) ).

thf(877,plain,
    ! [SV152: $i] :
      ( ( ! [SY428: $i] :
            ( ~ ( lt @ SV152 @ ( hd @ SY428 ) )
            | ~ ( strictorderedP @ SY428 )
            | ~ ( ssList @ SY428 )
            | ~ ( ssItem @ SV152 )
            | ( nil = SY428 )
            | ( strictorderedP @ ( cons @ SV152 @ SY428 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[686]) ).

thf(878,plain,
    ! [SV153: $i] :
      ( ( ! [SY429: $i,SY430: $i] :
            ( ~ ( memberP @ ( cons @ SV153 @ SY429 ) @ SY430 )
            | ~ ( ssList @ SY429 )
            | ~ ( ssItem @ SV153 )
            | ~ ( ssItem @ SY430 )
            | ( SY430 = SV153 )
            | ( memberP @ SY429 @ SY430 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[687]) ).

thf(879,plain,
    ! [SV154: $i] :
      ( ( ~ ( ssList @ SV154 )
        | ( ( app @ ( app @ ( skaf75 @ SV154 ) @ ( cons @ ( skaf74 @ SV154 ) @ ( skaf76 @ SV154 ) ) ) @ ( cons @ ( skaf74 @ SV154 ) @ ( skaf77 @ SV154 ) ) )
          = SV154 )
        | ( duplicatefreeP @ SV154 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[688]) ).

thf(880,plain,
    ! [SV155: $i] :
      ( ( ~ ( ssList @ SV155 )
        | ( ( app @ ( app @ ( skaf71 @ SV155 ) @ ( cons @ ( skaf69 @ SV155 ) @ ( skaf72 @ SV155 ) ) ) @ ( cons @ ( skaf70 @ SV155 ) @ ( skaf73 @ SV155 ) ) )
          = SV155 )
        | ( strictorderedP @ SV155 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[689]) ).

thf(881,plain,
    ! [SV156: $i] :
      ( ( ~ ( ssList @ SV156 )
        | ( ( app @ ( app @ ( skaf66 @ SV156 ) @ ( cons @ ( skaf64 @ SV156 ) @ ( skaf67 @ SV156 ) ) ) @ ( cons @ ( skaf65 @ SV156 ) @ ( skaf68 @ SV156 ) ) )
          = SV156 )
        | ( totalorderedP @ SV156 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[690]) ).

thf(882,plain,
    ! [SV157: $i] :
      ( ( ~ ( ssList @ SV157 )
        | ( ( app @ ( app @ ( skaf61 @ SV157 ) @ ( cons @ ( skaf59 @ SV157 ) @ ( skaf62 @ SV157 ) ) ) @ ( cons @ ( skaf60 @ SV157 ) @ ( skaf63 @ SV157 ) ) )
          = SV157 )
        | ( strictorderP @ SV157 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[691]) ).

thf(883,plain,
    ! [SV158: $i] :
      ( ( ~ ( ssList @ SV158 )
        | ( ( app @ ( app @ ( skaf56 @ SV158 ) @ ( cons @ ( skaf54 @ SV158 ) @ ( skaf57 @ SV158 ) ) ) @ ( cons @ ( skaf55 @ SV158 ) @ ( skaf58 @ SV158 ) ) )
          = SV158 )
        | ( totalorderP @ SV158 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[692]) ).

thf(884,plain,
    ! [SV159: $i] :
      ( ( ~ ( ssList @ SV159 )
        | ( ( app @ ( app @ ( skaf51 @ SV159 ) @ ( cons @ ( skaf49 @ SV159 ) @ ( skaf52 @ SV159 ) ) ) @ ( cons @ ( skaf50 @ SV159 ) @ ( skaf53 @ SV159 ) ) )
          = SV159 )
        | ( cyclefreeP @ SV159 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[693]) ).

thf(885,plain,
    ! [SV160: $i] :
      ( ( ! [SY431: $i] :
            ( ~ ( segmentP @ SV160 @ SY431 )
            | ~ ( ssList @ SY431 )
            | ~ ( ssList @ SV160 )
            | ( ( app @ ( app @ ( skaf47 @ SV160 @ SY431 ) @ SY431 ) @ ( skaf48 @ SY431 @ SV160 ) )
              = SV160 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[694]) ).

thf(886,plain,
    ! [SV161: $i] :
      ( ( ! [SY432: $i] :
            ( ~ ( memberP @ SV161 @ SY432 )
            | ~ ( ssItem @ SY432 )
            | ~ ( ssList @ SV161 )
            | ( ( app @ ( skaf42 @ SV161 @ SY432 ) @ ( cons @ SY432 @ ( skaf43 @ SY432 @ SV161 ) ) )
              = SV161 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[695]) ).

thf(887,plain,
    ! [SV162: $i] :
      ( ( ! [SY433: $i,SY434: $i,SY435: $i] :
            ( ( ( cons @ SV162 @ SY433 )
             != ( cons @ SY434 @ SY435 ) )
            | ~ ( ssItem @ SY434 )
            | ~ ( ssItem @ SV162 )
            | ~ ( ssList @ SY435 )
            | ~ ( ssList @ SY433 )
            | ( SV162 = SY434 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[696]) ).

thf(888,plain,
    ! [SV163: $i] :
      ( ( ! [SY436: $i,SY437: $i,SY438: $i] :
            ( ( ( cons @ SV163 @ SY436 )
             != ( cons @ SY437 @ SY438 ) )
            | ~ ( ssItem @ SY437 )
            | ~ ( ssItem @ SV163 )
            | ~ ( ssList @ SY438 )
            | ~ ( ssList @ SY436 )
            | ( SY438 = SY436 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[697]) ).

thf(889,plain,
    ! [SV164: $i] :
      ( ( ! [SY439: $i] :
            ( ~ ( segmentP @ SV164 @ SY439 )
            | ! [SY440: $i] :
                ( ~ ( ssList @ SY440 )
                | ! [SY441: $i] :
                    ( ~ ( ssList @ SY441 )
                    | ~ ( ssList @ SY439 )
                    | ~ ( ssList @ SV164 )
                    | ( segmentP @ ( app @ ( app @ SY441 @ SV164 ) @ SY440 ) @ SY439 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[698]) ).

thf(890,plain,
    ! [SV165: $i] :
      ( ( ! [SY442: $i,SY443: $i,SY444: $i] :
            ( ( ( app @ ( app @ SV165 @ SY442 ) @ SY443 )
             != SY444 )
            | ~ ( ssList @ SY443 )
            | ~ ( ssList @ SV165 )
            | ~ ( ssList @ SY442 )
            | ~ ( ssList @ SY444 )
            | ( segmentP @ SY444 @ SY442 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[699]) ).

thf(891,plain,
    ! [SV166: $i] :
      ( ( ! [SY445: $i,SY446: $i,SY447: $i] :
            ( ~ ( frontsegP @ ( cons @ SV166 @ SY445 ) @ ( cons @ SY446 @ SY447 ) )
            | ~ ( ssList @ SY447 )
            | ~ ( ssList @ SY445 )
            | ~ ( ssItem @ SY446 )
            | ~ ( ssItem @ SV166 )
            | ( frontsegP @ SY445 @ SY447 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[700]) ).

thf(892,plain,
    ! [SV167: $i] :
      ( ( ! [SY448: $i,SY449: $i,SY450: $i] :
            ( ( ( app @ SV167 @ ( cons @ SY448 @ SY449 ) )
             != SY450 )
            | ~ ( ssList @ SY449 )
            | ~ ( ssList @ SV167 )
            | ~ ( ssItem @ SY448 )
            | ~ ( ssList @ SY450 )
            | ( memberP @ SY450 @ SY448 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[701]) ).

thf(893,plain,
    ! [SV168: $i] :
      ( ( ! [SY451: $i,SY452: $i,SY453: $i] :
            ( ~ ( frontsegP @ ( cons @ SV168 @ SY451 ) @ ( cons @ SY452 @ SY453 ) )
            | ~ ( ssList @ SY453 )
            | ~ ( ssList @ SY451 )
            | ~ ( ssItem @ SY452 )
            | ~ ( ssItem @ SV168 )
            | ( SV168 = SY452 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[702]) ).

thf(894,plain,
    ! [SV169: $i] :
      ( ( ! [SY454: $i] :
            ( ( ( tl @ SV169 )
             != ( tl @ SY454 ) )
            | ( ( hd @ SV169 )
             != ( hd @ SY454 ) )
            | ~ ( ssList @ SV169 )
            | ~ ( ssList @ SY454 )
            | ( nil = SY454 )
            | ( SV169 = SY454 )
            | ( nil = SV169 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[703]) ).

thf(895,plain,
    ! [SV170: $i] :
      ( ( ! [SY455: $i] :
            ( ~ ( frontsegP @ SV170 @ SY455 )
            | ! [SY456: $i,SY457: $i] :
                ( ( SY456 != SY457 )
                | ~ ( ssList @ SY455 )
                | ~ ( ssList @ SV170 )
                | ~ ( ssItem @ SY457 )
                | ~ ( ssItem @ SY456 )
                | ( frontsegP @ ( cons @ SY456 @ SV170 ) @ ( cons @ SY457 @ SY455 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[704]) ).

thf(896,plain,
    ! [SV171: $i] :
      ( ( ! [SY458: $i,SY459: $i,SY460: $i,SY461: $i] :
            ( ( ( app @ ( app @ SV171 @ ( cons @ SY458 @ SY459 ) ) @ ( cons @ SY458 @ SY460 ) )
             != SY461 )
            | ~ ( ssList @ SY460 )
            | ~ ( ssList @ SY459 )
            | ~ ( ssList @ SV171 )
            | ~ ( ssItem @ SY458 )
            | ~ ( duplicatefreeP @ SY461 )
            | ~ ( ssList @ SY461 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[705]) ).

thf(897,plain,
    ! [SV172: $i] :
      ( ( ! [SY462: $i,SY463: $i,SY464: $i,SY465: $i] :
            ( ( ( app @ SV172 @ ( cons @ SY462 @ ( cons @ SY463 @ SY464 ) ) )
             != SY465 )
            | ~ ( ssList @ SY464 )
            | ~ ( ssList @ SV172 )
            | ~ ( ssItem @ SY463 )
            | ~ ( ssItem @ SY462 )
            | ~ ( equalelemsP @ SY465 )
            | ~ ( ssList @ SY465 )
            | ( SY462 = SY463 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[706]) ).

thf(898,plain,
    ! [SV173: $i] :
      ( ( ! [SY466: $i,SY467: $i,SY468: $i,SY469: $i,SY470: $i] :
            ( ( ( app @ ( app @ SV173 @ ( cons @ SY466 @ SY467 ) ) @ ( cons @ SY468 @ SY469 ) )
             != SY470 )
            | ~ ( ssList @ SY469 )
            | ~ ( ssList @ SY467 )
            | ~ ( ssList @ SV173 )
            | ~ ( ssItem @ SY468 )
            | ~ ( ssItem @ SY466 )
            | ~ ( strictorderedP @ SY470 )
            | ~ ( ssList @ SY470 )
            | ( lt @ SY466 @ SY468 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[707]) ).

thf(899,plain,
    ! [SV174: $i] :
      ( ( ! [SY471: $i,SY472: $i,SY473: $i,SY474: $i,SY475: $i] :
            ( ( ( app @ ( app @ SV174 @ ( cons @ SY471 @ SY472 ) ) @ ( cons @ SY473 @ SY474 ) )
             != SY475 )
            | ~ ( ssList @ SY474 )
            | ~ ( ssList @ SY472 )
            | ~ ( ssList @ SV174 )
            | ~ ( ssItem @ SY473 )
            | ~ ( ssItem @ SY471 )
            | ~ ( totalorderedP @ SY475 )
            | ~ ( ssList @ SY475 )
            | ( leq @ SY471 @ SY473 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[708]) ).

thf(900,plain,
    ! [SV175: $i] :
      ( ( ! [SY476: $i,SY477: $i,SY478: $i,SY479: $i,SY480: $i] :
            ( ( ( app @ ( app @ SV175 @ ( cons @ SY476 @ SY477 ) ) @ ( cons @ SY478 @ SY479 ) )
             != SY480 )
            | ~ ( ssList @ SY479 )
            | ~ ( ssList @ SY477 )
            | ~ ( ssList @ SV175 )
            | ~ ( ssItem @ SY478 )
            | ~ ( ssItem @ SY476 )
            | ~ ( strictorderP @ SY480 )
            | ~ ( ssList @ SY480 )
            | ( lt @ SY476 @ SY478 )
            | ( lt @ SY478 @ SY476 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[709]) ).

thf(901,plain,
    ! [SV176: $i] :
      ( ( ! [SY481: $i,SY482: $i,SY483: $i,SY484: $i,SY485: $i] :
            ( ( ( app @ ( app @ SV176 @ ( cons @ SY481 @ SY482 ) ) @ ( cons @ SY483 @ SY484 ) )
             != SY485 )
            | ~ ( ssList @ SY484 )
            | ~ ( ssList @ SY482 )
            | ~ ( ssList @ SV176 )
            | ~ ( ssItem @ SY483 )
            | ~ ( ssItem @ SY481 )
            | ~ ( totalorderP @ SY485 )
            | ~ ( ssList @ SY485 )
            | ( leq @ SY481 @ SY483 )
            | ( leq @ SY483 @ SY481 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[710]) ).

thf(902,plain,
    ! [SV177: $i] :
      ( ( ! [SY486: $i,SY487: $i,SY488: $i] :
            ( ~ ( leq @ SV177 @ SY486 )
            | ~ ( leq @ SY486 @ SV177 )
            | ! [SY489: $i,SY490: $i] :
                ( ( ( app @ ( app @ SY487 @ ( cons @ SV177 @ SY488 ) ) @ ( cons @ SY486 @ SY489 ) )
                 != SY490 )
                | ~ ( ssList @ SY489 )
                | ~ ( ssList @ SY488 )
                | ~ ( ssList @ SY487 )
                | ~ ( ssItem @ SY486 )
                | ~ ( ssItem @ SV177 )
                | ~ ( cyclefreeP @ SY490 )
                | ~ ( ssList @ SY490 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[711]) ).

thf(903,plain,
    $false = $false,
    inference(extcnf_not_pos,[status(thm)],[712]) ).

thf(904,plain,
    ( ( ( neq @ sk4 @ nil )
      = $false )
    | ( ( neq @ sk2 @ nil )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[713]) ).

thf(905,plain,
    ! [SV1: $i] :
      ( ( ( ~ ( ssItem @ SV1 ) )
        = $true )
      | ( ( ! [SY334: $i] :
              ( ~ ( ssList @ SY334 )
              | ! [SY335: $i] :
                  ( ~ ( ssList @ SY335 )
                  | ( ( app @ ( app @ SY334 @ ( cons @ SV1 @ nil ) ) @ SY335 )
                   != sk2 )
                  | ( ( app @ SY334 @ SY335 )
                   != sk1 )
                  | ( neq @ sk2 @ nil ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[714]) ).

thf(906,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( ssItem @ SV2 ) )
        = $true )
      | ( ( ( sk5 = SV2 )
          | ~ ( memberP @ sk4 @ SV2 )
          | ~ ( geq @ SV2 @ sk5 )
          | ( neq @ sk2 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[720]) ).

thf(907,plain,
    ! [SV3: $i] :
      ( ( ( ~ ( ssItem @ SV3 ) )
        = $true )
      | ( ( ! [SY336: $i] :
              ( ~ ( ssList @ SY336 )
              | ! [SY337: $i] :
                  ( ~ ( ssList @ SY337 )
                  | ( ( app @ ( app @ SY336 @ ( cons @ SV3 @ nil ) ) @ SY337 )
                   != sk2 )
                  | ( ( app @ SY336 @ SY337 )
                   != sk1 )
                  | ~ ( neq @ sk4 @ nil ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[721]) ).

thf(908,plain,
    ( ( ( neq @ sk4 @ nil )
      = $false )
    | ( ( ssItem @ sk5 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[722]) ).

thf(909,plain,
    ( ( ( neq @ sk4 @ nil )
      = $false )
    | ( ( ssList @ sk6 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[723]) ).

thf(910,plain,
    ( ( ( neq @ sk4 @ nil )
      = $false )
    | ( ( ssList @ sk7 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[724]) ).

thf(911,plain,
    ( ( ( neq @ sk4 @ nil )
      = $false )
    | ( ( ( app @ ( app @ sk6 @ ( cons @ sk5 @ nil ) ) @ sk7 )
        = sk4 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[725]) ).

thf(912,plain,
    ( ( ( neq @ sk4 @ nil )
      = $false )
    | ( ( ( app @ sk6 @ sk7 )
        = sk3 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[726]) ).

thf(913,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( ssItem @ SV4 ) )
        = $true )
      | ( ( ( sk5 = SV4 )
          | ~ ( memberP @ sk4 @ SV4 )
          | ~ ( geq @ SV4 @ sk5 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[727]) ).

thf(914,plain,
    ! [SV178: $i,SV41: $i] :
      ( ( ssList @ ( skaf48 @ SV41 @ SV178 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[765]) ).

thf(915,plain,
    ! [SV179: $i,SV42: $i] :
      ( ( ssList @ ( skaf47 @ SV42 @ SV179 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[766]) ).

thf(916,plain,
    ! [SV180: $i,SV43: $i] :
      ( ( ssList @ ( skaf46 @ SV43 @ SV180 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[767]) ).

thf(917,plain,
    ! [SV181: $i,SV44: $i] :
      ( ( ssList @ ( skaf45 @ SV44 @ SV181 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[768]) ).

thf(918,plain,
    ! [SV182: $i,SV45: $i] :
      ( ( ssList @ ( skaf43 @ SV45 @ SV182 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[769]) ).

thf(919,plain,
    ! [SV183: $i,SV46: $i] :
      ( ( ssList @ ( skaf42 @ SV46 @ SV183 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[770]) ).

thf(920,plain,
    ! [SV47: $i] :
      ( ( ( ~ ( ssItem @ SV47 ) )
        = $true )
      | ( ( geq @ SV47 @ SV47 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[772]) ).

thf(921,plain,
    ! [SV48: $i] :
      ( ( ( ~ ( ssList @ SV48 ) )
        = $true )
      | ( ( segmentP @ SV48 @ nil )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[773]) ).

thf(922,plain,
    ! [SV49: $i] :
      ( ( ( ~ ( ssList @ SV49 ) )
        = $true )
      | ( ( segmentP @ SV49 @ SV49 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[774]) ).

thf(923,plain,
    ! [SV50: $i] :
      ( ( ( ~ ( ssList @ SV50 ) )
        = $true )
      | ( ( rearsegP @ SV50 @ nil )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[775]) ).

thf(924,plain,
    ! [SV51: $i] :
      ( ( ( ~ ( ssList @ SV51 ) )
        = $true )
      | ( ( rearsegP @ SV51 @ SV51 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[776]) ).

thf(925,plain,
    ! [SV52: $i] :
      ( ( ( ~ ( ssList @ SV52 ) )
        = $true )
      | ( ( frontsegP @ SV52 @ nil )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[777]) ).

thf(926,plain,
    ! [SV53: $i] :
      ( ( ( ~ ( ssList @ SV53 ) )
        = $true )
      | ( ( frontsegP @ SV53 @ SV53 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[778]) ).

thf(927,plain,
    ! [SV54: $i] :
      ( ( ( ~ ( ssItem @ SV54 ) )
        = $true )
      | ( ( leq @ SV54 @ SV54 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[779]) ).

thf(928,plain,
    ! [SV55: $i] :
      ( ( ( ~ ( lt @ SV55 @ SV55 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV55 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[780]) ).

thf(929,plain,
    ! [SV56: $i] :
      ( ( ( ~ ( ssItem @ SV56 ) )
        = $true )
      | ( ( equalelemsP @ ( cons @ SV56 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[781]) ).

thf(930,plain,
    ! [SV57: $i] :
      ( ( ( ~ ( ssItem @ SV57 ) )
        = $true )
      | ( ( duplicatefreeP @ ( cons @ SV57 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[782]) ).

thf(931,plain,
    ! [SV58: $i] :
      ( ( ( ~ ( ssItem @ SV58 ) )
        = $true )
      | ( ( strictorderedP @ ( cons @ SV58 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[783]) ).

thf(932,plain,
    ! [SV59: $i] :
      ( ( ( ~ ( ssItem @ SV59 ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV59 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[784]) ).

thf(933,plain,
    ! [SV60: $i] :
      ( ( ( ~ ( ssItem @ SV60 ) )
        = $true )
      | ( ( strictorderP @ ( cons @ SV60 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[785]) ).

thf(934,plain,
    ! [SV61: $i] :
      ( ( ( ~ ( ssItem @ SV61 ) )
        = $true )
      | ( ( totalorderP @ ( cons @ SV61 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[786]) ).

thf(935,plain,
    ! [SV62: $i] :
      ( ( ( ~ ( ssItem @ SV62 ) )
        = $true )
      | ( ( cyclefreeP @ ( cons @ SV62 @ nil ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[787]) ).

thf(936,plain,
    ! [SV63: $i] :
      ( ( ( ~ ( memberP @ nil @ SV63 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV63 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[788]) ).

thf(937,plain,
    ! [SV64: $i] :
      ( ( ( ~ ( ssList @ SV64 ) )
        = $true )
      | ( ( ( duplicatefreeP @ SV64 )
          | ! [V: $i] : ( ssItem @ V ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[789]) ).

thf(938,plain,
    ! [SV65: $i] :
      ( ( ( ~ ( ssList @ SV65 ) )
        = $true )
      | ( ( ( app @ SV65 @ nil )
          = SV65 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[790]) ).

thf(939,plain,
    ! [SV66: $i] :
      ( ( ( ~ ( ssList @ SV66 ) )
        = $true )
      | ( ( ( app @ nil @ SV66 )
          = SV66 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[791]) ).

thf(940,plain,
    ! [SV67: $i] :
      ( ( ( ~ ( ssList @ SV67 ) )
        = $true )
      | ( ( ( nil = SV67 )
          | ( ssList @ ( tl @ SV67 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[792]) ).

thf(941,plain,
    ! [SV68: $i] :
      ( ( ( ~ ( ssList @ SV68 ) )
        = $true )
      | ( ( ( nil = SV68 )
          | ( ssItem @ ( hd @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[793]) ).

thf(942,plain,
    ! [SV69: $i] :
      ( ( ( ~ ( ssList @ SV69 ) )
        = $true )
      | ( ( ( nil = SV69 )
          | ( ssList @ ( tl @ SV69 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[794]) ).

thf(943,plain,
    ! [SV70: $i] :
      ( ( ( ~ ( ssList @ SV70 ) )
        = $true )
      | ( ( ( nil = SV70 )
          | ( ssItem @ ( hd @ SV70 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[795]) ).

thf(944,plain,
    ! [SV71: $i] :
      ( ( ( nil != SV71 )
        = $true )
      | ( ( ~ ( ssList @ SV71 )
          | ( segmentP @ nil @ SV71 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[796]) ).

thf(945,plain,
    ! [SV72: $i] :
      ( ( ( ~ ( segmentP @ nil @ SV72 ) )
        = $true )
      | ( ( ~ ( ssList @ SV72 )
          | ( nil = SV72 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[797]) ).

thf(946,plain,
    ! [SV73: $i] :
      ( ( ( nil != SV73 )
        = $true )
      | ( ( ~ ( ssList @ SV73 )
          | ( rearsegP @ nil @ SV73 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[798]) ).

thf(947,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( rearsegP @ nil @ SV74 ) )
        = $true )
      | ( ( ~ ( ssList @ SV74 )
          | ( nil = SV74 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[799]) ).

thf(948,plain,
    ! [SV75: $i] :
      ( ( ( nil != SV75 )
        = $true )
      | ( ( ~ ( ssList @ SV75 )
          | ( frontsegP @ nil @ SV75 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[800]) ).

thf(949,plain,
    ! [SV76: $i] :
      ( ( ( ~ ( frontsegP @ nil @ SV76 ) )
        = $true )
      | ( ( ~ ( ssList @ SV76 )
          | ( nil = SV76 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[801]) ).

thf(950,plain,
    ! [SV77: $i] :
      ( ( ( ~ ( ssList @ SV77 ) )
        = $true )
      | ( ( ! [SY345: $i] :
              ( ~ ( ssList @ SY345 )
              | ( ssList @ ( app @ SY345 @ SV77 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[802]) ).

thf(951,plain,
    ! [SV78: $i] :
      ( ( ( ~ ( ssItem @ SV78 ) )
        = $true )
      | ( ( ! [SY346: $i] :
              ( ~ ( ssList @ SY346 )
              | ( ssList @ ( cons @ SV78 @ SY346 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[803]) ).

thf(952,plain,
    ! [SV79: $i] :
      ( ( ( ~ ( ssList @ SV79 ) )
        = $true )
      | ( ( ( cyclefreeP @ SV79 )
          | ( leq @ ( skaf50 @ SV79 ) @ ( skaf49 @ SV79 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[804]) ).

thf(953,plain,
    ! [SV80: $i] :
      ( ( ( ~ ( ssList @ SV80 ) )
        = $true )
      | ( ( ( cyclefreeP @ SV80 )
          | ( leq @ ( skaf49 @ SV80 ) @ ( skaf50 @ SV80 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[805]) ).

thf(954,plain,
    ! [SV81: $i] :
      ( ( ( ( skaf79 @ SV81 )
         != ( skaf78 @ SV81 ) )
        = $true )
      | ( ( ~ ( ssList @ SV81 )
          | ( equalelemsP @ SV81 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[806]) ).

thf(955,plain,
    ! [SV82: $i] :
      ( ( ( ~ ( lt @ ( skaf69 @ SV82 ) @ ( skaf70 @ SV82 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV82 )
          | ( strictorderedP @ SV82 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[807]) ).

thf(956,plain,
    ! [SV83: $i] :
      ( ( ( ~ ( leq @ ( skaf64 @ SV83 ) @ ( skaf65 @ SV83 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV83 )
          | ( totalorderedP @ SV83 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[808]) ).

thf(957,plain,
    ! [SV84: $i] :
      ( ( ( ~ ( lt @ ( skaf60 @ SV84 ) @ ( skaf59 @ SV84 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV84 )
          | ( strictorderP @ SV84 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[809]) ).

thf(958,plain,
    ! [SV85: $i] :
      ( ( ( ~ ( lt @ ( skaf59 @ SV85 ) @ ( skaf60 @ SV85 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV85 )
          | ( strictorderP @ SV85 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[810]) ).

thf(959,plain,
    ! [SV86: $i] :
      ( ( ( ~ ( leq @ ( skaf55 @ SV86 ) @ ( skaf54 @ SV86 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV86 )
          | ( totalorderP @ SV86 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[811]) ).

thf(960,plain,
    ! [SV87: $i] :
      ( ( ( ~ ( leq @ ( skaf54 @ SV87 ) @ ( skaf55 @ SV87 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV87 )
          | ( totalorderP @ SV87 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[812]) ).

thf(961,plain,
    ! [SV88: $i] :
      ( ( ( ~ ( ssItem @ SV88 ) )
        = $true )
      | ( ( ! [SY347: $i] :
              ( ~ ( ssList @ SY347 )
              | ( ( tl @ ( cons @ SV88 @ SY347 ) )
                = SY347 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[813]) ).

thf(962,plain,
    ! [SV89: $i] :
      ( ( ( ~ ( ssItem @ SV89 ) )
        = $true )
      | ( ( ! [SY348: $i] :
              ( ~ ( ssList @ SY348 )
              | ( ( hd @ ( cons @ SV89 @ SY348 ) )
                = SV89 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[814]) ).

thf(963,plain,
    ! [SV184: $i,SV90: $i] :
      ( ( ( ( cons @ SV90 @ SV184 )
         != nil )
        | ~ ( ssItem @ SV90 )
        | ~ ( ssList @ SV184 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[815]) ).

thf(964,plain,
    ! [SV185: $i,SV91: $i] :
      ( ( ( ( cons @ SV91 @ SV185 )
         != SV185 )
        | ~ ( ssItem @ SV91 )
        | ~ ( ssList @ SV185 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[816]) ).

thf(965,plain,
    ! [SV92: $i] :
      ( ( ( ~ ( ssList @ SV92 ) )
        = $true )
      | ( ( ! [SY351: $i] :
              ( ~ ( ssList @ SY351 )
              | ( SY351 = SV92 )
              | ( neq @ SY351 @ SV92 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[817]) ).

thf(966,plain,
    ! [SV93: $i] :
      ( ( ( ~ ( singletonP @ SV93 ) )
        = $true )
      | ( ( ~ ( ssList @ SV93 )
          | ( ( cons @ ( skaf44 @ SV93 ) @ nil )
            = SV93 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[818]) ).

thf(967,plain,
    ! [SV94: $i] :
      ( ( ( ~ ( ssItem @ SV94 ) )
        = $true )
      | ( ( ! [SY352: $i] :
              ( ~ ( ssItem @ SY352 )
              | ( SY352 = SV94 )
              | ( neq @ SY352 @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[819]) ).

thf(968,plain,
    ! [SV186: $i,SV95: $i] :
      ( ( ~ ( lt @ SV95 @ SV186 )
        | ~ ( ssItem @ SV186 )
        | ~ ( ssItem @ SV95 )
        | ( leq @ SV95 @ SV186 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[820]) ).

thf(969,plain,
    ! [SV96: $i] :
      ( ( ( ~ ( ssList @ SV96 ) )
        = $true )
      | ( ( ( ( cons @ ( hd @ SV96 ) @ ( tl @ SV96 ) )
            = SV96 )
          | ( nil = SV96 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[821]) ).

thf(970,plain,
    ! [SV187: $i,SV97: $i] :
      ( ( ~ ( gt @ SV97 @ SV187 )
        | ~ ( ssItem @ SV187 )
        | ~ ( ssItem @ SV97 )
        | ( lt @ SV187 @ SV97 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[822]) ).

thf(971,plain,
    ! [SV188: $i,SV98: $i] :
      ( ( ~ ( lt @ SV98 @ SV188 )
        | ~ ( ssItem @ SV98 )
        | ~ ( ssItem @ SV188 )
        | ( gt @ SV188 @ SV98 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[823]) ).

thf(972,plain,
    ! [SV189: $i,SV99: $i] :
      ( ( ~ ( geq @ SV99 @ SV189 )
        | ~ ( ssItem @ SV189 )
        | ~ ( ssItem @ SV99 )
        | ( leq @ SV189 @ SV99 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[824]) ).

thf(973,plain,
    ! [SV190: $i,SV100: $i] :
      ( ( ~ ( leq @ SV100 @ SV190 )
        | ~ ( ssItem @ SV100 )
        | ~ ( ssItem @ SV190 )
        | ( geq @ SV190 @ SV100 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[825]) ).

thf(974,plain,
    ! [SV101: $i] :
      ( ( ( ~ ( ssList @ SV101 ) )
        = $true )
      | ( ( ( ( cons @ ( skaf83 @ SV101 ) @ ( skaf82 @ SV101 ) )
            = SV101 )
          | ( nil = SV101 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[826]) ).

thf(975,plain,
    ! [SV191: $i,SV102: $i] :
      ( ( ~ ( gt @ SV102 @ SV191 )
        | ~ ( gt @ SV191 @ SV102 )
        | ~ ( ssItem @ SV102 )
        | ~ ( ssItem @ SV191 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[827]) ).

thf(976,plain,
    ! [SV192: $i,SV103: $i] :
      ( ( ( SV103 != SV192 )
        | ~ ( lt @ SV103 @ SV192 )
        | ~ ( ssItem @ SV192 )
        | ~ ( ssItem @ SV103 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[828]) ).

thf(977,plain,
    ! [SV104: $i] :
      ( ( ( nil != SV104 )
        = $true )
      | ( ( ~ ( ssList @ SV104 )
          | ! [SY360: $i] :
              ( ~ ( ssItem @ SY360 )
              | ( strictorderedP @ ( cons @ SY360 @ SV104 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[829]) ).

thf(978,plain,
    ! [SV105: $i] :
      ( ( ( nil != SV105 )
        = $true )
      | ( ( ~ ( ssList @ SV105 )
          | ! [SY361: $i] :
              ( ~ ( ssItem @ SY361 )
              | ( totalorderedP @ ( cons @ SY361 @ SV105 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[830]) ).

thf(979,plain,
    ! [SV193: $i,SV106: $i] :
      ( ( ~ ( lt @ SV106 @ SV193 )
        | ~ ( lt @ SV193 @ SV106 )
        | ~ ( ssItem @ SV106 )
        | ~ ( ssItem @ SV193 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[831]) ).

thf(980,plain,
    ! [SV194: $i,SV107: $i] :
      ( ( ( SV107 != SV194 )
        | ~ ( neq @ SV107 @ SV194 )
        | ~ ( ssList @ SV194 )
        | ~ ( ssList @ SV107 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[832]) ).

thf(981,plain,
    ! [SV195: $i,SV108: $i] :
      ( ( ( ( cons @ SV108 @ nil )
         != SV195 )
        | ~ ( ssItem @ SV108 )
        | ~ ( ssList @ SV195 )
        | ( singletonP @ SV195 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[833]) ).

thf(982,plain,
    ! [SV196: $i,SV109: $i] :
      ( ( ( SV109 != SV196 )
        | ~ ( neq @ SV109 @ SV196 )
        | ~ ( ssItem @ SV196 )
        | ~ ( ssItem @ SV109 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[834]) ).

thf(983,plain,
    ! [SV197: $i,SV110: $i] :
      ( ( ( ( app @ SV110 @ SV197 )
         != nil )
        | ~ ( ssList @ SV197 )
        | ~ ( ssList @ SV110 )
        | ( nil = SV110 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[835]) ).

thf(984,plain,
    ! [SV198: $i,SV111: $i] :
      ( ( ( ( app @ SV111 @ SV198 )
         != nil )
        | ~ ( ssList @ SV198 )
        | ~ ( ssList @ SV111 )
        | ( nil = SV198 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[836]) ).

thf(985,plain,
    ! [SV112: $i] :
      ( ( ( ~ ( ssItem @ SV112 ) )
        = $true )
      | ( ( ! [SY368: $i] :
              ( ~ ( ssList @ SY368 )
              | ( ( app @ ( cons @ SV112 @ nil ) @ SY368 )
                = ( cons @ SV112 @ SY368 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[837]) ).

thf(986,plain,
    ! [SV199: $i,SV113: $i] :
      ( ( ~ ( leq @ SV113 @ SV199 )
        | ~ ( ssItem @ SV199 )
        | ~ ( ssItem @ SV113 )
        | ( SV113 = SV199 )
        | ( lt @ SV113 @ SV199 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[838]) ).

thf(987,plain,
    ! [SV200: $i,SV114: $i] :
      ( ( ~ ( leq @ SV114 @ SV200 )
        | ~ ( ssItem @ SV200 )
        | ~ ( ssItem @ SV114 )
        | ( SV114 = SV200 )
        | ( lt @ SV114 @ SV200 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[839]) ).

thf(988,plain,
    ! [SV115: $i] :
      ( ( ( ~ ( ssList @ SV115 ) )
        = $true )
      | ( ( ! [SY371: $i] :
              ( ~ ( ssList @ SY371 )
              | ( nil = SY371 )
              | ( ( hd @ ( app @ SY371 @ SV115 ) )
                = ( hd @ SY371 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[840]) ).

thf(989,plain,
    ! [SV201: $i,SV116: $i] :
      ( ( ~ ( strictorderedP @ ( cons @ SV116 @ SV201 ) )
        | ~ ( ssList @ SV201 )
        | ~ ( ssItem @ SV116 )
        | ( nil = SV201 )
        | ( strictorderedP @ SV201 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[841]) ).

thf(990,plain,
    ! [SV202: $i,SV117: $i] :
      ( ( ~ ( totalorderedP @ ( cons @ SV117 @ SV202 ) )
        | ~ ( ssList @ SV202 )
        | ~ ( ssItem @ SV117 )
        | ( nil = SV202 )
        | ( totalorderedP @ SV202 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[842]) ).

thf(991,plain,
    ! [SV203: $i,SV118: $i] :
      ( ( ~ ( geq @ SV118 @ SV203 )
        | ~ ( geq @ SV203 @ SV118 )
        | ~ ( ssItem @ SV118 )
        | ~ ( ssItem @ SV203 )
        | ( SV203 = SV118 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[843]) ).

thf(992,plain,
    ! [SV204: $i,SV119: $i] :
      ( ( ~ ( segmentP @ SV119 @ SV204 )
        | ~ ( segmentP @ SV204 @ SV119 )
        | ~ ( ssList @ SV119 )
        | ~ ( ssList @ SV204 )
        | ( SV204 = SV119 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[844]) ).

thf(993,plain,
    ! [SV205: $i,SV120: $i] :
      ( ( ~ ( rearsegP @ SV120 @ SV205 )
        | ~ ( rearsegP @ SV205 @ SV120 )
        | ~ ( ssList @ SV120 )
        | ~ ( ssList @ SV205 )
        | ( SV205 = SV120 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[845]) ).

thf(994,plain,
    ! [SV206: $i,SV121: $i] :
      ( ( ~ ( frontsegP @ SV121 @ SV206 )
        | ~ ( frontsegP @ SV206 @ SV121 )
        | ~ ( ssList @ SV121 )
        | ~ ( ssList @ SV206 )
        | ( SV206 = SV121 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[846]) ).

thf(995,plain,
    ! [SV207: $i,SV122: $i] :
      ( ( ~ ( leq @ SV122 @ SV207 )
        | ~ ( leq @ SV207 @ SV122 )
        | ~ ( ssItem @ SV122 )
        | ~ ( ssItem @ SV207 )
        | ( SV207 = SV122 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[847]) ).

thf(996,plain,
    ! [SV208: $i,SV123: $i] :
      ( ( ~ ( rearsegP @ SV123 @ SV208 )
        | ~ ( ssList @ SV208 )
        | ~ ( ssList @ SV123 )
        | ( ( app @ ( skaf46 @ SV123 @ SV208 ) @ SV208 )
          = SV123 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[848]) ).

thf(997,plain,
    ! [SV209: $i,SV124: $i] :
      ( ( ~ ( frontsegP @ SV124 @ SV209 )
        | ~ ( ssList @ SV209 )
        | ~ ( ssList @ SV124 )
        | ( ( app @ SV209 @ ( skaf45 @ SV124 @ SV209 ) )
          = SV124 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[849]) ).

thf(998,plain,
    ! [SV125: $i] :
      ( ( ( ~ ( ssList @ SV125 ) )
        = $true )
      | ( ( ! [SY381: $i] :
              ( ~ ( ssList @ SY381 )
              | ( nil = SY381 )
              | ( ( tl @ ( app @ SY381 @ SV125 ) )
                = ( app @ ( tl @ SY381 ) @ SV125 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[850]) ).

thf(999,plain,
    ! [SV210: $i,SV126: $i] :
      ( ( ~ ( strictorderedP @ ( cons @ SV126 @ SV210 ) )
        | ~ ( ssList @ SV210 )
        | ~ ( ssItem @ SV126 )
        | ( nil = SV210 )
        | ( lt @ SV126 @ ( hd @ SV210 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[851]) ).

thf(1000,plain,
    ! [SV211: $i,SV127: $i] :
      ( ( ~ ( totalorderedP @ ( cons @ SV127 @ SV211 ) )
        | ~ ( ssList @ SV211 )
        | ~ ( ssItem @ SV127 )
        | ( nil = SV211 )
        | ( leq @ SV127 @ ( hd @ SV211 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[852]) ).

thf(1001,plain,
    ! [SV212: $i,SV128: $i] :
      ( ( ~ ( rearsegP @ SV128 @ SV212 )
        | ! [SY491: $i] :
            ( ~ ( ssList @ SY491 )
            | ~ ( ssList @ SV212 )
            | ~ ( ssList @ SV128 )
            | ( rearsegP @ ( app @ SY491 @ SV128 ) @ SV212 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[853]) ).

thf(1002,plain,
    ! [SV213: $i,SV129: $i] :
      ( ( ~ ( frontsegP @ SV129 @ SV213 )
        | ! [SY492: $i] :
            ( ~ ( ssList @ SY492 )
            | ~ ( ssList @ SV213 )
            | ~ ( ssList @ SV129 )
            | ( frontsegP @ ( app @ SV129 @ SY492 ) @ SV213 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[854]) ).

thf(1003,plain,
    ! [SV214: $i,SV130: $i] :
      ( ( ( SV130 != SV214 )
        | ! [SY493: $i] :
            ( ~ ( ssList @ SY493 )
            | ~ ( ssItem @ SV214 )
            | ~ ( ssItem @ SV130 )
            | ( memberP @ ( cons @ SV214 @ SY493 ) @ SV130 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[855]) ).

thf(1004,plain,
    ! [SV215: $i,SV131: $i] :
      ( ( ~ ( memberP @ SV131 @ SV215 )
        | ~ ( ssList @ SV131 )
        | ! [SY494: $i] :
            ( ~ ( ssItem @ SY494 )
            | ~ ( ssItem @ SV215 )
            | ( memberP @ ( cons @ SY494 @ SV131 ) @ SV215 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[856]) ).

thf(1005,plain,
    ! [SV216: $i,SV132: $i] :
      ( ( ~ ( memberP @ SV132 @ SV216 )
        | ! [SY495: $i] :
            ( ~ ( ssList @ SY495 )
            | ~ ( ssList @ SV132 )
            | ~ ( ssItem @ SV216 )
            | ( memberP @ ( app @ SV132 @ SY495 ) @ SV216 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[857]) ).

thf(1006,plain,
    ! [SV217: $i,SV133: $i] :
      ( ( ~ ( memberP @ SV133 @ SV217 )
        | ~ ( ssList @ SV133 )
        | ! [SY496: $i] :
            ( ~ ( ssList @ SY496 )
            | ~ ( ssItem @ SV217 )
            | ( memberP @ ( app @ SY496 @ SV133 ) @ SV217 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[858]) ).

thf(1007,plain,
    ! [SV134: $i] :
      ( ( ( ~ ( ssList @ SV134 ) )
        = $true )
      | ( ( ( ( app @ ( skaf80 @ SV134 ) @ ( cons @ ( skaf78 @ SV134 ) @ ( cons @ ( skaf79 @ SV134 ) @ ( skaf81 @ SV134 ) ) ) )
            = SV134 )
          | ( equalelemsP @ SV134 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[859]) ).

thf(1008,plain,
    ! [SV218: $i,SV135: $i] :
      ( ( ! [SY497: $i] :
            ( ( ( app @ SV135 @ SV218 )
             != SY497 )
            | ~ ( ssList @ SV135 )
            | ~ ( ssList @ SV218 )
            | ~ ( ssList @ SY497 )
            | ( rearsegP @ SY497 @ SV218 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[860]) ).

thf(1009,plain,
    ! [SV219: $i,SV136: $i] :
      ( ( ! [SY498: $i] :
            ( ( ( app @ SV136 @ SV219 )
             != SY498 )
            | ~ ( ssList @ SV219 )
            | ~ ( ssList @ SV136 )
            | ~ ( ssList @ SY498 )
            | ( frontsegP @ SY498 @ SV136 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[861]) ).

thf(1010,plain,
    ! [SV137: $i] :
      ( ( ( nil != SV137 )
        = $true )
      | ( ( ! [SY400: $i] :
              ( ( nil != SY400 )
              | ~ ( ssList @ SY400 )
              | ~ ( ssList @ SV137 )
              | ( ( app @ SV137 @ SY400 )
                = nil ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[862]) ).

thf(1011,plain,
    ! [SV220: $i,SV138: $i] :
      ( ( ~ ( gt @ SV138 @ SV220 )
        | ! [SY499: $i] :
            ( ~ ( gt @ SV220 @ SY499 )
            | ~ ( ssItem @ SY499 )
            | ~ ( ssItem @ SV220 )
            | ~ ( ssItem @ SV138 )
            | ( gt @ SV138 @ SY499 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[863]) ).

thf(1012,plain,
    ! [SV221: $i,SV139: $i] :
      ( ( ~ ( leq @ SV139 @ SV221 )
        | ! [SY500: $i] :
            ( ~ ( lt @ SV221 @ SY500 )
            | ~ ( ssItem @ SY500 )
            | ~ ( ssItem @ SV221 )
            | ~ ( ssItem @ SV139 )
            | ( lt @ SV139 @ SY500 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[864]) ).

thf(1013,plain,
    ! [SV222: $i,SV140: $i] :
      ( ( ~ ( geq @ SV140 @ SV222 )
        | ! [SY501: $i] :
            ( ~ ( geq @ SV222 @ SY501 )
            | ~ ( ssItem @ SY501 )
            | ~ ( ssItem @ SV222 )
            | ~ ( ssItem @ SV140 )
            | ( geq @ SV140 @ SY501 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[865]) ).

thf(1014,plain,
    ! [SV141: $i] :
      ( ( ( ~ ( ssList @ SV141 ) )
        = $true )
      | ( ( ! [SY407: $i] :
              ( ~ ( ssList @ SY407 )
              | ! [SY408: $i] :
                  ( ~ ( ssList @ SY408 )
                  | ( ( app @ ( app @ SY408 @ SY407 ) @ SV141 )
                    = ( app @ SY408 @ ( app @ SY407 @ SV141 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[866]) ).

thf(1015,plain,
    ! [SV223: $i,SV142: $i] :
      ( ( ! [SY502: $i] :
            ( ( ( app @ SV142 @ SV223 )
             != ( app @ SV142 @ SY502 ) )
            | ~ ( ssList @ SV223 )
            | ~ ( ssList @ SV142 )
            | ~ ( ssList @ SY502 )
            | ( SV223 = SY502 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[867]) ).

thf(1016,plain,
    ! [SV224: $i,SV143: $i] :
      ( ( ! [SY503: $i] :
            ( ( ( app @ SV143 @ SV224 )
             != ( app @ SY503 @ SV224 ) )
            | ~ ( ssList @ SV143 )
            | ~ ( ssList @ SV224 )
            | ~ ( ssList @ SY503 )
            | ( SV143 = SY503 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[868]) ).

thf(1017,plain,
    ! [SV225: $i,SV144: $i] :
      ( ( ~ ( segmentP @ SV144 @ SV225 )
        | ! [SY504: $i] :
            ( ~ ( segmentP @ SV225 @ SY504 )
            | ~ ( ssList @ SY504 )
            | ~ ( ssList @ SV225 )
            | ~ ( ssList @ SV144 )
            | ( segmentP @ SV144 @ SY504 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[869]) ).

thf(1018,plain,
    ! [SV226: $i,SV145: $i] :
      ( ( ~ ( rearsegP @ SV145 @ SV226 )
        | ! [SY505: $i] :
            ( ~ ( rearsegP @ SV226 @ SY505 )
            | ~ ( ssList @ SY505 )
            | ~ ( ssList @ SV226 )
            | ~ ( ssList @ SV145 )
            | ( rearsegP @ SV145 @ SY505 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[870]) ).

thf(1019,plain,
    ! [SV227: $i,SV146: $i] :
      ( ( ~ ( frontsegP @ SV146 @ SV227 )
        | ! [SY506: $i] :
            ( ~ ( frontsegP @ SV227 @ SY506 )
            | ~ ( ssList @ SY506 )
            | ~ ( ssList @ SV227 )
            | ~ ( ssList @ SV146 )
            | ( frontsegP @ SV146 @ SY506 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[871]) ).

thf(1020,plain,
    ! [SV228: $i,SV147: $i] :
      ( ( ~ ( lt @ SV147 @ SV228 )
        | ! [SY507: $i] :
            ( ~ ( lt @ SV228 @ SY507 )
            | ~ ( ssItem @ SY507 )
            | ~ ( ssItem @ SV228 )
            | ~ ( ssItem @ SV147 )
            | ( lt @ SV147 @ SY507 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[872]) ).

thf(1021,plain,
    ! [SV229: $i,SV148: $i] :
      ( ( ~ ( leq @ SV148 @ SV229 )
        | ! [SY508: $i] :
            ( ~ ( leq @ SV229 @ SY508 )
            | ~ ( ssItem @ SY508 )
            | ~ ( ssItem @ SV229 )
            | ~ ( ssItem @ SV148 )
            | ( leq @ SV148 @ SY508 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[873]) ).

thf(1022,plain,
    ! [SV149: $i] :
      ( ( ( ~ ( ssItem @ SV149 ) )
        = $true )
      | ( ( ! [SY423: $i] :
              ( ~ ( ssList @ SY423 )
              | ! [SY424: $i] :
                  ( ~ ( ssList @ SY424 )
                  | ( ( cons @ SV149 @ ( app @ SY423 @ SY424 ) )
                    = ( app @ ( cons @ SV149 @ SY423 ) @ SY424 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[874]) ).

thf(1023,plain,
    ! [SV230: $i,SV150: $i] :
      ( ( ! [SY509: $i] :
            ( ~ ( memberP @ ( app @ SV150 @ SV230 ) @ SY509 )
            | ~ ( ssList @ SV230 )
            | ~ ( ssList @ SV150 )
            | ~ ( ssItem @ SY509 )
            | ( memberP @ SV230 @ SY509 )
            | ( memberP @ SV150 @ SY509 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[875]) ).

thf(1024,plain,
    ! [SV231: $i,SV151: $i] :
      ( ( ~ ( leq @ SV151 @ ( hd @ SV231 ) )
        | ~ ( totalorderedP @ SV231 )
        | ~ ( ssList @ SV231 )
        | ~ ( ssItem @ SV151 )
        | ( nil = SV231 )
        | ( totalorderedP @ ( cons @ SV151 @ SV231 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[876]) ).

thf(1025,plain,
    ! [SV232: $i,SV152: $i] :
      ( ( ~ ( lt @ SV152 @ ( hd @ SV232 ) )
        | ~ ( strictorderedP @ SV232 )
        | ~ ( ssList @ SV232 )
        | ~ ( ssItem @ SV152 )
        | ( nil = SV232 )
        | ( strictorderedP @ ( cons @ SV152 @ SV232 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[877]) ).

thf(1026,plain,
    ! [SV233: $i,SV153: $i] :
      ( ( ! [SY510: $i] :
            ( ~ ( memberP @ ( cons @ SV153 @ SV233 ) @ SY510 )
            | ~ ( ssList @ SV233 )
            | ~ ( ssItem @ SV153 )
            | ~ ( ssItem @ SY510 )
            | ( SY510 = SV153 )
            | ( memberP @ SV233 @ SY510 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[878]) ).

