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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : ITP056^1 : TPTP v9.3.1. Released v7.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n006.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Oct  7 10:23:52 AM UTC 2026

% Result   : Theorem 4.81s 1.08s
% Output   : CNFRefutation 4.81s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   33
%            Number of leaves      :   39
% Syntax   : Number of formulae    :  520 ( 221 unt;   0 typ;   0 def)
%            Number of atoms       : 3456 (1731 equ;   0 cnn)
%            Maximal formula atoms :    4 (   6 avg)
%            Number of connectives : 7167 (1167   ~; 997   |;   6   &;4913   @)
%                                         (   0 <=>;  84  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Number of types       :    4 (   3 usr)
%            Number of type conns  :  251 ( 251   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   30 (  27 usr;   6 con; 0-4 aty)
%            Number of variables   : 1594 (  26   ^;1559   !;   9   ?;1594   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_config256849571t_unit,type,
    config256849571t_unit: $tType ).

thf(tp_list_c1059388851t_unit,type,
    list_c1059388851t_unit: $tType ).

thf(tp_nat,type,
    nat: $tType ).

thf(tp_fe,type,
    fe: nat > list_c1059388851t_unit ).

thf(tp_last_c571238084t_unit,type,
    last_c571238084t_unit: list_c1059388851t_unit > config256849571t_unit ).

thf(tp_minus_minus_nat,type,
    minus_minus_nat: nat > nat > nat ).

thf(tp_n,type,
    n: nat ).

thf(tp_n0,type,
    n0: nat ).

thf(tp_nil_co1338500125t_unit,type,
    nil_co1338500125t_unit: list_c1059388851t_unit ).

thf(tp_nth_co1649820636t_unit,type,
    nth_co1649820636t_unit: list_c1059388851t_unit > nat > config256849571t_unit ).

thf(tp_one_one_nat,type,
    one_one_nat: nat ).

thf(tp_ord_less_eq_nat,type,
    ord_less_eq_nat: nat > nat > $o ).

thf(tp_ord_less_nat,type,
    ord_less_nat: nat > nat > $o ).

thf(tp_plus_plus_nat,type,
    plus_plus_nat: nat > nat > nat ).

thf(tp_prefix1615116500t_unit,type,
    prefix1615116500t_unit: list_c1059388851t_unit > list_c1059388851t_unit > $o ).

thf(tp_sK10_SY180,type,
    sK10_SY180: config256849571t_unit > nat > nat > ( nat > config256849571t_unit > $o ) > config256849571t_unit ).

thf(tp_sK11_SY159,type,
    sK11_SY159: list_c1059388851t_unit > ( nat > config256849571t_unit > $o ) > nat > list_c1059388851t_unit ).

thf(tp_sK12_SY159,type,
    sK12_SY159: list_c1059388851t_unit > ( nat > config256849571t_unit > $o ) > nat > list_c1059388851t_unit ).

thf(tp_sK13_SY182,type,
    sK13_SY182: list_c1059388851t_unit > nat > nat > ( nat > config256849571t_unit > $o ) > config256849571t_unit ).

thf(tp_sK14_SY183,type,
    sK14_SY183: list_c1059388851t_unit > nat > nat > ( nat > config256849571t_unit > $o ) > config256849571t_unit ).

thf(tp_sK1_SY111,type,
    sK1_SY111: nat > list_c1059388851t_unit ).

thf(tp_sK2_SY116,type,
    sK2_SY116: list_c1059388851t_unit > ( list_c1059388851t_unit > $o ) > list_c1059388851t_unit ).

thf(tp_sK3_SY157,type,
    sK3_SY157: ( nat > config256849571t_unit > $o ) > nat > nat ).

thf(tp_sK4_SY172,type,
    sK4_SY172: list_c1059388851t_unit > list_c1059388851t_unit > nat ).

thf(tp_sK5_SY174,type,
    sK5_SY174: list_c1059388851t_unit > list_c1059388851t_unit > nat ).

thf(tp_sK6_SY159,type,
    sK6_SY159: ( nat > config256849571t_unit > $o ) > nat > list_c1059388851t_unit ).

thf(tp_sK7_SY177,type,
    sK7_SY177: list_c1059388851t_unit > ( nat > config256849571t_unit > $o ) > nat > nat ).

thf(tp_sK8_SY159,type,
    sK8_SY159: config256849571t_unit > ( nat > config256849571t_unit > $o ) > nat > list_c1059388851t_unit ).

thf(tp_sK9_SY178,type,
    sK9_SY178: nat > nat > ( nat > config256849571t_unit > $o ) > config256849571t_unit ).

thf(tp_size_s1406904903t_unit,type,
    size_s1406904903t_unit: list_c1059388851t_unit > nat ).

thf(88,axiom,
    ! [M: nat,N: nat] :
      ( ( minus_minus_nat @ ( plus_plus_nat @ M @ N ) @ N )
      = M ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_126_diff__add__inverse2) ).

thf(89,axiom,
    ! [N: nat,M: nat] :
      ( ( minus_minus_nat @ ( plus_plus_nat @ N @ M ) @ N )
      = M ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_125_diff__add__inverse) ).

thf(90,axiom,
    ! [M: nat,K: nat,N: nat] :
      ( ( minus_minus_nat @ ( plus_plus_nat @ M @ K ) @ ( plus_plus_nat @ N @ K ) )
      = ( minus_minus_nat @ M @ N ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_124_diff__cancel2) ).

thf(91,axiom,
    ! [K: nat,M: nat,N: nat] :
      ( ( minus_minus_nat @ ( plus_plus_nat @ K @ M ) @ ( plus_plus_nat @ K @ N ) )
      = ( minus_minus_nat @ M @ N ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_123_Nat_Odiff__cancel) ).

thf(111,axiom,
    ! [C: nat,B: nat,A: nat] :
      ( ( ( plus_plus_nat @ C @ B )
        = A )
     => ( C
        = ( minus_minus_nat @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_103_add__implies__diff) ).

thf(112,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( minus_minus_nat @ ( minus_minus_nat @ A @ B ) @ C )
      = ( minus_minus_nat @ A @ ( plus_plus_nat @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_102_diff__diff__add) ).

thf(143,axiom,
    ! [I: nat,J: nat,K: nat] :
      ( ( minus_minus_nat @ ( minus_minus_nat @ I @ J ) @ K )
      = ( minus_minus_nat @ I @ ( plus_plus_nat @ J @ K ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_71_diff__diff__left) ).

thf(146,axiom,
    ! [A: nat,B: nat] :
      ( ( minus_minus_nat @ ( plus_plus_nat @ A @ B ) @ B )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_68_add__diff__cancel__right_H) ).

thf(147,axiom,
    ! [A: nat,C: nat,B: nat] :
      ( ( minus_minus_nat @ ( plus_plus_nat @ A @ C ) @ ( plus_plus_nat @ B @ C ) )
      = ( minus_minus_nat @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_67_add__diff__cancel__right) ).

thf(148,axiom,
    ! [A: nat,B: nat] :
      ( ( minus_minus_nat @ ( plus_plus_nat @ A @ B ) @ A )
      = B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_66_add__diff__cancel__left_H) ).

thf(149,axiom,
    ! [C: nat,A: nat,B: nat] :
      ( ( minus_minus_nat @ ( plus_plus_nat @ C @ A ) @ ( plus_plus_nat @ C @ B ) )
      = ( minus_minus_nat @ A @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_65_add__diff__cancel__left) ).

thf(160,axiom,
    ord_less_eq_nat @ one_one_nat @ one_one_nat,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_54_le__numeral__extra_I4_J) ).

thf(161,axiom,
    ~ ( ord_less_nat @ one_one_nat @ one_one_nat ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_53_less__numeral__extra_I4_J) ).

thf(166,axiom,
    ! [A: nat,C: nat,B: nat] :
      ( ( minus_minus_nat @ ( minus_minus_nat @ A @ C ) @ B )
      = ( minus_minus_nat @ ( minus_minus_nat @ A @ B ) @ C ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_48_diff__right__commute) ).

thf(167,axiom,
    ! [X: nat] :
      ( ( one_one_nat = X )
      = ( X = one_one_nat ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_47_one__reorient) ).

thf(168,axiom,
    ! [Xs: list_c1059388851t_unit,Ys: list_c1059388851t_unit] :
      ( ( ( size_s1406904903t_unit @ Xs )
        = ( size_s1406904903t_unit @ Ys ) )
     => ( ! [I2: nat] :
            ( ( ord_less_nat @ I2 @ ( size_s1406904903t_unit @ Xs ) )
           => ( ( nth_co1649820636t_unit @ Xs @ I2 )
              = ( nth_co1649820636t_unit @ Ys @ I2 ) ) )
       => ( Xs = Ys ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_46_nth__equalityI) ).

thf(169,axiom,
    ! [K: nat,P: nat > config256849571t_unit > $o] :
      ( ( ! [I3: nat] :
            ( ( ord_less_nat @ I3 @ K )
           => ? [X3: config256849571t_unit] : ( P @ I3 @ X3 ) ) )
      = ( ? [Xs3: list_c1059388851t_unit] :
            ( ( ( size_s1406904903t_unit @ Xs3 )
              = K )
            & ! [I3: nat] :
                ( ( ord_less_nat @ I3 @ K )
               => ( P @ I3 @ ( nth_co1649820636t_unit @ Xs3 @ I3 ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_45_Skolem__list__nth) ).

thf(170,axiom,
    ( ( ^ [Y4: list_c1059388851t_unit,Z: list_c1059388851t_unit] : ( Y4 = Z ) )
    = ( ^ [Xs3: list_c1059388851t_unit,Ys3: list_c1059388851t_unit] :
          ( ( ( size_s1406904903t_unit @ Xs3 )
            = ( size_s1406904903t_unit @ Ys3 ) )
          & ! [I3: nat] :
              ( ( ord_less_nat @ I3 @ ( size_s1406904903t_unit @ Xs3 ) )
             => ( ( nth_co1649820636t_unit @ Xs3 @ I3 )
                = ( nth_co1649820636t_unit @ Ys3 @ I3 ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_44_list__eq__iff__nth__eq) ).

thf(171,axiom,
    ! [K: nat,M: nat,N: nat] :
      ( ( ord_less_eq_nat @ K @ M )
     => ( ( ord_less_eq_nat @ K @ N )
       => ( ( ( minus_minus_nat @ M @ K )
            = ( minus_minus_nat @ N @ K ) )
          = ( M = N ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_43_eq__diff__iff) ).

thf(172,axiom,
    ! [K: nat,M: nat,N: nat] :
      ( ( ord_less_eq_nat @ K @ M )
     => ( ( ord_less_eq_nat @ K @ N )
       => ( ( ord_less_eq_nat @ ( minus_minus_nat @ M @ K ) @ ( minus_minus_nat @ N @ K ) )
          = ( ord_less_eq_nat @ M @ N ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_42_le__diff__iff) ).

thf(173,axiom,
    ! [K: nat,M: nat,N: nat] :
      ( ( ord_less_eq_nat @ K @ M )
     => ( ( ord_less_eq_nat @ K @ N )
       => ( ( minus_minus_nat @ ( minus_minus_nat @ M @ K ) @ ( minus_minus_nat @ N @ K ) )
          = ( minus_minus_nat @ M @ N ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_41_Nat_Odiff__diff__eq) ).

thf(174,axiom,
    ! [M: nat,N: nat,L: nat] :
      ( ( ord_less_eq_nat @ M @ N )
     => ( ord_less_eq_nat @ ( minus_minus_nat @ M @ L ) @ ( minus_minus_nat @ N @ L ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_40_diff__le__mono) ).

thf(175,axiom,
    ! [M: nat,N: nat] : ( ord_less_eq_nat @ ( minus_minus_nat @ M @ N ) @ M ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_39_diff__le__self) ).

thf(176,axiom,
    ! [A: nat,C: nat,B: nat] :
      ( ( ord_less_eq_nat @ A @ C )
     => ( ( ord_less_eq_nat @ B @ C )
       => ( ( ord_less_eq_nat @ ( minus_minus_nat @ C @ A ) @ ( minus_minus_nat @ C @ B ) )
          = ( ord_less_eq_nat @ B @ A ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_38_le__diff__iff_H) ).

thf(177,axiom,
    ! [M: nat,N: nat,L: nat] :
      ( ( ord_less_eq_nat @ M @ N )
     => ( ord_less_eq_nat @ ( minus_minus_nat @ L @ N ) @ ( minus_minus_nat @ L @ M ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_37_diff__le__mono2) ).

thf(178,axiom,
    ! [M: nat,N: nat,L: nat] :
      ( ( ord_less_nat @ M @ N )
     => ( ( ord_less_nat @ M @ L )
       => ( ord_less_nat @ ( minus_minus_nat @ L @ N ) @ ( minus_minus_nat @ L @ M ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_36_diff__less__mono2) ).

thf(179,axiom,
    ! [J: nat,K: nat,N: nat] :
      ( ( ord_less_nat @ J @ K )
     => ( ord_less_nat @ ( minus_minus_nat @ J @ N ) @ K ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_35_less__imp__diff__less) ).

thf(180,axiom,
    ! [P: list_c1059388851t_unit > $o,Xs: list_c1059388851t_unit] :
      ( ! [Xs2: list_c1059388851t_unit] :
          ( ! [Ys2: list_c1059388851t_unit] :
              ( ( ord_less_nat @ ( size_s1406904903t_unit @ Ys2 ) @ ( size_s1406904903t_unit @ Xs2 ) )
             => ( P @ Ys2 ) )
         => ( P @ Xs2 ) )
     => ( P @ Xs ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_34_length__induct) ).

thf(203,axiom,
    ! [I: nat,N: nat] :
      ( ( ord_less_eq_nat @ I @ N )
     => ( ( minus_minus_nat @ N @ ( minus_minus_nat @ N @ I ) )
        = I ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_11_diff__diff__cancel) ).

thf(204,axiom,
    ! [X: list_c1059388851t_unit,Y: list_c1059388851t_unit] :
      ( ( ( size_s1406904903t_unit @ X )
       != ( size_s1406904903t_unit @ Y ) )
     => ( X != Y ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_10_size__neq__size__imp__neq) ).

thf(205,axiom,
    ! [Xs: list_c1059388851t_unit,Ys: list_c1059388851t_unit] :
      ( ( ( size_s1406904903t_unit @ Xs )
       != ( size_s1406904903t_unit @ Ys ) )
     => ( Xs != Ys ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_9_neq__if__length__neq) ).

thf(206,axiom,
    ! [N: nat] :
    ? [Xs2: list_c1059388851t_unit] :
      ( ( size_s1406904903t_unit @ Xs2 )
      = N ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_8_Ex__list__of__length) ).

thf(207,axiom,
    ! [I: nat,J: nat,K: nat] :
      ( ( minus_minus_nat @ ( minus_minus_nat @ I @ J ) @ K )
      = ( minus_minus_nat @ ( minus_minus_nat @ I @ K ) @ J ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_7_diff__commute) ).

thf(208,axiom,
    one_one_nat = one_one_nat,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_6_one__natural_Orsp) ).

thf(210,axiom,
    ! [Xs: list_c1059388851t_unit] :
      ( ( Xs != nil_co1338500125t_unit )
     => ( ( last_c571238084t_unit @ Xs )
        = ( nth_co1649820636t_unit @ Xs @ ( minus_minus_nat @ ( size_s1406904903t_unit @ Xs ) @ one_one_nat ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_4_last__conv__nth) ).

thf(212,axiom,
    ord_less_nat @ ( minus_minus_nat @ ( size_s1406904903t_unit @ ( fe @ n ) ) @ one_one_nat ) @ ( size_s1406904903t_unit @ ( fe @ n ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_2_Fou2) ).

thf(213,axiom,
    ! [L: list_c1059388851t_unit] :
      ( ( L != nil_co1338500125t_unit )
     => ( ( last_c571238084t_unit @ L )
        = ( nth_co1649820636t_unit @ L @ ( minus_minus_nat @ ( size_s1406904903t_unit @ L ) @ one_one_nat ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_1_LastIsLastIndex) ).

thf(214,axiom,
    ( ( fe @ n )
   != nil_co1338500125t_unit ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fact_0_FeNNotEmpty) ).

thf(215,conjecture,
    ( ( last_c571238084t_unit @ ( fe @ n ) )
    = ( nth_co1649820636t_unit @ ( fe @ n ) @ ( minus_minus_nat @ ( size_s1406904903t_unit @ ( fe @ n ) ) @ one_one_nat ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',conj_0) ).

thf(216,negated_conjecture,
    ( ( ( last_c571238084t_unit @ ( fe @ n ) )
      = ( nth_co1649820636t_unit @ ( fe @ n ) @ ( minus_minus_nat @ ( size_s1406904903t_unit @ ( fe @ n ) ) @ one_one_nat ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[215]) ).

thf(217,plain,
    ( ( ( last_c571238084t_unit @ ( fe @ n ) )
      = ( nth_co1649820636t_unit @ ( fe @ n ) @ ( minus_minus_nat @ ( size_s1406904903t_unit @ ( fe @ n ) ) @ one_one_nat ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[216]) ).

thf(218,plain,
    ( ( ! [M: nat,N: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ M @ N ) @ N )
          = M ) )
    = $true ),
    inference(unfold_def,[status(thm)],[88]) ).

thf(219,plain,
    ( ( ! [N: nat,M: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ N @ M ) @ N )
          = M ) )
    = $true ),
    inference(unfold_def,[status(thm)],[89]) ).

thf(220,plain,
    ( ( ! [M: nat,K: nat,N: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ M @ K ) @ ( plus_plus_nat @ N @ K ) )
          = ( minus_minus_nat @ M @ N ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[90]) ).

thf(221,plain,
    ( ( ! [K: nat,M: nat,N: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ K @ M ) @ ( plus_plus_nat @ K @ N ) )
          = ( minus_minus_nat @ M @ N ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[91]) ).

thf(222,plain,
    ( ( ! [C: nat,B: nat,A: nat] :
          ( ( ( plus_plus_nat @ C @ B )
            = A )
         => ( C
            = ( minus_minus_nat @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[111]) ).

thf(223,plain,
    ( ( ! [A: nat,B: nat,C: nat] :
          ( ( minus_minus_nat @ ( minus_minus_nat @ A @ B ) @ C )
          = ( minus_minus_nat @ A @ ( plus_plus_nat @ B @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[112]) ).

thf(224,plain,
    ( ( ! [I: nat,J: nat,K: nat] :
          ( ( minus_minus_nat @ ( minus_minus_nat @ I @ J ) @ K )
          = ( minus_minus_nat @ I @ ( plus_plus_nat @ J @ K ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[143]) ).

thf(225,plain,
    ( ( ! [A: nat,B: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ A @ B ) @ B )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[146]) ).

thf(226,plain,
    ( ( ! [A: nat,C: nat,B: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ A @ C ) @ ( plus_plus_nat @ B @ C ) )
          = ( minus_minus_nat @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[147]) ).

thf(227,plain,
    ( ( ! [A: nat,B: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ A @ B ) @ A )
          = B ) )
    = $true ),
    inference(unfold_def,[status(thm)],[148]) ).

thf(228,plain,
    ( ( ! [C: nat,A: nat,B: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ C @ A ) @ ( plus_plus_nat @ C @ B ) )
          = ( minus_minus_nat @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[149]) ).

thf(229,plain,
    ( ( ord_less_eq_nat @ one_one_nat @ one_one_nat )
    = $true ),
    inference(unfold_def,[status(thm)],[160]) ).

