TSTP Solution File: LCL452+1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : LCL452+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n027.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Sun Jul 17 12:23:26 EDT 2022

% Result   : Theorem 0.19s 0.57s
% Output   : CNFRefutation 0.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :  148
% Syntax   : Number of formulae    :  660 ( 330 unt;  95 typ;   0 def)
%            Number of atoms       : 2828 ( 793 equ;   0 cnn)
%            Maximal formula atoms :    4 (   5 avg)
%            Number of connectives : 5823 ( 763   ~; 681   |;  64   &;4245   @)
%                                         (  52 <=>;  18  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   2 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   10 (  10   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   98 (  95 usr;  91 con; 0-2 aty)
%            Number of variables   :  767 (   0   ^ 767   !;   0   ?; 767   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_and,type,
    and: $i > $i > $i ).

thf(tp_and_1,type,
    and_1: $o ).

thf(tp_and_2,type,
    and_2: $o ).

thf(tp_and_3,type,
    and_3: $o ).

thf(tp_cn1,type,
    cn1: $o ).

thf(tp_cn2,type,
    cn2: $o ).

thf(tp_cn3,type,
    cn3: $o ).

thf(tp_equiv,type,
    equiv: $i > $i > $i ).

thf(tp_equivalence_1,type,
    equivalence_1: $o ).

thf(tp_equivalence_2,type,
    equivalence_2: $o ).

thf(tp_equivalence_3,type,
    equivalence_3: $o ).

thf(tp_implies,type,
    implies: $i > $i > $i ).

thf(tp_implies_1,type,
    implies_1: $o ).

thf(tp_implies_2,type,
    implies_2: $o ).

thf(tp_implies_3,type,
    implies_3: $o ).

thf(tp_is_a_theorem,type,
    is_a_theorem: $i > $o ).

thf(tp_kn1,type,
    kn1: $o ).

thf(tp_kn2,type,
    kn2: $o ).

thf(tp_kn3,type,
    kn3: $o ).

thf(tp_modus_ponens,type,
    modus_ponens: $o ).

thf(tp_modus_tollens,type,
    modus_tollens: $o ).

thf(tp_not,type,
    not: $i > $i ).

thf(tp_op_and,type,
    op_and: $o ).

thf(tp_op_equiv,type,
    op_equiv: $o ).

thf(tp_op_implies,type,
    op_implies: $o ).

thf(tp_op_implies_and,type,
    op_implies_and: $o ).

thf(tp_op_implies_or,type,
    op_implies_or: $o ).

thf(tp_op_or,type,
    op_or: $o ).

thf(tp_or,type,
    or: $i > $i > $i ).

thf(tp_or_1,type,
    or_1: $o ).

thf(tp_or_2,type,
    or_2: $o ).

thf(tp_or_3,type,
    or_3: $o ).

thf(tp_r1,type,
    r1: $o ).

thf(tp_r2,type,
    r2: $o ).

thf(tp_r3,type,
    r3: $o ).

thf(tp_r4,type,
    r4: $o ).

thf(tp_r5,type,
    r5: $o ).

thf(tp_sK10_SY72,type,
    sK10_SY72: $i ).

thf(tp_sK11_P,type,
    sK11_P: $i ).

thf(tp_sK12_P,type,
    sK12_P: $i ).

thf(tp_sK13_P,type,
    sK13_P: $i ).

thf(tp_sK14_SY73,type,
    sK14_SY73: $i ).

thf(tp_sK15_P,type,
    sK15_P: $i ).

thf(tp_sK16_SY74,type,
    sK16_SY74: $i ).

thf(tp_sK17_SY76,type,
    sK17_SY76: $i ).

thf(tp_sK18_P,type,
    sK18_P: $i ).

thf(tp_sK19_SY77,type,
    sK19_SY77: $i ).

thf(tp_sK1_P,type,
    sK1_P: $i ).

thf(tp_sK20_SY79,type,
    sK20_SY79: $i ).

thf(tp_sK21_P,type,
    sK21_P: $i ).

thf(tp_sK22_SY80,type,
    sK22_SY80: $i ).

thf(tp_sK23_P,type,
    sK23_P: $i ).

thf(tp_sK24_X,type,
    sK24_X: $i ).

thf(tp_sK25_SY81,type,
    sK25_SY81: $i ).

thf(tp_sK26_X,type,
    sK26_X: $i ).

thf(tp_sK27_SY82,type,
    sK27_SY82: $i ).

thf(tp_sK28_X,type,
    sK28_X: $i ).

thf(tp_sK29_SY83,type,
    sK29_SY83: $i ).

thf(tp_sK2_SY65,type,
    sK2_SY65: $i ).

thf(tp_sK30_X,type,
    sK30_X: $i ).

thf(tp_sK31_SY84,type,
    sK31_SY84: $i ).

thf(tp_sK32_SY86,type,
    sK32_SY86: $i ).

thf(tp_sK33_X,type,
    sK33_X: $i ).

thf(tp_sK34_SY87,type,
    sK34_SY87: $i ).

thf(tp_sK35_X,type,
    sK35_X: $i ).

thf(tp_sK36_SY88,type,
    sK36_SY88: $i ).

thf(tp_sK37_X,type,
    sK37_X: $i ).

thf(tp_sK38_SY89,type,
    sK38_SY89: $i ).

thf(tp_sK39_X,type,
    sK39_X: $i ).

thf(tp_sK3_SY67,type,
    sK3_SY67: $i ).

thf(tp_sK40_SY90,type,
    sK40_SY90: $i ).

thf(tp_sK41_X,type,
    sK41_X: $i ).

thf(tp_sK42_SY91,type,
    sK42_SY91: $i ).

thf(tp_sK43_X,type,
    sK43_X: $i ).

thf(tp_sK44_SY92,type,
    sK44_SY92: $i ).

thf(tp_sK45_SY94,type,
    sK45_SY94: $i ).

thf(tp_sK46_X,type,
    sK46_X: $i ).

thf(tp_sK47_SY95,type,
    sK47_SY95: $i ).

thf(tp_sK48_X,type,
    sK48_X: $i ).

thf(tp_sK49_SY96,type,
    sK49_SY96: $i ).

thf(tp_sK4_P,type,
    sK4_P: $i ).

thf(tp_sK50_X,type,
    sK50_X: $i ).

thf(tp_sK51_SY97,type,
    sK51_SY97: $i ).

thf(tp_sK52_X,type,
    sK52_X: $i ).

thf(tp_sK53_SY98,type,
    sK53_SY98: $i ).

thf(tp_sK54_REN,type,
    sK54_REN: $o ).

thf(tp_sK55_X,type,
    sK55_X: $i ).

thf(tp_sK56_SY99,type,
    sK56_SY99: $i ).

thf(tp_sK57_REN,type,
    sK57_REN: $o ).

thf(tp_sK5_SY68,type,
    sK5_SY68: $i ).

thf(tp_sK6_SY70,type,
    sK6_SY70: $i ).

thf(tp_sK7_P,type,
    sK7_P: $i ).

thf(tp_sK8_SY71,type,
    sK8_SY71: $i ).

thf(tp_sK9_P,type,
    sK9_P: $i ).

thf(tp_substitution_of_equivalents,type,
    substitution_of_equivalents: $o ).

thf(1,axiom,
    op_equiv,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',luka_op_equiv) ).

thf(2,axiom,
    op_implies,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',luka_op_implies) ).

thf(3,axiom,
    op_or,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',luka_op_or) ).

thf(4,axiom,
    substitution_of_equivalents,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',substitution_of_equivalents) ).

thf(5,axiom,
    equivalence_3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_equivalence_3) ).

thf(6,axiom,
    equivalence_2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_equivalence_2) ).

thf(7,axiom,
    equivalence_1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_equivalence_1) ).

thf(8,axiom,
    or_3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_or_3) ).

thf(9,axiom,
    or_2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_or_2) ).

thf(10,axiom,
    or_1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_or_1) ).

thf(11,axiom,
    and_3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_and_3) ).

thf(12,axiom,
    and_2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_and_2) ).

thf(13,axiom,
    and_1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_and_1) ).

thf(14,axiom,
    implies_3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_implies_3) ).

thf(15,axiom,
    implies_2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_implies_2) ).

thf(16,axiom,
    implies_1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_implies_1) ).

thf(17,axiom,
    modus_tollens,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_modus_tollens) ).

thf(18,axiom,
    modus_ponens,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_modus_ponens) ).

thf(19,axiom,
    op_equiv,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_op_equiv) ).

thf(20,axiom,
    op_implies_and,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_op_implies_and) ).

thf(21,axiom,
    op_or,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_op_or) ).

thf(22,axiom,
    ( op_equiv
   => ! [X: $i,Y: $i] :
        ( ( equiv @ X @ Y )
        = ( and @ ( implies @ X @ Y ) @ ( implies @ Y @ X ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',op_equiv) ).

thf(23,axiom,
    ( op_implies_or
   => ! [X: $i,Y: $i] :
        ( ( implies @ X @ Y )
        = ( or @ ( not @ X ) @ Y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',op_implies_or) ).

thf(24,axiom,
    ( op_implies_and
   => ! [X: $i,Y: $i] :
        ( ( implies @ X @ Y )
        = ( not @ ( and @ X @ ( not @ Y ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',op_implies_and) ).

thf(25,axiom,
    ( op_and
   => ! [X: $i,Y: $i] :
        ( ( and @ X @ Y )
        = ( not @ ( or @ ( not @ X ) @ ( not @ Y ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',op_and) ).

thf(26,axiom,
    ( op_or
   => ! [X: $i,Y: $i] :
        ( ( or @ X @ Y )
        = ( not @ ( and @ ( not @ X ) @ ( not @ Y ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',op_or) ).

thf(27,axiom,
    ( r5
  <=> ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ Q @ R ) @ ( implies @ ( or @ P @ Q ) @ ( or @ P @ R ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',r5) ).

thf(28,axiom,
    ( r4
  <=> ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ ( or @ Q @ R ) ) @ ( or @ Q @ ( or @ P @ R ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',r4) ).

thf(29,axiom,
    ( r3
  <=> ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ Q ) @ ( or @ Q @ P ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',r3) ).

thf(30,axiom,
    ( r2
  <=> ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ Q @ ( or @ P @ Q ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',r2) ).

thf(31,axiom,
    ( r1
  <=> ! [P: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ P ) @ P ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',r1) ).

thf(32,axiom,
    ( cn3
  <=> ! [P: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ P ) @ P ) @ P ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cn3) ).

thf(33,axiom,
    ( cn2
  <=> ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ P @ ( implies @ ( not @ P ) @ Q ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cn2) ).

thf(34,axiom,
    ( cn1
  <=> ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ P @ Q ) @ ( implies @ ( implies @ Q @ R ) @ ( implies @ P @ R ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cn1) ).

thf(35,axiom,
    ( kn3
  <=> ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ P @ Q ) @ ( implies @ ( not @ ( and @ Q @ R ) ) @ ( not @ ( and @ R @ P ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',kn3) ).

thf(36,axiom,
    ( kn2
  <=> ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ ( and @ P @ Q ) @ P ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',kn2) ).

thf(37,axiom,
    ( kn1
  <=> ! [P: $i] : ( is_a_theorem @ ( implies @ P @ ( and @ P @ P ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',kn1) ).

thf(38,axiom,
    ( equivalence_3
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Y ) @ ( implies @ ( implies @ Y @ X ) @ ( equiv @ X @ Y ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',equivalence_3) ).

thf(39,axiom,
    ( equivalence_2
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( equiv @ X @ Y ) @ ( implies @ Y @ X ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',equivalence_2) ).

thf(40,axiom,
    ( equivalence_1
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( equiv @ X @ Y ) @ ( implies @ X @ Y ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',equivalence_1) ).

thf(41,axiom,
    ( or_3
  <=> ! [X: $i,Y: $i,Z: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Z ) @ ( implies @ ( implies @ Y @ Z ) @ ( implies @ ( or @ X @ Y ) @ Z ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',or_3) ).

thf(42,axiom,
    ( or_2
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ Y @ ( or @ X @ Y ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',or_2) ).

thf(43,axiom,
    ( or_1
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( or @ X @ Y ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',or_1) ).

thf(44,axiom,
    ( and_3
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ ( and @ X @ Y ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',and_3) ).

thf(45,axiom,
    ( and_2
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( and @ X @ Y ) @ Y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',and_2) ).

thf(46,axiom,
    ( and_1
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( and @ X @ Y ) @ X ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',and_1) ).

thf(47,axiom,
    ( implies_3
  <=> ! [X: $i,Y: $i,Z: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Y ) @ ( implies @ ( implies @ Y @ Z ) @ ( implies @ X @ Z ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',implies_3) ).

thf(48,axiom,
    ( implies_2
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ ( implies @ X @ Y ) ) @ ( implies @ X @ Y ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',implies_2) ).

thf(49,axiom,
    ( implies_1
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ X ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',implies_1) ).