thf(1027,plain,
    ! [SV154: $i] :
      ( ( ( ~ ( ssList @ SV154 ) )
        = $true )
      | ( ( ( ( app @ ( app @ ( skaf75 @ SV154 ) @ ( cons @ ( skaf74 @ SV154 ) @ ( skaf76 @ SV154 ) ) ) @ ( cons @ ( skaf74 @ SV154 ) @ ( skaf77 @ SV154 ) ) )
            = SV154 )
          | ( duplicatefreeP @ SV154 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[879]) ).

thf(1028,plain,
    ! [SV155: $i] :
      ( ( ( ~ ( ssList @ SV155 ) )
        = $true )
      | ( ( ( ( app @ ( app @ ( skaf71 @ SV155 ) @ ( cons @ ( skaf69 @ SV155 ) @ ( skaf72 @ SV155 ) ) ) @ ( cons @ ( skaf70 @ SV155 ) @ ( skaf73 @ SV155 ) ) )
            = SV155 )
          | ( strictorderedP @ SV155 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[880]) ).

thf(1029,plain,
    ! [SV156: $i] :
      ( ( ( ~ ( ssList @ SV156 ) )
        = $true )
      | ( ( ( ( app @ ( app @ ( skaf66 @ SV156 ) @ ( cons @ ( skaf64 @ SV156 ) @ ( skaf67 @ SV156 ) ) ) @ ( cons @ ( skaf65 @ SV156 ) @ ( skaf68 @ SV156 ) ) )
            = SV156 )
          | ( totalorderedP @ SV156 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[881]) ).

thf(1030,plain,
    ! [SV157: $i] :
      ( ( ( ~ ( ssList @ SV157 ) )
        = $true )
      | ( ( ( ( app @ ( app @ ( skaf61 @ SV157 ) @ ( cons @ ( skaf59 @ SV157 ) @ ( skaf62 @ SV157 ) ) ) @ ( cons @ ( skaf60 @ SV157 ) @ ( skaf63 @ SV157 ) ) )
            = SV157 )
          | ( strictorderP @ SV157 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[882]) ).

thf(1031,plain,
    ! [SV158: $i] :
      ( ( ( ~ ( ssList @ SV158 ) )
        = $true )
      | ( ( ( ( app @ ( app @ ( skaf56 @ SV158 ) @ ( cons @ ( skaf54 @ SV158 ) @ ( skaf57 @ SV158 ) ) ) @ ( cons @ ( skaf55 @ SV158 ) @ ( skaf58 @ SV158 ) ) )
            = SV158 )
          | ( totalorderP @ SV158 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[883]) ).

thf(1032,plain,
    ! [SV159: $i] :
      ( ( ( ~ ( ssList @ SV159 ) )
        = $true )
      | ( ( ( ( app @ ( app @ ( skaf51 @ SV159 ) @ ( cons @ ( skaf49 @ SV159 ) @ ( skaf52 @ SV159 ) ) ) @ ( cons @ ( skaf50 @ SV159 ) @ ( skaf53 @ SV159 ) ) )
            = SV159 )
          | ( cyclefreeP @ SV159 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[884]) ).

thf(1033,plain,
    ! [SV234: $i,SV160: $i] :
      ( ( ~ ( segmentP @ SV160 @ SV234 )
        | ~ ( ssList @ SV234 )
        | ~ ( ssList @ SV160 )
        | ( ( app @ ( app @ ( skaf47 @ SV160 @ SV234 ) @ SV234 ) @ ( skaf48 @ SV234 @ SV160 ) )
          = SV160 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[885]) ).

thf(1034,plain,
    ! [SV235: $i,SV161: $i] :
      ( ( ~ ( memberP @ SV161 @ SV235 )
        | ~ ( ssItem @ SV235 )
        | ~ ( ssList @ SV161 )
        | ( ( app @ ( skaf42 @ SV161 @ SV235 ) @ ( cons @ SV235 @ ( skaf43 @ SV235 @ SV161 ) ) )
          = SV161 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[886]) ).

thf(1035,plain,
    ! [SV236: $i,SV162: $i] :
      ( ( ! [SY511: $i,SY512: $i] :
            ( ( ( cons @ SV162 @ SV236 )
             != ( cons @ SY511 @ SY512 ) )
            | ~ ( ssItem @ SY511 )
            | ~ ( ssItem @ SV162 )
            | ~ ( ssList @ SY512 )
            | ~ ( ssList @ SV236 )
            | ( SV162 = SY511 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[887]) ).

thf(1036,plain,
    ! [SV237: $i,SV163: $i] :
      ( ( ! [SY513: $i,SY514: $i] :
            ( ( ( cons @ SV163 @ SV237 )
             != ( cons @ SY513 @ SY514 ) )
            | ~ ( ssItem @ SY513 )
            | ~ ( ssItem @ SV163 )
            | ~ ( ssList @ SY514 )
            | ~ ( ssList @ SV237 )
            | ( SY514 = SV237 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[888]) ).

thf(1037,plain,
    ! [SV238: $i,SV164: $i] :
      ( ( ~ ( segmentP @ SV164 @ SV238 )
        | ! [SY515: $i] :
            ( ~ ( ssList @ SY515 )
            | ! [SY516: $i] :
                ( ~ ( ssList @ SY516 )
                | ~ ( ssList @ SV238 )
                | ~ ( ssList @ SV164 )
                | ( segmentP @ ( app @ ( app @ SY516 @ SV164 ) @ SY515 ) @ SV238 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[889]) ).

thf(1038,plain,
    ! [SV239: $i,SV165: $i] :
      ( ( ! [SY517: $i,SY518: $i] :
            ( ( ( app @ ( app @ SV165 @ SV239 ) @ SY517 )
             != SY518 )
            | ~ ( ssList @ SY517 )
            | ~ ( ssList @ SV165 )
            | ~ ( ssList @ SV239 )
            | ~ ( ssList @ SY518 )
            | ( segmentP @ SY518 @ SV239 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[890]) ).

thf(1039,plain,
    ! [SV240: $i,SV166: $i] :
      ( ( ! [SY519: $i,SY520: $i] :
            ( ~ ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SY519 @ SY520 ) )
            | ~ ( ssList @ SY520 )
            | ~ ( ssList @ SV240 )
            | ~ ( ssItem @ SY519 )
            | ~ ( ssItem @ SV166 )
            | ( frontsegP @ SV240 @ SY520 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[891]) ).

thf(1040,plain,
    ! [SV241: $i,SV167: $i] :
      ( ( ! [SY521: $i,SY522: $i] :
            ( ( ( app @ SV167 @ ( cons @ SV241 @ SY521 ) )
             != SY522 )
            | ~ ( ssList @ SY521 )
            | ~ ( ssList @ SV167 )
            | ~ ( ssItem @ SV241 )
            | ~ ( ssList @ SY522 )
            | ( memberP @ SY522 @ SV241 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[892]) ).

thf(1041,plain,
    ! [SV242: $i,SV168: $i] :
      ( ( ! [SY523: $i,SY524: $i] :
            ( ~ ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SY523 @ SY524 ) )
            | ~ ( ssList @ SY524 )
            | ~ ( ssList @ SV242 )
            | ~ ( ssItem @ SY523 )
            | ~ ( ssItem @ SV168 )
            | ( SV168 = SY523 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[893]) ).

thf(1042,plain,
    ! [SV243: $i,SV169: $i] :
      ( ( ( ( tl @ SV169 )
         != ( tl @ SV243 ) )
        | ( ( hd @ SV169 )
         != ( hd @ SV243 ) )
        | ~ ( ssList @ SV169 )
        | ~ ( ssList @ SV243 )
        | ( nil = SV243 )
        | ( SV169 = SV243 )
        | ( nil = SV169 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[894]) ).

thf(1043,plain,
    ! [SV244: $i,SV170: $i] :
      ( ( ~ ( frontsegP @ SV170 @ SV244 )
        | ! [SY525: $i,SY526: $i] :
            ( ( SY525 != SY526 )
            | ~ ( ssList @ SV244 )
            | ~ ( ssList @ SV170 )
            | ~ ( ssItem @ SY526 )
            | ~ ( ssItem @ SY525 )
            | ( frontsegP @ ( cons @ SY525 @ SV170 ) @ ( cons @ SY526 @ SV244 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[895]) ).

thf(1044,plain,
    ! [SV245: $i,SV171: $i] :
      ( ( ! [SY527: $i,SY528: $i,SY529: $i] :
            ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SY527 ) ) @ ( cons @ SV245 @ SY528 ) )
             != SY529 )
            | ~ ( ssList @ SY528 )
            | ~ ( ssList @ SY527 )
            | ~ ( ssList @ SV171 )
            | ~ ( ssItem @ SV245 )
            | ~ ( duplicatefreeP @ SY529 )
            | ~ ( ssList @ SY529 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[896]) ).

thf(1045,plain,
    ! [SV246: $i,SV172: $i] :
      ( ( ! [SY530: $i,SY531: $i,SY532: $i] :
            ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SY530 @ SY531 ) ) )
             != SY532 )
            | ~ ( ssList @ SY531 )
            | ~ ( ssList @ SV172 )
            | ~ ( ssItem @ SY530 )
            | ~ ( ssItem @ SV246 )
            | ~ ( equalelemsP @ SY532 )
            | ~ ( ssList @ SY532 )
            | ( SV246 = SY530 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[897]) ).

thf(1046,plain,
    ! [SV247: $i,SV173: $i] :
      ( ( ! [SY533: $i,SY534: $i,SY535: $i,SY536: $i] :
            ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SY533 ) ) @ ( cons @ SY534 @ SY535 ) )
             != SY536 )
            | ~ ( ssList @ SY535 )
            | ~ ( ssList @ SY533 )
            | ~ ( ssList @ SV173 )
            | ~ ( ssItem @ SY534 )
            | ~ ( ssItem @ SV247 )
            | ~ ( strictorderedP @ SY536 )
            | ~ ( ssList @ SY536 )
            | ( lt @ SV247 @ SY534 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[898]) ).

thf(1047,plain,
    ! [SV248: $i,SV174: $i] :
      ( ( ! [SY537: $i,SY538: $i,SY539: $i,SY540: $i] :
            ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SY537 ) ) @ ( cons @ SY538 @ SY539 ) )
             != SY540 )
            | ~ ( ssList @ SY539 )
            | ~ ( ssList @ SY537 )
            | ~ ( ssList @ SV174 )
            | ~ ( ssItem @ SY538 )
            | ~ ( ssItem @ SV248 )
            | ~ ( totalorderedP @ SY540 )
            | ~ ( ssList @ SY540 )
            | ( leq @ SV248 @ SY538 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[899]) ).

thf(1048,plain,
    ! [SV249: $i,SV175: $i] :
      ( ( ! [SY541: $i,SY542: $i,SY543: $i,SY544: $i] :
            ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SY541 ) ) @ ( cons @ SY542 @ SY543 ) )
             != SY544 )
            | ~ ( ssList @ SY543 )
            | ~ ( ssList @ SY541 )
            | ~ ( ssList @ SV175 )
            | ~ ( ssItem @ SY542 )
            | ~ ( ssItem @ SV249 )
            | ~ ( strictorderP @ SY544 )
            | ~ ( ssList @ SY544 )
            | ( lt @ SV249 @ SY542 )
            | ( lt @ SY542 @ SV249 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[900]) ).

thf(1049,plain,
    ! [SV250: $i,SV176: $i] :
      ( ( ! [SY545: $i,SY546: $i,SY547: $i,SY548: $i] :
            ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SY545 ) ) @ ( cons @ SY546 @ SY547 ) )
             != SY548 )
            | ~ ( ssList @ SY547 )
            | ~ ( ssList @ SY545 )
            | ~ ( ssList @ SV176 )
            | ~ ( ssItem @ SY546 )
            | ~ ( ssItem @ SV250 )
            | ~ ( totalorderP @ SY548 )
            | ~ ( ssList @ SY548 )
            | ( leq @ SV250 @ SY546 )
            | ( leq @ SY546 @ SV250 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[901]) ).

thf(1050,plain,
    ! [SV251: $i,SV177: $i] :
      ( ( ! [SY549: $i,SY550: $i] :
            ( ~ ( leq @ SV177 @ SV251 )
            | ~ ( leq @ SV251 @ SV177 )
            | ! [SY551: $i,SY552: $i] :
                ( ( ( app @ ( app @ SY549 @ ( cons @ SV177 @ SY550 ) ) @ ( cons @ SV251 @ SY551 ) )
                 != SY552 )
                | ~ ( ssList @ SY551 )
                | ~ ( ssList @ SY550 )
                | ~ ( ssList @ SY549 )
                | ~ ( ssItem @ SV251 )
                | ~ ( ssItem @ SV177 )
                | ~ ( cyclefreeP @ SY552 )
                | ~ ( ssList @ SY552 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[902]) ).

thf(1051,plain,
    ! [SV1: $i] :
      ( ( ( ssItem @ SV1 )
        = $false )
      | ( ( ! [SY334: $i] :
              ( ~ ( ssList @ SY334 )
              | ! [SY335: $i] :
                  ( ~ ( ssList @ SY335 )
                  | ( ( app @ ( app @ SY334 @ ( cons @ SV1 @ nil ) ) @ SY335 )
                   != sk2 )
                  | ( ( app @ SY334 @ SY335 )
                   != sk1 )
                  | ( neq @ sk2 @ nil ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[905]) ).

thf(1052,plain,
    ! [SV2: $i] :
      ( ( ( ssItem @ SV2 )
        = $false )
      | ( ( ( sk5 = SV2 )
          | ~ ( memberP @ sk4 @ SV2 )
          | ~ ( geq @ SV2 @ sk5 )
          | ( neq @ sk2 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[906]) ).

thf(1053,plain,
    ! [SV3: $i] :
      ( ( ( ssItem @ SV3 )
        = $false )
      | ( ( ! [SY336: $i] :
              ( ~ ( ssList @ SY336 )
              | ! [SY337: $i] :
                  ( ~ ( ssList @ SY337 )
                  | ( ( app @ ( app @ SY336 @ ( cons @ SV3 @ nil ) ) @ SY337 )
                   != sk2 )
                  | ( ( app @ SY336 @ SY337 )
                   != sk1 )
                  | ~ ( neq @ sk4 @ nil ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[907]) ).

thf(1054,plain,
    ! [SV4: $i] :
      ( ( ( ssItem @ SV4 )
        = $false )
      | ( ( ( sk5 = SV4 )
          | ~ ( memberP @ sk4 @ SV4 )
          | ~ ( geq @ SV4 @ sk5 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[913]) ).

thf(1055,plain,
    ! [SV47: $i] :
      ( ( ( ssItem @ SV47 )
        = $false )
      | ( ( geq @ SV47 @ SV47 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[920]) ).

thf(1056,plain,
    ! [SV48: $i] :
      ( ( ( ssList @ SV48 )
        = $false )
      | ( ( segmentP @ SV48 @ nil )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[921]) ).

thf(1057,plain,
    ! [SV49: $i] :
      ( ( ( ssList @ SV49 )
        = $false )
      | ( ( segmentP @ SV49 @ SV49 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[922]) ).

thf(1058,plain,
    ! [SV50: $i] :
      ( ( ( ssList @ SV50 )
        = $false )
      | ( ( rearsegP @ SV50 @ nil )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[923]) ).

thf(1059,plain,
    ! [SV51: $i] :
      ( ( ( ssList @ SV51 )
        = $false )
      | ( ( rearsegP @ SV51 @ SV51 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[924]) ).

thf(1060,plain,
    ! [SV52: $i] :
      ( ( ( ssList @ SV52 )
        = $false )
      | ( ( frontsegP @ SV52 @ nil )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[925]) ).

thf(1061,plain,
    ! [SV53: $i] :
      ( ( ( ssList @ SV53 )
        = $false )
      | ( ( frontsegP @ SV53 @ SV53 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[926]) ).

thf(1062,plain,
    ! [SV54: $i] :
      ( ( ( ssItem @ SV54 )
        = $false )
      | ( ( leq @ SV54 @ SV54 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[927]) ).

thf(1063,plain,
    ! [SV55: $i] :
      ( ( ( lt @ SV55 @ SV55 )
        = $false )
      | ( ( ~ ( ssItem @ SV55 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[928]) ).

thf(1064,plain,
    ! [SV56: $i] :
      ( ( ( ssItem @ SV56 )
        = $false )
      | ( ( equalelemsP @ ( cons @ SV56 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[929]) ).

thf(1065,plain,
    ! [SV57: $i] :
      ( ( ( ssItem @ SV57 )
        = $false )
      | ( ( duplicatefreeP @ ( cons @ SV57 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[930]) ).

thf(1066,plain,
    ! [SV58: $i] :
      ( ( ( ssItem @ SV58 )
        = $false )
      | ( ( strictorderedP @ ( cons @ SV58 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[931]) ).

thf(1067,plain,
    ! [SV59: $i] :
      ( ( ( ssItem @ SV59 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV59 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[932]) ).

thf(1068,plain,
    ! [SV60: $i] :
      ( ( ( ssItem @ SV60 )
        = $false )
      | ( ( strictorderP @ ( cons @ SV60 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[933]) ).

thf(1069,plain,
    ! [SV61: $i] :
      ( ( ( ssItem @ SV61 )
        = $false )
      | ( ( totalorderP @ ( cons @ SV61 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[934]) ).

thf(1070,plain,
    ! [SV62: $i] :
      ( ( ( ssItem @ SV62 )
        = $false )
      | ( ( cyclefreeP @ ( cons @ SV62 @ nil ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[935]) ).

thf(1071,plain,
    ! [SV63: $i] :
      ( ( ( memberP @ nil @ SV63 )
        = $false )
      | ( ( ~ ( ssItem @ SV63 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[936]) ).

thf(1072,plain,
    ! [SV64: $i] :
      ( ( ( ssList @ SV64 )
        = $false )
      | ( ( ( duplicatefreeP @ SV64 )
          | ! [V: $i] : ( ssItem @ V ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[937]) ).

thf(1073,plain,
    ! [SV65: $i] :
      ( ( ( ssList @ SV65 )
        = $false )
      | ( ( ( app @ SV65 @ nil )
          = SV65 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[938]) ).

thf(1074,plain,
    ! [SV66: $i] :
      ( ( ( ssList @ SV66 )
        = $false )
      | ( ( ( app @ nil @ SV66 )
          = SV66 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[939]) ).

thf(1075,plain,
    ! [SV67: $i] :
      ( ( ( ssList @ SV67 )
        = $false )
      | ( ( ( nil = SV67 )
          | ( ssList @ ( tl @ SV67 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[940]) ).

thf(1076,plain,
    ! [SV68: $i] :
      ( ( ( ssList @ SV68 )
        = $false )
      | ( ( ( nil = SV68 )
          | ( ssItem @ ( hd @ SV68 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[941]) ).

thf(1077,plain,
    ! [SV69: $i] :
      ( ( ( ssList @ SV69 )
        = $false )
      | ( ( ( nil = SV69 )
          | ( ssList @ ( tl @ SV69 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[942]) ).

thf(1078,plain,
    ! [SV70: $i] :
      ( ( ( ssList @ SV70 )
        = $false )
      | ( ( ( nil = SV70 )
          | ( ssItem @ ( hd @ SV70 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[943]) ).

thf(1079,plain,
    ! [SV71: $i] :
      ( ( ( nil = SV71 )
        = $false )
      | ( ( ~ ( ssList @ SV71 )
          | ( segmentP @ nil @ SV71 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[944]) ).

thf(1080,plain,
    ! [SV72: $i] :
      ( ( ( segmentP @ nil @ SV72 )
        = $false )
      | ( ( ~ ( ssList @ SV72 )
          | ( nil = SV72 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[945]) ).

thf(1081,plain,
    ! [SV73: $i] :
      ( ( ( nil = SV73 )
        = $false )
      | ( ( ~ ( ssList @ SV73 )
          | ( rearsegP @ nil @ SV73 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[946]) ).

thf(1082,plain,
    ! [SV74: $i] :
      ( ( ( rearsegP @ nil @ SV74 )
        = $false )
      | ( ( ~ ( ssList @ SV74 )
          | ( nil = SV74 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[947]) ).

thf(1083,plain,
    ! [SV75: $i] :
      ( ( ( nil = SV75 )
        = $false )
      | ( ( ~ ( ssList @ SV75 )
          | ( frontsegP @ nil @ SV75 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[948]) ).

thf(1084,plain,
    ! [SV76: $i] :
      ( ( ( frontsegP @ nil @ SV76 )
        = $false )
      | ( ( ~ ( ssList @ SV76 )
          | ( nil = SV76 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[949]) ).

thf(1085,plain,
    ! [SV77: $i] :
      ( ( ( ssList @ SV77 )
        = $false )
      | ( ( ! [SY345: $i] :
              ( ~ ( ssList @ SY345 )
              | ( ssList @ ( app @ SY345 @ SV77 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[950]) ).

thf(1086,plain,
    ! [SV78: $i] :
      ( ( ( ssItem @ SV78 )
        = $false )
      | ( ( ! [SY346: $i] :
              ( ~ ( ssList @ SY346 )
              | ( ssList @ ( cons @ SV78 @ SY346 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[951]) ).

thf(1087,plain,
    ! [SV79: $i] :
      ( ( ( ssList @ SV79 )
        = $false )
      | ( ( ( cyclefreeP @ SV79 )
          | ( leq @ ( skaf50 @ SV79 ) @ ( skaf49 @ SV79 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[952]) ).

thf(1088,plain,
    ! [SV80: $i] :
      ( ( ( ssList @ SV80 )
        = $false )
      | ( ( ( cyclefreeP @ SV80 )
          | ( leq @ ( skaf49 @ SV80 ) @ ( skaf50 @ SV80 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[953]) ).

thf(1089,plain,
    ! [SV81: $i] :
      ( ( ( ( skaf79 @ SV81 )
          = ( skaf78 @ SV81 ) )
        = $false )
      | ( ( ~ ( ssList @ SV81 )
          | ( equalelemsP @ SV81 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[954]) ).

thf(1090,plain,
    ! [SV82: $i] :
      ( ( ( lt @ ( skaf69 @ SV82 ) @ ( skaf70 @ SV82 ) )
        = $false )
      | ( ( ~ ( ssList @ SV82 )
          | ( strictorderedP @ SV82 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[955]) ).

thf(1091,plain,
    ! [SV83: $i] :
      ( ( ( leq @ ( skaf64 @ SV83 ) @ ( skaf65 @ SV83 ) )
        = $false )
      | ( ( ~ ( ssList @ SV83 )
          | ( totalorderedP @ SV83 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[956]) ).

thf(1092,plain,
    ! [SV84: $i] :
      ( ( ( lt @ ( skaf60 @ SV84 ) @ ( skaf59 @ SV84 ) )
        = $false )
      | ( ( ~ ( ssList @ SV84 )
          | ( strictorderP @ SV84 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[957]) ).

thf(1093,plain,
    ! [SV85: $i] :
      ( ( ( lt @ ( skaf59 @ SV85 ) @ ( skaf60 @ SV85 ) )
        = $false )
      | ( ( ~ ( ssList @ SV85 )
          | ( strictorderP @ SV85 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[958]) ).

thf(1094,plain,
    ! [SV86: $i] :
      ( ( ( leq @ ( skaf55 @ SV86 ) @ ( skaf54 @ SV86 ) )
        = $false )
      | ( ( ~ ( ssList @ SV86 )
          | ( totalorderP @ SV86 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[959]) ).

thf(1095,plain,
    ! [SV87: $i] :
      ( ( ( leq @ ( skaf54 @ SV87 ) @ ( skaf55 @ SV87 ) )
        = $false )
      | ( ( ~ ( ssList @ SV87 )
          | ( totalorderP @ SV87 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[960]) ).

thf(1096,plain,
    ! [SV88: $i] :
      ( ( ( ssItem @ SV88 )
        = $false )
      | ( ( ! [SY347: $i] :
              ( ~ ( ssList @ SY347 )
              | ( ( tl @ ( cons @ SV88 @ SY347 ) )
                = SY347 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[961]) ).

thf(1097,plain,
    ! [SV89: $i] :
      ( ( ( ssItem @ SV89 )
        = $false )
      | ( ( ! [SY348: $i] :
              ( ~ ( ssList @ SY348 )
              | ( ( hd @ ( cons @ SV89 @ SY348 ) )
                = SV89 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[962]) ).

thf(1098,plain,
    ! [SV184: $i,SV90: $i] :
      ( ( ( ( cons @ SV90 @ SV184 )
         != nil )
        = $true )
      | ( ( ~ ( ssItem @ SV90 )
          | ~ ( ssList @ SV184 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[963]) ).

thf(1099,plain,
    ! [SV185: $i,SV91: $i] :
      ( ( ( ( cons @ SV91 @ SV185 )
         != SV185 )
        = $true )
      | ( ( ~ ( ssItem @ SV91 )
          | ~ ( ssList @ SV185 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[964]) ).

thf(1100,plain,
    ! [SV92: $i] :
      ( ( ( ssList @ SV92 )
        = $false )
      | ( ( ! [SY351: $i] :
              ( ~ ( ssList @ SY351 )
              | ( SY351 = SV92 )
              | ( neq @ SY351 @ SV92 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[965]) ).

thf(1101,plain,
    ! [SV93: $i] :
      ( ( ( singletonP @ SV93 )
        = $false )
      | ( ( ~ ( ssList @ SV93 )
          | ( ( cons @ ( skaf44 @ SV93 ) @ nil )
            = SV93 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[966]) ).

thf(1102,plain,
    ! [SV94: $i] :
      ( ( ( ssItem @ SV94 )
        = $false )
      | ( ( ! [SY352: $i] :
              ( ~ ( ssItem @ SY352 )
              | ( SY352 = SV94 )
              | ( neq @ SY352 @ SV94 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[967]) ).

thf(1103,plain,
    ! [SV186: $i,SV95: $i] :
      ( ( ( ~ ( lt @ SV95 @ SV186 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV186 )
          | ~ ( ssItem @ SV95 )
          | ( leq @ SV95 @ SV186 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[968]) ).

thf(1104,plain,
    ! [SV96: $i] :
      ( ( ( ssList @ SV96 )
        = $false )
      | ( ( ( ( cons @ ( hd @ SV96 ) @ ( tl @ SV96 ) )
            = SV96 )
          | ( nil = SV96 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[969]) ).

thf(1105,plain,
    ! [SV187: $i,SV97: $i] :
      ( ( ( ~ ( gt @ SV97 @ SV187 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV187 )
          | ~ ( ssItem @ SV97 )
          | ( lt @ SV187 @ SV97 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[970]) ).

thf(1106,plain,
    ! [SV188: $i,SV98: $i] :
      ( ( ( ~ ( lt @ SV98 @ SV188 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV98 )
          | ~ ( ssItem @ SV188 )
          | ( gt @ SV188 @ SV98 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[971]) ).

thf(1107,plain,
    ! [SV189: $i,SV99: $i] :
      ( ( ( ~ ( geq @ SV99 @ SV189 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV189 )
          | ~ ( ssItem @ SV99 )
          | ( leq @ SV189 @ SV99 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[972]) ).

thf(1108,plain,
    ! [SV190: $i,SV100: $i] :
      ( ( ( ~ ( leq @ SV100 @ SV190 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV100 )
          | ~ ( ssItem @ SV190 )
          | ( geq @ SV190 @ SV100 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[973]) ).

thf(1109,plain,
    ! [SV101: $i] :
      ( ( ( ssList @ SV101 )
        = $false )
      | ( ( ( ( cons @ ( skaf83 @ SV101 ) @ ( skaf82 @ SV101 ) )
            = SV101 )
          | ( nil = SV101 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[974]) ).

thf(1110,plain,
    ! [SV191: $i,SV102: $i] :
      ( ( ( ~ ( gt @ SV102 @ SV191 ) )
        = $true )
      | ( ( ~ ( gt @ SV191 @ SV102 )
          | ~ ( ssItem @ SV102 )
          | ~ ( ssItem @ SV191 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[975]) ).

thf(1111,plain,
    ! [SV192: $i,SV103: $i] :
      ( ( ( SV103 != SV192 )
        = $true )
      | ( ( ~ ( lt @ SV103 @ SV192 )
          | ~ ( ssItem @ SV192 )
          | ~ ( ssItem @ SV103 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[976]) ).

thf(1112,plain,
    ! [SV104: $i] :
      ( ( ( nil = SV104 )
        = $false )
      | ( ( ~ ( ssList @ SV104 )
          | ! [SY360: $i] :
              ( ~ ( ssItem @ SY360 )
              | ( strictorderedP @ ( cons @ SY360 @ SV104 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[977]) ).

thf(1113,plain,
    ! [SV105: $i] :
      ( ( ( nil = SV105 )
        = $false )
      | ( ( ~ ( ssList @ SV105 )
          | ! [SY361: $i] :
              ( ~ ( ssItem @ SY361 )
              | ( totalorderedP @ ( cons @ SY361 @ SV105 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[978]) ).

thf(1114,plain,
    ! [SV193: $i,SV106: $i] :
      ( ( ( ~ ( lt @ SV106 @ SV193 ) )
        = $true )
      | ( ( ~ ( lt @ SV193 @ SV106 )
          | ~ ( ssItem @ SV106 )
          | ~ ( ssItem @ SV193 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[979]) ).

thf(1115,plain,
    ! [SV194: $i,SV107: $i] :
      ( ( ( SV107 != SV194 )
        = $true )
      | ( ( ~ ( neq @ SV107 @ SV194 )
          | ~ ( ssList @ SV194 )
          | ~ ( ssList @ SV107 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[980]) ).

thf(1116,plain,
    ! [SV195: $i,SV108: $i] :
      ( ( ( ( cons @ SV108 @ nil )
         != SV195 )
        = $true )
      | ( ( ~ ( ssItem @ SV108 )
          | ~ ( ssList @ SV195 )
          | ( singletonP @ SV195 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[981]) ).

thf(1117,plain,
    ! [SV196: $i,SV109: $i] :
      ( ( ( SV109 != SV196 )
        = $true )
      | ( ( ~ ( neq @ SV109 @ SV196 )
          | ~ ( ssItem @ SV196 )
          | ~ ( ssItem @ SV109 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[982]) ).

thf(1118,plain,
    ! [SV197: $i,SV110: $i] :
      ( ( ( ( app @ SV110 @ SV197 )
         != nil )
        = $true )
      | ( ( ~ ( ssList @ SV197 )
          | ~ ( ssList @ SV110 )
          | ( nil = SV110 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[983]) ).

thf(1119,plain,
    ! [SV198: $i,SV111: $i] :
      ( ( ( ( app @ SV111 @ SV198 )
         != nil )
        = $true )
      | ( ( ~ ( ssList @ SV198 )
          | ~ ( ssList @ SV111 )
          | ( nil = SV198 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[984]) ).

thf(1120,plain,
    ! [SV112: $i] :
      ( ( ( ssItem @ SV112 )
        = $false )
      | ( ( ! [SY368: $i] :
              ( ~ ( ssList @ SY368 )
              | ( ( app @ ( cons @ SV112 @ nil ) @ SY368 )
                = ( cons @ SV112 @ SY368 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[985]) ).

thf(1121,plain,
    ! [SV199: $i,SV113: $i] :
      ( ( ( ~ ( leq @ SV113 @ SV199 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV199 )
          | ~ ( ssItem @ SV113 )
          | ( SV113 = SV199 )
          | ( lt @ SV113 @ SV199 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[986]) ).

thf(1122,plain,
    ! [SV200: $i,SV114: $i] :
      ( ( ( ~ ( leq @ SV114 @ SV200 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV200 )
          | ~ ( ssItem @ SV114 )
          | ( SV114 = SV200 )
          | ( lt @ SV114 @ SV200 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[987]) ).

thf(1123,plain,
    ! [SV115: $i] :
      ( ( ( ssList @ SV115 )
        = $false )
      | ( ( ! [SY371: $i] :
              ( ~ ( ssList @ SY371 )
              | ( nil = SY371 )
              | ( ( hd @ ( app @ SY371 @ SV115 ) )
                = ( hd @ SY371 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[988]) ).

thf(1124,plain,
    ! [SV201: $i,SV116: $i] :
      ( ( ( ~ ( strictorderedP @ ( cons @ SV116 @ SV201 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV201 )
          | ~ ( ssItem @ SV116 )
          | ( nil = SV201 )
          | ( strictorderedP @ SV201 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[989]) ).

thf(1125,plain,
    ! [SV202: $i,SV117: $i] :
      ( ( ( ~ ( totalorderedP @ ( cons @ SV117 @ SV202 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV202 )
          | ~ ( ssItem @ SV117 )
          | ( nil = SV202 )
          | ( totalorderedP @ SV202 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[990]) ).

thf(1126,plain,
    ! [SV203: $i,SV118: $i] :
      ( ( ( ~ ( geq @ SV118 @ SV203 ) )
        = $true )
      | ( ( ~ ( geq @ SV203 @ SV118 )
          | ~ ( ssItem @ SV118 )
          | ~ ( ssItem @ SV203 )
          | ( SV203 = SV118 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[991]) ).

thf(1127,plain,
    ! [SV204: $i,SV119: $i] :
      ( ( ( ~ ( segmentP @ SV119 @ SV204 ) )
        = $true )
      | ( ( ~ ( segmentP @ SV204 @ SV119 )
          | ~ ( ssList @ SV119 )
          | ~ ( ssList @ SV204 )
          | ( SV204 = SV119 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[992]) ).

thf(1128,plain,
    ! [SV205: $i,SV120: $i] :
      ( ( ( ~ ( rearsegP @ SV120 @ SV205 ) )
        = $true )
      | ( ( ~ ( rearsegP @ SV205 @ SV120 )
          | ~ ( ssList @ SV120 )
          | ~ ( ssList @ SV205 )
          | ( SV205 = SV120 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[993]) ).

thf(1129,plain,
    ! [SV206: $i,SV121: $i] :
      ( ( ( ~ ( frontsegP @ SV121 @ SV206 ) )
        = $true )
      | ( ( ~ ( frontsegP @ SV206 @ SV121 )
          | ~ ( ssList @ SV121 )
          | ~ ( ssList @ SV206 )
          | ( SV206 = SV121 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[994]) ).

thf(1130,plain,
    ! [SV207: $i,SV122: $i] :
      ( ( ( ~ ( leq @ SV122 @ SV207 ) )
        = $true )
      | ( ( ~ ( leq @ SV207 @ SV122 )
          | ~ ( ssItem @ SV122 )
          | ~ ( ssItem @ SV207 )
          | ( SV207 = SV122 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[995]) ).

thf(1131,plain,
    ! [SV208: $i,SV123: $i] :
      ( ( ( ~ ( rearsegP @ SV123 @ SV208 ) )
        = $true )
      | ( ( ~ ( ssList @ SV208 )
          | ~ ( ssList @ SV123 )
          | ( ( app @ ( skaf46 @ SV123 @ SV208 ) @ SV208 )
            = SV123 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[996]) ).

thf(1132,plain,
    ! [SV209: $i,SV124: $i] :
      ( ( ( ~ ( frontsegP @ SV124 @ SV209 ) )
        = $true )
      | ( ( ~ ( ssList @ SV209 )
          | ~ ( ssList @ SV124 )
          | ( ( app @ SV209 @ ( skaf45 @ SV124 @ SV209 ) )
            = SV124 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[997]) ).

thf(1133,plain,
    ! [SV125: $i] :
      ( ( ( ssList @ SV125 )
        = $false )
      | ( ( ! [SY381: $i] :
              ( ~ ( ssList @ SY381 )
              | ( nil = SY381 )
              | ( ( tl @ ( app @ SY381 @ SV125 ) )
                = ( app @ ( tl @ SY381 ) @ SV125 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[998]) ).

thf(1134,plain,
    ! [SV210: $i,SV126: $i] :
      ( ( ( ~ ( strictorderedP @ ( cons @ SV126 @ SV210 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV210 )
          | ~ ( ssItem @ SV126 )
          | ( nil = SV210 )
          | ( lt @ SV126 @ ( hd @ SV210 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[999]) ).

thf(1135,plain,
    ! [SV211: $i,SV127: $i] :
      ( ( ( ~ ( totalorderedP @ ( cons @ SV127 @ SV211 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV211 )
          | ~ ( ssItem @ SV127 )
          | ( nil = SV211 )
          | ( leq @ SV127 @ ( hd @ SV211 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1000]) ).

thf(1136,plain,
    ! [SV212: $i,SV128: $i] :
      ( ( ( ~ ( rearsegP @ SV128 @ SV212 ) )
        = $true )
      | ( ( ! [SY491: $i] :
              ( ~ ( ssList @ SY491 )
              | ~ ( ssList @ SV212 )
              | ~ ( ssList @ SV128 )
              | ( rearsegP @ ( app @ SY491 @ SV128 ) @ SV212 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1001]) ).

thf(1137,plain,
    ! [SV213: $i,SV129: $i] :
      ( ( ( ~ ( frontsegP @ SV129 @ SV213 ) )
        = $true )
      | ( ( ! [SY492: $i] :
              ( ~ ( ssList @ SY492 )
              | ~ ( ssList @ SV213 )
              | ~ ( ssList @ SV129 )
              | ( frontsegP @ ( app @ SV129 @ SY492 ) @ SV213 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1002]) ).

thf(1138,plain,
    ! [SV214: $i,SV130: $i] :
      ( ( ( SV130 != SV214 )
        = $true )
      | ( ( ! [SY493: $i] :
              ( ~ ( ssList @ SY493 )
              | ~ ( ssItem @ SV214 )
              | ~ ( ssItem @ SV130 )
              | ( memberP @ ( cons @ SV214 @ SY493 ) @ SV130 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1003]) ).

thf(1139,plain,
    ! [SV215: $i,SV131: $i] :
      ( ( ( ~ ( memberP @ SV131 @ SV215 ) )
        = $true )
      | ( ( ~ ( ssList @ SV131 )
          | ! [SY494: $i] :
              ( ~ ( ssItem @ SY494 )
              | ~ ( ssItem @ SV215 )
              | ( memberP @ ( cons @ SY494 @ SV131 ) @ SV215 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1004]) ).

thf(1140,plain,
    ! [SV216: $i,SV132: $i] :
      ( ( ( ~ ( memberP @ SV132 @ SV216 ) )
        = $true )
      | ( ( ! [SY495: $i] :
              ( ~ ( ssList @ SY495 )
              | ~ ( ssList @ SV132 )
              | ~ ( ssItem @ SV216 )
              | ( memberP @ ( app @ SV132 @ SY495 ) @ SV216 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1005]) ).

thf(1141,plain,
    ! [SV217: $i,SV133: $i] :
      ( ( ( ~ ( memberP @ SV133 @ SV217 ) )
        = $true )
      | ( ( ~ ( ssList @ SV133 )
          | ! [SY496: $i] :
              ( ~ ( ssList @ SY496 )
              | ~ ( ssItem @ SV217 )
              | ( memberP @ ( app @ SY496 @ SV133 ) @ SV217 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1006]) ).

thf(1142,plain,
    ! [SV134: $i] :
      ( ( ( ssList @ SV134 )
        = $false )
      | ( ( ( ( app @ ( skaf80 @ SV134 ) @ ( cons @ ( skaf78 @ SV134 ) @ ( cons @ ( skaf79 @ SV134 ) @ ( skaf81 @ SV134 ) ) ) )
            = SV134 )
          | ( equalelemsP @ SV134 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1007]) ).

thf(1143,plain,
    ! [SV252: $i,SV218: $i,SV135: $i] :
      ( ( ( ( app @ SV135 @ SV218 )
         != SV252 )
        | ~ ( ssList @ SV135 )
        | ~ ( ssList @ SV218 )
        | ~ ( ssList @ SV252 )
        | ( rearsegP @ SV252 @ SV218 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1008]) ).

thf(1144,plain,
    ! [SV253: $i,SV219: $i,SV136: $i] :
      ( ( ( ( app @ SV136 @ SV219 )
         != SV253 )
        | ~ ( ssList @ SV219 )
        | ~ ( ssList @ SV136 )
        | ~ ( ssList @ SV253 )
        | ( frontsegP @ SV253 @ SV136 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1009]) ).

thf(1145,plain,
    ! [SV137: $i] :
      ( ( ( nil = SV137 )
        = $false )
      | ( ( ! [SY400: $i] :
              ( ( nil != SY400 )
              | ~ ( ssList @ SY400 )
              | ~ ( ssList @ SV137 )
              | ( ( app @ SV137 @ SY400 )
                = nil ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1010]) ).

thf(1146,plain,
    ! [SV220: $i,SV138: $i] :
      ( ( ( ~ ( gt @ SV138 @ SV220 ) )
        = $true )
      | ( ( ! [SY499: $i] :
              ( ~ ( gt @ SV220 @ SY499 )
              | ~ ( ssItem @ SY499 )
              | ~ ( ssItem @ SV220 )
              | ~ ( ssItem @ SV138 )
              | ( gt @ SV138 @ SY499 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1011]) ).

thf(1147,plain,
    ! [SV221: $i,SV139: $i] :
      ( ( ( ~ ( leq @ SV139 @ SV221 ) )
        = $true )
      | ( ( ! [SY500: $i] :
              ( ~ ( lt @ SV221 @ SY500 )
              | ~ ( ssItem @ SY500 )
              | ~ ( ssItem @ SV221 )
              | ~ ( ssItem @ SV139 )
              | ( lt @ SV139 @ SY500 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1012]) ).

thf(1148,plain,
    ! [SV222: $i,SV140: $i] :
      ( ( ( ~ ( geq @ SV140 @ SV222 ) )
        = $true )
      | ( ( ! [SY501: $i] :
              ( ~ ( geq @ SV222 @ SY501 )
              | ~ ( ssItem @ SY501 )
              | ~ ( ssItem @ SV222 )
              | ~ ( ssItem @ SV140 )
              | ( geq @ SV140 @ SY501 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1013]) ).

thf(1149,plain,
    ! [SV141: $i] :
      ( ( ( ssList @ SV141 )
        = $false )
      | ( ( ! [SY407: $i] :
              ( ~ ( ssList @ SY407 )
              | ! [SY408: $i] :
                  ( ~ ( ssList @ SY408 )
                  | ( ( app @ ( app @ SY408 @ SY407 ) @ SV141 )
                    = ( app @ SY408 @ ( app @ SY407 @ SV141 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1014]) ).

thf(1150,plain,
    ! [SV254: $i,SV223: $i,SV142: $i] :
      ( ( ( ( app @ SV142 @ SV223 )
         != ( app @ SV142 @ SV254 ) )
        | ~ ( ssList @ SV223 )
        | ~ ( ssList @ SV142 )
        | ~ ( ssList @ SV254 )
        | ( SV223 = SV254 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1015]) ).

thf(1151,plain,
    ! [SV255: $i,SV224: $i,SV143: $i] :
      ( ( ( ( app @ SV143 @ SV224 )
         != ( app @ SV255 @ SV224 ) )
        | ~ ( ssList @ SV143 )
        | ~ ( ssList @ SV224 )
        | ~ ( ssList @ SV255 )
        | ( SV143 = SV255 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1016]) ).

thf(1152,plain,
    ! [SV225: $i,SV144: $i] :
      ( ( ( ~ ( segmentP @ SV144 @ SV225 ) )
        = $true )
      | ( ( ! [SY504: $i] :
              ( ~ ( segmentP @ SV225 @ SY504 )
              | ~ ( ssList @ SY504 )
              | ~ ( ssList @ SV225 )
              | ~ ( ssList @ SV144 )
              | ( segmentP @ SV144 @ SY504 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1017]) ).

thf(1153,plain,
    ! [SV226: $i,SV145: $i] :
      ( ( ( ~ ( rearsegP @ SV145 @ SV226 ) )
        = $true )
      | ( ( ! [SY505: $i] :
              ( ~ ( rearsegP @ SV226 @ SY505 )
              | ~ ( ssList @ SY505 )
              | ~ ( ssList @ SV226 )
              | ~ ( ssList @ SV145 )
              | ( rearsegP @ SV145 @ SY505 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1018]) ).

thf(1154,plain,
    ! [SV227: $i,SV146: $i] :
      ( ( ( ~ ( frontsegP @ SV146 @ SV227 ) )
        = $true )
      | ( ( ! [SY506: $i] :
              ( ~ ( frontsegP @ SV227 @ SY506 )
              | ~ ( ssList @ SY506 )
              | ~ ( ssList @ SV227 )
              | ~ ( ssList @ SV146 )
              | ( frontsegP @ SV146 @ SY506 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1019]) ).

thf(1155,plain,
    ! [SV228: $i,SV147: $i] :
      ( ( ( ~ ( lt @ SV147 @ SV228 ) )
        = $true )
      | ( ( ! [SY507: $i] :
              ( ~ ( lt @ SV228 @ SY507 )
              | ~ ( ssItem @ SY507 )
              | ~ ( ssItem @ SV228 )
              | ~ ( ssItem @ SV147 )
              | ( lt @ SV147 @ SY507 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1020]) ).

thf(1156,plain,
    ! [SV229: $i,SV148: $i] :
      ( ( ( ~ ( leq @ SV148 @ SV229 ) )
        = $true )
      | ( ( ! [SY508: $i] :
              ( ~ ( leq @ SV229 @ SY508 )
              | ~ ( ssItem @ SY508 )
              | ~ ( ssItem @ SV229 )
              | ~ ( ssItem @ SV148 )
              | ( leq @ SV148 @ SY508 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1021]) ).

thf(1157,plain,
    ! [SV149: $i] :
      ( ( ( ssItem @ SV149 )
        = $false )
      | ( ( ! [SY423: $i] :
              ( ~ ( ssList @ SY423 )
              | ! [SY424: $i] :
                  ( ~ ( ssList @ SY424 )
                  | ( ( cons @ SV149 @ ( app @ SY423 @ SY424 ) )
                    = ( app @ ( cons @ SV149 @ SY423 ) @ SY424 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1022]) ).

thf(1158,plain,
    ! [SV256: $i,SV230: $i,SV150: $i] :
      ( ( ~ ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 )
        | ~ ( ssList @ SV230 )
        | ~ ( ssList @ SV150 )
        | ~ ( ssItem @ SV256 )
        | ( memberP @ SV230 @ SV256 )
        | ( memberP @ SV150 @ SV256 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1023]) ).

thf(1159,plain,
    ! [SV231: $i,SV151: $i] :
      ( ( ( ~ ( leq @ SV151 @ ( hd @ SV231 ) ) )
        = $true )
      | ( ( ~ ( totalorderedP @ SV231 )
          | ~ ( ssList @ SV231 )
          | ~ ( ssItem @ SV151 )
          | ( nil = SV231 )
          | ( totalorderedP @ ( cons @ SV151 @ SV231 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1024]) ).

thf(1160,plain,
    ! [SV232: $i,SV152: $i] :
      ( ( ( ~ ( lt @ SV152 @ ( hd @ SV232 ) ) )
        = $true )
      | ( ( ~ ( strictorderedP @ SV232 )
          | ~ ( ssList @ SV232 )
          | ~ ( ssItem @ SV152 )
          | ( nil = SV232 )
          | ( strictorderedP @ ( cons @ SV152 @ SV232 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1025]) ).

thf(1161,plain,
    ! [SV257: $i,SV233: $i,SV153: $i] :
      ( ( ~ ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 )
        | ~ ( ssList @ SV233 )
        | ~ ( ssItem @ SV153 )
        | ~ ( ssItem @ SV257 )
        | ( SV257 = SV153 )
        | ( memberP @ SV233 @ SV257 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1026]) ).

thf(1162,plain,
    ! [SV154: $i] :
      ( ( ( ssList @ SV154 )
        = $false )
      | ( ( ( ( app @ ( app @ ( skaf75 @ SV154 ) @ ( cons @ ( skaf74 @ SV154 ) @ ( skaf76 @ SV154 ) ) ) @ ( cons @ ( skaf74 @ SV154 ) @ ( skaf77 @ SV154 ) ) )
            = SV154 )
          | ( duplicatefreeP @ SV154 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1027]) ).

thf(1163,plain,
    ! [SV155: $i] :
      ( ( ( ssList @ SV155 )
        = $false )
      | ( ( ( ( app @ ( app @ ( skaf71 @ SV155 ) @ ( cons @ ( skaf69 @ SV155 ) @ ( skaf72 @ SV155 ) ) ) @ ( cons @ ( skaf70 @ SV155 ) @ ( skaf73 @ SV155 ) ) )
            = SV155 )
          | ( strictorderedP @ SV155 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1028]) ).

thf(1164,plain,
    ! [SV156: $i] :
      ( ( ( ssList @ SV156 )
        = $false )
      | ( ( ( ( app @ ( app @ ( skaf66 @ SV156 ) @ ( cons @ ( skaf64 @ SV156 ) @ ( skaf67 @ SV156 ) ) ) @ ( cons @ ( skaf65 @ SV156 ) @ ( skaf68 @ SV156 ) ) )
            = SV156 )
          | ( totalorderedP @ SV156 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1029]) ).

thf(1165,plain,
    ! [SV157: $i] :
      ( ( ( ssList @ SV157 )
        = $false )
      | ( ( ( ( app @ ( app @ ( skaf61 @ SV157 ) @ ( cons @ ( skaf59 @ SV157 ) @ ( skaf62 @ SV157 ) ) ) @ ( cons @ ( skaf60 @ SV157 ) @ ( skaf63 @ SV157 ) ) )
            = SV157 )
          | ( strictorderP @ SV157 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1030]) ).

thf(1166,plain,
    ! [SV158: $i] :
      ( ( ( ssList @ SV158 )
        = $false )
      | ( ( ( ( app @ ( app @ ( skaf56 @ SV158 ) @ ( cons @ ( skaf54 @ SV158 ) @ ( skaf57 @ SV158 ) ) ) @ ( cons @ ( skaf55 @ SV158 ) @ ( skaf58 @ SV158 ) ) )
            = SV158 )
          | ( totalorderP @ SV158 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1031]) ).