thf(230,plain,
    ( ( ~ ( ord_less_nat @ one_one_nat @ one_one_nat ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(231,plain,
    ( ( ! [A: nat,C: nat,B: nat] :
          ( ( minus_minus_nat @ ( minus_minus_nat @ A @ C ) @ B )
          = ( minus_minus_nat @ ( minus_minus_nat @ A @ B ) @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[166]) ).

thf(232,plain,
    ( ( ! [X: nat] :
          ( ( one_one_nat = X )
          = ( X = one_one_nat ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[167]) ).

thf(233,plain,
    ( ( ! [Xs: list_c1059388851t_unit,Ys: list_c1059388851t_unit] :
          ( ( ( size_s1406904903t_unit @ Xs )
            = ( size_s1406904903t_unit @ Ys ) )
         => ( ! [I2: nat] :
                ( ( ord_less_nat @ I2 @ ( size_s1406904903t_unit @ Xs ) )
               => ( ( nth_co1649820636t_unit @ Xs @ I2 )
                  = ( nth_co1649820636t_unit @ Ys @ I2 ) ) )
           => ( Xs = Ys ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(234,plain,
    ( ( ! [K: nat,P: nat > config256849571t_unit > $o] :
          ( ( ! [I3: nat] :
                ( ( ord_less_nat @ I3 @ K )
               => ? [X3: config256849571t_unit] : ( P @ I3 @ X3 ) ) )
          = ( ? [Xs3: list_c1059388851t_unit] :
                ( ( ( size_s1406904903t_unit @ Xs3 )
                  = K )
                & ! [I3: nat] :
                    ( ( ord_less_nat @ I3 @ K )
                   => ( P @ I3 @ ( nth_co1649820636t_unit @ Xs3 @ I3 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[169]) ).

thf(235,plain,
    ( ( ( ^ [Y4: list_c1059388851t_unit,Z: list_c1059388851t_unit] : ( Y4 = Z ) )
      = ( ^ [Xs3: list_c1059388851t_unit,Ys3: list_c1059388851t_unit] :
            ( ( ( size_s1406904903t_unit @ Xs3 )
              = ( size_s1406904903t_unit @ Ys3 ) )
            & ! [I3: nat] :
                ( ( ord_less_nat @ I3 @ ( size_s1406904903t_unit @ Xs3 ) )
               => ( ( nth_co1649820636t_unit @ Xs3 @ I3 )
                  = ( nth_co1649820636t_unit @ Ys3 @ I3 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[170]) ).

thf(236,plain,
    ( ( ! [K: nat,M: nat,N: nat] :
          ( ( ord_less_eq_nat @ K @ M )
         => ( ( ord_less_eq_nat @ K @ N )
           => ( ( ( minus_minus_nat @ M @ K )
                = ( minus_minus_nat @ N @ K ) )
              = ( M = N ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[171]) ).

thf(237,plain,
    ( ( ! [K: nat,M: nat,N: nat] :
          ( ( ord_less_eq_nat @ K @ M )
         => ( ( ord_less_eq_nat @ K @ N )
           => ( ( ord_less_eq_nat @ ( minus_minus_nat @ M @ K ) @ ( minus_minus_nat @ N @ K ) )
              = ( ord_less_eq_nat @ M @ N ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[172]) ).

thf(238,plain,
    ( ( ! [K: nat,M: nat,N: nat] :
          ( ( ord_less_eq_nat @ K @ M )
         => ( ( ord_less_eq_nat @ K @ N )
           => ( ( minus_minus_nat @ ( minus_minus_nat @ M @ K ) @ ( minus_minus_nat @ N @ K ) )
              = ( minus_minus_nat @ M @ N ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[173]) ).

thf(239,plain,
    ( ( ! [M: nat,N: nat,L: nat] :
          ( ( ord_less_eq_nat @ M @ N )
         => ( ord_less_eq_nat @ ( minus_minus_nat @ M @ L ) @ ( minus_minus_nat @ N @ L ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[174]) ).

thf(240,plain,
    ( ( ! [M: nat,N: nat] : ( ord_less_eq_nat @ ( minus_minus_nat @ M @ N ) @ M ) )
    = $true ),
    inference(unfold_def,[status(thm)],[175]) ).

thf(241,plain,
    ( ( ! [A: nat,C: nat,B: nat] :
          ( ( ord_less_eq_nat @ A @ C )
         => ( ( ord_less_eq_nat @ B @ C )
           => ( ( ord_less_eq_nat @ ( minus_minus_nat @ C @ A ) @ ( minus_minus_nat @ C @ B ) )
              = ( ord_less_eq_nat @ B @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[176]) ).

thf(242,plain,
    ( ( ! [M: nat,N: nat,L: nat] :
          ( ( ord_less_eq_nat @ M @ N )
         => ( ord_less_eq_nat @ ( minus_minus_nat @ L @ N ) @ ( minus_minus_nat @ L @ M ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[177]) ).

thf(243,plain,
    ( ( ! [M: nat,N: nat,L: nat] :
          ( ( ord_less_nat @ M @ N )
         => ( ( ord_less_nat @ M @ L )
           => ( ord_less_nat @ ( minus_minus_nat @ L @ N ) @ ( minus_minus_nat @ L @ M ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[178]) ).

thf(244,plain,
    ( ( ! [J: nat,K: nat,N: nat] :
          ( ( ord_less_nat @ J @ K )
         => ( ord_less_nat @ ( minus_minus_nat @ J @ N ) @ K ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[179]) ).

thf(245,plain,
    ( ( ! [P: list_c1059388851t_unit > $o,Xs: list_c1059388851t_unit] :
          ( ! [Xs2: list_c1059388851t_unit] :
              ( ! [Ys2: list_c1059388851t_unit] :
                  ( ( ord_less_nat @ ( size_s1406904903t_unit @ Ys2 ) @ ( size_s1406904903t_unit @ Xs2 ) )
                 => ( P @ Ys2 ) )
             => ( P @ Xs2 ) )
         => ( P @ Xs ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[180]) ).

thf(246,plain,
    ( ( ! [I: nat,N: nat] :
          ( ( ord_less_eq_nat @ I @ N )
         => ( ( minus_minus_nat @ N @ ( minus_minus_nat @ N @ I ) )
            = I ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[203]) ).

thf(247,plain,
    ( ( ! [X: list_c1059388851t_unit,Y: list_c1059388851t_unit] :
          ( ( ( size_s1406904903t_unit @ X )
           != ( size_s1406904903t_unit @ Y ) )
         => ( X != Y ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[204]) ).

thf(248,plain,
    ( ( ! [Xs: list_c1059388851t_unit,Ys: list_c1059388851t_unit] :
          ( ( ( size_s1406904903t_unit @ Xs )
           != ( size_s1406904903t_unit @ Ys ) )
         => ( Xs != Ys ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[205]) ).

thf(249,plain,
    ( ( ! [N: nat] :
        ? [Xs2: list_c1059388851t_unit] :
          ( ( size_s1406904903t_unit @ Xs2 )
          = N ) )
    = $true ),
    inference(unfold_def,[status(thm)],[206]) ).

thf(250,plain,
    ( ( ! [I: nat,J: nat,K: nat] :
          ( ( minus_minus_nat @ ( minus_minus_nat @ I @ J ) @ K )
          = ( minus_minus_nat @ ( minus_minus_nat @ I @ K ) @ J ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[207]) ).

thf(251,plain,
    ( ( one_one_nat = one_one_nat )
    = $true ),
    inference(unfold_def,[status(thm)],[208]) ).

thf(252,plain,
    ( ( ! [Xs: list_c1059388851t_unit] :
          ( ( Xs != nil_co1338500125t_unit )
         => ( ( last_c571238084t_unit @ Xs )
            = ( nth_co1649820636t_unit @ Xs @ ( minus_minus_nat @ ( size_s1406904903t_unit @ Xs ) @ one_one_nat ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[210]) ).

thf(253,plain,
    ( ( ord_less_nat @ ( minus_minus_nat @ ( size_s1406904903t_unit @ ( fe @ n ) ) @ one_one_nat ) @ ( size_s1406904903t_unit @ ( fe @ n ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[212]) ).

thf(254,plain,
    ( ( ! [L: list_c1059388851t_unit] :
          ( ( L != nil_co1338500125t_unit )
         => ( ( last_c571238084t_unit @ L )
            = ( nth_co1649820636t_unit @ L @ ( minus_minus_nat @ ( size_s1406904903t_unit @ L ) @ one_one_nat ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[213]) ).

thf(255,plain,
    ( ( ( fe @ n )
     != nil_co1338500125t_unit )
    = $true ),
    inference(unfold_def,[status(thm)],[214]) ).

thf(256,plain,
    ( ( ( last_c571238084t_unit @ ( fe @ n ) )
     != ( nth_co1649820636t_unit @ ( fe @ n ) @ ( minus_minus_nat @ ( size_s1406904903t_unit @ ( fe @ n ) ) @ one_one_nat ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[217]) ).

thf(257,plain,
    ( ( ( fe @ n )
     != nil_co1338500125t_unit )
    = $true ),
    inference(copy,[status(thm)],[255]) ).

thf(258,plain,
    ( ( ! [L: list_c1059388851t_unit] :
          ( ( L != nil_co1338500125t_unit )
         => ( ( last_c571238084t_unit @ L )
            = ( nth_co1649820636t_unit @ L @ ( minus_minus_nat @ ( size_s1406904903t_unit @ L ) @ one_one_nat ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[254]) ).

thf(259,plain,
    ( ( ord_less_nat @ ( minus_minus_nat @ ( size_s1406904903t_unit @ ( fe @ n ) ) @ one_one_nat ) @ ( size_s1406904903t_unit @ ( fe @ n ) ) )
    = $true ),
    inference(copy,[status(thm)],[253]) ).

thf(260,plain,
    ( ( ! [Xs: list_c1059388851t_unit] :
          ( ( Xs != nil_co1338500125t_unit )
         => ( ( last_c571238084t_unit @ Xs )
            = ( nth_co1649820636t_unit @ Xs @ ( minus_minus_nat @ ( size_s1406904903t_unit @ Xs ) @ one_one_nat ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[252]) ).

thf(261,plain,
    ( ( one_one_nat = one_one_nat )
    = $true ),
    inference(copy,[status(thm)],[251]) ).

thf(262,plain,
    ( ( ! [I: nat,J: nat,K: nat] :
          ( ( minus_minus_nat @ ( minus_minus_nat @ I @ J ) @ K )
          = ( minus_minus_nat @ ( minus_minus_nat @ I @ K ) @ J ) ) )
    = $true ),
    inference(copy,[status(thm)],[250]) ).

thf(263,plain,
    ( ( ! [N: nat] :
        ? [Xs2: list_c1059388851t_unit] :
          ( ( size_s1406904903t_unit @ Xs2 )
          = N ) )
    = $true ),
    inference(copy,[status(thm)],[249]) ).

thf(264,plain,
    ( ( ! [Xs: list_c1059388851t_unit,Ys: list_c1059388851t_unit] :
          ( ( ( size_s1406904903t_unit @ Xs )
           != ( size_s1406904903t_unit @ Ys ) )
         => ( Xs != Ys ) ) )
    = $true ),
    inference(copy,[status(thm)],[248]) ).

thf(265,plain,
    ( ( ! [X: list_c1059388851t_unit,Y: list_c1059388851t_unit] :
          ( ( ( size_s1406904903t_unit @ X )
           != ( size_s1406904903t_unit @ Y ) )
         => ( X != Y ) ) )
    = $true ),
    inference(copy,[status(thm)],[247]) ).

thf(266,plain,
    ( ( ! [I: nat,N: nat] :
          ( ( ord_less_eq_nat @ I @ N )
         => ( ( minus_minus_nat @ N @ ( minus_minus_nat @ N @ I ) )
            = I ) ) )
    = $true ),
    inference(copy,[status(thm)],[246]) ).

thf(267,plain,
    ( ( ! [P: list_c1059388851t_unit > $o,Xs: list_c1059388851t_unit] :
          ( ! [Xs2: list_c1059388851t_unit] :
              ( ! [Ys2: list_c1059388851t_unit] :
                  ( ( ord_less_nat @ ( size_s1406904903t_unit @ Ys2 ) @ ( size_s1406904903t_unit @ Xs2 ) )
                 => ( P @ Ys2 ) )
             => ( P @ Xs2 ) )
         => ( P @ Xs ) ) )
    = $true ),
    inference(copy,[status(thm)],[245]) ).

thf(268,plain,
    ( ( ! [J: nat,K: nat,N: nat] :
          ( ( ord_less_nat @ J @ K )
         => ( ord_less_nat @ ( minus_minus_nat @ J @ N ) @ K ) ) )
    = $true ),
    inference(copy,[status(thm)],[244]) ).

thf(269,plain,
    ( ( ! [M: nat,N: nat,L: nat] :
          ( ( ord_less_nat @ M @ N )
         => ( ( ord_less_nat @ M @ L )
           => ( ord_less_nat @ ( minus_minus_nat @ L @ N ) @ ( minus_minus_nat @ L @ M ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[243]) ).

thf(270,plain,
    ( ( ! [M: nat,N: nat,L: nat] :
          ( ( ord_less_eq_nat @ M @ N )
         => ( ord_less_eq_nat @ ( minus_minus_nat @ L @ N ) @ ( minus_minus_nat @ L @ M ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[242]) ).

thf(271,plain,
    ( ( ! [A: nat,C: nat,B: nat] :
          ( ( ord_less_eq_nat @ A @ C )
         => ( ( ord_less_eq_nat @ B @ C )
           => ( ( ord_less_eq_nat @ ( minus_minus_nat @ C @ A ) @ ( minus_minus_nat @ C @ B ) )
              = ( ord_less_eq_nat @ B @ A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[241]) ).

thf(272,plain,
    ( ( ! [M: nat,N: nat] : ( ord_less_eq_nat @ ( minus_minus_nat @ M @ N ) @ M ) )
    = $true ),
    inference(copy,[status(thm)],[240]) ).

thf(273,plain,
    ( ( ! [M: nat,N: nat,L: nat] :
          ( ( ord_less_eq_nat @ M @ N )
         => ( ord_less_eq_nat @ ( minus_minus_nat @ M @ L ) @ ( minus_minus_nat @ N @ L ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[239]) ).

thf(274,plain,
    ( ( ! [K: nat,M: nat,N: nat] :
          ( ( ord_less_eq_nat @ K @ M )
         => ( ( ord_less_eq_nat @ K @ N )
           => ( ( minus_minus_nat @ ( minus_minus_nat @ M @ K ) @ ( minus_minus_nat @ N @ K ) )
              = ( minus_minus_nat @ M @ N ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[238]) ).

thf(275,plain,
    ( ( ! [K: nat,M: nat,N: nat] :
          ( ( ord_less_eq_nat @ K @ M )
         => ( ( ord_less_eq_nat @ K @ N )
           => ( ( ord_less_eq_nat @ ( minus_minus_nat @ M @ K ) @ ( minus_minus_nat @ N @ K ) )
              = ( ord_less_eq_nat @ M @ N ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[237]) ).

thf(276,plain,
    ( ( ! [K: nat,M: nat,N: nat] :
          ( ( ord_less_eq_nat @ K @ M )
         => ( ( ord_less_eq_nat @ K @ N )
           => ( ( ( minus_minus_nat @ M @ K )
                = ( minus_minus_nat @ N @ K ) )
              = ( M = N ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[236]) ).

thf(277,plain,
    ( ( ( ^ [Y4: list_c1059388851t_unit,Z: list_c1059388851t_unit] : ( Y4 = Z ) )
      = ( ^ [Xs3: list_c1059388851t_unit,Ys3: list_c1059388851t_unit] :
            ( ( ( size_s1406904903t_unit @ Xs3 )
              = ( size_s1406904903t_unit @ Ys3 ) )
            & ! [I3: nat] :
                ( ( ord_less_nat @ I3 @ ( size_s1406904903t_unit @ Xs3 ) )
               => ( ( nth_co1649820636t_unit @ Xs3 @ I3 )
                  = ( nth_co1649820636t_unit @ Ys3 @ I3 ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[235]) ).

thf(278,plain,
    ( ( ! [K: nat,P: nat > config256849571t_unit > $o] :
          ( ( ! [I3: nat] :
                ( ( ord_less_nat @ I3 @ K )
               => ? [X3: config256849571t_unit] : ( P @ I3 @ X3 ) ) )
          = ( ? [Xs3: list_c1059388851t_unit] :
                ( ( ( size_s1406904903t_unit @ Xs3 )
                  = K )
                & ! [I3: nat] :
                    ( ( ord_less_nat @ I3 @ K )
                   => ( P @ I3 @ ( nth_co1649820636t_unit @ Xs3 @ I3 ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[234]) ).

thf(279,plain,
    ( ( ! [Xs: list_c1059388851t_unit,Ys: list_c1059388851t_unit] :
          ( ( ( size_s1406904903t_unit @ Xs )
            = ( size_s1406904903t_unit @ Ys ) )
         => ( ! [I2: nat] :
                ( ( ord_less_nat @ I2 @ ( size_s1406904903t_unit @ Xs ) )
               => ( ( nth_co1649820636t_unit @ Xs @ I2 )
                  = ( nth_co1649820636t_unit @ Ys @ I2 ) ) )
           => ( Xs = Ys ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[233]) ).

thf(280,plain,
    ( ( ! [X: nat] :
          ( ( one_one_nat = X )
          = ( X = one_one_nat ) ) )
    = $true ),
    inference(copy,[status(thm)],[232]) ).

thf(281,plain,
    ( ( ! [A: nat,C: nat,B: nat] :
          ( ( minus_minus_nat @ ( minus_minus_nat @ A @ C ) @ B )
          = ( minus_minus_nat @ ( minus_minus_nat @ A @ B ) @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[231]) ).

thf(282,plain,
    ( ( ~ ( ord_less_nat @ one_one_nat @ one_one_nat ) )
    = $true ),
    inference(copy,[status(thm)],[230]) ).

thf(283,plain,
    ( ( ord_less_eq_nat @ one_one_nat @ one_one_nat )
    = $true ),
    inference(copy,[status(thm)],[229]) ).

thf(284,plain,
    ( ( ! [C: nat,A: nat,B: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ C @ A ) @ ( plus_plus_nat @ C @ B ) )
          = ( minus_minus_nat @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[228]) ).

thf(285,plain,
    ( ( ! [A: nat,B: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ A @ B ) @ A )
          = B ) )
    = $true ),
    inference(copy,[status(thm)],[227]) ).

thf(286,plain,
    ( ( ! [A: nat,C: nat,B: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ A @ C ) @ ( plus_plus_nat @ B @ C ) )
          = ( minus_minus_nat @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[226]) ).

thf(287,plain,
    ( ( ! [A: nat,B: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ A @ B ) @ B )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[225]) ).

thf(288,plain,
    ( ( ! [I: nat,J: nat,K: nat] :
          ( ( minus_minus_nat @ ( minus_minus_nat @ I @ J ) @ K )
          = ( minus_minus_nat @ I @ ( plus_plus_nat @ J @ K ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[224]) ).

thf(289,plain,
    ( ( ! [A: nat,B: nat,C: nat] :
          ( ( minus_minus_nat @ ( minus_minus_nat @ A @ B ) @ C )
          = ( minus_minus_nat @ A @ ( plus_plus_nat @ B @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[223]) ).

thf(290,plain,
    ( ( ! [C: nat,B: nat,A: nat] :
          ( ( ( plus_plus_nat @ C @ B )
            = A )
         => ( C
            = ( minus_minus_nat @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[222]) ).