thf(50,axiom,
    ( modus_tollens
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ Y ) @ ( not @ X ) ) @ ( implies @ X @ Y ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',modus_tollens) ).

thf(51,axiom,
    ( substitution_of_equivalents
  <=> ! [X: $i,Y: $i] :
        ( ( is_a_theorem @ ( equiv @ X @ Y ) )
       => ( X = Y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',substitution_of_equivalents) ).

thf(52,axiom,
    ( modus_ponens
  <=> ! [X: $i,Y: $i] :
        ( ( ( is_a_theorem @ X )
          & ( is_a_theorem @ ( implies @ X @ Y ) ) )
       => ( is_a_theorem @ Y ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',modus_ponens) ).

thf(53,conjecture,
    cn2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',luka_cn2) ).

thf(54,negated_conjecture,
    cn2 = $false,
    inference(negate_conjecture,[status(cth)],[53]) ).

thf(55,plain,
    cn2 = $false,
    inference(unfold_def,[status(thm)],[54]) ).

thf(56,plain,
    op_equiv = $true,
    inference(unfold_def,[status(thm)],[1]) ).

thf(57,plain,
    op_implies = $true,
    inference(unfold_def,[status(thm)],[2]) ).

thf(58,plain,
    op_or = $true,
    inference(unfold_def,[status(thm)],[3]) ).

thf(59,plain,
    substitution_of_equivalents = $true,
    inference(unfold_def,[status(thm)],[4]) ).

thf(60,plain,
    equivalence_3 = $true,
    inference(unfold_def,[status(thm)],[5]) ).

thf(61,plain,
    equivalence_2 = $true,
    inference(unfold_def,[status(thm)],[6]) ).

thf(62,plain,
    equivalence_1 = $true,
    inference(unfold_def,[status(thm)],[7]) ).

thf(63,plain,
    or_3 = $true,
    inference(unfold_def,[status(thm)],[8]) ).

thf(64,plain,
    or_2 = $true,
    inference(unfold_def,[status(thm)],[9]) ).

thf(65,plain,
    or_1 = $true,
    inference(unfold_def,[status(thm)],[10]) ).

thf(66,plain,
    and_3 = $true,
    inference(unfold_def,[status(thm)],[11]) ).

thf(67,plain,
    and_2 = $true,
    inference(unfold_def,[status(thm)],[12]) ).

thf(68,plain,
    and_1 = $true,
    inference(unfold_def,[status(thm)],[13]) ).

thf(69,plain,
    implies_3 = $true,
    inference(unfold_def,[status(thm)],[14]) ).

thf(70,plain,
    implies_2 = $true,
    inference(unfold_def,[status(thm)],[15]) ).

thf(71,plain,
    implies_1 = $true,
    inference(unfold_def,[status(thm)],[16]) ).

thf(72,plain,
    modus_tollens = $true,
    inference(unfold_def,[status(thm)],[17]) ).

thf(73,plain,
    modus_ponens = $true,
    inference(unfold_def,[status(thm)],[18]) ).

thf(74,plain,
    op_equiv = $true,
    inference(unfold_def,[status(thm)],[19]) ).

thf(75,plain,
    op_implies_and = $true,
    inference(unfold_def,[status(thm)],[20]) ).

thf(76,plain,
    op_or = $true,
    inference(unfold_def,[status(thm)],[21]) ).

thf(77,plain,
    ( ( op_equiv
     => ! [X: $i,Y: $i] :
          ( ( equiv @ X @ Y )
          = ( and @ ( implies @ X @ Y ) @ ( implies @ Y @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(78,plain,
    ( ( op_implies_or
     => ! [X: $i,Y: $i] :
          ( ( implies @ X @ Y )
          = ( or @ ( not @ X ) @ Y ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[23]) ).

thf(79,plain,
    ( ( op_implies_and
     => ! [X: $i,Y: $i] :
          ( ( implies @ X @ Y )
          = ( not @ ( and @ X @ ( not @ Y ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(80,plain,
    ( ( op_and
     => ! [X: $i,Y: $i] :
          ( ( and @ X @ Y )
          = ( not @ ( or @ ( not @ X ) @ ( not @ Y ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(81,plain,
    ( ( op_or
     => ! [X: $i,Y: $i] :
          ( ( or @ X @ Y )
          = ( not @ ( and @ ( not @ X ) @ ( not @ Y ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(82,plain,
    ( ( r5
    <=> ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ Q @ R ) @ ( implies @ ( or @ P @ Q ) @ ( or @ P @ R ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(83,plain,
    ( ( r4
    <=> ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ ( or @ Q @ R ) ) @ ( or @ Q @ ( or @ P @ R ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(84,plain,
    ( ( r3
    <=> ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ Q ) @ ( or @ Q @ P ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(85,plain,
    ( ( r2
    <=> ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ Q @ ( or @ P @ Q ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(86,plain,
    ( ( r1
    <=> ! [P: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ P ) @ P ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(87,plain,
    ( ( cn3
    <=> ! [P: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ P ) @ P ) @ P ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(88,plain,
    ( ( cn2
    <=> ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ P @ ( implies @ ( not @ P ) @ Q ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(89,plain,
    ( ( cn1
    <=> ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ P @ Q ) @ ( implies @ ( implies @ Q @ R ) @ ( implies @ P @ R ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[34]) ).

thf(90,plain,
    ( ( kn3
    <=> ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ P @ Q ) @ ( implies @ ( not @ ( and @ Q @ R ) ) @ ( not @ ( and @ R @ P ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[35]) ).

thf(91,plain,
    ( ( kn2
    <=> ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ ( and @ P @ Q ) @ P ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[36]) ).

thf(92,plain,
    ( ( kn1
    <=> ! [P: $i] : ( is_a_theorem @ ( implies @ P @ ( and @ P @ P ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[37]) ).

thf(93,plain,
    ( ( equivalence_3
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Y ) @ ( implies @ ( implies @ Y @ X ) @ ( equiv @ X @ Y ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[38]) ).

thf(94,plain,
    ( ( equivalence_2
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( equiv @ X @ Y ) @ ( implies @ Y @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[39]) ).

thf(95,plain,
    ( ( equivalence_1
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( equiv @ X @ Y ) @ ( implies @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[40]) ).

thf(96,plain,
    ( ( or_3
    <=> ! [X: $i,Y: $i,Z: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Z ) @ ( implies @ ( implies @ Y @ Z ) @ ( implies @ ( or @ X @ Y ) @ Z ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[41]) ).

thf(97,plain,
    ( ( or_2
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ Y @ ( or @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[42]) ).

thf(98,plain,
    ( ( or_1
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( or @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(99,plain,
    ( ( and_3
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ ( and @ X @ Y ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[44]) ).

thf(100,plain,
    ( ( and_2
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( and @ X @ Y ) @ Y ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(101,plain,
    ( ( and_1
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( and @ X @ Y ) @ X ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(102,plain,
    ( ( implies_3
    <=> ! [X: $i,Y: $i,Z: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Y ) @ ( implies @ ( implies @ Y @ Z ) @ ( implies @ X @ Z ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[47]) ).

thf(103,plain,
    ( ( implies_2
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ ( implies @ X @ Y ) ) @ ( implies @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(104,plain,
    ( ( implies_1
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ X ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[49]) ).

thf(105,plain,
    ( ( modus_tollens
    <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ Y ) @ ( not @ X ) ) @ ( implies @ X @ Y ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[50]) ).

thf(106,plain,
    ( ( substitution_of_equivalents
    <=> ! [X: $i,Y: $i] :
          ( ( is_a_theorem @ ( equiv @ X @ Y ) )
         => ( X = Y ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[51]) ).

thf(107,plain,
    ( ( modus_ponens
    <=> ! [X: $i,Y: $i] :
          ( ( ( is_a_theorem @ X )
            & ( is_a_theorem @ ( implies @ X @ Y ) ) )
         => ( is_a_theorem @ Y ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(108,plain,
    ( ( ~ cn2 )
    = $true ),
    inference(polarity_switch,[status(thm)],[55]) ).

thf(109,plain,
    ( ( ~ op_equiv
      | ! [X: $i,Y: $i] :
          ( ( equiv @ X @ Y )
          = ( and @ ( implies @ X @ Y ) @ ( implies @ Y @ X ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[77]) ).

thf(110,plain,
    ( ( ~ op_implies_or
      | ! [X: $i,Y: $i] :
          ( ( implies @ X @ Y )
          = ( or @ ( not @ X ) @ Y ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[78]) ).

thf(111,plain,
    ( ( ~ op_implies_and
      | ! [X: $i,Y: $i] :
          ( ( implies @ X @ Y )
          = ( not @ ( and @ X @ ( not @ Y ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[79]) ).

thf(112,plain,
    ( ( ~ op_and
      | ! [X: $i,Y: $i] :
          ( ( and @ X @ Y )
          = ( not @ ( or @ ( not @ X ) @ ( not @ Y ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[80]) ).

thf(113,plain,
    ( ( ~ op_or
      | ! [X: $i,Y: $i] :
          ( ( or @ X @ Y )
          = ( not @ ( and @ ( not @ X ) @ ( not @ Y ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[81]) ).

thf(114,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK2_SY65 @ sK3_SY67 ) @ ( implies @ ( or @ sK1_P @ sK2_SY65 ) @ ( or @ sK1_P @ sK3_SY67 ) ) ) )
        | r5 )
      & ( ~ r5
        | ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ Q @ R ) @ ( implies @ ( or @ P @ Q ) @ ( or @ P @ R ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[82]) ).

thf(115,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK4_P @ ( or @ sK5_SY68 @ sK6_SY70 ) ) @ ( or @ sK5_SY68 @ ( or @ sK4_P @ sK6_SY70 ) ) ) )
        | r4 )
      & ( ~ r4
        | ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ ( or @ Q @ R ) ) @ ( or @ Q @ ( or @ P @ R ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[83]) ).

thf(116,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK7_P @ sK8_SY71 ) @ ( or @ sK8_SY71 @ sK7_P ) ) )
        | r3 )
      & ( ~ r3
        | ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ Q ) @ ( or @ Q @ P ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[84]) ).

thf(117,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK10_SY72 @ ( or @ sK9_P @ sK10_SY72 ) ) )
        | r2 )
      & ( ~ r2
        | ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ Q @ ( or @ P @ Q ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[85]) ).

thf(118,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK11_P @ sK11_P ) @ sK11_P ) )
        | r1 )
      & ( ~ r1
        | ! [P: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ P ) @ P ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[86]) ).

thf(119,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK12_P ) @ sK12_P ) @ sK12_P ) )
        | cn3 )
      & ( ~ cn3
        | ! [P: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ P ) @ P ) @ P ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[87]) ).

thf(120,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK13_P @ ( implies @ ( not @ sK13_P ) @ sK14_SY73 ) ) )
        | cn2 )
      & ( ~ cn2
        | ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ P @ ( implies @ ( not @ P ) @ Q ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[88]) ).

thf(121,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK15_P @ sK16_SY74 ) @ ( implies @ ( implies @ sK16_SY74 @ sK17_SY76 ) @ ( implies @ sK15_P @ sK17_SY76 ) ) ) )
        | cn1 )
      & ( ~ cn1
        | ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ P @ Q ) @ ( implies @ ( implies @ Q @ R ) @ ( implies @ P @ R ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[89]) ).

thf(122,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK18_P @ sK19_SY77 ) @ ( implies @ ( not @ ( and @ sK19_SY77 @ sK20_SY79 ) ) @ ( not @ ( and @ sK20_SY79 @ sK18_P ) ) ) ) )
        | kn3 )
      & ( ~ kn3
        | ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ P @ Q ) @ ( implies @ ( not @ ( and @ Q @ R ) ) @ ( not @ ( and @ R @ P ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[90]) ).

thf(123,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK21_P @ sK22_SY80 ) @ sK21_P ) )
        | kn2 )
      & ( ~ kn2
        | ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ ( and @ P @ Q ) @ P ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[91]) ).

thf(124,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK23_P @ ( and @ sK23_P @ sK23_P ) ) )
        | kn1 )
      & ( ~ kn1
        | ! [P: $i] : ( is_a_theorem @ ( implies @ P @ ( and @ P @ P ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[92]) ).

thf(125,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK24_X @ sK25_SY81 ) @ ( implies @ ( implies @ sK25_SY81 @ sK24_X ) @ ( equiv @ sK24_X @ sK25_SY81 ) ) ) )
        | equivalence_3 )
      & ( ~ equivalence_3
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Y ) @ ( implies @ ( implies @ Y @ X ) @ ( equiv @ X @ Y ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[93]) ).

thf(126,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK26_X @ sK27_SY82 ) @ ( implies @ sK27_SY82 @ sK26_X ) ) )
        | equivalence_2 )
      & ( ~ equivalence_2
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( equiv @ X @ Y ) @ ( implies @ Y @ X ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[94]) ).