thf(1167,plain,
    ! [SV159: $i] :
      ( ( ( ssList @ SV159 )
        = $false )
      | ( ( ( ( app @ ( app @ ( skaf51 @ SV159 ) @ ( cons @ ( skaf49 @ SV159 ) @ ( skaf52 @ SV159 ) ) ) @ ( cons @ ( skaf50 @ SV159 ) @ ( skaf53 @ SV159 ) ) )
            = SV159 )
          | ( cyclefreeP @ SV159 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1032]) ).

thf(1168,plain,
    ! [SV234: $i,SV160: $i] :
      ( ( ( ~ ( segmentP @ SV160 @ SV234 ) )
        = $true )
      | ( ( ~ ( ssList @ SV234 )
          | ~ ( ssList @ SV160 )
          | ( ( app @ ( app @ ( skaf47 @ SV160 @ SV234 ) @ SV234 ) @ ( skaf48 @ SV234 @ SV160 ) )
            = SV160 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1033]) ).

thf(1169,plain,
    ! [SV235: $i,SV161: $i] :
      ( ( ( ~ ( memberP @ SV161 @ SV235 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV235 )
          | ~ ( ssList @ SV161 )
          | ( ( app @ ( skaf42 @ SV161 @ SV235 ) @ ( cons @ SV235 @ ( skaf43 @ SV235 @ SV161 ) ) )
            = SV161 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1034]) ).

thf(1170,plain,
    ! [SV258: $i,SV236: $i,SV162: $i] :
      ( ( ! [SY553: $i] :
            ( ( ( cons @ SV162 @ SV236 )
             != ( cons @ SV258 @ SY553 ) )
            | ~ ( ssItem @ SV258 )
            | ~ ( ssItem @ SV162 )
            | ~ ( ssList @ SY553 )
            | ~ ( ssList @ SV236 )
            | ( SV162 = SV258 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1035]) ).

thf(1171,plain,
    ! [SV259: $i,SV237: $i,SV163: $i] :
      ( ( ! [SY554: $i] :
            ( ( ( cons @ SV163 @ SV237 )
             != ( cons @ SV259 @ SY554 ) )
            | ~ ( ssItem @ SV259 )
            | ~ ( ssItem @ SV163 )
            | ~ ( ssList @ SY554 )
            | ~ ( ssList @ SV237 )
            | ( SY554 = SV237 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1036]) ).

thf(1172,plain,
    ! [SV238: $i,SV164: $i] :
      ( ( ( ~ ( segmentP @ SV164 @ SV238 ) )
        = $true )
      | ( ( ! [SY515: $i] :
              ( ~ ( ssList @ SY515 )
              | ! [SY516: $i] :
                  ( ~ ( ssList @ SY516 )
                  | ~ ( ssList @ SV238 )
                  | ~ ( ssList @ SV164 )
                  | ( segmentP @ ( app @ ( app @ SY516 @ SV164 ) @ SY515 ) @ SV238 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1037]) ).

thf(1173,plain,
    ! [SV260: $i,SV239: $i,SV165: $i] :
      ( ( ! [SY555: $i] :
            ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
             != SY555 )
            | ~ ( ssList @ SV260 )
            | ~ ( ssList @ SV165 )
            | ~ ( ssList @ SV239 )
            | ~ ( ssList @ SY555 )
            | ( segmentP @ SY555 @ SV239 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1038]) ).

thf(1174,plain,
    ! [SV261: $i,SV240: $i,SV166: $i] :
      ( ( ! [SY556: $i] :
            ( ~ ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SY556 ) )
            | ~ ( ssList @ SY556 )
            | ~ ( ssList @ SV240 )
            | ~ ( ssItem @ SV261 )
            | ~ ( ssItem @ SV166 )
            | ( frontsegP @ SV240 @ SY556 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1039]) ).

thf(1175,plain,
    ! [SV262: $i,SV241: $i,SV167: $i] :
      ( ( ! [SY557: $i] :
            ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
             != SY557 )
            | ~ ( ssList @ SV262 )
            | ~ ( ssList @ SV167 )
            | ~ ( ssItem @ SV241 )
            | ~ ( ssList @ SY557 )
            | ( memberP @ SY557 @ SV241 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1040]) ).

thf(1176,plain,
    ! [SV263: $i,SV242: $i,SV168: $i] :
      ( ( ! [SY558: $i] :
            ( ~ ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SY558 ) )
            | ~ ( ssList @ SY558 )
            | ~ ( ssList @ SV242 )
            | ~ ( ssItem @ SV263 )
            | ~ ( ssItem @ SV168 )
            | ( SV168 = SV263 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1041]) ).

thf(1177,plain,
    ! [SV243: $i,SV169: $i] :
      ( ( ( ( tl @ SV169 )
         != ( tl @ SV243 ) )
        = $true )
      | ( ( ( ( hd @ SV169 )
           != ( hd @ SV243 ) )
          | ~ ( ssList @ SV169 )
          | ~ ( ssList @ SV243 )
          | ( nil = SV243 )
          | ( SV169 = SV243 )
          | ( nil = SV169 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1042]) ).

thf(1178,plain,
    ! [SV244: $i,SV170: $i] :
      ( ( ( ~ ( frontsegP @ SV170 @ SV244 ) )
        = $true )
      | ( ( ! [SY525: $i,SY526: $i] :
              ( ( SY525 != SY526 )
              | ~ ( ssList @ SV244 )
              | ~ ( ssList @ SV170 )
              | ~ ( ssItem @ SY526 )
              | ~ ( ssItem @ SY525 )
              | ( frontsegP @ ( cons @ SY525 @ SV170 ) @ ( cons @ SY526 @ SV244 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1043]) ).

thf(1179,plain,
    ! [SV264: $i,SV245: $i,SV171: $i] :
      ( ( ! [SY559: $i,SY560: $i] :
            ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SY559 ) )
             != SY560 )
            | ~ ( ssList @ SY559 )
            | ~ ( ssList @ SV264 )
            | ~ ( ssList @ SV171 )
            | ~ ( ssItem @ SV245 )
            | ~ ( duplicatefreeP @ SY560 )
            | ~ ( ssList @ SY560 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1044]) ).

thf(1180,plain,
    ! [SV265: $i,SV246: $i,SV172: $i] :
      ( ( ! [SY561: $i,SY562: $i] :
            ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SY561 ) ) )
             != SY562 )
            | ~ ( ssList @ SY561 )
            | ~ ( ssList @ SV172 )
            | ~ ( ssItem @ SV265 )
            | ~ ( ssItem @ SV246 )
            | ~ ( equalelemsP @ SY562 )
            | ~ ( ssList @ SY562 )
            | ( SV246 = SV265 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1045]) ).

thf(1181,plain,
    ! [SV266: $i,SV247: $i,SV173: $i] :
      ( ( ! [SY563: $i,SY564: $i,SY565: $i] :
            ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SY563 @ SY564 ) )
             != SY565 )
            | ~ ( ssList @ SY564 )
            | ~ ( ssList @ SV266 )
            | ~ ( ssList @ SV173 )
            | ~ ( ssItem @ SY563 )
            | ~ ( ssItem @ SV247 )
            | ~ ( strictorderedP @ SY565 )
            | ~ ( ssList @ SY565 )
            | ( lt @ SV247 @ SY563 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1046]) ).

thf(1182,plain,
    ! [SV267: $i,SV248: $i,SV174: $i] :
      ( ( ! [SY566: $i,SY567: $i,SY568: $i] :
            ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SY566 @ SY567 ) )
             != SY568 )
            | ~ ( ssList @ SY567 )
            | ~ ( ssList @ SV267 )
            | ~ ( ssList @ SV174 )
            | ~ ( ssItem @ SY566 )
            | ~ ( ssItem @ SV248 )
            | ~ ( totalorderedP @ SY568 )
            | ~ ( ssList @ SY568 )
            | ( leq @ SV248 @ SY566 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1047]) ).

thf(1183,plain,
    ! [SV268: $i,SV249: $i,SV175: $i] :
      ( ( ! [SY569: $i,SY570: $i,SY571: $i] :
            ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SY569 @ SY570 ) )
             != SY571 )
            | ~ ( ssList @ SY570 )
            | ~ ( ssList @ SV268 )
            | ~ ( ssList @ SV175 )
            | ~ ( ssItem @ SY569 )
            | ~ ( ssItem @ SV249 )
            | ~ ( strictorderP @ SY571 )
            | ~ ( ssList @ SY571 )
            | ( lt @ SV249 @ SY569 )
            | ( lt @ SY569 @ SV249 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1048]) ).

thf(1184,plain,
    ! [SV269: $i,SV250: $i,SV176: $i] :
      ( ( ! [SY572: $i,SY573: $i,SY574: $i] :
            ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SY572 @ SY573 ) )
             != SY574 )
            | ~ ( ssList @ SY573 )
            | ~ ( ssList @ SV269 )
            | ~ ( ssList @ SV176 )
            | ~ ( ssItem @ SY572 )
            | ~ ( ssItem @ SV250 )
            | ~ ( totalorderP @ SY574 )
            | ~ ( ssList @ SY574 )
            | ( leq @ SV250 @ SY572 )
            | ( leq @ SY572 @ SV250 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1049]) ).

thf(1185,plain,
    ! [SV270: $i,SV251: $i,SV177: $i] :
      ( ( ! [SY575: $i] :
            ( ~ ( leq @ SV177 @ SV251 )
            | ~ ( leq @ SV251 @ SV177 )
            | ! [SY576: $i,SY577: $i] :
                ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SY575 ) ) @ ( cons @ SV251 @ SY576 ) )
                 != SY577 )
                | ~ ( ssList @ SY576 )
                | ~ ( ssList @ SY575 )
                | ~ ( ssList @ SV270 )
                | ~ ( ssItem @ SV251 )
                | ~ ( ssItem @ SV177 )
                | ~ ( cyclefreeP @ SY577 )
                | ~ ( ssList @ SY577 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1050]) ).

thf(1186,plain,
    ! [SV1: $i,SV271: $i] :
      ( ( ( ~ ( ssList @ SV271 )
          | ! [SY578: $i] :
              ( ~ ( ssList @ SY578 )
              | ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SY578 )
               != sk2 )
              | ( ( app @ SV271 @ SY578 )
               != sk1 )
              | ( neq @ sk2 @ nil ) ) )
        = $true )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1051]) ).

thf(1187,plain,
    ! [SV2: $i] :
      ( ( ( sk5 = SV2 )
        = $true )
      | ( ( ~ ( memberP @ sk4 @ SV2 )
          | ~ ( geq @ SV2 @ sk5 )
          | ( neq @ sk2 @ nil ) )
        = $true )
      | ( ( ssItem @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1052]) ).

thf(1188,plain,
    ! [SV3: $i,SV272: $i] :
      ( ( ( ~ ( ssList @ SV272 )
          | ! [SY579: $i] :
              ( ~ ( ssList @ SY579 )
              | ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SY579 )
               != sk2 )
              | ( ( app @ SV272 @ SY579 )
               != sk1 )
              | ~ ( neq @ sk4 @ nil ) ) )
        = $true )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1053]) ).

thf(1189,plain,
    ! [SV4: $i] :
      ( ( ( sk5 = SV4 )
        = $true )
      | ( ( ~ ( memberP @ sk4 @ SV4 )
          | ~ ( geq @ SV4 @ sk5 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( ssItem @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1054]) ).

thf(1190,plain,
    ! [SV55: $i] :
      ( ( ( ssItem @ SV55 )
        = $false )
      | ( ( lt @ SV55 @ SV55 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1063]) ).

thf(1191,plain,
    ! [SV63: $i] :
      ( ( ( ssItem @ SV63 )
        = $false )
      | ( ( memberP @ nil @ SV63 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1071]) ).

thf(1192,plain,
    ! [SV64: $i] :
      ( ( ( duplicatefreeP @ SV64 )
        = $true )
      | ( ( ! [V: $i] : ( ssItem @ V ) )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1072]) ).

thf(1193,plain,
    ! [SV67: $i] :
      ( ( ( nil = SV67 )
        = $true )
      | ( ( ssList @ ( tl @ SV67 ) )
        = $true )
      | ( ( ssList @ SV67 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1075]) ).

thf(1194,plain,
    ! [SV68: $i] :
      ( ( ( nil = SV68 )
        = $true )
      | ( ( ssItem @ ( hd @ SV68 ) )
        = $true )
      | ( ( ssList @ SV68 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1076]) ).

thf(1195,plain,
    ! [SV69: $i] :
      ( ( ( nil = SV69 )
        = $true )
      | ( ( ssList @ ( tl @ SV69 ) )
        = $true )
      | ( ( ssList @ SV69 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1077]) ).

thf(1196,plain,
    ! [SV70: $i] :
      ( ( ( nil = SV70 )
        = $true )
      | ( ( ssItem @ ( hd @ SV70 ) )
        = $true )
      | ( ( ssList @ SV70 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1078]) ).

thf(1197,plain,
    ! [SV71: $i] :
      ( ( ( ~ ( ssList @ SV71 ) )
        = $true )
      | ( ( segmentP @ nil @ SV71 )
        = $true )
      | ( ( nil = SV71 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1079]) ).

thf(1198,plain,
    ! [SV72: $i] :
      ( ( ( ~ ( ssList @ SV72 ) )
        = $true )
      | ( ( nil = SV72 )
        = $true )
      | ( ( segmentP @ nil @ SV72 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1080]) ).

thf(1199,plain,
    ! [SV73: $i] :
      ( ( ( ~ ( ssList @ SV73 ) )
        = $true )
      | ( ( rearsegP @ nil @ SV73 )
        = $true )
      | ( ( nil = SV73 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1081]) ).

thf(1200,plain,
    ! [SV74: $i] :
      ( ( ( ~ ( ssList @ SV74 ) )
        = $true )
      | ( ( nil = SV74 )
        = $true )
      | ( ( rearsegP @ nil @ SV74 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1082]) ).

thf(1201,plain,
    ! [SV75: $i] :
      ( ( ( ~ ( ssList @ SV75 ) )
        = $true )
      | ( ( frontsegP @ nil @ SV75 )
        = $true )
      | ( ( nil = SV75 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1083]) ).

thf(1202,plain,
    ! [SV76: $i] :
      ( ( ( ~ ( ssList @ SV76 ) )
        = $true )
      | ( ( nil = SV76 )
        = $true )
      | ( ( frontsegP @ nil @ SV76 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1084]) ).

thf(1203,plain,
    ! [SV77: $i,SV273: $i] :
      ( ( ( ~ ( ssList @ SV273 )
          | ( ssList @ ( app @ SV273 @ SV77 ) ) )
        = $true )
      | ( ( ssList @ SV77 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1085]) ).

thf(1204,plain,
    ! [SV78: $i,SV274: $i] :
      ( ( ( ~ ( ssList @ SV274 )
          | ( ssList @ ( cons @ SV78 @ SV274 ) ) )
        = $true )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1086]) ).

thf(1205,plain,
    ! [SV79: $i] :
      ( ( ( cyclefreeP @ SV79 )
        = $true )
      | ( ( leq @ ( skaf50 @ SV79 ) @ ( skaf49 @ SV79 ) )
        = $true )
      | ( ( ssList @ SV79 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1087]) ).

thf(1206,plain,
    ! [SV80: $i] :
      ( ( ( cyclefreeP @ SV80 )
        = $true )
      | ( ( leq @ ( skaf49 @ SV80 ) @ ( skaf50 @ SV80 ) )
        = $true )
      | ( ( ssList @ SV80 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1088]) ).

thf(1207,plain,
    ! [SV81: $i] :
      ( ( ( ~ ( ssList @ SV81 ) )
        = $true )
      | ( ( equalelemsP @ SV81 )
        = $true )
      | ( ( ( skaf79 @ SV81 )
          = ( skaf78 @ SV81 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1089]) ).

thf(1208,plain,
    ! [SV82: $i] :
      ( ( ( ~ ( ssList @ SV82 ) )
        = $true )
      | ( ( strictorderedP @ SV82 )
        = $true )
      | ( ( lt @ ( skaf69 @ SV82 ) @ ( skaf70 @ SV82 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1090]) ).

thf(1209,plain,
    ! [SV83: $i] :
      ( ( ( ~ ( ssList @ SV83 ) )
        = $true )
      | ( ( totalorderedP @ SV83 )
        = $true )
      | ( ( leq @ ( skaf64 @ SV83 ) @ ( skaf65 @ SV83 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1091]) ).

thf(1210,plain,
    ! [SV84: $i] :
      ( ( ( ~ ( ssList @ SV84 ) )
        = $true )
      | ( ( strictorderP @ SV84 )
        = $true )
      | ( ( lt @ ( skaf60 @ SV84 ) @ ( skaf59 @ SV84 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1092]) ).

thf(1211,plain,
    ! [SV85: $i] :
      ( ( ( ~ ( ssList @ SV85 ) )
        = $true )
      | ( ( strictorderP @ SV85 )
        = $true )
      | ( ( lt @ ( skaf59 @ SV85 ) @ ( skaf60 @ SV85 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1093]) ).

thf(1212,plain,
    ! [SV86: $i] :
      ( ( ( ~ ( ssList @ SV86 ) )
        = $true )
      | ( ( totalorderP @ SV86 )
        = $true )
      | ( ( leq @ ( skaf55 @ SV86 ) @ ( skaf54 @ SV86 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1094]) ).

thf(1213,plain,
    ! [SV87: $i] :
      ( ( ( ~ ( ssList @ SV87 ) )
        = $true )
      | ( ( totalorderP @ SV87 )
        = $true )
      | ( ( leq @ ( skaf54 @ SV87 ) @ ( skaf55 @ SV87 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1095]) ).

thf(1214,plain,
    ! [SV88: $i,SV275: $i] :
      ( ( ( ~ ( ssList @ SV275 )
          | ( ( tl @ ( cons @ SV88 @ SV275 ) )
            = SV275 ) )
        = $true )
      | ( ( ssItem @ SV88 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1096]) ).

thf(1215,plain,
    ! [SV89: $i,SV276: $i] :
      ( ( ( ~ ( ssList @ SV276 )
          | ( ( hd @ ( cons @ SV89 @ SV276 ) )
            = SV89 ) )
        = $true )
      | ( ( ssItem @ SV89 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1097]) ).

thf(1216,plain,
    ! [SV184: $i,SV90: $i] :
      ( ( ( ( cons @ SV90 @ SV184 )
          = nil )
        = $false )
      | ( ( ~ ( ssItem @ SV90 )
          | ~ ( ssList @ SV184 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1098]) ).

thf(1217,plain,
    ! [SV185: $i,SV91: $i] :
      ( ( ( ( cons @ SV91 @ SV185 )
          = SV185 )
        = $false )
      | ( ( ~ ( ssItem @ SV91 )
          | ~ ( ssList @ SV185 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1099]) ).

thf(1218,plain,
    ! [SV92: $i,SV277: $i] :
      ( ( ( ~ ( ssList @ SV277 )
          | ( SV277 = SV92 )
          | ( neq @ SV277 @ SV92 ) )
        = $true )
      | ( ( ssList @ SV92 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1100]) ).

thf(1219,plain,
    ! [SV93: $i] :
      ( ( ( ~ ( ssList @ SV93 ) )
        = $true )
      | ( ( ( cons @ ( skaf44 @ SV93 ) @ nil )
          = SV93 )
        = $true )
      | ( ( singletonP @ SV93 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1101]) ).

thf(1220,plain,
    ! [SV94: $i,SV278: $i] :
      ( ( ( ~ ( ssItem @ SV278 )
          | ( SV278 = SV94 )
          | ( neq @ SV278 @ SV94 ) )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1102]) ).

thf(1221,plain,
    ! [SV186: $i,SV95: $i] :
      ( ( ( lt @ SV95 @ SV186 )
        = $false )
      | ( ( ~ ( ssItem @ SV186 )
          | ~ ( ssItem @ SV95 )
          | ( leq @ SV95 @ SV186 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1103]) ).

thf(1222,plain,
    ! [SV96: $i] :
      ( ( ( ( cons @ ( hd @ SV96 ) @ ( tl @ SV96 ) )
          = SV96 )
        = $true )
      | ( ( nil = SV96 )
        = $true )
      | ( ( ssList @ SV96 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1104]) ).

thf(1223,plain,
    ! [SV187: $i,SV97: $i] :
      ( ( ( gt @ SV97 @ SV187 )
        = $false )
      | ( ( ~ ( ssItem @ SV187 )
          | ~ ( ssItem @ SV97 )
          | ( lt @ SV187 @ SV97 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1105]) ).

thf(1224,plain,
    ! [SV188: $i,SV98: $i] :
      ( ( ( lt @ SV98 @ SV188 )
        = $false )
      | ( ( ~ ( ssItem @ SV98 )
          | ~ ( ssItem @ SV188 )
          | ( gt @ SV188 @ SV98 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1106]) ).

thf(1225,plain,
    ! [SV189: $i,SV99: $i] :
      ( ( ( geq @ SV99 @ SV189 )
        = $false )
      | ( ( ~ ( ssItem @ SV189 )
          | ~ ( ssItem @ SV99 )
          | ( leq @ SV189 @ SV99 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1107]) ).

thf(1226,plain,
    ! [SV190: $i,SV100: $i] :
      ( ( ( leq @ SV100 @ SV190 )
        = $false )
      | ( ( ~ ( ssItem @ SV100 )
          | ~ ( ssItem @ SV190 )
          | ( geq @ SV190 @ SV100 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1108]) ).

thf(1227,plain,
    ! [SV101: $i] :
      ( ( ( ( cons @ ( skaf83 @ SV101 ) @ ( skaf82 @ SV101 ) )
          = SV101 )
        = $true )
      | ( ( nil = SV101 )
        = $true )
      | ( ( ssList @ SV101 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1109]) ).

thf(1228,plain,
    ! [SV191: $i,SV102: $i] :
      ( ( ( gt @ SV102 @ SV191 )
        = $false )
      | ( ( ~ ( gt @ SV191 @ SV102 )
          | ~ ( ssItem @ SV102 )
          | ~ ( ssItem @ SV191 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1110]) ).

thf(1229,plain,
    ! [SV192: $i,SV103: $i] :
      ( ( ( SV103 = SV192 )
        = $false )
      | ( ( ~ ( lt @ SV103 @ SV192 )
          | ~ ( ssItem @ SV192 )
          | ~ ( ssItem @ SV103 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1111]) ).

thf(1230,plain,
    ! [SV104: $i] :
      ( ( ( ~ ( ssList @ SV104 ) )
        = $true )
      | ( ( ! [SY360: $i] :
              ( ~ ( ssItem @ SY360 )
              | ( strictorderedP @ ( cons @ SY360 @ SV104 ) ) ) )
        = $true )
      | ( ( nil = SV104 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1112]) ).

thf(1231,plain,
    ! [SV105: $i] :
      ( ( ( ~ ( ssList @ SV105 ) )
        = $true )
      | ( ( ! [SY361: $i] :
              ( ~ ( ssItem @ SY361 )
              | ( totalorderedP @ ( cons @ SY361 @ SV105 ) ) ) )
        = $true )
      | ( ( nil = SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1113]) ).

thf(1232,plain,
    ! [SV193: $i,SV106: $i] :
      ( ( ( lt @ SV106 @ SV193 )
        = $false )
      | ( ( ~ ( lt @ SV193 @ SV106 )
          | ~ ( ssItem @ SV106 )
          | ~ ( ssItem @ SV193 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1114]) ).

thf(1233,plain,
    ! [SV194: $i,SV107: $i] :
      ( ( ( SV107 = SV194 )
        = $false )
      | ( ( ~ ( neq @ SV107 @ SV194 )
          | ~ ( ssList @ SV194 )
          | ~ ( ssList @ SV107 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1115]) ).

thf(1234,plain,
    ! [SV195: $i,SV108: $i] :
      ( ( ( ( cons @ SV108 @ nil )
          = SV195 )
        = $false )
      | ( ( ~ ( ssItem @ SV108 )
          | ~ ( ssList @ SV195 )
          | ( singletonP @ SV195 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1116]) ).

thf(1235,plain,
    ! [SV196: $i,SV109: $i] :
      ( ( ( SV109 = SV196 )
        = $false )
      | ( ( ~ ( neq @ SV109 @ SV196 )
          | ~ ( ssItem @ SV196 )
          | ~ ( ssItem @ SV109 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1117]) ).

thf(1236,plain,
    ! [SV197: $i,SV110: $i] :
      ( ( ( ( app @ SV110 @ SV197 )
          = nil )
        = $false )
      | ( ( ~ ( ssList @ SV197 )
          | ~ ( ssList @ SV110 )
          | ( nil = SV110 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1118]) ).

thf(1237,plain,
    ! [SV198: $i,SV111: $i] :
      ( ( ( ( app @ SV111 @ SV198 )
          = nil )
        = $false )
      | ( ( ~ ( ssList @ SV198 )
          | ~ ( ssList @ SV111 )
          | ( nil = SV198 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1119]) ).

thf(1238,plain,
    ! [SV112: $i,SV279: $i] :
      ( ( ( ~ ( ssList @ SV279 )
          | ( ( app @ ( cons @ SV112 @ nil ) @ SV279 )
            = ( cons @ SV112 @ SV279 ) ) )
        = $true )
      | ( ( ssItem @ SV112 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1120]) ).

thf(1239,plain,
    ! [SV199: $i,SV113: $i] :
      ( ( ( leq @ SV113 @ SV199 )
        = $false )
      | ( ( ~ ( ssItem @ SV199 )
          | ~ ( ssItem @ SV113 )
          | ( SV113 = SV199 )
          | ( lt @ SV113 @ SV199 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1121]) ).

thf(1240,plain,
    ! [SV200: $i,SV114: $i] :
      ( ( ( leq @ SV114 @ SV200 )
        = $false )
      | ( ( ~ ( ssItem @ SV200 )
          | ~ ( ssItem @ SV114 )
          | ( SV114 = SV200 )
          | ( lt @ SV114 @ SV200 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1122]) ).

thf(1241,plain,
    ! [SV115: $i,SV280: $i] :
      ( ( ( ~ ( ssList @ SV280 )
          | ( nil = SV280 )
          | ( ( hd @ ( app @ SV280 @ SV115 ) )
            = ( hd @ SV280 ) ) )
        = $true )
      | ( ( ssList @ SV115 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1123]) ).

thf(1242,plain,
    ! [SV201: $i,SV116: $i] :
      ( ( ( strictorderedP @ ( cons @ SV116 @ SV201 ) )
        = $false )
      | ( ( ~ ( ssList @ SV201 )
          | ~ ( ssItem @ SV116 )
          | ( nil = SV201 )
          | ( strictorderedP @ SV201 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1124]) ).

thf(1243,plain,
    ! [SV202: $i,SV117: $i] :
      ( ( ( totalorderedP @ ( cons @ SV117 @ SV202 ) )
        = $false )
      | ( ( ~ ( ssList @ SV202 )
          | ~ ( ssItem @ SV117 )
          | ( nil = SV202 )
          | ( totalorderedP @ SV202 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1125]) ).

thf(1244,plain,
    ! [SV203: $i,SV118: $i] :
      ( ( ( geq @ SV118 @ SV203 )
        = $false )
      | ( ( ~ ( geq @ SV203 @ SV118 )
          | ~ ( ssItem @ SV118 )
          | ~ ( ssItem @ SV203 )
          | ( SV203 = SV118 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1126]) ).

thf(1245,plain,
    ! [SV204: $i,SV119: $i] :
      ( ( ( segmentP @ SV119 @ SV204 )
        = $false )
      | ( ( ~ ( segmentP @ SV204 @ SV119 )
          | ~ ( ssList @ SV119 )
          | ~ ( ssList @ SV204 )
          | ( SV204 = SV119 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1127]) ).

thf(1246,plain,
    ! [SV205: $i,SV120: $i] :
      ( ( ( rearsegP @ SV120 @ SV205 )
        = $false )
      | ( ( ~ ( rearsegP @ SV205 @ SV120 )
          | ~ ( ssList @ SV120 )
          | ~ ( ssList @ SV205 )
          | ( SV205 = SV120 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1128]) ).

thf(1247,plain,
    ! [SV206: $i,SV121: $i] :
      ( ( ( frontsegP @ SV121 @ SV206 )
        = $false )
      | ( ( ~ ( frontsegP @ SV206 @ SV121 )
          | ~ ( ssList @ SV121 )
          | ~ ( ssList @ SV206 )
          | ( SV206 = SV121 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1129]) ).

thf(1248,plain,
    ! [SV207: $i,SV122: $i] :
      ( ( ( leq @ SV122 @ SV207 )
        = $false )
      | ( ( ~ ( leq @ SV207 @ SV122 )
          | ~ ( ssItem @ SV122 )
          | ~ ( ssItem @ SV207 )
          | ( SV207 = SV122 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1130]) ).

thf(1249,plain,
    ! [SV208: $i,SV123: $i] :
      ( ( ( rearsegP @ SV123 @ SV208 )
        = $false )
      | ( ( ~ ( ssList @ SV208 )
          | ~ ( ssList @ SV123 )
          | ( ( app @ ( skaf46 @ SV123 @ SV208 ) @ SV208 )
            = SV123 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1131]) ).

thf(1250,plain,
    ! [SV209: $i,SV124: $i] :
      ( ( ( frontsegP @ SV124 @ SV209 )
        = $false )
      | ( ( ~ ( ssList @ SV209 )
          | ~ ( ssList @ SV124 )
          | ( ( app @ SV209 @ ( skaf45 @ SV124 @ SV209 ) )
            = SV124 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1132]) ).

thf(1251,plain,
    ! [SV125: $i,SV281: $i] :
      ( ( ( ~ ( ssList @ SV281 )
          | ( nil = SV281 )
          | ( ( tl @ ( app @ SV281 @ SV125 ) )
            = ( app @ ( tl @ SV281 ) @ SV125 ) ) )
        = $true )
      | ( ( ssList @ SV125 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1133]) ).

thf(1252,plain,
    ! [SV210: $i,SV126: $i] :
      ( ( ( strictorderedP @ ( cons @ SV126 @ SV210 ) )
        = $false )
      | ( ( ~ ( ssList @ SV210 )
          | ~ ( ssItem @ SV126 )
          | ( nil = SV210 )
          | ( lt @ SV126 @ ( hd @ SV210 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1134]) ).

thf(1253,plain,
    ! [SV211: $i,SV127: $i] :
      ( ( ( totalorderedP @ ( cons @ SV127 @ SV211 ) )
        = $false )
      | ( ( ~ ( ssList @ SV211 )
          | ~ ( ssItem @ SV127 )
          | ( nil = SV211 )
          | ( leq @ SV127 @ ( hd @ SV211 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1135]) ).

thf(1254,plain,
    ! [SV212: $i,SV128: $i] :
      ( ( ( rearsegP @ SV128 @ SV212 )
        = $false )
      | ( ( ! [SY491: $i] :
              ( ~ ( ssList @ SY491 )
              | ~ ( ssList @ SV212 )
              | ~ ( ssList @ SV128 )
              | ( rearsegP @ ( app @ SY491 @ SV128 ) @ SV212 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1136]) ).

thf(1255,plain,
    ! [SV213: $i,SV129: $i] :
      ( ( ( frontsegP @ SV129 @ SV213 )
        = $false )
      | ( ( ! [SY492: $i] :
              ( ~ ( ssList @ SY492 )
              | ~ ( ssList @ SV213 )
              | ~ ( ssList @ SV129 )
              | ( frontsegP @ ( app @ SV129 @ SY492 ) @ SV213 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1137]) ).

thf(1256,plain,
    ! [SV214: $i,SV130: $i] :
      ( ( ( SV130 = SV214 )
        = $false )
      | ( ( ! [SY493: $i] :
              ( ~ ( ssList @ SY493 )
              | ~ ( ssItem @ SV214 )
              | ~ ( ssItem @ SV130 )
              | ( memberP @ ( cons @ SV214 @ SY493 ) @ SV130 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1138]) ).

thf(1257,plain,
    ! [SV215: $i,SV131: $i] :
      ( ( ( memberP @ SV131 @ SV215 )
        = $false )
      | ( ( ~ ( ssList @ SV131 )
          | ! [SY494: $i] :
              ( ~ ( ssItem @ SY494 )
              | ~ ( ssItem @ SV215 )
              | ( memberP @ ( cons @ SY494 @ SV131 ) @ SV215 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1139]) ).

thf(1258,plain,
    ! [SV216: $i,SV132: $i] :
      ( ( ( memberP @ SV132 @ SV216 )
        = $false )
      | ( ( ! [SY495: $i] :
              ( ~ ( ssList @ SY495 )
              | ~ ( ssList @ SV132 )
              | ~ ( ssItem @ SV216 )
              | ( memberP @ ( app @ SV132 @ SY495 ) @ SV216 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1140]) ).

thf(1259,plain,
    ! [SV217: $i,SV133: $i] :
      ( ( ( memberP @ SV133 @ SV217 )
        = $false )
      | ( ( ~ ( ssList @ SV133 )
          | ! [SY496: $i] :
              ( ~ ( ssList @ SY496 )
              | ~ ( ssItem @ SV217 )
              | ( memberP @ ( app @ SY496 @ SV133 ) @ SV217 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1141]) ).

thf(1260,plain,
    ! [SV134: $i] :
      ( ( ( ( app @ ( skaf80 @ SV134 ) @ ( cons @ ( skaf78 @ SV134 ) @ ( cons @ ( skaf79 @ SV134 ) @ ( skaf81 @ SV134 ) ) ) )
          = SV134 )
        = $true )
      | ( ( equalelemsP @ SV134 )
        = $true )
      | ( ( ssList @ SV134 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1142]) ).

thf(1261,plain,
    ! [SV252: $i,SV218: $i,SV135: $i] :
      ( ( ( ( app @ SV135 @ SV218 )
         != SV252 )
        = $true )
      | ( ( ~ ( ssList @ SV135 )
          | ~ ( ssList @ SV218 )
          | ~ ( ssList @ SV252 )
          | ( rearsegP @ SV252 @ SV218 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1143]) ).

thf(1262,plain,
    ! [SV253: $i,SV219: $i,SV136: $i] :
      ( ( ( ( app @ SV136 @ SV219 )
         != SV253 )
        = $true )
      | ( ( ~ ( ssList @ SV219 )
          | ~ ( ssList @ SV136 )
          | ~ ( ssList @ SV253 )
          | ( frontsegP @ SV253 @ SV136 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1144]) ).

thf(1263,plain,
    ! [SV137: $i,SV282: $i] :
      ( ( ( ( nil != SV282 )
          | ~ ( ssList @ SV282 )
          | ~ ( ssList @ SV137 )
          | ( ( app @ SV137 @ SV282 )
            = nil ) )
        = $true )
      | ( ( nil = SV137 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1145]) ).

thf(1264,plain,
    ! [SV220: $i,SV138: $i] :
      ( ( ( gt @ SV138 @ SV220 )
        = $false )
      | ( ( ! [SY499: $i] :
              ( ~ ( gt @ SV220 @ SY499 )
              | ~ ( ssItem @ SY499 )
              | ~ ( ssItem @ SV220 )
              | ~ ( ssItem @ SV138 )
              | ( gt @ SV138 @ SY499 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1146]) ).

thf(1265,plain,
    ! [SV221: $i,SV139: $i] :
      ( ( ( leq @ SV139 @ SV221 )
        = $false )
      | ( ( ! [SY500: $i] :
              ( ~ ( lt @ SV221 @ SY500 )
              | ~ ( ssItem @ SY500 )
              | ~ ( ssItem @ SV221 )
              | ~ ( ssItem @ SV139 )
              | ( lt @ SV139 @ SY500 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1147]) ).

thf(1266,plain,
    ! [SV222: $i,SV140: $i] :
      ( ( ( geq @ SV140 @ SV222 )
        = $false )
      | ( ( ! [SY501: $i] :
              ( ~ ( geq @ SV222 @ SY501 )
              | ~ ( ssItem @ SY501 )
              | ~ ( ssItem @ SV222 )
              | ~ ( ssItem @ SV140 )
              | ( geq @ SV140 @ SY501 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1148]) ).

thf(1267,plain,
    ! [SV141: $i,SV283: $i] :
      ( ( ( ~ ( ssList @ SV283 )
          | ! [SY580: $i] :
              ( ~ ( ssList @ SY580 )
              | ( ( app @ ( app @ SY580 @ SV283 ) @ SV141 )
                = ( app @ SY580 @ ( app @ SV283 @ SV141 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV141 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1149]) ).

thf(1268,plain,
    ! [SV254: $i,SV223: $i,SV142: $i] :
      ( ( ( ( app @ SV142 @ SV223 )
         != ( app @ SV142 @ SV254 ) )
        = $true )
      | ( ( ~ ( ssList @ SV223 )
          | ~ ( ssList @ SV142 )
          | ~ ( ssList @ SV254 )
          | ( SV223 = SV254 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1150]) ).

thf(1269,plain,
    ! [SV255: $i,SV224: $i,SV143: $i] :
      ( ( ( ( app @ SV143 @ SV224 )
         != ( app @ SV255 @ SV224 ) )
        = $true )
      | ( ( ~ ( ssList @ SV143 )
          | ~ ( ssList @ SV224 )
          | ~ ( ssList @ SV255 )
          | ( SV143 = SV255 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1151]) ).

thf(1270,plain,
    ! [SV225: $i,SV144: $i] :
      ( ( ( segmentP @ SV144 @ SV225 )
        = $false )
      | ( ( ! [SY504: $i] :
              ( ~ ( segmentP @ SV225 @ SY504 )
              | ~ ( ssList @ SY504 )
              | ~ ( ssList @ SV225 )
              | ~ ( ssList @ SV144 )
              | ( segmentP @ SV144 @ SY504 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1152]) ).

thf(1271,plain,
    ! [SV226: $i,SV145: $i] :
      ( ( ( rearsegP @ SV145 @ SV226 )
        = $false )
      | ( ( ! [SY505: $i] :
              ( ~ ( rearsegP @ SV226 @ SY505 )
              | ~ ( ssList @ SY505 )
              | ~ ( ssList @ SV226 )
              | ~ ( ssList @ SV145 )
              | ( rearsegP @ SV145 @ SY505 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1153]) ).

thf(1272,plain,
    ! [SV227: $i,SV146: $i] :
      ( ( ( frontsegP @ SV146 @ SV227 )
        = $false )
      | ( ( ! [SY506: $i] :
              ( ~ ( frontsegP @ SV227 @ SY506 )
              | ~ ( ssList @ SY506 )
              | ~ ( ssList @ SV227 )
              | ~ ( ssList @ SV146 )
              | ( frontsegP @ SV146 @ SY506 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1154]) ).

thf(1273,plain,
    ! [SV228: $i,SV147: $i] :
      ( ( ( lt @ SV147 @ SV228 )
        = $false )
      | ( ( ! [SY507: $i] :
              ( ~ ( lt @ SV228 @ SY507 )
              | ~ ( ssItem @ SY507 )
              | ~ ( ssItem @ SV228 )
              | ~ ( ssItem @ SV147 )
              | ( lt @ SV147 @ SY507 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1155]) ).

thf(1274,plain,
    ! [SV229: $i,SV148: $i] :
      ( ( ( leq @ SV148 @ SV229 )
        = $false )
      | ( ( ! [SY508: $i] :
              ( ~ ( leq @ SV229 @ SY508 )
              | ~ ( ssItem @ SY508 )
              | ~ ( ssItem @ SV229 )
              | ~ ( ssItem @ SV148 )
              | ( leq @ SV148 @ SY508 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1156]) ).

thf(1275,plain,
    ! [SV149: $i,SV284: $i] :
      ( ( ( ~ ( ssList @ SV284 )
          | ! [SY581: $i] :
              ( ~ ( ssList @ SY581 )
              | ( ( cons @ SV149 @ ( app @ SV284 @ SY581 ) )
                = ( app @ ( cons @ SV149 @ SV284 ) @ SY581 ) ) ) )
        = $true )
      | ( ( ssItem @ SV149 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1157]) ).

thf(1276,plain,
    ! [SV256: $i,SV230: $i,SV150: $i] :
      ( ( ( ~ ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 ) )
        = $true )
      | ( ( ~ ( ssList @ SV230 )
          | ~ ( ssList @ SV150 )
          | ~ ( ssItem @ SV256 )
          | ( memberP @ SV230 @ SV256 )
          | ( memberP @ SV150 @ SV256 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1158]) ).

thf(1277,plain,
    ! [SV231: $i,SV151: $i] :
      ( ( ( leq @ SV151 @ ( hd @ SV231 ) )
        = $false )
      | ( ( ~ ( totalorderedP @ SV231 )
          | ~ ( ssList @ SV231 )
          | ~ ( ssItem @ SV151 )
          | ( nil = SV231 )
          | ( totalorderedP @ ( cons @ SV151 @ SV231 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1159]) ).

thf(1278,plain,
    ! [SV232: $i,SV152: $i] :
      ( ( ( lt @ SV152 @ ( hd @ SV232 ) )
        = $false )
      | ( ( ~ ( strictorderedP @ SV232 )
          | ~ ( ssList @ SV232 )
          | ~ ( ssItem @ SV152 )
          | ( nil = SV232 )
          | ( strictorderedP @ ( cons @ SV152 @ SV232 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1160]) ).

thf(1279,plain,
    ! [SV257: $i,SV233: $i,SV153: $i] :
      ( ( ( ~ ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 ) )
        = $true )
      | ( ( ~ ( ssList @ SV233 )
          | ~ ( ssItem @ SV153 )
          | ~ ( ssItem @ SV257 )
          | ( SV257 = SV153 )
          | ( memberP @ SV233 @ SV257 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1161]) ).

thf(1280,plain,
    ! [SV154: $i] :
      ( ( ( ( app @ ( app @ ( skaf75 @ SV154 ) @ ( cons @ ( skaf74 @ SV154 ) @ ( skaf76 @ SV154 ) ) ) @ ( cons @ ( skaf74 @ SV154 ) @ ( skaf77 @ SV154 ) ) )
          = SV154 )
        = $true )
      | ( ( duplicatefreeP @ SV154 )
        = $true )
      | ( ( ssList @ SV154 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1162]) ).

thf(1281,plain,
    ! [SV155: $i] :
      ( ( ( ( app @ ( app @ ( skaf71 @ SV155 ) @ ( cons @ ( skaf69 @ SV155 ) @ ( skaf72 @ SV155 ) ) ) @ ( cons @ ( skaf70 @ SV155 ) @ ( skaf73 @ SV155 ) ) )
          = SV155 )
        = $true )
      | ( ( strictorderedP @ SV155 )
        = $true )
      | ( ( ssList @ SV155 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1163]) ).

thf(1282,plain,
    ! [SV156: $i] :
      ( ( ( ( app @ ( app @ ( skaf66 @ SV156 ) @ ( cons @ ( skaf64 @ SV156 ) @ ( skaf67 @ SV156 ) ) ) @ ( cons @ ( skaf65 @ SV156 ) @ ( skaf68 @ SV156 ) ) )
          = SV156 )
        = $true )
      | ( ( totalorderedP @ SV156 )
        = $true )
      | ( ( ssList @ SV156 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1164]) ).

thf(1283,plain,
    ! [SV157: $i] :
      ( ( ( ( app @ ( app @ ( skaf61 @ SV157 ) @ ( cons @ ( skaf59 @ SV157 ) @ ( skaf62 @ SV157 ) ) ) @ ( cons @ ( skaf60 @ SV157 ) @ ( skaf63 @ SV157 ) ) )
          = SV157 )
        = $true )
      | ( ( strictorderP @ SV157 )
        = $true )
      | ( ( ssList @ SV157 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1165]) ).

thf(1284,plain,
    ! [SV158: $i] :
      ( ( ( ( app @ ( app @ ( skaf56 @ SV158 ) @ ( cons @ ( skaf54 @ SV158 ) @ ( skaf57 @ SV158 ) ) ) @ ( cons @ ( skaf55 @ SV158 ) @ ( skaf58 @ SV158 ) ) )
          = SV158 )
        = $true )
      | ( ( totalorderP @ SV158 )
        = $true )
      | ( ( ssList @ SV158 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1166]) ).

thf(1285,plain,
    ! [SV159: $i] :
      ( ( ( ( app @ ( app @ ( skaf51 @ SV159 ) @ ( cons @ ( skaf49 @ SV159 ) @ ( skaf52 @ SV159 ) ) ) @ ( cons @ ( skaf50 @ SV159 ) @ ( skaf53 @ SV159 ) ) )
          = SV159 )
        = $true )
      | ( ( cyclefreeP @ SV159 )
        = $true )
      | ( ( ssList @ SV159 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1167]) ).

thf(1286,plain,
    ! [SV234: $i,SV160: $i] :
      ( ( ( segmentP @ SV160 @ SV234 )
        = $false )
      | ( ( ~ ( ssList @ SV234 )
          | ~ ( ssList @ SV160 )
          | ( ( app @ ( app @ ( skaf47 @ SV160 @ SV234 ) @ SV234 ) @ ( skaf48 @ SV234 @ SV160 ) )
            = SV160 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1168]) ).

thf(1287,plain,
    ! [SV235: $i,SV161: $i] :
      ( ( ( memberP @ SV161 @ SV235 )
        = $false )
      | ( ( ~ ( ssItem @ SV235 )
          | ~ ( ssList @ SV161 )
          | ( ( app @ ( skaf42 @ SV161 @ SV235 ) @ ( cons @ SV235 @ ( skaf43 @ SV235 @ SV161 ) ) )
            = SV161 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1169]) ).

thf(1288,plain,
    ! [SV285: $i,SV258: $i,SV236: $i,SV162: $i] :
      ( ( ( ( cons @ SV162 @ SV236 )
         != ( cons @ SV258 @ SV285 ) )
        | ~ ( ssItem @ SV258 )
        | ~ ( ssItem @ SV162 )
        | ~ ( ssList @ SV285 )
        | ~ ( ssList @ SV236 )
        | ( SV162 = SV258 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1170]) ).

thf(1289,plain,
    ! [SV286: $i,SV259: $i,SV237: $i,SV163: $i] :
      ( ( ( ( cons @ SV163 @ SV237 )
         != ( cons @ SV259 @ SV286 ) )
        | ~ ( ssItem @ SV259 )
        | ~ ( ssItem @ SV163 )
        | ~ ( ssList @ SV286 )
        | ~ ( ssList @ SV237 )
        | ( SV286 = SV237 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1171]) ).

thf(1290,plain,
    ! [SV238: $i,SV164: $i] :
      ( ( ( segmentP @ SV164 @ SV238 )
        = $false )
      | ( ( ! [SY515: $i] :
              ( ~ ( ssList @ SY515 )
              | ! [SY516: $i] :
                  ( ~ ( ssList @ SY516 )
                  | ~ ( ssList @ SV238 )
                  | ~ ( ssList @ SV164 )
                  | ( segmentP @ ( app @ ( app @ SY516 @ SV164 ) @ SY515 ) @ SV238 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1172]) ).

thf(1291,plain,
    ! [SV287: $i,SV260: $i,SV239: $i,SV165: $i] :
      ( ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
         != SV287 )
        | ~ ( ssList @ SV260 )
        | ~ ( ssList @ SV165 )
        | ~ ( ssList @ SV239 )
        | ~ ( ssList @ SV287 )
        | ( segmentP @ SV287 @ SV239 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1173]) ).

thf(1292,plain,
    ! [SV288: $i,SV261: $i,SV240: $i,SV166: $i] :
      ( ( ~ ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        | ~ ( ssList @ SV288 )
        | ~ ( ssList @ SV240 )
        | ~ ( ssItem @ SV261 )
        | ~ ( ssItem @ SV166 )
        | ( frontsegP @ SV240 @ SV288 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1174]) ).

thf(1293,plain,
    ! [SV289: $i,SV262: $i,SV241: $i,SV167: $i] :
      ( ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
         != SV289 )
        | ~ ( ssList @ SV262 )
        | ~ ( ssList @ SV167 )
        | ~ ( ssItem @ SV241 )
        | ~ ( ssList @ SV289 )
        | ( memberP @ SV289 @ SV241 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1175]) ).

thf(1294,plain,
    ! [SV290: $i,SV263: $i,SV242: $i,SV168: $i] :
      ( ( ~ ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        | ~ ( ssList @ SV290 )
        | ~ ( ssList @ SV242 )
        | ~ ( ssItem @ SV263 )
        | ~ ( ssItem @ SV168 )
        | ( SV168 = SV263 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1176]) ).

thf(1295,plain,
    ! [SV243: $i,SV169: $i] :
      ( ( ( ( tl @ SV169 )
          = ( tl @ SV243 ) )
        = $false )
      | ( ( ( ( hd @ SV169 )
           != ( hd @ SV243 ) )
          | ~ ( ssList @ SV169 )
          | ~ ( ssList @ SV243 )
          | ( nil = SV243 )
          | ( SV169 = SV243 )
          | ( nil = SV169 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1177]) ).

thf(1296,plain,
    ! [SV244: $i,SV170: $i] :
      ( ( ( frontsegP @ SV170 @ SV244 )
        = $false )
      | ( ( ! [SY525: $i,SY526: $i] :
              ( ( SY525 != SY526 )
              | ~ ( ssList @ SV244 )
              | ~ ( ssList @ SV170 )
              | ~ ( ssItem @ SY526 )
              | ~ ( ssItem @ SY525 )
              | ( frontsegP @ ( cons @ SY525 @ SV170 ) @ ( cons @ SY526 @ SV244 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1178]) ).

thf(1297,plain,
    ! [SV291: $i,SV264: $i,SV245: $i,SV171: $i] :
      ( ( ! [SY582: $i] :
            ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
             != SY582 )
            | ~ ( ssList @ SV291 )
            | ~ ( ssList @ SV264 )
            | ~ ( ssList @ SV171 )
            | ~ ( ssItem @ SV245 )
            | ~ ( duplicatefreeP @ SY582 )
            | ~ ( ssList @ SY582 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1179]) ).

thf(1298,plain,
    ! [SV292: $i,SV265: $i,SV246: $i,SV172: $i] :
      ( ( ! [SY583: $i] :
            ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
             != SY583 )
            | ~ ( ssList @ SV292 )
            | ~ ( ssList @ SV172 )
            | ~ ( ssItem @ SV265 )
            | ~ ( ssItem @ SV246 )
            | ~ ( equalelemsP @ SY583 )
            | ~ ( ssList @ SY583 )
            | ( SV246 = SV265 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1180]) ).