thf(291,plain,
    ( ( ! [K: nat,M: nat,N: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ K @ M ) @ ( plus_plus_nat @ K @ N ) )
          = ( minus_minus_nat @ M @ N ) ) )
    = $true ),
    inference(copy,[status(thm)],[221]) ).

thf(292,plain,
    ( ( ! [M: nat,K: nat,N: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ M @ K ) @ ( plus_plus_nat @ N @ K ) )
          = ( minus_minus_nat @ M @ N ) ) )
    = $true ),
    inference(copy,[status(thm)],[220]) ).

thf(293,plain,
    ( ( ! [N: nat,M: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ N @ M ) @ N )
          = M ) )
    = $true ),
    inference(copy,[status(thm)],[219]) ).

thf(294,plain,
    ( ( ! [M: nat,N: nat] :
          ( ( minus_minus_nat @ ( plus_plus_nat @ M @ N ) @ N )
          = M ) )
    = $true ),
    inference(copy,[status(thm)],[218]) ).

thf(295,plain,
    ( ( ( last_c571238084t_unit @ ( fe @ n ) )
     != ( nth_co1649820636t_unit @ ( fe @ n ) @ ( minus_minus_nat @ ( size_s1406904903t_unit @ ( fe @ n ) ) @ one_one_nat ) ) )
    = $true ),
    inference(copy,[status(thm)],[256]) ).

thf(296,plain,
    ( ( ! [SX0: nat] :
          ~ ! [SX1: list_c1059388851t_unit] :
              ( ( size_s1406904903t_unit @ SX1 )
             != SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[263]) ).

thf(297,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ( ( plus_plus_nat @ SX0 @ SX1 )
           != SX2 )
          | ( SX0
            = ( minus_minus_nat @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[290]) ).

thf(298,plain,
    ( ( ! [SX0: list_c1059388851t_unit,SX1: list_c1059388851t_unit] :
          ( ~ ( ( ( size_s1406904903t_unit @ SX0 )
               != ( size_s1406904903t_unit @ SX1 ) ) )
          | ( SX0 != SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[265]) ).

thf(299,plain,
    ( ( ! [SX0: list_c1059388851t_unit] :
          ( ~ ( ( SX0 != nil_co1338500125t_unit ) )
          | ( ( last_c571238084t_unit @ SX0 )
            = ( nth_co1649820636t_unit @ SX0 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SX0 ) @ one_one_nat ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[260]) ).

thf(300,plain,
    ( ( ! [SX0: list_c1059388851t_unit > $o,SX1: list_c1059388851t_unit] :
          ( ~ ! [SX2: list_c1059388851t_unit] :
                ( ~ ! [SX3: list_c1059388851t_unit] :
                      ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SX3 ) @ ( size_s1406904903t_unit @ SX2 ) )
                      | ( SX0 @ SX3 ) )
                | ( SX0 @ SX2 ) )
          | ( SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[267]) ).

thf(301,plain,
    ( ( ! [SX0: nat,SX1: nat > config256849571t_unit > $o] :
          ( ( ! [SX2: nat] :
                ( ~ ( ord_less_nat @ SX2 @ SX0 )
                | ~ ! [SX3: config256849571t_unit] :
                      ~ ( SX1 @ SX2 @ SX3 ) ) )
          = ( ~ ! [SX2: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SX2 )
                       != SX0 )
                      | ~ ! [SX3: nat] :
                            ( ~ ( ord_less_nat @ SX3 @ SX0 )
                            | ( SX1 @ SX3 @ ( nth_co1649820636t_unit @ SX2 @ SX3 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[278]) ).

thf(302,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ~ ( ord_less_nat @ SX0 @ SX1 )
          | ( ord_less_nat @ ( minus_minus_nat @ SX0 @ SX2 ) @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[268]) ).

thf(303,plain,
    ( ( ! [SX0: nat,SX1: nat] :
          ( ~ ( ord_less_eq_nat @ SX0 @ SX1 )
          | ( ( minus_minus_nat @ SX1 @ ( minus_minus_nat @ SX1 @ SX0 ) )
            = SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[266]) ).

thf(304,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ~ ( ord_less_eq_nat @ SX0 @ SX1 )
          | ~ ( ord_less_eq_nat @ SX0 @ SX2 )
          | ( ( minus_minus_nat @ ( minus_minus_nat @ SX1 @ SX0 ) @ ( minus_minus_nat @ SX2 @ SX0 ) )
            = ( minus_minus_nat @ SX1 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[274]) ).

thf(305,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ~ ( ord_less_nat @ SX0 @ SX1 )
          | ~ ( ord_less_nat @ SX0 @ SX2 )
          | ( ord_less_nat @ ( minus_minus_nat @ SX2 @ SX1 ) @ ( minus_minus_nat @ SX2 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[269]) ).

thf(306,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ~ ( ord_less_eq_nat @ SX0 @ SX1 )
          | ~ ( ord_less_eq_nat @ SX2 @ SX1 )
          | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SX1 @ SX0 ) @ ( minus_minus_nat @ SX1 @ SX2 ) )
            = ( ord_less_eq_nat @ SX2 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[271]) ).

thf(307,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ~ ( ord_less_eq_nat @ SX0 @ SX1 )
          | ~ ( ord_less_eq_nat @ SX0 @ SX2 )
          | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SX1 @ SX0 ) @ ( minus_minus_nat @ SX2 @ SX0 ) )
            = ( ord_less_eq_nat @ SX1 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[275]) ).

thf(308,plain,
    ( ( ! [SX0: list_c1059388851t_unit] :
          ( ~ ( ( SX0 != nil_co1338500125t_unit ) )
          | ( ( last_c571238084t_unit @ SX0 )
            = ( nth_co1649820636t_unit @ SX0 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SX0 ) @ one_one_nat ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[258]) ).

thf(309,plain,
    ( ( ( fe @ n )
     != nil_co1338500125t_unit )
    = $true ),
    inference(unfold_def,[status(thm)],[257]) ).

thf(310,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ~ ( ord_less_eq_nat @ SX0 @ SX1 )
          | ( ord_less_eq_nat @ ( minus_minus_nat @ SX0 @ SX2 ) @ ( minus_minus_nat @ SX1 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[273]) ).

thf(311,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ~ ( ord_less_eq_nat @ SX0 @ SX1 )
          | ( ord_less_eq_nat @ ( minus_minus_nat @ SX2 @ SX1 ) @ ( minus_minus_nat @ SX2 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[270]) ).

thf(312,plain,
    ( ( ( ^ [SX0: list_c1059388851t_unit,SX1: list_c1059388851t_unit] : ( SX0 = SX1 ) )
      = ( ^ [SX0: list_c1059388851t_unit,SX1: list_c1059388851t_unit] :
            ~ ( ( ( size_s1406904903t_unit @ SX0 )
               != ( size_s1406904903t_unit @ SX1 ) )
              | ~ ! [SX2: nat] :
                    ( ~ ( ord_less_nat @ SX2 @ ( size_s1406904903t_unit @ SX0 ) )
                    | ( ( nth_co1649820636t_unit @ SX0 @ SX2 )
                      = ( nth_co1649820636t_unit @ SX1 @ SX2 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[277]) ).

thf(313,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ~ ( ord_less_eq_nat @ SX0 @ SX1 )
          | ~ ( ord_less_eq_nat @ SX0 @ SX2 )
          | ( ( ( minus_minus_nat @ SX1 @ SX0 )
              = ( minus_minus_nat @ SX2 @ SX0 ) )
            = ( SX1 = SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[276]) ).

thf(314,plain,
    ( ( ! [SX0: list_c1059388851t_unit,SX1: list_c1059388851t_unit] :
          ( ~ ( ( ( size_s1406904903t_unit @ SX0 )
               != ( size_s1406904903t_unit @ SX1 ) ) )
          | ( SX0 != SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[264]) ).

thf(315,plain,
    ( ( ! [SX0: list_c1059388851t_unit,SX1: list_c1059388851t_unit] :
          ( ( ( size_s1406904903t_unit @ SX0 )
           != ( size_s1406904903t_unit @ SX1 ) )
          | ~ ! [SX2: nat] :
                ( ~ ( ord_less_nat @ SX2 @ ( size_s1406904903t_unit @ SX0 ) )
                | ( ( nth_co1649820636t_unit @ SX0 @ SX2 )
                  = ( nth_co1649820636t_unit @ SX1 @ SX2 ) ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[279]) ).

thf(316,plain,
    ! [SV1: nat] :
      ( ( ! [SY90: nat,SY91: nat] :
            ( ( minus_minus_nat @ ( minus_minus_nat @ SV1 @ SY90 ) @ SY91 )
            = ( minus_minus_nat @ ( minus_minus_nat @ SV1 @ SY91 ) @ SY90 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[262]) ).

thf(317,plain,
    ! [SV2: nat] :
      ( ( ! [SY92: nat] : ( ord_less_eq_nat @ ( minus_minus_nat @ SV2 @ SY92 ) @ SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[272]) ).

thf(318,plain,
    ! [SV3: nat] :
      ( ( ( one_one_nat = SV3 )
        = ( SV3 = one_one_nat ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[280]) ).

thf(319,plain,
    ! [SV4: nat] :
      ( ( ! [SY93: nat,SY94: nat] :
            ( ( minus_minus_nat @ ( minus_minus_nat @ SV4 @ SY93 ) @ SY94 )
            = ( minus_minus_nat @ ( minus_minus_nat @ SV4 @ SY94 ) @ SY93 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[281]) ).

thf(320,plain,
    ( ( ord_less_nat @ one_one_nat @ one_one_nat )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[282]) ).

thf(321,plain,
    ! [SV5: nat] :
      ( ( ! [SY95: nat,SY96: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV5 @ SY95 ) @ ( plus_plus_nat @ SV5 @ SY96 ) )
            = ( minus_minus_nat @ SY95 @ SY96 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[284]) ).

thf(322,plain,
    ! [SV6: nat] :
      ( ( ! [SY97: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV6 @ SY97 ) @ SV6 )
            = SY97 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[285]) ).

thf(323,plain,
    ! [SV7: nat] :
      ( ( ! [SY98: nat,SY99: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV7 @ SY98 ) @ ( plus_plus_nat @ SY99 @ SY98 ) )
            = ( minus_minus_nat @ SV7 @ SY99 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[286]) ).

thf(324,plain,
    ! [SV8: nat] :
      ( ( ! [SY100: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV8 @ SY100 ) @ SY100 )
            = SV8 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[287]) ).

thf(325,plain,
    ! [SV9: nat] :
      ( ( ! [SY101: nat,SY102: nat] :
            ( ( minus_minus_nat @ ( minus_minus_nat @ SV9 @ SY101 ) @ SY102 )
            = ( minus_minus_nat @ SV9 @ ( plus_plus_nat @ SY101 @ SY102 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[288]) ).

thf(326,plain,
    ! [SV10: nat] :
      ( ( ! [SY103: nat,SY104: nat] :
            ( ( minus_minus_nat @ ( minus_minus_nat @ SV10 @ SY103 ) @ SY104 )
            = ( minus_minus_nat @ SV10 @ ( plus_plus_nat @ SY103 @ SY104 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[289]) ).

thf(327,plain,
    ! [SV11: nat] :
      ( ( ! [SY105: nat,SY106: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV11 @ SY105 ) @ ( plus_plus_nat @ SV11 @ SY106 ) )
            = ( minus_minus_nat @ SY105 @ SY106 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[291]) ).

thf(328,plain,
    ! [SV12: nat] :
      ( ( ! [SY107: nat,SY108: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV12 @ SY107 ) @ ( plus_plus_nat @ SY108 @ SY107 ) )
            = ( minus_minus_nat @ SV12 @ SY108 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[292]) ).

thf(329,plain,
    ! [SV13: nat] :
      ( ( ! [SY109: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV13 @ SY109 ) @ SV13 )
            = SY109 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[293]) ).

thf(330,plain,
    ! [SV14: nat] :
      ( ( ! [SY110: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV14 @ SY110 ) @ SY110 )
            = SV14 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[294]) ).

thf(331,plain,
    ( ( ( last_c571238084t_unit @ ( fe @ n ) )
      = ( nth_co1649820636t_unit @ ( fe @ n ) @ ( minus_minus_nat @ ( size_s1406904903t_unit @ ( fe @ n ) ) @ one_one_nat ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[295]) ).

thf(332,plain,
    ! [SV15: nat] :
      ( ( ~ ! [SY111: list_c1059388851t_unit] :
              ( ( size_s1406904903t_unit @ SY111 )
             != SV15 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[296]) ).

thf(333,plain,
    ! [SV16: nat] :
      ( ( ! [SY112: nat,SY113: nat] :
            ( ( ( plus_plus_nat @ SV16 @ SY112 )
             != SY113 )
            | ( SV16
              = ( minus_minus_nat @ SY113 @ SY112 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[297]) ).

thf(334,plain,
    ! [SV17: list_c1059388851t_unit] :
      ( ( ! [SY114: list_c1059388851t_unit] :
            ( ~ ( ( ( size_s1406904903t_unit @ SV17 )
                 != ( size_s1406904903t_unit @ SY114 ) ) )
            | ( SV17 != SY114 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[298]) ).

thf(335,plain,
    ! [SV18: list_c1059388851t_unit] :
      ( ( ~ ( ( SV18 != nil_co1338500125t_unit ) )
        | ( ( last_c571238084t_unit @ SV18 )
          = ( nth_co1649820636t_unit @ SV18 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SV18 ) @ one_one_nat ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[299]) ).

thf(336,plain,
    ! [SV19: list_c1059388851t_unit > $o] :
      ( ( ! [SY115: list_c1059388851t_unit] :
            ( ~ ! [SY116: list_c1059388851t_unit] :
                  ( ~ ! [SY117: list_c1059388851t_unit] :
                        ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SY117 ) @ ( size_s1406904903t_unit @ SY116 ) )
                        | ( SV19 @ SY117 ) )
                  | ( SV19 @ SY116 ) )
            | ( SV19 @ SY115 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[300]) ).

thf(337,plain,
    ! [SV20: nat] :
      ( ( ! [SY118: nat > config256849571t_unit > $o] :
            ( ( ! [SY119: nat] :
                  ( ~ ( ord_less_nat @ SY119 @ SV20 )
                  | ~ ! [SX3: config256849571t_unit] :
                        ~ ( SY118 @ SY119 @ SX3 ) ) )
            = ( ~ ! [SY121: list_c1059388851t_unit] :
                    ~ ~ ( ( ( size_s1406904903t_unit @ SY121 )
                         != SV20 )
                        | ~ ! [SY122: nat] :
                              ( ~ ( ord_less_nat @ SY122 @ SV20 )
                              | ( SY118 @ SY122 @ ( nth_co1649820636t_unit @ SY121 @ SY122 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[301]) ).

thf(338,plain,
    ! [SV21: nat] :
      ( ( ! [SY123: nat,SY124: nat] :
            ( ~ ( ord_less_nat @ SV21 @ SY123 )
            | ( ord_less_nat @ ( minus_minus_nat @ SV21 @ SY124 ) @ SY123 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[302]) ).

thf(339,plain,
    ! [SV22: nat] :
      ( ( ! [SY125: nat] :
            ( ~ ( ord_less_eq_nat @ SV22 @ SY125 )
            | ( ( minus_minus_nat @ SY125 @ ( minus_minus_nat @ SY125 @ SV22 ) )
              = SV22 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[303]) ).

thf(340,plain,
    ! [SV23: nat] :
      ( ( ! [SY126: nat,SY127: nat] :
            ( ~ ( ord_less_eq_nat @ SV23 @ SY126 )
            | ~ ( ord_less_eq_nat @ SV23 @ SY127 )
            | ( ( minus_minus_nat @ ( minus_minus_nat @ SY126 @ SV23 ) @ ( minus_minus_nat @ SY127 @ SV23 ) )
              = ( minus_minus_nat @ SY126 @ SY127 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[304]) ).

thf(341,plain,
    ! [SV24: nat] :
      ( ( ! [SY128: nat,SY129: nat] :
            ( ~ ( ord_less_nat @ SV24 @ SY128 )
            | ~ ( ord_less_nat @ SV24 @ SY129 )
            | ( ord_less_nat @ ( minus_minus_nat @ SY129 @ SY128 ) @ ( minus_minus_nat @ SY129 @ SV24 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[305]) ).

thf(342,plain,
    ! [SV25: nat] :
      ( ( ! [SY130: nat,SY131: nat] :
            ( ~ ( ord_less_eq_nat @ SV25 @ SY130 )
            | ~ ( ord_less_eq_nat @ SY131 @ SY130 )
            | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SY130 @ SV25 ) @ ( minus_minus_nat @ SY130 @ SY131 ) )
              = ( ord_less_eq_nat @ SY131 @ SV25 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[306]) ).

thf(343,plain,
    ! [SV26: nat] :
      ( ( ! [SY132: nat,SY133: nat] :
            ( ~ ( ord_less_eq_nat @ SV26 @ SY132 )
            | ~ ( ord_less_eq_nat @ SV26 @ SY133 )
            | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SY132 @ SV26 ) @ ( minus_minus_nat @ SY133 @ SV26 ) )
              = ( ord_less_eq_nat @ SY132 @ SY133 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[307]) ).

thf(344,plain,
    ! [SV27: list_c1059388851t_unit] :
      ( ( ~ ( ( SV27 != nil_co1338500125t_unit ) )
        | ( ( last_c571238084t_unit @ SV27 )
          = ( nth_co1649820636t_unit @ SV27 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SV27 ) @ one_one_nat ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[308]) ).

thf(345,plain,
    ( ( ( fe @ n )
      = nil_co1338500125t_unit )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[309]) ).

thf(346,plain,
    ! [SV28: nat] :
      ( ( ! [SY134: nat,SY135: nat] :
            ( ~ ( ord_less_eq_nat @ SV28 @ SY134 )
            | ( ord_less_eq_nat @ ( minus_minus_nat @ SV28 @ SY135 ) @ ( minus_minus_nat @ SY134 @ SY135 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[310]) ).

thf(347,plain,
    ! [SV29: nat] :
      ( ( ! [SY136: nat,SY137: nat] :
            ( ~ ( ord_less_eq_nat @ SV29 @ SY136 )
            | ( ord_less_eq_nat @ ( minus_minus_nat @ SY137 @ SY136 ) @ ( minus_minus_nat @ SY137 @ SV29 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[311]) ).

thf(348,plain,
    ( ( ! [SV30: list_c1059388851t_unit] :
          ( ( ^ [SY138: list_c1059388851t_unit] : ( SV30 = SY138 ) )
          = ( ^ [SY139: list_c1059388851t_unit] :
                ~ ( ( ( size_s1406904903t_unit @ SV30 )
                   != ( size_s1406904903t_unit @ SY139 ) )
                  | ~ ! [SY140: nat] :
                        ( ~ ( ord_less_nat @ SY140 @ ( size_s1406904903t_unit @ SV30 ) )
                        | ( ( nth_co1649820636t_unit @ SV30 @ SY140 )
                          = ( nth_co1649820636t_unit @ SY139 @ SY140 ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_equal_pos,[status(thm)],[312]) ).

thf(349,plain,
    ( ( ( ^ [SX0: list_c1059388851t_unit,SX1: list_c1059388851t_unit] : ( SX0 = SX1 ) )
      = ( ^ [SX0: list_c1059388851t_unit,SX1: list_c1059388851t_unit] :
            ~ ( ( ( size_s1406904903t_unit @ SX0 )
               != ( size_s1406904903t_unit @ SX1 ) )
              | ~ ! [SX2: nat] :
                    ( ~ ( ord_less_nat @ SX2 @ ( size_s1406904903t_unit @ SX0 ) )
                    | ( ( nth_co1649820636t_unit @ SX0 @ SX2 )
                      = ( nth_co1649820636t_unit @ SX1 @ SX2 ) ) ) ) ) )
    = $true ),
    inference(extcnf_equal_pos,[status(thm)],[312]) ).

