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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SWX223+1 : TPTP v9.3.1. Released v9.3.0.
% 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 : n026.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 11:02:36 AM UTC 2026

% Result   : Theorem 1.49s 0.55s
% Output   : CNFRefutation 1.49s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   36
% Syntax   : Number of formulae    :  302 ( 231 unt;   0 typ;   0 def)
%            Number of atoms       : 1317 ( 595 equ;   0 cnn)
%            Maximal formula atoms :    4 (   4 avg)
%            Number of connectives : 2774 ( 512   ~; 275   |;  11   &;1949   @)
%                                         (  15 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   30 (  27 usr;   8 con; 0-3 aty)
%            Number of variables   :  775 (   0   ^; 770   !;   5   ?; 775   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_a,type,
    a: $i ).

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

thf(tp_arr,type,
    arr: $i > $i > $i ).

thf(tp_b,type,
    b: $i ).

thf(tp_c,type,
    c: $i ).

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

thf(tp_head,type,
    head: $i > $i ).

thf(tp_index,type,
    index: $i > $i > $i ).

thf(tp_just,type,
    just: $i > $i ).

thf(tp_lam,type,
    lam: $i > $i ).

thf(tp_nf,type,
    nf: $i > $o ).

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

thf(tp_nothing,type,
    nothing: $i ).

thf(tp_proj1App,type,
    proj1App: $i > $i ).

thf(tp_proj1Arr,type,
    proj1Arr: $i > $i ).

thf(tp_proj1Just,type,
    proj1Just: $i > $i ).

thf(tp_proj1Lam,type,
    proj1Lam: $i > $i ).

thf(tp_proj1Suc,type,
    proj1Suc: $i > $i ).

thf(tp_proj1Var,type,
    proj1Var: $i > $i ).

thf(tp_proj2App,type,
    proj2App: $i > $i ).

thf(tp_proj2Arr,type,
    proj2Arr: $i > $i ).

thf(tp_proj3App,type,
    proj3App: $i > $i ).

thf(tp_suc,type,
    suc: $i > $i ).

thf(tp_tail,type,
    tail: $i > $i ).

thf(tp_tc,type,
    tc: $i > $i > $i > $o ).

thf(tp_var,type,
    var: $i > $i ).

thf(tp_zero,type,
    zero: $i ).

thf(1,axiom,
    ! [X: $i,Z: $i,X3: $i,Tx3: $i] :
      ( ( ( index @ X @ X3 )
        = ( just @ Tx3 ) )
     => ( ( tc @ X @ ( var @ X3 ) @ Z )
      <=> ( Tx3 = Z ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_035) ).

thf(2,axiom,
    ! [X: $i,Z: $i,X3: $i] :
      ( ( ( index @ X @ X3 )
        = nothing )
     => ~ ( tc @ X @ ( var @ X3 ) @ Z ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_034) ).

thf(3,axiom,
    ! [X: $i,E: $i,Tx2: $i,T1: $i] :
      ( ( tc @ X @ ( lam @ E ) @ ( arr @ Tx2 @ T1 ) )
    <=> ( tc @ ( cons @ Tx2 @ X ) @ E @ T1 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_033) ).

thf(4,axiom,
    ! [X: $i,Z: $i,E: $i] :
      ( ( Z
       != ( arr @ ( proj1Arr @ Z ) @ ( proj2Arr @ Z ) ) )
     => ~ ( tc @ X @ ( lam @ E ) @ Z ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_032) ).

thf(5,axiom,
    ! [X: $i,Z: $i,F: $i,X2: $i,Tx: $i] :
      ( ( tc @ X @ ( app @ F @ X2 @ Tx ) @ Z )
    <=> ( ( tc @ X @ F @ ( arr @ Tx @ Z ) )
        & ( tc @ X @ X2 @ Tx ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_031) ).

thf(6,axiom,
    ! [Z: $i,Xs: $i,N: $i] :
      ( ( index @ ( cons @ Z @ Xs ) @ ( suc @ N ) )
      = ( index @ Xs @ N ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_030) ).

thf(7,axiom,
    ! [Z: $i,Xs: $i] :
      ( ( index @ ( cons @ Z @ Xs ) @ zero )
      = ( just @ Z ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_029) ).

thf(8,axiom,
    ! [Y: $i] :
      ( ( index @ nil @ Y )
      = nothing ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_028) ).

thf(9,axiom,
    ! [X4: $i] : ( nf @ ( var @ X4 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_027) ).

thf(10,axiom,
    ! [E: $i] :
      ( ( nf @ ( lam @ E ) )
    <=> ( nf @ E ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_026) ).

thf(11,axiom,
    ! [Z: $i,X2: $i,X3: $i] :
      ~ ( nf @ ( app @ ( lam @ X3 ) @ Z @ X2 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_025) ).

thf(12,axiom,
    ! [Y: $i,Z: $i,X2: $i] :
      ( ( Y
       != ( lam @ ( proj1Lam @ Y ) ) )
     => ( ( nf @ ( app @ Y @ Z @ X2 ) )
      <=> ( ( nf @ Y )
          & ( nf @ Z ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_024) ).

thf(13,axiom,
    ! [X: $i,X2: $i] :
      ( ( lam @ X )
     != ( var @ X2 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_023) ).

thf(14,axiom,
    ! [X: $i,X2: $i,X3: $i,X4: $i] :
      ( ( app @ X @ X2 @ X3 )
     != ( var @ X4 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_022) ).

thf(15,axiom,
    ! [X: $i,X2: $i,X3: $i,X4: $i] :
      ( ( app @ X @ X2 @ X3 )
     != ( lam @ X4 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_021) ).

thf(16,axiom,
    ! [X: $i] :
      ( ( proj1Var @ ( var @ X ) )
      = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_020) ).

thf(17,axiom,
    ! [X: $i] :
      ( ( proj1Lam @ ( lam @ X ) )
      = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_019) ).

thf(18,axiom,
    ! [X: $i,X2: $i,X3: $i] :
      ( ( proj3App @ ( app @ X @ X2 @ X3 ) )
      = X3 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_018) ).

thf(19,axiom,
    ! [X: $i,X2: $i,X3: $i] :
      ( ( proj2App @ ( app @ X @ X2 @ X3 ) )
      = X2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_017) ).

thf(20,axiom,
    ! [X: $i,X2: $i,X3: $i] :
      ( ( proj1App @ ( app @ X @ X2 @ X3 ) )
      = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_016) ).

thf(21,axiom,
    ! [X: $i] :
      ( nothing
     != ( just @ X ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_015) ).

thf(22,axiom,
    ! [X: $i] :
      ( ( proj1Just @ ( just @ X ) )
      = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_014) ).

thf(23,axiom,
    ! [X: $i] :
      ( zero
     != ( suc @ X ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_013) ).

thf(24,axiom,
    ! [X: $i] :
      ( ( proj1Suc @ ( suc @ X ) )
      = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_012) ).

thf(25,axiom,
    b != c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_011) ).

thf(26,axiom,
    a != c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_010) ).

thf(27,axiom,
    a != b,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_009) ).

thf(28,axiom,
    ! [X: $i,X2: $i] :
      ( ( arr @ X @ X2 )
     != c ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_008) ).

thf(29,axiom,
    ! [X: $i,X2: $i] :
      ( ( arr @ X @ X2 )
     != b ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_007) ).

thf(30,axiom,
    ! [X: $i,X2: $i] :
      ( ( arr @ X @ X2 )
     != a ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_006) ).

thf(31,axiom,
    ! [X: $i,X2: $i] :
      ( ( proj2Arr @ ( arr @ X @ X2 ) )
      = X2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_005) ).

thf(32,axiom,
    ! [X: $i,X2: $i] :
      ( ( proj1Arr @ ( arr @ X @ X2 ) )
      = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_004) ).

thf(33,axiom,
    ! [X: $i,X2: $i] :
      ( nil
     != ( cons @ X @ X2 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_003) ).

thf(34,axiom,
    ! [X: $i,X2: $i] :
      ( ( tail @ ( cons @ X @ X2 ) )
      = X2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_002) ).

thf(35,axiom,
    ! [X: $i,X2: $i] :
      ( ( head @ ( cons @ X @ X2 ) )
      = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_001) ).

thf(36,conjecture,
    ? [E: $i] :
      ( ( nf @ E )
      & ( tc @ nil @ E @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goal_036) ).

thf(37,negated_conjecture,
    ( ( ? [E: $i] :
          ( ( nf @ E )
          & ( tc @ nil @ E @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[36]) ).