thf(127,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK28_X @ sK29_SY83 ) @ ( implies @ sK28_X @ sK29_SY83 ) ) )
        | equivalence_1 )
      & ( ~ equivalence_1
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( equiv @ X @ Y ) @ ( implies @ X @ Y ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[95]) ).

thf(128,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK30_X @ sK32_SY86 ) @ ( implies @ ( implies @ sK31_SY84 @ sK32_SY86 ) @ ( implies @ ( or @ sK30_X @ sK31_SY84 ) @ sK32_SY86 ) ) ) )
        | or_3 )
      & ( ~ or_3
        | ! [X: $i,Y: $i,Z: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Z ) @ ( implies @ ( implies @ Y @ Z ) @ ( implies @ ( or @ X @ Y ) @ Z ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[96]) ).

thf(129,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK34_SY87 @ ( or @ sK33_X @ sK34_SY87 ) ) )
        | or_2 )
      & ( ~ or_2
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ Y @ ( or @ X @ Y ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[97]) ).

thf(130,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK35_X @ ( or @ sK35_X @ sK36_SY88 ) ) )
        | or_1 )
      & ( ~ or_1
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( or @ X @ Y ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[98]) ).

thf(131,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK37_X @ ( implies @ sK38_SY89 @ ( and @ sK37_X @ sK38_SY89 ) ) ) )
        | and_3 )
      & ( ~ and_3
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ ( and @ X @ Y ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[99]) ).

thf(132,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK39_X @ sK40_SY90 ) @ sK40_SY90 ) )
        | and_2 )
      & ( ~ and_2
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( and @ X @ Y ) @ Y ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[100]) ).

thf(133,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK41_X @ sK42_SY91 ) @ sK41_X ) )
        | and_1 )
      & ( ~ and_1
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( and @ X @ Y ) @ X ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[101]) ).

thf(134,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK43_X @ sK44_SY92 ) @ ( implies @ ( implies @ sK44_SY92 @ sK45_SY94 ) @ ( implies @ sK43_X @ sK45_SY94 ) ) ) )
        | implies_3 )
      & ( ~ implies_3
        | ! [X: $i,Y: $i,Z: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Y ) @ ( implies @ ( implies @ Y @ Z ) @ ( implies @ X @ Z ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[102]) ).

thf(135,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK46_X @ ( implies @ sK46_X @ sK47_SY95 ) ) @ ( implies @ sK46_X @ sK47_SY95 ) ) )
        | implies_2 )
      & ( ~ implies_2
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ ( implies @ X @ Y ) ) @ ( implies @ X @ Y ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[103]) ).

thf(136,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK48_X @ ( implies @ sK49_SY96 @ sK48_X ) ) )
        | implies_1 )
      & ( ~ implies_1
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ X ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[104]) ).

thf(137,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK51_SY97 ) @ ( not @ sK50_X ) ) @ ( implies @ sK50_X @ sK51_SY97 ) ) )
        | modus_tollens )
      & ( ~ modus_tollens
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ Y ) @ ( not @ X ) ) @ ( implies @ X @ Y ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[105]) ).

thf(138,plain,
    ( ( ( sK54_REN
        | substitution_of_equivalents )
      & ( sK54_REN
       => ( ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
          & ( sK52_X != sK53_SY98 ) ) )
      & ( ~ substitution_of_equivalents
        | ! [X: $i,Y: $i] :
            ( ~ ( is_a_theorem @ ( equiv @ X @ Y ) )
            | ( X = Y ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[106]) ).

thf(139,plain,
    ( ( ( sK57_REN
        | modus_ponens )
      & ( sK57_REN
       => ( ( is_a_theorem @ sK55_X )
          & ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) )
          & ~ ( is_a_theorem @ sK56_SY99 ) ) )
      & ( ~ modus_ponens
        | ! [X: $i,Y: $i] :
            ( ~ ( is_a_theorem @ X )
            | ~ ( is_a_theorem @ ( implies @ X @ Y ) )
            | ( is_a_theorem @ Y ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[107]) ).

thf(140,plain,
    ( ( ( sK57_REN
        | modus_ponens )
      & ( sK57_REN
       => ( ( is_a_theorem @ sK55_X )
          & ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) )
          & ~ ( is_a_theorem @ sK56_SY99 ) ) )
      & ( ~ modus_ponens
        | ! [X: $i,Y: $i] :
            ( ~ ( is_a_theorem @ X )
            | ~ ( is_a_theorem @ ( implies @ X @ Y ) )
            | ( is_a_theorem @ Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[139]) ).

thf(141,plain,
    ( ( ( sK54_REN
        | substitution_of_equivalents )
      & ( sK54_REN
       => ( ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
          & ( sK52_X != sK53_SY98 ) ) )
      & ( ~ substitution_of_equivalents
        | ! [X: $i,Y: $i] :
            ( ~ ( is_a_theorem @ ( equiv @ X @ Y ) )
            | ( X = Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[138]) ).

thf(142,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK51_SY97 ) @ ( not @ sK50_X ) ) @ ( implies @ sK50_X @ sK51_SY97 ) ) )
        | modus_tollens )
      & ( ~ modus_tollens
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ Y ) @ ( not @ X ) ) @ ( implies @ X @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[137]) ).

thf(143,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK48_X @ ( implies @ sK49_SY96 @ sK48_X ) ) )
        | implies_1 )
      & ( ~ implies_1
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ X ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[136]) ).

thf(144,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK46_X @ ( implies @ sK46_X @ sK47_SY95 ) ) @ ( implies @ sK46_X @ sK47_SY95 ) ) )
        | implies_2 )
      & ( ~ implies_2
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ ( implies @ X @ Y ) ) @ ( implies @ X @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[135]) ).

thf(145,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK43_X @ sK44_SY92 ) @ ( implies @ ( implies @ sK44_SY92 @ sK45_SY94 ) @ ( implies @ sK43_X @ sK45_SY94 ) ) ) )
        | implies_3 )
      & ( ~ implies_3
        | ! [X: $i,Y: $i,Z: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Y ) @ ( implies @ ( implies @ Y @ Z ) @ ( implies @ X @ Z ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[134]) ).

thf(146,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK41_X @ sK42_SY91 ) @ sK41_X ) )
        | and_1 )
      & ( ~ and_1
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( and @ X @ Y ) @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[133]) ).

thf(147,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK39_X @ sK40_SY90 ) @ sK40_SY90 ) )
        | and_2 )
      & ( ~ and_2
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( and @ X @ Y ) @ Y ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[132]) ).

thf(148,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK37_X @ ( implies @ sK38_SY89 @ ( and @ sK37_X @ sK38_SY89 ) ) ) )
        | and_3 )
      & ( ~ and_3
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ ( and @ X @ Y ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[131]) ).

thf(149,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK35_X @ ( or @ sK35_X @ sK36_SY88 ) ) )
        | or_1 )
      & ( ~ or_1
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( or @ X @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[130]) ).

thf(150,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK34_SY87 @ ( or @ sK33_X @ sK34_SY87 ) ) )
        | or_2 )
      & ( ~ or_2
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ Y @ ( or @ X @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[129]) ).

thf(151,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK30_X @ sK32_SY86 ) @ ( implies @ ( implies @ sK31_SY84 @ sK32_SY86 ) @ ( implies @ ( or @ sK30_X @ sK31_SY84 ) @ sK32_SY86 ) ) ) )
        | or_3 )
      & ( ~ or_3
        | ! [X: $i,Y: $i,Z: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Z ) @ ( implies @ ( implies @ Y @ Z ) @ ( implies @ ( or @ X @ Y ) @ Z ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[128]) ).

thf(152,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK28_X @ sK29_SY83 ) @ ( implies @ sK28_X @ sK29_SY83 ) ) )
        | equivalence_1 )
      & ( ~ equivalence_1
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( equiv @ X @ Y ) @ ( implies @ X @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[127]) ).

thf(153,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK26_X @ sK27_SY82 ) @ ( implies @ sK27_SY82 @ sK26_X ) ) )
        | equivalence_2 )
      & ( ~ equivalence_2
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( equiv @ X @ Y ) @ ( implies @ Y @ X ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[126]) ).

thf(154,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK24_X @ sK25_SY81 ) @ ( implies @ ( implies @ sK25_SY81 @ sK24_X ) @ ( equiv @ sK24_X @ sK25_SY81 ) ) ) )
        | equivalence_3 )
      & ( ~ equivalence_3
        | ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Y ) @ ( implies @ ( implies @ Y @ X ) @ ( equiv @ X @ Y ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[125]) ).

thf(155,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK23_P @ ( and @ sK23_P @ sK23_P ) ) )
        | kn1 )
      & ( ~ kn1
        | ! [P: $i] : ( is_a_theorem @ ( implies @ P @ ( and @ P @ P ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[124]) ).

thf(156,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK21_P @ sK22_SY80 ) @ sK21_P ) )
        | kn2 )
      & ( ~ kn2
        | ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ ( and @ P @ Q ) @ P ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[123]) ).

thf(157,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK18_P @ sK19_SY77 ) @ ( implies @ ( not @ ( and @ sK19_SY77 @ sK20_SY79 ) ) @ ( not @ ( and @ sK20_SY79 @ sK18_P ) ) ) ) )
        | kn3 )
      & ( ~ kn3
        | ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ P @ Q ) @ ( implies @ ( not @ ( and @ Q @ R ) ) @ ( not @ ( and @ R @ P ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[122]) ).

thf(158,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK15_P @ sK16_SY74 ) @ ( implies @ ( implies @ sK16_SY74 @ sK17_SY76 ) @ ( implies @ sK15_P @ sK17_SY76 ) ) ) )
        | cn1 )
      & ( ~ cn1
        | ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ P @ Q ) @ ( implies @ ( implies @ Q @ R ) @ ( implies @ P @ R ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[121]) ).

thf(159,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK13_P @ ( implies @ ( not @ sK13_P ) @ sK14_SY73 ) ) )
        | cn2 )
      & ( ~ cn2
        | ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ P @ ( implies @ ( not @ P ) @ Q ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[120]) ).

thf(160,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK12_P ) @ sK12_P ) @ sK12_P ) )
        | cn3 )
      & ( ~ cn3
        | ! [P: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ P ) @ P ) @ P ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[119]) ).

thf(161,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK11_P @ sK11_P ) @ sK11_P ) )
        | r1 )
      & ( ~ r1
        | ! [P: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ P ) @ P ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[118]) ).

thf(162,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK10_SY72 @ ( or @ sK9_P @ sK10_SY72 ) ) )
        | r2 )
      & ( ~ r2
        | ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ Q @ ( or @ P @ Q ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[117]) ).

thf(163,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK7_P @ sK8_SY71 ) @ ( or @ sK8_SY71 @ sK7_P ) ) )
        | r3 )
      & ( ~ r3
        | ! [P: $i,Q: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ Q ) @ ( or @ Q @ P ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[116]) ).

thf(164,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK4_P @ ( or @ sK5_SY68 @ sK6_SY70 ) ) @ ( or @ sK5_SY68 @ ( or @ sK4_P @ sK6_SY70 ) ) ) )
        | r4 )
      & ( ~ r4
        | ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( or @ P @ ( or @ Q @ R ) ) @ ( or @ Q @ ( or @ P @ R ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[115]) ).

thf(165,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK2_SY65 @ sK3_SY67 ) @ ( implies @ ( or @ sK1_P @ sK2_SY65 ) @ ( or @ sK1_P @ sK3_SY67 ) ) ) )
        | r5 )
      & ( ~ r5
        | ! [P: $i,Q: $i,R: $i] : ( is_a_theorem @ ( implies @ ( implies @ Q @ R ) @ ( implies @ ( or @ P @ Q ) @ ( or @ P @ R ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[114]) ).

thf(166,plain,
    ( ( ~ op_or
      | ! [X: $i,Y: $i] :
          ( ( or @ X @ Y )
          = ( not @ ( and @ ( not @ X ) @ ( not @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[113]) ).

thf(167,plain,
    ( ( ~ op_and
      | ! [X: $i,Y: $i] :
          ( ( and @ X @ Y )
          = ( not @ ( or @ ( not @ X ) @ ( not @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[112]) ).

thf(168,plain,
    ( ( ~ op_implies_and
      | ! [X: $i,Y: $i] :
          ( ( implies @ X @ Y )
          = ( not @ ( and @ X @ ( not @ Y ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[111]) ).

thf(169,plain,
    ( ( ~ op_implies_or
      | ! [X: $i,Y: $i] :
          ( ( implies @ X @ Y )
          = ( or @ ( not @ X ) @ Y ) ) )
    = $true ),
    inference(copy,[status(thm)],[110]) ).

thf(170,plain,
    ( ( ~ op_equiv
      | ! [X: $i,Y: $i] :
          ( ( equiv @ X @ Y )
          = ( and @ ( implies @ X @ Y ) @ ( implies @ Y @ X ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[109]) ).

thf(171,plain,
    op_or = $true,
    inference(copy,[status(thm)],[76]) ).