thf(350,plain,
    ! [SV31: nat] :
      ( ( ! [SY141: nat,SY142: nat] :
            ( ~ ( ord_less_eq_nat @ SV31 @ SY141 )
            | ~ ( ord_less_eq_nat @ SV31 @ SY142 )
            | ( ( ( minus_minus_nat @ SY141 @ SV31 )
                = ( minus_minus_nat @ SY142 @ SV31 ) )
              = ( SY141 = SY142 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[313]) ).

thf(351,plain,
    ! [SV32: list_c1059388851t_unit] :
      ( ( ! [SY143: list_c1059388851t_unit] :
            ( ~ ( ( ( size_s1406904903t_unit @ SV32 )
                 != ( size_s1406904903t_unit @ SY143 ) ) )
            | ( SV32 != SY143 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[314]) ).

thf(352,plain,
    ! [SV33: list_c1059388851t_unit] :
      ( ( ! [SY144: list_c1059388851t_unit] :
            ( ( ( size_s1406904903t_unit @ SV33 )
             != ( size_s1406904903t_unit @ SY144 ) )
            | ~ ! [SY145: nat] :
                  ( ~ ( ord_less_nat @ SY145 @ ( size_s1406904903t_unit @ SV33 ) )
                  | ( ( nth_co1649820636t_unit @ SV33 @ SY145 )
                    = ( nth_co1649820636t_unit @ SY144 @ SY145 ) ) )
            | ( SV33 = SY144 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[315]) ).

thf(353,plain,
    ! [SV34: nat,SV1: nat] :
      ( ( ! [SY146: nat] :
            ( ( minus_minus_nat @ ( minus_minus_nat @ SV1 @ SV34 ) @ SY146 )
            = ( minus_minus_nat @ ( minus_minus_nat @ SV1 @ SY146 ) @ SV34 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[316]) ).

thf(354,plain,
    ! [SV35: nat,SV2: nat] :
      ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV2 @ SV35 ) @ SV2 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[317]) ).

thf(355,plain,
    ! [SV3: nat] :
      ( ( ~ ( ( one_one_nat = SV3 )
            | ( SV3 = one_one_nat ) )
        | ~ ( ( one_one_nat != SV3 )
            | ( SV3 != one_one_nat ) ) )
      = $true ),
    inference(extcnf_equal_pos,[status(thm)],[318]) ).

thf(356,plain,
    ! [SV3: nat] :
      ( ( ( one_one_nat = SV3 )
        = ( SV3 = one_one_nat ) )
      = $true ),
    inference(extcnf_equal_pos,[status(thm)],[318]) ).

thf(357,plain,
    ! [SV36: nat,SV4: nat] :
      ( ( ! [SY147: nat] :
            ( ( minus_minus_nat @ ( minus_minus_nat @ SV4 @ SV36 ) @ SY147 )
            = ( minus_minus_nat @ ( minus_minus_nat @ SV4 @ SY147 ) @ SV36 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[319]) ).

thf(358,plain,
    ! [SV37: nat,SV5: nat] :
      ( ( ! [SY148: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV5 @ SV37 ) @ ( plus_plus_nat @ SV5 @ SY148 ) )
            = ( minus_minus_nat @ SV37 @ SY148 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[321]) ).

thf(359,plain,
    ! [SV38: nat,SV6: nat] :
      ( ( ( minus_minus_nat @ ( plus_plus_nat @ SV6 @ SV38 ) @ SV6 )
        = SV38 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[322]) ).

thf(360,plain,
    ! [SV39: nat,SV7: nat] :
      ( ( ! [SY149: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV7 @ SV39 ) @ ( plus_plus_nat @ SY149 @ SV39 ) )
            = ( minus_minus_nat @ SV7 @ SY149 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[323]) ).

thf(361,plain,
    ! [SV40: nat,SV8: nat] :
      ( ( ( minus_minus_nat @ ( plus_plus_nat @ SV8 @ SV40 ) @ SV40 )
        = SV8 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[324]) ).

thf(362,plain,
    ! [SV41: nat,SV9: nat] :
      ( ( ! [SY150: nat] :
            ( ( minus_minus_nat @ ( minus_minus_nat @ SV9 @ SV41 ) @ SY150 )
            = ( minus_minus_nat @ SV9 @ ( plus_plus_nat @ SV41 @ SY150 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[325]) ).

thf(363,plain,
    ! [SV42: nat,SV10: nat] :
      ( ( ! [SY151: nat] :
            ( ( minus_minus_nat @ ( minus_minus_nat @ SV10 @ SV42 ) @ SY151 )
            = ( minus_minus_nat @ SV10 @ ( plus_plus_nat @ SV42 @ SY151 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[326]) ).

thf(364,plain,
    ! [SV43: nat,SV11: nat] :
      ( ( ! [SY152: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV11 @ SV43 ) @ ( plus_plus_nat @ SV11 @ SY152 ) )
            = ( minus_minus_nat @ SV43 @ SY152 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[327]) ).

thf(365,plain,
    ! [SV44: nat,SV12: nat] :
      ( ( ! [SY153: nat] :
            ( ( minus_minus_nat @ ( plus_plus_nat @ SV12 @ SV44 ) @ ( plus_plus_nat @ SY153 @ SV44 ) )
            = ( minus_minus_nat @ SV12 @ SY153 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[328]) ).

thf(366,plain,
    ! [SV45: nat,SV13: nat] :
      ( ( ( minus_minus_nat @ ( plus_plus_nat @ SV13 @ SV45 ) @ SV13 )
        = SV45 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[329]) ).

thf(367,plain,
    ! [SV46: nat,SV14: nat] :
      ( ( ( minus_minus_nat @ ( plus_plus_nat @ SV14 @ SV46 ) @ SV46 )
        = SV14 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[330]) ).

thf(368,plain,
    ! [SV15: nat] :
      ( ( ! [SY111: list_c1059388851t_unit] :
            ( ( size_s1406904903t_unit @ SY111 )
           != SV15 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[332]) ).

thf(369,plain,
    ! [SV47: nat,SV16: nat] :
      ( ( ! [SY154: nat] :
            ( ( ( plus_plus_nat @ SV16 @ SV47 )
             != SY154 )
            | ( SV16
              = ( minus_minus_nat @ SY154 @ SV47 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[333]) ).

thf(370,plain,
    ! [SV48: list_c1059388851t_unit,SV17: list_c1059388851t_unit] :
      ( ( ~ ( ( ( size_s1406904903t_unit @ SV17 )
             != ( size_s1406904903t_unit @ SV48 ) ) )
        | ( SV17 != SV48 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[334]) ).

thf(371,plain,
    ! [SV18: list_c1059388851t_unit] :
      ( ( ( ~ ( ( SV18 != nil_co1338500125t_unit ) ) )
        = $true )
      | ( ( ( last_c571238084t_unit @ SV18 )
          = ( nth_co1649820636t_unit @ SV18 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SV18 ) @ one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[335]) ).

thf(372,plain,
    ! [SV49: list_c1059388851t_unit,SV19: list_c1059388851t_unit > $o] :
      ( ( ~ ! [SY116: list_c1059388851t_unit] :
              ( ~ ! [SY117: list_c1059388851t_unit] :
                    ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SY117 ) @ ( size_s1406904903t_unit @ SY116 ) )
                    | ( SV19 @ SY117 ) )
              | ( SV19 @ SY116 ) )
        | ( SV19 @ SV49 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[336]) ).

thf(373,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY157: nat] :
              ( ~ ( ord_less_nat @ SY157 @ SV20 )
              | ~ ! [SY158: config256849571t_unit] :
                    ~ ( SV50 @ SY157 @ SY158 ) ) )
        = ( ~ ! [SY159: list_c1059388851t_unit] :
                ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                     != SV20 )
                    | ~ ! [SY160: nat] :
                          ( ~ ( ord_less_nat @ SY160 @ SV20 )
                          | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[337]) ).

thf(374,plain,
    ! [SV51: nat,SV21: nat] :
      ( ( ! [SY161: nat] :
            ( ~ ( ord_less_nat @ SV21 @ SV51 )
            | ( ord_less_nat @ ( minus_minus_nat @ SV21 @ SY161 ) @ SV51 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[338]) ).

thf(375,plain,
    ! [SV52: nat,SV22: nat] :
      ( ( ~ ( ord_less_eq_nat @ SV22 @ SV52 )
        | ( ( minus_minus_nat @ SV52 @ ( minus_minus_nat @ SV52 @ SV22 ) )
          = SV22 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[339]) ).

thf(376,plain,
    ! [SV53: nat,SV23: nat] :
      ( ( ! [SY162: nat] :
            ( ~ ( ord_less_eq_nat @ SV23 @ SV53 )
            | ~ ( ord_less_eq_nat @ SV23 @ SY162 )
            | ( ( minus_minus_nat @ ( minus_minus_nat @ SV53 @ SV23 ) @ ( minus_minus_nat @ SY162 @ SV23 ) )
              = ( minus_minus_nat @ SV53 @ SY162 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[340]) ).

thf(377,plain,
    ! [SV54: nat,SV24: nat] :
      ( ( ! [SY163: nat] :
            ( ~ ( ord_less_nat @ SV24 @ SV54 )
            | ~ ( ord_less_nat @ SV24 @ SY163 )
            | ( ord_less_nat @ ( minus_minus_nat @ SY163 @ SV54 ) @ ( minus_minus_nat @ SY163 @ SV24 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[341]) ).

thf(378,plain,
    ! [SV55: nat,SV25: nat] :
      ( ( ! [SY164: nat] :
            ( ~ ( ord_less_eq_nat @ SV25 @ SV55 )
            | ~ ( ord_less_eq_nat @ SY164 @ SV55 )
            | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SY164 ) )
              = ( ord_less_eq_nat @ SY164 @ SV25 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[342]) ).

thf(379,plain,
    ! [SV56: nat,SV26: nat] :
      ( ( ! [SY165: nat] :
            ( ~ ( ord_less_eq_nat @ SV26 @ SV56 )
            | ~ ( ord_less_eq_nat @ SV26 @ SY165 )
            | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SY165 @ SV26 ) )
              = ( ord_less_eq_nat @ SV56 @ SY165 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[343]) ).

thf(380,plain,
    ! [SV27: list_c1059388851t_unit] :
      ( ( ( ~ ( ( SV27 != nil_co1338500125t_unit ) ) )
        = $true )
      | ( ( ( last_c571238084t_unit @ SV27 )
          = ( nth_co1649820636t_unit @ SV27 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SV27 ) @ one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[344]) ).

thf(381,plain,
    ! [SV57: nat,SV28: nat] :
      ( ( ! [SY166: nat] :
            ( ~ ( ord_less_eq_nat @ SV28 @ SV57 )
            | ( ord_less_eq_nat @ ( minus_minus_nat @ SV28 @ SY166 ) @ ( minus_minus_nat @ SV57 @ SY166 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[346]) ).

thf(382,plain,
    ! [SV58: nat,SV29: nat] :
      ( ( ! [SY167: nat] :
            ( ~ ( ord_less_eq_nat @ SV29 @ SV58 )
            | ( ord_less_eq_nat @ ( minus_minus_nat @ SY167 @ SV58 ) @ ( minus_minus_nat @ SY167 @ SV29 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[347]) ).

thf(383,plain,
    ! [SV59: list_c1059388851t_unit] :
      ( ( ( ^ [SY168: list_c1059388851t_unit] : ( SV59 = SY168 ) )
        = ( ^ [SY169: list_c1059388851t_unit] :
              ~ ( ( ( size_s1406904903t_unit @ SV59 )
                 != ( size_s1406904903t_unit @ SY169 ) )
                | ~ ! [SY170: nat] :
                      ( ~ ( ord_less_nat @ SY170 @ ( size_s1406904903t_unit @ SV59 ) )
                      | ( ( nth_co1649820636t_unit @ SV59 @ SY170 )
                        = ( nth_co1649820636t_unit @ SY169 @ SY170 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[348]) ).

thf(384,plain,
    ! [SV60: nat,SV31: nat] :
      ( ( ! [SY171: nat] :
            ( ~ ( ord_less_eq_nat @ SV31 @ SV60 )
            | ~ ( ord_less_eq_nat @ SV31 @ SY171 )
            | ( ( ( minus_minus_nat @ SV60 @ SV31 )
                = ( minus_minus_nat @ SY171 @ SV31 ) )
              = ( SV60 = SY171 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[350]) ).

thf(385,plain,
    ! [SV61: list_c1059388851t_unit,SV32: list_c1059388851t_unit] :
      ( ( ~ ( ( ( size_s1406904903t_unit @ SV32 )
             != ( size_s1406904903t_unit @ SV61 ) ) )
        | ( SV32 != SV61 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[351]) ).

thf(386,plain,
    ! [SV62: list_c1059388851t_unit,SV33: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV33 )
         != ( size_s1406904903t_unit @ SV62 ) )
        | ~ ! [SY172: nat] :
              ( ~ ( ord_less_nat @ SY172 @ ( size_s1406904903t_unit @ SV33 ) )
              | ( ( nth_co1649820636t_unit @ SV33 @ SY172 )
                = ( nth_co1649820636t_unit @ SV62 @ SY172 ) ) )
        | ( SV33 = SV62 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[352]) ).

thf(387,plain,
    ! [SV63: nat,SV34: nat,SV1: nat] :
      ( ( ( minus_minus_nat @ ( minus_minus_nat @ SV1 @ SV34 ) @ SV63 )
        = ( minus_minus_nat @ ( minus_minus_nat @ SV1 @ SV63 ) @ SV34 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[353]) ).

thf(388,plain,
    ! [SV3: nat] :
      ( ( ( ~ ( ( one_one_nat = SV3 )
              | ( SV3 = one_one_nat ) ) )
        = $true )
      | ( ( ~ ( ( one_one_nat != SV3 )
              | ( SV3 != one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[355]) ).

thf(389,plain,
    ! [SV64: nat,SV36: nat,SV4: nat] :
      ( ( ( minus_minus_nat @ ( minus_minus_nat @ SV4 @ SV36 ) @ SV64 )
        = ( minus_minus_nat @ ( minus_minus_nat @ SV4 @ SV64 ) @ SV36 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[357]) ).

thf(390,plain,
    ! [SV65: nat,SV37: nat,SV5: nat] :
      ( ( ( minus_minus_nat @ ( plus_plus_nat @ SV5 @ SV37 ) @ ( plus_plus_nat @ SV5 @ SV65 ) )
        = ( minus_minus_nat @ SV37 @ SV65 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[358]) ).

thf(391,plain,
    ! [SV66: nat,SV39: nat,SV7: nat] :
      ( ( ( minus_minus_nat @ ( plus_plus_nat @ SV7 @ SV39 ) @ ( plus_plus_nat @ SV66 @ SV39 ) )
        = ( minus_minus_nat @ SV7 @ SV66 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[360]) ).

thf(392,plain,
    ! [SV67: nat,SV41: nat,SV9: nat] :
      ( ( ( minus_minus_nat @ ( minus_minus_nat @ SV9 @ SV41 ) @ SV67 )
        = ( minus_minus_nat @ SV9 @ ( plus_plus_nat @ SV41 @ SV67 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[362]) ).

thf(393,plain,
    ! [SV68: nat,SV42: nat,SV10: nat] :
      ( ( ( minus_minus_nat @ ( minus_minus_nat @ SV10 @ SV42 ) @ SV68 )
        = ( minus_minus_nat @ SV10 @ ( plus_plus_nat @ SV42 @ SV68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[363]) ).

thf(394,plain,
    ! [SV69: nat,SV43: nat,SV11: nat] :
      ( ( ( minus_minus_nat @ ( plus_plus_nat @ SV11 @ SV43 ) @ ( plus_plus_nat @ SV11 @ SV69 ) )
        = ( minus_minus_nat @ SV43 @ SV69 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[364]) ).

thf(395,plain,
    ! [SV70: nat,SV44: nat,SV12: nat] :
      ( ( ( minus_minus_nat @ ( plus_plus_nat @ SV12 @ SV44 ) @ ( plus_plus_nat @ SV70 @ SV44 ) )
        = ( minus_minus_nat @ SV12 @ SV70 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[365]) ).

thf(396,plain,
    ! [SV15: nat] :
      ( ( ( size_s1406904903t_unit @ ( sK1_SY111 @ SV15 ) )
       != SV15 )
      = $false ),
    inference(extcnf_forall_neg,[status(esa)],[368]) ).

thf(397,plain,
    ! [SV71: nat,SV47: nat,SV16: nat] :
      ( ( ( ( plus_plus_nat @ SV16 @ SV47 )
         != SV71 )
        | ( SV16
          = ( minus_minus_nat @ SV71 @ SV47 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[369]) ).

thf(398,plain,
    ! [SV48: list_c1059388851t_unit,SV17: list_c1059388851t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ SV17 )
               != ( size_s1406904903t_unit @ SV48 ) ) ) )
        = $true )
      | ( ( SV17 != SV48 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[370]) ).

thf(399,plain,
    ! [SV18: list_c1059388851t_unit] :
      ( ( ( SV18 != nil_co1338500125t_unit )
        = $false )
      | ( ( ( last_c571238084t_unit @ SV18 )
          = ( nth_co1649820636t_unit @ SV18 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SV18 ) @ one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[371]) ).

thf(400,plain,
    ! [SV49: list_c1059388851t_unit,SV19: list_c1059388851t_unit > $o] :
      ( ( ( ~ ! [SY116: list_c1059388851t_unit] :
                ( ~ ! [SY117: list_c1059388851t_unit] :
                      ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SY117 ) @ ( size_s1406904903t_unit @ SY116 ) )
                      | ( SV19 @ SY117 ) )
                | ( SV19 @ SY116 ) ) )
        = $true )
      | ( ( SV19 @ SV49 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[372]) ).

thf(401,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ~ ( ! [SY157: nat] :
                ( ~ ( ord_less_nat @ SY157 @ SV20 )
                | ~ ! [SY158: config256849571t_unit] :
                      ~ ( SV50 @ SY157 @ SY158 ) )
            | ~ ! [SY159: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                       != SV20 )
                      | ~ ! [SY160: nat] :
                            ( ~ ( ord_less_nat @ SY160 @ SV20 )
                            | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        | ~ ( ~ ! [SY157: nat] :
                  ( ~ ( ord_less_nat @ SY157 @ SV20 )
                  | ~ ! [SY158: config256849571t_unit] :
                        ~ ( SV50 @ SY157 @ SY158 ) )
            | ~ ~ ! [SY159: list_c1059388851t_unit] :
                    ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                         != SV20 )
                        | ~ ! [SY160: nat] :
                              ( ~ ( ord_less_nat @ SY160 @ SV20 )
                              | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
      = $true ),
    inference(extcnf_equal_pos,[status(thm)],[373]) ).

thf(402,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY157: nat] :
              ( ~ ( ord_less_nat @ SY157 @ SV20 )
              | ~ ! [SY158: config256849571t_unit] :
                    ~ ( SV50 @ SY157 @ SY158 ) ) )
        = ( ~ ! [SY159: list_c1059388851t_unit] :
                ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                     != SV20 )
                    | ~ ! [SY160: nat] :
                          ( ~ ( ord_less_nat @ SY160 @ SV20 )
                          | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
      = $true ),
    inference(extcnf_equal_pos,[status(thm)],[373]) ).