thf(1299,plain,
    ! [SV293: $i,SV266: $i,SV247: $i,SV173: $i] :
      ( ( ! [SY584: $i,SY585: $i] :
            ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SY584 ) )
             != SY585 )
            | ~ ( ssList @ SY584 )
            | ~ ( ssList @ SV266 )
            | ~ ( ssList @ SV173 )
            | ~ ( ssItem @ SV293 )
            | ~ ( ssItem @ SV247 )
            | ~ ( strictorderedP @ SY585 )
            | ~ ( ssList @ SY585 )
            | ( lt @ SV247 @ SV293 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1181]) ).

thf(1300,plain,
    ! [SV294: $i,SV267: $i,SV248: $i,SV174: $i] :
      ( ( ! [SY586: $i,SY587: $i] :
            ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SY586 ) )
             != SY587 )
            | ~ ( ssList @ SY586 )
            | ~ ( ssList @ SV267 )
            | ~ ( ssList @ SV174 )
            | ~ ( ssItem @ SV294 )
            | ~ ( ssItem @ SV248 )
            | ~ ( totalorderedP @ SY587 )
            | ~ ( ssList @ SY587 )
            | ( leq @ SV248 @ SV294 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1182]) ).

thf(1301,plain,
    ! [SV295: $i,SV268: $i,SV249: $i,SV175: $i] :
      ( ( ! [SY588: $i,SY589: $i] :
            ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SY588 ) )
             != SY589 )
            | ~ ( ssList @ SY588 )
            | ~ ( ssList @ SV268 )
            | ~ ( ssList @ SV175 )
            | ~ ( ssItem @ SV295 )
            | ~ ( ssItem @ SV249 )
            | ~ ( strictorderP @ SY589 )
            | ~ ( ssList @ SY589 )
            | ( lt @ SV249 @ SV295 )
            | ( lt @ SV295 @ SV249 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1183]) ).

thf(1302,plain,
    ! [SV296: $i,SV269: $i,SV250: $i,SV176: $i] :
      ( ( ! [SY590: $i,SY591: $i] :
            ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SY590 ) )
             != SY591 )
            | ~ ( ssList @ SY590 )
            | ~ ( ssList @ SV269 )
            | ~ ( ssList @ SV176 )
            | ~ ( ssItem @ SV296 )
            | ~ ( ssItem @ SV250 )
            | ~ ( totalorderP @ SY591 )
            | ~ ( ssList @ SY591 )
            | ( leq @ SV250 @ SV296 )
            | ( leq @ SV296 @ SV250 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1184]) ).

thf(1303,plain,
    ! [SV297: $i,SV270: $i,SV251: $i,SV177: $i] :
      ( ( ~ ( leq @ SV177 @ SV251 )
        | ~ ( leq @ SV251 @ SV177 )
        | ! [SY592: $i,SY593: $i] :
            ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SY592 ) )
             != SY593 )
            | ~ ( ssList @ SY592 )
            | ~ ( ssList @ SV297 )
            | ~ ( ssList @ SV270 )
            | ~ ( ssItem @ SV251 )
            | ~ ( ssItem @ SV177 )
            | ~ ( cyclefreeP @ SY593 )
            | ~ ( ssList @ SY593 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1185]) ).

thf(1304,plain,
    ! [SV1: $i,SV271: $i] :
      ( ( ( ~ ( ssList @ SV271 ) )
        = $true )
      | ( ( ! [SY578: $i] :
              ( ~ ( ssList @ SY578 )
              | ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SY578 )
               != sk2 )
              | ( ( app @ SV271 @ SY578 )
               != sk1 )
              | ( neq @ sk2 @ nil ) ) )
        = $true )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1186]) ).

thf(1305,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( memberP @ sk4 @ SV2 ) )
        = $true )
      | ( ( ~ ( geq @ SV2 @ sk5 )
          | ( neq @ sk2 @ nil ) )
        = $true )
      | ( ( sk5 = SV2 )
        = $true )
      | ( ( ssItem @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1187]) ).

thf(1306,plain,
    ! [SV3: $i,SV272: $i] :
      ( ( ( ~ ( ssList @ SV272 ) )
        = $true )
      | ( ( ! [SY579: $i] :
              ( ~ ( ssList @ SY579 )
              | ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SY579 )
               != sk2 )
              | ( ( app @ SV272 @ SY579 )
               != sk1 )
              | ~ ( neq @ sk4 @ nil ) ) )
        = $true )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1188]) ).

thf(1307,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( memberP @ sk4 @ SV4 ) )
        = $true )
      | ( ( ~ ( geq @ SV4 @ sk5 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( sk5 = SV4 )
        = $true )
      | ( ( ssItem @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1189]) ).

thf(1308,plain,
    ! [SV64: $i,SV298: $i] :
      ( ( ( ssItem @ SV298 )
        = $true )
      | ( ( duplicatefreeP @ SV64 )
        = $true )
      | ( ( ssList @ SV64 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1192]) ).

thf(1309,plain,
    ! [SV71: $i] :
      ( ( ( ssList @ SV71 )
        = $false )
      | ( ( segmentP @ nil @ SV71 )
        = $true )
      | ( ( nil = SV71 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1197]) ).

thf(1310,plain,
    ! [SV72: $i] :
      ( ( ( ssList @ SV72 )
        = $false )
      | ( ( nil = SV72 )
        = $true )
      | ( ( segmentP @ nil @ SV72 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1198]) ).

thf(1311,plain,
    ! [SV73: $i] :
      ( ( ( ssList @ SV73 )
        = $false )
      | ( ( rearsegP @ nil @ SV73 )
        = $true )
      | ( ( nil = SV73 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1199]) ).

thf(1312,plain,
    ! [SV74: $i] :
      ( ( ( ssList @ SV74 )
        = $false )
      | ( ( nil = SV74 )
        = $true )
      | ( ( rearsegP @ nil @ SV74 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1200]) ).

thf(1313,plain,
    ! [SV75: $i] :
      ( ( ( ssList @ SV75 )
        = $false )
      | ( ( frontsegP @ nil @ SV75 )
        = $true )
      | ( ( nil = SV75 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1201]) ).

thf(1314,plain,
    ! [SV76: $i] :
      ( ( ( ssList @ SV76 )
        = $false )
      | ( ( nil = SV76 )
        = $true )
      | ( ( frontsegP @ nil @ SV76 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1202]) ).

thf(1315,plain,
    ! [SV77: $i,SV273: $i] :
      ( ( ( ~ ( ssList @ SV273 ) )
        = $true )
      | ( ( ssList @ ( app @ SV273 @ SV77 ) )
        = $true )
      | ( ( ssList @ SV77 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1203]) ).

thf(1316,plain,
    ! [SV78: $i,SV274: $i] :
      ( ( ( ~ ( ssList @ SV274 ) )
        = $true )
      | ( ( ssList @ ( cons @ SV78 @ SV274 ) )
        = $true )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1204]) ).

thf(1317,plain,
    ! [SV81: $i] :
      ( ( ( ssList @ SV81 )
        = $false )
      | ( ( equalelemsP @ SV81 )
        = $true )
      | ( ( ( skaf79 @ SV81 )
          = ( skaf78 @ SV81 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1207]) ).

thf(1318,plain,
    ! [SV82: $i] :
      ( ( ( ssList @ SV82 )
        = $false )
      | ( ( strictorderedP @ SV82 )
        = $true )
      | ( ( lt @ ( skaf69 @ SV82 ) @ ( skaf70 @ SV82 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1208]) ).

thf(1319,plain,
    ! [SV83: $i] :
      ( ( ( ssList @ SV83 )
        = $false )
      | ( ( totalorderedP @ SV83 )
        = $true )
      | ( ( leq @ ( skaf64 @ SV83 ) @ ( skaf65 @ SV83 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1209]) ).

thf(1320,plain,
    ! [SV84: $i] :
      ( ( ( ssList @ SV84 )
        = $false )
      | ( ( strictorderP @ SV84 )
        = $true )
      | ( ( lt @ ( skaf60 @ SV84 ) @ ( skaf59 @ SV84 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1210]) ).

thf(1321,plain,
    ! [SV85: $i] :
      ( ( ( ssList @ SV85 )
        = $false )
      | ( ( strictorderP @ SV85 )
        = $true )
      | ( ( lt @ ( skaf59 @ SV85 ) @ ( skaf60 @ SV85 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1211]) ).

thf(1322,plain,
    ! [SV86: $i] :
      ( ( ( ssList @ SV86 )
        = $false )
      | ( ( totalorderP @ SV86 )
        = $true )
      | ( ( leq @ ( skaf55 @ SV86 ) @ ( skaf54 @ SV86 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1212]) ).

thf(1323,plain,
    ! [SV87: $i] :
      ( ( ( ssList @ SV87 )
        = $false )
      | ( ( totalorderP @ SV87 )
        = $true )
      | ( ( leq @ ( skaf54 @ SV87 ) @ ( skaf55 @ SV87 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1213]) ).

thf(1324,plain,
    ! [SV88: $i,SV275: $i] :
      ( ( ( ~ ( ssList @ SV275 ) )
        = $true )
      | ( ( ( tl @ ( cons @ SV88 @ SV275 ) )
          = SV275 )
        = $true )
      | ( ( ssItem @ SV88 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1214]) ).

thf(1325,plain,
    ! [SV89: $i,SV276: $i] :
      ( ( ( ~ ( ssList @ SV276 ) )
        = $true )
      | ( ( ( hd @ ( cons @ SV89 @ SV276 ) )
          = SV89 )
        = $true )
      | ( ( ssItem @ SV89 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1215]) ).

thf(1326,plain,
    ! [SV184: $i,SV90: $i] :
      ( ( ( ~ ( ssItem @ SV90 ) )
        = $true )
      | ( ( ~ ( ssList @ SV184 ) )
        = $true )
      | ( ( ( cons @ SV90 @ SV184 )
          = nil )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1216]) ).

thf(1327,plain,
    ! [SV185: $i,SV91: $i] :
      ( ( ( ~ ( ssItem @ SV91 ) )
        = $true )
      | ( ( ~ ( ssList @ SV185 ) )
        = $true )
      | ( ( ( cons @ SV91 @ SV185 )
          = SV185 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1217]) ).

thf(1328,plain,
    ! [SV92: $i,SV277: $i] :
      ( ( ( ~ ( ssList @ SV277 ) )
        = $true )
      | ( ( ( SV277 = SV92 )
          | ( neq @ SV277 @ SV92 ) )
        = $true )
      | ( ( ssList @ SV92 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1218]) ).

thf(1329,plain,
    ! [SV93: $i] :
      ( ( ( ssList @ SV93 )
        = $false )
      | ( ( ( cons @ ( skaf44 @ SV93 ) @ nil )
          = SV93 )
        = $true )
      | ( ( singletonP @ SV93 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1219]) ).

thf(1330,plain,
    ! [SV94: $i,SV278: $i] :
      ( ( ( ~ ( ssItem @ SV278 ) )
        = $true )
      | ( ( ( SV278 = SV94 )
          | ( neq @ SV278 @ SV94 ) )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1220]) ).

thf(1331,plain,
    ! [SV95: $i,SV186: $i] :
      ( ( ( ~ ( ssItem @ SV186 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV95 )
          | ( leq @ SV95 @ SV186 ) )
        = $true )
      | ( ( lt @ SV95 @ SV186 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1221]) ).

thf(1332,plain,
    ! [SV97: $i,SV187: $i] :
      ( ( ( ~ ( ssItem @ SV187 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV97 )
          | ( lt @ SV187 @ SV97 ) )
        = $true )
      | ( ( gt @ SV97 @ SV187 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1223]) ).

thf(1333,plain,
    ! [SV188: $i,SV98: $i] :
      ( ( ( ~ ( ssItem @ SV98 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV188 )
          | ( gt @ SV188 @ SV98 ) )
        = $true )
      | ( ( lt @ SV98 @ SV188 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1224]) ).

thf(1334,plain,
    ! [SV99: $i,SV189: $i] :
      ( ( ( ~ ( ssItem @ SV189 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV99 )
          | ( leq @ SV189 @ SV99 ) )
        = $true )
      | ( ( geq @ SV99 @ SV189 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1225]) ).

thf(1335,plain,
    ! [SV190: $i,SV100: $i] :
      ( ( ( ~ ( ssItem @ SV100 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV190 )
          | ( geq @ SV190 @ SV100 ) )
        = $true )
      | ( ( leq @ SV100 @ SV190 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1226]) ).

thf(1336,plain,
    ! [SV102: $i,SV191: $i] :
      ( ( ( ~ ( gt @ SV191 @ SV102 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV102 )
          | ~ ( ssItem @ SV191 ) )
        = $true )
      | ( ( gt @ SV102 @ SV191 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1228]) ).

thf(1337,plain,
    ! [SV192: $i,SV103: $i] :
      ( ( ( ~ ( lt @ SV103 @ SV192 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV192 )
          | ~ ( ssItem @ SV103 ) )
        = $true )
      | ( ( SV103 = SV192 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1229]) ).

thf(1338,plain,
    ! [SV104: $i] :
      ( ( ( ssList @ SV104 )
        = $false )
      | ( ( ! [SY360: $i] :
              ( ~ ( ssItem @ SY360 )
              | ( strictorderedP @ ( cons @ SY360 @ SV104 ) ) ) )
        = $true )
      | ( ( nil = SV104 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1230]) ).

thf(1339,plain,
    ! [SV105: $i] :
      ( ( ( ssList @ SV105 )
        = $false )
      | ( ( ! [SY361: $i] :
              ( ~ ( ssItem @ SY361 )
              | ( totalorderedP @ ( cons @ SY361 @ SV105 ) ) ) )
        = $true )
      | ( ( nil = SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1231]) ).

thf(1340,plain,
    ! [SV106: $i,SV193: $i] :
      ( ( ( ~ ( lt @ SV193 @ SV106 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV106 )
          | ~ ( ssItem @ SV193 ) )
        = $true )
      | ( ( lt @ SV106 @ SV193 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1232]) ).

thf(1341,plain,
    ! [SV194: $i,SV107: $i] :
      ( ( ( ~ ( neq @ SV107 @ SV194 ) )
        = $true )
      | ( ( ~ ( ssList @ SV194 )
          | ~ ( ssList @ SV107 ) )
        = $true )
      | ( ( SV107 = SV194 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1233]) ).

thf(1342,plain,
    ! [SV195: $i,SV108: $i] :
      ( ( ( ~ ( ssItem @ SV108 ) )
        = $true )
      | ( ( ~ ( ssList @ SV195 )
          | ( singletonP @ SV195 ) )
        = $true )
      | ( ( ( cons @ SV108 @ nil )
          = SV195 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1234]) ).

thf(1343,plain,
    ! [SV196: $i,SV109: $i] :
      ( ( ( ~ ( neq @ SV109 @ SV196 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV196 )
          | ~ ( ssItem @ SV109 ) )
        = $true )
      | ( ( SV109 = SV196 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1235]) ).

thf(1344,plain,
    ! [SV110: $i,SV197: $i] :
      ( ( ( ~ ( ssList @ SV197 ) )
        = $true )
      | ( ( ~ ( ssList @ SV110 )
          | ( nil = SV110 ) )
        = $true )
      | ( ( ( app @ SV110 @ SV197 )
          = nil )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1236]) ).

thf(1345,plain,
    ! [SV111: $i,SV198: $i] :
      ( ( ( ~ ( ssList @ SV198 ) )
        = $true )
      | ( ( ~ ( ssList @ SV111 )
          | ( nil = SV198 ) )
        = $true )
      | ( ( ( app @ SV111 @ SV198 )
          = nil )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1237]) ).

thf(1346,plain,
    ! [SV112: $i,SV279: $i] :
      ( ( ( ~ ( ssList @ SV279 ) )
        = $true )
      | ( ( ( app @ ( cons @ SV112 @ nil ) @ SV279 )
          = ( cons @ SV112 @ SV279 ) )
        = $true )
      | ( ( ssItem @ SV112 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1238]) ).

thf(1347,plain,
    ! [SV113: $i,SV199: $i] :
      ( ( ( ~ ( ssItem @ SV199 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV113 )
          | ( SV113 = SV199 )
          | ( lt @ SV113 @ SV199 ) )
        = $true )
      | ( ( leq @ SV113 @ SV199 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1239]) ).

thf(1348,plain,
    ! [SV114: $i,SV200: $i] :
      ( ( ( ~ ( ssItem @ SV200 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV114 )
          | ( SV114 = SV200 )
          | ( lt @ SV114 @ SV200 ) )
        = $true )
      | ( ( leq @ SV114 @ SV200 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1240]) ).

thf(1349,plain,
    ! [SV115: $i,SV280: $i] :
      ( ( ( ~ ( ssList @ SV280 ) )
        = $true )
      | ( ( ( nil = SV280 )
          | ( ( hd @ ( app @ SV280 @ SV115 ) )
            = ( hd @ SV280 ) ) )
        = $true )
      | ( ( ssList @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1241]) ).

thf(1350,plain,
    ! [SV116: $i,SV201: $i] :
      ( ( ( ~ ( ssList @ SV201 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV116 )
          | ( nil = SV201 )
          | ( strictorderedP @ SV201 ) )
        = $true )
      | ( ( strictorderedP @ ( cons @ SV116 @ SV201 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1242]) ).

thf(1351,plain,
    ! [SV117: $i,SV202: $i] :
      ( ( ( ~ ( ssList @ SV202 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV117 )
          | ( nil = SV202 )
          | ( totalorderedP @ SV202 ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV117 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1243]) ).

thf(1352,plain,
    ! [SV118: $i,SV203: $i] :
      ( ( ( ~ ( geq @ SV203 @ SV118 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV118 )
          | ~ ( ssItem @ SV203 )
          | ( SV203 = SV118 ) )
        = $true )
      | ( ( geq @ SV118 @ SV203 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1244]) ).

thf(1353,plain,
    ! [SV119: $i,SV204: $i] :
      ( ( ( ~ ( segmentP @ SV204 @ SV119 ) )
        = $true )
      | ( ( ~ ( ssList @ SV119 )
          | ~ ( ssList @ SV204 )
          | ( SV204 = SV119 ) )
        = $true )
      | ( ( segmentP @ SV119 @ SV204 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1245]) ).

thf(1354,plain,
    ! [SV120: $i,SV205: $i] :
      ( ( ( ~ ( rearsegP @ SV205 @ SV120 ) )
        = $true )
      | ( ( ~ ( ssList @ SV120 )
          | ~ ( ssList @ SV205 )
          | ( SV205 = SV120 ) )
        = $true )
      | ( ( rearsegP @ SV120 @ SV205 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1246]) ).

thf(1355,plain,
    ! [SV121: $i,SV206: $i] :
      ( ( ( ~ ( frontsegP @ SV206 @ SV121 ) )
        = $true )
      | ( ( ~ ( ssList @ SV121 )
          | ~ ( ssList @ SV206 )
          | ( SV206 = SV121 ) )
        = $true )
      | ( ( frontsegP @ SV121 @ SV206 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1247]) ).

thf(1356,plain,
    ! [SV122: $i,SV207: $i] :
      ( ( ( ~ ( leq @ SV207 @ SV122 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV122 )
          | ~ ( ssItem @ SV207 )
          | ( SV207 = SV122 ) )
        = $true )
      | ( ( leq @ SV122 @ SV207 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1248]) ).

thf(1357,plain,
    ! [SV123: $i,SV208: $i] :
      ( ( ( ~ ( ssList @ SV208 ) )
        = $true )
      | ( ( ~ ( ssList @ SV123 )
          | ( ( app @ ( skaf46 @ SV123 @ SV208 ) @ SV208 )
            = SV123 ) )
        = $true )
      | ( ( rearsegP @ SV123 @ SV208 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1249]) ).

thf(1358,plain,
    ! [SV124: $i,SV209: $i] :
      ( ( ( ~ ( ssList @ SV209 ) )
        = $true )
      | ( ( ~ ( ssList @ SV124 )
          | ( ( app @ SV209 @ ( skaf45 @ SV124 @ SV209 ) )
            = SV124 ) )
        = $true )
      | ( ( frontsegP @ SV124 @ SV209 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1250]) ).

thf(1359,plain,
    ! [SV125: $i,SV281: $i] :
      ( ( ( ~ ( ssList @ SV281 ) )
        = $true )
      | ( ( ( nil = SV281 )
          | ( ( tl @ ( app @ SV281 @ SV125 ) )
            = ( app @ ( tl @ SV281 ) @ SV125 ) ) )
        = $true )
      | ( ( ssList @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1251]) ).

thf(1360,plain,
    ! [SV126: $i,SV210: $i] :
      ( ( ( ~ ( ssList @ SV210 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV126 )
          | ( nil = SV210 )
          | ( lt @ SV126 @ ( hd @ SV210 ) ) )
        = $true )
      | ( ( strictorderedP @ ( cons @ SV126 @ SV210 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1252]) ).

thf(1361,plain,
    ! [SV127: $i,SV211: $i] :
      ( ( ( ~ ( ssList @ SV211 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV127 )
          | ( nil = SV211 )
          | ( leq @ SV127 @ ( hd @ SV211 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV127 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1253]) ).

thf(1362,plain,
    ! [SV128: $i,SV212: $i,SV299: $i] :
      ( ( ( ~ ( ssList @ SV299 )
          | ~ ( ssList @ SV212 )
          | ~ ( ssList @ SV128 )
          | ( rearsegP @ ( app @ SV299 @ SV128 ) @ SV212 ) )
        = $true )
      | ( ( rearsegP @ SV128 @ SV212 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1254]) ).

thf(1363,plain,
    ! [SV129: $i,SV213: $i,SV300: $i] :
      ( ( ( ~ ( ssList @ SV300 )
          | ~ ( ssList @ SV213 )
          | ~ ( ssList @ SV129 )
          | ( frontsegP @ ( app @ SV129 @ SV300 ) @ SV213 ) )
        = $true )
      | ( ( frontsegP @ SV129 @ SV213 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1255]) ).

thf(1364,plain,
    ! [SV130: $i,SV214: $i,SV301: $i] :
      ( ( ( ~ ( ssList @ SV301 )
          | ~ ( ssItem @ SV214 )
          | ~ ( ssItem @ SV130 )
          | ( memberP @ ( cons @ SV214 @ SV301 ) @ SV130 ) )
        = $true )
      | ( ( SV130 = SV214 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1256]) ).

thf(1365,plain,
    ! [SV215: $i,SV131: $i] :
      ( ( ( ~ ( ssList @ SV131 ) )
        = $true )
      | ( ( ! [SY494: $i] :
              ( ~ ( ssItem @ SY494 )
              | ~ ( ssItem @ SV215 )
              | ( memberP @ ( cons @ SY494 @ SV131 ) @ SV215 ) ) )
        = $true )
      | ( ( memberP @ SV131 @ SV215 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1257]) ).

thf(1366,plain,
    ! [SV216: $i,SV132: $i,SV302: $i] :
      ( ( ( ~ ( ssList @ SV302 )
          | ~ ( ssList @ SV132 )
          | ~ ( ssItem @ SV216 )
          | ( memberP @ ( app @ SV132 @ SV302 ) @ SV216 ) )
        = $true )
      | ( ( memberP @ SV132 @ SV216 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1258]) ).

thf(1367,plain,
    ! [SV217: $i,SV133: $i] :
      ( ( ( ~ ( ssList @ SV133 ) )
        = $true )
      | ( ( ! [SY496: $i] :
              ( ~ ( ssList @ SY496 )
              | ~ ( ssItem @ SV217 )
              | ( memberP @ ( app @ SY496 @ SV133 ) @ SV217 ) ) )
        = $true )
      | ( ( memberP @ SV133 @ SV217 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1259]) ).

thf(1368,plain,
    ! [SV252: $i,SV218: $i,SV135: $i] :
      ( ( ( ( app @ SV135 @ SV218 )
          = SV252 )
        = $false )
      | ( ( ~ ( ssList @ SV135 )
          | ~ ( ssList @ SV218 )
          | ~ ( ssList @ SV252 )
          | ( rearsegP @ SV252 @ SV218 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1261]) ).

thf(1369,plain,
    ! [SV253: $i,SV219: $i,SV136: $i] :
      ( ( ( ( app @ SV136 @ SV219 )
          = SV253 )
        = $false )
      | ( ( ~ ( ssList @ SV219 )
          | ~ ( ssList @ SV136 )
          | ~ ( ssList @ SV253 )
          | ( frontsegP @ SV253 @ SV136 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1262]) ).

thf(1370,plain,
    ! [SV137: $i,SV282: $i] :
      ( ( ( nil != SV282 )
        = $true )
      | ( ( ~ ( ssList @ SV282 )
          | ~ ( ssList @ SV137 )
          | ( ( app @ SV137 @ SV282 )
            = nil ) )
        = $true )
      | ( ( nil = SV137 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1263]) ).

thf(1371,plain,
    ! [SV138: $i,SV303: $i,SV220: $i] :
      ( ( ( ~ ( gt @ SV220 @ SV303 )
          | ~ ( ssItem @ SV303 )
          | ~ ( ssItem @ SV220 )
          | ~ ( ssItem @ SV138 )
          | ( gt @ SV138 @ SV303 ) )
        = $true )
      | ( ( gt @ SV138 @ SV220 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1264]) ).

thf(1372,plain,
    ! [SV139: $i,SV304: $i,SV221: $i] :
      ( ( ( ~ ( lt @ SV221 @ SV304 )
          | ~ ( ssItem @ SV304 )
          | ~ ( ssItem @ SV221 )
          | ~ ( ssItem @ SV139 )
          | ( lt @ SV139 @ SV304 ) )
        = $true )
      | ( ( leq @ SV139 @ SV221 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1265]) ).

thf(1373,plain,
    ! [SV140: $i,SV305: $i,SV222: $i] :
      ( ( ( ~ ( geq @ SV222 @ SV305 )
          | ~ ( ssItem @ SV305 )
          | ~ ( ssItem @ SV222 )
          | ~ ( ssItem @ SV140 )
          | ( geq @ SV140 @ SV305 ) )
        = $true )
      | ( ( geq @ SV140 @ SV222 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1266]) ).

thf(1374,plain,
    ! [SV141: $i,SV283: $i] :
      ( ( ( ~ ( ssList @ SV283 ) )
        = $true )
      | ( ( ! [SY580: $i] :
              ( ~ ( ssList @ SY580 )
              | ( ( app @ ( app @ SY580 @ SV283 ) @ SV141 )
                = ( app @ SY580 @ ( app @ SV283 @ SV141 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV141 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1267]) ).

thf(1375,plain,
    ! [SV254: $i,SV223: $i,SV142: $i] :
      ( ( ( ( app @ SV142 @ SV223 )
          = ( app @ SV142 @ SV254 ) )
        = $false )
      | ( ( ~ ( ssList @ SV223 )
          | ~ ( ssList @ SV142 )
          | ~ ( ssList @ SV254 )
          | ( SV223 = SV254 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1268]) ).

thf(1376,plain,
    ! [SV255: $i,SV224: $i,SV143: $i] :
      ( ( ( ( app @ SV143 @ SV224 )
          = ( app @ SV255 @ SV224 ) )
        = $false )
      | ( ( ~ ( ssList @ SV143 )
          | ~ ( ssList @ SV224 )
          | ~ ( ssList @ SV255 )
          | ( SV143 = SV255 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1269]) ).

thf(1377,plain,
    ! [SV144: $i,SV306: $i,SV225: $i] :
      ( ( ( ~ ( segmentP @ SV225 @ SV306 )
          | ~ ( ssList @ SV306 )
          | ~ ( ssList @ SV225 )
          | ~ ( ssList @ SV144 )
          | ( segmentP @ SV144 @ SV306 ) )
        = $true )
      | ( ( segmentP @ SV144 @ SV225 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1270]) ).

thf(1378,plain,
    ! [SV145: $i,SV307: $i,SV226: $i] :
      ( ( ( ~ ( rearsegP @ SV226 @ SV307 )
          | ~ ( ssList @ SV307 )
          | ~ ( ssList @ SV226 )
          | ~ ( ssList @ SV145 )
          | ( rearsegP @ SV145 @ SV307 ) )
        = $true )
      | ( ( rearsegP @ SV145 @ SV226 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1271]) ).

thf(1379,plain,
    ! [SV146: $i,SV308: $i,SV227: $i] :
      ( ( ( ~ ( frontsegP @ SV227 @ SV308 )
          | ~ ( ssList @ SV308 )
          | ~ ( ssList @ SV227 )
          | ~ ( ssList @ SV146 )
          | ( frontsegP @ SV146 @ SV308 ) )
        = $true )
      | ( ( frontsegP @ SV146 @ SV227 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1272]) ).

thf(1380,plain,
    ! [SV147: $i,SV309: $i,SV228: $i] :
      ( ( ( ~ ( lt @ SV228 @ SV309 )
          | ~ ( ssItem @ SV309 )
          | ~ ( ssItem @ SV228 )
          | ~ ( ssItem @ SV147 )
          | ( lt @ SV147 @ SV309 ) )
        = $true )
      | ( ( lt @ SV147 @ SV228 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1273]) ).

thf(1381,plain,
    ! [SV148: $i,SV310: $i,SV229: $i] :
      ( ( ( ~ ( leq @ SV229 @ SV310 )
          | ~ ( ssItem @ SV310 )
          | ~ ( ssItem @ SV229 )
          | ~ ( ssItem @ SV148 )
          | ( leq @ SV148 @ SV310 ) )
        = $true )
      | ( ( leq @ SV148 @ SV229 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1274]) ).

thf(1382,plain,
    ! [SV149: $i,SV284: $i] :
      ( ( ( ~ ( ssList @ SV284 ) )
        = $true )
      | ( ( ! [SY581: $i] :
              ( ~ ( ssList @ SY581 )
              | ( ( cons @ SV149 @ ( app @ SV284 @ SY581 ) )
                = ( app @ ( cons @ SV149 @ SV284 ) @ SY581 ) ) ) )
        = $true )
      | ( ( ssItem @ SV149 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1275]) ).

thf(1383,plain,
    ! [SV256: $i,SV230: $i,SV150: $i] :
      ( ( ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 )
        = $false )
      | ( ( ~ ( ssList @ SV230 )
          | ~ ( ssList @ SV150 )
          | ~ ( ssItem @ SV256 )
          | ( memberP @ SV230 @ SV256 )
          | ( memberP @ SV150 @ SV256 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1276]) ).

thf(1384,plain,
    ! [SV151: $i,SV231: $i] :
      ( ( ( ~ ( totalorderedP @ SV231 ) )
        = $true )
      | ( ( ~ ( ssList @ SV231 )
          | ~ ( ssItem @ SV151 )
          | ( nil = SV231 )
          | ( totalorderedP @ ( cons @ SV151 @ SV231 ) ) )
        = $true )
      | ( ( leq @ SV151 @ ( hd @ SV231 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1277]) ).

thf(1385,plain,
    ! [SV152: $i,SV232: $i] :
      ( ( ( ~ ( strictorderedP @ SV232 ) )
        = $true )
      | ( ( ~ ( ssList @ SV232 )
          | ~ ( ssItem @ SV152 )
          | ( nil = SV232 )
          | ( strictorderedP @ ( cons @ SV152 @ SV232 ) ) )
        = $true )
      | ( ( lt @ SV152 @ ( hd @ SV232 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1278]) ).

thf(1386,plain,
    ! [SV257: $i,SV233: $i,SV153: $i] :
      ( ( ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 )
        = $false )
      | ( ( ~ ( ssList @ SV233 )
          | ~ ( ssItem @ SV153 )
          | ~ ( ssItem @ SV257 )
          | ( SV257 = SV153 )
          | ( memberP @ SV233 @ SV257 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1279]) ).

thf(1387,plain,
    ! [SV160: $i,SV234: $i] :
      ( ( ( ~ ( ssList @ SV234 ) )
        = $true )
      | ( ( ~ ( ssList @ SV160 )
          | ( ( app @ ( app @ ( skaf47 @ SV160 @ SV234 ) @ SV234 ) @ ( skaf48 @ SV234 @ SV160 ) )
            = SV160 ) )
        = $true )
      | ( ( segmentP @ SV160 @ SV234 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1286]) ).

thf(1388,plain,
    ! [SV161: $i,SV235: $i] :
      ( ( ( ~ ( ssItem @ SV235 ) )
        = $true )
      | ( ( ~ ( ssList @ SV161 )
          | ( ( app @ ( skaf42 @ SV161 @ SV235 ) @ ( cons @ SV235 @ ( skaf43 @ SV235 @ SV161 ) ) )
            = SV161 ) )
        = $true )
      | ( ( memberP @ SV161 @ SV235 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1287]) ).

thf(1389,plain,
    ! [SV285: $i,SV258: $i,SV236: $i,SV162: $i] :
      ( ( ( ( cons @ SV162 @ SV236 )
         != ( cons @ SV258 @ SV285 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV258 )
          | ~ ( ssItem @ SV162 )
          | ~ ( ssList @ SV285 )
          | ~ ( ssList @ SV236 )
          | ( SV162 = SV258 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1288]) ).

thf(1390,plain,
    ! [SV286: $i,SV259: $i,SV237: $i,SV163: $i] :
      ( ( ( ( cons @ SV163 @ SV237 )
         != ( cons @ SV259 @ SV286 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV259 )
          | ~ ( ssItem @ SV163 )
          | ~ ( ssList @ SV286 )
          | ~ ( ssList @ SV237 )
          | ( SV286 = SV237 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1289]) ).

thf(1391,plain,
    ! [SV164: $i,SV238: $i,SV311: $i] :
      ( ( ( ~ ( ssList @ SV311 )
          | ! [SY594: $i] :
              ( ~ ( ssList @ SY594 )
              | ~ ( ssList @ SV238 )
              | ~ ( ssList @ SV164 )
              | ( segmentP @ ( app @ ( app @ SY594 @ SV164 ) @ SV311 ) @ SV238 ) ) )
        = $true )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1290]) ).

thf(1392,plain,
    ! [SV287: $i,SV260: $i,SV239: $i,SV165: $i] :
      ( ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
         != SV287 )
        = $true )
      | ( ( ~ ( ssList @ SV260 )
          | ~ ( ssList @ SV165 )
          | ~ ( ssList @ SV239 )
          | ~ ( ssList @ SV287 )
          | ( segmentP @ SV287 @ SV239 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1291]) ).

thf(1393,plain,
    ! [SV288: $i,SV261: $i,SV240: $i,SV166: $i] :
      ( ( ( ~ ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV288 )
          | ~ ( ssList @ SV240 )
          | ~ ( ssItem @ SV261 )
          | ~ ( ssItem @ SV166 )
          | ( frontsegP @ SV240 @ SV288 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1292]) ).

thf(1394,plain,
    ! [SV289: $i,SV262: $i,SV241: $i,SV167: $i] :
      ( ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
         != SV289 )
        = $true )
      | ( ( ~ ( ssList @ SV262 )
          | ~ ( ssList @ SV167 )
          | ~ ( ssItem @ SV241 )
          | ~ ( ssList @ SV289 )
          | ( memberP @ SV289 @ SV241 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1293]) ).

thf(1395,plain,
    ! [SV290: $i,SV263: $i,SV242: $i,SV168: $i] :
      ( ( ( ~ ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) ) )
        = $true )
      | ( ( ~ ( ssList @ SV290 )
          | ~ ( ssList @ SV242 )
          | ~ ( ssItem @ SV263 )
          | ~ ( ssItem @ SV168 )
          | ( SV168 = SV263 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1294]) ).

thf(1396,plain,
    ! [SV243: $i,SV169: $i] :
      ( ( ( ( hd @ SV169 )
         != ( hd @ SV243 ) )
        = $true )
      | ( ( ~ ( ssList @ SV169 )
          | ~ ( ssList @ SV243 )
          | ( nil = SV243 )
          | ( SV169 = SV243 )
          | ( nil = SV169 ) )
        = $true )
      | ( ( ( tl @ SV169 )
          = ( tl @ SV243 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1295]) ).

thf(1397,plain,
    ! [SV170: $i,SV244: $i,SV312: $i] :
      ( ( ( ! [SY595: $i] :
              ( ( SV312 != SY595 )
              | ~ ( ssList @ SV244 )
              | ~ ( ssList @ SV170 )
              | ~ ( ssItem @ SY595 )
              | ~ ( ssItem @ SV312 )
              | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SY595 @ SV244 ) ) ) )
        = $true )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1296]) ).

thf(1398,plain,
    ! [SV313: $i,SV291: $i,SV264: $i,SV245: $i,SV171: $i] :
      ( ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
         != SV313 )
        | ~ ( ssList @ SV291 )
        | ~ ( ssList @ SV264 )
        | ~ ( ssList @ SV171 )
        | ~ ( ssItem @ SV245 )
        | ~ ( duplicatefreeP @ SV313 )
        | ~ ( ssList @ SV313 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1297]) ).

thf(1399,plain,
    ! [SV314: $i,SV292: $i,SV265: $i,SV246: $i,SV172: $i] :
      ( ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
         != SV314 )
        | ~ ( ssList @ SV292 )
        | ~ ( ssList @ SV172 )
        | ~ ( ssItem @ SV265 )
        | ~ ( ssItem @ SV246 )
        | ~ ( equalelemsP @ SV314 )
        | ~ ( ssList @ SV314 )
        | ( SV246 = SV265 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1298]) ).

thf(1400,plain,
    ! [SV315: $i,SV293: $i,SV266: $i,SV247: $i,SV173: $i] :
      ( ( ! [SY596: $i] :
            ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
             != SY596 )
            | ~ ( ssList @ SV315 )
            | ~ ( ssList @ SV266 )
            | ~ ( ssList @ SV173 )
            | ~ ( ssItem @ SV293 )
            | ~ ( ssItem @ SV247 )
            | ~ ( strictorderedP @ SY596 )
            | ~ ( ssList @ SY596 )
            | ( lt @ SV247 @ SV293 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1299]) ).

thf(1401,plain,
    ! [SV316: $i,SV294: $i,SV267: $i,SV248: $i,SV174: $i] :
      ( ( ! [SY597: $i] :
            ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
             != SY597 )
            | ~ ( ssList @ SV316 )
            | ~ ( ssList @ SV267 )
            | ~ ( ssList @ SV174 )
            | ~ ( ssItem @ SV294 )
            | ~ ( ssItem @ SV248 )
            | ~ ( totalorderedP @ SY597 )
            | ~ ( ssList @ SY597 )
            | ( leq @ SV248 @ SV294 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1300]) ).

thf(1402,plain,
    ! [SV317: $i,SV295: $i,SV268: $i,SV249: $i,SV175: $i] :
      ( ( ! [SY598: $i] :
            ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
             != SY598 )
            | ~ ( ssList @ SV317 )
            | ~ ( ssList @ SV268 )
            | ~ ( ssList @ SV175 )
            | ~ ( ssItem @ SV295 )
            | ~ ( ssItem @ SV249 )
            | ~ ( strictorderP @ SY598 )
            | ~ ( ssList @ SY598 )
            | ( lt @ SV249 @ SV295 )
            | ( lt @ SV295 @ SV249 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1301]) ).

thf(1403,plain,
    ! [SV318: $i,SV296: $i,SV269: $i,SV250: $i,SV176: $i] :
      ( ( ! [SY599: $i] :
            ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
             != SY599 )
            | ~ ( ssList @ SV318 )
            | ~ ( ssList @ SV269 )
            | ~ ( ssList @ SV176 )
            | ~ ( ssItem @ SV296 )
            | ~ ( ssItem @ SV250 )
            | ~ ( totalorderP @ SY599 )
            | ~ ( ssList @ SY599 )
            | ( leq @ SV250 @ SV296 )
            | ( leq @ SV296 @ SV250 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1302]) ).

thf(1404,plain,
    ! [SV297: $i,SV270: $i,SV251: $i,SV177: $i] :
      ( ( ( ~ ( leq @ SV177 @ SV251 ) )
        = $true )
      | ( ( ~ ( leq @ SV251 @ SV177 )
          | ! [SY592: $i,SY593: $i] :
              ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SY592 ) )
               != SY593 )
              | ~ ( ssList @ SY592 )
              | ~ ( ssList @ SV297 )
              | ~ ( ssList @ SV270 )
              | ~ ( ssItem @ SV251 )
              | ~ ( ssItem @ SV177 )
              | ~ ( cyclefreeP @ SY593 )
              | ~ ( ssList @ SY593 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1303]) ).

thf(1405,plain,
    ! [SV1: $i,SV271: $i] :
      ( ( ( ssList @ SV271 )
        = $false )
      | ( ( ! [SY578: $i] :
              ( ~ ( ssList @ SY578 )
              | ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SY578 )
               != sk2 )
              | ( ( app @ SV271 @ SY578 )
               != sk1 )
              | ( neq @ sk2 @ nil ) ) )
        = $true )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1304]) ).

thf(1406,plain,
    ! [SV2: $i] :
      ( ( ( memberP @ sk4 @ SV2 )
        = $false )
      | ( ( ~ ( geq @ SV2 @ sk5 )
          | ( neq @ sk2 @ nil ) )
        = $true )
      | ( ( sk5 = SV2 )
        = $true )
      | ( ( ssItem @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1305]) ).

thf(1407,plain,
    ! [SV3: $i,SV272: $i] :
      ( ( ( ssList @ SV272 )
        = $false )
      | ( ( ! [SY579: $i] :
              ( ~ ( ssList @ SY579 )
              | ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SY579 )
               != sk2 )
              | ( ( app @ SV272 @ SY579 )
               != sk1 )
              | ~ ( neq @ sk4 @ nil ) ) )
        = $true )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1306]) ).

thf(1408,plain,
    ! [SV4: $i] :
      ( ( ( memberP @ sk4 @ SV4 )
        = $false )
      | ( ( ~ ( geq @ SV4 @ sk5 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( sk5 = SV4 )
        = $true )
      | ( ( ssItem @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1307]) ).

thf(1409,plain,
    ! [SV77: $i,SV273: $i] :
      ( ( ( ssList @ SV273 )
        = $false )
      | ( ( ssList @ ( app @ SV273 @ SV77 ) )
        = $true )
      | ( ( ssList @ SV77 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1315]) ).

thf(1410,plain,
    ! [SV78: $i,SV274: $i] :
      ( ( ( ssList @ SV274 )
        = $false )
      | ( ( ssList @ ( cons @ SV78 @ SV274 ) )
        = $true )
      | ( ( ssItem @ SV78 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1316]) ).

thf(1411,plain,
    ! [SV88: $i,SV275: $i] :
      ( ( ( ssList @ SV275 )
        = $false )
      | ( ( ( tl @ ( cons @ SV88 @ SV275 ) )
          = SV275 )
        = $true )
      | ( ( ssItem @ SV88 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1324]) ).

thf(1412,plain,
    ! [SV89: $i,SV276: $i] :
      ( ( ( ssList @ SV276 )
        = $false )
      | ( ( ( hd @ ( cons @ SV89 @ SV276 ) )
          = SV89 )
        = $true )
      | ( ( ssItem @ SV89 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1325]) ).

thf(1413,plain,
    ! [SV184: $i,SV90: $i] :
      ( ( ( ssItem @ SV90 )
        = $false )
      | ( ( ~ ( ssList @ SV184 ) )
        = $true )
      | ( ( ( cons @ SV90 @ SV184 )
          = nil )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1326]) ).

thf(1414,plain,
    ! [SV185: $i,SV91: $i] :
      ( ( ( ssItem @ SV91 )
        = $false )
      | ( ( ~ ( ssList @ SV185 ) )
        = $true )
      | ( ( ( cons @ SV91 @ SV185 )
          = SV185 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1327]) ).

thf(1415,plain,
    ! [SV92: $i,SV277: $i] :
      ( ( ( ssList @ SV277 )
        = $false )
      | ( ( ( SV277 = SV92 )
          | ( neq @ SV277 @ SV92 ) )
        = $true )
      | ( ( ssList @ SV92 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1328]) ).

thf(1416,plain,
    ! [SV94: $i,SV278: $i] :
      ( ( ( ssItem @ SV278 )
        = $false )
      | ( ( ( SV278 = SV94 )
          | ( neq @ SV278 @ SV94 ) )
        = $true )
      | ( ( ssItem @ SV94 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1330]) ).

thf(1417,plain,
    ! [SV95: $i,SV186: $i] :
      ( ( ( ssItem @ SV186 )
        = $false )
      | ( ( ~ ( ssItem @ SV95 )
          | ( leq @ SV95 @ SV186 ) )
        = $true )
      | ( ( lt @ SV95 @ SV186 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1331]) ).

thf(1418,plain,
    ! [SV97: $i,SV187: $i] :
      ( ( ( ssItem @ SV187 )
        = $false )
      | ( ( ~ ( ssItem @ SV97 )
          | ( lt @ SV187 @ SV97 ) )
        = $true )
      | ( ( gt @ SV97 @ SV187 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1332]) ).

thf(1419,plain,
    ! [SV188: $i,SV98: $i] :
      ( ( ( ssItem @ SV98 )
        = $false )
      | ( ( ~ ( ssItem @ SV188 )
          | ( gt @ SV188 @ SV98 ) )
        = $true )
      | ( ( lt @ SV98 @ SV188 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1333]) ).

thf(1420,plain,
    ! [SV99: $i,SV189: $i] :
      ( ( ( ssItem @ SV189 )
        = $false )
      | ( ( ~ ( ssItem @ SV99 )
          | ( leq @ SV189 @ SV99 ) )
        = $true )
      | ( ( geq @ SV99 @ SV189 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1334]) ).

thf(1421,plain,
    ! [SV190: $i,SV100: $i] :
      ( ( ( ssItem @ SV100 )
        = $false )
      | ( ( ~ ( ssItem @ SV190 )
          | ( geq @ SV190 @ SV100 ) )
        = $true )
      | ( ( leq @ SV100 @ SV190 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1335]) ).

thf(1422,plain,
    ! [SV102: $i,SV191: $i] :
      ( ( ( gt @ SV191 @ SV102 )
        = $false )
      | ( ( ~ ( ssItem @ SV102 )
          | ~ ( ssItem @ SV191 ) )
        = $true )
      | ( ( gt @ SV102 @ SV191 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1336]) ).

thf(1423,plain,
    ! [SV192: $i,SV103: $i] :
      ( ( ( lt @ SV103 @ SV192 )
        = $false )
      | ( ( ~ ( ssItem @ SV192 )
          | ~ ( ssItem @ SV103 ) )
        = $true )
      | ( ( SV103 = SV192 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1337]) ).

thf(1424,plain,
    ! [SV104: $i,SV319: $i] :
      ( ( ( ~ ( ssItem @ SV319 )
          | ( strictorderedP @ ( cons @ SV319 @ SV104 ) ) )
        = $true )
      | ( ( ssList @ SV104 )
        = $false )
      | ( ( nil = SV104 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1338]) ).

thf(1425,plain,
    ! [SV105: $i,SV320: $i] :
      ( ( ( ~ ( ssItem @ SV320 )
          | ( totalorderedP @ ( cons @ SV320 @ SV105 ) ) )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( nil = SV105 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1339]) ).

thf(1426,plain,
    ! [SV106: $i,SV193: $i] :
      ( ( ( lt @ SV193 @ SV106 )
        = $false )
      | ( ( ~ ( ssItem @ SV106 )
          | ~ ( ssItem @ SV193 ) )
        = $true )
      | ( ( lt @ SV106 @ SV193 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1340]) ).

thf(1427,plain,
    ! [SV194: $i,SV107: $i] :
      ( ( ( neq @ SV107 @ SV194 )
        = $false )
      | ( ( ~ ( ssList @ SV194 )
          | ~ ( ssList @ SV107 ) )
        = $true )
      | ( ( SV107 = SV194 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1341]) ).

thf(1428,plain,
    ! [SV195: $i,SV108: $i] :
      ( ( ( ssItem @ SV108 )
        = $false )
      | ( ( ~ ( ssList @ SV195 )
          | ( singletonP @ SV195 ) )
        = $true )
      | ( ( ( cons @ SV108 @ nil )
          = SV195 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1342]) ).

thf(1429,plain,
    ! [SV196: $i,SV109: $i] :
      ( ( ( neq @ SV109 @ SV196 )
        = $false )
      | ( ( ~ ( ssItem @ SV196 )
          | ~ ( ssItem @ SV109 ) )
        = $true )
      | ( ( SV109 = SV196 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1343]) ).

thf(1430,plain,
    ! [SV110: $i,SV197: $i] :
      ( ( ( ssList @ SV197 )
        = $false )
      | ( ( ~ ( ssList @ SV110 )
          | ( nil = SV110 ) )
        = $true )
      | ( ( ( app @ SV110 @ SV197 )
          = nil )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1344]) ).

thf(1431,plain,
    ! [SV111: $i,SV198: $i] :
      ( ( ( ssList @ SV198 )
        = $false )
      | ( ( ~ ( ssList @ SV111 )
          | ( nil = SV198 ) )
        = $true )
      | ( ( ( app @ SV111 @ SV198 )
          = nil )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1345]) ).

thf(1432,plain,
    ! [SV112: $i,SV279: $i] :
      ( ( ( ssList @ SV279 )
        = $false )
      | ( ( ( app @ ( cons @ SV112 @ nil ) @ SV279 )
          = ( cons @ SV112 @ SV279 ) )
        = $true )
      | ( ( ssItem @ SV112 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1346]) ).

thf(1433,plain,
    ! [SV113: $i,SV199: $i] :
      ( ( ( ssItem @ SV199 )
        = $false )
      | ( ( ~ ( ssItem @ SV113 )
          | ( SV113 = SV199 )
          | ( lt @ SV113 @ SV199 ) )
        = $true )
      | ( ( leq @ SV113 @ SV199 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1347]) ).

thf(1434,plain,
    ! [SV114: $i,SV200: $i] :
      ( ( ( ssItem @ SV200 )
        = $false )
      | ( ( ~ ( ssItem @ SV114 )
          | ( SV114 = SV200 )
          | ( lt @ SV114 @ SV200 ) )
        = $true )
      | ( ( leq @ SV114 @ SV200 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1348]) ).