thf(172,plain,
    op_implies_and = $true,
    inference(copy,[status(thm)],[75]) ).

thf(173,plain,
    op_equiv = $true,
    inference(copy,[status(thm)],[74]) ).

thf(174,plain,
    modus_ponens = $true,
    inference(copy,[status(thm)],[73]) ).

thf(175,plain,
    modus_tollens = $true,
    inference(copy,[status(thm)],[72]) ).

thf(176,plain,
    implies_1 = $true,
    inference(copy,[status(thm)],[71]) ).

thf(177,plain,
    implies_2 = $true,
    inference(copy,[status(thm)],[70]) ).

thf(178,plain,
    implies_3 = $true,
    inference(copy,[status(thm)],[69]) ).

thf(179,plain,
    and_1 = $true,
    inference(copy,[status(thm)],[68]) ).

thf(180,plain,
    and_2 = $true,
    inference(copy,[status(thm)],[67]) ).

thf(181,plain,
    and_3 = $true,
    inference(copy,[status(thm)],[66]) ).

thf(182,plain,
    or_1 = $true,
    inference(copy,[status(thm)],[65]) ).

thf(183,plain,
    or_2 = $true,
    inference(copy,[status(thm)],[64]) ).

thf(184,plain,
    or_3 = $true,
    inference(copy,[status(thm)],[63]) ).

thf(185,plain,
    equivalence_1 = $true,
    inference(copy,[status(thm)],[62]) ).

thf(186,plain,
    equivalence_2 = $true,
    inference(copy,[status(thm)],[61]) ).

thf(187,plain,
    equivalence_3 = $true,
    inference(copy,[status(thm)],[60]) ).

thf(188,plain,
    substitution_of_equivalents = $true,
    inference(copy,[status(thm)],[59]) ).

thf(189,plain,
    op_or = $true,
    inference(copy,[status(thm)],[58]) ).

thf(190,plain,
    op_implies = $true,
    inference(copy,[status(thm)],[57]) ).

thf(191,plain,
    op_equiv = $true,
    inference(copy,[status(thm)],[56]) ).

thf(192,plain,
    ( ( ~ cn2 )
    = $true ),
    inference(copy,[status(thm)],[108]) ).

thf(193,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ sK35_X @ ( or @ sK35_X @ sK36_SY88 ) ) )
              | or_1 )
          | ~ ( ~ or_1
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( or @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[149]) ).

thf(194,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( or @ sK7_P @ sK8_SY71 ) @ ( or @ sK8_SY71 @ sK7_P ) ) )
              | r3 )
          | ~ ( ~ r3
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX1 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[163]) ).

thf(195,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( and @ sK39_X @ sK40_SY90 ) @ sK40_SY90 ) )
              | and_2 )
          | ~ ( ~ and_2
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[147]) ).

thf(196,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK15_P @ sK16_SY74 ) @ ( implies @ ( implies @ sK16_SY74 @ sK17_SY76 ) @ ( implies @ sK15_P @ sK17_SY76 ) ) ) )
              | cn1 )
          | ~ ( ~ cn1
              | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[158]) ).

thf(197,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK30_X @ sK32_SY86 ) @ ( implies @ ( implies @ sK31_SY84 @ sK32_SY86 ) @ ( implies @ ( or @ sK30_X @ sK31_SY84 ) @ sK32_SY86 ) ) ) )
              | or_3 )
          | ~ ( ~ or_3
              | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX2 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[151]) ).

thf(198,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK24_X @ sK25_SY81 ) @ ( implies @ ( implies @ sK25_SY81 @ sK24_X ) @ ( equiv @ sK24_X @ sK25_SY81 ) ) ) )
              | equivalence_3 )
          | ~ ( ~ equivalence_3
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX0 ) @ ( equiv @ SX0 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[154]) ).

thf(199,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ sK23_P @ ( and @ sK23_P @ sK23_P ) ) )
              | kn1 )
          | ~ ( ~ kn1
              | ! [SX0: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( and @ SX0 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[155]) ).

thf(200,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK2_SY65 @ sK3_SY67 ) @ ( implies @ ( or @ sK1_P @ sK2_SY65 ) @ ( or @ sK1_P @ sK3_SY67 ) ) ) )
              | r5 )
          | ~ ( ~ r5
              | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX0 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[165]) ).

thf(201,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( and @ sK41_X @ sK42_SY91 ) @ sK41_X ) )
              | and_1 )
          | ~ ( ~ and_1
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[146]) ).

thf(202,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( and @ sK21_P @ sK22_SY80 ) @ sK21_P ) )
              | kn2 )
          | ~ ( ~ kn2
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[156]) ).

thf(203,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( or @ sK4_P @ ( or @ sK5_SY68 @ sK6_SY70 ) ) @ ( or @ sK5_SY68 @ ( or @ sK4_P @ sK6_SY70 ) ) ) )
              | r4 )
          | ~ ( ~ r4
              | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ ( or @ SX1 @ SX2 ) ) @ ( or @ SX1 @ ( or @ SX0 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[164]) ).

thf(204,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK26_X @ sK27_SY82 ) @ ( implies @ sK27_SY82 @ sK26_X ) ) )
              | equivalence_2 )
          | ~ ( ~ equivalence_2
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX1 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[153]) ).

thf(205,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ sK10_SY72 @ ( or @ sK9_P @ sK10_SY72 ) ) )
              | r2 )
          | ~ ( ~ r2
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[162]) ).

thf(206,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ sK37_X @ ( implies @ sK38_SY89 @ ( and @ sK37_X @ sK38_SY89 ) ) ) )
              | and_3 )
          | ~ ( ~ and_3
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ ( and @ SX0 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[148]) ).

thf(207,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK18_P @ sK19_SY77 ) @ ( implies @ ( not @ ( and @ sK19_SY77 @ sK20_SY79 ) ) @ ( not @ ( and @ sK20_SY79 @ sK18_P ) ) ) ) )
              | kn3 )
          | ~ ( ~ kn3
              | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( not @ ( and @ SX1 @ SX2 ) ) @ ( not @ ( and @ SX2 @ SX0 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[157]) ).

thf(208,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK46_X @ ( implies @ sK46_X @ sK47_SY95 ) ) @ ( implies @ sK46_X @ sK47_SY95 ) ) )
              | implies_2 )
          | ~ ( ~ implies_2
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ ( implies @ SX0 @ SX1 ) ) @ ( implies @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[144]) ).

thf(209,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK51_SY97 ) @ ( not @ sK50_X ) ) @ ( implies @ sK50_X @ sK51_SY97 ) ) )
              | modus_tollens )
          | ~ ( ~ modus_tollens
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX1 ) @ ( not @ SX0 ) ) @ ( implies @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[142]) ).

thf(210,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( or @ sK11_P @ sK11_P ) @ sK11_P ) )
              | r1 )
          | ~ ( ~ r1
              | ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX0 ) @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[161]) ).

thf(211,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ sK34_SY87 @ ( or @ sK33_X @ sK34_SY87 ) ) )
              | or_2 )
          | ~ ( ~ or_2
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[150]) ).

thf(212,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ sK48_X @ ( implies @ sK49_SY96 @ sK48_X ) ) )
              | implies_1 )
          | ~ ( ~ implies_1
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[143]) ).

thf(213,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ sK13_P @ ( implies @ ( not @ sK13_P ) @ sK14_SY73 ) ) )
              | cn2 )
          | ~ ( ~ cn2
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ ( not @ SX0 ) @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[159]) ).

thf(214,plain,
    ( ( ~ ( ~ ~ ( ~ ( sK57_REN
                    | modus_ponens )
                | ~ ( ~ sK57_REN
                    | ~ ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
                              | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
                        | ~ ~ ( is_a_theorem @ sK56_SY99 ) ) ) )
          | ~ ( ~ modus_ponens
              | ! [SX0: $i,SX1: $i] :
                  ( ~ ( is_a_theorem @ SX0 )
                  | ~ ( is_a_theorem @ ( implies @ SX0 @ SX1 ) )
                  | ( is_a_theorem @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[140]) ).

thf(215,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK12_P ) @ sK12_P ) @ sK12_P ) )
              | cn3 )
          | ~ ( ~ cn3
              | ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX0 ) @ SX0 ) @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[160]) ).

thf(216,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK28_X @ sK29_SY83 ) @ ( implies @ sK28_X @ sK29_SY83 ) ) )
              | equivalence_1 )
          | ~ ( ~ equivalence_1
              | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX0 @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[152]) ).

thf(217,plain,
    ( ( ~ ( ~ ~ ( ~ ( sK54_REN
                    | substitution_of_equivalents )
                | ~ ( ~ sK54_REN
                    | ~ ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
                        | ~ ( ( sK52_X != sK53_SY98 ) ) ) ) )
          | ~ ( ~ substitution_of_equivalents
              | ! [SX0: $i,SX1: $i] :
                  ( ~ ( is_a_theorem @ ( equiv @ SX0 @ SX1 ) )
                  | ( SX0 = SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[141]) ).

thf(218,plain,
    ( ( ~ ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK43_X @ sK44_SY92 ) @ ( implies @ ( implies @ sK44_SY92 @ sK45_SY94 ) @ ( implies @ sK43_X @ sK45_SY94 ) ) ) )
              | implies_3 )
          | ~ ( ~ implies_3
              | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[145]) ).

thf(219,plain,
    ( ( ( ~ op_or )
      = $true )
    | ( ( ! [X: $i,Y: $i] :
            ( ( or @ X @ Y )
            = ( not @ ( and @ ( not @ X ) @ ( not @ Y ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[166]) ).

thf(220,plain,
    ( ( ( ~ op_and )
      = $true )
    | ( ( ! [X: $i,Y: $i] :
            ( ( and @ X @ Y )
            = ( not @ ( or @ ( not @ X ) @ ( not @ Y ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[167]) ).

thf(221,plain,
    ( ( ( ~ op_implies_and )
      = $true )
    | ( ( ! [X: $i,Y: $i] :
            ( ( implies @ X @ Y )
            = ( not @ ( and @ X @ ( not @ Y ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[168]) ).

thf(222,plain,
    ( ( ( ~ op_implies_or )
      = $true )
    | ( ( ! [X: $i,Y: $i] :
            ( ( implies @ X @ Y )
            = ( or @ ( not @ X ) @ Y ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[169]) ).

thf(223,plain,
    ( ( ( ~ op_equiv )
      = $true )
    | ( ( ! [X: $i,Y: $i] :
            ( ( equiv @ X @ Y )
            = ( and @ ( implies @ X @ Y ) @ ( implies @ Y @ X ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[170]) ).

thf(224,plain,
    cn2 = $false,
    inference(extcnf_not_pos,[status(thm)],[192]) ).

thf(225,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK35_X @ ( or @ sK35_X @ sK36_SY88 ) ) )
          | or_1 )
      | ~ ( ~ or_1
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( or @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[193]) ).

thf(226,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( or @ sK7_P @ sK8_SY71 ) @ ( or @ sK8_SY71 @ sK7_P ) ) )
          | r3 )
      | ~ ( ~ r3
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[194]) ).

thf(227,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( and @ sK39_X @ sK40_SY90 ) @ sK40_SY90 ) )
          | and_2 )
      | ~ ( ~ and_2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[195]) ).

thf(228,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK15_P @ sK16_SY74 ) @ ( implies @ ( implies @ sK16_SY74 @ sK17_SY76 ) @ ( implies @ sK15_P @ sK17_SY76 ) ) ) )
          | cn1 )
      | ~ ( ~ cn1
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[196]) ).

thf(229,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK30_X @ sK32_SY86 ) @ ( implies @ ( implies @ sK31_SY84 @ sK32_SY86 ) @ ( implies @ ( or @ sK30_X @ sK31_SY84 ) @ sK32_SY86 ) ) ) )
          | or_3 )
      | ~ ( ~ or_3
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX2 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[197]) ).

thf(230,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK24_X @ sK25_SY81 ) @ ( implies @ ( implies @ sK25_SY81 @ sK24_X ) @ ( equiv @ sK24_X @ sK25_SY81 ) ) ) )
          | equivalence_3 )
      | ~ ( ~ equivalence_3
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX0 ) @ ( equiv @ SX0 @ SX1 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[198]) ).

thf(231,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK23_P @ ( and @ sK23_P @ sK23_P ) ) )
          | kn1 )
      | ~ ( ~ kn1
          | ! [SX0: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( and @ SX0 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[199]) ).

thf(232,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK2_SY65 @ sK3_SY67 ) @ ( implies @ ( or @ sK1_P @ sK2_SY65 ) @ ( or @ sK1_P @ sK3_SY67 ) ) ) )
          | r5 )
      | ~ ( ~ r5
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX0 @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[200]) ).

thf(233,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( and @ sK41_X @ sK42_SY91 ) @ sK41_X ) )
          | and_1 )
      | ~ ( ~ and_1
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[201]) ).

thf(234,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( and @ sK21_P @ sK22_SY80 ) @ sK21_P ) )
          | kn2 )
      | ~ ( ~ kn2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[202]) ).