thf(403,plain,
    ! [SV72: nat,SV51: nat,SV21: nat] :
      ( ( ~ ( ord_less_nat @ SV21 @ SV51 )
        | ( ord_less_nat @ ( minus_minus_nat @ SV21 @ SV72 ) @ SV51 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[374]) ).

thf(404,plain,
    ! [SV52: nat,SV22: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV22 @ SV52 ) )
        = $true )
      | ( ( ( minus_minus_nat @ SV52 @ ( minus_minus_nat @ SV52 @ SV22 ) )
          = SV22 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[375]) ).

thf(405,plain,
    ! [SV73: nat,SV53: nat,SV23: nat] :
      ( ( ~ ( ord_less_eq_nat @ SV23 @ SV53 )
        | ~ ( ord_less_eq_nat @ SV23 @ SV73 )
        | ( ( minus_minus_nat @ ( minus_minus_nat @ SV53 @ SV23 ) @ ( minus_minus_nat @ SV73 @ SV23 ) )
          = ( minus_minus_nat @ SV53 @ SV73 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[376]) ).

thf(406,plain,
    ! [SV74: nat,SV54: nat,SV24: nat] :
      ( ( ~ ( ord_less_nat @ SV24 @ SV54 )
        | ~ ( ord_less_nat @ SV24 @ SV74 )
        | ( ord_less_nat @ ( minus_minus_nat @ SV74 @ SV54 ) @ ( minus_minus_nat @ SV74 @ SV24 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[377]) ).

thf(407,plain,
    ! [SV75: nat,SV55: nat,SV25: nat] :
      ( ( ~ ( ord_less_eq_nat @ SV25 @ SV55 )
        | ~ ( ord_less_eq_nat @ SV75 @ SV55 )
        | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
          = ( ord_less_eq_nat @ SV75 @ SV25 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[378]) ).

thf(408,plain,
    ! [SV76: nat,SV56: nat,SV26: nat] :
      ( ( ~ ( ord_less_eq_nat @ SV26 @ SV56 )
        | ~ ( ord_less_eq_nat @ SV26 @ SV76 )
        | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
          = ( ord_less_eq_nat @ SV56 @ SV76 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[379]) ).

thf(409,plain,
    ! [SV27: list_c1059388851t_unit] :
      ( ( ( SV27 != nil_co1338500125t_unit )
        = $false )
      | ( ( ( last_c571238084t_unit @ SV27 )
          = ( nth_co1649820636t_unit @ SV27 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SV27 ) @ one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[380]) ).

thf(410,plain,
    ! [SV77: nat,SV57: nat,SV28: nat] :
      ( ( ~ ( ord_less_eq_nat @ SV28 @ SV57 )
        | ( ord_less_eq_nat @ ( minus_minus_nat @ SV28 @ SV77 ) @ ( minus_minus_nat @ SV57 @ SV77 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[381]) ).

thf(411,plain,
    ! [SV78: nat,SV58: nat,SV29: nat] :
      ( ( ~ ( ord_less_eq_nat @ SV29 @ SV58 )
        | ( ord_less_eq_nat @ ( minus_minus_nat @ SV78 @ SV58 ) @ ( minus_minus_nat @ SV78 @ SV29 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[382]) ).

thf(412,plain,
    ! [SV59: list_c1059388851t_unit] :
      ( ( ! [SV79: list_c1059388851t_unit] :
            ( ( SV59 = SV79 )
            = ( ~ ( ( ( size_s1406904903t_unit @ SV59 )
                   != ( size_s1406904903t_unit @ SV79 ) )
                  | ~ ! [SY173: nat] :
                        ( ~ ( ord_less_nat @ SY173 @ ( size_s1406904903t_unit @ SV59 ) )
                        | ( ( nth_co1649820636t_unit @ SV59 @ SY173 )
                          = ( nth_co1649820636t_unit @ SV79 @ SY173 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_equal_pos,[status(thm)],[383]) ).

thf(413,plain,
    ! [SV59: list_c1059388851t_unit] :
      ( ( ( ^ [SY168: list_c1059388851t_unit] : ( SV59 = SY168 ) )
        = ( ^ [SY169: list_c1059388851t_unit] :
              ~ ( ( ( size_s1406904903t_unit @ SV59 )
                 != ( size_s1406904903t_unit @ SY169 ) )
                | ~ ! [SY170: nat] :
                      ( ~ ( ord_less_nat @ SY170 @ ( size_s1406904903t_unit @ SV59 ) )
                      | ( ( nth_co1649820636t_unit @ SV59 @ SY170 )
                        = ( nth_co1649820636t_unit @ SY169 @ SY170 ) ) ) ) ) )
      = $true ),
    inference(extcnf_equal_pos,[status(thm)],[383]) ).

thf(414,plain,
    ! [SV80: nat,SV60: nat,SV31: nat] :
      ( ( ~ ( ord_less_eq_nat @ SV31 @ SV60 )
        | ~ ( ord_less_eq_nat @ SV31 @ SV80 )
        | ( ( ( minus_minus_nat @ SV60 @ SV31 )
            = ( minus_minus_nat @ SV80 @ SV31 ) )
          = ( SV60 = SV80 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[384]) ).

thf(415,plain,
    ! [SV61: list_c1059388851t_unit,SV32: list_c1059388851t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ SV32 )
               != ( size_s1406904903t_unit @ SV61 ) ) ) )
        = $true )
      | ( ( SV32 != SV61 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[385]) ).

thf(416,plain,
    ! [SV62: list_c1059388851t_unit,SV33: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV33 )
         != ( size_s1406904903t_unit @ SV62 ) )
        = $true )
      | ( ( ~ ! [SY172: nat] :
                ( ~ ( ord_less_nat @ SY172 @ ( size_s1406904903t_unit @ SV33 ) )
                | ( ( nth_co1649820636t_unit @ SV33 @ SY172 )
                  = ( nth_co1649820636t_unit @ SV62 @ SY172 ) ) )
          | ( SV33 = SV62 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[386]) ).

thf(417,plain,
    ! [SV3: nat] :
      ( ( ( ( one_one_nat = SV3 )
          | ( SV3 = one_one_nat ) )
        = $false )
      | ( ( ~ ( ( one_one_nat != SV3 )
              | ( SV3 != one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[388]) ).

thf(418,plain,
    ! [SV15: nat] :
      ( ( ( size_s1406904903t_unit @ ( sK1_SY111 @ SV15 ) )
        = SV15 )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[396]) ).

thf(419,plain,
    ! [SV71: nat,SV47: nat,SV16: nat] :
      ( ( ( ( plus_plus_nat @ SV16 @ SV47 )
         != SV71 )
        = $true )
      | ( ( SV16
          = ( minus_minus_nat @ SV71 @ SV47 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[397]) ).

thf(420,plain,
    ! [SV48: list_c1059388851t_unit,SV17: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV17 )
         != ( size_s1406904903t_unit @ SV48 ) )
        = $false )
      | ( ( SV17 != SV48 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[398]) ).

thf(421,plain,
    ! [SV18: list_c1059388851t_unit] :
      ( ( ( SV18 = nil_co1338500125t_unit )
        = $true )
      | ( ( ( last_c571238084t_unit @ SV18 )
          = ( nth_co1649820636t_unit @ SV18 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SV18 ) @ one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[399]) ).

thf(422,plain,
    ! [SV49: list_c1059388851t_unit,SV19: list_c1059388851t_unit > $o] :
      ( ( ( ! [SY116: list_c1059388851t_unit] :
              ( ~ ! [SY117: list_c1059388851t_unit] :
                    ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SY117 ) @ ( size_s1406904903t_unit @ SY116 ) )
                    | ( SV19 @ SY117 ) )
              | ( SV19 @ SY116 ) ) )
        = $false )
      | ( ( SV19 @ SV49 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[400]) ).

thf(423,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ( ! [SY157: nat] :
                  ( ~ ( ord_less_nat @ SY157 @ SV20 )
                  | ~ ! [SY158: config256849571t_unit] :
                        ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ! [SY159: list_c1059388851t_unit] :
                    ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                         != SV20 )
                        | ~ ! [SY160: nat] :
                              ( ~ ( ord_less_nat @ SY160 @ SV20 )
                              | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[401]) ).

thf(424,plain,
    ! [SV72: nat,SV51: nat,SV21: nat] :
      ( ( ( ~ ( ord_less_nat @ SV21 @ SV51 ) )
        = $true )
      | ( ( ord_less_nat @ ( minus_minus_nat @ SV21 @ SV72 ) @ SV51 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[403]) ).

thf(425,plain,
    ! [SV52: nat,SV22: nat] :
      ( ( ( ord_less_eq_nat @ SV22 @ SV52 )
        = $false )
      | ( ( ( minus_minus_nat @ SV52 @ ( minus_minus_nat @ SV52 @ SV22 ) )
          = SV22 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[404]) ).

thf(426,plain,
    ! [SV73: nat,SV53: nat,SV23: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV23 @ SV53 ) )
        = $true )
      | ( ( ~ ( ord_less_eq_nat @ SV23 @ SV73 )
          | ( ( minus_minus_nat @ ( minus_minus_nat @ SV53 @ SV23 ) @ ( minus_minus_nat @ SV73 @ SV23 ) )
            = ( minus_minus_nat @ SV53 @ SV73 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[405]) ).

thf(427,plain,
    ! [SV74: nat,SV54: nat,SV24: nat] :
      ( ( ( ~ ( ord_less_nat @ SV24 @ SV54 ) )
        = $true )
      | ( ( ~ ( ord_less_nat @ SV24 @ SV74 )
          | ( ord_less_nat @ ( minus_minus_nat @ SV74 @ SV54 ) @ ( minus_minus_nat @ SV74 @ SV24 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[406]) ).

thf(428,plain,
    ! [SV75: nat,SV55: nat,SV25: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV25 @ SV55 ) )
        = $true )
      | ( ( ~ ( ord_less_eq_nat @ SV75 @ SV55 )
          | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
            = ( ord_less_eq_nat @ SV75 @ SV25 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[407]) ).

thf(429,plain,
    ! [SV76: nat,SV56: nat,SV26: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV26 @ SV56 ) )
        = $true )
      | ( ( ~ ( ord_less_eq_nat @ SV26 @ SV76 )
          | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
            = ( ord_less_eq_nat @ SV56 @ SV76 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[408]) ).

thf(430,plain,
    ! [SV27: list_c1059388851t_unit] :
      ( ( ( SV27 = nil_co1338500125t_unit )
        = $true )
      | ( ( ( last_c571238084t_unit @ SV27 )
          = ( nth_co1649820636t_unit @ SV27 @ ( minus_minus_nat @ ( size_s1406904903t_unit @ SV27 ) @ one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[409]) ).

thf(431,plain,
    ! [SV77: nat,SV57: nat,SV28: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV28 @ SV57 ) )
        = $true )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV28 @ SV77 ) @ ( minus_minus_nat @ SV57 @ SV77 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[410]) ).

thf(432,plain,
    ! [SV78: nat,SV58: nat,SV29: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV29 @ SV58 ) )
        = $true )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV78 @ SV58 ) @ ( minus_minus_nat @ SV78 @ SV29 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[411]) ).

thf(433,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( SV59 = SV81 )
        = ( ~ ( ( ( size_s1406904903t_unit @ SV59 )
               != ( size_s1406904903t_unit @ SV81 ) )
              | ~ ! [SY174: nat] :
                    ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                    | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                      = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[412]) ).

thf(434,plain,
    ! [SV80: nat,SV60: nat,SV31: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV31 @ SV60 ) )
        = $true )
      | ( ( ~ ( ord_less_eq_nat @ SV31 @ SV80 )
          | ( ( ( minus_minus_nat @ SV60 @ SV31 )
              = ( minus_minus_nat @ SV80 @ SV31 ) )
            = ( SV60 = SV80 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[414]) ).

thf(435,plain,
    ! [SV61: list_c1059388851t_unit,SV32: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV32 )
         != ( size_s1406904903t_unit @ SV61 ) )
        = $false )
      | ( ( SV32 != SV61 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[415]) ).

thf(436,plain,
    ! [SV62: list_c1059388851t_unit,SV33: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV33 )
          = ( size_s1406904903t_unit @ SV62 ) )
        = $false )
      | ( ( ~ ! [SY172: nat] :
                ( ~ ( ord_less_nat @ SY172 @ ( size_s1406904903t_unit @ SV33 ) )
                | ( ( nth_co1649820636t_unit @ SV33 @ SY172 )
                  = ( nth_co1649820636t_unit @ SV62 @ SY172 ) ) )
          | ( SV33 = SV62 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[416]) ).

thf(437,plain,
    ! [SV3: nat] :
      ( ( ( one_one_nat = SV3 )
        = $false )
      | ( ( ~ ( ( one_one_nat != SV3 )
              | ( SV3 != one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[417]) ).

thf(438,plain,
    ! [SV3: nat] :
      ( ( ( SV3 = one_one_nat )
        = $false )
      | ( ( ~ ( ( one_one_nat != SV3 )
              | ( SV3 != one_one_nat ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[417]) ).

thf(439,plain,
    ! [SV71: nat,SV47: nat,SV16: nat] :
      ( ( ( ( plus_plus_nat @ SV16 @ SV47 )
          = SV71 )
        = $false )
      | ( ( SV16
          = ( minus_minus_nat @ SV71 @ SV47 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[419]) ).

thf(440,plain,
    ! [SV48: list_c1059388851t_unit,SV17: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV17 )
          = ( size_s1406904903t_unit @ SV48 ) )
        = $true )
      | ( ( SV17 != SV48 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[420]) ).

thf(441,plain,
    ! [SV19: list_c1059388851t_unit > $o,SV49: list_c1059388851t_unit] :
      ( ( ( ~ ! [SY175: list_c1059388851t_unit] :
                ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SY175 ) @ ( size_s1406904903t_unit @ ( sK2_SY116 @ SV49 @ SV19 ) ) )
                | ( SV19 @ SY175 ) )
          | ( SV19 @ ( sK2_SY116 @ SV49 @ SV19 ) ) )
        = $false )
      | ( ( SV19 @ SV49 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[422]) ).

thf(442,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY157: nat] :
              ( ~ ( ord_less_nat @ SY157 @ SV20 )
              | ~ ! [SY158: config256849571t_unit] :
                    ~ ( SV50 @ SY157 @ SY158 ) )
          | ~ ! [SY159: list_c1059388851t_unit] :
                ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                     != SV20 )
                    | ~ ! [SY160: nat] :
                          ( ~ ( ord_less_nat @ SY160 @ SV20 )
                          | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[423]) ).

thf(443,plain,
    ! [SV72: nat,SV51: nat,SV21: nat] :
      ( ( ( ord_less_nat @ SV21 @ SV51 )
        = $false )
      | ( ( ord_less_nat @ ( minus_minus_nat @ SV21 @ SV72 ) @ SV51 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[424]) ).

thf(444,plain,
    ! [SV73: nat,SV53: nat,SV23: nat] :
      ( ( ( ord_less_eq_nat @ SV23 @ SV53 )
        = $false )
      | ( ( ~ ( ord_less_eq_nat @ SV23 @ SV73 )
          | ( ( minus_minus_nat @ ( minus_minus_nat @ SV53 @ SV23 ) @ ( minus_minus_nat @ SV73 @ SV23 ) )
            = ( minus_minus_nat @ SV53 @ SV73 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[426]) ).

thf(445,plain,
    ! [SV74: nat,SV54: nat,SV24: nat] :
      ( ( ( ord_less_nat @ SV24 @ SV54 )
        = $false )
      | ( ( ~ ( ord_less_nat @ SV24 @ SV74 )
          | ( ord_less_nat @ ( minus_minus_nat @ SV74 @ SV54 ) @ ( minus_minus_nat @ SV74 @ SV24 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[427]) ).

thf(446,plain,
    ! [SV75: nat,SV55: nat,SV25: nat] :
      ( ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false )
      | ( ( ~ ( ord_less_eq_nat @ SV75 @ SV55 )
          | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
            = ( ord_less_eq_nat @ SV75 @ SV25 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[428]) ).

thf(447,plain,
    ! [SV76: nat,SV56: nat,SV26: nat] :
      ( ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false )
      | ( ( ~ ( ord_less_eq_nat @ SV26 @ SV76 )
          | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
            = ( ord_less_eq_nat @ SV56 @ SV76 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[429]) ).

thf(448,plain,
    ! [SV77: nat,SV57: nat,SV28: nat] :
      ( ( ( ord_less_eq_nat @ SV28 @ SV57 )
        = $false )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV28 @ SV77 ) @ ( minus_minus_nat @ SV57 @ SV77 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[431]) ).

thf(449,plain,
    ! [SV78: nat,SV58: nat,SV29: nat] :
      ( ( ( ord_less_eq_nat @ SV29 @ SV58 )
        = $false )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV78 @ SV58 ) @ ( minus_minus_nat @ SV78 @ SV29 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[432]) ).

thf(450,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ~ ( ( SV59 = SV81 )
            | ~ ( ( ( size_s1406904903t_unit @ SV59 )
                 != ( size_s1406904903t_unit @ SV81 ) )
                | ~ ! [SY174: nat] :
                      ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                      | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                        = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        | ~ ( ( SV59 != SV81 )
            | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                   != ( size_s1406904903t_unit @ SV81 ) )
                  | ~ ! [SY174: nat] :
                        ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                        | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                          = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
      = $true ),
    inference(extcnf_equal_pos,[status(thm)],[433]) ).

thf(451,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( SV59 = SV81 )
        = ( ~ ( ( ( size_s1406904903t_unit @ SV59 )
               != ( size_s1406904903t_unit @ SV81 ) )
              | ~ ! [SY174: nat] :
                    ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                    | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                      = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
      = $true ),
    inference(extcnf_equal_pos,[status(thm)],[433]) ).

thf(452,plain,
    ! [SV80: nat,SV60: nat,SV31: nat] :
      ( ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false )
      | ( ( ~ ( ord_less_eq_nat @ SV31 @ SV80 )
          | ( ( ( minus_minus_nat @ SV60 @ SV31 )
              = ( minus_minus_nat @ SV80 @ SV31 ) )
            = ( SV60 = SV80 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[434]) ).

thf(453,plain,
    ! [SV61: list_c1059388851t_unit,SV32: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV32 )
          = ( size_s1406904903t_unit @ SV61 ) )
        = $true )
      | ( ( SV32 != SV61 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[435]) ).

thf(454,plain,
    ! [SV62: list_c1059388851t_unit,SV33: list_c1059388851t_unit] :
      ( ( ( ~ ! [SY172: nat] :
                ( ~ ( ord_less_nat @ SY172 @ ( size_s1406904903t_unit @ SV33 ) )
                | ( ( nth_co1649820636t_unit @ SV33 @ SY172 )
                  = ( nth_co1649820636t_unit @ SV62 @ SY172 ) ) ) )
        = $true )
      | ( ( SV33 = SV62 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV33 )
          = ( size_s1406904903t_unit @ SV62 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[436]) ).

thf(455,plain,
    ! [SV3: nat] :
      ( ( ( ( one_one_nat != SV3 )
          | ( SV3 != one_one_nat ) )
        = $false )
      | ( ( one_one_nat = SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[437]) ).

thf(456,plain,
    ! [SV3: nat] :
      ( ( ( ( one_one_nat != SV3 )
          | ( SV3 != one_one_nat ) )
        = $false )
      | ( ( SV3 = one_one_nat )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[438]) ).

thf(457,plain,
    ! [SV48: list_c1059388851t_unit,SV17: list_c1059388851t_unit] :
      ( ( ( SV17 = SV48 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV17 )
          = ( size_s1406904903t_unit @ SV48 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[440]) ).