thf(1435,plain,
    ! [SV115: $i,SV280: $i] :
      ( ( ( ssList @ SV280 )
        = $false )
      | ( ( ( nil = SV280 )
          | ( ( hd @ ( app @ SV280 @ SV115 ) )
            = ( hd @ SV280 ) ) )
        = $true )
      | ( ( ssList @ SV115 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1349]) ).

thf(1436,plain,
    ! [SV116: $i,SV201: $i] :
      ( ( ( ssList @ SV201 )
        = $false )
      | ( ( ~ ( ssItem @ SV116 )
          | ( nil = SV201 )
          | ( strictorderedP @ SV201 ) )
        = $true )
      | ( ( strictorderedP @ ( cons @ SV116 @ SV201 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1350]) ).

thf(1437,plain,
    ! [SV117: $i,SV202: $i] :
      ( ( ( ssList @ SV202 )
        = $false )
      | ( ( ~ ( ssItem @ SV117 )
          | ( nil = SV202 )
          | ( totalorderedP @ SV202 ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV117 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1351]) ).

thf(1438,plain,
    ! [SV118: $i,SV203: $i] :
      ( ( ( geq @ SV203 @ SV118 )
        = $false )
      | ( ( ~ ( ssItem @ SV118 )
          | ~ ( ssItem @ SV203 )
          | ( SV203 = SV118 ) )
        = $true )
      | ( ( geq @ SV118 @ SV203 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1352]) ).

thf(1439,plain,
    ! [SV119: $i,SV204: $i] :
      ( ( ( segmentP @ SV204 @ SV119 )
        = $false )
      | ( ( ~ ( ssList @ SV119 )
          | ~ ( ssList @ SV204 )
          | ( SV204 = SV119 ) )
        = $true )
      | ( ( segmentP @ SV119 @ SV204 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1353]) ).

thf(1440,plain,
    ! [SV120: $i,SV205: $i] :
      ( ( ( rearsegP @ SV205 @ SV120 )
        = $false )
      | ( ( ~ ( ssList @ SV120 )
          | ~ ( ssList @ SV205 )
          | ( SV205 = SV120 ) )
        = $true )
      | ( ( rearsegP @ SV120 @ SV205 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1354]) ).

thf(1441,plain,
    ! [SV121: $i,SV206: $i] :
      ( ( ( frontsegP @ SV206 @ SV121 )
        = $false )
      | ( ( ~ ( ssList @ SV121 )
          | ~ ( ssList @ SV206 )
          | ( SV206 = SV121 ) )
        = $true )
      | ( ( frontsegP @ SV121 @ SV206 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1355]) ).

thf(1442,plain,
    ! [SV122: $i,SV207: $i] :
      ( ( ( leq @ SV207 @ SV122 )
        = $false )
      | ( ( ~ ( ssItem @ SV122 )
          | ~ ( ssItem @ SV207 )
          | ( SV207 = SV122 ) )
        = $true )
      | ( ( leq @ SV122 @ SV207 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1356]) ).

thf(1443,plain,
    ! [SV123: $i,SV208: $i] :
      ( ( ( ssList @ SV208 )
        = $false )
      | ( ( ~ ( ssList @ SV123 )
          | ( ( app @ ( skaf46 @ SV123 @ SV208 ) @ SV208 )
            = SV123 ) )
        = $true )
      | ( ( rearsegP @ SV123 @ SV208 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1357]) ).

thf(1444,plain,
    ! [SV124: $i,SV209: $i] :
      ( ( ( ssList @ SV209 )
        = $false )
      | ( ( ~ ( ssList @ SV124 )
          | ( ( app @ SV209 @ ( skaf45 @ SV124 @ SV209 ) )
            = SV124 ) )
        = $true )
      | ( ( frontsegP @ SV124 @ SV209 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1358]) ).

thf(1445,plain,
    ! [SV125: $i,SV281: $i] :
      ( ( ( ssList @ SV281 )
        = $false )
      | ( ( ( nil = SV281 )
          | ( ( tl @ ( app @ SV281 @ SV125 ) )
            = ( app @ ( tl @ SV281 ) @ SV125 ) ) )
        = $true )
      | ( ( ssList @ SV125 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1359]) ).

thf(1446,plain,
    ! [SV126: $i,SV210: $i] :
      ( ( ( ssList @ SV210 )
        = $false )
      | ( ( ~ ( ssItem @ SV126 )
          | ( nil = SV210 )
          | ( lt @ SV126 @ ( hd @ SV210 ) ) )
        = $true )
      | ( ( strictorderedP @ ( cons @ SV126 @ SV210 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1360]) ).

thf(1447,plain,
    ! [SV127: $i,SV211: $i] :
      ( ( ( ssList @ SV211 )
        = $false )
      | ( ( ~ ( ssItem @ SV127 )
          | ( nil = SV211 )
          | ( leq @ SV127 @ ( hd @ SV211 ) ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV127 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1361]) ).

thf(1448,plain,
    ! [SV128: $i,SV212: $i,SV299: $i] :
      ( ( ( ~ ( ssList @ SV299 ) )
        = $true )
      | ( ( ~ ( ssList @ SV212 )
          | ~ ( ssList @ SV128 )
          | ( rearsegP @ ( app @ SV299 @ SV128 ) @ SV212 ) )
        = $true )
      | ( ( rearsegP @ SV128 @ SV212 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1362]) ).

thf(1449,plain,
    ! [SV129: $i,SV213: $i,SV300: $i] :
      ( ( ( ~ ( ssList @ SV300 ) )
        = $true )
      | ( ( ~ ( ssList @ SV213 )
          | ~ ( ssList @ SV129 )
          | ( frontsegP @ ( app @ SV129 @ SV300 ) @ SV213 ) )
        = $true )
      | ( ( frontsegP @ SV129 @ SV213 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1363]) ).

thf(1450,plain,
    ! [SV130: $i,SV214: $i,SV301: $i] :
      ( ( ( ~ ( ssList @ SV301 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV214 )
          | ~ ( ssItem @ SV130 )
          | ( memberP @ ( cons @ SV214 @ SV301 ) @ SV130 ) )
        = $true )
      | ( ( SV130 = SV214 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1364]) ).

thf(1451,plain,
    ! [SV215: $i,SV131: $i] :
      ( ( ( ssList @ SV131 )
        = $false )
      | ( ( ! [SY494: $i] :
              ( ~ ( ssItem @ SY494 )
              | ~ ( ssItem @ SV215 )
              | ( memberP @ ( cons @ SY494 @ SV131 ) @ SV215 ) ) )
        = $true )
      | ( ( memberP @ SV131 @ SV215 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1365]) ).

thf(1452,plain,
    ! [SV216: $i,SV132: $i,SV302: $i] :
      ( ( ( ~ ( ssList @ SV302 ) )
        = $true )
      | ( ( ~ ( ssList @ SV132 )
          | ~ ( ssItem @ SV216 )
          | ( memberP @ ( app @ SV132 @ SV302 ) @ SV216 ) )
        = $true )
      | ( ( memberP @ SV132 @ SV216 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1366]) ).

thf(1453,plain,
    ! [SV217: $i,SV133: $i] :
      ( ( ( ssList @ SV133 )
        = $false )
      | ( ( ! [SY496: $i] :
              ( ~ ( ssList @ SY496 )
              | ~ ( ssItem @ SV217 )
              | ( memberP @ ( app @ SY496 @ SV133 ) @ SV217 ) ) )
        = $true )
      | ( ( memberP @ SV133 @ SV217 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1367]) ).

thf(1454,plain,
    ! [SV252: $i,SV218: $i,SV135: $i] :
      ( ( ( ~ ( ssList @ SV135 ) )
        = $true )
      | ( ( ~ ( ssList @ SV218 )
          | ~ ( ssList @ SV252 )
          | ( rearsegP @ SV252 @ SV218 ) )
        = $true )
      | ( ( ( app @ SV135 @ SV218 )
          = SV252 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1368]) ).

thf(1455,plain,
    ! [SV253: $i,SV136: $i,SV219: $i] :
      ( ( ( ~ ( ssList @ SV219 ) )
        = $true )
      | ( ( ~ ( ssList @ SV136 )
          | ~ ( ssList @ SV253 )
          | ( frontsegP @ SV253 @ SV136 ) )
        = $true )
      | ( ( ( app @ SV136 @ SV219 )
          = SV253 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1369]) ).

thf(1456,plain,
    ! [SV137: $i,SV282: $i] :
      ( ( ( nil = SV282 )
        = $false )
      | ( ( ~ ( ssList @ SV282 )
          | ~ ( ssList @ SV137 )
          | ( ( app @ SV137 @ SV282 )
            = nil ) )
        = $true )
      | ( ( nil = SV137 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1370]) ).

thf(1457,plain,
    ! [SV138: $i,SV303: $i,SV220: $i] :
      ( ( ( ~ ( gt @ SV220 @ SV303 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV303 )
          | ~ ( ssItem @ SV220 )
          | ~ ( ssItem @ SV138 )
          | ( gt @ SV138 @ SV303 ) )
        = $true )
      | ( ( gt @ SV138 @ SV220 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1371]) ).

thf(1458,plain,
    ! [SV139: $i,SV304: $i,SV221: $i] :
      ( ( ( ~ ( lt @ SV221 @ SV304 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV304 )
          | ~ ( ssItem @ SV221 )
          | ~ ( ssItem @ SV139 )
          | ( lt @ SV139 @ SV304 ) )
        = $true )
      | ( ( leq @ SV139 @ SV221 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1372]) ).

thf(1459,plain,
    ! [SV140: $i,SV305: $i,SV222: $i] :
      ( ( ( ~ ( geq @ SV222 @ SV305 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV305 )
          | ~ ( ssItem @ SV222 )
          | ~ ( ssItem @ SV140 )
          | ( geq @ SV140 @ SV305 ) )
        = $true )
      | ( ( geq @ SV140 @ SV222 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1373]) ).

thf(1460,plain,
    ! [SV141: $i,SV283: $i] :
      ( ( ( ssList @ SV283 )
        = $false )
      | ( ( ! [SY580: $i] :
              ( ~ ( ssList @ SY580 )
              | ( ( app @ ( app @ SY580 @ SV283 ) @ SV141 )
                = ( app @ SY580 @ ( app @ SV283 @ SV141 ) ) ) ) )
        = $true )
      | ( ( ssList @ SV141 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1374]) ).

thf(1461,plain,
    ! [SV254: $i,SV142: $i,SV223: $i] :
      ( ( ( ~ ( ssList @ SV223 ) )
        = $true )
      | ( ( ~ ( ssList @ SV142 )
          | ~ ( ssList @ SV254 )
          | ( SV223 = SV254 ) )
        = $true )
      | ( ( ( app @ SV142 @ SV223 )
          = ( app @ SV142 @ SV254 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1375]) ).

thf(1462,plain,
    ! [SV255: $i,SV224: $i,SV143: $i] :
      ( ( ( ~ ( ssList @ SV143 ) )
        = $true )
      | ( ( ~ ( ssList @ SV224 )
          | ~ ( ssList @ SV255 )
          | ( SV143 = SV255 ) )
        = $true )
      | ( ( ( app @ SV143 @ SV224 )
          = ( app @ SV255 @ SV224 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1376]) ).

thf(1463,plain,
    ! [SV144: $i,SV306: $i,SV225: $i] :
      ( ( ( ~ ( segmentP @ SV225 @ SV306 ) )
        = $true )
      | ( ( ~ ( ssList @ SV306 )
          | ~ ( ssList @ SV225 )
          | ~ ( ssList @ SV144 )
          | ( segmentP @ SV144 @ SV306 ) )
        = $true )
      | ( ( segmentP @ SV144 @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1377]) ).

thf(1464,plain,
    ! [SV145: $i,SV307: $i,SV226: $i] :
      ( ( ( ~ ( rearsegP @ SV226 @ SV307 ) )
        = $true )
      | ( ( ~ ( ssList @ SV307 )
          | ~ ( ssList @ SV226 )
          | ~ ( ssList @ SV145 )
          | ( rearsegP @ SV145 @ SV307 ) )
        = $true )
      | ( ( rearsegP @ SV145 @ SV226 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1378]) ).

thf(1465,plain,
    ! [SV146: $i,SV308: $i,SV227: $i] :
      ( ( ( ~ ( frontsegP @ SV227 @ SV308 ) )
        = $true )
      | ( ( ~ ( ssList @ SV308 )
          | ~ ( ssList @ SV227 )
          | ~ ( ssList @ SV146 )
          | ( frontsegP @ SV146 @ SV308 ) )
        = $true )
      | ( ( frontsegP @ SV146 @ SV227 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1379]) ).

thf(1466,plain,
    ! [SV147: $i,SV309: $i,SV228: $i] :
      ( ( ( ~ ( lt @ SV228 @ SV309 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV309 )
          | ~ ( ssItem @ SV228 )
          | ~ ( ssItem @ SV147 )
          | ( lt @ SV147 @ SV309 ) )
        = $true )
      | ( ( lt @ SV147 @ SV228 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1380]) ).

thf(1467,plain,
    ! [SV148: $i,SV310: $i,SV229: $i] :
      ( ( ( ~ ( leq @ SV229 @ SV310 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV310 )
          | ~ ( ssItem @ SV229 )
          | ~ ( ssItem @ SV148 )
          | ( leq @ SV148 @ SV310 ) )
        = $true )
      | ( ( leq @ SV148 @ SV229 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1381]) ).

thf(1468,plain,
    ! [SV149: $i,SV284: $i] :
      ( ( ( ssList @ SV284 )
        = $false )
      | ( ( ! [SY581: $i] :
              ( ~ ( ssList @ SY581 )
              | ( ( cons @ SV149 @ ( app @ SV284 @ SY581 ) )
                = ( app @ ( cons @ SV149 @ SV284 ) @ SY581 ) ) ) )
        = $true )
      | ( ( ssItem @ SV149 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1382]) ).

thf(1469,plain,
    ! [SV256: $i,SV150: $i,SV230: $i] :
      ( ( ( ~ ( ssList @ SV230 ) )
        = $true )
      | ( ( ~ ( ssList @ SV150 )
          | ~ ( ssItem @ SV256 )
          | ( memberP @ SV230 @ SV256 )
          | ( memberP @ SV150 @ SV256 ) )
        = $true )
      | ( ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1383]) ).

thf(1470,plain,
    ! [SV151: $i,SV231: $i] :
      ( ( ( totalorderedP @ SV231 )
        = $false )
      | ( ( ~ ( ssList @ SV231 )
          | ~ ( ssItem @ SV151 )
          | ( nil = SV231 )
          | ( totalorderedP @ ( cons @ SV151 @ SV231 ) ) )
        = $true )
      | ( ( leq @ SV151 @ ( hd @ SV231 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1384]) ).

thf(1471,plain,
    ! [SV152: $i,SV232: $i] :
      ( ( ( strictorderedP @ SV232 )
        = $false )
      | ( ( ~ ( ssList @ SV232 )
          | ~ ( ssItem @ SV152 )
          | ( nil = SV232 )
          | ( strictorderedP @ ( cons @ SV152 @ SV232 ) ) )
        = $true )
      | ( ( lt @ SV152 @ ( hd @ SV232 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1385]) ).

thf(1472,plain,
    ! [SV257: $i,SV153: $i,SV233: $i] :
      ( ( ( ~ ( ssList @ SV233 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV153 )
          | ~ ( ssItem @ SV257 )
          | ( SV257 = SV153 )
          | ( memberP @ SV233 @ SV257 ) )
        = $true )
      | ( ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1386]) ).

thf(1473,plain,
    ! [SV160: $i,SV234: $i] :
      ( ( ( ssList @ SV234 )
        = $false )
      | ( ( ~ ( ssList @ SV160 )
          | ( ( app @ ( app @ ( skaf47 @ SV160 @ SV234 ) @ SV234 ) @ ( skaf48 @ SV234 @ SV160 ) )
            = SV160 ) )
        = $true )
      | ( ( segmentP @ SV160 @ SV234 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1387]) ).

thf(1474,plain,
    ! [SV161: $i,SV235: $i] :
      ( ( ( ssItem @ SV235 )
        = $false )
      | ( ( ~ ( ssList @ SV161 )
          | ( ( app @ ( skaf42 @ SV161 @ SV235 ) @ ( cons @ SV235 @ ( skaf43 @ SV235 @ SV161 ) ) )
            = SV161 ) )
        = $true )
      | ( ( memberP @ SV161 @ SV235 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1388]) ).

thf(1475,plain,
    ! [SV285: $i,SV258: $i,SV236: $i,SV162: $i] :
      ( ( ( ( cons @ SV162 @ SV236 )
          = ( cons @ SV258 @ SV285 ) )
        = $false )
      | ( ( ~ ( ssItem @ SV258 )
          | ~ ( ssItem @ SV162 )
          | ~ ( ssList @ SV285 )
          | ~ ( ssList @ SV236 )
          | ( SV162 = SV258 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1389]) ).

thf(1476,plain,
    ! [SV286: $i,SV259: $i,SV237: $i,SV163: $i] :
      ( ( ( ( cons @ SV163 @ SV237 )
          = ( cons @ SV259 @ SV286 ) )
        = $false )
      | ( ( ~ ( ssItem @ SV259 )
          | ~ ( ssItem @ SV163 )
          | ~ ( ssList @ SV286 )
          | ~ ( ssList @ SV237 )
          | ( SV286 = SV237 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1390]) ).

thf(1477,plain,
    ! [SV164: $i,SV238: $i,SV311: $i] :
      ( ( ( ~ ( ssList @ SV311 ) )
        = $true )
      | ( ( ! [SY594: $i] :
              ( ~ ( ssList @ SY594 )
              | ~ ( ssList @ SV238 )
              | ~ ( ssList @ SV164 )
              | ( segmentP @ ( app @ ( app @ SY594 @ SV164 ) @ SV311 ) @ SV238 ) ) )
        = $true )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1391]) ).

thf(1478,plain,
    ! [SV287: $i,SV260: $i,SV239: $i,SV165: $i] :
      ( ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
          = SV287 )
        = $false )
      | ( ( ~ ( ssList @ SV260 )
          | ~ ( ssList @ SV165 )
          | ~ ( ssList @ SV239 )
          | ~ ( ssList @ SV287 )
          | ( segmentP @ SV287 @ SV239 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1392]) ).

thf(1479,plain,
    ! [SV288: $i,SV261: $i,SV240: $i,SV166: $i] :
      ( ( ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        = $false )
      | ( ( ~ ( ssList @ SV288 )
          | ~ ( ssList @ SV240 )
          | ~ ( ssItem @ SV261 )
          | ~ ( ssItem @ SV166 )
          | ( frontsegP @ SV240 @ SV288 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1393]) ).

thf(1480,plain,
    ! [SV289: $i,SV262: $i,SV241: $i,SV167: $i] :
      ( ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
          = SV289 )
        = $false )
      | ( ( ~ ( ssList @ SV262 )
          | ~ ( ssList @ SV167 )
          | ~ ( ssItem @ SV241 )
          | ~ ( ssList @ SV289 )
          | ( memberP @ SV289 @ SV241 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1394]) ).

thf(1481,plain,
    ! [SV290: $i,SV263: $i,SV242: $i,SV168: $i] :
      ( ( ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        = $false )
      | ( ( ~ ( ssList @ SV290 )
          | ~ ( ssList @ SV242 )
          | ~ ( ssItem @ SV263 )
          | ~ ( ssItem @ SV168 )
          | ( SV168 = SV263 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1395]) ).

thf(1482,plain,
    ! [SV243: $i,SV169: $i] :
      ( ( ( ( hd @ SV169 )
          = ( hd @ SV243 ) )
        = $false )
      | ( ( ~ ( ssList @ SV169 )
          | ~ ( ssList @ SV243 )
          | ( nil = SV243 )
          | ( SV169 = SV243 )
          | ( nil = SV169 ) )
        = $true )
      | ( ( ( tl @ SV169 )
          = ( tl @ SV243 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1396]) ).

thf(1483,plain,
    ! [SV170: $i,SV244: $i,SV321: $i,SV312: $i] :
      ( ( ( ( SV312 != SV321 )
          | ~ ( ssList @ SV244 )
          | ~ ( ssList @ SV170 )
          | ~ ( ssItem @ SV321 )
          | ~ ( ssItem @ SV312 )
          | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) ) )
        = $true )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1397]) ).

thf(1484,plain,
    ! [SV313: $i,SV291: $i,SV264: $i,SV245: $i,SV171: $i] :
      ( ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
         != SV313 )
        = $true )
      | ( ( ~ ( ssList @ SV291 )
          | ~ ( ssList @ SV264 )
          | ~ ( ssList @ SV171 )
          | ~ ( ssItem @ SV245 )
          | ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1398]) ).

thf(1485,plain,
    ! [SV314: $i,SV292: $i,SV265: $i,SV246: $i,SV172: $i] :
      ( ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
         != SV314 )
        = $true )
      | ( ( ~ ( ssList @ SV292 )
          | ~ ( ssList @ SV172 )
          | ~ ( ssItem @ SV265 )
          | ~ ( ssItem @ SV246 )
          | ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1399]) ).

thf(1486,plain,
    ! [SV322: $i,SV315: $i,SV293: $i,SV266: $i,SV247: $i,SV173: $i] :
      ( ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
         != SV322 )
        | ~ ( ssList @ SV315 )
        | ~ ( ssList @ SV266 )
        | ~ ( ssList @ SV173 )
        | ~ ( ssItem @ SV293 )
        | ~ ( ssItem @ SV247 )
        | ~ ( strictorderedP @ SV322 )
        | ~ ( ssList @ SV322 )
        | ( lt @ SV247 @ SV293 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1400]) ).

thf(1487,plain,
    ! [SV323: $i,SV316: $i,SV294: $i,SV267: $i,SV248: $i,SV174: $i] :
      ( ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
         != SV323 )
        | ~ ( ssList @ SV316 )
        | ~ ( ssList @ SV267 )
        | ~ ( ssList @ SV174 )
        | ~ ( ssItem @ SV294 )
        | ~ ( ssItem @ SV248 )
        | ~ ( totalorderedP @ SV323 )
        | ~ ( ssList @ SV323 )
        | ( leq @ SV248 @ SV294 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1401]) ).

thf(1488,plain,
    ! [SV324: $i,SV317: $i,SV295: $i,SV268: $i,SV249: $i,SV175: $i] :
      ( ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
         != SV324 )
        | ~ ( ssList @ SV317 )
        | ~ ( ssList @ SV268 )
        | ~ ( ssList @ SV175 )
        | ~ ( ssItem @ SV295 )
        | ~ ( ssItem @ SV249 )
        | ~ ( strictorderP @ SV324 )
        | ~ ( ssList @ SV324 )
        | ( lt @ SV249 @ SV295 )
        | ( lt @ SV295 @ SV249 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1402]) ).

thf(1489,plain,
    ! [SV325: $i,SV318: $i,SV296: $i,SV269: $i,SV250: $i,SV176: $i] :
      ( ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
         != SV325 )
        | ~ ( ssList @ SV318 )
        | ~ ( ssList @ SV269 )
        | ~ ( ssList @ SV176 )
        | ~ ( ssItem @ SV296 )
        | ~ ( ssItem @ SV250 )
        | ~ ( totalorderP @ SV325 )
        | ~ ( ssList @ SV325 )
        | ( leq @ SV250 @ SV296 )
        | ( leq @ SV296 @ SV250 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[1403]) ).

thf(1490,plain,
    ! [SV297: $i,SV270: $i,SV251: $i,SV177: $i] :
      ( ( ( leq @ SV177 @ SV251 )
        = $false )
      | ( ( ~ ( leq @ SV251 @ SV177 )
          | ! [SY592: $i,SY593: $i] :
              ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SY592 ) )
               != SY593 )
              | ~ ( ssList @ SY592 )
              | ~ ( ssList @ SV297 )
              | ~ ( ssList @ SV270 )
              | ~ ( ssItem @ SV251 )
              | ~ ( ssItem @ SV177 )
              | ~ ( cyclefreeP @ SY593 )
              | ~ ( ssList @ SY593 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1404]) ).

thf(1491,plain,
    ! [SV1: $i,SV271: $i,SV326: $i] :
      ( ( ( ~ ( ssList @ SV326 )
          | ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SV326 )
           != sk2 )
          | ( ( app @ SV271 @ SV326 )
           != sk1 )
          | ( neq @ sk2 @ nil ) )
        = $true )
      | ( ( ssList @ SV271 )
        = $false )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1405]) ).

thf(1492,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( geq @ SV2 @ sk5 ) )
        = $true )
      | ( ( neq @ sk2 @ nil )
        = $true )
      | ( ( memberP @ sk4 @ SV2 )
        = $false )
      | ( ( sk5 = SV2 )
        = $true )
      | ( ( ssItem @ SV2 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1406]) ).

thf(1493,plain,
    ! [SV3: $i,SV272: $i,SV327: $i] :
      ( ( ( ~ ( ssList @ SV327 )
          | ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SV327 )
           != sk2 )
          | ( ( app @ SV272 @ SV327 )
           != sk1 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( ssList @ SV272 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1407]) ).

thf(1494,plain,
    ! [SV4: $i] :
      ( ( ( ~ ( geq @ SV4 @ sk5 ) )
        = $true )
      | ( ( ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( memberP @ sk4 @ SV4 )
        = $false )
      | ( ( sk5 = SV4 )
        = $true )
      | ( ( ssItem @ SV4 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1408]) ).

thf(1495,plain,
    ! [SV90: $i,SV184: $i] :
      ( ( ( ssList @ SV184 )
        = $false )
      | ( ( ssItem @ SV90 )
        = $false )
      | ( ( ( cons @ SV90 @ SV184 )
          = nil )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1413]) ).

thf(1496,plain,
    ! [SV91: $i,SV185: $i] :
      ( ( ( ssList @ SV185 )
        = $false )
      | ( ( ssItem @ SV91 )
        = $false )
      | ( ( ( cons @ SV91 @ SV185 )
          = SV185 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1414]) ).

thf(1497,plain,
    ! [SV92: $i,SV277: $i] :
      ( ( ( SV277 = SV92 )
        = $true )
      | ( ( neq @ SV277 @ SV92 )
        = $true )
      | ( ( ssList @ SV277 )
        = $false )
      | ( ( ssList @ SV92 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1415]) ).

thf(1498,plain,
    ! [SV94: $i,SV278: $i] :
      ( ( ( SV278 = SV94 )
        = $true )
      | ( ( neq @ SV278 @ SV94 )
        = $true )
      | ( ( ssItem @ SV278 )
        = $false )
      | ( ( ssItem @ SV94 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1416]) ).

thf(1499,plain,
    ! [SV186: $i,SV95: $i] :
      ( ( ( ~ ( ssItem @ SV95 ) )
        = $true )
      | ( ( leq @ SV95 @ SV186 )
        = $true )
      | ( ( ssItem @ SV186 )
        = $false )
      | ( ( lt @ SV95 @ SV186 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1417]) ).

thf(1500,plain,
    ! [SV187: $i,SV97: $i] :
      ( ( ( ~ ( ssItem @ SV97 ) )
        = $true )
      | ( ( lt @ SV187 @ SV97 )
        = $true )
      | ( ( ssItem @ SV187 )
        = $false )
      | ( ( gt @ SV97 @ SV187 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1418]) ).

thf(1501,plain,
    ! [SV98: $i,SV188: $i] :
      ( ( ( ~ ( ssItem @ SV188 ) )
        = $true )
      | ( ( gt @ SV188 @ SV98 )
        = $true )
      | ( ( ssItem @ SV98 )
        = $false )
      | ( ( lt @ SV98 @ SV188 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1419]) ).

thf(1502,plain,
    ! [SV189: $i,SV99: $i] :
      ( ( ( ~ ( ssItem @ SV99 ) )
        = $true )
      | ( ( leq @ SV189 @ SV99 )
        = $true )
      | ( ( ssItem @ SV189 )
        = $false )
      | ( ( geq @ SV99 @ SV189 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1420]) ).

thf(1503,plain,
    ! [SV100: $i,SV190: $i] :
      ( ( ( ~ ( ssItem @ SV190 ) )
        = $true )
      | ( ( geq @ SV190 @ SV100 )
        = $true )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( leq @ SV100 @ SV190 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1421]) ).

thf(1504,plain,
    ! [SV191: $i,SV102: $i] :
      ( ( ( ~ ( ssItem @ SV102 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV191 ) )
        = $true )
      | ( ( gt @ SV191 @ SV102 )
        = $false )
      | ( ( gt @ SV102 @ SV191 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1422]) ).

thf(1505,plain,
    ! [SV103: $i,SV192: $i] :
      ( ( ( ~ ( ssItem @ SV192 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV103 ) )
        = $true )
      | ( ( lt @ SV103 @ SV192 )
        = $false )
      | ( ( SV103 = SV192 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1423]) ).

thf(1506,plain,
    ! [SV104: $i,SV319: $i] :
      ( ( ( ~ ( ssItem @ SV319 ) )
        = $true )
      | ( ( strictorderedP @ ( cons @ SV319 @ SV104 ) )
        = $true )
      | ( ( ssList @ SV104 )
        = $false )
      | ( ( nil = SV104 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1424]) ).

thf(1507,plain,
    ! [SV105: $i,SV320: $i] :
      ( ( ( ~ ( ssItem @ SV320 ) )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV320 @ SV105 ) )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( nil = SV105 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1425]) ).

thf(1508,plain,
    ! [SV193: $i,SV106: $i] :
      ( ( ( ~ ( ssItem @ SV106 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV193 ) )
        = $true )
      | ( ( lt @ SV193 @ SV106 )
        = $false )
      | ( ( lt @ SV106 @ SV193 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1426]) ).

thf(1509,plain,
    ! [SV107: $i,SV194: $i] :
      ( ( ( ~ ( ssList @ SV194 ) )
        = $true )
      | ( ( ~ ( ssList @ SV107 ) )
        = $true )
      | ( ( neq @ SV107 @ SV194 )
        = $false )
      | ( ( SV107 = SV194 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1427]) ).

thf(1510,plain,
    ! [SV108: $i,SV195: $i] :
      ( ( ( ~ ( ssList @ SV195 ) )
        = $true )
      | ( ( singletonP @ SV195 )
        = $true )
      | ( ( ssItem @ SV108 )
        = $false )
      | ( ( ( cons @ SV108 @ nil )
          = SV195 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1428]) ).

thf(1511,plain,
    ! [SV109: $i,SV196: $i] :
      ( ( ( ~ ( ssItem @ SV196 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV109 ) )
        = $true )
      | ( ( neq @ SV109 @ SV196 )
        = $false )
      | ( ( SV109 = SV196 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1429]) ).

thf(1512,plain,
    ! [SV197: $i,SV110: $i] :
      ( ( ( ~ ( ssList @ SV110 ) )
        = $true )
      | ( ( nil = SV110 )
        = $true )
      | ( ( ssList @ SV197 )
        = $false )
      | ( ( ( app @ SV110 @ SV197 )
          = nil )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1430]) ).

thf(1513,plain,
    ! [SV198: $i,SV111: $i] :
      ( ( ( ~ ( ssList @ SV111 ) )
        = $true )
      | ( ( nil = SV198 )
        = $true )
      | ( ( ssList @ SV198 )
        = $false )
      | ( ( ( app @ SV111 @ SV198 )
          = nil )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1431]) ).

thf(1514,plain,
    ! [SV199: $i,SV113: $i] :
      ( ( ( ~ ( ssItem @ SV113 ) )
        = $true )
      | ( ( ( SV113 = SV199 )
          | ( lt @ SV113 @ SV199 ) )
        = $true )
      | ( ( ssItem @ SV199 )
        = $false )
      | ( ( leq @ SV113 @ SV199 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1433]) ).

thf(1515,plain,
    ! [SV200: $i,SV114: $i] :
      ( ( ( ~ ( ssItem @ SV114 ) )
        = $true )
      | ( ( ( SV114 = SV200 )
          | ( lt @ SV114 @ SV200 ) )
        = $true )
      | ( ( ssItem @ SV200 )
        = $false )
      | ( ( leq @ SV114 @ SV200 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1434]) ).

thf(1516,plain,
    ! [SV115: $i,SV280: $i] :
      ( ( ( nil = SV280 )
        = $true )
      | ( ( ( hd @ ( app @ SV280 @ SV115 ) )
          = ( hd @ SV280 ) )
        = $true )
      | ( ( ssList @ SV280 )
        = $false )
      | ( ( ssList @ SV115 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1435]) ).

thf(1517,plain,
    ! [SV201: $i,SV116: $i] :
      ( ( ( ~ ( ssItem @ SV116 ) )
        = $true )
      | ( ( ( nil = SV201 )
          | ( strictorderedP @ SV201 ) )
        = $true )
      | ( ( ssList @ SV201 )
        = $false )
      | ( ( strictorderedP @ ( cons @ SV116 @ SV201 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1436]) ).

thf(1518,plain,
    ! [SV202: $i,SV117: $i] :
      ( ( ( ~ ( ssItem @ SV117 ) )
        = $true )
      | ( ( ( nil = SV202 )
          | ( totalorderedP @ SV202 ) )
        = $true )
      | ( ( ssList @ SV202 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV117 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1437]) ).

thf(1519,plain,
    ! [SV203: $i,SV118: $i] :
      ( ( ( ~ ( ssItem @ SV118 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV203 )
          | ( SV203 = SV118 ) )
        = $true )
      | ( ( geq @ SV203 @ SV118 )
        = $false )
      | ( ( geq @ SV118 @ SV203 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1438]) ).

thf(1520,plain,
    ! [SV204: $i,SV119: $i] :
      ( ( ( ~ ( ssList @ SV119 ) )
        = $true )
      | ( ( ~ ( ssList @ SV204 )
          | ( SV204 = SV119 ) )
        = $true )
      | ( ( segmentP @ SV204 @ SV119 )
        = $false )
      | ( ( segmentP @ SV119 @ SV204 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1439]) ).

thf(1521,plain,
    ! [SV205: $i,SV120: $i] :
      ( ( ( ~ ( ssList @ SV120 ) )
        = $true )
      | ( ( ~ ( ssList @ SV205 )
          | ( SV205 = SV120 ) )
        = $true )
      | ( ( rearsegP @ SV205 @ SV120 )
        = $false )
      | ( ( rearsegP @ SV120 @ SV205 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1440]) ).

thf(1522,plain,
    ! [SV206: $i,SV121: $i] :
      ( ( ( ~ ( ssList @ SV121 ) )
        = $true )
      | ( ( ~ ( ssList @ SV206 )
          | ( SV206 = SV121 ) )
        = $true )
      | ( ( frontsegP @ SV206 @ SV121 )
        = $false )
      | ( ( frontsegP @ SV121 @ SV206 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1441]) ).

thf(1523,plain,
    ! [SV207: $i,SV122: $i] :
      ( ( ( ~ ( ssItem @ SV122 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV207 )
          | ( SV207 = SV122 ) )
        = $true )
      | ( ( leq @ SV207 @ SV122 )
        = $false )
      | ( ( leq @ SV122 @ SV207 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1442]) ).

thf(1524,plain,
    ! [SV208: $i,SV123: $i] :
      ( ( ( ~ ( ssList @ SV123 ) )
        = $true )
      | ( ( ( app @ ( skaf46 @ SV123 @ SV208 ) @ SV208 )
          = SV123 )
        = $true )
      | ( ( ssList @ SV208 )
        = $false )
      | ( ( rearsegP @ SV123 @ SV208 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1443]) ).

thf(1525,plain,
    ! [SV209: $i,SV124: $i] :
      ( ( ( ~ ( ssList @ SV124 ) )
        = $true )
      | ( ( ( app @ SV209 @ ( skaf45 @ SV124 @ SV209 ) )
          = SV124 )
        = $true )
      | ( ( ssList @ SV209 )
        = $false )
      | ( ( frontsegP @ SV124 @ SV209 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1444]) ).

thf(1526,plain,
    ! [SV125: $i,SV281: $i] :
      ( ( ( nil = SV281 )
        = $true )
      | ( ( ( tl @ ( app @ SV281 @ SV125 ) )
          = ( app @ ( tl @ SV281 ) @ SV125 ) )
        = $true )
      | ( ( ssList @ SV281 )
        = $false )
      | ( ( ssList @ SV125 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1445]) ).

thf(1527,plain,
    ! [SV210: $i,SV126: $i] :
      ( ( ( ~ ( ssItem @ SV126 ) )
        = $true )
      | ( ( ( nil = SV210 )
          | ( lt @ SV126 @ ( hd @ SV210 ) ) )
        = $true )
      | ( ( ssList @ SV210 )
        = $false )
      | ( ( strictorderedP @ ( cons @ SV126 @ SV210 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1446]) ).

thf(1528,plain,
    ! [SV211: $i,SV127: $i] :
      ( ( ( ~ ( ssItem @ SV127 ) )
        = $true )
      | ( ( ( nil = SV211 )
          | ( leq @ SV127 @ ( hd @ SV211 ) ) )
        = $true )
      | ( ( ssList @ SV211 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV127 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1447]) ).

thf(1529,plain,
    ! [SV128: $i,SV212: $i,SV299: $i] :
      ( ( ( ssList @ SV299 )
        = $false )
      | ( ( ~ ( ssList @ SV212 )
          | ~ ( ssList @ SV128 )
          | ( rearsegP @ ( app @ SV299 @ SV128 ) @ SV212 ) )
        = $true )
      | ( ( rearsegP @ SV128 @ SV212 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1448]) ).

thf(1530,plain,
    ! [SV129: $i,SV213: $i,SV300: $i] :
      ( ( ( ssList @ SV300 )
        = $false )
      | ( ( ~ ( ssList @ SV213 )
          | ~ ( ssList @ SV129 )
          | ( frontsegP @ ( app @ SV129 @ SV300 ) @ SV213 ) )
        = $true )
      | ( ( frontsegP @ SV129 @ SV213 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1449]) ).

thf(1531,plain,
    ! [SV130: $i,SV214: $i,SV301: $i] :
      ( ( ( ssList @ SV301 )
        = $false )
      | ( ( ~ ( ssItem @ SV214 )
          | ~ ( ssItem @ SV130 )
          | ( memberP @ ( cons @ SV214 @ SV301 ) @ SV130 ) )
        = $true )
      | ( ( SV130 = SV214 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1450]) ).

thf(1532,plain,
    ! [SV131: $i,SV215: $i,SV328: $i] :
      ( ( ( ~ ( ssItem @ SV328 )
          | ~ ( ssItem @ SV215 )
          | ( memberP @ ( cons @ SV328 @ SV131 ) @ SV215 ) )
        = $true )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( memberP @ SV131 @ SV215 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1451]) ).

thf(1533,plain,
    ! [SV216: $i,SV132: $i,SV302: $i] :
      ( ( ( ssList @ SV302 )
        = $false )
      | ( ( ~ ( ssList @ SV132 )
          | ~ ( ssItem @ SV216 )
          | ( memberP @ ( app @ SV132 @ SV302 ) @ SV216 ) )
        = $true )
      | ( ( memberP @ SV132 @ SV216 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1452]) ).

thf(1534,plain,
    ! [SV133: $i,SV217: $i,SV329: $i] :
      ( ( ( ~ ( ssList @ SV329 )
          | ~ ( ssItem @ SV217 )
          | ( memberP @ ( app @ SV329 @ SV133 ) @ SV217 ) )
        = $true )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( memberP @ SV133 @ SV217 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1453]) ).

thf(1535,plain,
    ! [SV252: $i,SV218: $i,SV135: $i] :
      ( ( ( ssList @ SV135 )
        = $false )
      | ( ( ~ ( ssList @ SV218 )
          | ~ ( ssList @ SV252 )
          | ( rearsegP @ SV252 @ SV218 ) )
        = $true )
      | ( ( ( app @ SV135 @ SV218 )
          = SV252 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1454]) ).

thf(1536,plain,
    ! [SV253: $i,SV136: $i,SV219: $i] :
      ( ( ( ssList @ SV219 )
        = $false )
      | ( ( ~ ( ssList @ SV136 )
          | ~ ( ssList @ SV253 )
          | ( frontsegP @ SV253 @ SV136 ) )
        = $true )
      | ( ( ( app @ SV136 @ SV219 )
          = SV253 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1455]) ).

thf(1537,plain,
    ! [SV137: $i,SV282: $i] :
      ( ( ( ~ ( ssList @ SV282 ) )
        = $true )
      | ( ( ~ ( ssList @ SV137 )
          | ( ( app @ SV137 @ SV282 )
            = nil ) )
        = $true )
      | ( ( nil = SV282 )
        = $false )
      | ( ( nil = SV137 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1456]) ).

thf(1538,plain,
    ! [SV138: $i,SV303: $i,SV220: $i] :
      ( ( ( gt @ SV220 @ SV303 )
        = $false )
      | ( ( ~ ( ssItem @ SV303 )
          | ~ ( ssItem @ SV220 )
          | ~ ( ssItem @ SV138 )
          | ( gt @ SV138 @ SV303 ) )
        = $true )
      | ( ( gt @ SV138 @ SV220 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1457]) ).

thf(1539,plain,
    ! [SV139: $i,SV304: $i,SV221: $i] :
      ( ( ( lt @ SV221 @ SV304 )
        = $false )
      | ( ( ~ ( ssItem @ SV304 )
          | ~ ( ssItem @ SV221 )
          | ~ ( ssItem @ SV139 )
          | ( lt @ SV139 @ SV304 ) )
        = $true )
      | ( ( leq @ SV139 @ SV221 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1458]) ).

thf(1540,plain,
    ! [SV140: $i,SV305: $i,SV222: $i] :
      ( ( ( geq @ SV222 @ SV305 )
        = $false )
      | ( ( ~ ( ssItem @ SV305 )
          | ~ ( ssItem @ SV222 )
          | ~ ( ssItem @ SV140 )
          | ( geq @ SV140 @ SV305 ) )
        = $true )
      | ( ( geq @ SV140 @ SV222 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1459]) ).

thf(1541,plain,
    ! [SV141: $i,SV283: $i,SV330: $i] :
      ( ( ( ~ ( ssList @ SV330 )
          | ( ( app @ ( app @ SV330 @ SV283 ) @ SV141 )
            = ( app @ SV330 @ ( app @ SV283 @ SV141 ) ) ) )
        = $true )
      | ( ( ssList @ SV283 )
        = $false )
      | ( ( ssList @ SV141 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1460]) ).

thf(1542,plain,
    ! [SV254: $i,SV142: $i,SV223: $i] :
      ( ( ( ssList @ SV223 )
        = $false )
      | ( ( ~ ( ssList @ SV142 )
          | ~ ( ssList @ SV254 )
          | ( SV223 = SV254 ) )
        = $true )
      | ( ( ( app @ SV142 @ SV223 )
          = ( app @ SV142 @ SV254 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1461]) ).

thf(1543,plain,
    ! [SV255: $i,SV224: $i,SV143: $i] :
      ( ( ( ssList @ SV143 )
        = $false )
      | ( ( ~ ( ssList @ SV224 )
          | ~ ( ssList @ SV255 )
          | ( SV143 = SV255 ) )
        = $true )
      | ( ( ( app @ SV143 @ SV224 )
          = ( app @ SV255 @ SV224 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1462]) ).

thf(1544,plain,
    ! [SV144: $i,SV306: $i,SV225: $i] :
      ( ( ( segmentP @ SV225 @ SV306 )
        = $false )
      | ( ( ~ ( ssList @ SV306 )
          | ~ ( ssList @ SV225 )
          | ~ ( ssList @ SV144 )
          | ( segmentP @ SV144 @ SV306 ) )
        = $true )
      | ( ( segmentP @ SV144 @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1463]) ).

thf(1545,plain,
    ! [SV145: $i,SV307: $i,SV226: $i] :
      ( ( ( rearsegP @ SV226 @ SV307 )
        = $false )
      | ( ( ~ ( ssList @ SV307 )
          | ~ ( ssList @ SV226 )
          | ~ ( ssList @ SV145 )
          | ( rearsegP @ SV145 @ SV307 ) )
        = $true )
      | ( ( rearsegP @ SV145 @ SV226 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1464]) ).

thf(1546,plain,
    ! [SV146: $i,SV308: $i,SV227: $i] :
      ( ( ( frontsegP @ SV227 @ SV308 )
        = $false )
      | ( ( ~ ( ssList @ SV308 )
          | ~ ( ssList @ SV227 )
          | ~ ( ssList @ SV146 )
          | ( frontsegP @ SV146 @ SV308 ) )
        = $true )
      | ( ( frontsegP @ SV146 @ SV227 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1465]) ).

thf(1547,plain,
    ! [SV147: $i,SV309: $i,SV228: $i] :
      ( ( ( lt @ SV228 @ SV309 )
        = $false )
      | ( ( ~ ( ssItem @ SV309 )
          | ~ ( ssItem @ SV228 )
          | ~ ( ssItem @ SV147 )
          | ( lt @ SV147 @ SV309 ) )
        = $true )
      | ( ( lt @ SV147 @ SV228 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1466]) ).

thf(1548,plain,
    ! [SV148: $i,SV310: $i,SV229: $i] :
      ( ( ( leq @ SV229 @ SV310 )
        = $false )
      | ( ( ~ ( ssItem @ SV310 )
          | ~ ( ssItem @ SV229 )
          | ~ ( ssItem @ SV148 )
          | ( leq @ SV148 @ SV310 ) )
        = $true )
      | ( ( leq @ SV148 @ SV229 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1467]) ).

thf(1549,plain,
    ! [SV284: $i,SV149: $i,SV331: $i] :
      ( ( ( ~ ( ssList @ SV331 )
          | ( ( cons @ SV149 @ ( app @ SV284 @ SV331 ) )
            = ( app @ ( cons @ SV149 @ SV284 ) @ SV331 ) ) )
        = $true )
      | ( ( ssList @ SV284 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1468]) ).

thf(1550,plain,
    ! [SV256: $i,SV150: $i,SV230: $i] :
      ( ( ( ssList @ SV230 )
        = $false )
      | ( ( ~ ( ssList @ SV150 )
          | ~ ( ssItem @ SV256 )
          | ( memberP @ SV230 @ SV256 )
          | ( memberP @ SV150 @ SV256 ) )
        = $true )
      | ( ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1469]) ).

thf(1551,plain,
    ! [SV151: $i,SV231: $i] :
      ( ( ( ~ ( ssList @ SV231 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV151 )
          | ( nil = SV231 )
          | ( totalorderedP @ ( cons @ SV151 @ SV231 ) ) )
        = $true )
      | ( ( totalorderedP @ SV231 )
        = $false )
      | ( ( leq @ SV151 @ ( hd @ SV231 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1470]) ).

thf(1552,plain,
    ! [SV152: $i,SV232: $i] :
      ( ( ( ~ ( ssList @ SV232 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV152 )
          | ( nil = SV232 )
          | ( strictorderedP @ ( cons @ SV152 @ SV232 ) ) )
        = $true )
      | ( ( strictorderedP @ SV232 )
        = $false )
      | ( ( lt @ SV152 @ ( hd @ SV232 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1471]) ).

thf(1553,plain,
    ! [SV257: $i,SV153: $i,SV233: $i] :
      ( ( ( ssList @ SV233 )
        = $false )
      | ( ( ~ ( ssItem @ SV153 )
          | ~ ( ssItem @ SV257 )
          | ( SV257 = SV153 )
          | ( memberP @ SV233 @ SV257 ) )
        = $true )
      | ( ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1472]) ).

thf(1554,plain,
    ! [SV234: $i,SV160: $i] :
      ( ( ( ~ ( ssList @ SV160 ) )
        = $true )
      | ( ( ( app @ ( app @ ( skaf47 @ SV160 @ SV234 ) @ SV234 ) @ ( skaf48 @ SV234 @ SV160 ) )
          = SV160 )
        = $true )
      | ( ( ssList @ SV234 )
        = $false )
      | ( ( segmentP @ SV160 @ SV234 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1473]) ).

thf(1555,plain,
    ! [SV235: $i,SV161: $i] :
      ( ( ( ~ ( ssList @ SV161 ) )
        = $true )
      | ( ( ( app @ ( skaf42 @ SV161 @ SV235 ) @ ( cons @ SV235 @ ( skaf43 @ SV235 @ SV161 ) ) )
          = SV161 )
        = $true )
      | ( ( ssItem @ SV235 )
        = $false )
      | ( ( memberP @ SV161 @ SV235 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1474]) ).

thf(1556,plain,
    ! [SV236: $i,SV285: $i,SV162: $i,SV258: $i] :
      ( ( ( ~ ( ssItem @ SV258 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV162 )
          | ~ ( ssList @ SV285 )
          | ~ ( ssList @ SV236 )
          | ( SV162 = SV258 ) )
        = $true )
      | ( ( ( cons @ SV162 @ SV236 )
          = ( cons @ SV258 @ SV285 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1475]) ).

thf(1557,plain,
    ! [SV237: $i,SV286: $i,SV163: $i,SV259: $i] :
      ( ( ( ~ ( ssItem @ SV259 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV163 )
          | ~ ( ssList @ SV286 )
          | ~ ( ssList @ SV237 )
          | ( SV286 = SV237 ) )
        = $true )
      | ( ( ( cons @ SV163 @ SV237 )
          = ( cons @ SV259 @ SV286 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1476]) ).

thf(1558,plain,
    ! [SV164: $i,SV238: $i,SV311: $i] :
      ( ( ( ssList @ SV311 )
        = $false )
      | ( ( ! [SY594: $i] :
              ( ~ ( ssList @ SY594 )
              | ~ ( ssList @ SV238 )
              | ~ ( ssList @ SV164 )
              | ( segmentP @ ( app @ ( app @ SY594 @ SV164 ) @ SV311 ) @ SV238 ) ) )
        = $true )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1477]) ).

thf(1559,plain,
    ! [SV287: $i,SV239: $i,SV165: $i,SV260: $i] :
      ( ( ( ~ ( ssList @ SV260 ) )
        = $true )
      | ( ( ~ ( ssList @ SV165 )
          | ~ ( ssList @ SV239 )
          | ~ ( ssList @ SV287 )
          | ( segmentP @ SV287 @ SV239 ) )
        = $true )
      | ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
          = SV287 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1478]) ).