thf(38,plain,
    ( ( ? [E: $i] :
          ( ( nf @ E )
          & ( tc @ nil @ E @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(39,plain,
    ( ( ! [X: $i,Z: $i,X3: $i,Tx3: $i] :
          ( ( ( index @ X @ X3 )
            = ( just @ Tx3 ) )
         => ( ( tc @ X @ ( var @ X3 ) @ Z )
          <=> ( Tx3 = Z ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(40,plain,
    ( ( ! [X: $i,Z: $i,X3: $i] :
          ( ( ( index @ X @ X3 )
            = nothing )
         => ~ ( tc @ X @ ( var @ X3 ) @ Z ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(41,plain,
    ( ( ! [X: $i,E: $i,Tx2: $i,T1: $i] :
          ( ( tc @ X @ ( lam @ E ) @ ( arr @ Tx2 @ T1 ) )
        <=> ( tc @ ( cons @ Tx2 @ X ) @ E @ T1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(42,plain,
    ( ( ! [X: $i,Z: $i,E: $i] :
          ( ( Z
           != ( arr @ ( proj1Arr @ Z ) @ ( proj2Arr @ Z ) ) )
         => ~ ( tc @ X @ ( lam @ E ) @ Z ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(43,plain,
    ( ( ! [X: $i,Z: $i,F: $i,X2: $i,Tx: $i] :
          ( ( tc @ X @ ( app @ F @ X2 @ Tx ) @ Z )
        <=> ( ( tc @ X @ F @ ( arr @ Tx @ Z ) )
            & ( tc @ X @ X2 @ Tx ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(44,plain,
    ( ( ! [Z: $i,Xs: $i,N: $i] :
          ( ( index @ ( cons @ Z @ Xs ) @ ( suc @ N ) )
          = ( index @ Xs @ N ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(45,plain,
    ( ( ! [Z: $i,Xs: $i] :
          ( ( index @ ( cons @ Z @ Xs ) @ zero )
          = ( just @ Z ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(46,plain,
    ( ( ! [Y: $i] :
          ( ( index @ nil @ Y )
          = nothing ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(47,plain,
    ( ( ! [X4: $i] : ( nf @ ( var @ X4 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(48,plain,
    ( ( ! [E: $i] :
          ( ( nf @ ( lam @ E ) )
        <=> ( nf @ E ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(49,plain,
    ( ( ! [Z: $i,X2: $i,X3: $i] :
          ~ ( nf @ ( app @ ( lam @ X3 ) @ Z @ X2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(50,plain,
    ( ( ! [Y: $i,Z: $i,X2: $i] :
          ( ( Y
           != ( lam @ ( proj1Lam @ Y ) ) )
         => ( ( nf @ ( app @ Y @ Z @ X2 ) )
          <=> ( ( nf @ Y )
              & ( nf @ Z ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(51,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( lam @ X )
         != ( var @ X2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(52,plain,
    ( ( ! [X: $i,X2: $i,X3: $i,X4: $i] :
          ( ( app @ X @ X2 @ X3 )
         != ( var @ X4 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(53,plain,
    ( ( ! [X: $i,X2: $i,X3: $i,X4: $i] :
          ( ( app @ X @ X2 @ X3 )
         != ( lam @ X4 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(54,plain,
    ( ( ! [X: $i] :
          ( ( proj1Var @ ( var @ X ) )
          = X ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(55,plain,
    ( ( ! [X: $i] :
          ( ( proj1Lam @ ( lam @ X ) )
          = X ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(56,plain,
    ( ( ! [X: $i,X2: $i,X3: $i] :
          ( ( proj3App @ ( app @ X @ X2 @ X3 ) )
          = X3 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(57,plain,
    ( ( ! [X: $i,X2: $i,X3: $i] :
          ( ( proj2App @ ( app @ X @ X2 @ X3 ) )
          = X2 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(58,plain,
    ( ( ! [X: $i,X2: $i,X3: $i] :
          ( ( proj1App @ ( app @ X @ X2 @ X3 ) )
          = X ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(59,plain,
    ( ( ! [X: $i] :
          ( nothing
         != ( just @ X ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(60,plain,
    ( ( ! [X: $i] :
          ( ( proj1Just @ ( just @ X ) )
          = X ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(61,plain,
    ( ( ! [X: $i] :
          ( zero
         != ( suc @ X ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(62,plain,
    ( ( ! [X: $i] :
          ( ( proj1Suc @ ( suc @ X ) )
          = X ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(63,plain,
    ( ( b != c )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(64,plain,
    ( ( a != c )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(65,plain,
    ( ( a != b )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(66,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( arr @ X @ X2 )
         != c ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(67,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( arr @ X @ X2 )
         != b ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(68,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( arr @ X @ X2 )
         != a ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(69,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( proj2Arr @ ( arr @ X @ X2 ) )
          = X2 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(70,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( proj1Arr @ ( arr @ X @ X2 ) )
          = X ) )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(71,plain,
    ( ( ! [X: $i,X2: $i] :
          ( nil
         != ( cons @ X @ X2 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(72,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( tail @ ( cons @ X @ X2 ) )
          = X2 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(73,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( head @ ( cons @ X @ X2 ) )
          = X ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(74,plain,
    ( ( ~ ? [E: $i] :
            ( ( nf @ E )
            & ( tc @ nil @ E @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[38]) ).

thf(75,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( head @ ( cons @ X @ X2 ) )
          = X ) )
    = $true ),
    inference(copy,[status(thm)],[73]) ).

thf(76,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( tail @ ( cons @ X @ X2 ) )
          = X2 ) )
    = $true ),
    inference(copy,[status(thm)],[72]) ).

thf(77,plain,
    ( ( ! [X: $i,X2: $i] :
          ( nil
         != ( cons @ X @ X2 ) ) )
    = $true ),
    inference(copy,[status(thm)],[71]) ).

thf(78,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( proj1Arr @ ( arr @ X @ X2 ) )
          = X ) )
    = $true ),
    inference(copy,[status(thm)],[70]) ).

thf(79,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( proj2Arr @ ( arr @ X @ X2 ) )
          = X2 ) )
    = $true ),
    inference(copy,[status(thm)],[69]) ).

thf(80,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( arr @ X @ X2 )
         != a ) )
    = $true ),
    inference(copy,[status(thm)],[68]) ).

thf(81,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( arr @ X @ X2 )
         != b ) )
    = $true ),
    inference(copy,[status(thm)],[67]) ).

thf(82,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( arr @ X @ X2 )
         != c ) )
    = $true ),
    inference(copy,[status(thm)],[66]) ).

thf(83,plain,
    ( ( a != b )
    = $true ),
    inference(copy,[status(thm)],[65]) ).

thf(84,plain,
    ( ( a != c )
    = $true ),
    inference(copy,[status(thm)],[64]) ).

thf(85,plain,
    ( ( b != c )
    = $true ),
    inference(copy,[status(thm)],[63]) ).

thf(86,plain,
    ( ( ! [X: $i] :
          ( ( proj1Suc @ ( suc @ X ) )
          = X ) )
    = $true ),
    inference(copy,[status(thm)],[62]) ).

thf(87,plain,
    ( ( ! [X: $i] :
          ( zero
         != ( suc @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[61]) ).

thf(88,plain,
    ( ( ! [X: $i] :
          ( ( proj1Just @ ( just @ X ) )
          = X ) )
    = $true ),
    inference(copy,[status(thm)],[60]) ).

thf(89,plain,
    ( ( ! [X: $i] :
          ( nothing
         != ( just @ X ) ) )
    = $true ),
    inference(copy,[status(thm)],[59]) ).

thf(90,plain,
    ( ( ! [X: $i,X2: $i,X3: $i] :
          ( ( proj1App @ ( app @ X @ X2 @ X3 ) )
          = X ) )
    = $true ),
    inference(copy,[status(thm)],[58]) ).

thf(91,plain,
    ( ( ! [X: $i,X2: $i,X3: $i] :
          ( ( proj2App @ ( app @ X @ X2 @ X3 ) )
          = X2 ) )
    = $true ),
    inference(copy,[status(thm)],[57]) ).

thf(92,plain,
    ( ( ! [X: $i,X2: $i,X3: $i] :
          ( ( proj3App @ ( app @ X @ X2 @ X3 ) )
          = X3 ) )
    = $true ),
    inference(copy,[status(thm)],[56]) ).

thf(93,plain,
    ( ( ! [X: $i] :
          ( ( proj1Lam @ ( lam @ X ) )
          = X ) )
    = $true ),
    inference(copy,[status(thm)],[55]) ).

thf(94,plain,
    ( ( ! [X: $i] :
          ( ( proj1Var @ ( var @ X ) )
          = X ) )
    = $true ),
    inference(copy,[status(thm)],[54]) ).

thf(95,plain,
    ( ( ! [X: $i,X2: $i,X3: $i,X4: $i] :
          ( ( app @ X @ X2 @ X3 )
         != ( lam @ X4 ) ) )
    = $true ),
    inference(copy,[status(thm)],[53]) ).