thf(458,plain,
    ! [SV19: list_c1059388851t_unit > $o,SV49: list_c1059388851t_unit] :
      ( ( ( ~ ! [SY175: list_c1059388851t_unit] :
                ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SY175 ) @ ( size_s1406904903t_unit @ ( sK2_SY116 @ SV49 @ SV19 ) ) )
                | ( SV19 @ SY175 ) ) )
        = $false )
      | ( ( SV19 @ SV49 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[441]) ).

thf(459,plain,
    ! [SV49: list_c1059388851t_unit,SV19: list_c1059388851t_unit > $o] :
      ( ( ( SV19 @ ( sK2_SY116 @ SV49 @ SV19 ) )
        = $false )
      | ( ( SV19 @ SV49 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[441]) ).

thf(460,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY157: nat] :
              ( ~ ( ord_less_nat @ SY157 @ SV20 )
              | ~ ! [SY158: config256849571t_unit] :
                    ~ ( SV50 @ SY157 @ SY158 ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[442]) ).

thf(461,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY159: list_c1059388851t_unit] :
                ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                     != SV20 )
                    | ~ ! [SY160: nat] :
                          ( ~ ( ord_less_nat @ SY160 @ SV20 )
                          | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[442]) ).

thf(462,plain,
    ! [SV53: nat,SV73: nat,SV23: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV23 @ SV73 ) )
        = $true )
      | ( ( ( minus_minus_nat @ ( minus_minus_nat @ SV53 @ SV23 ) @ ( minus_minus_nat @ SV73 @ SV23 ) )
          = ( minus_minus_nat @ SV53 @ SV73 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV23 @ SV53 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[444]) ).

thf(463,plain,
    ! [SV54: nat,SV74: nat,SV24: nat] :
      ( ( ( ~ ( ord_less_nat @ SV24 @ SV74 ) )
        = $true )
      | ( ( ord_less_nat @ ( minus_minus_nat @ SV74 @ SV54 ) @ ( minus_minus_nat @ SV74 @ SV24 ) )
        = $true )
      | ( ( ord_less_nat @ SV24 @ SV54 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[445]) ).

thf(464,plain,
    ! [SV25: nat,SV55: nat,SV75: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV75 @ SV55 ) )
        = $true )
      | ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
          = ( ord_less_eq_nat @ SV75 @ SV25 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[446]) ).

thf(465,plain,
    ! [SV56: nat,SV76: nat,SV26: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV26 @ SV76 ) )
        = $true )
      | ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
          = ( ord_less_eq_nat @ SV56 @ SV76 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[447]) ).

thf(466,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ( ( SV59 = SV81 )
              | ~ ( ( ( size_s1406904903t_unit @ SV59 )
                   != ( size_s1406904903t_unit @ SV81 ) )
                  | ~ ! [SY174: nat] :
                        ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                        | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                          = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[450]) ).

thf(467,plain,
    ! [SV60: nat,SV80: nat,SV31: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV31 @ SV80 ) )
        = $true )
      | ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
            = ( minus_minus_nat @ SV80 @ SV31 ) )
          = ( SV60 = SV80 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[452]) ).

thf(468,plain,
    ! [SV61: list_c1059388851t_unit,SV32: list_c1059388851t_unit] :
      ( ( ( SV32 = SV61 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV32 )
          = ( size_s1406904903t_unit @ SV61 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[453]) ).

thf(469,plain,
    ! [SV62: list_c1059388851t_unit,SV33: list_c1059388851t_unit] :
      ( ( ( ! [SY172: nat] :
              ( ~ ( ord_less_nat @ SY172 @ ( size_s1406904903t_unit @ SV33 ) )
              | ( ( nth_co1649820636t_unit @ SV33 @ SY172 )
                = ( nth_co1649820636t_unit @ SV62 @ SY172 ) ) ) )
        = $false )
      | ( ( SV33 = SV62 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV33 )
          = ( size_s1406904903t_unit @ SV62 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[454]) ).

thf(470,plain,
    ! [SV3: nat] :
      ( ( ( one_one_nat != SV3 )
        = $false )
      | ( ( one_one_nat = SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[455]) ).

thf(471,plain,
    ! [SV3: nat] :
      ( ( ( SV3 != one_one_nat )
        = $false )
      | ( ( one_one_nat = SV3 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[455]) ).

thf(472,plain,
    ! [SV3: nat] :
      ( ( ( one_one_nat != SV3 )
        = $false )
      | ( ( SV3 = one_one_nat )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[456]) ).

thf(473,plain,
    ! [SV3: nat] :
      ( ( ( SV3 != one_one_nat )
        = $false )
      | ( ( SV3 = one_one_nat )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[456]) ).

thf(474,plain,
    ! [SV19: list_c1059388851t_unit > $o,SV49: list_c1059388851t_unit] :
      ( ( ( ! [SY175: list_c1059388851t_unit] :
              ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SY175 ) @ ( size_s1406904903t_unit @ ( sK2_SY116 @ SV49 @ SV19 ) ) )
              | ( SV19 @ SY175 ) ) )
        = $true )
      | ( ( SV19 @ SV49 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[458]) ).

thf(475,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
          | ~ ! [SY176: config256849571t_unit] :
                ~ ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SY176 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[460]) ).

thf(476,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY159: list_c1059388851t_unit] :
              ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                   != SV20 )
                  | ~ ! [SY160: nat] :
                        ( ~ ( ord_less_nat @ SY160 @ SV20 )
                        | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[461]) ).

thf(477,plain,
    ! [SV53: nat,SV73: nat,SV23: nat] :
      ( ( ( ord_less_eq_nat @ SV23 @ SV73 )
        = $false )
      | ( ( ( minus_minus_nat @ ( minus_minus_nat @ SV53 @ SV23 ) @ ( minus_minus_nat @ SV73 @ SV23 ) )
          = ( minus_minus_nat @ SV53 @ SV73 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV23 @ SV53 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[462]) ).

thf(478,plain,
    ! [SV54: nat,SV74: nat,SV24: nat] :
      ( ( ( ord_less_nat @ SV24 @ SV74 )
        = $false )
      | ( ( ord_less_nat @ ( minus_minus_nat @ SV74 @ SV54 ) @ ( minus_minus_nat @ SV74 @ SV24 ) )
        = $true )
      | ( ( ord_less_nat @ SV24 @ SV54 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[463]) ).

thf(479,plain,
    ! [SV25: nat,SV55: nat,SV75: nat] :
      ( ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
          = ( ord_less_eq_nat @ SV75 @ SV25 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[464]) ).

thf(480,plain,
    ! [SV56: nat,SV76: nat,SV26: nat] :
      ( ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
          = ( ord_less_eq_nat @ SV56 @ SV76 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[465]) ).

thf(481,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( SV59 = SV81 )
          | ~ ( ( ( size_s1406904903t_unit @ SV59 )
               != ( size_s1406904903t_unit @ SV81 ) )
              | ~ ! [SY174: nat] :
                    ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                    | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                      = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $false )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[466]) ).

thf(482,plain,
    ! [SV60: nat,SV80: nat,SV31: nat] :
      ( ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
            = ( minus_minus_nat @ SV80 @ SV31 ) )
          = ( SV60 = SV80 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[467]) ).

thf(483,plain,
    ! [SV33: list_c1059388851t_unit,SV62: list_c1059388851t_unit] :
      ( ( ( ~ ( ord_less_nat @ ( sK4_SY172 @ SV62 @ SV33 ) @ ( size_s1406904903t_unit @ SV33 ) )
          | ( ( nth_co1649820636t_unit @ SV33 @ ( sK4_SY172 @ SV62 @ SV33 ) )
            = ( nth_co1649820636t_unit @ SV62 @ ( sK4_SY172 @ SV62 @ SV33 ) ) ) )
        = $false )
      | ( ( SV33 = SV62 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV33 )
          = ( size_s1406904903t_unit @ SV62 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[469]) ).

thf(484,plain,
    ! [SV3: nat] :
      ( ( ( one_one_nat = SV3 )
        = $true )
      | ( ( one_one_nat = SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[470]) ).

thf(485,plain,
    ! [SV3: nat] :
      ( ( ( SV3 = one_one_nat )
        = $true )
      | ( ( one_one_nat = SV3 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[471]) ).

thf(486,plain,
    ! [SV3: nat] :
      ( ( ( one_one_nat = SV3 )
        = $true )
      | ( ( SV3 = one_one_nat )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[472]) ).

thf(487,plain,
    ! [SV3: nat] :
      ( ( ( SV3 = one_one_nat )
        = $true )
      | ( ( SV3 = one_one_nat )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[473]) ).

thf(488,plain,
    ! [SV19: list_c1059388851t_unit > $o,SV49: list_c1059388851t_unit,SV82: list_c1059388851t_unit] :
      ( ( ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SV82 ) @ ( size_s1406904903t_unit @ ( sK2_SY116 @ SV49 @ SV19 ) ) )
          | ( SV19 @ SV82 ) )
        = $true )
      | ( ( SV19 @ SV49 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[474]) ).

thf(489,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[475]) ).

thf(490,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ! [SY176: config256849571t_unit] :
                ~ ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SY176 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[475]) ).

thf(491,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV83: list_c1059388851t_unit] :
      ( ( ( ~ ~ ( ( ( size_s1406904903t_unit @ SV83 )
                 != SV20 )
                | ~ ! [SY177: nat] :
                      ( ~ ( ord_less_nat @ SY177 @ SV20 )
                      | ( SV50 @ SY177 @ ( nth_co1649820636t_unit @ SV83 @ SY177 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[476]) ).

thf(492,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ~ ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
              | ( ord_less_eq_nat @ SV75 @ SV25 ) )
          | ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
              | ~ ( ord_less_eq_nat @ SV75 @ SV25 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_equal_pos,[status(thm)],[479]) ).

thf(493,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
          = ( ord_less_eq_nat @ SV75 @ SV25 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_equal_pos,[status(thm)],[479]) ).

thf(494,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ~ ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
              | ( ord_less_eq_nat @ SV56 @ SV76 ) )
          | ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
              | ~ ( ord_less_eq_nat @ SV56 @ SV76 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_equal_pos,[status(thm)],[480]) ).

thf(495,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
          = ( ord_less_eq_nat @ SV56 @ SV76 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_equal_pos,[status(thm)],[480]) ).

thf(496,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( SV59 = SV81 )
        = $false )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[481]) ).

thf(497,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ SV59 )
               != ( size_s1406904903t_unit @ SV81 ) )
              | ~ ! [SY174: nat] :
                    ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                    | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                      = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $false )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[481]) ).

thf(498,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ~ ( ( ( minus_minus_nat @ SV60 @ SV31 )
                = ( minus_minus_nat @ SV80 @ SV31 ) )
              | ( SV60 = SV80 ) )
          | ~ ( ( ( minus_minus_nat @ SV60 @ SV31 )
               != ( minus_minus_nat @ SV80 @ SV31 ) )
              | ( SV60 != SV80 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_equal_pos,[status(thm)],[482]) ).

thf(499,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
            = ( minus_minus_nat @ SV80 @ SV31 ) )
          = ( SV60 = SV80 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_equal_pos,[status(thm)],[482]) ).

thf(500,plain,
    ! [SV33: list_c1059388851t_unit,SV62: list_c1059388851t_unit] :
      ( ( ( ~ ( ord_less_nat @ ( sK4_SY172 @ SV62 @ SV33 ) @ ( size_s1406904903t_unit @ SV33 ) ) )
        = $false )
      | ( ( SV33 = SV62 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV33 )
          = ( size_s1406904903t_unit @ SV62 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[483]) ).

thf(501,plain,
    ! [SV62: list_c1059388851t_unit,SV33: list_c1059388851t_unit] :
      ( ( ( ( nth_co1649820636t_unit @ SV33 @ ( sK4_SY172 @ SV62 @ SV33 ) )
          = ( nth_co1649820636t_unit @ SV62 @ ( sK4_SY172 @ SV62 @ SV33 ) ) )
        = $false )
      | ( ( SV33 = SV62 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV33 )
          = ( size_s1406904903t_unit @ SV62 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[483]) ).

thf(502,plain,
    ! [SV19: list_c1059388851t_unit > $o,SV49: list_c1059388851t_unit,SV82: list_c1059388851t_unit] :
      ( ( ( ~ ( ord_less_nat @ ( size_s1406904903t_unit @ SV82 ) @ ( size_s1406904903t_unit @ ( sK2_SY116 @ SV49 @ SV19 ) ) ) )
        = $true )
      | ( ( SV19 @ SV82 )
        = $true )
      | ( ( SV19 @ SV49 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[488]) ).

thf(503,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[489]) ).

thf(504,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ! [SY176: config256849571t_unit] :
              ~ ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SY176 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[490]) ).

thf(505,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV83: list_c1059388851t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ SV83 )
               != SV20 )
              | ~ ! [SY177: nat] :
                    ( ~ ( ord_less_nat @ SY177 @ SV20 )
                    | ( SV50 @ SY177 @ ( nth_co1649820636t_unit @ SV83 @ SY177 ) ) ) ) )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[491]) ).

thf(506,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ~ ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
              | ( ord_less_eq_nat @ SV75 @ SV25 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
              | ~ ( ord_less_eq_nat @ SV75 @ SV25 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[492]) ).

thf(507,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ~ ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
              | ( ord_less_eq_nat @ SV56 @ SV76 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
              | ~ ( ord_less_eq_nat @ SV56 @ SV76 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[494]) ).

thf(508,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( SV59 != SV81 )
          | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                 != ( size_s1406904903t_unit @ SV81 ) )
                | ~ ! [SY174: nat] :
                      ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                      | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                        = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $false )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[496]) ).

thf(509,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( ( size_s1406904903t_unit @ SV59 )
           != ( size_s1406904903t_unit @ SV81 ) )
          | ~ ! [SY174: nat] :
                ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                  = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $true )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[497]) ).

thf(510,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ~ ( ( ( minus_minus_nat @ SV60 @ SV31 )
                = ( minus_minus_nat @ SV80 @ SV31 ) )
              | ( SV60 = SV80 ) ) )
        = $true )
      | ( ( ~ ( ( ( minus_minus_nat @ SV60 @ SV31 )
               != ( minus_minus_nat @ SV80 @ SV31 ) )
              | ( SV60 != SV80 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[498]) ).

thf(511,plain,
    ! [SV33: list_c1059388851t_unit,SV62: list_c1059388851t_unit] :
      ( ( ( ord_less_nat @ ( sK4_SY172 @ SV62 @ SV33 ) @ ( size_s1406904903t_unit @ SV33 ) )
        = $true )
      | ( ( SV33 = SV62 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV33 )
          = ( size_s1406904903t_unit @ SV62 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[500]) ).

thf(512,plain,
    ! [SV19: list_c1059388851t_unit > $o,SV49: list_c1059388851t_unit,SV82: list_c1059388851t_unit] :
      ( ( ( ord_less_nat @ ( size_s1406904903t_unit @ SV82 ) @ ( size_s1406904903t_unit @ ( sK2_SY116 @ SV49 @ SV19 ) ) )
        = $false )
      | ( ( SV19 @ SV82 )
        = $true )
      | ( ( SV19 @ SV49 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[502]) ).

thf(513,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY157: nat] :
                ( ~ ( ord_less_nat @ SY157 @ SV20 )
                | ~ ! [SY158: config256849571t_unit] :
                      ~ ( SV50 @ SY157 @ SY158 ) )
          | ~ ~ ! [SY159: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                       != SV20 )
                      | ~ ! [SY160: nat] :
                            ( ~ ( ord_less_nat @ SY160 @ SV20 )
                            | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[503]) ).

thf(514,plain,
    ! [SV84: config256849571t_unit,SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[504]) ).

thf(515,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV83: list_c1059388851t_unit] :
      ( ( ( ( ( size_s1406904903t_unit @ SV83 )
           != SV20 )
          | ~ ! [SY177: nat] :
                ( ~ ( ord_less_nat @ SY177 @ SV20 )
                | ( SV50 @ SY177 @ ( nth_co1649820636t_unit @ SV83 @ SY177 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[505]) ).

thf(516,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
          | ( ord_less_eq_nat @ SV75 @ SV25 ) )
        = $false )
      | ( ( ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
              | ~ ( ord_less_eq_nat @ SV75 @ SV25 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[506]) ).

thf(517,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
          | ( ord_less_eq_nat @ SV56 @ SV76 ) )
        = $false )
      | ( ( ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
              | ~ ( ord_less_eq_nat @ SV56 @ SV76 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[507]) ).

thf(518,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( SV59 != SV81 )
        = $false )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[508]) ).

thf(519,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                 != ( size_s1406904903t_unit @ SV81 ) )
                | ~ ! [SY174: nat] :
                      ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                      | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                        = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $false )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[508]) ).

thf(520,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV59 )
         != ( size_s1406904903t_unit @ SV81 ) )
        = $true )
      | ( ( ~ ! [SY174: nat] :
                ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                  = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $true )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[509]) ).

thf(521,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
            = ( minus_minus_nat @ SV80 @ SV31 ) )
          | ( SV60 = SV80 ) )
        = $false )
      | ( ( ~ ( ( ( minus_minus_nat @ SV60 @ SV31 )
               != ( minus_minus_nat @ SV80 @ SV31 ) )
              | ( SV60 != SV80 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[510]) ).

thf(522,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY157: nat] :
                ( ~ ( ord_less_nat @ SY157 @ SV20 )
                | ~ ! [SY158: config256849571t_unit] :
                      ~ ( SV50 @ SY157 @ SY158 ) ) )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[513]) ).

thf(523,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ~ ! [SY159: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                       != SV20 )
                      | ~ ! [SY160: nat] :
                            ( ~ ( ord_less_nat @ SY160 @ SV20 )
                            | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[513]) ).

thf(524,plain,
    ! [SV84: config256849571t_unit,SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[514]) ).

thf(525,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV83: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV83 )
         != SV20 )
        = $true )
      | ( ( ~ ! [SY177: nat] :
                ( ~ ( ord_less_nat @ SY177 @ SV20 )
                | ( SV50 @ SY177 @ ( nth_co1649820636t_unit @ SV83 @ SY177 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[515]) ).

thf(526,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
        = $false )
      | ( ( ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
              | ~ ( ord_less_eq_nat @ SV75 @ SV25 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[516]) ).

thf(527,plain,
    ! [SV55: nat,SV25: nat,SV75: nat] :
      ( ( ( ord_less_eq_nat @ SV75 @ SV25 )
        = $false )
      | ( ( ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
              | ~ ( ord_less_eq_nat @ SV75 @ SV25 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[516]) ).

thf(528,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
        = $false )
      | ( ( ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
              | ~ ( ord_less_eq_nat @ SV56 @ SV76 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[517]) ).

thf(529,plain,
    ! [SV26: nat,SV76: nat,SV56: nat] :
      ( ( ( ord_less_eq_nat @ SV56 @ SV76 )
        = $false )
      | ( ( ~ ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
              | ~ ( ord_less_eq_nat @ SV56 @ SV76 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[517]) ).

thf(530,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( SV59 = SV81 )
        = $true )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[518]) ).

thf(531,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ SV59 )
               != ( size_s1406904903t_unit @ SV81 ) )
              | ~ ! [SY174: nat] :
                    ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                    | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                      = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $true )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[519]) ).

thf(532,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ~ ! [SY174: nat] :
                ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                  = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $true )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[520]) ).

thf(533,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
          = ( minus_minus_nat @ SV80 @ SV31 ) )
        = $false )
      | ( ( ~ ( ( ( minus_minus_nat @ SV60 @ SV31 )
               != ( minus_minus_nat @ SV80 @ SV31 ) )
              | ( SV60 != SV80 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[521]) ).