thf(235,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( or @ sK4_P @ ( or @ sK5_SY68 @ sK6_SY70 ) ) @ ( or @ sK5_SY68 @ ( or @ sK4_P @ sK6_SY70 ) ) ) )
          | r4 )
      | ~ ( ~ r4
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ ( or @ SX1 @ SX2 ) ) @ ( or @ SX1 @ ( or @ SX0 @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[203]) ).

thf(236,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK26_X @ sK27_SY82 ) @ ( implies @ sK27_SY82 @ sK26_X ) ) )
          | equivalence_2 )
      | ~ ( ~ equivalence_2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[204]) ).

thf(237,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK10_SY72 @ ( or @ sK9_P @ sK10_SY72 ) ) )
          | r2 )
      | ~ ( ~ r2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[205]) ).

thf(238,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK37_X @ ( implies @ sK38_SY89 @ ( and @ sK37_X @ sK38_SY89 ) ) ) )
          | and_3 )
      | ~ ( ~ and_3
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ ( and @ SX0 @ SX1 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[206]) ).

thf(239,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK18_P @ sK19_SY77 ) @ ( implies @ ( not @ ( and @ sK19_SY77 @ sK20_SY79 ) ) @ ( not @ ( and @ sK20_SY79 @ sK18_P ) ) ) ) )
          | kn3 )
      | ~ ( ~ kn3
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( not @ ( and @ SX1 @ SX2 ) ) @ ( not @ ( and @ SX2 @ SX0 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[207]) ).

thf(240,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK46_X @ ( implies @ sK46_X @ sK47_SY95 ) ) @ ( implies @ sK46_X @ sK47_SY95 ) ) )
          | implies_2 )
      | ~ ( ~ implies_2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ ( implies @ SX0 @ SX1 ) ) @ ( implies @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[208]) ).

thf(241,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK51_SY97 ) @ ( not @ sK50_X ) ) @ ( implies @ sK50_X @ sK51_SY97 ) ) )
          | modus_tollens )
      | ~ ( ~ modus_tollens
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX1 ) @ ( not @ SX0 ) ) @ ( implies @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[209]) ).

thf(242,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( or @ sK11_P @ sK11_P ) @ sK11_P ) )
          | r1 )
      | ~ ( ~ r1
          | ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX0 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[210]) ).

thf(243,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK34_SY87 @ ( or @ sK33_X @ sK34_SY87 ) ) )
          | or_2 )
      | ~ ( ~ or_2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[211]) ).

thf(244,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK48_X @ ( implies @ sK49_SY96 @ sK48_X ) ) )
          | implies_1 )
      | ~ ( ~ implies_1
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[212]) ).

thf(245,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK13_P @ ( implies @ ( not @ sK13_P ) @ sK14_SY73 ) ) )
          | cn2 )
      | ~ ( ~ cn2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ ( not @ SX0 ) @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[213]) ).

thf(246,plain,
    ( ( ~ ~ ( ~ ( sK57_REN
                | modus_ponens )
            | ~ ( ~ sK57_REN
                | ~ ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
                          | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
                    | ~ ~ ( is_a_theorem @ sK56_SY99 ) ) ) )
      | ~ ( ~ modus_ponens
          | ! [SX0: $i,SX1: $i] :
              ( ~ ( is_a_theorem @ SX0 )
              | ~ ( is_a_theorem @ ( implies @ SX0 @ SX1 ) )
              | ( is_a_theorem @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[214]) ).

thf(247,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK12_P ) @ sK12_P ) @ sK12_P ) )
          | cn3 )
      | ~ ( ~ cn3
          | ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX0 ) @ SX0 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[215]) ).

thf(248,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK28_X @ sK29_SY83 ) @ ( implies @ sK28_X @ sK29_SY83 ) ) )
          | equivalence_1 )
      | ~ ( ~ equivalence_1
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[216]) ).

thf(249,plain,
    ( ( ~ ~ ( ~ ( sK54_REN
                | substitution_of_equivalents )
            | ~ ( ~ sK54_REN
                | ~ ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
                    | ~ ( ( sK52_X != sK53_SY98 ) ) ) ) )
      | ~ ( ~ substitution_of_equivalents
          | ! [SX0: $i,SX1: $i] :
              ( ~ ( is_a_theorem @ ( equiv @ SX0 @ SX1 ) )
              | ( SX0 = SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[217]) ).

thf(250,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK43_X @ sK44_SY92 ) @ ( implies @ ( implies @ sK44_SY92 @ sK45_SY94 ) @ ( implies @ sK43_X @ sK45_SY94 ) ) ) )
          | implies_3 )
      | ~ ( ~ implies_3
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[218]) ).

thf(251,plain,
    ( ( op_or = $false )
    | ( ( ! [X: $i,Y: $i] :
            ( ( or @ X @ Y )
            = ( not @ ( and @ ( not @ X ) @ ( not @ Y ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[219]) ).

thf(252,plain,
    ( ( op_and = $false )
    | ( ( ! [X: $i,Y: $i] :
            ( ( and @ X @ Y )
            = ( not @ ( or @ ( not @ X ) @ ( not @ Y ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[220]) ).

thf(253,plain,
    ( ( op_implies_and = $false )
    | ( ( ! [X: $i,Y: $i] :
            ( ( implies @ X @ Y )
            = ( not @ ( and @ X @ ( not @ Y ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[221]) ).

thf(254,plain,
    ( ( op_implies_or = $false )
    | ( ( ! [X: $i,Y: $i] :
            ( ( implies @ X @ Y )
            = ( or @ ( not @ X ) @ Y ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[222]) ).

thf(255,plain,
    ( ( op_equiv = $false )
    | ( ( ! [X: $i,Y: $i] :
            ( ( equiv @ X @ Y )
            = ( and @ ( implies @ X @ Y ) @ ( implies @ Y @ X ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[223]) ).

thf(256,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK35_X @ ( or @ sK35_X @ sK36_SY88 ) ) )
          | or_1 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[225]) ).

thf(257,plain,
    ( ( ~ ( ~ or_1
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( or @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[225]) ).

thf(258,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( or @ sK7_P @ sK8_SY71 ) @ ( or @ sK8_SY71 @ sK7_P ) ) )
          | r3 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[226]) ).

thf(259,plain,
    ( ( ~ ( ~ r3
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[226]) ).

thf(260,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( and @ sK39_X @ sK40_SY90 ) @ sK40_SY90 ) )
          | and_2 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[227]) ).

thf(261,plain,
    ( ( ~ ( ~ and_2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[227]) ).

thf(262,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK15_P @ sK16_SY74 ) @ ( implies @ ( implies @ sK16_SY74 @ sK17_SY76 ) @ ( implies @ sK15_P @ sK17_SY76 ) ) ) )
          | cn1 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[228]) ).

thf(263,plain,
    ( ( ~ ( ~ cn1
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[228]) ).

thf(264,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK30_X @ sK32_SY86 ) @ ( implies @ ( implies @ sK31_SY84 @ sK32_SY86 ) @ ( implies @ ( or @ sK30_X @ sK31_SY84 ) @ sK32_SY86 ) ) ) )
          | or_3 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[229]) ).

thf(265,plain,
    ( ( ~ ( ~ or_3
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX2 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[229]) ).

thf(266,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK24_X @ sK25_SY81 ) @ ( implies @ ( implies @ sK25_SY81 @ sK24_X ) @ ( equiv @ sK24_X @ sK25_SY81 ) ) ) )
          | equivalence_3 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[230]) ).

thf(267,plain,
    ( ( ~ ( ~ equivalence_3
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX0 ) @ ( equiv @ SX0 @ SX1 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[230]) ).

thf(268,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK23_P @ ( and @ sK23_P @ sK23_P ) ) )
          | kn1 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[231]) ).

thf(269,plain,
    ( ( ~ ( ~ kn1
          | ! [SX0: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( and @ SX0 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[231]) ).

thf(270,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK2_SY65 @ sK3_SY67 ) @ ( implies @ ( or @ sK1_P @ sK2_SY65 ) @ ( or @ sK1_P @ sK3_SY67 ) ) ) )
          | r5 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[232]) ).

thf(271,plain,
    ( ( ~ ( ~ r5
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX0 @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[232]) ).

thf(272,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( and @ sK41_X @ sK42_SY91 ) @ sK41_X ) )
          | and_1 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[233]) ).

thf(273,plain,
    ( ( ~ ( ~ and_1
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[233]) ).

thf(274,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( and @ sK21_P @ sK22_SY80 ) @ sK21_P ) )
          | kn2 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[234]) ).

thf(275,plain,
    ( ( ~ ( ~ kn2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[234]) ).

thf(276,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( or @ sK4_P @ ( or @ sK5_SY68 @ sK6_SY70 ) ) @ ( or @ sK5_SY68 @ ( or @ sK4_P @ sK6_SY70 ) ) ) )
          | r4 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[235]) ).

thf(277,plain,
    ( ( ~ ( ~ r4
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ ( or @ SX1 @ SX2 ) ) @ ( or @ SX1 @ ( or @ SX0 @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[235]) ).

thf(278,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK26_X @ sK27_SY82 ) @ ( implies @ sK27_SY82 @ sK26_X ) ) )
          | equivalence_2 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[236]) ).

thf(279,plain,
    ( ( ~ ( ~ equivalence_2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[236]) ).

thf(280,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK10_SY72 @ ( or @ sK9_P @ sK10_SY72 ) ) )
          | r2 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[237]) ).

thf(281,plain,
    ( ( ~ ( ~ r2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[237]) ).

thf(282,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK37_X @ ( implies @ sK38_SY89 @ ( and @ sK37_X @ sK38_SY89 ) ) ) )
          | and_3 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[238]) ).

thf(283,plain,
    ( ( ~ ( ~ and_3
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ ( and @ SX0 @ SX1 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[238]) ).

thf(284,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK18_P @ sK19_SY77 ) @ ( implies @ ( not @ ( and @ sK19_SY77 @ sK20_SY79 ) ) @ ( not @ ( and @ sK20_SY79 @ sK18_P ) ) ) ) )
          | kn3 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[239]) ).

thf(285,plain,
    ( ( ~ ( ~ kn3
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( not @ ( and @ SX1 @ SX2 ) ) @ ( not @ ( and @ SX2 @ SX0 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[239]) ).

thf(286,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK46_X @ ( implies @ sK46_X @ sK47_SY95 ) ) @ ( implies @ sK46_X @ sK47_SY95 ) ) )
          | implies_2 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[240]) ).

thf(287,plain,
    ( ( ~ ( ~ implies_2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ ( implies @ SX0 @ SX1 ) ) @ ( implies @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[240]) ).

thf(288,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK51_SY97 ) @ ( not @ sK50_X ) ) @ ( implies @ sK50_X @ sK51_SY97 ) ) )
          | modus_tollens ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[241]) ).

thf(289,plain,
    ( ( ~ ( ~ modus_tollens
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX1 ) @ ( not @ SX0 ) ) @ ( implies @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[241]) ).

thf(290,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( or @ sK11_P @ sK11_P ) @ sK11_P ) )
          | r1 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[242]) ).

thf(291,plain,
    ( ( ~ ( ~ r1
          | ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX0 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[242]) ).

thf(292,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK34_SY87 @ ( or @ sK33_X @ sK34_SY87 ) ) )
          | or_2 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[243]) ).

thf(293,plain,
    ( ( ~ ( ~ or_2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[243]) ).

thf(294,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK48_X @ ( implies @ sK49_SY96 @ sK48_X ) ) )
          | implies_1 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[244]) ).

thf(295,plain,
    ( ( ~ ( ~ implies_1
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[244]) ).

thf(296,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ sK13_P @ ( implies @ ( not @ sK13_P ) @ sK14_SY73 ) ) )
          | cn2 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[245]) ).

thf(297,plain,
    ( ( ~ ( ~ cn2
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ ( not @ SX0 ) @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[245]) ).

thf(298,plain,
    ( ( ~ ~ ( ~ ( sK57_REN
                | modus_ponens )
            | ~ ( ~ sK57_REN
                | ~ ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
                          | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
                    | ~ ~ ( is_a_theorem @ sK56_SY99 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[246]) ).

thf(299,plain,
    ( ( ~ ( ~ modus_ponens
          | ! [SX0: $i,SX1: $i] :
              ( ~ ( is_a_theorem @ SX0 )
              | ~ ( is_a_theorem @ ( implies @ SX0 @ SX1 ) )
              | ( is_a_theorem @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[246]) ).

thf(300,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK12_P ) @ sK12_P ) @ sK12_P ) )
          | cn3 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[247]) ).

thf(301,plain,
    ( ( ~ ( ~ cn3
          | ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX0 ) @ SX0 ) @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[247]) ).

thf(302,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK28_X @ sK29_SY83 ) @ ( implies @ sK28_X @ sK29_SY83 ) ) )
          | equivalence_1 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[248]) ).