thf(96,plain,
    ( ( ! [X: $i,X2: $i,X3: $i,X4: $i] :
          ( ( app @ X @ X2 @ X3 )
         != ( var @ X4 ) ) )
    = $true ),
    inference(copy,[status(thm)],[52]) ).

thf(97,plain,
    ( ( ! [X: $i,X2: $i] :
          ( ( lam @ X )
         != ( var @ X2 ) ) )
    = $true ),
    inference(copy,[status(thm)],[51]) ).

thf(98,plain,
    ( ( ! [Y: $i,Z: $i,X2: $i] :
          ( ( Y
           != ( lam @ ( proj1Lam @ Y ) ) )
         => ( ( nf @ ( app @ Y @ Z @ X2 ) )
          <=> ( ( nf @ Y )
              & ( nf @ Z ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[50]) ).

thf(99,plain,
    ( ( ! [Z: $i,X2: $i,X3: $i] :
          ~ ( nf @ ( app @ ( lam @ X3 ) @ Z @ X2 ) ) )
    = $true ),
    inference(copy,[status(thm)],[49]) ).

thf(100,plain,
    ( ( ! [E: $i] :
          ( ( nf @ ( lam @ E ) )
        <=> ( nf @ E ) ) )
    = $true ),
    inference(copy,[status(thm)],[48]) ).

thf(101,plain,
    ( ( ! [X4: $i] : ( nf @ ( var @ X4 ) ) )
    = $true ),
    inference(copy,[status(thm)],[47]) ).

thf(102,plain,
    ( ( ! [Y: $i] :
          ( ( index @ nil @ Y )
          = nothing ) )
    = $true ),
    inference(copy,[status(thm)],[46]) ).

thf(103,plain,
    ( ( ! [Z: $i,Xs: $i] :
          ( ( index @ ( cons @ Z @ Xs ) @ zero )
          = ( just @ Z ) ) )
    = $true ),
    inference(copy,[status(thm)],[45]) ).

thf(104,plain,
    ( ( ! [Z: $i,Xs: $i,N: $i] :
          ( ( index @ ( cons @ Z @ Xs ) @ ( suc @ N ) )
          = ( index @ Xs @ N ) ) )
    = $true ),
    inference(copy,[status(thm)],[44]) ).

thf(105,plain,
    ( ( ! [X: $i,Z: $i,F: $i,X2: $i,Tx: $i] :
          ( ( tc @ X @ ( app @ F @ X2 @ Tx ) @ Z )
        <=> ( ( tc @ X @ F @ ( arr @ Tx @ Z ) )
            & ( tc @ X @ X2 @ Tx ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[43]) ).

thf(106,plain,
    ( ( ! [X: $i,Z: $i,E: $i] :
          ( ( Z
           != ( arr @ ( proj1Arr @ Z ) @ ( proj2Arr @ Z ) ) )
         => ~ ( tc @ X @ ( lam @ E ) @ Z ) ) )
    = $true ),
    inference(copy,[status(thm)],[42]) ).

thf(107,plain,
    ( ( ! [X: $i,E: $i,Tx2: $i,T1: $i] :
          ( ( tc @ X @ ( lam @ E ) @ ( arr @ Tx2 @ T1 ) )
        <=> ( tc @ ( cons @ Tx2 @ X ) @ E @ T1 ) ) )
    = $true ),
    inference(copy,[status(thm)],[41]) ).

thf(108,plain,
    ( ( ! [X: $i,Z: $i,X3: $i] :
          ( ( ( index @ X @ X3 )
            = nothing )
         => ~ ( tc @ X @ ( var @ X3 ) @ Z ) ) )
    = $true ),
    inference(copy,[status(thm)],[40]) ).

thf(109,plain,
    ( ( ! [X: $i,Z: $i,X3: $i,Tx3: $i] :
          ( ( ( index @ X @ X3 )
            = ( just @ Tx3 ) )
         => ( ( tc @ X @ ( var @ X3 ) @ Z )
          <=> ( Tx3 = Z ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[39]) ).

thf(110,plain,
    ( ( ~ ? [E: $i] :
            ( ( nf @ E )
            & ( tc @ nil @ E @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[74]) ).

thf(111,plain,
    ( ( a != b )
    = $true ),
    inference(unfold_def,[status(thm)],[83]) ).

thf(112,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i,SX3: $i] :
          ( ( app @ SX0 @ SX1 @ SX2 )
         != ( lam @ SX3 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[95]) ).

thf(113,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( lam @ SX0 )
         != ( var @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[97]) ).

thf(114,plain,
    ( ( a != c )
    = $true ),
    inference(unfold_def,[status(thm)],[84]) ).

thf(115,plain,
    ( ( ! [SX0: $i] :
          ( zero
         != ( suc @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[87]) ).

thf(116,plain,
    ( ( ~ ~ ! [SX0: $i] :
              ~ ~ ( ~ ( nf @ SX0 )
                  | ~ ( tc @ nil @ SX0 @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[110]) ).

thf(117,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i,SX3: $i] :
          ~ ( ~ ( ~ ( tc @ SX0 @ ( lam @ SX1 ) @ ( arr @ SX2 @ SX3 ) )
                | ( tc @ ( cons @ SX2 @ SX0 ) @ SX1 @ SX3 ) )
            | ~ ( ~ ( tc @ ( cons @ SX2 @ SX0 ) @ SX1 @ SX3 )
                | ( tc @ SX0 @ ( lam @ SX1 ) @ ( arr @ SX2 @ SX3 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[107]) ).

thf(118,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i,SX3: $i,SX4: $i] :
          ~ ( ~ ( ~ ( tc @ SX0 @ ( app @ SX2 @ SX3 @ SX4 ) @ SX1 )
                | ~ ( ~ ( tc @ SX0 @ SX2 @ ( arr @ SX4 @ SX1 ) )
                    | ~ ( tc @ SX0 @ SX3 @ SX4 ) ) )
            | ~ ( ~ ~ ( ~ ( tc @ SX0 @ SX2 @ ( arr @ SX4 @ SX1 ) )
                      | ~ ( tc @ SX0 @ SX3 @ SX4 ) )
                | ( tc @ SX0 @ ( app @ SX2 @ SX3 @ SX4 ) @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[105]) ).

thf(119,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( ( SX0
               != ( lam @ ( proj1Lam @ SX0 ) ) ) )
          | ~ ( ~ ( ~ ( nf @ ( app @ SX0 @ SX1 @ SX2 ) )
                  | ~ ( ~ ( nf @ SX0 )
                      | ~ ( nf @ SX1 ) ) )
              | ~ ( ~ ~ ( ~ ( nf @ SX0 )
                        | ~ ( nf @ SX1 ) )
                  | ( nf @ ( app @ SX0 @ SX1 @ SX2 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[98]) ).

thf(120,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ( ~ ( nf @ ( lam @ SX0 ) )
                | ( nf @ SX0 ) )
            | ~ ( ~ ( nf @ SX0 )
                | ( nf @ ( lam @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[100]) ).

thf(121,plain,
    ( ( b != c )
    = $true ),
    inference(unfold_def,[status(thm)],[85]) ).

thf(122,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i,SX3: $i] :
          ( ( ( index @ SX0 @ SX2 )
           != ( just @ SX3 ) )
          | ~ ( ~ ( ~ ( tc @ SX0 @ ( var @ SX2 ) @ SX1 )
                  | ( SX3 = SX1 ) )
              | ~ ( ( SX3 != SX1 )
                  | ( tc @ SX0 @ ( var @ SX2 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[109]) ).

thf(123,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( nil
         != ( cons @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[77]) ).

thf(124,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( arr @ SX0 @ SX1 )
         != b ) )
    = $true ),
    inference(unfold_def,[status(thm)],[81]) ).

thf(125,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i,SX3: $i] :
          ( ( app @ SX0 @ SX1 @ SX2 )
         != ( var @ SX3 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[96]) ).

thf(126,plain,
    ( ( ! [SX0: $i] :
          ( nothing
         != ( just @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[89]) ).

thf(127,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( arr @ SX0 @ SX1 )
         != c ) )
    = $true ),
    inference(unfold_def,[status(thm)],[82]) ).

thf(128,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ~ ( ( SX1
               != ( arr @ ( proj1Arr @ SX1 ) @ ( proj2Arr @ SX1 ) ) ) )
          | ~ ( tc @ SX0 @ ( lam @ SX2 ) @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[106]) ).

thf(129,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ( ( ( index @ SX0 @ SX2 )
           != nothing )
          | ~ ( tc @ SX0 @ ( var @ SX2 ) @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[108]) ).

thf(130,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( arr @ SX0 @ SX1 )
         != a ) )
    = $true ),
    inference(unfold_def,[status(thm)],[80]) ).

thf(131,plain,
    ! [SV1: $i] :
      ( ( ! [SY75: $i] :
            ( ( head @ ( cons @ SV1 @ SY75 ) )
            = SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[75]) ).