thf(534,plain,
    ! [SV31: nat,SV80: nat,SV60: nat] :
      ( ( ( SV60 = SV80 )
        = $false )
      | ( ( ~ ( ( ( minus_minus_nat @ SV60 @ SV31 )
               != ( minus_minus_nat @ SV80 @ SV31 ) )
              | ( SV60 != SV80 ) ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[521]) ).

thf(535,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY157: nat] :
              ( ~ ( ord_less_nat @ SY157 @ SV20 )
              | ~ ! [SY158: config256849571t_unit] :
                    ~ ( SV50 @ SY157 @ SY158 ) ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[522]) ).

thf(536,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY159: list_c1059388851t_unit] :
                ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                     != SV20 )
                    | ~ ! [SY160: nat] :
                          ( ~ ( ord_less_nat @ SY160 @ SV20 )
                          | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[523]) ).

thf(537,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY157: nat] :
                ( ~ ( ord_less_nat @ SY157 @ SV20 )
                | ~ ! [SY158: config256849571t_unit] :
                      ~ ( SV50 @ SY157 @ SY158 ) )
          | ~ ~ ! [SY159: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                       != SV20 )
                      | ~ ! [SY160: nat] :
                            ( ~ ( ord_less_nat @ SY160 @ SV20 )
                            | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[524]) ).

thf(538,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV83: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ~ ! [SY177: nat] :
                ( ~ ( ord_less_nat @ SY177 @ SV20 )
                | ( SV50 @ SY177 @ ( nth_co1649820636t_unit @ SV83 @ SY177 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[525]) ).

thf(539,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
          | ~ ( ord_less_eq_nat @ SV75 @ SV25 ) )
        = $false )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[526]) ).

thf(540,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
          | ~ ( ord_less_eq_nat @ SV75 @ SV25 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV25 )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[527]) ).

thf(541,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
          | ~ ( ord_less_eq_nat @ SV56 @ SV76 ) )
        = $false )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[528]) ).

thf(542,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
          | ~ ( ord_less_eq_nat @ SV56 @ SV76 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV56 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[529]) ).

thf(543,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( ( size_s1406904903t_unit @ SV59 )
           != ( size_s1406904903t_unit @ SV81 ) )
          | ~ ! [SY174: nat] :
                ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                  = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $false )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[531]) ).

thf(544,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ! [SY174: nat] :
              ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
              | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[532]) ).

thf(545,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
           != ( minus_minus_nat @ SV80 @ SV31 ) )
          | ( SV60 != SV80 ) )
        = $false )
      | ( ( ( minus_minus_nat @ SV60 @ SV31 )
          = ( minus_minus_nat @ SV80 @ SV31 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[533]) ).

thf(546,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
           != ( minus_minus_nat @ SV80 @ SV31 ) )
          | ( SV60 != SV80 ) )
        = $false )
      | ( ( SV60 = SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[534]) ).

thf(547,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV85: nat] :
      ( ( ( ~ ( ord_less_nat @ SV85 @ SV20 )
          | ~ ! [SY178: config256849571t_unit] :
                ~ ( SV50 @ SV85 @ SY178 ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[535]) ).

thf(548,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY159: list_c1059388851t_unit] :
              ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                   != SV20 )
                  | ~ ! [SY160: nat] :
                        ( ~ ( ord_less_nat @ SY160 @ SV20 )
                        | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[536]) ).

thf(549,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY157: nat] :
                ( ~ ( ord_less_nat @ SY157 @ SV20 )
                | ~ ! [SY158: config256849571t_unit] :
                      ~ ( SV50 @ SY157 @ SY158 ) ) )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[537]) ).

thf(550,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ~ ! [SY159: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                       != SV20 )
                      | ~ ! [SY160: nat] :
                            ( ~ ( ord_less_nat @ SY160 @ SV20 )
                            | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[537]) ).

thf(551,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY177: nat] :
              ( ~ ( ord_less_nat @ SY177 @ SV20 )
              | ( SV50 @ SY177 @ ( nth_co1649820636t_unit @ SV83 @ SY177 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[538]) ).

thf(552,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) ) )
        = $false )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[539]) ).

thf(553,plain,
    ! [SV55: nat,SV25: nat,SV75: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV75 @ SV25 ) )
        = $false )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[539]) ).

thf(554,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV25 )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[540]) ).

thf(555,plain,
    ! [SV55: nat,SV25: nat,SV75: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV75 @ SV25 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV25 )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[540]) ).

thf(556,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) ) )
        = $false )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[541]) ).

thf(557,plain,
    ! [SV26: nat,SV76: nat,SV56: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV56 @ SV76 ) )
        = $false )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[541]) ).

thf(558,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV56 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[542]) ).

thf(559,plain,
    ! [SV26: nat,SV76: nat,SV56: nat] :
      ( ( ( ~ ( ord_less_eq_nat @ SV56 @ SV76 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV56 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[542]) ).

thf(560,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV59 )
         != ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[543]) ).

thf(561,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ! [SY174: nat] :
                ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                  = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $false )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[543]) ).

thf(562,plain,
    ! [SV59: list_c1059388851t_unit,SV81: list_c1059388851t_unit] :
      ( ( ( ~ ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
          | ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
            = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[544]) ).

thf(563,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
         != ( minus_minus_nat @ SV80 @ SV31 ) )
        = $false )
      | ( ( ( minus_minus_nat @ SV60 @ SV31 )
          = ( minus_minus_nat @ SV80 @ SV31 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[545]) ).

thf(564,plain,
    ! [SV31: nat,SV80: nat,SV60: nat] :
      ( ( ( SV60 != SV80 )
        = $false )
      | ( ( ( minus_minus_nat @ SV60 @ SV31 )
          = ( minus_minus_nat @ SV80 @ SV31 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[545]) ).

thf(565,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
         != ( minus_minus_nat @ SV80 @ SV31 ) )
        = $false )
      | ( ( SV60 = SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[546]) ).

thf(566,plain,
    ! [SV31: nat,SV80: nat,SV60: nat] :
      ( ( ( SV60 != SV80 )
        = $false )
      | ( ( SV60 = SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[546]) ).

thf(567,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV85: nat] :
      ( ( ( ~ ( ord_less_nat @ SV85 @ SV20 ) )
        = $true )
      | ( ( ~ ! [SY178: config256849571t_unit] :
                ~ ( SV50 @ SV85 @ SY178 ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[547]) ).

thf(568,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ~ ( ( ( size_s1406904903t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) )
                 != SV20 )
                | ~ ! [SY179: nat] :
                      ( ~ ( ord_less_nat @ SY179 @ SV20 )
                      | ( SV50 @ SY179 @ ( nth_co1649820636t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) @ SY179 ) ) ) ) )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[548]) ).

thf(569,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY157: nat] :
              ( ~ ( ord_less_nat @ SY157 @ SV20 )
              | ~ ! [SY158: config256849571t_unit] :
                    ~ ( SV50 @ SY157 @ SY158 ) ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[549]) ).

thf(570,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY159: list_c1059388851t_unit] :
                ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                     != SV20 )
                    | ~ ! [SY160: nat] :
                          ( ~ ( ord_less_nat @ SY160 @ SV20 )
                          | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[550]) ).

thf(571,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ~ ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
          | ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[551]) ).

thf(572,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
        = $true )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[552]) ).

thf(573,plain,
    ! [SV55: nat,SV25: nat,SV75: nat] :
      ( ( ( ord_less_eq_nat @ SV75 @ SV25 )
        = $true )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[553]) ).

thf(574,plain,
    ! [SV75: nat,SV25: nat,SV55: nat] :
      ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV55 @ SV25 ) @ ( minus_minus_nat @ SV55 @ SV75 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV75 @ SV25 )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[554]) ).

thf(575,plain,
    ! [SV55: nat,SV25: nat,SV75: nat] :
      ( ( ( ord_less_eq_nat @ SV75 @ SV25 )
        = $true )
      | ( ( ord_less_eq_nat @ SV75 @ SV25 )
        = $false )
      | ( ( ord_less_eq_nat @ SV75 @ SV55 )
        = $false )
      | ( ( ord_less_eq_nat @ SV25 @ SV55 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[555]) ).

thf(576,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
        = $true )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[556]) ).

thf(577,plain,
    ! [SV26: nat,SV76: nat,SV56: nat] :
      ( ( ( ord_less_eq_nat @ SV56 @ SV76 )
        = $true )
      | ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[557]) ).

thf(578,plain,
    ! [SV76: nat,SV26: nat,SV56: nat] :
      ( ( ( ord_less_eq_nat @ ( minus_minus_nat @ SV56 @ SV26 ) @ ( minus_minus_nat @ SV76 @ SV26 ) )
        = $true )
      | ( ( ord_less_eq_nat @ SV56 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[558]) ).

thf(579,plain,
    ! [SV26: nat,SV76: nat,SV56: nat] :
      ( ( ( ord_less_eq_nat @ SV56 @ SV76 )
        = $true )
      | ( ( ord_less_eq_nat @ SV56 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV76 )
        = $false )
      | ( ( ord_less_eq_nat @ SV26 @ SV56 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[559]) ).

thf(580,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $true )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[560]) ).

thf(581,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ! [SY174: nat] :
              ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
              | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $true )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[561]) ).

thf(582,plain,
    ! [SV59: list_c1059388851t_unit,SV81: list_c1059388851t_unit] :
      ( ( ( ~ ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[562]) ).

thf(583,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[562]) ).

thf(584,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
          = ( minus_minus_nat @ SV80 @ SV31 ) )
        = $true )
      | ( ( ( minus_minus_nat @ SV60 @ SV31 )
          = ( minus_minus_nat @ SV80 @ SV31 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[563]) ).

thf(585,plain,
    ! [SV31: nat,SV80: nat,SV60: nat] :
      ( ( ( SV60 = SV80 )
        = $true )
      | ( ( ( minus_minus_nat @ SV60 @ SV31 )
          = ( minus_minus_nat @ SV80 @ SV31 ) )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[564]) ).

thf(586,plain,
    ! [SV80: nat,SV31: nat,SV60: nat] :
      ( ( ( ( minus_minus_nat @ SV60 @ SV31 )
          = ( minus_minus_nat @ SV80 @ SV31 ) )
        = $true )
      | ( ( SV60 = SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[565]) ).

thf(587,plain,
    ! [SV31: nat,SV80: nat,SV60: nat] :
      ( ( ( SV60 = SV80 )
        = $true )
      | ( ( SV60 = SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV80 )
        = $false )
      | ( ( ord_less_eq_nat @ SV31 @ SV60 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[566]) ).

thf(588,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV85: nat] :
      ( ( ( ord_less_nat @ SV85 @ SV20 )
        = $false )
      | ( ( ~ ! [SY178: config256849571t_unit] :
                ~ ( SV50 @ SV85 @ SY178 ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[567]) ).

thf(589,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) )
               != SV20 )
              | ~ ! [SY179: nat] :
                    ( ~ ( ord_less_nat @ SY179 @ SV20 )
                    | ( SV50 @ SY179 @ ( nth_co1649820636t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) @ SY179 ) ) ) ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[568]) ).

thf(590,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV86: nat] :
      ( ( ( ~ ( ord_less_nat @ SV86 @ SV20 )
          | ~ ! [SY180: config256849571t_unit] :
                ~ ( SV50 @ SV86 @ SY180 ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[569]) ).

thf(591,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY159: list_c1059388851t_unit] :
              ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                   != SV20 )
                  | ~ ! [SY160: nat] :
                        ( ~ ( ord_less_nat @ SY160 @ SV20 )
                        | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[570]) ).

thf(592,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ~ ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[571]) ).

thf(593,plain,
    ! [SV20: nat,SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o] :
      ( ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[571]) ).

thf(594,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit,SV87: nat] :
      ( ( ( ~ ( ord_less_nat @ SV87 @ ( size_s1406904903t_unit @ SV59 ) )
          | ( ( nth_co1649820636t_unit @ SV59 @ SV87 )
            = ( nth_co1649820636t_unit @ SV81 @ SV87 ) ) )
        = $true )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[581]) ).

thf(595,plain,
    ! [SV59: list_c1059388851t_unit,SV81: list_c1059388851t_unit] :
      ( ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ~ ( ( SV59 != SV81 )
              | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                     != ( size_s1406904903t_unit @ SV81 ) )
                    | ~ ! [SY174: nat] :
                          ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                          | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                            = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[582]) ).

thf(596,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( SV59 != SV81 )
          | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                 != ( size_s1406904903t_unit @ SV81 ) )
                | ~ ! [SY174: nat] :
                      ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                      | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                        = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[583]) ).

thf(597,plain,
    ! [SV20: nat,SV85: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ! [SY178: config256849571t_unit] :
              ~ ( SV50 @ SV85 @ SY178 ) )
        = $false )
      | ( ( ord_less_nat @ SV85 @ SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[588]) ).

thf(598,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ( ( size_s1406904903t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) )
           != SV20 )
          | ~ ! [SY179: nat] :
                ( ~ ( ord_less_nat @ SY179 @ SV20 )
                | ( SV50 @ SY179 @ ( nth_co1649820636t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) @ SY179 ) ) ) )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[589]) ).

thf(599,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV86: nat] :
      ( ( ( ~ ( ord_less_nat @ SV86 @ SV20 ) )
        = $true )
      | ( ( ~ ! [SY180: config256849571t_unit] :
                ~ ( SV50 @ SV86 @ SY180 ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[590]) ).

thf(600,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV84: config256849571t_unit] :
      ( ( ( ~ ~ ( ( ( size_s1406904903t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) )
                 != SV20 )
                | ~ ! [SY181: nat] :
                      ( ~ ( ord_less_nat @ SY181 @ SV20 )
                      | ( SV50 @ SY181 @ ( nth_co1649820636t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) @ SY181 ) ) ) ) )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[591]) ).

thf(601,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ~ ( ~ ! [SY157: nat] :
                    ( ~ ( ord_less_nat @ SY157 @ SV20 )
                    | ~ ! [SY158: config256849571t_unit] :
                          ~ ( SV50 @ SY157 @ SY158 ) )
              | ~ ~ ! [SY159: list_c1059388851t_unit] :
                      ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                           != SV20 )
                          | ~ ! [SY160: nat] :
                                ( ~ ( ord_less_nat @ SY160 @ SV20 )
                                | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[592]) ).

thf(602,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY157: nat] :
                ( ~ ( ord_less_nat @ SY157 @ SV20 )
                | ~ ! [SY158: config256849571t_unit] :
                      ~ ( SV50 @ SY157 @ SY158 ) )
          | ~ ~ ! [SY159: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                       != SV20 )
                      | ~ ! [SY160: nat] :
                            ( ~ ( ord_less_nat @ SY160 @ SV20 )
                            | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[593]) ).

thf(603,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit,SV87: nat] :
      ( ( ( ~ ( ord_less_nat @ SV87 @ ( size_s1406904903t_unit @ SV59 ) ) )
        = $true )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ SV87 )
          = ( nth_co1649820636t_unit @ SV81 @ SV87 ) )
        = $true )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[594]) ).

thf(604,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( SV59 != SV81 )
          | ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                 != ( size_s1406904903t_unit @ SV81 ) )
                | ~ ! [SY174: nat] :
                      ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                      | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                        = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[595]) ).

thf(605,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( SV59 != SV81 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[596]) ).

thf(606,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                 != ( size_s1406904903t_unit @ SV81 ) )
                | ~ ! [SY174: nat] :
                      ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                      | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                        = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[596]) ).

thf(607,plain,
    ! [SV20: nat,SV85: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ( SV50 @ SV85 @ ( sK9_SY178 @ SV20 @ SV85 @ SV50 ) ) )
        = $false )
      | ( ( ord_less_nat @ SV85 @ SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[597]) ).

thf(608,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ( size_s1406904903t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) )
         != SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[598]) ).

thf(609,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY179: nat] :
                ( ~ ( ord_less_nat @ SY179 @ SV20 )
                | ( SV50 @ SY179 @ ( nth_co1649820636t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) @ SY179 ) ) ) )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[598]) ).

thf(610,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV86: nat] :
      ( ( ( ord_less_nat @ SV86 @ SV20 )
        = $false )
      | ( ( ~ ! [SY180: config256849571t_unit] :
                ~ ( SV50 @ SV86 @ SY180 ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[599]) ).

thf(611,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV84: config256849571t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) )
               != SV20 )
              | ~ ! [SY181: nat] :
                    ( ~ ( ord_less_nat @ SY181 @ SV20 )
                    | ( SV50 @ SY181 @ ( nth_co1649820636t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) @ SY181 ) ) ) ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[600]) ).

thf(612,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY157: nat] :
                ( ~ ( ord_less_nat @ SY157 @ SV20 )
                | ~ ! [SY158: config256849571t_unit] :
                      ~ ( SV50 @ SY157 @ SY158 ) )
          | ~ ~ ! [SY159: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                       != SV20 )
                      | ~ ! [SY160: nat] :
                            ( ~ ( ord_less_nat @ SY160 @ SV20 )
                            | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[601]) ).

thf(613,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY157: nat] :
                ( ~ ( ord_less_nat @ SY157 @ SV20 )
                | ~ ! [SY158: config256849571t_unit] :
                      ~ ( SV50 @ SY157 @ SY158 ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[602]) ).

thf(614,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ~ ! [SY159: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                       != SV20 )
                      | ~ ! [SY160: nat] :
                            ( ~ ( ord_less_nat @ SY160 @ SV20 )
                            | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[602]) ).

thf(615,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit,SV87: nat] :
      ( ( ( ord_less_nat @ SV87 @ ( size_s1406904903t_unit @ SV59 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ SV87 )
          = ( nth_co1649820636t_unit @ SV81 @ SV87 ) )
        = $true )
      | ( ( SV59 = SV81 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[603]) ).

thf(616,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( SV59 != SV81 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[604]) ).

thf(617,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ~ ( ( ( size_s1406904903t_unit @ SV59 )
                 != ( size_s1406904903t_unit @ SV81 ) )
                | ~ ! [SY174: nat] :
                      ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                      | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                        = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[604]) ).

thf(618,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( SV59 = SV81 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[605]) ).

thf(619,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ SV59 )
               != ( size_s1406904903t_unit @ SV81 ) )
              | ~ ! [SY174: nat] :
                    ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                    | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                      = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[606]) ).

thf(620,plain,
    ! [SV20: nat,SV85: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( SV50 @ SV85 @ ( sK9_SY178 @ SV20 @ SV85 @ SV50 ) )
        = $true )
      | ( ( ord_less_nat @ SV85 @ SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[607]) ).

thf(621,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ( size_s1406904903t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) )
          = SV20 )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[608]) ).

thf(622,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY179: nat] :
              ( ~ ( ord_less_nat @ SY179 @ SV20 )
              | ( SV50 @ SY179 @ ( nth_co1649820636t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) @ SY179 ) ) ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[609]) ).

thf(623,plain,
    ! [SV84: config256849571t_unit,SV20: nat,SV86: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ! [SY180: config256849571t_unit] :
              ~ ( SV50 @ SV86 @ SY180 ) )
        = $false )
      | ( ( ord_less_nat @ SV86 @ SV20 )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[610]) ).

thf(624,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV84: config256849571t_unit] :
      ( ( ( ( ( size_s1406904903t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) )
           != SV20 )
          | ~ ! [SY181: nat] :
                ( ~ ( ord_less_nat @ SY181 @ SV20 )
                | ( SV50 @ SY181 @ ( nth_co1649820636t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) @ SY181 ) ) ) )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[611]) ).

thf(625,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY157: nat] :
                ( ~ ( ord_less_nat @ SY157 @ SV20 )
                | ~ ! [SY158: config256849571t_unit] :
                      ~ ( SV50 @ SY157 @ SY158 ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[612]) ).