thf(303,plain,
    ( ( ~ ( ~ equivalence_1
          | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX0 @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[248]) ).

thf(304,plain,
    ( ( ~ ~ ( ~ ( sK54_REN
                | substitution_of_equivalents )
            | ~ ( ~ sK54_REN
                | ~ ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
                    | ~ ( ( sK52_X != sK53_SY98 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[249]) ).

thf(305,plain,
    ( ( ~ ( ~ substitution_of_equivalents
          | ! [SX0: $i,SX1: $i] :
              ( ~ ( is_a_theorem @ ( equiv @ SX0 @ SX1 ) )
              | ( SX0 = SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[249]) ).

thf(306,plain,
    ( ( ~ ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK43_X @ sK44_SY92 ) @ ( implies @ ( implies @ sK44_SY92 @ sK45_SY94 ) @ ( implies @ sK43_X @ sK45_SY94 ) ) ) )
          | implies_3 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[250]) ).

thf(307,plain,
    ( ( ~ ( ~ implies_3
          | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[250]) ).

thf(308,plain,
    ! [SV1: $i] :
      ( ( ( ! [SY100: $i] :
              ( ( or @ SV1 @ SY100 )
              = ( not @ ( and @ ( not @ SV1 ) @ ( not @ SY100 ) ) ) ) )
        = $true )
      | ( op_or = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[251]) ).

thf(309,plain,
    ! [SV2: $i] :
      ( ( ( ! [SY101: $i] :
              ( ( and @ SV2 @ SY101 )
              = ( not @ ( or @ ( not @ SV2 ) @ ( not @ SY101 ) ) ) ) )
        = $true )
      | ( op_and = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[252]) ).

thf(310,plain,
    ! [SV3: $i] :
      ( ( ( ! [SY102: $i] :
              ( ( implies @ SV3 @ SY102 )
              = ( not @ ( and @ SV3 @ ( not @ SY102 ) ) ) ) )
        = $true )
      | ( op_implies_and = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[253]) ).

thf(311,plain,
    ! [SV4: $i] :
      ( ( ( ! [SY103: $i] :
              ( ( implies @ SV4 @ SY103 )
              = ( or @ ( not @ SV4 ) @ SY103 ) ) )
        = $true )
      | ( op_implies_or = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[254]) ).

thf(312,plain,
    ! [SV5: $i] :
      ( ( ( ! [SY104: $i] :
              ( ( equiv @ SV5 @ SY104 )
              = ( and @ ( implies @ SV5 @ SY104 ) @ ( implies @ SY104 @ SV5 ) ) ) )
        = $true )
      | ( op_equiv = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[255]) ).

thf(313,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ sK35_X @ ( or @ sK35_X @ sK36_SY88 ) ) )
      | or_1 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[256]) ).

thf(314,plain,
    ( ( ~ or_1
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( or @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[257]) ).

thf(315,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK7_P @ sK8_SY71 ) @ ( or @ sK8_SY71 @ sK7_P ) ) )
      | r3 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[258]) ).

thf(316,plain,
    ( ( ~ r3
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[259]) ).

thf(317,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK39_X @ sK40_SY90 ) @ sK40_SY90 ) )
      | and_2 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[260]) ).

thf(318,plain,
    ( ( ~ and_2
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[261]) ).

thf(319,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK15_P @ sK16_SY74 ) @ ( implies @ ( implies @ sK16_SY74 @ sK17_SY76 ) @ ( implies @ sK15_P @ sK17_SY76 ) ) ) )
      | cn1 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[262]) ).

thf(320,plain,
    ( ( ~ cn1
      | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[263]) ).

thf(321,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK30_X @ sK32_SY86 ) @ ( implies @ ( implies @ sK31_SY84 @ sK32_SY86 ) @ ( implies @ ( or @ sK30_X @ sK31_SY84 ) @ sK32_SY86 ) ) ) )
      | or_3 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[264]) ).

thf(322,plain,
    ( ( ~ or_3
      | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX2 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ SX2 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[265]) ).

thf(323,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK24_X @ sK25_SY81 ) @ ( implies @ ( implies @ sK25_SY81 @ sK24_X ) @ ( equiv @ sK24_X @ sK25_SY81 ) ) ) )
      | equivalence_3 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[266]) ).

thf(324,plain,
    ( ( ~ equivalence_3
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX0 ) @ ( equiv @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[267]) ).

thf(325,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ sK23_P @ ( and @ sK23_P @ sK23_P ) ) )
      | kn1 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[268]) ).

thf(326,plain,
    ( ( ~ kn1
      | ! [SX0: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( and @ SX0 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[269]) ).

thf(327,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK2_SY65 @ sK3_SY67 ) @ ( implies @ ( or @ sK1_P @ sK2_SY65 ) @ ( or @ sK1_P @ sK3_SY67 ) ) ) )
      | r5 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[270]) ).

thf(328,plain,
    ( ( ~ r5
      | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[271]) ).

thf(329,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK41_X @ sK42_SY91 ) @ sK41_X ) )
      | and_1 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[272]) ).

thf(330,plain,
    ( ( ~ and_1
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[273]) ).

thf(331,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK21_P @ sK22_SY80 ) @ sK21_P ) )
      | kn2 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[274]) ).

thf(332,plain,
    ( ( ~ kn2
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[275]) ).

thf(333,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK4_P @ ( or @ sK5_SY68 @ sK6_SY70 ) ) @ ( or @ sK5_SY68 @ ( or @ sK4_P @ sK6_SY70 ) ) ) )
      | r4 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[276]) ).

thf(334,plain,
    ( ( ~ r4
      | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ ( or @ SX1 @ SX2 ) ) @ ( or @ SX1 @ ( or @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[277]) ).

thf(335,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK26_X @ sK27_SY82 ) @ ( implies @ sK27_SY82 @ sK26_X ) ) )
      | equivalence_2 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[278]) ).

thf(336,plain,
    ( ( ~ equivalence_2
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[279]) ).

thf(337,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ sK10_SY72 @ ( or @ sK9_P @ sK10_SY72 ) ) )
      | r2 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[280]) ).

thf(338,plain,
    ( ( ~ r2
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[281]) ).

thf(339,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ sK37_X @ ( implies @ sK38_SY89 @ ( and @ sK37_X @ sK38_SY89 ) ) ) )
      | and_3 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[282]) ).

thf(340,plain,
    ( ( ~ and_3
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ ( and @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[283]) ).

thf(341,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK18_P @ sK19_SY77 ) @ ( implies @ ( not @ ( and @ sK19_SY77 @ sK20_SY79 ) ) @ ( not @ ( and @ sK20_SY79 @ sK18_P ) ) ) ) )
      | kn3 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[284]) ).

thf(342,plain,
    ( ( ~ kn3
      | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( not @ ( and @ SX1 @ SX2 ) ) @ ( not @ ( and @ SX2 @ SX0 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[285]) ).

thf(343,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK46_X @ ( implies @ sK46_X @ sK47_SY95 ) ) @ ( implies @ sK46_X @ sK47_SY95 ) ) )
      | implies_2 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[286]) ).

thf(344,plain,
    ( ( ~ implies_2
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ ( implies @ SX0 @ SX1 ) ) @ ( implies @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[287]) ).

thf(345,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK51_SY97 ) @ ( not @ sK50_X ) ) @ ( implies @ sK50_X @ sK51_SY97 ) ) )
      | modus_tollens )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[288]) ).

thf(346,plain,
    ( ( ~ modus_tollens
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX1 ) @ ( not @ SX0 ) ) @ ( implies @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[289]) ).

thf(347,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK11_P @ sK11_P ) @ sK11_P ) )
      | r1 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[290]) ).

thf(348,plain,
    ( ( ~ r1
      | ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX0 ) @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[291]) ).

thf(349,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ sK34_SY87 @ ( or @ sK33_X @ sK34_SY87 ) ) )
      | or_2 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[292]) ).

thf(350,plain,
    ( ( ~ or_2
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[293]) ).

thf(351,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ sK48_X @ ( implies @ sK49_SY96 @ sK48_X ) ) )
      | implies_1 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[294]) ).

thf(352,plain,
    ( ( ~ implies_1
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[295]) ).

thf(353,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ sK13_P @ ( implies @ ( not @ sK13_P ) @ sK14_SY73 ) ) )
      | cn2 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[296]) ).

thf(354,plain,
    ( ( ~ cn2
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ ( not @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[297]) ).

thf(355,plain,
    ( ( ~ ( ~ ( sK57_REN
              | modus_ponens )
          | ~ ( ~ sK57_REN
              | ~ ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
                        | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
                  | ~ ~ ( is_a_theorem @ sK56_SY99 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[298]) ).

thf(356,plain,
    ( ( ~ modus_ponens
      | ! [SX0: $i,SX1: $i] :
          ( ~ ( is_a_theorem @ SX0 )
          | ~ ( is_a_theorem @ ( implies @ SX0 @ SX1 ) )
          | ( is_a_theorem @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[299]) ).

thf(357,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK12_P ) @ sK12_P ) @ sK12_P ) )
      | cn3 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[300]) ).

thf(358,plain,
    ( ( ~ cn3
      | ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX0 ) @ SX0 ) @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[301]) ).

thf(359,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK28_X @ sK29_SY83 ) @ ( implies @ sK28_X @ sK29_SY83 ) ) )
      | equivalence_1 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[302]) ).

thf(360,plain,
    ( ( ~ equivalence_1
      | ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[303]) ).

thf(361,plain,
    ( ( ~ ( ~ ( sK54_REN
              | substitution_of_equivalents )
          | ~ ( ~ sK54_REN
              | ~ ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
                  | ~ ( ( sK52_X != sK53_SY98 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[304]) ).

thf(362,plain,
    ( ( ~ substitution_of_equivalents
      | ! [SX0: $i,SX1: $i] :
          ( ~ ( is_a_theorem @ ( equiv @ SX0 @ SX1 ) )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[305]) ).

thf(363,plain,
    ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK43_X @ sK44_SY92 ) @ ( implies @ ( implies @ sK44_SY92 @ sK45_SY94 ) @ ( implies @ sK43_X @ sK45_SY94 ) ) ) )
      | implies_3 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[306]) ).

thf(364,plain,
    ( ( ~ implies_3
      | ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[307]) ).

thf(365,plain,
    ! [SV6: $i,SV1: $i] :
      ( ( ( ( or @ SV1 @ SV6 )
          = ( not @ ( and @ ( not @ SV1 ) @ ( not @ SV6 ) ) ) )
        = $true )
      | ( op_or = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[308]) ).

thf(366,plain,
    ! [SV7: $i,SV2: $i] :
      ( ( ( ( and @ SV2 @ SV7 )
          = ( not @ ( or @ ( not @ SV2 ) @ ( not @ SV7 ) ) ) )
        = $true )
      | ( op_and = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[309]) ).

thf(367,plain,
    ! [SV8: $i,SV3: $i] :
      ( ( ( ( implies @ SV3 @ SV8 )
          = ( not @ ( and @ SV3 @ ( not @ SV8 ) ) ) )
        = $true )
      | ( op_implies_and = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[310]) ).

thf(368,plain,
    ! [SV9: $i,SV4: $i] :
      ( ( ( ( implies @ SV4 @ SV9 )
          = ( or @ ( not @ SV4 ) @ SV9 ) )
        = $true )
      | ( op_implies_or = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[311]) ).

thf(369,plain,
    ! [SV10: $i,SV5: $i] :
      ( ( ( ( equiv @ SV5 @ SV10 )
          = ( and @ ( implies @ SV5 @ SV10 ) @ ( implies @ SV10 @ SV5 ) ) )
        = $true )
      | ( op_equiv = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[312]) ).

thf(370,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK35_X @ ( or @ sK35_X @ sK36_SY88 ) ) ) )
      = $true )
    | ( or_1 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[313]) ).

thf(371,plain,
    ( ( ( ~ or_1 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( or @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[314]) ).

thf(372,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK7_P @ sK8_SY71 ) @ ( or @ sK8_SY71 @ sK7_P ) ) ) )
      = $true )
    | ( r3 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[315]) ).

thf(373,plain,
    ( ( ( ~ r3 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX1 @ SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[316]) ).

thf(374,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK39_X @ sK40_SY90 ) @ sK40_SY90 ) ) )
      = $true )
    | ( and_2 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[317]) ).

thf(375,plain,
    ( ( ( ~ and_2 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX1 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[318]) ).

thf(376,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK15_P @ sK16_SY74 ) @ ( implies @ ( implies @ sK16_SY74 @ sK17_SY76 ) @ ( implies @ sK15_P @ sK17_SY76 ) ) ) ) )
      = $true )
    | ( cn1 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[319]) ).

thf(377,plain,
    ( ( ( ~ cn1 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[320]) ).

thf(378,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK30_X @ sK32_SY86 ) @ ( implies @ ( implies @ sK31_SY84 @ sK32_SY86 ) @ ( implies @ ( or @ sK30_X @ sK31_SY84 ) @ sK32_SY86 ) ) ) ) )
      = $true )
    | ( or_3 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[321]) ).