thf(132,plain,
    ! [SV2: $i] :
      ( ( ! [SY76: $i] :
            ( ( tail @ ( cons @ SV2 @ SY76 ) )
            = SY76 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[76]) ).

thf(133,plain,
    ! [SV3: $i] :
      ( ( ! [SY77: $i] :
            ( ( proj1Arr @ ( arr @ SV3 @ SY77 ) )
            = SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[78]) ).

thf(134,plain,
    ! [SV4: $i] :
      ( ( ! [SY78: $i] :
            ( ( proj2Arr @ ( arr @ SV4 @ SY78 ) )
            = SY78 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[79]) ).

thf(135,plain,
    ! [SV5: $i] :
      ( ( ( proj1Suc @ ( suc @ SV5 ) )
        = SV5 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[86]) ).

thf(136,plain,
    ! [SV6: $i] :
      ( ( ( proj1Just @ ( just @ SV6 ) )
        = SV6 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[88]) ).

thf(137,plain,
    ! [SV7: $i] :
      ( ( ! [SY79: $i,SY80: $i] :
            ( ( proj1App @ ( app @ SV7 @ SY79 @ SY80 ) )
            = SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[90]) ).

thf(138,plain,
    ! [SV8: $i] :
      ( ( ! [SY81: $i,SY82: $i] :
            ( ( proj2App @ ( app @ SV8 @ SY81 @ SY82 ) )
            = SY81 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[91]) ).

thf(139,plain,
    ! [SV9: $i] :
      ( ( ! [SY83: $i,SY84: $i] :
            ( ( proj3App @ ( app @ SV9 @ SY83 @ SY84 ) )
            = SY84 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[92]) ).

thf(140,plain,
    ! [SV10: $i] :
      ( ( ( proj1Lam @ ( lam @ SV10 ) )
        = SV10 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[93]) ).

thf(141,plain,
    ! [SV11: $i] :
      ( ( ( proj1Var @ ( var @ SV11 ) )
        = SV11 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[94]) ).

thf(142,plain,
    ! [SV12: $i] :
      ( ( ! [SY85: $i,SY86: $i] :
            ~ ( nf @ ( app @ ( lam @ SY86 ) @ SV12 @ SY85 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[99]) ).

thf(143,plain,
    ! [SV13: $i] :
      ( ( nf @ ( var @ SV13 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[101]) ).

thf(144,plain,
    ! [SV14: $i] :
      ( ( ( index @ nil @ SV14 )
        = nothing )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[102]) ).

thf(145,plain,
    ! [SV15: $i] :
      ( ( ! [SY87: $i] :
            ( ( index @ ( cons @ SV15 @ SY87 ) @ zero )
            = ( just @ SV15 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[103]) ).

thf(146,plain,
    ! [SV16: $i] :
      ( ( ! [SY88: $i,SY89: $i] :
            ( ( index @ ( cons @ SV16 @ SY88 ) @ ( suc @ SY89 ) )
            = ( index @ SY88 @ SY89 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[104]) ).

thf(147,plain,
    ( ( a = b )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[111]) ).

thf(148,plain,
    ! [SV17: $i] :
      ( ( ! [SY90: $i,SY91: $i,SY92: $i] :
            ( ( app @ SV17 @ SY90 @ SY91 )
           != ( lam @ SY92 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[112]) ).

thf(149,plain,
    ! [SV18: $i] :
      ( ( ! [SY93: $i] :
            ( ( lam @ SV18 )
           != ( var @ SY93 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[113]) ).

thf(150,plain,
    ( ( a = c )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[114]) ).

thf(151,plain,
    ! [SV19: $i] :
      ( ( zero
       != ( suc @ SV19 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[115]) ).

thf(152,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ~ ( ~ ( nf @ SX0 )
                | ~ ( tc @ nil @ SX0 @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[116]) ).

thf(153,plain,
    ! [SV20: $i] :
      ( ( ! [SY94: $i,SY95: $i,SY96: $i] :
            ~ ( ~ ( ~ ( tc @ SV20 @ ( lam @ SY94 ) @ ( arr @ SY95 @ SY96 ) )
                  | ( tc @ ( cons @ SY95 @ SV20 ) @ SY94 @ SY96 ) )
              | ~ ( ~ ( tc @ ( cons @ SY95 @ SV20 ) @ SY94 @ SY96 )
                  | ( tc @ SV20 @ ( lam @ SY94 ) @ ( arr @ SY95 @ SY96 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[117]) ).

thf(154,plain,
    ! [SV21: $i] :
      ( ( ! [SY97: $i,SY98: $i,SY99: $i,SY100: $i] :
            ~ ( ~ ( ~ ( tc @ SV21 @ ( app @ SY98 @ SY99 @ SY100 ) @ SY97 )
                  | ~ ( ~ ( tc @ SV21 @ SY98 @ ( arr @ SY100 @ SY97 ) )
                      | ~ ( tc @ SV21 @ SY99 @ SY100 ) ) )
              | ~ ( ~ ~ ( ~ ( tc @ SV21 @ SY98 @ ( arr @ SY100 @ SY97 ) )
                        | ~ ( tc @ SV21 @ SY99 @ SY100 ) )
                  | ( tc @ SV21 @ ( app @ SY98 @ SY99 @ SY100 ) @ SY97 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[118]) ).

thf(155,plain,
    ! [SV22: $i] :
      ( ( ! [SY101: $i,SY102: $i] :
            ( ~ ( ( SV22
                 != ( lam @ ( proj1Lam @ SV22 ) ) ) )
            | ~ ( ~ ( ~ ( nf @ ( app @ SV22 @ SY101 @ SY102 ) )
                    | ~ ( ~ ( nf @ SV22 )
                        | ~ ( nf @ SY101 ) ) )
                | ~ ( ~ ~ ( ~ ( nf @ SV22 )
                          | ~ ( nf @ SY101 ) )
                    | ( nf @ ( app @ SV22 @ SY101 @ SY102 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[119]) ).

thf(156,plain,
    ! [SV23: $i] :
      ( ( ~ ( ~ ( ~ ( nf @ ( lam @ SV23 ) )
                | ( nf @ SV23 ) )
            | ~ ( ~ ( nf @ SV23 )
                | ( nf @ ( lam @ SV23 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[120]) ).

thf(157,plain,
    ( ( b = c )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[121]) ).

thf(158,plain,
    ! [SV24: $i] :
      ( ( ! [SY103: $i,SY104: $i,SY105: $i] :
            ( ( ( index @ SV24 @ SY104 )
             != ( just @ SY105 ) )
            | ~ ( ~ ( ~ ( tc @ SV24 @ ( var @ SY104 ) @ SY103 )
                    | ( SY105 = SY103 ) )
                | ~ ( ( SY105 != SY103 )
                    | ( tc @ SV24 @ ( var @ SY104 ) @ SY103 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[122]) ).

thf(159,plain,
    ! [SV25: $i] :
      ( ( ! [SY106: $i] :
            ( nil
           != ( cons @ SV25 @ SY106 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[123]) ).

thf(160,plain,
    ! [SV26: $i] :
      ( ( ! [SY107: $i] :
            ( ( arr @ SV26 @ SY107 )
           != b ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[124]) ).

thf(161,plain,
    ! [SV27: $i] :
      ( ( ! [SY108: $i,SY109: $i,SY110: $i] :
            ( ( app @ SV27 @ SY108 @ SY109 )
           != ( var @ SY110 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[125]) ).

thf(162,plain,
    ! [SV28: $i] :
      ( ( nothing
       != ( just @ SV28 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[126]) ).

thf(163,plain,
    ! [SV29: $i] :
      ( ( ! [SY111: $i] :
            ( ( arr @ SV29 @ SY111 )
           != c ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[127]) ).

thf(164,plain,
    ! [SV30: $i] :
      ( ( ! [SY112: $i,SY113: $i] :
            ( ~ ( ( SY112
                 != ( arr @ ( proj1Arr @ SY112 ) @ ( proj2Arr @ SY112 ) ) ) )
            | ~ ( tc @ SV30 @ ( lam @ SY113 ) @ SY112 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[128]) ).

thf(165,plain,
    ! [SV31: $i] :
      ( ( ! [SY114: $i,SY115: $i] :
            ( ( ( index @ SV31 @ SY115 )
             != nothing )
            | ~ ( tc @ SV31 @ ( var @ SY115 ) @ SY114 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[129]) ).

thf(166,plain,
    ! [SV32: $i] :
      ( ( ! [SY116: $i] :
            ( ( arr @ SV32 @ SY116 )
           != a ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[130]) ).

thf(167,plain,
    ! [SV33: $i,SV1: $i] :
      ( ( ( head @ ( cons @ SV1 @ SV33 ) )
        = SV1 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[131]) ).