thf(1560,plain,
    ! [SV166: $i,SV261: $i,SV240: $i,SV288: $i] :
      ( ( ( ~ ( ssList @ SV288 ) )
        = $true )
      | ( ( ~ ( ssList @ SV240 )
          | ~ ( ssItem @ SV261 )
          | ~ ( ssItem @ SV166 )
          | ( frontsegP @ SV240 @ SV288 ) )
        = $true )
      | ( ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1479]) ).

thf(1561,plain,
    ! [SV289: $i,SV241: $i,SV167: $i,SV262: $i] :
      ( ( ( ~ ( ssList @ SV262 ) )
        = $true )
      | ( ( ~ ( ssList @ SV167 )
          | ~ ( ssItem @ SV241 )
          | ~ ( ssList @ SV289 )
          | ( memberP @ SV289 @ SV241 ) )
        = $true )
      | ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
          = SV289 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1480]) ).

thf(1562,plain,
    ! [SV168: $i,SV263: $i,SV242: $i,SV290: $i] :
      ( ( ( ~ ( ssList @ SV290 ) )
        = $true )
      | ( ( ~ ( ssList @ SV242 )
          | ~ ( ssItem @ SV263 )
          | ~ ( ssItem @ SV168 )
          | ( SV168 = SV263 ) )
        = $true )
      | ( ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1481]) ).

thf(1563,plain,
    ! [SV243: $i,SV169: $i] :
      ( ( ( ~ ( ssList @ SV169 ) )
        = $true )
      | ( ( ~ ( ssList @ SV243 )
          | ( nil = SV243 )
          | ( SV169 = SV243 )
          | ( nil = SV169 ) )
        = $true )
      | ( ( ( hd @ SV169 )
          = ( hd @ SV243 ) )
        = $false )
      | ( ( ( tl @ SV169 )
          = ( tl @ SV243 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1482]) ).

thf(1564,plain,
    ! [SV170: $i,SV244: $i,SV321: $i,SV312: $i] :
      ( ( ( SV312 != SV321 )
        = $true )
      | ( ( ~ ( ssList @ SV244 )
          | ~ ( ssList @ SV170 )
          | ~ ( ssItem @ SV321 )
          | ~ ( ssItem @ SV312 )
          | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) ) )
        = $true )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1483]) ).

thf(1565,plain,
    ! [SV313: $i,SV291: $i,SV264: $i,SV245: $i,SV171: $i] :
      ( ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false )
      | ( ( ~ ( ssList @ SV291 )
          | ~ ( ssList @ SV264 )
          | ~ ( ssList @ SV171 )
          | ~ ( ssItem @ SV245 )
          | ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1484]) ).

thf(1566,plain,
    ! [SV314: $i,SV292: $i,SV265: $i,SV246: $i,SV172: $i] :
      ( ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false )
      | ( ( ~ ( ssList @ SV292 )
          | ~ ( ssList @ SV172 )
          | ~ ( ssItem @ SV265 )
          | ~ ( ssItem @ SV246 )
          | ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1485]) ).

thf(1567,plain,
    ! [SV322: $i,SV315: $i,SV293: $i,SV266: $i,SV247: $i,SV173: $i] :
      ( ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
         != SV322 )
        = $true )
      | ( ( ~ ( ssList @ SV315 )
          | ~ ( ssList @ SV266 )
          | ~ ( ssList @ SV173 )
          | ~ ( ssItem @ SV293 )
          | ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1486]) ).

thf(1568,plain,
    ! [SV323: $i,SV316: $i,SV294: $i,SV267: $i,SV248: $i,SV174: $i] :
      ( ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
         != SV323 )
        = $true )
      | ( ( ~ ( ssList @ SV316 )
          | ~ ( ssList @ SV267 )
          | ~ ( ssList @ SV174 )
          | ~ ( ssItem @ SV294 )
          | ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1487]) ).

thf(1569,plain,
    ! [SV324: $i,SV317: $i,SV295: $i,SV268: $i,SV249: $i,SV175: $i] :
      ( ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
         != SV324 )
        = $true )
      | ( ( ~ ( ssList @ SV317 )
          | ~ ( ssList @ SV268 )
          | ~ ( ssList @ SV175 )
          | ~ ( ssItem @ SV295 )
          | ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1488]) ).

thf(1570,plain,
    ! [SV325: $i,SV318: $i,SV296: $i,SV269: $i,SV250: $i,SV176: $i] :
      ( ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
         != SV325 )
        = $true )
      | ( ( ~ ( ssList @ SV318 )
          | ~ ( ssList @ SV269 )
          | ~ ( ssList @ SV176 )
          | ~ ( ssItem @ SV296 )
          | ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[1489]) ).

thf(1571,plain,
    ! [SV297: $i,SV270: $i,SV177: $i,SV251: $i] :
      ( ( ( ~ ( leq @ SV251 @ SV177 ) )
        = $true )
      | ( ( ! [SY592: $i,SY593: $i] :
              ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SY592 ) )
               != SY593 )
              | ~ ( ssList @ SY592 )
              | ~ ( ssList @ SV297 )
              | ~ ( ssList @ SV270 )
              | ~ ( ssItem @ SV251 )
              | ~ ( ssItem @ SV177 )
              | ~ ( cyclefreeP @ SY593 )
              | ~ ( ssList @ SY593 ) ) )
        = $true )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1490]) ).

thf(1572,plain,
    ! [SV1: $i,SV271: $i,SV326: $i] :
      ( ( ( ~ ( ssList @ SV326 ) )
        = $true )
      | ( ( ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SV326 )
           != sk2 )
          | ( ( app @ SV271 @ SV326 )
           != sk1 )
          | ( neq @ sk2 @ nil ) )
        = $true )
      | ( ( ssList @ SV271 )
        = $false )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1491]) ).

thf(1573,plain,
    ! [SV2: $i] :
      ( ( ( geq @ SV2 @ sk5 )
        = $false )
      | ( ( neq @ sk2 @ nil )
        = $true )
      | ( ( memberP @ sk4 @ SV2 )
        = $false )
      | ( ( sk5 = SV2 )
        = $true )
      | ( ( ssItem @ SV2 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1492]) ).

thf(1574,plain,
    ! [SV3: $i,SV272: $i,SV327: $i] :
      ( ( ( ~ ( ssList @ SV327 ) )
        = $true )
      | ( ( ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SV327 )
           != sk2 )
          | ( ( app @ SV272 @ SV327 )
           != sk1 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( ssList @ SV272 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1493]) ).

thf(1575,plain,
    ! [SV4: $i] :
      ( ( ( geq @ SV4 @ sk5 )
        = $false )
      | ( ( ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( memberP @ sk4 @ SV4 )
        = $false )
      | ( ( sk5 = SV4 )
        = $true )
      | ( ( ssItem @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1494]) ).

thf(1576,plain,
    ! [SV186: $i,SV95: $i] :
      ( ( ( ssItem @ SV95 )
        = $false )
      | ( ( leq @ SV95 @ SV186 )
        = $true )
      | ( ( ssItem @ SV186 )
        = $false )
      | ( ( lt @ SV95 @ SV186 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1499]) ).

thf(1577,plain,
    ! [SV187: $i,SV97: $i] :
      ( ( ( ssItem @ SV97 )
        = $false )
      | ( ( lt @ SV187 @ SV97 )
        = $true )
      | ( ( ssItem @ SV187 )
        = $false )
      | ( ( gt @ SV97 @ SV187 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1500]) ).

thf(1578,plain,
    ! [SV98: $i,SV188: $i] :
      ( ( ( ssItem @ SV188 )
        = $false )
      | ( ( gt @ SV188 @ SV98 )
        = $true )
      | ( ( ssItem @ SV98 )
        = $false )
      | ( ( lt @ SV98 @ SV188 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1501]) ).

thf(1579,plain,
    ! [SV189: $i,SV99: $i] :
      ( ( ( ssItem @ SV99 )
        = $false )
      | ( ( leq @ SV189 @ SV99 )
        = $true )
      | ( ( ssItem @ SV189 )
        = $false )
      | ( ( geq @ SV99 @ SV189 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1502]) ).

thf(1580,plain,
    ! [SV100: $i,SV190: $i] :
      ( ( ( ssItem @ SV190 )
        = $false )
      | ( ( geq @ SV190 @ SV100 )
        = $true )
      | ( ( ssItem @ SV100 )
        = $false )
      | ( ( leq @ SV100 @ SV190 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1503]) ).

thf(1581,plain,
    ! [SV191: $i,SV102: $i] :
      ( ( ( ssItem @ SV102 )
        = $false )
      | ( ( ~ ( ssItem @ SV191 ) )
        = $true )
      | ( ( gt @ SV191 @ SV102 )
        = $false )
      | ( ( gt @ SV102 @ SV191 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1504]) ).

thf(1582,plain,
    ! [SV103: $i,SV192: $i] :
      ( ( ( ssItem @ SV192 )
        = $false )
      | ( ( ~ ( ssItem @ SV103 ) )
        = $true )
      | ( ( lt @ SV103 @ SV192 )
        = $false )
      | ( ( SV103 = SV192 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1505]) ).

thf(1583,plain,
    ! [SV104: $i,SV319: $i] :
      ( ( ( ssItem @ SV319 )
        = $false )
      | ( ( strictorderedP @ ( cons @ SV319 @ SV104 ) )
        = $true )
      | ( ( ssList @ SV104 )
        = $false )
      | ( ( nil = SV104 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1506]) ).

thf(1584,plain,
    ! [SV105: $i,SV320: $i] :
      ( ( ( ssItem @ SV320 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV320 @ SV105 ) )
        = $true )
      | ( ( ssList @ SV105 )
        = $false )
      | ( ( nil = SV105 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1507]) ).

thf(1585,plain,
    ! [SV193: $i,SV106: $i] :
      ( ( ( ssItem @ SV106 )
        = $false )
      | ( ( ~ ( ssItem @ SV193 ) )
        = $true )
      | ( ( lt @ SV193 @ SV106 )
        = $false )
      | ( ( lt @ SV106 @ SV193 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1508]) ).

thf(1586,plain,
    ! [SV107: $i,SV194: $i] :
      ( ( ( ssList @ SV194 )
        = $false )
      | ( ( ~ ( ssList @ SV107 ) )
        = $true )
      | ( ( neq @ SV107 @ SV194 )
        = $false )
      | ( ( SV107 = SV194 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1509]) ).

thf(1587,plain,
    ! [SV108: $i,SV195: $i] :
      ( ( ( ssList @ SV195 )
        = $false )
      | ( ( singletonP @ SV195 )
        = $true )
      | ( ( ssItem @ SV108 )
        = $false )
      | ( ( ( cons @ SV108 @ nil )
          = SV195 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1510]) ).

thf(1588,plain,
    ! [SV109: $i,SV196: $i] :
      ( ( ( ssItem @ SV196 )
        = $false )
      | ( ( ~ ( ssItem @ SV109 ) )
        = $true )
      | ( ( neq @ SV109 @ SV196 )
        = $false )
      | ( ( SV109 = SV196 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1511]) ).

thf(1589,plain,
    ! [SV197: $i,SV110: $i] :
      ( ( ( ssList @ SV110 )
        = $false )
      | ( ( nil = SV110 )
        = $true )
      | ( ( ssList @ SV197 )
        = $false )
      | ( ( ( app @ SV110 @ SV197 )
          = nil )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1512]) ).

thf(1590,plain,
    ! [SV198: $i,SV111: $i] :
      ( ( ( ssList @ SV111 )
        = $false )
      | ( ( nil = SV198 )
        = $true )
      | ( ( ssList @ SV198 )
        = $false )
      | ( ( ( app @ SV111 @ SV198 )
          = nil )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1513]) ).

thf(1591,plain,
    ! [SV199: $i,SV113: $i] :
      ( ( ( ssItem @ SV113 )
        = $false )
      | ( ( ( SV113 = SV199 )
          | ( lt @ SV113 @ SV199 ) )
        = $true )
      | ( ( ssItem @ SV199 )
        = $false )
      | ( ( leq @ SV113 @ SV199 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1514]) ).

thf(1592,plain,
    ! [SV200: $i,SV114: $i] :
      ( ( ( ssItem @ SV114 )
        = $false )
      | ( ( ( SV114 = SV200 )
          | ( lt @ SV114 @ SV200 ) )
        = $true )
      | ( ( ssItem @ SV200 )
        = $false )
      | ( ( leq @ SV114 @ SV200 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1515]) ).

thf(1593,plain,
    ! [SV201: $i,SV116: $i] :
      ( ( ( ssItem @ SV116 )
        = $false )
      | ( ( ( nil = SV201 )
          | ( strictorderedP @ SV201 ) )
        = $true )
      | ( ( ssList @ SV201 )
        = $false )
      | ( ( strictorderedP @ ( cons @ SV116 @ SV201 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1517]) ).

thf(1594,plain,
    ! [SV202: $i,SV117: $i] :
      ( ( ( ssItem @ SV117 )
        = $false )
      | ( ( ( nil = SV202 )
          | ( totalorderedP @ SV202 ) )
        = $true )
      | ( ( ssList @ SV202 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV117 @ SV202 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1518]) ).

thf(1595,plain,
    ! [SV203: $i,SV118: $i] :
      ( ( ( ssItem @ SV118 )
        = $false )
      | ( ( ~ ( ssItem @ SV203 )
          | ( SV203 = SV118 ) )
        = $true )
      | ( ( geq @ SV203 @ SV118 )
        = $false )
      | ( ( geq @ SV118 @ SV203 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1519]) ).

thf(1596,plain,
    ! [SV204: $i,SV119: $i] :
      ( ( ( ssList @ SV119 )
        = $false )
      | ( ( ~ ( ssList @ SV204 )
          | ( SV204 = SV119 ) )
        = $true )
      | ( ( segmentP @ SV204 @ SV119 )
        = $false )
      | ( ( segmentP @ SV119 @ SV204 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1520]) ).

thf(1597,plain,
    ! [SV205: $i,SV120: $i] :
      ( ( ( ssList @ SV120 )
        = $false )
      | ( ( ~ ( ssList @ SV205 )
          | ( SV205 = SV120 ) )
        = $true )
      | ( ( rearsegP @ SV205 @ SV120 )
        = $false )
      | ( ( rearsegP @ SV120 @ SV205 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1521]) ).

thf(1598,plain,
    ! [SV206: $i,SV121: $i] :
      ( ( ( ssList @ SV121 )
        = $false )
      | ( ( ~ ( ssList @ SV206 )
          | ( SV206 = SV121 ) )
        = $true )
      | ( ( frontsegP @ SV206 @ SV121 )
        = $false )
      | ( ( frontsegP @ SV121 @ SV206 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1522]) ).

thf(1599,plain,
    ! [SV207: $i,SV122: $i] :
      ( ( ( ssItem @ SV122 )
        = $false )
      | ( ( ~ ( ssItem @ SV207 )
          | ( SV207 = SV122 ) )
        = $true )
      | ( ( leq @ SV207 @ SV122 )
        = $false )
      | ( ( leq @ SV122 @ SV207 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1523]) ).

thf(1600,plain,
    ! [SV208: $i,SV123: $i] :
      ( ( ( ssList @ SV123 )
        = $false )
      | ( ( ( app @ ( skaf46 @ SV123 @ SV208 ) @ SV208 )
          = SV123 )
        = $true )
      | ( ( ssList @ SV208 )
        = $false )
      | ( ( rearsegP @ SV123 @ SV208 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1524]) ).

thf(1601,plain,
    ! [SV209: $i,SV124: $i] :
      ( ( ( ssList @ SV124 )
        = $false )
      | ( ( ( app @ SV209 @ ( skaf45 @ SV124 @ SV209 ) )
          = SV124 )
        = $true )
      | ( ( ssList @ SV209 )
        = $false )
      | ( ( frontsegP @ SV124 @ SV209 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1525]) ).

thf(1602,plain,
    ! [SV210: $i,SV126: $i] :
      ( ( ( ssItem @ SV126 )
        = $false )
      | ( ( ( nil = SV210 )
          | ( lt @ SV126 @ ( hd @ SV210 ) ) )
        = $true )
      | ( ( ssList @ SV210 )
        = $false )
      | ( ( strictorderedP @ ( cons @ SV126 @ SV210 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1527]) ).

thf(1603,plain,
    ! [SV211: $i,SV127: $i] :
      ( ( ( ssItem @ SV127 )
        = $false )
      | ( ( ( nil = SV211 )
          | ( leq @ SV127 @ ( hd @ SV211 ) ) )
        = $true )
      | ( ( ssList @ SV211 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV127 @ SV211 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1528]) ).

thf(1604,plain,
    ! [SV299: $i,SV128: $i,SV212: $i] :
      ( ( ( ~ ( ssList @ SV212 ) )
        = $true )
      | ( ( ~ ( ssList @ SV128 )
          | ( rearsegP @ ( app @ SV299 @ SV128 ) @ SV212 ) )
        = $true )
      | ( ( ssList @ SV299 )
        = $false )
      | ( ( rearsegP @ SV128 @ SV212 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1529]) ).

thf(1605,plain,
    ! [SV300: $i,SV129: $i,SV213: $i] :
      ( ( ( ~ ( ssList @ SV213 ) )
        = $true )
      | ( ( ~ ( ssList @ SV129 )
          | ( frontsegP @ ( app @ SV129 @ SV300 ) @ SV213 ) )
        = $true )
      | ( ( ssList @ SV300 )
        = $false )
      | ( ( frontsegP @ SV129 @ SV213 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1530]) ).

thf(1606,plain,
    ! [SV301: $i,SV130: $i,SV214: $i] :
      ( ( ( ~ ( ssItem @ SV214 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV130 )
          | ( memberP @ ( cons @ SV214 @ SV301 ) @ SV130 ) )
        = $true )
      | ( ( ssList @ SV301 )
        = $false )
      | ( ( SV130 = SV214 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1531]) ).

thf(1607,plain,
    ! [SV131: $i,SV215: $i,SV328: $i] :
      ( ( ( ~ ( ssItem @ SV328 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV215 )
          | ( memberP @ ( cons @ SV328 @ SV131 ) @ SV215 ) )
        = $true )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( memberP @ SV131 @ SV215 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1532]) ).

thf(1608,plain,
    ! [SV302: $i,SV216: $i,SV132: $i] :
      ( ( ( ~ ( ssList @ SV132 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV216 )
          | ( memberP @ ( app @ SV132 @ SV302 ) @ SV216 ) )
        = $true )
      | ( ( ssList @ SV302 )
        = $false )
      | ( ( memberP @ SV132 @ SV216 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1533]) ).

thf(1609,plain,
    ! [SV133: $i,SV217: $i,SV329: $i] :
      ( ( ( ~ ( ssList @ SV329 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV217 )
          | ( memberP @ ( app @ SV329 @ SV133 ) @ SV217 ) )
        = $true )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( memberP @ SV133 @ SV217 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1534]) ).

thf(1610,plain,
    ! [SV135: $i,SV252: $i,SV218: $i] :
      ( ( ( ~ ( ssList @ SV218 ) )
        = $true )
      | ( ( ~ ( ssList @ SV252 )
          | ( rearsegP @ SV252 @ SV218 ) )
        = $true )
      | ( ( ssList @ SV135 )
        = $false )
      | ( ( ( app @ SV135 @ SV218 )
          = SV252 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1535]) ).

thf(1611,plain,
    ! [SV219: $i,SV253: $i,SV136: $i] :
      ( ( ( ~ ( ssList @ SV136 ) )
        = $true )
      | ( ( ~ ( ssList @ SV253 )
          | ( frontsegP @ SV253 @ SV136 ) )
        = $true )
      | ( ( ssList @ SV219 )
        = $false )
      | ( ( ( app @ SV136 @ SV219 )
          = SV253 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1536]) ).

thf(1612,plain,
    ! [SV137: $i,SV282: $i] :
      ( ( ( ssList @ SV282 )
        = $false )
      | ( ( ~ ( ssList @ SV137 )
          | ( ( app @ SV137 @ SV282 )
            = nil ) )
        = $true )
      | ( ( nil = SV282 )
        = $false )
      | ( ( nil = SV137 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1537]) ).

thf(1613,plain,
    ! [SV138: $i,SV220: $i,SV303: $i] :
      ( ( ( ~ ( ssItem @ SV303 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV220 )
          | ~ ( ssItem @ SV138 )
          | ( gt @ SV138 @ SV303 ) )
        = $true )
      | ( ( gt @ SV220 @ SV303 )
        = $false )
      | ( ( gt @ SV138 @ SV220 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1538]) ).

thf(1614,plain,
    ! [SV139: $i,SV221: $i,SV304: $i] :
      ( ( ( ~ ( ssItem @ SV304 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV221 )
          | ~ ( ssItem @ SV139 )
          | ( lt @ SV139 @ SV304 ) )
        = $true )
      | ( ( lt @ SV221 @ SV304 )
        = $false )
      | ( ( leq @ SV139 @ SV221 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1539]) ).

thf(1615,plain,
    ! [SV140: $i,SV222: $i,SV305: $i] :
      ( ( ( ~ ( ssItem @ SV305 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV222 )
          | ~ ( ssItem @ SV140 )
          | ( geq @ SV140 @ SV305 ) )
        = $true )
      | ( ( geq @ SV222 @ SV305 )
        = $false )
      | ( ( geq @ SV140 @ SV222 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1540]) ).

thf(1616,plain,
    ! [SV141: $i,SV283: $i,SV330: $i] :
      ( ( ( ~ ( ssList @ SV330 ) )
        = $true )
      | ( ( ( app @ ( app @ SV330 @ SV283 ) @ SV141 )
          = ( app @ SV330 @ ( app @ SV283 @ SV141 ) ) )
        = $true )
      | ( ( ssList @ SV283 )
        = $false )
      | ( ( ssList @ SV141 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1541]) ).

thf(1617,plain,
    ! [SV223: $i,SV254: $i,SV142: $i] :
      ( ( ( ~ ( ssList @ SV142 ) )
        = $true )
      | ( ( ~ ( ssList @ SV254 )
          | ( SV223 = SV254 ) )
        = $true )
      | ( ( ssList @ SV223 )
        = $false )
      | ( ( ( app @ SV142 @ SV223 )
          = ( app @ SV142 @ SV254 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1542]) ).

thf(1618,plain,
    ! [SV143: $i,SV255: $i,SV224: $i] :
      ( ( ( ~ ( ssList @ SV224 ) )
        = $true )
      | ( ( ~ ( ssList @ SV255 )
          | ( SV143 = SV255 ) )
        = $true )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ( app @ SV143 @ SV224 )
          = ( app @ SV255 @ SV224 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1543]) ).

thf(1619,plain,
    ! [SV144: $i,SV225: $i,SV306: $i] :
      ( ( ( ~ ( ssList @ SV306 ) )
        = $true )
      | ( ( ~ ( ssList @ SV225 )
          | ~ ( ssList @ SV144 )
          | ( segmentP @ SV144 @ SV306 ) )
        = $true )
      | ( ( segmentP @ SV225 @ SV306 )
        = $false )
      | ( ( segmentP @ SV144 @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1544]) ).

thf(1620,plain,
    ! [SV145: $i,SV226: $i,SV307: $i] :
      ( ( ( ~ ( ssList @ SV307 ) )
        = $true )
      | ( ( ~ ( ssList @ SV226 )
          | ~ ( ssList @ SV145 )
          | ( rearsegP @ SV145 @ SV307 ) )
        = $true )
      | ( ( rearsegP @ SV226 @ SV307 )
        = $false )
      | ( ( rearsegP @ SV145 @ SV226 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1545]) ).

thf(1621,plain,
    ! [SV146: $i,SV227: $i,SV308: $i] :
      ( ( ( ~ ( ssList @ SV308 ) )
        = $true )
      | ( ( ~ ( ssList @ SV227 )
          | ~ ( ssList @ SV146 )
          | ( frontsegP @ SV146 @ SV308 ) )
        = $true )
      | ( ( frontsegP @ SV227 @ SV308 )
        = $false )
      | ( ( frontsegP @ SV146 @ SV227 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1546]) ).

thf(1622,plain,
    ! [SV147: $i,SV228: $i,SV309: $i] :
      ( ( ( ~ ( ssItem @ SV309 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV228 )
          | ~ ( ssItem @ SV147 )
          | ( lt @ SV147 @ SV309 ) )
        = $true )
      | ( ( lt @ SV228 @ SV309 )
        = $false )
      | ( ( lt @ SV147 @ SV228 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1547]) ).

thf(1623,plain,
    ! [SV148: $i,SV229: $i,SV310: $i] :
      ( ( ( ~ ( ssItem @ SV310 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV229 )
          | ~ ( ssItem @ SV148 )
          | ( leq @ SV148 @ SV310 ) )
        = $true )
      | ( ( leq @ SV229 @ SV310 )
        = $false )
      | ( ( leq @ SV148 @ SV229 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1548]) ).

thf(1624,plain,
    ! [SV284: $i,SV149: $i,SV331: $i] :
      ( ( ( ~ ( ssList @ SV331 ) )
        = $true )
      | ( ( ( cons @ SV149 @ ( app @ SV284 @ SV331 ) )
          = ( app @ ( cons @ SV149 @ SV284 ) @ SV331 ) )
        = $true )
      | ( ( ssList @ SV284 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1549]) ).

thf(1625,plain,
    ! [SV230: $i,SV256: $i,SV150: $i] :
      ( ( ( ~ ( ssList @ SV150 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV256 )
          | ( memberP @ SV230 @ SV256 )
          | ( memberP @ SV150 @ SV256 ) )
        = $true )
      | ( ( ssList @ SV230 )
        = $false )
      | ( ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1550]) ).

thf(1626,plain,
    ! [SV151: $i,SV231: $i] :
      ( ( ( ssList @ SV231 )
        = $false )
      | ( ( ~ ( ssItem @ SV151 )
          | ( nil = SV231 )
          | ( totalorderedP @ ( cons @ SV151 @ SV231 ) ) )
        = $true )
      | ( ( totalorderedP @ SV231 )
        = $false )
      | ( ( leq @ SV151 @ ( hd @ SV231 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1551]) ).

thf(1627,plain,
    ! [SV152: $i,SV232: $i] :
      ( ( ( ssList @ SV232 )
        = $false )
      | ( ( ~ ( ssItem @ SV152 )
          | ( nil = SV232 )
          | ( strictorderedP @ ( cons @ SV152 @ SV232 ) ) )
        = $true )
      | ( ( strictorderedP @ SV232 )
        = $false )
      | ( ( lt @ SV152 @ ( hd @ SV232 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1552]) ).

thf(1628,plain,
    ! [SV233: $i,SV257: $i,SV153: $i] :
      ( ( ( ~ ( ssItem @ SV153 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV257 )
          | ( SV257 = SV153 )
          | ( memberP @ SV233 @ SV257 ) )
        = $true )
      | ( ( ssList @ SV233 )
        = $false )
      | ( ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1553]) ).

thf(1629,plain,
    ! [SV234: $i,SV160: $i] :
      ( ( ( ssList @ SV160 )
        = $false )
      | ( ( ( app @ ( app @ ( skaf47 @ SV160 @ SV234 ) @ SV234 ) @ ( skaf48 @ SV234 @ SV160 ) )
          = SV160 )
        = $true )
      | ( ( ssList @ SV234 )
        = $false )
      | ( ( segmentP @ SV160 @ SV234 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1554]) ).

thf(1630,plain,
    ! [SV235: $i,SV161: $i] :
      ( ( ( ssList @ SV161 )
        = $false )
      | ( ( ( app @ ( skaf42 @ SV161 @ SV235 ) @ ( cons @ SV235 @ ( skaf43 @ SV235 @ SV161 ) ) )
          = SV161 )
        = $true )
      | ( ( ssItem @ SV235 )
        = $false )
      | ( ( memberP @ SV161 @ SV235 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1555]) ).

thf(1631,plain,
    ! [SV236: $i,SV285: $i,SV162: $i,SV258: $i] :
      ( ( ( ssItem @ SV258 )
        = $false )
      | ( ( ~ ( ssItem @ SV162 )
          | ~ ( ssList @ SV285 )
          | ~ ( ssList @ SV236 )
          | ( SV162 = SV258 ) )
        = $true )
      | ( ( ( cons @ SV162 @ SV236 )
          = ( cons @ SV258 @ SV285 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1556]) ).

thf(1632,plain,
    ! [SV237: $i,SV286: $i,SV163: $i,SV259: $i] :
      ( ( ( ssItem @ SV259 )
        = $false )
      | ( ( ~ ( ssItem @ SV163 )
          | ~ ( ssList @ SV286 )
          | ~ ( ssList @ SV237 )
          | ( SV286 = SV237 ) )
        = $true )
      | ( ( ( cons @ SV163 @ SV237 )
          = ( cons @ SV259 @ SV286 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1557]) ).

thf(1633,plain,
    ! [SV311: $i,SV164: $i,SV238: $i,SV332: $i] :
      ( ( ( ~ ( ssList @ SV332 )
          | ~ ( ssList @ SV238 )
          | ~ ( ssList @ SV164 )
          | ( segmentP @ ( app @ ( app @ SV332 @ SV164 ) @ SV311 ) @ SV238 ) )
        = $true )
      | ( ( ssList @ SV311 )
        = $false )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1558]) ).

thf(1634,plain,
    ! [SV287: $i,SV239: $i,SV165: $i,SV260: $i] :
      ( ( ( ssList @ SV260 )
        = $false )
      | ( ( ~ ( ssList @ SV165 )
          | ~ ( ssList @ SV239 )
          | ~ ( ssList @ SV287 )
          | ( segmentP @ SV287 @ SV239 ) )
        = $true )
      | ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
          = SV287 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1559]) ).

thf(1635,plain,
    ! [SV166: $i,SV261: $i,SV240: $i,SV288: $i] :
      ( ( ( ssList @ SV288 )
        = $false )
      | ( ( ~ ( ssList @ SV240 )
          | ~ ( ssItem @ SV261 )
          | ~ ( ssItem @ SV166 )
          | ( frontsegP @ SV240 @ SV288 ) )
        = $true )
      | ( ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1560]) ).

thf(1636,plain,
    ! [SV289: $i,SV241: $i,SV167: $i,SV262: $i] :
      ( ( ( ssList @ SV262 )
        = $false )
      | ( ( ~ ( ssList @ SV167 )
          | ~ ( ssItem @ SV241 )
          | ~ ( ssList @ SV289 )
          | ( memberP @ SV289 @ SV241 ) )
        = $true )
      | ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
          = SV289 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1561]) ).

thf(1637,plain,
    ! [SV168: $i,SV263: $i,SV242: $i,SV290: $i] :
      ( ( ( ssList @ SV290 )
        = $false )
      | ( ( ~ ( ssList @ SV242 )
          | ~ ( ssItem @ SV263 )
          | ~ ( ssItem @ SV168 )
          | ( SV168 = SV263 ) )
        = $true )
      | ( ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1562]) ).

thf(1638,plain,
    ! [SV243: $i,SV169: $i] :
      ( ( ( ssList @ SV169 )
        = $false )
      | ( ( ~ ( ssList @ SV243 )
          | ( nil = SV243 )
          | ( SV169 = SV243 )
          | ( nil = SV169 ) )
        = $true )
      | ( ( ( hd @ SV169 )
          = ( hd @ SV243 ) )
        = $false )
      | ( ( ( tl @ SV169 )
          = ( tl @ SV243 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1563]) ).

thf(1639,plain,
    ! [SV170: $i,SV244: $i,SV321: $i,SV312: $i] :
      ( ( ( SV312 = SV321 )
        = $false )
      | ( ( ~ ( ssList @ SV244 )
          | ~ ( ssList @ SV170 )
          | ~ ( ssItem @ SV321 )
          | ~ ( ssItem @ SV312 )
          | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) ) )
        = $true )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1564]) ).

thf(1640,plain,
    ! [SV313: $i,SV245: $i,SV171: $i,SV264: $i,SV291: $i] :
      ( ( ( ~ ( ssList @ SV291 ) )
        = $true )
      | ( ( ~ ( ssList @ SV264 )
          | ~ ( ssList @ SV171 )
          | ~ ( ssItem @ SV245 )
          | ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1565]) ).

thf(1641,plain,
    ! [SV314: $i,SV246: $i,SV265: $i,SV172: $i,SV292: $i] :
      ( ( ( ~ ( ssList @ SV292 ) )
        = $true )
      | ( ( ~ ( ssList @ SV172 )
          | ~ ( ssItem @ SV265 )
          | ~ ( ssItem @ SV246 )
          | ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1566]) ).

thf(1642,plain,
    ! [SV322: $i,SV315: $i,SV293: $i,SV266: $i,SV247: $i,SV173: $i] :
      ( ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false )
      | ( ( ~ ( ssList @ SV315 )
          | ~ ( ssList @ SV266 )
          | ~ ( ssList @ SV173 )
          | ~ ( ssItem @ SV293 )
          | ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1567]) ).

thf(1643,plain,
    ! [SV323: $i,SV316: $i,SV294: $i,SV267: $i,SV248: $i,SV174: $i] :
      ( ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false )
      | ( ( ~ ( ssList @ SV316 )
          | ~ ( ssList @ SV267 )
          | ~ ( ssList @ SV174 )
          | ~ ( ssItem @ SV294 )
          | ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1568]) ).

thf(1644,plain,
    ! [SV324: $i,SV317: $i,SV295: $i,SV268: $i,SV249: $i,SV175: $i] :
      ( ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false )
      | ( ( ~ ( ssList @ SV317 )
          | ~ ( ssList @ SV268 )
          | ~ ( ssList @ SV175 )
          | ~ ( ssItem @ SV295 )
          | ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1569]) ).

thf(1645,plain,
    ! [SV325: $i,SV318: $i,SV296: $i,SV269: $i,SV250: $i,SV176: $i] :
      ( ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false )
      | ( ( ~ ( ssList @ SV318 )
          | ~ ( ssList @ SV269 )
          | ~ ( ssList @ SV176 )
          | ~ ( ssItem @ SV296 )
          | ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[1570]) ).

thf(1646,plain,
    ! [SV297: $i,SV270: $i,SV177: $i,SV251: $i] :
      ( ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( ! [SY592: $i,SY593: $i] :
              ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SY592 ) )
               != SY593 )
              | ~ ( ssList @ SY592 )
              | ~ ( ssList @ SV297 )
              | ~ ( ssList @ SV270 )
              | ~ ( ssItem @ SV251 )
              | ~ ( ssItem @ SV177 )
              | ~ ( cyclefreeP @ SY593 )
              | ~ ( ssList @ SY593 ) ) )
        = $true )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1571]) ).

thf(1647,plain,
    ! [SV1: $i,SV271: $i,SV326: $i] :
      ( ( ( ssList @ SV326 )
        = $false )
      | ( ( ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SV326 )
           != sk2 )
          | ( ( app @ SV271 @ SV326 )
           != sk1 )
          | ( neq @ sk2 @ nil ) )
        = $true )
      | ( ( ssList @ SV271 )
        = $false )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1572]) ).

thf(1648,plain,
    ! [SV3: $i,SV272: $i,SV327: $i] :
      ( ( ( ssList @ SV327 )
        = $false )
      | ( ( ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SV327 )
           != sk2 )
          | ( ( app @ SV272 @ SV327 )
           != sk1 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( ssList @ SV272 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1574]) ).

thf(1649,plain,
    ! [SV4: $i] :
      ( ( ( neq @ sk4 @ nil )
        = $false )
      | ( ( geq @ SV4 @ sk5 )
        = $false )
      | ( ( memberP @ sk4 @ SV4 )
        = $false )
      | ( ( sk5 = SV4 )
        = $true )
      | ( ( ssItem @ SV4 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1575]) ).

thf(1650,plain,
    ! [SV102: $i,SV191: $i] :
      ( ( ( ssItem @ SV191 )
        = $false )
      | ( ( ssItem @ SV102 )
        = $false )
      | ( ( gt @ SV191 @ SV102 )
        = $false )
      | ( ( gt @ SV102 @ SV191 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1581]) ).

thf(1651,plain,
    ! [SV192: $i,SV103: $i] :
      ( ( ( ssItem @ SV103 )
        = $false )
      | ( ( ssItem @ SV192 )
        = $false )
      | ( ( lt @ SV103 @ SV192 )
        = $false )
      | ( ( SV103 = SV192 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1582]) ).

thf(1652,plain,
    ! [SV106: $i,SV193: $i] :
      ( ( ( ssItem @ SV193 )
        = $false )
      | ( ( ssItem @ SV106 )
        = $false )
      | ( ( lt @ SV193 @ SV106 )
        = $false )
      | ( ( lt @ SV106 @ SV193 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1585]) ).

thf(1653,plain,
    ! [SV194: $i,SV107: $i] :
      ( ( ( ssList @ SV107 )
        = $false )
      | ( ( ssList @ SV194 )
        = $false )
      | ( ( neq @ SV107 @ SV194 )
        = $false )
      | ( ( SV107 = SV194 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1586]) ).

thf(1654,plain,
    ! [SV196: $i,SV109: $i] :
      ( ( ( ssItem @ SV109 )
        = $false )
      | ( ( ssItem @ SV196 )
        = $false )
      | ( ( neq @ SV109 @ SV196 )
        = $false )
      | ( ( SV109 = SV196 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1588]) ).

thf(1655,plain,
    ! [SV199: $i,SV113: $i] :
      ( ( ( SV113 = SV199 )
        = $true )
      | ( ( lt @ SV113 @ SV199 )
        = $true )
      | ( ( ssItem @ SV113 )
        = $false )
      | ( ( ssItem @ SV199 )
        = $false )
      | ( ( leq @ SV113 @ SV199 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1591]) ).

thf(1656,plain,
    ! [SV200: $i,SV114: $i] :
      ( ( ( SV114 = SV200 )
        = $true )
      | ( ( lt @ SV114 @ SV200 )
        = $true )
      | ( ( ssItem @ SV114 )
        = $false )
      | ( ( ssItem @ SV200 )
        = $false )
      | ( ( leq @ SV114 @ SV200 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1592]) ).

thf(1657,plain,
    ! [SV116: $i,SV201: $i] :
      ( ( ( nil = SV201 )
        = $true )
      | ( ( strictorderedP @ SV201 )
        = $true )
      | ( ( ssItem @ SV116 )
        = $false )
      | ( ( ssList @ SV201 )
        = $false )
      | ( ( strictorderedP @ ( cons @ SV116 @ SV201 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1593]) ).

thf(1658,plain,
    ! [SV117: $i,SV202: $i] :
      ( ( ( nil = SV202 )
        = $true )
      | ( ( totalorderedP @ SV202 )
        = $true )
      | ( ( ssItem @ SV117 )
        = $false )
      | ( ( ssList @ SV202 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV117 @ SV202 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1594]) ).

thf(1659,plain,
    ! [SV118: $i,SV203: $i] :
      ( ( ( ~ ( ssItem @ SV203 ) )
        = $true )
      | ( ( SV203 = SV118 )
        = $true )
      | ( ( ssItem @ SV118 )
        = $false )
      | ( ( geq @ SV203 @ SV118 )
        = $false )
      | ( ( geq @ SV118 @ SV203 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1595]) ).

thf(1660,plain,
    ! [SV119: $i,SV204: $i] :
      ( ( ( ~ ( ssList @ SV204 ) )
        = $true )
      | ( ( SV204 = SV119 )
        = $true )
      | ( ( ssList @ SV119 )
        = $false )
      | ( ( segmentP @ SV204 @ SV119 )
        = $false )
      | ( ( segmentP @ SV119 @ SV204 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1596]) ).

thf(1661,plain,
    ! [SV120: $i,SV205: $i] :
      ( ( ( ~ ( ssList @ SV205 ) )
        = $true )
      | ( ( SV205 = SV120 )
        = $true )
      | ( ( ssList @ SV120 )
        = $false )
      | ( ( rearsegP @ SV205 @ SV120 )
        = $false )
      | ( ( rearsegP @ SV120 @ SV205 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1597]) ).

thf(1662,plain,
    ! [SV121: $i,SV206: $i] :
      ( ( ( ~ ( ssList @ SV206 ) )
        = $true )
      | ( ( SV206 = SV121 )
        = $true )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( frontsegP @ SV206 @ SV121 )
        = $false )
      | ( ( frontsegP @ SV121 @ SV206 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1598]) ).

thf(1663,plain,
    ! [SV122: $i,SV207: $i] :
      ( ( ( ~ ( ssItem @ SV207 ) )
        = $true )
      | ( ( SV207 = SV122 )
        = $true )
      | ( ( ssItem @ SV122 )
        = $false )
      | ( ( leq @ SV207 @ SV122 )
        = $false )
      | ( ( leq @ SV122 @ SV207 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1599]) ).

thf(1664,plain,
    ! [SV126: $i,SV210: $i] :
      ( ( ( nil = SV210 )
        = $true )
      | ( ( lt @ SV126 @ ( hd @ SV210 ) )
        = $true )
      | ( ( ssItem @ SV126 )
        = $false )
      | ( ( ssList @ SV210 )
        = $false )
      | ( ( strictorderedP @ ( cons @ SV126 @ SV210 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1602]) ).

thf(1665,plain,
    ! [SV127: $i,SV211: $i] :
      ( ( ( nil = SV211 )
        = $true )
      | ( ( leq @ SV127 @ ( hd @ SV211 ) )
        = $true )
      | ( ( ssItem @ SV127 )
        = $false )
      | ( ( ssList @ SV211 )
        = $false )
      | ( ( totalorderedP @ ( cons @ SV127 @ SV211 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1603]) ).

thf(1666,plain,
    ! [SV299: $i,SV128: $i,SV212: $i] :
      ( ( ( ssList @ SV212 )
        = $false )
      | ( ( ~ ( ssList @ SV128 )
          | ( rearsegP @ ( app @ SV299 @ SV128 ) @ SV212 ) )
        = $true )
      | ( ( ssList @ SV299 )
        = $false )
      | ( ( rearsegP @ SV128 @ SV212 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1604]) ).

thf(1667,plain,
    ! [SV300: $i,SV129: $i,SV213: $i] :
      ( ( ( ssList @ SV213 )
        = $false )
      | ( ( ~ ( ssList @ SV129 )
          | ( frontsegP @ ( app @ SV129 @ SV300 ) @ SV213 ) )
        = $true )
      | ( ( ssList @ SV300 )
        = $false )
      | ( ( frontsegP @ SV129 @ SV213 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1605]) ).

thf(1668,plain,
    ! [SV301: $i,SV130: $i,SV214: $i] :
      ( ( ( ssItem @ SV214 )
        = $false )
      | ( ( ~ ( ssItem @ SV130 )
          | ( memberP @ ( cons @ SV214 @ SV301 ) @ SV130 ) )
        = $true )
      | ( ( ssList @ SV301 )
        = $false )
      | ( ( SV130 = SV214 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1606]) ).

thf(1669,plain,
    ! [SV131: $i,SV215: $i,SV328: $i] :
      ( ( ( ssItem @ SV328 )
        = $false )
      | ( ( ~ ( ssItem @ SV215 )
          | ( memberP @ ( cons @ SV328 @ SV131 ) @ SV215 ) )
        = $true )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( memberP @ SV131 @ SV215 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1607]) ).

thf(1670,plain,
    ! [SV302: $i,SV216: $i,SV132: $i] :
      ( ( ( ssList @ SV132 )
        = $false )
      | ( ( ~ ( ssItem @ SV216 )
          | ( memberP @ ( app @ SV132 @ SV302 ) @ SV216 ) )
        = $true )
      | ( ( ssList @ SV302 )
        = $false )
      | ( ( memberP @ SV132 @ SV216 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1608]) ).

thf(1671,plain,
    ! [SV133: $i,SV217: $i,SV329: $i] :
      ( ( ( ssList @ SV329 )
        = $false )
      | ( ( ~ ( ssItem @ SV217 )
          | ( memberP @ ( app @ SV329 @ SV133 ) @ SV217 ) )
        = $true )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( memberP @ SV133 @ SV217 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1609]) ).

thf(1672,plain,
    ! [SV135: $i,SV252: $i,SV218: $i] :
      ( ( ( ssList @ SV218 )
        = $false )
      | ( ( ~ ( ssList @ SV252 )
          | ( rearsegP @ SV252 @ SV218 ) )
        = $true )
      | ( ( ssList @ SV135 )
        = $false )
      | ( ( ( app @ SV135 @ SV218 )
          = SV252 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1610]) ).

thf(1673,plain,
    ! [SV219: $i,SV253: $i,SV136: $i] :
      ( ( ( ssList @ SV136 )
        = $false )
      | ( ( ~ ( ssList @ SV253 )
          | ( frontsegP @ SV253 @ SV136 ) )
        = $true )
      | ( ( ssList @ SV219 )
        = $false )
      | ( ( ( app @ SV136 @ SV219 )
          = SV253 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1611]) ).

thf(1674,plain,
    ! [SV282: $i,SV137: $i] :
      ( ( ( ~ ( ssList @ SV137 ) )
        = $true )
      | ( ( ( app @ SV137 @ SV282 )
          = nil )
        = $true )
      | ( ( ssList @ SV282 )
        = $false )
      | ( ( nil = SV282 )
        = $false )
      | ( ( nil = SV137 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1612]) ).

thf(1675,plain,
    ! [SV138: $i,SV220: $i,SV303: $i] :
      ( ( ( ssItem @ SV303 )
        = $false )
      | ( ( ~ ( ssItem @ SV220 )
          | ~ ( ssItem @ SV138 )
          | ( gt @ SV138 @ SV303 ) )
        = $true )
      | ( ( gt @ SV220 @ SV303 )
        = $false )
      | ( ( gt @ SV138 @ SV220 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1613]) ).

thf(1676,plain,
    ! [SV139: $i,SV221: $i,SV304: $i] :
      ( ( ( ssItem @ SV304 )
        = $false )
      | ( ( ~ ( ssItem @ SV221 )
          | ~ ( ssItem @ SV139 )
          | ( lt @ SV139 @ SV304 ) )
        = $true )
      | ( ( lt @ SV221 @ SV304 )
        = $false )
      | ( ( leq @ SV139 @ SV221 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1614]) ).

thf(1677,plain,
    ! [SV140: $i,SV222: $i,SV305: $i] :
      ( ( ( ssItem @ SV305 )
        = $false )
      | ( ( ~ ( ssItem @ SV222 )
          | ~ ( ssItem @ SV140 )
          | ( geq @ SV140 @ SV305 ) )
        = $true )
      | ( ( geq @ SV222 @ SV305 )
        = $false )
      | ( ( geq @ SV140 @ SV222 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1615]) ).

thf(1678,plain,
    ! [SV141: $i,SV283: $i,SV330: $i] :
      ( ( ( ssList @ SV330 )
        = $false )
      | ( ( ( app @ ( app @ SV330 @ SV283 ) @ SV141 )
          = ( app @ SV330 @ ( app @ SV283 @ SV141 ) ) )
        = $true )
      | ( ( ssList @ SV283 )
        = $false )
      | ( ( ssList @ SV141 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1616]) ).

thf(1679,plain,
    ! [SV223: $i,SV254: $i,SV142: $i] :
      ( ( ( ssList @ SV142 )
        = $false )
      | ( ( ~ ( ssList @ SV254 )
          | ( SV223 = SV254 ) )
        = $true )
      | ( ( ssList @ SV223 )
        = $false )
      | ( ( ( app @ SV142 @ SV223 )
          = ( app @ SV142 @ SV254 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1617]) ).

thf(1680,plain,
    ! [SV143: $i,SV255: $i,SV224: $i] :
      ( ( ( ssList @ SV224 )
        = $false )
      | ( ( ~ ( ssList @ SV255 )
          | ( SV143 = SV255 ) )
        = $true )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ( app @ SV143 @ SV224 )
          = ( app @ SV255 @ SV224 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1618]) ).

thf(1681,plain,
    ! [SV144: $i,SV225: $i,SV306: $i] :
      ( ( ( ssList @ SV306 )
        = $false )
      | ( ( ~ ( ssList @ SV225 )
          | ~ ( ssList @ SV144 )
          | ( segmentP @ SV144 @ SV306 ) )
        = $true )
      | ( ( segmentP @ SV225 @ SV306 )
        = $false )
      | ( ( segmentP @ SV144 @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1619]) ).

thf(1682,plain,
    ! [SV145: $i,SV226: $i,SV307: $i] :
      ( ( ( ssList @ SV307 )
        = $false )
      | ( ( ~ ( ssList @ SV226 )
          | ~ ( ssList @ SV145 )
          | ( rearsegP @ SV145 @ SV307 ) )
        = $true )
      | ( ( rearsegP @ SV226 @ SV307 )
        = $false )
      | ( ( rearsegP @ SV145 @ SV226 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1620]) ).

thf(1683,plain,
    ! [SV146: $i,SV227: $i,SV308: $i] :
      ( ( ( ssList @ SV308 )
        = $false )
      | ( ( ~ ( ssList @ SV227 )
          | ~ ( ssList @ SV146 )
          | ( frontsegP @ SV146 @ SV308 ) )
        = $true )
      | ( ( frontsegP @ SV227 @ SV308 )
        = $false )
      | ( ( frontsegP @ SV146 @ SV227 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1621]) ).

thf(1684,plain,
    ! [SV147: $i,SV228: $i,SV309: $i] :
      ( ( ( ssItem @ SV309 )
        = $false )
      | ( ( ~ ( ssItem @ SV228 )
          | ~ ( ssItem @ SV147 )
          | ( lt @ SV147 @ SV309 ) )
        = $true )
      | ( ( lt @ SV228 @ SV309 )
        = $false )
      | ( ( lt @ SV147 @ SV228 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1622]) ).

thf(1685,plain,
    ! [SV148: $i,SV229: $i,SV310: $i] :
      ( ( ( ssItem @ SV310 )
        = $false )
      | ( ( ~ ( ssItem @ SV229 )
          | ~ ( ssItem @ SV148 )
          | ( leq @ SV148 @ SV310 ) )
        = $true )
      | ( ( leq @ SV229 @ SV310 )
        = $false )
      | ( ( leq @ SV148 @ SV229 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1623]) ).

thf(1686,plain,
    ! [SV284: $i,SV149: $i,SV331: $i] :
      ( ( ( ssList @ SV331 )
        = $false )
      | ( ( ( cons @ SV149 @ ( app @ SV284 @ SV331 ) )
          = ( app @ ( cons @ SV149 @ SV284 ) @ SV331 ) )
        = $true )
      | ( ( ssList @ SV284 )
        = $false )
      | ( ( ssItem @ SV149 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1624]) ).