thf(379,plain,
    ( ( ( ~ or_3 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX2 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[322]) ).

thf(380,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK24_X @ sK25_SY81 ) @ ( implies @ ( implies @ sK25_SY81 @ sK24_X ) @ ( equiv @ sK24_X @ sK25_SY81 ) ) ) ) )
      = $true )
    | ( equivalence_3 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[323]) ).

thf(381,plain,
    ( ( ( ~ equivalence_3 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX0 ) @ ( equiv @ SX0 @ SX1 ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[324]) ).

thf(382,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK23_P @ ( and @ sK23_P @ sK23_P ) ) ) )
      = $true )
    | ( kn1 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[325]) ).

thf(383,plain,
    ( ( ( ~ kn1 )
      = $true )
    | ( ( ! [SX0: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( and @ SX0 @ SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[326]) ).

thf(384,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK2_SY65 @ sK3_SY67 ) @ ( implies @ ( or @ sK1_P @ sK2_SY65 ) @ ( or @ sK1_P @ sK3_SY67 ) ) ) ) )
      = $true )
    | ( r5 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[327]) ).

thf(385,plain,
    ( ( ( ~ r5 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX0 @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[328]) ).

thf(386,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK41_X @ sK42_SY91 ) @ sK41_X ) ) )
      = $true )
    | ( and_1 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[329]) ).

thf(387,plain,
    ( ( ( ~ and_1 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[330]) ).

thf(388,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( and @ sK21_P @ sK22_SY80 ) @ sK21_P ) ) )
      = $true )
    | ( kn2 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[331]) ).

thf(389,plain,
    ( ( ( ~ kn2 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[332]) ).

thf(390,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK4_P @ ( or @ sK5_SY68 @ sK6_SY70 ) ) @ ( or @ sK5_SY68 @ ( or @ sK4_P @ sK6_SY70 ) ) ) ) )
      = $true )
    | ( r4 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[333]) ).

thf(391,plain,
    ( ( ( ~ r4 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ ( or @ SX1 @ SX2 ) ) @ ( or @ SX1 @ ( or @ SX0 @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[334]) ).

thf(392,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK26_X @ sK27_SY82 ) @ ( implies @ sK27_SY82 @ sK26_X ) ) ) )
      = $true )
    | ( equivalence_2 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[335]) ).

thf(393,plain,
    ( ( ( ~ equivalence_2 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX1 @ SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[336]) ).

thf(394,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK10_SY72 @ ( or @ sK9_P @ sK10_SY72 ) ) ) )
      = $true )
    | ( r2 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[337]) ).

thf(395,plain,
    ( ( ( ~ r2 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[338]) ).

thf(396,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK37_X @ ( implies @ sK38_SY89 @ ( and @ sK37_X @ sK38_SY89 ) ) ) ) )
      = $true )
    | ( and_3 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[339]) ).

thf(397,plain,
    ( ( ( ~ and_3 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ ( and @ SX0 @ SX1 ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[340]) ).

thf(398,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK18_P @ sK19_SY77 ) @ ( implies @ ( not @ ( and @ sK19_SY77 @ sK20_SY79 ) ) @ ( not @ ( and @ sK20_SY79 @ sK18_P ) ) ) ) ) )
      = $true )
    | ( kn3 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[341]) ).

thf(399,plain,
    ( ( ( ~ kn3 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( not @ ( and @ SX1 @ SX2 ) ) @ ( not @ ( and @ SX2 @ SX0 ) ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[342]) ).

thf(400,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK46_X @ ( implies @ sK46_X @ sK47_SY95 ) ) @ ( implies @ sK46_X @ sK47_SY95 ) ) ) )
      = $true )
    | ( implies_2 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[343]) ).

thf(401,plain,
    ( ( ( ~ implies_2 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ ( implies @ SX0 @ SX1 ) ) @ ( implies @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[344]) ).

thf(402,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK51_SY97 ) @ ( not @ sK50_X ) ) @ ( implies @ sK50_X @ sK51_SY97 ) ) ) )
      = $true )
    | ( modus_tollens = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[345]) ).

thf(403,plain,
    ( ( ( ~ modus_tollens )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX1 ) @ ( not @ SX0 ) ) @ ( implies @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[346]) ).

thf(404,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( or @ sK11_P @ sK11_P ) @ sK11_P ) ) )
      = $true )
    | ( r1 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[347]) ).

thf(405,plain,
    ( ( ( ~ r1 )
      = $true )
    | ( ( ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX0 ) @ SX0 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[348]) ).

thf(406,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK34_SY87 @ ( or @ sK33_X @ sK34_SY87 ) ) ) )
      = $true )
    | ( or_2 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[349]) ).

thf(407,plain,
    ( ( ( ~ or_2 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[350]) ).

thf(408,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK48_X @ ( implies @ sK49_SY96 @ sK48_X ) ) ) )
      = $true )
    | ( implies_1 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[351]) ).

thf(409,plain,
    ( ( ( ~ implies_1 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[352]) ).

thf(410,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK13_P @ ( implies @ ( not @ sK13_P ) @ sK14_SY73 ) ) ) )
      = $true )
    | ( cn2 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[353]) ).

thf(411,plain,
    ( ( ( ~ cn2 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ ( not @ SX0 ) @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[354]) ).

thf(412,plain,
    ( ( ~ ( sK57_REN
          | modus_ponens )
      | ~ ( ~ sK57_REN
          | ~ ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
                    | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
              | ~ ~ ( is_a_theorem @ sK56_SY99 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[355]) ).

thf(413,plain,
    ( ( ( ~ modus_ponens )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] :
            ( ~ ( is_a_theorem @ SX0 )
            | ~ ( is_a_theorem @ ( implies @ SX0 @ SX1 ) )
            | ( is_a_theorem @ SX1 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[356]) ).

thf(414,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK12_P ) @ sK12_P ) @ sK12_P ) ) )
      = $true )
    | ( cn3 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[357]) ).

thf(415,plain,
    ( ( ( ~ cn3 )
      = $true )
    | ( ( ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX0 ) @ SX0 ) @ SX0 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[358]) ).

thf(416,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( equiv @ sK28_X @ sK29_SY83 ) @ ( implies @ sK28_X @ sK29_SY83 ) ) ) )
      = $true )
    | ( equivalence_1 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[359]) ).

thf(417,plain,
    ( ( ( ~ equivalence_1 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[360]) ).

thf(418,plain,
    ( ( ~ ( sK54_REN
          | substitution_of_equivalents )
      | ~ ( ~ sK54_REN
          | ~ ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
              | ~ ( ( sK52_X != sK53_SY98 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[361]) ).

thf(419,plain,
    ( ( ( ~ substitution_of_equivalents )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i] :
            ( ~ ( is_a_theorem @ ( equiv @ SX0 @ SX1 ) )
            | ( SX0 = SX1 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[362]) ).

thf(420,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ ( implies @ sK43_X @ sK44_SY92 ) @ ( implies @ ( implies @ sK44_SY92 @ sK45_SY94 ) @ ( implies @ sK43_X @ sK45_SY94 ) ) ) ) )
      = $true )
    | ( implies_3 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[363]) ).

thf(421,plain,
    ( ( ( ~ implies_3 )
      = $true )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[364]) ).

thf(422,plain,
    ( ( ( is_a_theorem @ ( implies @ sK35_X @ ( or @ sK35_X @ sK36_SY88 ) ) )
      = $false )
    | ( or_1 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[370]) ).

thf(423,plain,
    ( ( or_1 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( or @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[371]) ).

thf(424,plain,
    ( ( ( is_a_theorem @ ( implies @ ( or @ sK7_P @ sK8_SY71 ) @ ( or @ sK8_SY71 @ sK7_P ) ) )
      = $false )
    | ( r3 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[372]) ).

thf(425,plain,
    ( ( r3 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX1 @ SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[373]) ).

thf(426,plain,
    ( ( ( is_a_theorem @ ( implies @ ( and @ sK39_X @ sK40_SY90 ) @ sK40_SY90 ) )
      = $false )
    | ( and_2 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[374]) ).

thf(427,plain,
    ( ( and_2 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX1 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[375]) ).

thf(428,plain,
    ( ( ( is_a_theorem @ ( implies @ ( implies @ sK15_P @ sK16_SY74 ) @ ( implies @ ( implies @ sK16_SY74 @ sK17_SY76 ) @ ( implies @ sK15_P @ sK17_SY76 ) ) ) )
      = $false )
    | ( cn1 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[376]) ).

thf(429,plain,
    ( ( cn1 = $false )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[377]) ).

thf(430,plain,
    ( ( ( is_a_theorem @ ( implies @ ( implies @ sK30_X @ sK32_SY86 ) @ ( implies @ ( implies @ sK31_SY84 @ sK32_SY86 ) @ ( implies @ ( or @ sK30_X @ sK31_SY84 ) @ sK32_SY86 ) ) ) )
      = $false )
    | ( or_3 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[378]) ).

thf(431,plain,
    ( ( or_3 = $false )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX2 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[379]) ).

thf(432,plain,
    ( ( ( is_a_theorem @ ( implies @ ( implies @ sK24_X @ sK25_SY81 ) @ ( implies @ ( implies @ sK25_SY81 @ sK24_X ) @ ( equiv @ sK24_X @ sK25_SY81 ) ) ) )
      = $false )
    | ( equivalence_3 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[380]) ).

thf(433,plain,
    ( ( equivalence_3 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX0 ) @ ( equiv @ SX0 @ SX1 ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[381]) ).

thf(434,plain,
    ( ( ( is_a_theorem @ ( implies @ sK23_P @ ( and @ sK23_P @ sK23_P ) ) )
      = $false )
    | ( kn1 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[382]) ).

thf(435,plain,
    ( ( kn1 = $false )
    | ( ( ! [SX0: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( and @ SX0 @ SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[383]) ).

thf(436,plain,
    ( ( ( is_a_theorem @ ( implies @ ( implies @ sK2_SY65 @ sK3_SY67 ) @ ( implies @ ( or @ sK1_P @ sK2_SY65 ) @ ( or @ sK1_P @ sK3_SY67 ) ) ) )
      = $false )
    | ( r5 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[384]) ).

thf(437,plain,
    ( ( r5 = $false )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ ( or @ SX0 @ SX1 ) @ ( or @ SX0 @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[385]) ).

thf(438,plain,
    ( ( ( is_a_theorem @ ( implies @ ( and @ sK41_X @ sK42_SY91 ) @ sK41_X ) )
      = $false )
    | ( and_1 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[386]) ).

thf(439,plain,
    ( ( and_1 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[387]) ).

thf(440,plain,
    ( ( ( is_a_theorem @ ( implies @ ( and @ sK21_P @ sK22_SY80 ) @ sK21_P ) )
      = $false )
    | ( kn2 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[388]) ).

thf(441,plain,
    ( ( kn2 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( and @ SX0 @ SX1 ) @ SX0 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[389]) ).

thf(442,plain,
    ( ( ( is_a_theorem @ ( implies @ ( or @ sK4_P @ ( or @ sK5_SY68 @ sK6_SY70 ) ) @ ( or @ sK5_SY68 @ ( or @ sK4_P @ sK6_SY70 ) ) ) )
      = $false )
    | ( r4 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[390]) ).

thf(443,plain,
    ( ( r4 = $false )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ ( or @ SX1 @ SX2 ) ) @ ( or @ SX1 @ ( or @ SX0 @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[391]) ).

thf(444,plain,
    ( ( ( is_a_theorem @ ( implies @ ( equiv @ sK26_X @ sK27_SY82 ) @ ( implies @ sK27_SY82 @ sK26_X ) ) )
      = $false )
    | ( equivalence_2 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[392]) ).

thf(445,plain,
    ( ( equivalence_2 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX1 @ SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[393]) ).

thf(446,plain,
    ( ( ( is_a_theorem @ ( implies @ sK10_SY72 @ ( or @ sK9_P @ sK10_SY72 ) ) )
      = $false )
    | ( r2 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[394]) ).

thf(447,plain,
    ( ( r2 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[395]) ).

thf(448,plain,
    ( ( ( is_a_theorem @ ( implies @ sK37_X @ ( implies @ sK38_SY89 @ ( and @ sK37_X @ sK38_SY89 ) ) ) )
      = $false )
    | ( and_3 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[396]) ).

thf(449,plain,
    ( ( and_3 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ ( and @ SX0 @ SX1 ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[397]) ).

thf(450,plain,
    ( ( ( is_a_theorem @ ( implies @ ( implies @ sK18_P @ sK19_SY77 ) @ ( implies @ ( not @ ( and @ sK19_SY77 @ sK20_SY79 ) ) @ ( not @ ( and @ sK20_SY79 @ sK18_P ) ) ) ) )
      = $false )
    | ( kn3 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[398]) ).