thf(168,plain,
    ! [SV34: $i,SV2: $i] :
      ( ( ( tail @ ( cons @ SV2 @ SV34 ) )
        = SV34 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[132]) ).

thf(169,plain,
    ! [SV35: $i,SV3: $i] :
      ( ( ( proj1Arr @ ( arr @ SV3 @ SV35 ) )
        = SV3 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[133]) ).

thf(170,plain,
    ! [SV36: $i,SV4: $i] :
      ( ( ( proj2Arr @ ( arr @ SV4 @ SV36 ) )
        = SV36 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[134]) ).

thf(171,plain,
    ! [SV37: $i,SV7: $i] :
      ( ( ! [SY117: $i] :
            ( ( proj1App @ ( app @ SV7 @ SV37 @ SY117 ) )
            = SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[137]) ).

thf(172,plain,
    ! [SV38: $i,SV8: $i] :
      ( ( ! [SY118: $i] :
            ( ( proj2App @ ( app @ SV8 @ SV38 @ SY118 ) )
            = SV38 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[138]) ).

thf(173,plain,
    ! [SV39: $i,SV9: $i] :
      ( ( ! [SY119: $i] :
            ( ( proj3App @ ( app @ SV9 @ SV39 @ SY119 ) )
            = SY119 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[139]) ).

thf(174,plain,
    ! [SV40: $i,SV12: $i] :
      ( ( ! [SY120: $i] :
            ~ ( nf @ ( app @ ( lam @ SY120 ) @ SV12 @ SV40 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[142]) ).

thf(175,plain,
    ! [SV41: $i,SV15: $i] :
      ( ( ( index @ ( cons @ SV15 @ SV41 ) @ zero )
        = ( just @ SV15 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[145]) ).

thf(176,plain,
    ! [SV42: $i,SV16: $i] :
      ( ( ! [SY121: $i] :
            ( ( index @ ( cons @ SV16 @ SV42 ) @ ( suc @ SY121 ) )
            = ( index @ SV42 @ SY121 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[146]) ).

thf(177,plain,
    ! [SV43: $i,SV17: $i] :
      ( ( ! [SY122: $i,SY123: $i] :
            ( ( app @ SV17 @ SV43 @ SY122 )
           != ( lam @ SY123 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[148]) ).

thf(178,plain,
    ! [SV44: $i,SV18: $i] :
      ( ( ( lam @ SV18 )
       != ( var @ SV44 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[149]) ).

thf(179,plain,
    ! [SV19: $i] :
      ( ( zero
        = ( suc @ SV19 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[151]) ).

thf(180,plain,
    ( ( ! [SX0: $i] :
          ~ ~ ( ~ ( nf @ SX0 )
              | ~ ( tc @ nil @ SX0 @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[152]) ).

thf(181,plain,
    ! [SV45: $i,SV20: $i] :
      ( ( ! [SY124: $i,SY125: $i] :
            ~ ( ~ ( ~ ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SY124 @ SY125 ) )
                  | ( tc @ ( cons @ SY124 @ SV20 ) @ SV45 @ SY125 ) )
              | ~ ( ~ ( tc @ ( cons @ SY124 @ SV20 ) @ SV45 @ SY125 )
                  | ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SY124 @ SY125 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[153]) ).

thf(182,plain,
    ! [SV46: $i,SV21: $i] :
      ( ( ! [SY126: $i,SY127: $i,SY128: $i] :
            ~ ( ~ ( ~ ( tc @ SV21 @ ( app @ SY126 @ SY127 @ SY128 ) @ SV46 )
                  | ~ ( ~ ( tc @ SV21 @ SY126 @ ( arr @ SY128 @ SV46 ) )
                      | ~ ( tc @ SV21 @ SY127 @ SY128 ) ) )
              | ~ ( ~ ~ ( ~ ( tc @ SV21 @ SY126 @ ( arr @ SY128 @ SV46 ) )
                        | ~ ( tc @ SV21 @ SY127 @ SY128 ) )
                  | ( tc @ SV21 @ ( app @ SY126 @ SY127 @ SY128 ) @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[154]) ).

thf(183,plain,
    ! [SV47: $i,SV22: $i] :
      ( ( ! [SY129: $i] :
            ( ~ ( ( SV22
                 != ( lam @ ( proj1Lam @ SV22 ) ) ) )
            | ~ ( ~ ( ~ ( nf @ ( app @ SV22 @ SV47 @ SY129 ) )
                    | ~ ( ~ ( nf @ SV22 )
                        | ~ ( nf @ SV47 ) ) )
                | ~ ( ~ ~ ( ~ ( nf @ SV22 )
                          | ~ ( nf @ SV47 ) )
                    | ( nf @ ( app @ SV22 @ SV47 @ SY129 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[155]) ).

thf(184,plain,
    ! [SV23: $i] :
      ( ( ~ ( ~ ( nf @ ( lam @ SV23 ) )
            | ( nf @ SV23 ) )
        | ~ ( ~ ( nf @ SV23 )
            | ( nf @ ( lam @ SV23 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[156]) ).

thf(185,plain,
    ! [SV48: $i,SV24: $i] :
      ( ( ! [SY130: $i,SY131: $i] :
            ( ( ( index @ SV24 @ SY130 )
             != ( just @ SY131 ) )
            | ~ ( ~ ( ~ ( tc @ SV24 @ ( var @ SY130 ) @ SV48 )
                    | ( SY131 = SV48 ) )
                | ~ ( ( SY131 != SV48 )
                    | ( tc @ SV24 @ ( var @ SY130 ) @ SV48 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[158]) ).

thf(186,plain,
    ! [SV49: $i,SV25: $i] :
      ( ( nil
       != ( cons @ SV25 @ SV49 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[159]) ).

thf(187,plain,
    ! [SV50: $i,SV26: $i] :
      ( ( ( arr @ SV26 @ SV50 )
       != b )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[160]) ).

thf(188,plain,
    ! [SV51: $i,SV27: $i] :
      ( ( ! [SY132: $i,SY133: $i] :
            ( ( app @ SV27 @ SV51 @ SY132 )
           != ( var @ SY133 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[161]) ).

thf(189,plain,
    ! [SV28: $i] :
      ( ( nothing
        = ( just @ SV28 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[162]) ).

thf(190,plain,
    ! [SV52: $i,SV29: $i] :
      ( ( ( arr @ SV29 @ SV52 )
       != c )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[163]) ).

thf(191,plain,
    ! [SV30: $i,SV53: $i] :
      ( ( ! [SY134: $i] :
            ( ~ ( ( SV53
                 != ( arr @ ( proj1Arr @ SV53 ) @ ( proj2Arr @ SV53 ) ) ) )
            | ~ ( tc @ SV30 @ ( lam @ SY134 ) @ SV53 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[164]) ).

thf(192,plain,
    ! [SV54: $i,SV31: $i] :
      ( ( ! [SY135: $i] :
            ( ( ( index @ SV31 @ SY135 )
             != nothing )
            | ~ ( tc @ SV31 @ ( var @ SY135 ) @ SV54 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[165]) ).

thf(193,plain,
    ! [SV55: $i,SV32: $i] :
      ( ( ( arr @ SV32 @ SV55 )
       != a )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[166]) ).

thf(194,plain,
    ! [SV56: $i,SV37: $i,SV7: $i] :
      ( ( ( proj1App @ ( app @ SV7 @ SV37 @ SV56 ) )
        = SV7 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[171]) ).

thf(195,plain,
    ! [SV57: $i,SV38: $i,SV8: $i] :
      ( ( ( proj2App @ ( app @ SV8 @ SV38 @ SV57 ) )
        = SV38 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[172]) ).

thf(196,plain,
    ! [SV58: $i,SV39: $i,SV9: $i] :
      ( ( ( proj3App @ ( app @ SV9 @ SV39 @ SV58 ) )
        = SV58 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[173]) ).

thf(197,plain,
    ! [SV40: $i,SV12: $i,SV59: $i] :
      ( ( ~ ( nf @ ( app @ ( lam @ SV59 ) @ SV12 @ SV40 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[174]) ).

thf(198,plain,
    ! [SV60: $i,SV42: $i,SV16: $i] :
      ( ( ( index @ ( cons @ SV16 @ SV42 ) @ ( suc @ SV60 ) )
        = ( index @ SV42 @ SV60 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[176]) ).

thf(199,plain,
    ! [SV61: $i,SV43: $i,SV17: $i] :
      ( ( ! [SY136: $i] :
            ( ( app @ SV17 @ SV43 @ SV61 )
           != ( lam @ SY136 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[177]) ).

thf(200,plain,
    ! [SV44: $i,SV18: $i] :
      ( ( ( lam @ SV18 )
        = ( var @ SV44 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[178]) ).