thf(1687,plain,
    ! [SV230: $i,SV256: $i,SV150: $i] :
      ( ( ( ssList @ SV150 )
        = $false )
      | ( ( ~ ( ssItem @ SV256 )
          | ( memberP @ SV230 @ SV256 )
          | ( memberP @ SV150 @ SV256 ) )
        = $true )
      | ( ( ssList @ SV230 )
        = $false )
      | ( ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1625]) ).

thf(1688,plain,
    ! [SV231: $i,SV151: $i] :
      ( ( ( ~ ( ssItem @ SV151 ) )
        = $true )
      | ( ( ( nil = SV231 )
          | ( totalorderedP @ ( cons @ SV151 @ SV231 ) ) )
        = $true )
      | ( ( ssList @ SV231 )
        = $false )
      | ( ( totalorderedP @ SV231 )
        = $false )
      | ( ( leq @ SV151 @ ( hd @ SV231 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1626]) ).

thf(1689,plain,
    ! [SV232: $i,SV152: $i] :
      ( ( ( ~ ( ssItem @ SV152 ) )
        = $true )
      | ( ( ( nil = SV232 )
          | ( strictorderedP @ ( cons @ SV152 @ SV232 ) ) )
        = $true )
      | ( ( ssList @ SV232 )
        = $false )
      | ( ( strictorderedP @ SV232 )
        = $false )
      | ( ( lt @ SV152 @ ( hd @ SV232 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1627]) ).

thf(1690,plain,
    ! [SV233: $i,SV257: $i,SV153: $i] :
      ( ( ( ssItem @ SV153 )
        = $false )
      | ( ( ~ ( ssItem @ SV257 )
          | ( SV257 = SV153 )
          | ( memberP @ SV233 @ SV257 ) )
        = $true )
      | ( ( ssList @ SV233 )
        = $false )
      | ( ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1628]) ).

thf(1691,plain,
    ! [SV258: $i,SV236: $i,SV285: $i,SV162: $i] :
      ( ( ( ~ ( ssItem @ SV162 ) )
        = $true )
      | ( ( ~ ( ssList @ SV285 )
          | ~ ( ssList @ SV236 )
          | ( SV162 = SV258 ) )
        = $true )
      | ( ( ssItem @ SV258 )
        = $false )
      | ( ( ( cons @ SV162 @ SV236 )
          = ( cons @ SV258 @ SV285 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1631]) ).

thf(1692,plain,
    ! [SV259: $i,SV237: $i,SV286: $i,SV163: $i] :
      ( ( ( ~ ( ssItem @ SV163 ) )
        = $true )
      | ( ( ~ ( ssList @ SV286 )
          | ~ ( ssList @ SV237 )
          | ( SV286 = SV237 ) )
        = $true )
      | ( ( ssItem @ SV259 )
        = $false )
      | ( ( ( cons @ SV163 @ SV237 )
          = ( cons @ SV259 @ SV286 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1632]) ).

thf(1693,plain,
    ! [SV311: $i,SV164: $i,SV238: $i,SV332: $i] :
      ( ( ( ~ ( ssList @ SV332 ) )
        = $true )
      | ( ( ~ ( ssList @ SV238 )
          | ~ ( ssList @ SV164 )
          | ( segmentP @ ( app @ ( app @ SV332 @ SV164 ) @ SV311 ) @ SV238 ) )
        = $true )
      | ( ( ssList @ SV311 )
        = $false )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1633]) ).

thf(1694,plain,
    ! [SV260: $i,SV287: $i,SV239: $i,SV165: $i] :
      ( ( ( ~ ( ssList @ SV165 ) )
        = $true )
      | ( ( ~ ( ssList @ SV239 )
          | ~ ( ssList @ SV287 )
          | ( segmentP @ SV287 @ SV239 ) )
        = $true )
      | ( ( ssList @ SV260 )
        = $false )
      | ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
          = SV287 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1634]) ).

thf(1695,plain,
    ! [SV288: $i,SV166: $i,SV261: $i,SV240: $i] :
      ( ( ( ~ ( ssList @ SV240 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV261 )
          | ~ ( ssItem @ SV166 )
          | ( frontsegP @ SV240 @ SV288 ) )
        = $true )
      | ( ( ssList @ SV288 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1635]) ).

thf(1696,plain,
    ! [SV262: $i,SV289: $i,SV241: $i,SV167: $i] :
      ( ( ( ~ ( ssList @ SV167 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV241 )
          | ~ ( ssList @ SV289 )
          | ( memberP @ SV289 @ SV241 ) )
        = $true )
      | ( ( ssList @ SV262 )
        = $false )
      | ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
          = SV289 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1636]) ).

thf(1697,plain,
    ! [SV290: $i,SV168: $i,SV263: $i,SV242: $i] :
      ( ( ( ~ ( ssList @ SV242 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV263 )
          | ~ ( ssItem @ SV168 )
          | ( SV168 = SV263 ) )
        = $true )
      | ( ( ssList @ SV290 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1637]) ).

thf(1698,plain,
    ! [SV169: $i,SV243: $i] :
      ( ( ( ~ ( ssList @ SV243 ) )
        = $true )
      | ( ( ( nil = SV243 )
          | ( SV169 = SV243 )
          | ( nil = SV169 ) )
        = $true )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ( hd @ SV169 )
          = ( hd @ SV243 ) )
        = $false )
      | ( ( ( tl @ SV169 )
          = ( tl @ SV243 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1638]) ).

thf(1699,plain,
    ! [SV312: $i,SV321: $i,SV170: $i,SV244: $i] :
      ( ( ( ~ ( ssList @ SV244 ) )
        = $true )
      | ( ( ~ ( ssList @ SV170 )
          | ~ ( ssItem @ SV321 )
          | ~ ( ssItem @ SV312 )
          | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) ) )
        = $true )
      | ( ( SV312 = SV321 )
        = $false )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1639]) ).

thf(1700,plain,
    ! [SV313: $i,SV245: $i,SV171: $i,SV264: $i,SV291: $i] :
      ( ( ( ssList @ SV291 )
        = $false )
      | ( ( ~ ( ssList @ SV264 )
          | ~ ( ssList @ SV171 )
          | ~ ( ssItem @ SV245 )
          | ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1640]) ).

thf(1701,plain,
    ! [SV314: $i,SV246: $i,SV265: $i,SV172: $i,SV292: $i] :
      ( ( ( ssList @ SV292 )
        = $false )
      | ( ( ~ ( ssList @ SV172 )
          | ~ ( ssItem @ SV265 )
          | ~ ( ssItem @ SV246 )
          | ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1641]) ).

thf(1702,plain,
    ! [SV322: $i,SV247: $i,SV293: $i,SV173: $i,SV266: $i,SV315: $i] :
      ( ( ( ~ ( ssList @ SV315 ) )
        = $true )
      | ( ( ~ ( ssList @ SV266 )
          | ~ ( ssList @ SV173 )
          | ~ ( ssItem @ SV293 )
          | ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1642]) ).

thf(1703,plain,
    ! [SV323: $i,SV248: $i,SV294: $i,SV174: $i,SV267: $i,SV316: $i] :
      ( ( ( ~ ( ssList @ SV316 ) )
        = $true )
      | ( ( ~ ( ssList @ SV267 )
          | ~ ( ssList @ SV174 )
          | ~ ( ssItem @ SV294 )
          | ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1643]) ).

thf(1704,plain,
    ! [SV324: $i,SV249: $i,SV295: $i,SV175: $i,SV268: $i,SV317: $i] :
      ( ( ( ~ ( ssList @ SV317 ) )
        = $true )
      | ( ( ~ ( ssList @ SV268 )
          | ~ ( ssList @ SV175 )
          | ~ ( ssItem @ SV295 )
          | ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1644]) ).

thf(1705,plain,
    ! [SV325: $i,SV250: $i,SV296: $i,SV176: $i,SV269: $i,SV318: $i] :
      ( ( ( ~ ( ssList @ SV318 ) )
        = $true )
      | ( ( ~ ( ssList @ SV269 )
          | ~ ( ssList @ SV176 )
          | ~ ( ssItem @ SV296 )
          | ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1645]) ).

thf(1706,plain,
    ! [SV333: $i,SV251: $i,SV297: $i,SV177: $i,SV270: $i] :
      ( ( ( ! [SY600: $i] :
              ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
               != SY600 )
              | ~ ( ssList @ SV333 )
              | ~ ( ssList @ SV297 )
              | ~ ( ssList @ SV270 )
              | ~ ( ssItem @ SV251 )
              | ~ ( ssItem @ SV177 )
              | ~ ( cyclefreeP @ SY600 )
              | ~ ( ssList @ SY600 ) ) )
        = $true )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1646]) ).

thf(1707,plain,
    ! [SV326: $i,SV1: $i,SV271: $i] :
      ( ( ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SV326 )
         != sk2 )
        = $true )
      | ( ( ( ( app @ SV271 @ SV326 )
           != sk1 )
          | ( neq @ sk2 @ nil ) )
        = $true )
      | ( ( ssList @ SV326 )
        = $false )
      | ( ( ssList @ SV271 )
        = $false )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1647]) ).

thf(1708,plain,
    ! [SV327: $i,SV3: $i,SV272: $i] :
      ( ( ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SV327 )
         != sk2 )
        = $true )
      | ( ( ( ( app @ SV272 @ SV327 )
           != sk1 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( ssList @ SV327 )
        = $false )
      | ( ( ssList @ SV272 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1648]) ).

thf(1709,plain,
    ! [SV118: $i,SV203: $i] :
      ( ( ( ssItem @ SV203 )
        = $false )
      | ( ( SV203 = SV118 )
        = $true )
      | ( ( ssItem @ SV118 )
        = $false )
      | ( ( geq @ SV203 @ SV118 )
        = $false )
      | ( ( geq @ SV118 @ SV203 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1659]) ).

thf(1710,plain,
    ! [SV119: $i,SV204: $i] :
      ( ( ( ssList @ SV204 )
        = $false )
      | ( ( SV204 = SV119 )
        = $true )
      | ( ( ssList @ SV119 )
        = $false )
      | ( ( segmentP @ SV204 @ SV119 )
        = $false )
      | ( ( segmentP @ SV119 @ SV204 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1660]) ).

thf(1711,plain,
    ! [SV120: $i,SV205: $i] :
      ( ( ( ssList @ SV205 )
        = $false )
      | ( ( SV205 = SV120 )
        = $true )
      | ( ( ssList @ SV120 )
        = $false )
      | ( ( rearsegP @ SV205 @ SV120 )
        = $false )
      | ( ( rearsegP @ SV120 @ SV205 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1661]) ).

thf(1712,plain,
    ! [SV121: $i,SV206: $i] :
      ( ( ( ssList @ SV206 )
        = $false )
      | ( ( SV206 = SV121 )
        = $true )
      | ( ( ssList @ SV121 )
        = $false )
      | ( ( frontsegP @ SV206 @ SV121 )
        = $false )
      | ( ( frontsegP @ SV121 @ SV206 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1662]) ).

thf(1713,plain,
    ! [SV122: $i,SV207: $i] :
      ( ( ( ssItem @ SV207 )
        = $false )
      | ( ( SV207 = SV122 )
        = $true )
      | ( ( ssItem @ SV122 )
        = $false )
      | ( ( leq @ SV207 @ SV122 )
        = $false )
      | ( ( leq @ SV122 @ SV207 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1663]) ).

thf(1714,plain,
    ! [SV212: $i,SV299: $i,SV128: $i] :
      ( ( ( ~ ( ssList @ SV128 ) )
        = $true )
      | ( ( rearsegP @ ( app @ SV299 @ SV128 ) @ SV212 )
        = $true )
      | ( ( ssList @ SV212 )
        = $false )
      | ( ( ssList @ SV299 )
        = $false )
      | ( ( rearsegP @ SV128 @ SV212 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1666]) ).

thf(1715,plain,
    ! [SV213: $i,SV300: $i,SV129: $i] :
      ( ( ( ~ ( ssList @ SV129 ) )
        = $true )
      | ( ( frontsegP @ ( app @ SV129 @ SV300 ) @ SV213 )
        = $true )
      | ( ( ssList @ SV213 )
        = $false )
      | ( ( ssList @ SV300 )
        = $false )
      | ( ( frontsegP @ SV129 @ SV213 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1667]) ).

thf(1716,plain,
    ! [SV301: $i,SV214: $i,SV130: $i] :
      ( ( ( ~ ( ssItem @ SV130 ) )
        = $true )
      | ( ( memberP @ ( cons @ SV214 @ SV301 ) @ SV130 )
        = $true )
      | ( ( ssItem @ SV214 )
        = $false )
      | ( ( ssList @ SV301 )
        = $false )
      | ( ( SV130 = SV214 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1668]) ).

thf(1717,plain,
    ! [SV131: $i,SV328: $i,SV215: $i] :
      ( ( ( ~ ( ssItem @ SV215 ) )
        = $true )
      | ( ( memberP @ ( cons @ SV328 @ SV131 ) @ SV215 )
        = $true )
      | ( ( ssItem @ SV328 )
        = $false )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( memberP @ SV131 @ SV215 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1669]) ).

thf(1718,plain,
    ! [SV302: $i,SV132: $i,SV216: $i] :
      ( ( ( ~ ( ssItem @ SV216 ) )
        = $true )
      | ( ( memberP @ ( app @ SV132 @ SV302 ) @ SV216 )
        = $true )
      | ( ( ssList @ SV132 )
        = $false )
      | ( ( ssList @ SV302 )
        = $false )
      | ( ( memberP @ SV132 @ SV216 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1670]) ).

thf(1719,plain,
    ! [SV133: $i,SV329: $i,SV217: $i] :
      ( ( ( ~ ( ssItem @ SV217 ) )
        = $true )
      | ( ( memberP @ ( app @ SV329 @ SV133 ) @ SV217 )
        = $true )
      | ( ( ssList @ SV329 )
        = $false )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( memberP @ SV133 @ SV217 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1671]) ).

thf(1720,plain,
    ! [SV135: $i,SV218: $i,SV252: $i] :
      ( ( ( ~ ( ssList @ SV252 ) )
        = $true )
      | ( ( rearsegP @ SV252 @ SV218 )
        = $true )
      | ( ( ssList @ SV218 )
        = $false )
      | ( ( ssList @ SV135 )
        = $false )
      | ( ( ( app @ SV135 @ SV218 )
          = SV252 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1672]) ).

thf(1721,plain,
    ! [SV219: $i,SV136: $i,SV253: $i] :
      ( ( ( ~ ( ssList @ SV253 ) )
        = $true )
      | ( ( frontsegP @ SV253 @ SV136 )
        = $true )
      | ( ( ssList @ SV136 )
        = $false )
      | ( ( ssList @ SV219 )
        = $false )
      | ( ( ( app @ SV136 @ SV219 )
          = SV253 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1673]) ).

thf(1722,plain,
    ! [SV282: $i,SV137: $i] :
      ( ( ( ssList @ SV137 )
        = $false )
      | ( ( ( app @ SV137 @ SV282 )
          = nil )
        = $true )
      | ( ( ssList @ SV282 )
        = $false )
      | ( ( nil = SV282 )
        = $false )
      | ( ( nil = SV137 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1674]) ).

thf(1723,plain,
    ! [SV303: $i,SV138: $i,SV220: $i] :
      ( ( ( ~ ( ssItem @ SV220 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV138 )
          | ( gt @ SV138 @ SV303 ) )
        = $true )
      | ( ( ssItem @ SV303 )
        = $false )
      | ( ( gt @ SV220 @ SV303 )
        = $false )
      | ( ( gt @ SV138 @ SV220 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1675]) ).

thf(1724,plain,
    ! [SV304: $i,SV139: $i,SV221: $i] :
      ( ( ( ~ ( ssItem @ SV221 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV139 )
          | ( lt @ SV139 @ SV304 ) )
        = $true )
      | ( ( ssItem @ SV304 )
        = $false )
      | ( ( lt @ SV221 @ SV304 )
        = $false )
      | ( ( leq @ SV139 @ SV221 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1676]) ).

thf(1725,plain,
    ! [SV305: $i,SV140: $i,SV222: $i] :
      ( ( ( ~ ( ssItem @ SV222 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV140 )
          | ( geq @ SV140 @ SV305 ) )
        = $true )
      | ( ( ssItem @ SV305 )
        = $false )
      | ( ( geq @ SV222 @ SV305 )
        = $false )
      | ( ( geq @ SV140 @ SV222 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1677]) ).

thf(1726,plain,
    ! [SV142: $i,SV223: $i,SV254: $i] :
      ( ( ( ~ ( ssList @ SV254 ) )
        = $true )
      | ( ( SV223 = SV254 )
        = $true )
      | ( ( ssList @ SV142 )
        = $false )
      | ( ( ssList @ SV223 )
        = $false )
      | ( ( ( app @ SV142 @ SV223 )
          = ( app @ SV142 @ SV254 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1679]) ).

thf(1727,plain,
    ! [SV224: $i,SV143: $i,SV255: $i] :
      ( ( ( ~ ( ssList @ SV255 ) )
        = $true )
      | ( ( SV143 = SV255 )
        = $true )
      | ( ( ssList @ SV224 )
        = $false )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ( app @ SV143 @ SV224 )
          = ( app @ SV255 @ SV224 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1680]) ).

thf(1728,plain,
    ! [SV306: $i,SV144: $i,SV225: $i] :
      ( ( ( ~ ( ssList @ SV225 ) )
        = $true )
      | ( ( ~ ( ssList @ SV144 )
          | ( segmentP @ SV144 @ SV306 ) )
        = $true )
      | ( ( ssList @ SV306 )
        = $false )
      | ( ( segmentP @ SV225 @ SV306 )
        = $false )
      | ( ( segmentP @ SV144 @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1681]) ).

thf(1729,plain,
    ! [SV307: $i,SV145: $i,SV226: $i] :
      ( ( ( ~ ( ssList @ SV226 ) )
        = $true )
      | ( ( ~ ( ssList @ SV145 )
          | ( rearsegP @ SV145 @ SV307 ) )
        = $true )
      | ( ( ssList @ SV307 )
        = $false )
      | ( ( rearsegP @ SV226 @ SV307 )
        = $false )
      | ( ( rearsegP @ SV145 @ SV226 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1682]) ).

thf(1730,plain,
    ! [SV308: $i,SV146: $i,SV227: $i] :
      ( ( ( ~ ( ssList @ SV227 ) )
        = $true )
      | ( ( ~ ( ssList @ SV146 )
          | ( frontsegP @ SV146 @ SV308 ) )
        = $true )
      | ( ( ssList @ SV308 )
        = $false )
      | ( ( frontsegP @ SV227 @ SV308 )
        = $false )
      | ( ( frontsegP @ SV146 @ SV227 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1683]) ).

thf(1731,plain,
    ! [SV309: $i,SV147: $i,SV228: $i] :
      ( ( ( ~ ( ssItem @ SV228 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV147 )
          | ( lt @ SV147 @ SV309 ) )
        = $true )
      | ( ( ssItem @ SV309 )
        = $false )
      | ( ( lt @ SV228 @ SV309 )
        = $false )
      | ( ( lt @ SV147 @ SV228 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1684]) ).

thf(1732,plain,
    ! [SV310: $i,SV148: $i,SV229: $i] :
      ( ( ( ~ ( ssItem @ SV229 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV148 )
          | ( leq @ SV148 @ SV310 ) )
        = $true )
      | ( ( ssItem @ SV310 )
        = $false )
      | ( ( leq @ SV229 @ SV310 )
        = $false )
      | ( ( leq @ SV148 @ SV229 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1685]) ).

thf(1733,plain,
    ! [SV150: $i,SV230: $i,SV256: $i] :
      ( ( ( ~ ( ssItem @ SV256 ) )
        = $true )
      | ( ( ( memberP @ SV230 @ SV256 )
          | ( memberP @ SV150 @ SV256 ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV230 )
        = $false )
      | ( ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1687]) ).

thf(1734,plain,
    ! [SV231: $i,SV151: $i] :
      ( ( ( ssItem @ SV151 )
        = $false )
      | ( ( ( nil = SV231 )
          | ( totalorderedP @ ( cons @ SV151 @ SV231 ) ) )
        = $true )
      | ( ( ssList @ SV231 )
        = $false )
      | ( ( totalorderedP @ SV231 )
        = $false )
      | ( ( leq @ SV151 @ ( hd @ SV231 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1688]) ).

thf(1735,plain,
    ! [SV232: $i,SV152: $i] :
      ( ( ( ssItem @ SV152 )
        = $false )
      | ( ( ( nil = SV232 )
          | ( strictorderedP @ ( cons @ SV152 @ SV232 ) ) )
        = $true )
      | ( ( ssList @ SV232 )
        = $false )
      | ( ( strictorderedP @ SV232 )
        = $false )
      | ( ( lt @ SV152 @ ( hd @ SV232 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1689]) ).

thf(1736,plain,
    ! [SV233: $i,SV153: $i,SV257: $i] :
      ( ( ( ~ ( ssItem @ SV257 ) )
        = $true )
      | ( ( ( SV257 = SV153 )
          | ( memberP @ SV233 @ SV257 ) )
        = $true )
      | ( ( ssItem @ SV153 )
        = $false )
      | ( ( ssList @ SV233 )
        = $false )
      | ( ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1690]) ).

thf(1737,plain,
    ! [SV258: $i,SV236: $i,SV285: $i,SV162: $i] :
      ( ( ( ssItem @ SV162 )
        = $false )
      | ( ( ~ ( ssList @ SV285 )
          | ~ ( ssList @ SV236 )
          | ( SV162 = SV258 ) )
        = $true )
      | ( ( ssItem @ SV258 )
        = $false )
      | ( ( ( cons @ SV162 @ SV236 )
          = ( cons @ SV258 @ SV285 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1691]) ).

thf(1738,plain,
    ! [SV259: $i,SV237: $i,SV286: $i,SV163: $i] :
      ( ( ( ssItem @ SV163 )
        = $false )
      | ( ( ~ ( ssList @ SV286 )
          | ~ ( ssList @ SV237 )
          | ( SV286 = SV237 ) )
        = $true )
      | ( ( ssItem @ SV259 )
        = $false )
      | ( ( ( cons @ SV163 @ SV237 )
          = ( cons @ SV259 @ SV286 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1692]) ).

thf(1739,plain,
    ! [SV311: $i,SV164: $i,SV238: $i,SV332: $i] :
      ( ( ( ssList @ SV332 )
        = $false )
      | ( ( ~ ( ssList @ SV238 )
          | ~ ( ssList @ SV164 )
          | ( segmentP @ ( app @ ( app @ SV332 @ SV164 ) @ SV311 ) @ SV238 ) )
        = $true )
      | ( ( ssList @ SV311 )
        = $false )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1693]) ).

thf(1740,plain,
    ! [SV260: $i,SV287: $i,SV239: $i,SV165: $i] :
      ( ( ( ssList @ SV165 )
        = $false )
      | ( ( ~ ( ssList @ SV239 )
          | ~ ( ssList @ SV287 )
          | ( segmentP @ SV287 @ SV239 ) )
        = $true )
      | ( ( ssList @ SV260 )
        = $false )
      | ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
          = SV287 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1694]) ).

thf(1741,plain,
    ! [SV288: $i,SV166: $i,SV261: $i,SV240: $i] :
      ( ( ( ssList @ SV240 )
        = $false )
      | ( ( ~ ( ssItem @ SV261 )
          | ~ ( ssItem @ SV166 )
          | ( frontsegP @ SV240 @ SV288 ) )
        = $true )
      | ( ( ssList @ SV288 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1695]) ).

thf(1742,plain,
    ! [SV262: $i,SV289: $i,SV241: $i,SV167: $i] :
      ( ( ( ssList @ SV167 )
        = $false )
      | ( ( ~ ( ssItem @ SV241 )
          | ~ ( ssList @ SV289 )
          | ( memberP @ SV289 @ SV241 ) )
        = $true )
      | ( ( ssList @ SV262 )
        = $false )
      | ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
          = SV289 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1696]) ).

thf(1743,plain,
    ! [SV290: $i,SV168: $i,SV263: $i,SV242: $i] :
      ( ( ( ssList @ SV242 )
        = $false )
      | ( ( ~ ( ssItem @ SV263 )
          | ~ ( ssItem @ SV168 )
          | ( SV168 = SV263 ) )
        = $true )
      | ( ( ssList @ SV290 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1697]) ).

thf(1744,plain,
    ! [SV169: $i,SV243: $i] :
      ( ( ( ssList @ SV243 )
        = $false )
      | ( ( ( nil = SV243 )
          | ( SV169 = SV243 )
          | ( nil = SV169 ) )
        = $true )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ( hd @ SV169 )
          = ( hd @ SV243 ) )
        = $false )
      | ( ( ( tl @ SV169 )
          = ( tl @ SV243 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1698]) ).

thf(1745,plain,
    ! [SV312: $i,SV321: $i,SV170: $i,SV244: $i] :
      ( ( ( ssList @ SV244 )
        = $false )
      | ( ( ~ ( ssList @ SV170 )
          | ~ ( ssItem @ SV321 )
          | ~ ( ssItem @ SV312 )
          | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) ) )
        = $true )
      | ( ( SV312 = SV321 )
        = $false )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1699]) ).

thf(1746,plain,
    ! [SV291: $i,SV313: $i,SV245: $i,SV171: $i,SV264: $i] :
      ( ( ( ~ ( ssList @ SV264 ) )
        = $true )
      | ( ( ~ ( ssList @ SV171 )
          | ~ ( ssItem @ SV245 )
          | ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ssList @ SV291 )
        = $false )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1700]) ).

thf(1747,plain,
    ! [SV292: $i,SV314: $i,SV246: $i,SV265: $i,SV172: $i] :
      ( ( ( ~ ( ssList @ SV172 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV265 )
          | ~ ( ssItem @ SV246 )
          | ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1701]) ).

thf(1748,plain,
    ! [SV322: $i,SV247: $i,SV293: $i,SV173: $i,SV266: $i,SV315: $i] :
      ( ( ( ssList @ SV315 )
        = $false )
      | ( ( ~ ( ssList @ SV266 )
          | ~ ( ssList @ SV173 )
          | ~ ( ssItem @ SV293 )
          | ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1702]) ).

thf(1749,plain,
    ! [SV323: $i,SV248: $i,SV294: $i,SV174: $i,SV267: $i,SV316: $i] :
      ( ( ( ssList @ SV316 )
        = $false )
      | ( ( ~ ( ssList @ SV267 )
          | ~ ( ssList @ SV174 )
          | ~ ( ssItem @ SV294 )
          | ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1703]) ).

thf(1750,plain,
    ! [SV324: $i,SV249: $i,SV295: $i,SV175: $i,SV268: $i,SV317: $i] :
      ( ( ( ssList @ SV317 )
        = $false )
      | ( ( ~ ( ssList @ SV268 )
          | ~ ( ssList @ SV175 )
          | ~ ( ssItem @ SV295 )
          | ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1704]) ).

thf(1751,plain,
    ! [SV325: $i,SV250: $i,SV296: $i,SV176: $i,SV269: $i,SV318: $i] :
      ( ( ( ssList @ SV318 )
        = $false )
      | ( ( ~ ( ssList @ SV269 )
          | ~ ( ssList @ SV176 )
          | ~ ( ssItem @ SV296 )
          | ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1705]) ).

thf(1752,plain,
    ! [SV334: $i,SV333: $i,SV251: $i,SV297: $i,SV177: $i,SV270: $i] :
      ( ( ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
           != SV334 )
          | ~ ( ssList @ SV333 )
          | ~ ( ssList @ SV297 )
          | ~ ( ssList @ SV270 )
          | ~ ( ssItem @ SV251 )
          | ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[1706]) ).

thf(1753,plain,
    ! [SV326: $i,SV1: $i,SV271: $i] :
      ( ( ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SV326 )
          = sk2 )
        = $false )
      | ( ( ( ( app @ SV271 @ SV326 )
           != sk1 )
          | ( neq @ sk2 @ nil ) )
        = $true )
      | ( ( ssList @ SV326 )
        = $false )
      | ( ( ssList @ SV271 )
        = $false )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1707]) ).

thf(1754,plain,
    ! [SV327: $i,SV3: $i,SV272: $i] :
      ( ( ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SV327 )
          = sk2 )
        = $false )
      | ( ( ( ( app @ SV272 @ SV327 )
           != sk1 )
          | ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( ssList @ SV327 )
        = $false )
      | ( ( ssList @ SV272 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1708]) ).

thf(1755,plain,
    ! [SV212: $i,SV299: $i,SV128: $i] :
      ( ( ( ssList @ SV128 )
        = $false )
      | ( ( rearsegP @ ( app @ SV299 @ SV128 ) @ SV212 )
        = $true )
      | ( ( ssList @ SV212 )
        = $false )
      | ( ( ssList @ SV299 )
        = $false )
      | ( ( rearsegP @ SV128 @ SV212 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1714]) ).

thf(1756,plain,
    ! [SV213: $i,SV300: $i,SV129: $i] :
      ( ( ( ssList @ SV129 )
        = $false )
      | ( ( frontsegP @ ( app @ SV129 @ SV300 ) @ SV213 )
        = $true )
      | ( ( ssList @ SV213 )
        = $false )
      | ( ( ssList @ SV300 )
        = $false )
      | ( ( frontsegP @ SV129 @ SV213 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1715]) ).

thf(1757,plain,
    ! [SV301: $i,SV214: $i,SV130: $i] :
      ( ( ( ssItem @ SV130 )
        = $false )
      | ( ( memberP @ ( cons @ SV214 @ SV301 ) @ SV130 )
        = $true )
      | ( ( ssItem @ SV214 )
        = $false )
      | ( ( ssList @ SV301 )
        = $false )
      | ( ( SV130 = SV214 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1716]) ).

thf(1758,plain,
    ! [SV131: $i,SV328: $i,SV215: $i] :
      ( ( ( ssItem @ SV215 )
        = $false )
      | ( ( memberP @ ( cons @ SV328 @ SV131 ) @ SV215 )
        = $true )
      | ( ( ssItem @ SV328 )
        = $false )
      | ( ( ssList @ SV131 )
        = $false )
      | ( ( memberP @ SV131 @ SV215 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1717]) ).

thf(1759,plain,
    ! [SV302: $i,SV132: $i,SV216: $i] :
      ( ( ( ssItem @ SV216 )
        = $false )
      | ( ( memberP @ ( app @ SV132 @ SV302 ) @ SV216 )
        = $true )
      | ( ( ssList @ SV132 )
        = $false )
      | ( ( ssList @ SV302 )
        = $false )
      | ( ( memberP @ SV132 @ SV216 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1718]) ).

thf(1760,plain,
    ! [SV133: $i,SV329: $i,SV217: $i] :
      ( ( ( ssItem @ SV217 )
        = $false )
      | ( ( memberP @ ( app @ SV329 @ SV133 ) @ SV217 )
        = $true )
      | ( ( ssList @ SV329 )
        = $false )
      | ( ( ssList @ SV133 )
        = $false )
      | ( ( memberP @ SV133 @ SV217 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1719]) ).

thf(1761,plain,
    ! [SV135: $i,SV218: $i,SV252: $i] :
      ( ( ( ssList @ SV252 )
        = $false )
      | ( ( rearsegP @ SV252 @ SV218 )
        = $true )
      | ( ( ssList @ SV218 )
        = $false )
      | ( ( ssList @ SV135 )
        = $false )
      | ( ( ( app @ SV135 @ SV218 )
          = SV252 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1720]) ).

thf(1762,plain,
    ! [SV219: $i,SV136: $i,SV253: $i] :
      ( ( ( ssList @ SV253 )
        = $false )
      | ( ( frontsegP @ SV253 @ SV136 )
        = $true )
      | ( ( ssList @ SV136 )
        = $false )
      | ( ( ssList @ SV219 )
        = $false )
      | ( ( ( app @ SV136 @ SV219 )
          = SV253 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1721]) ).

thf(1763,plain,
    ! [SV303: $i,SV138: $i,SV220: $i] :
      ( ( ( ssItem @ SV220 )
        = $false )
      | ( ( ~ ( ssItem @ SV138 )
          | ( gt @ SV138 @ SV303 ) )
        = $true )
      | ( ( ssItem @ SV303 )
        = $false )
      | ( ( gt @ SV220 @ SV303 )
        = $false )
      | ( ( gt @ SV138 @ SV220 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1723]) ).

thf(1764,plain,
    ! [SV304: $i,SV139: $i,SV221: $i] :
      ( ( ( ssItem @ SV221 )
        = $false )
      | ( ( ~ ( ssItem @ SV139 )
          | ( lt @ SV139 @ SV304 ) )
        = $true )
      | ( ( ssItem @ SV304 )
        = $false )
      | ( ( lt @ SV221 @ SV304 )
        = $false )
      | ( ( leq @ SV139 @ SV221 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1724]) ).

thf(1765,plain,
    ! [SV305: $i,SV140: $i,SV222: $i] :
      ( ( ( ssItem @ SV222 )
        = $false )
      | ( ( ~ ( ssItem @ SV140 )
          | ( geq @ SV140 @ SV305 ) )
        = $true )
      | ( ( ssItem @ SV305 )
        = $false )
      | ( ( geq @ SV222 @ SV305 )
        = $false )
      | ( ( geq @ SV140 @ SV222 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1725]) ).

thf(1766,plain,
    ! [SV142: $i,SV223: $i,SV254: $i] :
      ( ( ( ssList @ SV254 )
        = $false )
      | ( ( SV223 = SV254 )
        = $true )
      | ( ( ssList @ SV142 )
        = $false )
      | ( ( ssList @ SV223 )
        = $false )
      | ( ( ( app @ SV142 @ SV223 )
          = ( app @ SV142 @ SV254 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1726]) ).

thf(1767,plain,
    ! [SV224: $i,SV143: $i,SV255: $i] :
      ( ( ( ssList @ SV255 )
        = $false )
      | ( ( SV143 = SV255 )
        = $true )
      | ( ( ssList @ SV224 )
        = $false )
      | ( ( ssList @ SV143 )
        = $false )
      | ( ( ( app @ SV143 @ SV224 )
          = ( app @ SV255 @ SV224 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1727]) ).

thf(1768,plain,
    ! [SV306: $i,SV144: $i,SV225: $i] :
      ( ( ( ssList @ SV225 )
        = $false )
      | ( ( ~ ( ssList @ SV144 )
          | ( segmentP @ SV144 @ SV306 ) )
        = $true )
      | ( ( ssList @ SV306 )
        = $false )
      | ( ( segmentP @ SV225 @ SV306 )
        = $false )
      | ( ( segmentP @ SV144 @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1728]) ).

thf(1769,plain,
    ! [SV307: $i,SV145: $i,SV226: $i] :
      ( ( ( ssList @ SV226 )
        = $false )
      | ( ( ~ ( ssList @ SV145 )
          | ( rearsegP @ SV145 @ SV307 ) )
        = $true )
      | ( ( ssList @ SV307 )
        = $false )
      | ( ( rearsegP @ SV226 @ SV307 )
        = $false )
      | ( ( rearsegP @ SV145 @ SV226 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1729]) ).

thf(1770,plain,
    ! [SV308: $i,SV146: $i,SV227: $i] :
      ( ( ( ssList @ SV227 )
        = $false )
      | ( ( ~ ( ssList @ SV146 )
          | ( frontsegP @ SV146 @ SV308 ) )
        = $true )
      | ( ( ssList @ SV308 )
        = $false )
      | ( ( frontsegP @ SV227 @ SV308 )
        = $false )
      | ( ( frontsegP @ SV146 @ SV227 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1730]) ).

thf(1771,plain,
    ! [SV309: $i,SV147: $i,SV228: $i] :
      ( ( ( ssItem @ SV228 )
        = $false )
      | ( ( ~ ( ssItem @ SV147 )
          | ( lt @ SV147 @ SV309 ) )
        = $true )
      | ( ( ssItem @ SV309 )
        = $false )
      | ( ( lt @ SV228 @ SV309 )
        = $false )
      | ( ( lt @ SV147 @ SV228 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1731]) ).

thf(1772,plain,
    ! [SV310: $i,SV148: $i,SV229: $i] :
      ( ( ( ssItem @ SV229 )
        = $false )
      | ( ( ~ ( ssItem @ SV148 )
          | ( leq @ SV148 @ SV310 ) )
        = $true )
      | ( ( ssItem @ SV310 )
        = $false )
      | ( ( leq @ SV229 @ SV310 )
        = $false )
      | ( ( leq @ SV148 @ SV229 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1732]) ).

thf(1773,plain,
    ! [SV150: $i,SV230: $i,SV256: $i] :
      ( ( ( ssItem @ SV256 )
        = $false )
      | ( ( ( memberP @ SV230 @ SV256 )
          | ( memberP @ SV150 @ SV256 ) )
        = $true )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV230 )
        = $false )
      | ( ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1733]) ).

thf(1774,plain,
    ! [SV151: $i,SV231: $i] :
      ( ( ( nil = SV231 )
        = $true )
      | ( ( totalorderedP @ ( cons @ SV151 @ SV231 ) )
        = $true )
      | ( ( ssItem @ SV151 )
        = $false )
      | ( ( ssList @ SV231 )
        = $false )
      | ( ( totalorderedP @ SV231 )
        = $false )
      | ( ( leq @ SV151 @ ( hd @ SV231 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1734]) ).

thf(1775,plain,
    ! [SV152: $i,SV232: $i] :
      ( ( ( nil = SV232 )
        = $true )
      | ( ( strictorderedP @ ( cons @ SV152 @ SV232 ) )
        = $true )
      | ( ( ssItem @ SV152 )
        = $false )
      | ( ( ssList @ SV232 )
        = $false )
      | ( ( strictorderedP @ SV232 )
        = $false )
      | ( ( lt @ SV152 @ ( hd @ SV232 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1735]) ).

thf(1776,plain,
    ! [SV233: $i,SV153: $i,SV257: $i] :
      ( ( ( ssItem @ SV257 )
        = $false )
      | ( ( ( SV257 = SV153 )
          | ( memberP @ SV233 @ SV257 ) )
        = $true )
      | ( ( ssItem @ SV153 )
        = $false )
      | ( ( ssList @ SV233 )
        = $false )
      | ( ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1736]) ).

thf(1777,plain,
    ! [SV258: $i,SV162: $i,SV236: $i,SV285: $i] :
      ( ( ( ~ ( ssList @ SV285 ) )
        = $true )
      | ( ( ~ ( ssList @ SV236 )
          | ( SV162 = SV258 ) )
        = $true )
      | ( ( ssItem @ SV162 )
        = $false )
      | ( ( ssItem @ SV258 )
        = $false )
      | ( ( ( cons @ SV162 @ SV236 )
          = ( cons @ SV258 @ SV285 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1737]) ).

thf(1778,plain,
    ! [SV259: $i,SV163: $i,SV237: $i,SV286: $i] :
      ( ( ( ~ ( ssList @ SV286 ) )
        = $true )
      | ( ( ~ ( ssList @ SV237 )
          | ( SV286 = SV237 ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false )
      | ( ( ssItem @ SV259 )
        = $false )
      | ( ( ( cons @ SV163 @ SV237 )
          = ( cons @ SV259 @ SV286 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1738]) ).

thf(1779,plain,
    ! [SV311: $i,SV332: $i,SV164: $i,SV238: $i] :
      ( ( ( ~ ( ssList @ SV238 ) )
        = $true )
      | ( ( ~ ( ssList @ SV164 )
          | ( segmentP @ ( app @ ( app @ SV332 @ SV164 ) @ SV311 ) @ SV238 ) )
        = $true )
      | ( ( ssList @ SV332 )
        = $false )
      | ( ( ssList @ SV311 )
        = $false )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1739]) ).

thf(1780,plain,
    ! [SV260: $i,SV165: $i,SV287: $i,SV239: $i] :
      ( ( ( ~ ( ssList @ SV239 ) )
        = $true )
      | ( ( ~ ( ssList @ SV287 )
          | ( segmentP @ SV287 @ SV239 ) )
        = $true )
      | ( ( ssList @ SV165 )
        = $false )
      | ( ( ssList @ SV260 )
        = $false )
      | ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
          = SV287 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1740]) ).

thf(1781,plain,
    ! [SV288: $i,SV240: $i,SV166: $i,SV261: $i] :
      ( ( ( ~ ( ssItem @ SV261 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV166 )
          | ( frontsegP @ SV240 @ SV288 ) )
        = $true )
      | ( ( ssList @ SV240 )
        = $false )
      | ( ( ssList @ SV288 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1741]) ).

thf(1782,plain,
    ! [SV262: $i,SV167: $i,SV289: $i,SV241: $i] :
      ( ( ( ~ ( ssItem @ SV241 ) )
        = $true )
      | ( ( ~ ( ssList @ SV289 )
          | ( memberP @ SV289 @ SV241 ) )
        = $true )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssList @ SV262 )
        = $false )
      | ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
          = SV289 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1742]) ).

thf(1783,plain,
    ! [SV290: $i,SV242: $i,SV168: $i,SV263: $i] :
      ( ( ( ~ ( ssItem @ SV263 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV168 )
          | ( SV168 = SV263 ) )
        = $true )
      | ( ( ssList @ SV242 )
        = $false )
      | ( ( ssList @ SV290 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1743]) ).

thf(1784,plain,
    ! [SV169: $i,SV243: $i] :
      ( ( ( nil = SV243 )
        = $true )
      | ( ( ( SV169 = SV243 )
          | ( nil = SV169 ) )
        = $true )
      | ( ( ssList @ SV243 )
        = $false )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ( hd @ SV169 )
          = ( hd @ SV243 ) )
        = $false )
      | ( ( ( tl @ SV169 )
          = ( tl @ SV243 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1744]) ).

thf(1785,plain,
    ! [SV244: $i,SV312: $i,SV321: $i,SV170: $i] :
      ( ( ( ~ ( ssList @ SV170 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV321 )
          | ~ ( ssItem @ SV312 )
          | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) ) )
        = $true )
      | ( ( ssList @ SV244 )
        = $false )
      | ( ( SV312 = SV321 )
        = $false )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1745]) ).

thf(1786,plain,
    ! [SV291: $i,SV313: $i,SV245: $i,SV171: $i,SV264: $i] :
      ( ( ( ssList @ SV264 )
        = $false )
      | ( ( ~ ( ssList @ SV171 )
          | ~ ( ssItem @ SV245 )
          | ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ssList @ SV291 )
        = $false )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1746]) ).

thf(1787,plain,
    ! [SV292: $i,SV314: $i,SV246: $i,SV265: $i,SV172: $i] :
      ( ( ( ssList @ SV172 )
        = $false )
      | ( ( ~ ( ssItem @ SV265 )
          | ~ ( ssItem @ SV246 )
          | ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1747]) ).

thf(1788,plain,
    ! [SV315: $i,SV322: $i,SV247: $i,SV293: $i,SV173: $i,SV266: $i] :
      ( ( ( ~ ( ssList @ SV266 ) )
        = $true )
      | ( ( ~ ( ssList @ SV173 )
          | ~ ( ssItem @ SV293 )
          | ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1748]) ).

thf(1789,plain,
    ! [SV316: $i,SV323: $i,SV248: $i,SV294: $i,SV174: $i,SV267: $i] :
      ( ( ( ~ ( ssList @ SV267 ) )
        = $true )
      | ( ( ~ ( ssList @ SV174 )
          | ~ ( ssItem @ SV294 )
          | ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1749]) ).

thf(1790,plain,
    ! [SV317: $i,SV324: $i,SV249: $i,SV295: $i,SV175: $i,SV268: $i] :
      ( ( ( ~ ( ssList @ SV268 ) )
        = $true )
      | ( ( ~ ( ssList @ SV175 )
          | ~ ( ssItem @ SV295 )
          | ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1750]) ).

thf(1791,plain,
    ! [SV318: $i,SV325: $i,SV250: $i,SV296: $i,SV176: $i,SV269: $i] :
      ( ( ( ~ ( ssList @ SV269 ) )
        = $true )
      | ( ( ~ ( ssList @ SV176 )
          | ~ ( ssItem @ SV296 )
          | ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1751]) ).

thf(1792,plain,
    ! [SV334: $i,SV333: $i,SV251: $i,SV297: $i,SV177: $i,SV270: $i] :
      ( ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
         != SV334 )
        = $true )
      | ( ( ~ ( ssList @ SV333 )
          | ~ ( ssList @ SV297 )
          | ~ ( ssList @ SV270 )
          | ~ ( ssItem @ SV251 )
          | ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1752]) ).

thf(1793,plain,
    ! [SV1: $i,SV326: $i,SV271: $i] :
      ( ( ( ( app @ SV271 @ SV326 )
         != sk1 )
        = $true )
      | ( ( neq @ sk2 @ nil )
        = $true )
      | ( ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SV326 )
          = sk2 )
        = $false )
      | ( ( ssList @ SV326 )
        = $false )
      | ( ( ssList @ SV271 )
        = $false )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1753]) ).

thf(1794,plain,
    ! [SV3: $i,SV327: $i,SV272: $i] :
      ( ( ( ( app @ SV272 @ SV327 )
         != sk1 )
        = $true )
      | ( ( ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SV327 )
          = sk2 )
        = $false )
      | ( ( ssList @ SV327 )
        = $false )
      | ( ( ssList @ SV272 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1754]) ).

thf(1795,plain,
    ! [SV220: $i,SV303: $i,SV138: $i] :
      ( ( ( ~ ( ssItem @ SV138 ) )
        = $true )
      | ( ( gt @ SV138 @ SV303 )
        = $true )
      | ( ( ssItem @ SV220 )
        = $false )
      | ( ( ssItem @ SV303 )
        = $false )
      | ( ( gt @ SV220 @ SV303 )
        = $false )
      | ( ( gt @ SV138 @ SV220 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1763]) ).

thf(1796,plain,
    ! [SV221: $i,SV304: $i,SV139: $i] :
      ( ( ( ~ ( ssItem @ SV139 ) )
        = $true )
      | ( ( lt @ SV139 @ SV304 )
        = $true )
      | ( ( ssItem @ SV221 )
        = $false )
      | ( ( ssItem @ SV304 )
        = $false )
      | ( ( lt @ SV221 @ SV304 )
        = $false )
      | ( ( leq @ SV139 @ SV221 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1764]) ).

thf(1797,plain,
    ! [SV222: $i,SV305: $i,SV140: $i] :
      ( ( ( ~ ( ssItem @ SV140 ) )
        = $true )
      | ( ( geq @ SV140 @ SV305 )
        = $true )
      | ( ( ssItem @ SV222 )
        = $false )
      | ( ( ssItem @ SV305 )
        = $false )
      | ( ( geq @ SV222 @ SV305 )
        = $false )
      | ( ( geq @ SV140 @ SV222 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1765]) ).

thf(1798,plain,
    ! [SV225: $i,SV306: $i,SV144: $i] :
      ( ( ( ~ ( ssList @ SV144 ) )
        = $true )
      | ( ( segmentP @ SV144 @ SV306 )
        = $true )
      | ( ( ssList @ SV225 )
        = $false )
      | ( ( ssList @ SV306 )
        = $false )
      | ( ( segmentP @ SV225 @ SV306 )
        = $false )
      | ( ( segmentP @ SV144 @ SV225 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1768]) ).

thf(1799,plain,
    ! [SV226: $i,SV307: $i,SV145: $i] :
      ( ( ( ~ ( ssList @ SV145 ) )
        = $true )
      | ( ( rearsegP @ SV145 @ SV307 )
        = $true )
      | ( ( ssList @ SV226 )
        = $false )
      | ( ( ssList @ SV307 )
        = $false )
      | ( ( rearsegP @ SV226 @ SV307 )
        = $false )
      | ( ( rearsegP @ SV145 @ SV226 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1769]) ).

thf(1800,plain,
    ! [SV227: $i,SV308: $i,SV146: $i] :
      ( ( ( ~ ( ssList @ SV146 ) )
        = $true )
      | ( ( frontsegP @ SV146 @ SV308 )
        = $true )
      | ( ( ssList @ SV227 )
        = $false )
      | ( ( ssList @ SV308 )
        = $false )
      | ( ( frontsegP @ SV227 @ SV308 )
        = $false )
      | ( ( frontsegP @ SV146 @ SV227 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1770]) ).

thf(1801,plain,
    ! [SV228: $i,SV309: $i,SV147: $i] :
      ( ( ( ~ ( ssItem @ SV147 ) )
        = $true )
      | ( ( lt @ SV147 @ SV309 )
        = $true )
      | ( ( ssItem @ SV228 )
        = $false )
      | ( ( ssItem @ SV309 )
        = $false )
      | ( ( lt @ SV228 @ SV309 )
        = $false )
      | ( ( lt @ SV147 @ SV228 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1771]) ).

thf(1802,plain,
    ! [SV229: $i,SV310: $i,SV148: $i] :
      ( ( ( ~ ( ssItem @ SV148 ) )
        = $true )
      | ( ( leq @ SV148 @ SV310 )
        = $true )
      | ( ( ssItem @ SV229 )
        = $false )
      | ( ( ssItem @ SV310 )
        = $false )
      | ( ( leq @ SV229 @ SV310 )
        = $false )
      | ( ( leq @ SV148 @ SV229 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1772]) ).

thf(1803,plain,
    ! [SV150: $i,SV256: $i,SV230: $i] :
      ( ( ( memberP @ SV230 @ SV256 )
        = $true )
      | ( ( memberP @ SV150 @ SV256 )
        = $true )
      | ( ( ssItem @ SV256 )
        = $false )
      | ( ( ssList @ SV150 )
        = $false )
      | ( ( ssList @ SV230 )
        = $false )
      | ( ( memberP @ ( app @ SV150 @ SV230 ) @ SV256 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1773]) ).

thf(1804,plain,
    ! [SV233: $i,SV153: $i,SV257: $i] :
      ( ( ( SV257 = SV153 )
        = $true )
      | ( ( memberP @ SV233 @ SV257 )
        = $true )
      | ( ( ssItem @ SV257 )
        = $false )
      | ( ( ssItem @ SV153 )
        = $false )
      | ( ( ssList @ SV233 )
        = $false )
      | ( ( memberP @ ( cons @ SV153 @ SV233 ) @ SV257 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1776]) ).