thf(626,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ~ ! [SY159: list_c1059388851t_unit] :
                  ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                       != SV20 )
                      | ~ ! [SY160: nat] :
                            ( ~ ( ord_less_nat @ SY160 @ SV20 )
                            | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[612]) ).

thf(627,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY157: nat] :
              ( ~ ( ord_less_nat @ SY157 @ SV20 )
              | ~ ! [SY158: config256849571t_unit] :
                    ~ ( SV50 @ SY157 @ SY158 ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[613]) ).

thf(628,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY159: list_c1059388851t_unit] :
                ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                     != SV20 )
                    | ~ ! [SY160: nat] :
                          ( ~ ( ord_less_nat @ SY160 @ SV20 )
                          | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[614]) ).

thf(629,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( SV59 = SV81 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[616]) ).

thf(630,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ SV59 )
               != ( size_s1406904903t_unit @ SV81 ) )
              | ~ ! [SY174: nat] :
                    ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                    | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                      = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[617]) ).

thf(631,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( ( size_s1406904903t_unit @ SV59 )
           != ( size_s1406904903t_unit @ SV81 ) )
          | ~ ! [SY174: nat] :
                ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                  = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[619]) ).

thf(632,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV88: nat] :
      ( ( ( ~ ( ord_less_nat @ SV88 @ SV20 )
          | ( SV50 @ SV88 @ ( nth_co1649820636t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) @ SV88 ) ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[622]) ).

thf(633,plain,
    ! [SV20: nat,SV84: config256849571t_unit,SV86: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ( SV50 @ SV86 @ ( sK10_SY180 @ SV84 @ SV20 @ SV86 @ SV50 ) ) )
        = $false )
      | ( ( ord_less_nat @ SV86 @ SV20 )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[623]) ).

thf(634,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV84: config256849571t_unit] :
      ( ( ( ( size_s1406904903t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) )
         != SV20 )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[624]) ).

thf(635,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY181: nat] :
                ( ~ ( ord_less_nat @ SY181 @ SV20 )
                | ( SV50 @ SY181 @ ( nth_co1649820636t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) @ SY181 ) ) ) )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[624]) ).

thf(636,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY157: nat] :
              ( ~ ( ord_less_nat @ SY157 @ SV20 )
              | ~ ! [SY158: config256849571t_unit] :
                    ~ ( SV50 @ SY157 @ SY158 ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[625]) ).

thf(637,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY159: list_c1059388851t_unit] :
                ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                     != SV20 )
                    | ~ ! [SY160: nat] :
                          ( ~ ( ord_less_nat @ SY160 @ SV20 )
                          | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[626]) ).

thf(638,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV89: nat] :
      ( ( ( ~ ( ord_less_nat @ SV89 @ SV20 )
          | ~ ! [SY182: config256849571t_unit] :
                ~ ( SV50 @ SV89 @ SY182 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[627]) ).

thf(639,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY159: list_c1059388851t_unit] :
              ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                   != SV20 )
                  | ~ ! [SY160: nat] :
                        ( ~ ( ord_less_nat @ SY160 @ SV20 )
                        | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[628]) ).

thf(640,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( ( size_s1406904903t_unit @ SV59 )
           != ( size_s1406904903t_unit @ SV81 ) )
          | ~ ! [SY174: nat] :
                ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                  = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[630]) ).

thf(641,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV59 )
         != ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[631]) ).

thf(642,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ! [SY174: nat] :
                ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                  = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[631]) ).

thf(643,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV88: nat] :
      ( ( ( ~ ( ord_less_nat @ SV88 @ SV20 ) )
        = $true )
      | ( ( SV50 @ SV88 @ ( nth_co1649820636t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) @ SV88 ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[632]) ).

thf(644,plain,
    ! [SV20: nat,SV84: config256849571t_unit,SV86: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( SV50 @ SV86 @ ( sK10_SY180 @ SV84 @ SV20 @ SV86 @ SV50 ) )
        = $true )
      | ( ( ord_less_nat @ SV86 @ SV20 )
        = $false )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[633]) ).

thf(645,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV84: config256849571t_unit] :
      ( ( ( ( size_s1406904903t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) )
          = SV20 )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[634]) ).

thf(646,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY181: nat] :
              ( ~ ( ord_less_nat @ SY181 @ SV20 )
              | ( SV50 @ SY181 @ ( nth_co1649820636t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) @ SY181 ) ) ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[635]) ).

thf(647,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV90: nat] :
      ( ( ( ~ ( ord_less_nat @ SV90 @ SV20 )
          | ~ ! [SY183: config256849571t_unit] :
                ~ ( SV50 @ SV90 @ SY183 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[636]) ).

thf(648,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY159: list_c1059388851t_unit] :
              ~ ~ ( ( ( size_s1406904903t_unit @ SY159 )
                   != SV20 )
                  | ~ ! [SY160: nat] :
                        ( ~ ( ord_less_nat @ SY160 @ SV20 )
                        | ( SV50 @ SY160 @ ( nth_co1649820636t_unit @ SY159 @ SY160 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[637]) ).

thf(649,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV89: nat] :
      ( ( ( ~ ( ord_less_nat @ SV89 @ SV20 ) )
        = $true )
      | ( ( ~ ! [SY182: config256849571t_unit] :
                ~ ( SV50 @ SV89 @ SY182 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[638]) ).

thf(650,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ~ ~ ( ( ( size_s1406904903t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) )
                 != SV20 )
                | ~ ! [SY184: nat] :
                      ( ~ ( ord_less_nat @ SY184 @ SV20 )
                      | ( SV50 @ SY184 @ ( nth_co1649820636t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) @ SY184 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[639]) ).

thf(651,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV59 )
         != ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[640]) ).

thf(652,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ~ ! [SY174: nat] :
                ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
                | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                  = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[640]) ).

thf(653,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[641]) ).

thf(654,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ! [SY174: nat] :
              ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
              | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[642]) ).

thf(655,plain,
    ! [SV50: nat > config256849571t_unit > $o,SV20: nat,SV88: nat] :
      ( ( ( ord_less_nat @ SV88 @ SV20 )
        = $false )
      | ( ( SV50 @ SV88 @ ( nth_co1649820636t_unit @ ( sK6_SY159 @ SV50 @ SV20 ) @ SV88 ) )
        = $true )
      | ( ( ord_less_nat @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[643]) ).

thf(656,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV91: nat] :
      ( ( ( ~ ( ord_less_nat @ SV91 @ SV20 )
          | ( SV50 @ SV91 @ ( nth_co1649820636t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) @ SV91 ) ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[646]) ).

thf(657,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV90: nat] :
      ( ( ( ~ ( ord_less_nat @ SV90 @ SV20 ) )
        = $true )
      | ( ( ~ ! [SY183: config256849571t_unit] :
                ~ ( SV50 @ SV90 @ SY183 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[647]) ).

thf(658,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ~ ~ ( ( ( size_s1406904903t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) )
                 != SV20 )
                | ~ ! [SY185: nat] :
                      ( ~ ( ord_less_nat @ SY185 @ SV20 )
                      | ( SV50 @ SY185 @ ( nth_co1649820636t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) @ SY185 ) ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[648]) ).

thf(659,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV89: nat] :
      ( ( ( ord_less_nat @ SV89 @ SV20 )
        = $false )
      | ( ( ~ ! [SY182: config256849571t_unit] :
                ~ ( SV50 @ SV89 @ SY182 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[649]) ).

thf(660,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) )
               != SV20 )
              | ~ ! [SY184: nat] :
                    ( ~ ( ord_less_nat @ SY184 @ SV20 )
                    | ( SV50 @ SY184 @ ( nth_co1649820636t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) @ SY184 ) ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[650]) ).

thf(661,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[651]) ).

thf(662,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit] :
      ( ( ( ! [SY174: nat] :
              ( ~ ( ord_less_nat @ SY174 @ ( size_s1406904903t_unit @ SV59 ) )
              | ( ( nth_co1649820636t_unit @ SV59 @ SY174 )
                = ( nth_co1649820636t_unit @ SV81 @ SY174 ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[652]) ).

thf(663,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit,SV92: nat] :
      ( ( ( ~ ( ord_less_nat @ SV92 @ ( size_s1406904903t_unit @ SV59 ) )
          | ( ( nth_co1649820636t_unit @ SV59 @ SV92 )
            = ( nth_co1649820636t_unit @ SV81 @ SV92 ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[654]) ).

thf(664,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV91: nat] :
      ( ( ( ~ ( ord_less_nat @ SV91 @ SV20 ) )
        = $true )
      | ( ( SV50 @ SV91 @ ( nth_co1649820636t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) @ SV91 ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[656]) ).

thf(665,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV90: nat] :
      ( ( ( ord_less_nat @ SV90 @ SV20 )
        = $false )
      | ( ( ~ ! [SY183: config256849571t_unit] :
                ~ ( SV50 @ SV90 @ SY183 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[657]) ).

thf(666,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ~ ( ( ( size_s1406904903t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) )
               != SV20 )
              | ~ ! [SY185: nat] :
                    ( ~ ( ord_less_nat @ SY185 @ SV20 )
                    | ( SV50 @ SY185 @ ( nth_co1649820636t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) @ SY185 ) ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[658]) ).

thf(667,plain,
    ! [SV83: list_c1059388851t_unit,SV20: nat,SV89: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ! [SY182: config256849571t_unit] :
              ~ ( SV50 @ SV89 @ SY182 ) )
        = $false )
      | ( ( ord_less_nat @ SV89 @ SV20 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[659]) ).

thf(668,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ( ( size_s1406904903t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) )
           != SV20 )
          | ~ ! [SY184: nat] :
                ( ~ ( ord_less_nat @ SY184 @ SV20 )
                | ( SV50 @ SY184 @ ( nth_co1649820636t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) @ SY184 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[660]) ).

thf(669,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit,SV93: nat] :
      ( ( ( ~ ( ord_less_nat @ SV93 @ ( size_s1406904903t_unit @ SV59 ) )
          | ( ( nth_co1649820636t_unit @ SV59 @ SV93 )
            = ( nth_co1649820636t_unit @ SV81 @ SV93 ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[662]) ).

thf(670,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit,SV92: nat] :
      ( ( ( ~ ( ord_less_nat @ SV92 @ ( size_s1406904903t_unit @ SV59 ) ) )
        = $true )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ SV92 )
          = ( nth_co1649820636t_unit @ SV81 @ SV92 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[663]) ).

thf(671,plain,
    ! [SV84: config256849571t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV91: nat] :
      ( ( ( ord_less_nat @ SV91 @ SV20 )
        = $false )
      | ( ( SV50 @ SV91 @ ( nth_co1649820636t_unit @ ( sK8_SY159 @ SV84 @ SV50 @ SV20 ) @ SV91 ) )
        = $true )
      | ( ( SV50 @ ( sK3_SY157 @ SV50 @ SV20 ) @ SV84 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[664]) ).

thf(672,plain,
    ! [SV83: list_c1059388851t_unit,SV20: nat,SV90: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ! [SY183: config256849571t_unit] :
              ~ ( SV50 @ SV90 @ SY183 ) )
        = $false )
      | ( ( ord_less_nat @ SV90 @ SV20 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[665]) ).

thf(673,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ( ( size_s1406904903t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) )
           != SV20 )
          | ~ ! [SY185: nat] :
                ( ~ ( ord_less_nat @ SY185 @ SV20 )
                | ( SV50 @ SY185 @ ( nth_co1649820636t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) @ SY185 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[666]) ).

thf(674,plain,
    ! [SV20: nat,SV83: list_c1059388851t_unit,SV89: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ( SV50 @ SV89 @ ( sK13_SY182 @ SV83 @ SV20 @ SV89 @ SV50 ) ) )
        = $false )
      | ( ( ord_less_nat @ SV89 @ SV20 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[667]) ).

thf(675,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) )
         != SV20 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[668]) ).

thf(676,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY184: nat] :
                ( ~ ( ord_less_nat @ SY184 @ SV20 )
                | ( SV50 @ SY184 @ ( nth_co1649820636t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) @ SY184 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[668]) ).

thf(677,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit,SV93: nat] :
      ( ( ( ~ ( ord_less_nat @ SV93 @ ( size_s1406904903t_unit @ SV59 ) ) )
        = $true )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ SV93 )
          = ( nth_co1649820636t_unit @ SV81 @ SV93 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[669]) ).

thf(678,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit,SV92: nat] :
      ( ( ( ord_less_nat @ SV92 @ ( size_s1406904903t_unit @ SV59 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ SV92 )
          = ( nth_co1649820636t_unit @ SV81 @ SV92 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ ( sK5_SY174 @ SV81 @ SV59 ) )
          = ( nth_co1649820636t_unit @ SV81 @ ( sK5_SY174 @ SV81 @ SV59 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[670]) ).

thf(679,plain,
    ! [SV20: nat,SV83: list_c1059388851t_unit,SV90: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( ~ ( SV50 @ SV90 @ ( sK14_SY183 @ SV83 @ SV20 @ SV90 @ SV50 ) ) )
        = $false )
      | ( ( ord_less_nat @ SV90 @ SV20 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[672]) ).

thf(680,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) )
         != SV20 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[673]) ).

thf(681,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ~ ! [SY185: nat] :
                ( ~ ( ord_less_nat @ SY185 @ SV20 )
                | ( SV50 @ SY185 @ ( nth_co1649820636t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) @ SY185 ) ) ) )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[673]) ).

thf(682,plain,
    ! [SV20: nat,SV83: list_c1059388851t_unit,SV89: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( SV50 @ SV89 @ ( sK13_SY182 @ SV83 @ SV20 @ SV89 @ SV50 ) )
        = $true )
      | ( ( ord_less_nat @ SV89 @ SV20 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[674]) ).

thf(683,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) )
          = SV20 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[675]) ).

thf(684,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY184: nat] :
              ( ~ ( ord_less_nat @ SY184 @ SV20 )
              | ( SV50 @ SY184 @ ( nth_co1649820636t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) @ SY184 ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[676]) ).

thf(685,plain,
    ! [SV81: list_c1059388851t_unit,SV59: list_c1059388851t_unit,SV93: nat] :
      ( ( ( ord_less_nat @ SV93 @ ( size_s1406904903t_unit @ SV59 ) )
        = $false )
      | ( ( ( nth_co1649820636t_unit @ SV59 @ SV93 )
          = ( nth_co1649820636t_unit @ SV81 @ SV93 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV59 )
          = ( size_s1406904903t_unit @ SV81 ) )
        = $false )
      | ( ( ord_less_nat @ ( sK5_SY174 @ SV81 @ SV59 ) @ ( size_s1406904903t_unit @ SV59 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[677]) ).

thf(686,plain,
    ! [SV20: nat,SV83: list_c1059388851t_unit,SV90: nat,SV50: nat > config256849571t_unit > $o] :
      ( ( ( SV50 @ SV90 @ ( sK14_SY183 @ SV83 @ SV20 @ SV90 @ SV50 ) )
        = $true )
      | ( ( ord_less_nat @ SV90 @ SV20 )
        = $false )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[679]) ).

thf(687,plain,
    ! [SV20: nat,SV50: nat > config256849571t_unit > $o,SV83: list_c1059388851t_unit] :
      ( ( ( ( size_s1406904903t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) )
          = SV20 )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[680]) ).

thf(688,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat] :
      ( ( ( ! [SY185: nat] :
              ( ~ ( ord_less_nat @ SY185 @ SV20 )
              | ( SV50 @ SY185 @ ( nth_co1649820636t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) @ SY185 ) ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[681]) ).

thf(689,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV94: nat] :
      ( ( ( ~ ( ord_less_nat @ SV94 @ SV20 )
          | ( SV50 @ SV94 @ ( nth_co1649820636t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) @ SV94 ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[684]) ).

thf(690,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV95: nat] :
      ( ( ( ~ ( ord_less_nat @ SV95 @ SV20 )
          | ( SV50 @ SV95 @ ( nth_co1649820636t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) @ SV95 ) ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[688]) ).

thf(691,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV94: nat] :
      ( ( ( ~ ( ord_less_nat @ SV94 @ SV20 ) )
        = $true )
      | ( ( SV50 @ SV94 @ ( nth_co1649820636t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) @ SV94 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[689]) ).

thf(692,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV95: nat] :
      ( ( ( ~ ( ord_less_nat @ SV95 @ SV20 ) )
        = $true )
      | ( ( SV50 @ SV95 @ ( nth_co1649820636t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) @ SV95 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[690]) ).

thf(693,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV94: nat] :
      ( ( ( ord_less_nat @ SV94 @ SV20 )
        = $false )
      | ( ( SV50 @ SV94 @ ( nth_co1649820636t_unit @ ( sK11_SY159 @ SV83 @ SV50 @ SV20 ) @ SV94 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( SV50 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ ( nth_co1649820636t_unit @ SV83 @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[691]) ).

thf(694,plain,
    ! [SV83: list_c1059388851t_unit,SV50: nat > config256849571t_unit > $o,SV20: nat,SV95: nat] :
      ( ( ( ord_less_nat @ SV95 @ SV20 )
        = $false )
      | ( ( SV50 @ SV95 @ ( nth_co1649820636t_unit @ ( sK12_SY159 @ SV83 @ SV50 @ SV20 ) @ SV95 ) )
        = $true )
      | ( ( ( size_s1406904903t_unit @ SV83 )
          = SV20 )
        = $false )
      | ( ( ord_less_nat @ ( sK7_SY177 @ SV83 @ SV50 @ SV20 ) @ SV20 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[692]) ).

thf(695,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[259,694,693,687,686,685,683,682,678,671,661,655,653,645,644,629,621,620,618,615,587,586,585,584,580,579,578,577,576,575,574,573,572,530,512,511,501,499,495,493,487,486,485,484,478,477,468,459,457,451,449,448,443,439,430,425,421,418,413,402,395,394,393,392,391,390,389,387,367,366,361,359,356,354,349,345,331,320,283,261]) ).

thf(696,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[695]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : ITP056^1 : TPTP v9.3.1. Released v7.5.0.
% 0.00/0.05  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.20  % Computer : n006.cluster.edu
% 0.09/0.20  % Model    : x86_64 x86_64
% 0.09/0.20  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.20  % Memory   : 8046.5625MB
% 0.09/0.20  % OS       : Linux 6.8.0-71-generic
% 0.09/0.20  % CPULimit : 300
% 0.09/0.20  % WCLimit  : 300
% 0.09/0.20  % DateTime : Tue Oct  6 11:14:52 UTC 2026
% 0.09/0.21  % CPUTime  : 
% 0.09/0.21  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 4.81/1.08  .
% 4.81/1.08  
% 4.81/1.08   No.of.Axioms: 38
% 4.81/1.08  
% 4.81/1.08   Length.of.Defs: 0
% 4.81/1.08  
% 4.81/1.08   Contains.Choice.Funs: false
% 4.81/1.08  ................
% 4.81/1.08  
% 4.81/1.08  ********************************
% 4.81/1.08  *   All subproblems solved!    *
% 4.81/1.08  ********************************
% 4.81/1.08  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:38,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:695,loop_count:0,foatp_calls:1,translation:fof_full)
% 4.81/1.08  
% 4.81/1.08  %**** Beginning of derivation protocol ****
% 4.81/1.08  % SZS output start CNFRefutation
% See solution above
% 4.81/1.08  
% 4.81/1.08  %**** End of derivation protocol ****
% 4.81/1.08  %**** no. of clauses in derivation: 520 ****
% 4.81/1.08  %**** clause counter: 695 ****
% 4.81/1.08  
% 4.81/1.08  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:38,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:695,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------