thf(201,plain,
    ! [SV62: $i] :
      ( ( ~ ~ ( ~ ( nf @ SV62 )
              | ~ ( tc @ nil @ SV62 @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[180]) ).

thf(202,plain,
    ! [SV63: $i,SV45: $i,SV20: $i] :
      ( ( ! [SY137: $i] :
            ~ ( ~ ( ~ ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SY137 ) )
                  | ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SY137 ) )
              | ~ ( ~ ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SY137 )
                  | ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SY137 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[181]) ).

thf(203,plain,
    ! [SV46: $i,SV64: $i,SV21: $i] :
      ( ( ! [SY138: $i,SY139: $i] :
            ~ ( ~ ( ~ ( tc @ SV21 @ ( app @ SV64 @ SY138 @ SY139 ) @ SV46 )
                  | ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SY139 @ SV46 ) )
                      | ~ ( tc @ SV21 @ SY138 @ SY139 ) ) )
              | ~ ( ~ ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SY139 @ SV46 ) )
                        | ~ ( tc @ SV21 @ SY138 @ SY139 ) )
                  | ( tc @ SV21 @ ( app @ SV64 @ SY138 @ SY139 ) @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[182]) ).

thf(204,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ~ ( ( SV22
             != ( lam @ ( proj1Lam @ SV22 ) ) ) )
        | ~ ( ~ ( ~ ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
                | ~ ( ~ ( nf @ SV22 )
                    | ~ ( nf @ SV47 ) ) )
            | ~ ( ~ ~ ( ~ ( nf @ SV22 )
                      | ~ ( nf @ SV47 ) )
                | ( nf @ ( app @ SV22 @ SV47 @ SV65 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[183]) ).

thf(205,plain,
    ! [SV23: $i] :
      ( ( ~ ( ~ ( nf @ ( lam @ SV23 ) )
            | ( nf @ SV23 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[184]) ).

thf(206,plain,
    ! [SV23: $i] :
      ( ( ~ ( ~ ( nf @ SV23 )
            | ( nf @ ( lam @ SV23 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[184]) ).

thf(207,plain,
    ! [SV48: $i,SV66: $i,SV24: $i] :
      ( ( ! [SY140: $i] :
            ( ( ( index @ SV24 @ SV66 )
             != ( just @ SY140 ) )
            | ~ ( ~ ( ~ ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
                    | ( SY140 = SV48 ) )
                | ~ ( ( SY140 != SV48 )
                    | ( tc @ SV24 @ ( var @ SV66 ) @ SV48 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[185]) ).

thf(208,plain,
    ! [SV49: $i,SV25: $i] :
      ( ( nil
        = ( cons @ SV25 @ SV49 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[186]) ).

thf(209,plain,
    ! [SV50: $i,SV26: $i] :
      ( ( ( arr @ SV26 @ SV50 )
        = b )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[187]) ).

thf(210,plain,
    ! [SV67: $i,SV51: $i,SV27: $i] :
      ( ( ! [SY141: $i] :
            ( ( app @ SV27 @ SV51 @ SV67 )
           != ( var @ SY141 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[188]) ).

thf(211,plain,
    ! [SV52: $i,SV29: $i] :
      ( ( ( arr @ SV29 @ SV52 )
        = c )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[190]) ).

thf(212,plain,
    ! [SV68: $i,SV30: $i,SV53: $i] :
      ( ( ~ ( ( SV53
             != ( arr @ ( proj1Arr @ SV53 ) @ ( proj2Arr @ SV53 ) ) ) )
        | ~ ( tc @ SV30 @ ( lam @ SV68 ) @ SV53 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[191]) ).

thf(213,plain,
    ! [SV54: $i,SV69: $i,SV31: $i] :
      ( ( ( ( index @ SV31 @ SV69 )
         != nothing )
        | ~ ( tc @ SV31 @ ( var @ SV69 ) @ SV54 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[192]) ).

thf(214,plain,
    ! [SV55: $i,SV32: $i] :
      ( ( ( arr @ SV32 @ SV55 )
        = a )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[193]) ).

thf(215,plain,
    ! [SV40: $i,SV12: $i,SV59: $i] :
      ( ( nf @ ( app @ ( lam @ SV59 ) @ SV12 @ SV40 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[197]) ).

thf(216,plain,
    ! [SV70: $i,SV61: $i,SV43: $i,SV17: $i] :
      ( ( ( app @ SV17 @ SV43 @ SV61 )
       != ( lam @ SV70 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[199]) ).

thf(217,plain,
    ! [SV62: $i] :
      ( ( ~ ( ~ ( nf @ SV62 )
            | ~ ( tc @ nil @ SV62 @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[201]) ).

thf(218,plain,
    ! [SV71: $i,SV63: $i,SV45: $i,SV20: $i] :
      ( ( ~ ( ~ ( ~ ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) )
                | ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 ) )
            | ~ ( ~ ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 )
                | ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[202]) ).

thf(219,plain,
    ! [SV46: $i,SV72: $i,SV64: $i,SV21: $i] :
      ( ( ! [SY142: $i] :
            ~ ( ~ ( ~ ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SY142 ) @ SV46 )
                  | ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SY142 @ SV46 ) )
                      | ~ ( tc @ SV21 @ SV72 @ SY142 ) ) )
              | ~ ( ~ ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SY142 @ SV46 ) )
                        | ~ ( tc @ SV21 @ SV72 @ SY142 ) )
                  | ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SY142 ) @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[203]) ).

thf(220,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( ( SV22
               != ( lam @ ( proj1Lam @ SV22 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
                  | ~ ( ~ ( nf @ SV22 )
                      | ~ ( nf @ SV47 ) ) )
              | ~ ( ~ ~ ( ~ ( nf @ SV22 )
                        | ~ ( nf @ SV47 ) )
                  | ( nf @ ( app @ SV22 @ SV47 @ SV65 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[204]) ).

thf(221,plain,
    ! [SV23: $i] :
      ( ( ~ ( nf @ ( lam @ SV23 ) )
        | ( nf @ SV23 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[205]) ).

thf(222,plain,
    ! [SV23: $i] :
      ( ( ~ ( nf @ SV23 )
        | ( nf @ ( lam @ SV23 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[206]) ).

thf(223,plain,
    ! [SV48: $i,SV73: $i,SV66: $i,SV24: $i] :
      ( ( ( ( index @ SV24 @ SV66 )
         != ( just @ SV73 ) )
        | ~ ( ~ ( ~ ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
                | ( SV73 = SV48 ) )
            | ~ ( ( SV73 != SV48 )
                | ( tc @ SV24 @ ( var @ SV66 ) @ SV48 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[207]) ).

thf(224,plain,
    ! [SV74: $i,SV67: $i,SV51: $i,SV27: $i] :
      ( ( ( app @ SV27 @ SV51 @ SV67 )
       != ( var @ SV74 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[210]) ).

thf(225,plain,
    ! [SV68: $i,SV30: $i,SV53: $i] :
      ( ( ( ~ ( ( SV53
               != ( arr @ ( proj1Arr @ SV53 ) @ ( proj2Arr @ SV53 ) ) ) ) )
        = $true )
      | ( ( ~ ( tc @ SV30 @ ( lam @ SV68 ) @ SV53 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[212]) ).

thf(226,plain,
    ! [SV54: $i,SV69: $i,SV31: $i] :
      ( ( ( ( index @ SV31 @ SV69 )
         != nothing )
        = $true )
      | ( ( ~ ( tc @ SV31 @ ( var @ SV69 ) @ SV54 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[213]) ).

thf(227,plain,
    ! [SV70: $i,SV61: $i,SV43: $i,SV17: $i] :
      ( ( ( app @ SV17 @ SV43 @ SV61 )
        = ( lam @ SV70 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[216]) ).

thf(228,plain,
    ! [SV62: $i] :
      ( ( ~ ( nf @ SV62 )
        | ~ ( tc @ nil @ SV62 @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[217]) ).

thf(229,plain,
    ! [SV71: $i,SV63: $i,SV45: $i,SV20: $i] :
      ( ( ~ ( ~ ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) )
            | ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 ) )
        | ~ ( ~ ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 )
            | ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[218]) ).

thf(230,plain,
    ! [SV46: $i,SV75: $i,SV72: $i,SV64: $i,SV21: $i] :
      ( ( ~ ( ~ ( ~ ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
                | ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
                    | ~ ( tc @ SV21 @ SV72 @ SV75 ) ) )
            | ~ ( ~ ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
                      | ~ ( tc @ SV21 @ SV72 @ SV75 ) )
                | ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[219]) ).

thf(231,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( SV22
         != ( lam @ ( proj1Lam @ SV22 ) ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
                  | ~ ( ~ ( nf @ SV22 )
                      | ~ ( nf @ SV47 ) ) )
              | ~ ( ~ ~ ( ~ ( nf @ SV22 )
                        | ~ ( nf @ SV47 ) )
                  | ( nf @ ( app @ SV22 @ SV47 @ SV65 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[220]) ).