thf(1805,plain,
    ! [SV258: $i,SV162: $i,SV236: $i,SV285: $i] :
      ( ( ( ssList @ SV285 )
        = $false )
      | ( ( ~ ( ssList @ SV236 )
          | ( SV162 = SV258 ) )
        = $true )
      | ( ( ssItem @ SV162 )
        = $false )
      | ( ( ssItem @ SV258 )
        = $false )
      | ( ( ( cons @ SV162 @ SV236 )
          = ( cons @ SV258 @ SV285 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1777]) ).

thf(1806,plain,
    ! [SV259: $i,SV163: $i,SV237: $i,SV286: $i] :
      ( ( ( ssList @ SV286 )
        = $false )
      | ( ( ~ ( ssList @ SV237 )
          | ( SV286 = SV237 ) )
        = $true )
      | ( ( ssItem @ SV163 )
        = $false )
      | ( ( ssItem @ SV259 )
        = $false )
      | ( ( ( cons @ SV163 @ SV237 )
          = ( cons @ SV259 @ SV286 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1778]) ).

thf(1807,plain,
    ! [SV311: $i,SV332: $i,SV164: $i,SV238: $i] :
      ( ( ( ssList @ SV238 )
        = $false )
      | ( ( ~ ( ssList @ SV164 )
          | ( segmentP @ ( app @ ( app @ SV332 @ SV164 ) @ SV311 ) @ SV238 ) )
        = $true )
      | ( ( ssList @ SV332 )
        = $false )
      | ( ( ssList @ SV311 )
        = $false )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1779]) ).

thf(1808,plain,
    ! [SV260: $i,SV165: $i,SV287: $i,SV239: $i] :
      ( ( ( ssList @ SV239 )
        = $false )
      | ( ( ~ ( ssList @ SV287 )
          | ( segmentP @ SV287 @ SV239 ) )
        = $true )
      | ( ( ssList @ SV165 )
        = $false )
      | ( ( ssList @ SV260 )
        = $false )
      | ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
          = SV287 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1780]) ).

thf(1809,plain,
    ! [SV288: $i,SV240: $i,SV166: $i,SV261: $i] :
      ( ( ( ssItem @ SV261 )
        = $false )
      | ( ( ~ ( ssItem @ SV166 )
          | ( frontsegP @ SV240 @ SV288 ) )
        = $true )
      | ( ( ssList @ SV240 )
        = $false )
      | ( ( ssList @ SV288 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1781]) ).

thf(1810,plain,
    ! [SV262: $i,SV167: $i,SV289: $i,SV241: $i] :
      ( ( ( ssItem @ SV241 )
        = $false )
      | ( ( ~ ( ssList @ SV289 )
          | ( memberP @ SV289 @ SV241 ) )
        = $true )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssList @ SV262 )
        = $false )
      | ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
          = SV289 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1782]) ).

thf(1811,plain,
    ! [SV290: $i,SV242: $i,SV168: $i,SV263: $i] :
      ( ( ( ssItem @ SV263 )
        = $false )
      | ( ( ~ ( ssItem @ SV168 )
          | ( SV168 = SV263 ) )
        = $true )
      | ( ( ssList @ SV242 )
        = $false )
      | ( ( ssList @ SV290 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1783]) ).

thf(1812,plain,
    ! [SV243: $i,SV169: $i] :
      ( ( ( SV169 = SV243 )
        = $true )
      | ( ( nil = SV169 )
        = $true )
      | ( ( nil = SV243 )
        = $true )
      | ( ( ssList @ SV243 )
        = $false )
      | ( ( ssList @ SV169 )
        = $false )
      | ( ( ( hd @ SV169 )
          = ( hd @ SV243 ) )
        = $false )
      | ( ( ( tl @ SV169 )
          = ( tl @ SV243 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1784]) ).

thf(1813,plain,
    ! [SV244: $i,SV312: $i,SV321: $i,SV170: $i] :
      ( ( ( ssList @ SV170 )
        = $false )
      | ( ( ~ ( ssItem @ SV321 )
          | ~ ( ssItem @ SV312 )
          | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) ) )
        = $true )
      | ( ( ssList @ SV244 )
        = $false )
      | ( ( SV312 = SV321 )
        = $false )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1785]) ).

thf(1814,plain,
    ! [SV291: $i,SV264: $i,SV313: $i,SV245: $i,SV171: $i] :
      ( ( ( ~ ( ssList @ SV171 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV245 )
          | ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ssList @ SV264 )
        = $false )
      | ( ( ssList @ SV291 )
        = $false )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1786]) ).

thf(1815,plain,
    ! [SV292: $i,SV172: $i,SV314: $i,SV246: $i,SV265: $i] :
      ( ( ( ~ ( ssItem @ SV265 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV246 )
          | ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1787]) ).

thf(1816,plain,
    ! [SV315: $i,SV322: $i,SV247: $i,SV293: $i,SV173: $i,SV266: $i] :
      ( ( ( ssList @ SV266 )
        = $false )
      | ( ( ~ ( ssList @ SV173 )
          | ~ ( ssItem @ SV293 )
          | ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1788]) ).

thf(1817,plain,
    ! [SV316: $i,SV323: $i,SV248: $i,SV294: $i,SV174: $i,SV267: $i] :
      ( ( ( ssList @ SV267 )
        = $false )
      | ( ( ~ ( ssList @ SV174 )
          | ~ ( ssItem @ SV294 )
          | ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1789]) ).

thf(1818,plain,
    ! [SV317: $i,SV324: $i,SV249: $i,SV295: $i,SV175: $i,SV268: $i] :
      ( ( ( ssList @ SV268 )
        = $false )
      | ( ( ~ ( ssList @ SV175 )
          | ~ ( ssItem @ SV295 )
          | ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1790]) ).

thf(1819,plain,
    ! [SV318: $i,SV325: $i,SV250: $i,SV296: $i,SV176: $i,SV269: $i] :
      ( ( ( ssList @ SV269 )
        = $false )
      | ( ( ~ ( ssList @ SV176 )
          | ~ ( ssItem @ SV296 )
          | ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1791]) ).

thf(1820,plain,
    ! [SV334: $i,SV333: $i,SV251: $i,SV297: $i,SV177: $i,SV270: $i] :
      ( ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( ~ ( ssList @ SV333 )
          | ~ ( ssList @ SV297 )
          | ~ ( ssList @ SV270 )
          | ~ ( ssItem @ SV251 )
          | ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1792]) ).

thf(1821,plain,
    ! [SV1: $i,SV326: $i,SV271: $i] :
      ( ( ( ( app @ SV271 @ SV326 )
          = sk1 )
        = $false )
      | ( ( neq @ sk2 @ nil )
        = $true )
      | ( ( ( app @ ( app @ SV271 @ ( cons @ SV1 @ nil ) ) @ SV326 )
          = sk2 )
        = $false )
      | ( ( ssList @ SV326 )
        = $false )
      | ( ( ssList @ SV271 )
        = $false )
      | ( ( ssItem @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1793]) ).

thf(1822,plain,
    ! [SV3: $i,SV327: $i,SV272: $i] :
      ( ( ( ( app @ SV272 @ SV327 )
          = sk1 )
        = $false )
      | ( ( ~ ( neq @ sk4 @ nil ) )
        = $true )
      | ( ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SV327 )
          = sk2 )
        = $false )
      | ( ( ssList @ SV327 )
        = $false )
      | ( ( ssList @ SV272 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1794]) ).

thf(1823,plain,
    ! [SV220: $i,SV303: $i,SV138: $i] :
      ( ( ( ssItem @ SV138 )
        = $false )
      | ( ( gt @ SV138 @ SV303 )
        = $true )
      | ( ( ssItem @ SV220 )
        = $false )
      | ( ( ssItem @ SV303 )
        = $false )
      | ( ( gt @ SV220 @ SV303 )
        = $false )
      | ( ( gt @ SV138 @ SV220 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1795]) ).

thf(1824,plain,
    ! [SV221: $i,SV304: $i,SV139: $i] :
      ( ( ( ssItem @ SV139 )
        = $false )
      | ( ( lt @ SV139 @ SV304 )
        = $true )
      | ( ( ssItem @ SV221 )
        = $false )
      | ( ( ssItem @ SV304 )
        = $false )
      | ( ( lt @ SV221 @ SV304 )
        = $false )
      | ( ( leq @ SV139 @ SV221 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1796]) ).

thf(1825,plain,
    ! [SV222: $i,SV305: $i,SV140: $i] :
      ( ( ( ssItem @ SV140 )
        = $false )
      | ( ( geq @ SV140 @ SV305 )
        = $true )
      | ( ( ssItem @ SV222 )
        = $false )
      | ( ( ssItem @ SV305 )
        = $false )
      | ( ( geq @ SV222 @ SV305 )
        = $false )
      | ( ( geq @ SV140 @ SV222 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1797]) ).

thf(1826,plain,
    ! [SV225: $i,SV306: $i,SV144: $i] :
      ( ( ( ssList @ SV144 )
        = $false )
      | ( ( segmentP @ SV144 @ SV306 )
        = $true )
      | ( ( ssList @ SV225 )
        = $false )
      | ( ( ssList @ SV306 )
        = $false )
      | ( ( segmentP @ SV225 @ SV306 )
        = $false )
      | ( ( segmentP @ SV144 @ SV225 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1798]) ).

thf(1827,plain,
    ! [SV226: $i,SV307: $i,SV145: $i] :
      ( ( ( ssList @ SV145 )
        = $false )
      | ( ( rearsegP @ SV145 @ SV307 )
        = $true )
      | ( ( ssList @ SV226 )
        = $false )
      | ( ( ssList @ SV307 )
        = $false )
      | ( ( rearsegP @ SV226 @ SV307 )
        = $false )
      | ( ( rearsegP @ SV145 @ SV226 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1799]) ).

thf(1828,plain,
    ! [SV227: $i,SV308: $i,SV146: $i] :
      ( ( ( ssList @ SV146 )
        = $false )
      | ( ( frontsegP @ SV146 @ SV308 )
        = $true )
      | ( ( ssList @ SV227 )
        = $false )
      | ( ( ssList @ SV308 )
        = $false )
      | ( ( frontsegP @ SV227 @ SV308 )
        = $false )
      | ( ( frontsegP @ SV146 @ SV227 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1800]) ).

thf(1829,plain,
    ! [SV228: $i,SV309: $i,SV147: $i] :
      ( ( ( ssItem @ SV147 )
        = $false )
      | ( ( lt @ SV147 @ SV309 )
        = $true )
      | ( ( ssItem @ SV228 )
        = $false )
      | ( ( ssItem @ SV309 )
        = $false )
      | ( ( lt @ SV228 @ SV309 )
        = $false )
      | ( ( lt @ SV147 @ SV228 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1801]) ).

thf(1830,plain,
    ! [SV229: $i,SV310: $i,SV148: $i] :
      ( ( ( ssItem @ SV148 )
        = $false )
      | ( ( leq @ SV148 @ SV310 )
        = $true )
      | ( ( ssItem @ SV229 )
        = $false )
      | ( ( ssItem @ SV310 )
        = $false )
      | ( ( leq @ SV229 @ SV310 )
        = $false )
      | ( ( leq @ SV148 @ SV229 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1802]) ).

thf(1831,plain,
    ! [SV285: $i,SV258: $i,SV162: $i,SV236: $i] :
      ( ( ( ~ ( ssList @ SV236 ) )
        = $true )
      | ( ( SV162 = SV258 )
        = $true )
      | ( ( ssList @ SV285 )
        = $false )
      | ( ( ssItem @ SV162 )
        = $false )
      | ( ( ssItem @ SV258 )
        = $false )
      | ( ( ( cons @ SV162 @ SV236 )
          = ( cons @ SV258 @ SV285 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1805]) ).

thf(1832,plain,
    ! [SV259: $i,SV163: $i,SV286: $i,SV237: $i] :
      ( ( ( ~ ( ssList @ SV237 ) )
        = $true )
      | ( ( SV286 = SV237 )
        = $true )
      | ( ( ssList @ SV286 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false )
      | ( ( ssItem @ SV259 )
        = $false )
      | ( ( ( cons @ SV163 @ SV237 )
          = ( cons @ SV259 @ SV286 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1806]) ).

thf(1833,plain,
    ! [SV238: $i,SV311: $i,SV332: $i,SV164: $i] :
      ( ( ( ~ ( ssList @ SV164 ) )
        = $true )
      | ( ( segmentP @ ( app @ ( app @ SV332 @ SV164 ) @ SV311 ) @ SV238 )
        = $true )
      | ( ( ssList @ SV238 )
        = $false )
      | ( ( ssList @ SV332 )
        = $false )
      | ( ( ssList @ SV311 )
        = $false )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1807]) ).

thf(1834,plain,
    ! [SV260: $i,SV165: $i,SV239: $i,SV287: $i] :
      ( ( ( ~ ( ssList @ SV287 ) )
        = $true )
      | ( ( segmentP @ SV287 @ SV239 )
        = $true )
      | ( ( ssList @ SV239 )
        = $false )
      | ( ( ssList @ SV165 )
        = $false )
      | ( ( ssList @ SV260 )
        = $false )
      | ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
          = SV287 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1808]) ).

thf(1835,plain,
    ! [SV261: $i,SV288: $i,SV240: $i,SV166: $i] :
      ( ( ( ~ ( ssItem @ SV166 ) )
        = $true )
      | ( ( frontsegP @ SV240 @ SV288 )
        = $true )
      | ( ( ssItem @ SV261 )
        = $false )
      | ( ( ssList @ SV240 )
        = $false )
      | ( ( ssList @ SV288 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1809]) ).

thf(1836,plain,
    ! [SV262: $i,SV167: $i,SV241: $i,SV289: $i] :
      ( ( ( ~ ( ssList @ SV289 ) )
        = $true )
      | ( ( memberP @ SV289 @ SV241 )
        = $true )
      | ( ( ssItem @ SV241 )
        = $false )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssList @ SV262 )
        = $false )
      | ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
          = SV289 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1810]) ).

thf(1837,plain,
    ! [SV290: $i,SV242: $i,SV263: $i,SV168: $i] :
      ( ( ( ~ ( ssItem @ SV168 ) )
        = $true )
      | ( ( SV168 = SV263 )
        = $true )
      | ( ( ssItem @ SV263 )
        = $false )
      | ( ( ssList @ SV242 )
        = $false )
      | ( ( ssList @ SV290 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1811]) ).

thf(1838,plain,
    ! [SV244: $i,SV170: $i,SV312: $i,SV321: $i] :
      ( ( ( ~ ( ssItem @ SV321 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV312 )
          | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) ) )
        = $true )
      | ( ( ssList @ SV170 )
        = $false )
      | ( ( ssList @ SV244 )
        = $false )
      | ( ( SV312 = SV321 )
        = $false )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1813]) ).

thf(1839,plain,
    ! [SV291: $i,SV264: $i,SV313: $i,SV245: $i,SV171: $i] :
      ( ( ( ssList @ SV171 )
        = $false )
      | ( ( ~ ( ssItem @ SV245 )
          | ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ssList @ SV264 )
        = $false )
      | ( ( ssList @ SV291 )
        = $false )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1814]) ).

thf(1840,plain,
    ! [SV292: $i,SV172: $i,SV314: $i,SV246: $i,SV265: $i] :
      ( ( ( ssItem @ SV265 )
        = $false )
      | ( ( ~ ( ssItem @ SV246 )
          | ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1815]) ).

thf(1841,plain,
    ! [SV315: $i,SV266: $i,SV322: $i,SV247: $i,SV293: $i,SV173: $i] :
      ( ( ( ~ ( ssList @ SV173 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV293 )
          | ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1816]) ).

thf(1842,plain,
    ! [SV316: $i,SV267: $i,SV323: $i,SV248: $i,SV294: $i,SV174: $i] :
      ( ( ( ~ ( ssList @ SV174 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV294 )
          | ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1817]) ).

thf(1843,plain,
    ! [SV317: $i,SV268: $i,SV324: $i,SV249: $i,SV295: $i,SV175: $i] :
      ( ( ( ~ ( ssList @ SV175 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV295 )
          | ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1818]) ).

thf(1844,plain,
    ! [SV318: $i,SV269: $i,SV325: $i,SV250: $i,SV296: $i,SV176: $i] :
      ( ( ( ~ ( ssList @ SV176 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV296 )
          | ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1819]) ).

thf(1845,plain,
    ! [SV334: $i,SV177: $i,SV251: $i,SV270: $i,SV297: $i,SV333: $i] :
      ( ( ( ~ ( ssList @ SV333 ) )
        = $true )
      | ( ( ~ ( ssList @ SV297 )
          | ~ ( ssList @ SV270 )
          | ~ ( ssItem @ SV251 )
          | ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1820]) ).

thf(1846,plain,
    ! [SV3: $i,SV327: $i,SV272: $i] :
      ( ( ( neq @ sk4 @ nil )
        = $false )
      | ( ( ( app @ SV272 @ SV327 )
          = sk1 )
        = $false )
      | ( ( ( app @ ( app @ SV272 @ ( cons @ SV3 @ nil ) ) @ SV327 )
          = sk2 )
        = $false )
      | ( ( ssList @ SV327 )
        = $false )
      | ( ( ssList @ SV272 )
        = $false )
      | ( ( ssItem @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1822]) ).

thf(1847,plain,
    ! [SV285: $i,SV258: $i,SV162: $i,SV236: $i] :
      ( ( ( ssList @ SV236 )
        = $false )
      | ( ( SV162 = SV258 )
        = $true )
      | ( ( ssList @ SV285 )
        = $false )
      | ( ( ssItem @ SV162 )
        = $false )
      | ( ( ssItem @ SV258 )
        = $false )
      | ( ( ( cons @ SV162 @ SV236 )
          = ( cons @ SV258 @ SV285 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1831]) ).

thf(1848,plain,
    ! [SV259: $i,SV163: $i,SV286: $i,SV237: $i] :
      ( ( ( ssList @ SV237 )
        = $false )
      | ( ( SV286 = SV237 )
        = $true )
      | ( ( ssList @ SV286 )
        = $false )
      | ( ( ssItem @ SV163 )
        = $false )
      | ( ( ssItem @ SV259 )
        = $false )
      | ( ( ( cons @ SV163 @ SV237 )
          = ( cons @ SV259 @ SV286 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1832]) ).

thf(1849,plain,
    ! [SV238: $i,SV311: $i,SV332: $i,SV164: $i] :
      ( ( ( ssList @ SV164 )
        = $false )
      | ( ( segmentP @ ( app @ ( app @ SV332 @ SV164 ) @ SV311 ) @ SV238 )
        = $true )
      | ( ( ssList @ SV238 )
        = $false )
      | ( ( ssList @ SV332 )
        = $false )
      | ( ( ssList @ SV311 )
        = $false )
      | ( ( segmentP @ SV164 @ SV238 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1833]) ).

thf(1850,plain,
    ! [SV260: $i,SV165: $i,SV239: $i,SV287: $i] :
      ( ( ( ssList @ SV287 )
        = $false )
      | ( ( segmentP @ SV287 @ SV239 )
        = $true )
      | ( ( ssList @ SV239 )
        = $false )
      | ( ( ssList @ SV165 )
        = $false )
      | ( ( ssList @ SV260 )
        = $false )
      | ( ( ( app @ ( app @ SV165 @ SV239 ) @ SV260 )
          = SV287 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1834]) ).

thf(1851,plain,
    ! [SV261: $i,SV288: $i,SV240: $i,SV166: $i] :
      ( ( ( ssItem @ SV166 )
        = $false )
      | ( ( frontsegP @ SV240 @ SV288 )
        = $true )
      | ( ( ssItem @ SV261 )
        = $false )
      | ( ( ssList @ SV240 )
        = $false )
      | ( ( ssList @ SV288 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV166 @ SV240 ) @ ( cons @ SV261 @ SV288 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1835]) ).

thf(1852,plain,
    ! [SV262: $i,SV167: $i,SV241: $i,SV289: $i] :
      ( ( ( ssList @ SV289 )
        = $false )
      | ( ( memberP @ SV289 @ SV241 )
        = $true )
      | ( ( ssItem @ SV241 )
        = $false )
      | ( ( ssList @ SV167 )
        = $false )
      | ( ( ssList @ SV262 )
        = $false )
      | ( ( ( app @ SV167 @ ( cons @ SV241 @ SV262 ) )
          = SV289 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1836]) ).

thf(1853,plain,
    ! [SV290: $i,SV242: $i,SV263: $i,SV168: $i] :
      ( ( ( ssItem @ SV168 )
        = $false )
      | ( ( SV168 = SV263 )
        = $true )
      | ( ( ssItem @ SV263 )
        = $false )
      | ( ( ssList @ SV242 )
        = $false )
      | ( ( ssList @ SV290 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV168 @ SV242 ) @ ( cons @ SV263 @ SV290 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1837]) ).

thf(1854,plain,
    ! [SV244: $i,SV170: $i,SV312: $i,SV321: $i] :
      ( ( ( ssItem @ SV321 )
        = $false )
      | ( ( ~ ( ssItem @ SV312 )
          | ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) ) )
        = $true )
      | ( ( ssList @ SV170 )
        = $false )
      | ( ( ssList @ SV244 )
        = $false )
      | ( ( SV312 = SV321 )
        = $false )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1838]) ).

thf(1855,plain,
    ! [SV291: $i,SV264: $i,SV171: $i,SV313: $i,SV245: $i] :
      ( ( ( ~ ( ssItem @ SV245 ) )
        = $true )
      | ( ( ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV264 )
        = $false )
      | ( ( ssList @ SV291 )
        = $false )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1839]) ).

thf(1856,plain,
    ! [SV292: $i,SV172: $i,SV265: $i,SV314: $i,SV246: $i] :
      ( ( ( ~ ( ssItem @ SV246 ) )
        = $true )
      | ( ( ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ssItem @ SV265 )
        = $false )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1840]) ).

thf(1857,plain,
    ! [SV315: $i,SV266: $i,SV322: $i,SV247: $i,SV293: $i,SV173: $i] :
      ( ( ( ssList @ SV173 )
        = $false )
      | ( ( ~ ( ssItem @ SV293 )
          | ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1841]) ).

thf(1858,plain,
    ! [SV316: $i,SV267: $i,SV323: $i,SV248: $i,SV294: $i,SV174: $i] :
      ( ( ( ssList @ SV174 )
        = $false )
      | ( ( ~ ( ssItem @ SV294 )
          | ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1842]) ).

thf(1859,plain,
    ! [SV317: $i,SV268: $i,SV324: $i,SV249: $i,SV295: $i,SV175: $i] :
      ( ( ( ssList @ SV175 )
        = $false )
      | ( ( ~ ( ssItem @ SV295 )
          | ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1843]) ).

thf(1860,plain,
    ! [SV318: $i,SV269: $i,SV325: $i,SV250: $i,SV296: $i,SV176: $i] :
      ( ( ( ssList @ SV176 )
        = $false )
      | ( ( ~ ( ssItem @ SV296 )
          | ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1844]) ).

thf(1861,plain,
    ! [SV334: $i,SV177: $i,SV251: $i,SV270: $i,SV297: $i,SV333: $i] :
      ( ( ( ssList @ SV333 )
        = $false )
      | ( ( ~ ( ssList @ SV297 )
          | ~ ( ssList @ SV270 )
          | ~ ( ssItem @ SV251 )
          | ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1845]) ).

thf(1862,plain,
    ! [SV244: $i,SV321: $i,SV170: $i,SV312: $i] :
      ( ( ( ~ ( ssItem @ SV312 ) )
        = $true )
      | ( ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) )
        = $true )
      | ( ( ssItem @ SV321 )
        = $false )
      | ( ( ssList @ SV170 )
        = $false )
      | ( ( ssList @ SV244 )
        = $false )
      | ( ( SV312 = SV321 )
        = $false )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1854]) ).

thf(1863,plain,
    ! [SV291: $i,SV264: $i,SV171: $i,SV313: $i,SV245: $i] :
      ( ( ( ssItem @ SV245 )
        = $false )
      | ( ( ~ ( duplicatefreeP @ SV313 )
          | ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV264 )
        = $false )
      | ( ( ssList @ SV291 )
        = $false )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1855]) ).

thf(1864,plain,
    ! [SV292: $i,SV172: $i,SV265: $i,SV314: $i,SV246: $i] :
      ( ( ( ssItem @ SV246 )
        = $false )
      | ( ( ~ ( equalelemsP @ SV314 )
          | ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ssItem @ SV265 )
        = $false )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1856]) ).

thf(1865,plain,
    ! [SV315: $i,SV266: $i,SV173: $i,SV322: $i,SV247: $i,SV293: $i] :
      ( ( ( ~ ( ssItem @ SV293 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1857]) ).

thf(1866,plain,
    ! [SV316: $i,SV267: $i,SV174: $i,SV323: $i,SV248: $i,SV294: $i] :
      ( ( ( ~ ( ssItem @ SV294 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssList @ SV174 )
        = $false )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1858]) ).

thf(1867,plain,
    ! [SV317: $i,SV268: $i,SV175: $i,SV324: $i,SV249: $i,SV295: $i] :
      ( ( ( ~ ( ssItem @ SV295 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1859]) ).

thf(1868,plain,
    ! [SV318: $i,SV269: $i,SV176: $i,SV325: $i,SV250: $i,SV296: $i] :
      ( ( ( ~ ( ssItem @ SV296 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1860]) ).

thf(1869,plain,
    ! [SV333: $i,SV334: $i,SV177: $i,SV251: $i,SV270: $i,SV297: $i] :
      ( ( ( ~ ( ssList @ SV297 ) )
        = $true )
      | ( ( ~ ( ssList @ SV270 )
          | ~ ( ssItem @ SV251 )
          | ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1861]) ).

thf(1870,plain,
    ! [SV244: $i,SV321: $i,SV170: $i,SV312: $i] :
      ( ( ( ssItem @ SV312 )
        = $false )
      | ( ( frontsegP @ ( cons @ SV312 @ SV170 ) @ ( cons @ SV321 @ SV244 ) )
        = $true )
      | ( ( ssItem @ SV321 )
        = $false )
      | ( ( ssList @ SV170 )
        = $false )
      | ( ( ssList @ SV244 )
        = $false )
      | ( ( SV312 = SV321 )
        = $false )
      | ( ( frontsegP @ SV170 @ SV244 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1862]) ).

thf(1871,plain,
    ! [SV291: $i,SV264: $i,SV171: $i,SV245: $i,SV313: $i] :
      ( ( ( ~ ( duplicatefreeP @ SV313 ) )
        = $true )
      | ( ( ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ssItem @ SV245 )
        = $false )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV264 )
        = $false )
      | ( ( ssList @ SV291 )
        = $false )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1863]) ).

thf(1872,plain,
    ! [SV292: $i,SV172: $i,SV265: $i,SV246: $i,SV314: $i] :
      ( ( ( ~ ( equalelemsP @ SV314 ) )
        = $true )
      | ( ( ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ssItem @ SV246 )
        = $false )
      | ( ( ssItem @ SV265 )
        = $false )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1864]) ).

thf(1873,plain,
    ! [SV315: $i,SV266: $i,SV173: $i,SV322: $i,SV247: $i,SV293: $i] :
      ( ( ( ssItem @ SV293 )
        = $false )
      | ( ( ~ ( ssItem @ SV247 )
          | ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1865]) ).

thf(1874,plain,
    ! [SV316: $i,SV267: $i,SV174: $i,SV323: $i,SV248: $i,SV294: $i] :
      ( ( ( ssItem @ SV294 )
        = $false )
      | ( ( ~ ( ssItem @ SV248 )
          | ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssList @ SV174 )
        = $false )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1866]) ).

thf(1875,plain,
    ! [SV317: $i,SV268: $i,SV175: $i,SV324: $i,SV249: $i,SV295: $i] :
      ( ( ( ssItem @ SV295 )
        = $false )
      | ( ( ~ ( ssItem @ SV249 )
          | ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1867]) ).

thf(1876,plain,
    ! [SV318: $i,SV269: $i,SV176: $i,SV325: $i,SV250: $i,SV296: $i] :
      ( ( ( ssItem @ SV296 )
        = $false )
      | ( ( ~ ( ssItem @ SV250 )
          | ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1868]) ).

thf(1877,plain,
    ! [SV333: $i,SV334: $i,SV177: $i,SV251: $i,SV270: $i,SV297: $i] :
      ( ( ( ssList @ SV297 )
        = $false )
      | ( ( ~ ( ssList @ SV270 )
          | ~ ( ssItem @ SV251 )
          | ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1869]) ).

thf(1878,plain,
    ! [SV291: $i,SV264: $i,SV171: $i,SV245: $i,SV313: $i] :
      ( ( ( duplicatefreeP @ SV313 )
        = $false )
      | ( ( ~ ( ssList @ SV313 ) )
        = $true )
      | ( ( ssItem @ SV245 )
        = $false )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV264 )
        = $false )
      | ( ( ssList @ SV291 )
        = $false )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1871]) ).

thf(1879,plain,
    ! [SV292: $i,SV172: $i,SV265: $i,SV246: $i,SV314: $i] :
      ( ( ( equalelemsP @ SV314 )
        = $false )
      | ( ( ~ ( ssList @ SV314 )
          | ( SV246 = SV265 ) )
        = $true )
      | ( ( ssItem @ SV246 )
        = $false )
      | ( ( ssItem @ SV265 )
        = $false )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1872]) ).

thf(1880,plain,
    ! [SV315: $i,SV266: $i,SV173: $i,SV293: $i,SV322: $i,SV247: $i] :
      ( ( ( ~ ( ssItem @ SV247 ) )
        = $true )
      | ( ( ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssItem @ SV293 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1873]) ).

thf(1881,plain,
    ! [SV316: $i,SV267: $i,SV174: $i,SV294: $i,SV323: $i,SV248: $i] :
      ( ( ( ~ ( ssItem @ SV248 ) )
        = $true )
      | ( ( ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssItem @ SV294 )
        = $false )
      | ( ( ssList @ SV174 )
        = $false )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1874]) ).

thf(1882,plain,
    ! [SV317: $i,SV268: $i,SV175: $i,SV295: $i,SV324: $i,SV249: $i] :
      ( ( ( ~ ( ssItem @ SV249 ) )
        = $true )
      | ( ( ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssItem @ SV295 )
        = $false )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1875]) ).

thf(1883,plain,
    ! [SV318: $i,SV269: $i,SV176: $i,SV296: $i,SV325: $i,SV250: $i] :
      ( ( ( ~ ( ssItem @ SV250 ) )
        = $true )
      | ( ( ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssItem @ SV296 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1876]) ).

thf(1884,plain,
    ! [SV333: $i,SV297: $i,SV334: $i,SV177: $i,SV251: $i,SV270: $i] :
      ( ( ( ~ ( ssList @ SV270 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV251 )
          | ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssList @ SV297 )
        = $false )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1877]) ).

thf(1885,plain,
    ! [SV291: $i,SV264: $i,SV171: $i,SV245: $i,SV313: $i] :
      ( ( ( ssList @ SV313 )
        = $false )
      | ( ( duplicatefreeP @ SV313 )
        = $false )
      | ( ( ssItem @ SV245 )
        = $false )
      | ( ( ssList @ SV171 )
        = $false )
      | ( ( ssList @ SV264 )
        = $false )
      | ( ( ssList @ SV291 )
        = $false )
      | ( ( ( app @ ( app @ SV171 @ ( cons @ SV245 @ SV264 ) ) @ ( cons @ SV245 @ SV291 ) )
          = SV313 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1878]) ).

thf(1886,plain,
    ! [SV292: $i,SV172: $i,SV265: $i,SV246: $i,SV314: $i] :
      ( ( ( ~ ( ssList @ SV314 ) )
        = $true )
      | ( ( SV246 = SV265 )
        = $true )
      | ( ( equalelemsP @ SV314 )
        = $false )
      | ( ( ssItem @ SV246 )
        = $false )
      | ( ( ssItem @ SV265 )
        = $false )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1879]) ).

thf(1887,plain,
    ! [SV315: $i,SV266: $i,SV173: $i,SV293: $i,SV322: $i,SV247: $i] :
      ( ( ( ssItem @ SV247 )
        = $false )
      | ( ( ~ ( strictorderedP @ SV322 )
          | ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssItem @ SV293 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1880]) ).

thf(1888,plain,
    ! [SV316: $i,SV267: $i,SV174: $i,SV294: $i,SV323: $i,SV248: $i] :
      ( ( ( ssItem @ SV248 )
        = $false )
      | ( ( ~ ( totalorderedP @ SV323 )
          | ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssItem @ SV294 )
        = $false )
      | ( ( ssList @ SV174 )
        = $false )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1881]) ).

thf(1889,plain,
    ! [SV317: $i,SV268: $i,SV175: $i,SV295: $i,SV324: $i,SV249: $i] :
      ( ( ( ssItem @ SV249 )
        = $false )
      | ( ( ~ ( strictorderP @ SV324 )
          | ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssItem @ SV295 )
        = $false )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1882]) ).

thf(1890,plain,
    ! [SV318: $i,SV269: $i,SV176: $i,SV296: $i,SV325: $i,SV250: $i] :
      ( ( ( ssItem @ SV250 )
        = $false )
      | ( ( ~ ( totalorderP @ SV325 )
          | ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssItem @ SV296 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1883]) ).

thf(1891,plain,
    ! [SV333: $i,SV297: $i,SV334: $i,SV177: $i,SV251: $i,SV270: $i] :
      ( ( ( ssList @ SV270 )
        = $false )
      | ( ( ~ ( ssItem @ SV251 )
          | ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssList @ SV297 )
        = $false )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1884]) ).

thf(1892,plain,
    ! [SV292: $i,SV172: $i,SV265: $i,SV246: $i,SV314: $i] :
      ( ( ( ssList @ SV314 )
        = $false )
      | ( ( SV246 = SV265 )
        = $true )
      | ( ( equalelemsP @ SV314 )
        = $false )
      | ( ( ssItem @ SV246 )
        = $false )
      | ( ( ssItem @ SV265 )
        = $false )
      | ( ( ssList @ SV172 )
        = $false )
      | ( ( ssList @ SV292 )
        = $false )
      | ( ( ( app @ SV172 @ ( cons @ SV246 @ ( cons @ SV265 @ SV292 ) ) )
          = SV314 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1886]) ).

thf(1893,plain,
    ! [SV315: $i,SV266: $i,SV173: $i,SV293: $i,SV247: $i,SV322: $i] :
      ( ( ( ~ ( strictorderedP @ SV322 ) )
        = $true )
      | ( ( ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssItem @ SV247 )
        = $false )
      | ( ( ssItem @ SV293 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1887]) ).

thf(1894,plain,
    ! [SV316: $i,SV267: $i,SV174: $i,SV294: $i,SV248: $i,SV323: $i] :
      ( ( ( ~ ( totalorderedP @ SV323 ) )
        = $true )
      | ( ( ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssItem @ SV248 )
        = $false )
      | ( ( ssItem @ SV294 )
        = $false )
      | ( ( ssList @ SV174 )
        = $false )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1888]) ).

thf(1895,plain,
    ! [SV317: $i,SV268: $i,SV175: $i,SV295: $i,SV249: $i,SV324: $i] :
      ( ( ( ~ ( strictorderP @ SV324 ) )
        = $true )
      | ( ( ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssItem @ SV249 )
        = $false )
      | ( ( ssItem @ SV295 )
        = $false )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1889]) ).

thf(1896,plain,
    ! [SV318: $i,SV269: $i,SV176: $i,SV296: $i,SV250: $i,SV325: $i] :
      ( ( ( ~ ( totalorderP @ SV325 ) )
        = $true )
      | ( ( ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssItem @ SV250 )
        = $false )
      | ( ( ssItem @ SV296 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1890]) ).

thf(1897,plain,
    ! [SV333: $i,SV297: $i,SV270: $i,SV334: $i,SV177: $i,SV251: $i] :
      ( ( ( ~ ( ssItem @ SV251 ) )
        = $true )
      | ( ( ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssList @ SV270 )
        = $false )
      | ( ( ssList @ SV297 )
        = $false )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1891]) ).

thf(1898,plain,
    ! [SV315: $i,SV266: $i,SV173: $i,SV293: $i,SV247: $i,SV322: $i] :
      ( ( ( strictorderedP @ SV322 )
        = $false )
      | ( ( ~ ( ssList @ SV322 )
          | ( lt @ SV247 @ SV293 ) )
        = $true )
      | ( ( ssItem @ SV247 )
        = $false )
      | ( ( ssItem @ SV293 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1893]) ).

thf(1899,plain,
    ! [SV316: $i,SV267: $i,SV174: $i,SV294: $i,SV248: $i,SV323: $i] :
      ( ( ( totalorderedP @ SV323 )
        = $false )
      | ( ( ~ ( ssList @ SV323 )
          | ( leq @ SV248 @ SV294 ) )
        = $true )
      | ( ( ssItem @ SV248 )
        = $false )
      | ( ( ssItem @ SV294 )
        = $false )
      | ( ( ssList @ SV174 )
        = $false )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1894]) ).

thf(1900,plain,
    ! [SV317: $i,SV268: $i,SV175: $i,SV295: $i,SV249: $i,SV324: $i] :
      ( ( ( strictorderP @ SV324 )
        = $false )
      | ( ( ~ ( ssList @ SV324 )
          | ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( ssItem @ SV249 )
        = $false )
      | ( ( ssItem @ SV295 )
        = $false )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1895]) ).

thf(1901,plain,
    ! [SV318: $i,SV269: $i,SV176: $i,SV296: $i,SV250: $i,SV325: $i] :
      ( ( ( totalorderP @ SV325 )
        = $false )
      | ( ( ~ ( ssList @ SV325 )
          | ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( ssItem @ SV250 )
        = $false )
      | ( ( ssItem @ SV296 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1896]) ).

thf(1902,plain,
    ! [SV333: $i,SV297: $i,SV270: $i,SV334: $i,SV177: $i,SV251: $i] :
      ( ( ( ssItem @ SV251 )
        = $false )
      | ( ( ~ ( ssItem @ SV177 )
          | ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssList @ SV270 )
        = $false )
      | ( ( ssList @ SV297 )
        = $false )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1897]) ).

thf(1903,plain,
    ! [SV315: $i,SV266: $i,SV173: $i,SV293: $i,SV247: $i,SV322: $i] :
      ( ( ( ~ ( ssList @ SV322 ) )
        = $true )
      | ( ( lt @ SV247 @ SV293 )
        = $true )
      | ( ( strictorderedP @ SV322 )
        = $false )
      | ( ( ssItem @ SV247 )
        = $false )
      | ( ( ssItem @ SV293 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1898]) ).

thf(1904,plain,
    ! [SV316: $i,SV267: $i,SV174: $i,SV294: $i,SV248: $i,SV323: $i] :
      ( ( ( ~ ( ssList @ SV323 ) )
        = $true )
      | ( ( leq @ SV248 @ SV294 )
        = $true )
      | ( ( totalorderedP @ SV323 )
        = $false )
      | ( ( ssItem @ SV248 )
        = $false )
      | ( ( ssItem @ SV294 )
        = $false )
      | ( ( ssList @ SV174 )
        = $false )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1899]) ).

thf(1905,plain,
    ! [SV317: $i,SV268: $i,SV175: $i,SV295: $i,SV249: $i,SV324: $i] :
      ( ( ( ~ ( ssList @ SV324 ) )
        = $true )
      | ( ( ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( strictorderP @ SV324 )
        = $false )
      | ( ( ssItem @ SV249 )
        = $false )
      | ( ( ssItem @ SV295 )
        = $false )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1900]) ).

thf(1906,plain,
    ! [SV318: $i,SV269: $i,SV176: $i,SV296: $i,SV250: $i,SV325: $i] :
      ( ( ( ~ ( ssList @ SV325 ) )
        = $true )
      | ( ( ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( totalorderP @ SV325 )
        = $false )
      | ( ( ssItem @ SV250 )
        = $false )
      | ( ( ssItem @ SV296 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1901]) ).

thf(1907,plain,
    ! [SV333: $i,SV297: $i,SV270: $i,SV251: $i,SV334: $i,SV177: $i] :
      ( ( ( ~ ( ssItem @ SV177 ) )
        = $true )
      | ( ( ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssItem @ SV251 )
        = $false )
      | ( ( ssList @ SV270 )
        = $false )
      | ( ( ssList @ SV297 )
        = $false )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1902]) ).

thf(1908,plain,
    ! [SV315: $i,SV266: $i,SV173: $i,SV293: $i,SV247: $i,SV322: $i] :
      ( ( ( ssList @ SV322 )
        = $false )
      | ( ( lt @ SV247 @ SV293 )
        = $true )
      | ( ( strictorderedP @ SV322 )
        = $false )
      | ( ( ssItem @ SV247 )
        = $false )
      | ( ( ssItem @ SV293 )
        = $false )
      | ( ( ssList @ SV173 )
        = $false )
      | ( ( ssList @ SV266 )
        = $false )
      | ( ( ssList @ SV315 )
        = $false )
      | ( ( ( app @ ( app @ SV173 @ ( cons @ SV247 @ SV266 ) ) @ ( cons @ SV293 @ SV315 ) )
          = SV322 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1903]) ).

thf(1909,plain,
    ! [SV316: $i,SV267: $i,SV174: $i,SV294: $i,SV248: $i,SV323: $i] :
      ( ( ( ssList @ SV323 )
        = $false )
      | ( ( leq @ SV248 @ SV294 )
        = $true )
      | ( ( totalorderedP @ SV323 )
        = $false )
      | ( ( ssItem @ SV248 )
        = $false )
      | ( ( ssItem @ SV294 )
        = $false )
      | ( ( ssList @ SV174 )
        = $false )
      | ( ( ssList @ SV267 )
        = $false )
      | ( ( ssList @ SV316 )
        = $false )
      | ( ( ( app @ ( app @ SV174 @ ( cons @ SV248 @ SV267 ) ) @ ( cons @ SV294 @ SV316 ) )
          = SV323 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1904]) ).

thf(1910,plain,
    ! [SV317: $i,SV268: $i,SV175: $i,SV295: $i,SV249: $i,SV324: $i] :
      ( ( ( ssList @ SV324 )
        = $false )
      | ( ( ( lt @ SV249 @ SV295 )
          | ( lt @ SV295 @ SV249 ) )
        = $true )
      | ( ( strictorderP @ SV324 )
        = $false )
      | ( ( ssItem @ SV249 )
        = $false )
      | ( ( ssItem @ SV295 )
        = $false )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1905]) ).

thf(1911,plain,
    ! [SV318: $i,SV269: $i,SV176: $i,SV296: $i,SV250: $i,SV325: $i] :
      ( ( ( ssList @ SV325 )
        = $false )
      | ( ( ( leq @ SV250 @ SV296 )
          | ( leq @ SV296 @ SV250 ) )
        = $true )
      | ( ( totalorderP @ SV325 )
        = $false )
      | ( ( ssItem @ SV250 )
        = $false )
      | ( ( ssItem @ SV296 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1906]) ).

thf(1912,plain,
    ! [SV333: $i,SV297: $i,SV270: $i,SV251: $i,SV334: $i,SV177: $i] :
      ( ( ( ssItem @ SV177 )
        = $false )
      | ( ( ~ ( cyclefreeP @ SV334 )
          | ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssItem @ SV251 )
        = $false )
      | ( ( ssList @ SV270 )
        = $false )
      | ( ( ssList @ SV297 )
        = $false )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1907]) ).

thf(1913,plain,
    ! [SV317: $i,SV268: $i,SV175: $i,SV324: $i,SV295: $i,SV249: $i] :
      ( ( ( lt @ SV249 @ SV295 )
        = $true )
      | ( ( lt @ SV295 @ SV249 )
        = $true )
      | ( ( ssList @ SV324 )
        = $false )
      | ( ( strictorderP @ SV324 )
        = $false )
      | ( ( ssItem @ SV249 )
        = $false )
      | ( ( ssItem @ SV295 )
        = $false )
      | ( ( ssList @ SV175 )
        = $false )
      | ( ( ssList @ SV268 )
        = $false )
      | ( ( ssList @ SV317 )
        = $false )
      | ( ( ( app @ ( app @ SV175 @ ( cons @ SV249 @ SV268 ) ) @ ( cons @ SV295 @ SV317 ) )
          = SV324 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1910]) ).

thf(1914,plain,
    ! [SV318: $i,SV269: $i,SV176: $i,SV325: $i,SV296: $i,SV250: $i] :
      ( ( ( leq @ SV250 @ SV296 )
        = $true )
      | ( ( leq @ SV296 @ SV250 )
        = $true )
      | ( ( ssList @ SV325 )
        = $false )
      | ( ( totalorderP @ SV325 )
        = $false )
      | ( ( ssItem @ SV250 )
        = $false )
      | ( ( ssItem @ SV296 )
        = $false )
      | ( ( ssList @ SV176 )
        = $false )
      | ( ( ssList @ SV269 )
        = $false )
      | ( ( ssList @ SV318 )
        = $false )
      | ( ( ( app @ ( app @ SV176 @ ( cons @ SV250 @ SV269 ) ) @ ( cons @ SV296 @ SV318 ) )
          = SV325 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1911]) ).

thf(1915,plain,
    ! [SV333: $i,SV297: $i,SV270: $i,SV251: $i,SV177: $i,SV334: $i] :
      ( ( ( ~ ( cyclefreeP @ SV334 ) )
        = $true )
      | ( ( ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssItem @ SV177 )
        = $false )
      | ( ( ssItem @ SV251 )
        = $false )
      | ( ( ssList @ SV270 )
        = $false )
      | ( ( ssList @ SV297 )
        = $false )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[1912]) ).

thf(1916,plain,
    ! [SV333: $i,SV297: $i,SV270: $i,SV251: $i,SV177: $i,SV334: $i] :
      ( ( ( cyclefreeP @ SV334 )
        = $false )
      | ( ( ~ ( ssList @ SV334 ) )
        = $true )
      | ( ( ssItem @ SV177 )
        = $false )
      | ( ( ssItem @ SV251 )
        = $false )
      | ( ( ssList @ SV270 )
        = $false )
      | ( ( ssList @ SV297 )
        = $false )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1915]) ).

thf(1917,plain,
    ! [SV333: $i,SV297: $i,SV270: $i,SV251: $i,SV177: $i,SV334: $i] :
      ( ( ( ssList @ SV334 )
        = $false )
      | ( ( cyclefreeP @ SV334 )
        = $false )
      | ( ( ssItem @ SV177 )
        = $false )
      | ( ( ssItem @ SV251 )
        = $false )
      | ( ( ssList @ SV270 )
        = $false )
      | ( ( ssList @ SV297 )
        = $false )
      | ( ( ssList @ SV333 )
        = $false )
      | ( ( ( app @ ( app @ SV270 @ ( cons @ SV177 @ SV297 ) ) @ ( cons @ SV251 @ SV333 ) )
          = SV334 )
        = $false )
      | ( ( leq @ SV251 @ SV177 )
        = $false )
      | ( ( leq @ SV177 @ SV251 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[1916]) ).

thf(1918,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[505,1917,1914,1913,1909,1908,1892,1885,1870,1853,1852,1851,1850,1849,1848,1847,1846,1830,1829,1828,1827,1826,1825,1824,1823,1821,1812,1804,1803,1775,1774,1767,1766,1762,1761,1760,1759,1758,1757,1756,1755,1722,1713,1712,1711,1710,1709,1686,1678,1665,1664,1658,1657,1656,1655,1654,1653,1652,1651,1650,1649,1630,1629,1601,1600,1590,1589,1587,1584,1583,1580,1579,1578,1577,1576,1573,1526,1516,1498,1497,1496,1495,1432,1412,1411,1410,1409,1329,1323,1322,1321,1320,1319,1318,1317,1314,1313,1312,1311,1310,1309,1308,1285,1284,1283,1282,1281,1280,1260,1227,1222,1206,1205,1196,1195,1194,1193,1191,1190,1074,1073,1070,1069,1068,1067,1066,1065,1064,1062,1061,1060,1059,1058,1057,1056,1055,919,918,917,916,915,914,912,911,910,909,908,904,903,771,764,763,762,761,760,759,758,757,756,755,754,753,752,751,750,749,748,747,746,745,744,743,742,741,740,739,738,737,736,735,734,733,732,731,730,729,728,719,718,717,716,715,536,535,534,533,532,531,530,529,528,527,511,510,509,508,507,506]) ).

thf(1919,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[1918]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SWC010-1 : 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/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.20  % Computer : n001.cluster.edu
% 0.08/0.20  % Model    : x86_64 x86_64
% 0.08/0.20  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.20  % Memory   : 8046.5625MB
% 0.08/0.20  % OS       : Linux 6.8.0-71-generic
% 0.08/0.20  % CPULimit : 300
% 0.08/0.20  % WCLimit  : 300
% 0.08/0.20  % DateTime : Tue Oct  6 16:03:24 UTC 2026
% 0.08/0.20  % CPUTime  : 
% 0.08/0.20  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 16.84/3.08  .
% 16.84/3.08  
% 16.84/3.08   No.of.Axioms: 207
% 16.84/3.08  
% 16.84/3.08   Length.of.Defs: 0
% 16.84/3.08  
% 16.84/3.08   Contains.Choice.Funs: false
% 16.84/3.08  ........................................................
% 16.84/3.08  
% 16.84/3.08  ********************************
% 16.84/3.08  *   All subproblems solved!    *
% 16.84/3.08  ********************************
% 16.84/3.08  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:207,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:1918,loop_count:0,foatp_calls:1,translation:fof_full)
% 16.84/3.08  
% 16.84/3.08  %**** Beginning of derivation protocol ****
% 16.84/3.08  % SZS output start CNFRefutation
% See solution above
% 16.84/3.09  
% 16.84/3.09  %**** End of derivation protocol ****
% 16.84/3.09  %**** no. of clauses in derivation: 1919 ****
% 16.84/3.09  %**** clause counter: 1918 ****
% 16.84/3.09  
% 16.84/3.09  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:207,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:1918,loop_count:0,foatp_calls:1,translation:fof_full)
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