thf(232,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( nf @ ( lam @ SV23 ) ) )
        = $true )
      | ( ( nf @ SV23 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[221]) ).

thf(233,plain,
    ! [SV23: $i] :
      ( ( ( ~ ( nf @ SV23 ) )
        = $true )
      | ( ( nf @ ( lam @ SV23 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[222]) ).

thf(234,plain,
    ! [SV48: $i,SV73: $i,SV66: $i,SV24: $i] :
      ( ( ( ( index @ SV24 @ SV66 )
         != ( just @ SV73 ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
                  | ( SV73 = SV48 ) )
              | ~ ( ( SV73 != SV48 )
                  | ( tc @ SV24 @ ( var @ SV66 ) @ SV48 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[223]) ).

thf(235,plain,
    ! [SV74: $i,SV67: $i,SV51: $i,SV27: $i] :
      ( ( ( app @ SV27 @ SV51 @ SV67 )
        = ( var @ SV74 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[224]) ).

thf(236,plain,
    ! [SV68: $i,SV30: $i,SV53: $i] :
      ( ( ( SV53
         != ( arr @ ( proj1Arr @ SV53 ) @ ( proj2Arr @ SV53 ) ) )
        = $false )
      | ( ( ~ ( tc @ SV30 @ ( lam @ SV68 ) @ SV53 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[225]) ).

thf(237,plain,
    ! [SV54: $i,SV69: $i,SV31: $i] :
      ( ( ( ( index @ SV31 @ SV69 )
          = nothing )
        = $false )
      | ( ( ~ ( tc @ SV31 @ ( var @ SV69 ) @ SV54 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[226]) ).

thf(238,plain,
    ! [SV62: $i] :
      ( ( ( ~ ( nf @ SV62 ) )
        = $true )
      | ( ( ~ ( tc @ nil @ SV62 @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[228]) ).

thf(239,plain,
    ! [SV71: $i,SV63: $i,SV45: $i,SV20: $i] :
      ( ( ~ ( ~ ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) )
            | ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[229]) ).

thf(240,plain,
    ! [SV71: $i,SV45: $i,SV20: $i,SV63: $i] :
      ( ( ~ ( ~ ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 )
            | ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[229]) ).

thf(241,plain,
    ! [SV46: $i,SV75: $i,SV72: $i,SV64: $i,SV21: $i] :
      ( ( ~ ( ~ ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
            | ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
                | ~ ( tc @ SV21 @ SV72 @ SV75 ) ) )
        | ~ ( ~ ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
                  | ~ ( tc @ SV21 @ SV72 @ SV75 ) )
            | ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[230]) ).

thf(242,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true )
      | ( ( ~ ( ~ ( ~ ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
                  | ~ ( ~ ( nf @ SV22 )
                      | ~ ( nf @ SV47 ) ) )
              | ~ ( ~ ~ ( ~ ( nf @ SV22 )
                        | ~ ( nf @ SV47 ) )
                  | ( nf @ ( app @ SV22 @ SV47 @ SV65 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[231]) ).

thf(243,plain,
    ! [SV23: $i] :
      ( ( ( nf @ ( lam @ SV23 ) )
        = $false )
      | ( ( nf @ SV23 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[232]) ).

thf(244,plain,
    ! [SV23: $i] :
      ( ( ( nf @ SV23 )
        = $false )
      | ( ( nf @ ( lam @ SV23 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[233]) ).

thf(245,plain,
    ! [SV48: $i,SV73: $i,SV66: $i,SV24: $i] :
      ( ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false )
      | ( ( ~ ( ~ ( ~ ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
                  | ( SV73 = SV48 ) )
              | ~ ( ( SV73 != SV48 )
                  | ( tc @ SV24 @ ( var @ SV66 ) @ SV48 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[234]) ).

thf(246,plain,
    ! [SV68: $i,SV30: $i,SV53: $i] :
      ( ( ( SV53
          = ( arr @ ( proj1Arr @ SV53 ) @ ( proj2Arr @ SV53 ) ) )
        = $true )
      | ( ( ~ ( tc @ SV30 @ ( lam @ SV68 ) @ SV53 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[236]) ).

thf(247,plain,
    ! [SV54: $i,SV69: $i,SV31: $i] :
      ( ( ( tc @ SV31 @ ( var @ SV69 ) @ SV54 )
        = $false )
      | ( ( ( index @ SV31 @ SV69 )
          = nothing )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[237]) ).

thf(248,plain,
    ! [SV62: $i] :
      ( ( ( nf @ SV62 )
        = $false )
      | ( ( ~ ( tc @ nil @ SV62 @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[238]) ).

thf(249,plain,
    ! [SV71: $i,SV63: $i,SV45: $i,SV20: $i] :
      ( ( ~ ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) )
        | ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[239]) ).

thf(250,plain,
    ! [SV71: $i,SV45: $i,SV20: $i,SV63: $i] :
      ( ( ~ ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 )
        | ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[240]) ).

thf(251,plain,
    ! [SV46: $i,SV75: $i,SV72: $i,SV64: $i,SV21: $i] :
      ( ( ~ ( ~ ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
            | ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
                | ~ ( tc @ SV21 @ SV72 @ SV75 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[241]) ).

thf(252,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ~ ( ~ ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
                  | ~ ( tc @ SV21 @ SV72 @ SV75 ) )
            | ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[241]) ).

thf(253,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
              | ~ ( ~ ( nf @ SV22 )
                  | ~ ( nf @ SV47 ) ) )
          | ~ ( ~ ~ ( ~ ( nf @ SV22 )
                    | ~ ( nf @ SV47 ) )
              | ( nf @ ( app @ SV22 @ SV47 @ SV65 ) ) ) )
        = $false )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[242]) ).

thf(254,plain,
    ! [SV73: $i,SV48: $i,SV66: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
              | ( SV73 = SV48 ) )
          | ~ ( ( SV73 != SV48 )
              | ( tc @ SV24 @ ( var @ SV66 ) @ SV48 ) ) )
        = $false )
      | ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[245]) ).

thf(255,plain,
    ! [SV53: $i,SV68: $i,SV30: $i] :
      ( ( ( tc @ SV30 @ ( lam @ SV68 ) @ SV53 )
        = $false )
      | ( ( SV53
          = ( arr @ ( proj1Arr @ SV53 ) @ ( proj2Arr @ SV53 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[246]) ).

thf(256,plain,
    ! [SV62: $i] :
      ( ( ( tc @ nil @ SV62 @ ( arr @ ( arr @ a @ ( arr @ a @ b ) ) @ ( arr @ a @ b ) ) )
        = $false )
      | ( ( nf @ SV62 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[248]) ).

thf(257,plain,
    ! [SV71: $i,SV63: $i,SV45: $i,SV20: $i] :
      ( ( ( ~ ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) ) )
        = $true )
      | ( ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[249]) ).

thf(258,plain,
    ! [SV71: $i,SV45: $i,SV20: $i,SV63: $i] :
      ( ( ( ~ ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 ) )
        = $true )
      | ( ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[250]) ).

thf(259,plain,
    ! [SV46: $i,SV75: $i,SV72: $i,SV64: $i,SV21: $i] :
      ( ( ~ ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        | ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
            | ~ ( tc @ SV21 @ SV72 @ SV75 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[251]) ).

thf(260,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ~ ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
              | ~ ( tc @ SV21 @ SV72 @ SV75 ) )
        | ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[252]) ).

thf(261,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
              | ~ ( ~ ( nf @ SV22 )
                  | ~ ( nf @ SV47 ) ) ) )
        = $false )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[253]) ).

thf(262,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( nf @ SV22 )
                    | ~ ( nf @ SV47 ) )
              | ( nf @ ( app @ SV22 @ SV47 @ SV65 ) ) ) )
        = $false )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[253]) ).

thf(263,plain,
    ! [SV73: $i,SV48: $i,SV66: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
              | ( SV73 = SV48 ) ) )
        = $false )
      | ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[254]) ).

thf(264,plain,
    ! [SV66: $i,SV24: $i,SV48: $i,SV73: $i] :
      ( ( ( ~ ( ( SV73 != SV48 )
              | ( tc @ SV24 @ ( var @ SV66 ) @ SV48 ) ) )
        = $false )
      | ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[254]) ).

thf(265,plain,
    ! [SV71: $i,SV63: $i,SV45: $i,SV20: $i] :
      ( ( ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) )
        = $false )
      | ( ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[257]) ).

thf(266,plain,
    ! [SV71: $i,SV45: $i,SV20: $i,SV63: $i] :
      ( ( ( tc @ ( cons @ SV63 @ SV20 ) @ SV45 @ SV71 )
        = $false )
      | ( ( tc @ SV20 @ ( lam @ SV45 ) @ ( arr @ SV63 @ SV71 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[258]) ).

thf(267,plain,
    ! [SV46: $i,SV75: $i,SV72: $i,SV64: $i,SV21: $i] :
      ( ( ( ~ ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 ) )
        = $true )
      | ( ( ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
              | ~ ( tc @ SV21 @ SV72 @ SV75 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[259]) ).

thf(268,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ( ~ ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
                | ~ ( tc @ SV21 @ SV72 @ SV75 ) ) )
        = $true )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[260]) ).

thf(269,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
          | ~ ( ~ ( nf @ SV22 )
              | ~ ( nf @ SV47 ) ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[261]) ).

thf(270,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ~ ( ~ ( nf @ SV22 )
                | ~ ( nf @ SV47 ) )
          | ( nf @ ( app @ SV22 @ SV47 @ SV65 ) ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[262]) ).

thf(271,plain,
    ! [SV73: $i,SV48: $i,SV66: $i,SV24: $i] :
      ( ( ( ~ ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
          | ( SV73 = SV48 ) )
        = $true )
      | ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[263]) ).

thf(272,plain,
    ! [SV66: $i,SV24: $i,SV48: $i,SV73: $i] :
      ( ( ( ( SV73 != SV48 )
          | ( tc @ SV24 @ ( var @ SV66 ) @ SV48 ) )
        = $true )
      | ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[264]) ).

thf(273,plain,
    ! [SV46: $i,SV75: $i,SV72: $i,SV64: $i,SV21: $i] :
      ( ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $false )
      | ( ( ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
              | ~ ( tc @ SV21 @ SV72 @ SV75 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[267]) ).

thf(274,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ( ~ ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
              | ~ ( tc @ SV21 @ SV72 @ SV75 ) ) )
        = $false )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[268]) ).

thf(275,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( nf @ ( app @ SV22 @ SV47 @ SV65 ) ) )
        = $true )
      | ( ( ~ ( ~ ( nf @ SV22 )
              | ~ ( nf @ SV47 ) ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[269]) ).

thf(276,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ~ ( ~ ( nf @ SV22 )
                | ~ ( nf @ SV47 ) ) )
        = $true )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[270]) ).

thf(277,plain,
    ! [SV73: $i,SV48: $i,SV66: $i,SV24: $i] :
      ( ( ( ~ ( tc @ SV24 @ ( var @ SV66 ) @ SV48 ) )
        = $true )
      | ( ( SV73 = SV48 )
        = $true )
      | ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[271]) ).

thf(278,plain,
    ! [SV66: $i,SV24: $i,SV48: $i,SV73: $i] :
      ( ( ( SV73 != SV48 )
        = $true )
      | ( ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
        = $true )
      | ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[272]) ).

thf(279,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
          | ~ ( tc @ SV21 @ SV72 @ SV75 ) )
        = $false )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[273]) ).

thf(280,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
          | ~ ( tc @ SV21 @ SV72 @ SV75 ) )
        = $true )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[274]) ).

thf(281,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $false )
      | ( ( ~ ( ~ ( nf @ SV22 )
              | ~ ( nf @ SV47 ) ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[275]) ).

thf(282,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( nf @ SV22 )
              | ~ ( nf @ SV47 ) ) )
        = $false )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[276]) ).

thf(283,plain,
    ! [SV73: $i,SV48: $i,SV66: $i,SV24: $i] :
      ( ( ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
        = $false )
      | ( ( SV73 = SV48 )
        = $true )
      | ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[277]) ).

thf(284,plain,
    ! [SV66: $i,SV24: $i,SV48: $i,SV73: $i] :
      ( ( ( SV73 = SV48 )
        = $false )
      | ( ( tc @ SV24 @ ( var @ SV66 ) @ SV48 )
        = $true )
      | ( ( ( index @ SV24 @ SV66 )
          = ( just @ SV73 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[278]) ).

thf(285,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) ) )
        = $false )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[279]) ).

thf(286,plain,
    ! [SV46: $i,SV64: $i,SV75: $i,SV72: $i,SV21: $i] :
      ( ( ( ~ ( tc @ SV21 @ SV72 @ SV75 ) )
        = $false )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[279]) ).

thf(287,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ( ~ ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) ) )
        = $true )
      | ( ( ~ ( tc @ SV21 @ SV72 @ SV75 ) )
        = $true )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[280]) ).

thf(288,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( nf @ SV22 )
          | ~ ( nf @ SV47 ) )
        = $false )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $false )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[281]) ).

thf(289,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( nf @ SV22 )
          | ~ ( nf @ SV47 ) )
        = $true )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[282]) ).

thf(290,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
        = $true )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[285]) ).

thf(291,plain,
    ! [SV46: $i,SV64: $i,SV75: $i,SV72: $i,SV21: $i] :
      ( ( ( tc @ SV21 @ SV72 @ SV75 )
        = $true )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[286]) ).

thf(292,plain,
    ! [SV72: $i,SV46: $i,SV75: $i,SV64: $i,SV21: $i] :
      ( ( ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
        = $false )
      | ( ( ~ ( tc @ SV21 @ SV72 @ SV75 ) )
        = $true )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[287]) ).

thf(293,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( nf @ SV22 ) )
        = $false )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $false )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[288]) ).

thf(294,plain,
    ! [SV65: $i,SV22: $i,SV47: $i] :
      ( ( ( ~ ( nf @ SV47 ) )
        = $false )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $false )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[288]) ).

thf(295,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( ~ ( nf @ SV22 ) )
        = $true )
      | ( ( ~ ( nf @ SV47 ) )
        = $true )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[289]) ).

thf(296,plain,
    ! [SV46: $i,SV64: $i,SV75: $i,SV72: $i,SV21: $i] :
      ( ( ( tc @ SV21 @ SV72 @ SV75 )
        = $false )
      | ( ( tc @ SV21 @ SV64 @ ( arr @ SV75 @ SV46 ) )
        = $false )
      | ( ( tc @ SV21 @ ( app @ SV64 @ SV72 @ SV75 ) @ SV46 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[292]) ).

thf(297,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( nf @ SV22 )
        = $true )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $false )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[293]) ).

thf(298,plain,
    ! [SV65: $i,SV22: $i,SV47: $i] :
      ( ( ( nf @ SV47 )
        = $true )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $false )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[294]) ).

thf(299,plain,
    ! [SV65: $i,SV47: $i,SV22: $i] :
      ( ( ( nf @ SV22 )
        = $false )
      | ( ( ~ ( nf @ SV47 ) )
        = $true )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[295]) ).

thf(300,plain,
    ! [SV65: $i,SV22: $i,SV47: $i] :
      ( ( ( nf @ SV47 )
        = $false )
      | ( ( nf @ SV22 )
        = $false )
      | ( ( nf @ ( app @ SV22 @ SV47 @ SV65 ) )
        = $true )
      | ( ( SV22
          = ( lam @ ( proj1Lam @ SV22 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[299]) ).

thf(301,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[135,300,298,297,296,291,290,284,283,266,265,256,255,247,244,243,235,227,215,214,211,209,208,200,198,196,195,194,189,179,175,170,169,168,167,157,150,147,144,143,141,140,136]) ).

thf(302,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[301]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SWX223+1 : TPTP v9.3.1. Released v9.3.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.22  % Computer : n026.cluster.edu
% 0.08/0.22  % Model    : x86_64 x86_64
% 0.08/0.22  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.22  % Memory   : 8046.5625MB
% 0.08/0.22  % OS       : Linux 6.8.0-71-generic
% 0.08/0.22  % CPULimit : 300
% 0.08/0.22  % WCLimit  : 300
% 0.08/0.22  % DateTime : Tue Oct  6 17:16:28 UTC 2026
% 0.08/0.22  % CPUTime  : 
% 0.08/0.22  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 1.49/0.55  
% 1.49/0.55   No.of.Axioms: 35
% 1.49/0.55  
% 1.49/0.55   Length.of.Defs: 0
% 1.49/0.55  
% 1.49/0.55   Contains.Choice.Funs: false
% 1.49/0.55  .........
% 1.49/0.55  
% 1.49/0.55  ********************************
% 1.49/0.55  *   All subproblems solved!    *
% 1.49/0.55  ********************************
% 1.49/0.55  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:35,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:301,loop_count:0,foatp_calls:1,translation:fof_full)
% 1.49/0.55  
% 1.49/0.55  %**** Beginning of derivation protocol ****
% 1.49/0.55  % SZS output start CNFRefutation
% See solution above
% 1.49/0.55  
% 1.49/0.55  %**** End of derivation protocol ****
% 1.49/0.55  %**** no. of clauses in derivation: 302 ****
% 1.49/0.55  %**** clause counter: 301 ****
% 1.49/0.55  
% 1.49/0.55  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:35,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:301,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------