thf(451,plain,
    ( ( kn3 = $false )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( not @ ( and @ SX1 @ SX2 ) ) @ ( not @ ( and @ SX2 @ SX0 ) ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[399]) ).

thf(452,plain,
    ( ( ( is_a_theorem @ ( implies @ ( implies @ sK46_X @ ( implies @ sK46_X @ sK47_SY95 ) ) @ ( implies @ sK46_X @ sK47_SY95 ) ) )
      = $false )
    | ( implies_2 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[400]) ).

thf(453,plain,
    ( ( implies_2 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ ( implies @ SX0 @ SX1 ) ) @ ( implies @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[401]) ).

thf(454,plain,
    ( ( ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK51_SY97 ) @ ( not @ sK50_X ) ) @ ( implies @ sK50_X @ sK51_SY97 ) ) )
      = $false )
    | ( modus_tollens = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[402]) ).

thf(455,plain,
    ( ( modus_tollens = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX1 ) @ ( not @ SX0 ) ) @ ( implies @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[403]) ).

thf(456,plain,
    ( ( ( is_a_theorem @ ( implies @ ( or @ sK11_P @ sK11_P ) @ sK11_P ) )
      = $false )
    | ( r1 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[404]) ).

thf(457,plain,
    ( ( r1 = $false )
    | ( ( ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( or @ SX0 @ SX0 ) @ SX0 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[405]) ).

thf(458,plain,
    ( ( ( is_a_theorem @ ( implies @ sK34_SY87 @ ( or @ sK33_X @ sK34_SY87 ) ) )
      = $false )
    | ( or_2 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[406]) ).

thf(459,plain,
    ( ( or_2 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX1 @ ( or @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[407]) ).

thf(460,plain,
    ( ( ( is_a_theorem @ ( implies @ sK48_X @ ( implies @ sK49_SY96 @ sK48_X ) ) )
      = $false )
    | ( implies_1 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[408]) ).

thf(461,plain,
    ( ( implies_1 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ SX1 @ SX0 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[409]) ).

thf(462,plain,
    ( ( ( is_a_theorem @ ( implies @ sK13_P @ ( implies @ ( not @ sK13_P ) @ sK14_SY73 ) ) )
      = $false )
    | ( cn2 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[410]) ).

thf(463,plain,
    ( ( cn2 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ SX0 @ ( implies @ ( not @ SX0 ) @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[411]) ).

thf(464,plain,
    ( ( ~ ( sK57_REN
          | modus_ponens ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[412]) ).

thf(465,plain,
    ( ( ~ ( ~ sK57_REN
          | ~ ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
                    | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
              | ~ ~ ( is_a_theorem @ sK56_SY99 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[412]) ).

thf(466,plain,
    ( ( modus_ponens = $false )
    | ( ( ! [SX0: $i,SX1: $i] :
            ( ~ ( is_a_theorem @ SX0 )
            | ~ ( is_a_theorem @ ( implies @ SX0 @ SX1 ) )
            | ( is_a_theorem @ SX1 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[413]) ).

thf(467,plain,
    ( ( ( is_a_theorem @ ( implies @ ( implies @ ( not @ sK12_P ) @ sK12_P ) @ sK12_P ) )
      = $false )
    | ( cn3 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[414]) ).

thf(468,plain,
    ( ( cn3 = $false )
    | ( ( ! [SX0: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SX0 ) @ SX0 ) @ SX0 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[415]) ).

thf(469,plain,
    ( ( ( is_a_theorem @ ( implies @ ( equiv @ sK28_X @ sK29_SY83 ) @ ( implies @ sK28_X @ sK29_SY83 ) ) )
      = $false )
    | ( equivalence_1 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[416]) ).

thf(470,plain,
    ( ( equivalence_1 = $false )
    | ( ( ! [SX0: $i,SX1: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SX0 @ SX1 ) @ ( implies @ SX0 @ SX1 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[417]) ).

thf(471,plain,
    ( ( ~ ( sK54_REN
          | substitution_of_equivalents ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[418]) ).

thf(472,plain,
    ( ( ~ ( ~ sK54_REN
          | ~ ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
              | ~ ( ( sK52_X != sK53_SY98 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[418]) ).

thf(473,plain,
    ( ( substitution_of_equivalents = $false )
    | ( ( ! [SX0: $i,SX1: $i] :
            ( ~ ( is_a_theorem @ ( equiv @ SX0 @ SX1 ) )
            | ( SX0 = SX1 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[419]) ).

thf(474,plain,
    ( ( ( is_a_theorem @ ( implies @ ( implies @ sK43_X @ sK44_SY92 ) @ ( implies @ ( implies @ sK44_SY92 @ sK45_SY94 ) @ ( implies @ sK43_X @ sK45_SY94 ) ) ) )
      = $false )
    | ( implies_3 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[420]) ).

thf(475,plain,
    ( ( implies_3 = $false )
    | ( ( ! [SX0: $i,SX1: $i,SX2: $i] : ( is_a_theorem @ ( implies @ ( implies @ SX0 @ SX1 ) @ ( implies @ ( implies @ SX1 @ SX2 ) @ ( implies @ SX0 @ SX2 ) ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[421]) ).

thf(476,plain,
    ! [SV11: $i] :
      ( ( ( ! [SY105: $i] : ( is_a_theorem @ ( implies @ SV11 @ ( or @ SV11 @ SY105 ) ) ) )
        = $true )
      | ( or_1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[423]) ).

thf(477,plain,
    ! [SV12: $i] :
      ( ( ( ! [SY106: $i] : ( is_a_theorem @ ( implies @ ( or @ SV12 @ SY106 ) @ ( or @ SY106 @ SV12 ) ) ) )
        = $true )
      | ( r3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[425]) ).

thf(478,plain,
    ! [SV13: $i] :
      ( ( ( ! [SY107: $i] : ( is_a_theorem @ ( implies @ ( and @ SV13 @ SY107 ) @ SY107 ) ) )
        = $true )
      | ( and_2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[427]) ).

thf(479,plain,
    ! [SV14: $i] :
      ( ( ( ! [SY108: $i,SY109: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV14 @ SY108 ) @ ( implies @ ( implies @ SY108 @ SY109 ) @ ( implies @ SV14 @ SY109 ) ) ) ) )
        = $true )
      | ( cn1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[429]) ).

thf(480,plain,
    ! [SV15: $i] :
      ( ( ( ! [SY110: $i,SY111: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV15 @ SY111 ) @ ( implies @ ( implies @ SY110 @ SY111 ) @ ( implies @ ( or @ SV15 @ SY110 ) @ SY111 ) ) ) ) )
        = $true )
      | ( or_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[431]) ).

thf(481,plain,
    ! [SV16: $i] :
      ( ( ( ! [SY112: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV16 @ SY112 ) @ ( implies @ ( implies @ SY112 @ SV16 ) @ ( equiv @ SV16 @ SY112 ) ) ) ) )
        = $true )
      | ( equivalence_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[433]) ).

thf(482,plain,
    ! [SV17: $i] :
      ( ( ( is_a_theorem @ ( implies @ SV17 @ ( and @ SV17 @ SV17 ) ) )
        = $true )
      | ( kn1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[435]) ).

thf(483,plain,
    ! [SV18: $i] :
      ( ( ( ! [SY113: $i,SY114: $i] : ( is_a_theorem @ ( implies @ ( implies @ SY113 @ SY114 ) @ ( implies @ ( or @ SV18 @ SY113 ) @ ( or @ SV18 @ SY114 ) ) ) ) )
        = $true )
      | ( r5 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[437]) ).

thf(484,plain,
    ! [SV19: $i] :
      ( ( ( ! [SY115: $i] : ( is_a_theorem @ ( implies @ ( and @ SV19 @ SY115 ) @ SV19 ) ) )
        = $true )
      | ( and_1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[439]) ).

thf(485,plain,
    ! [SV20: $i] :
      ( ( ( ! [SY116: $i] : ( is_a_theorem @ ( implies @ ( and @ SV20 @ SY116 ) @ SV20 ) ) )
        = $true )
      | ( kn2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[441]) ).

thf(486,plain,
    ! [SV21: $i] :
      ( ( ( ! [SY117: $i,SY118: $i] : ( is_a_theorem @ ( implies @ ( or @ SV21 @ ( or @ SY117 @ SY118 ) ) @ ( or @ SY117 @ ( or @ SV21 @ SY118 ) ) ) ) )
        = $true )
      | ( r4 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[443]) ).

thf(487,plain,
    ! [SV22: $i] :
      ( ( ( ! [SY119: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SV22 @ SY119 ) @ ( implies @ SY119 @ SV22 ) ) ) )
        = $true )
      | ( equivalence_2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[445]) ).

thf(488,plain,
    ! [SV23: $i] :
      ( ( ( ! [SY120: $i] : ( is_a_theorem @ ( implies @ SY120 @ ( or @ SV23 @ SY120 ) ) ) )
        = $true )
      | ( r2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[447]) ).

thf(489,plain,
    ! [SV24: $i] :
      ( ( ( ! [SY121: $i] : ( is_a_theorem @ ( implies @ SV24 @ ( implies @ SY121 @ ( and @ SV24 @ SY121 ) ) ) ) )
        = $true )
      | ( and_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[449]) ).

thf(490,plain,
    ! [SV25: $i] :
      ( ( ( ! [SY122: $i,SY123: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV25 @ SY122 ) @ ( implies @ ( not @ ( and @ SY122 @ SY123 ) ) @ ( not @ ( and @ SY123 @ SV25 ) ) ) ) ) )
        = $true )
      | ( kn3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[451]) ).

thf(491,plain,
    ! [SV26: $i] :
      ( ( ( ! [SY124: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV26 @ ( implies @ SV26 @ SY124 ) ) @ ( implies @ SV26 @ SY124 ) ) ) )
        = $true )
      | ( implies_2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[453]) ).

thf(492,plain,
    ! [SV27: $i] :
      ( ( ( ! [SY125: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ SY125 ) @ ( not @ SV27 ) ) @ ( implies @ SV27 @ SY125 ) ) ) )
        = $true )
      | ( modus_tollens = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[455]) ).

thf(493,plain,
    ! [SV28: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( or @ SV28 @ SV28 ) @ SV28 ) )
        = $true )
      | ( r1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[457]) ).

thf(494,plain,
    ! [SV29: $i] :
      ( ( ( ! [SY126: $i] : ( is_a_theorem @ ( implies @ SY126 @ ( or @ SV29 @ SY126 ) ) ) )
        = $true )
      | ( or_2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[459]) ).

thf(495,plain,
    ! [SV30: $i] :
      ( ( ( ! [SY127: $i] : ( is_a_theorem @ ( implies @ SV30 @ ( implies @ SY127 @ SV30 ) ) ) )
        = $true )
      | ( implies_1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[461]) ).

thf(496,plain,
    ! [SV31: $i] :
      ( ( ( ! [SY128: $i] : ( is_a_theorem @ ( implies @ SV31 @ ( implies @ ( not @ SV31 ) @ SY128 ) ) ) )
        = $true )
      | ( cn2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[463]) ).

thf(497,plain,
    ( ( sK57_REN
      | modus_ponens )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[464]) ).

thf(498,plain,
    ( ( ~ sK57_REN
      | ~ ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
                | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
          | ~ ~ ( is_a_theorem @ sK56_SY99 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[465]) ).

thf(499,plain,
    ! [SV32: $i] :
      ( ( ( ! [SY129: $i] :
              ( ~ ( is_a_theorem @ SV32 )
              | ~ ( is_a_theorem @ ( implies @ SV32 @ SY129 ) )
              | ( is_a_theorem @ SY129 ) ) )
        = $true )
      | ( modus_ponens = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[466]) ).

thf(500,plain,
    ! [SV33: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( implies @ ( not @ SV33 ) @ SV33 ) @ SV33 ) )
        = $true )
      | ( cn3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[468]) ).

thf(501,plain,
    ! [SV34: $i] :
      ( ( ( ! [SY130: $i] : ( is_a_theorem @ ( implies @ ( equiv @ SV34 @ SY130 ) @ ( implies @ SV34 @ SY130 ) ) ) )
        = $true )
      | ( equivalence_1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[470]) ).

thf(502,plain,
    ( ( sK54_REN
      | substitution_of_equivalents )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[471]) ).

thf(503,plain,
    ( ( ~ sK54_REN
      | ~ ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
          | ~ ( ( sK52_X != sK53_SY98 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[472]) ).

thf(504,plain,
    ! [SV35: $i] :
      ( ( ( ! [SY131: $i] :
              ( ~ ( is_a_theorem @ ( equiv @ SV35 @ SY131 ) )
              | ( SV35 = SY131 ) ) )
        = $true )
      | ( substitution_of_equivalents = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[473]) ).

thf(505,plain,
    ! [SV36: $i] :
      ( ( ( ! [SY132: $i,SY133: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV36 @ SY132 ) @ ( implies @ ( implies @ SY132 @ SY133 ) @ ( implies @ SV36 @ SY133 ) ) ) ) )
        = $true )
      | ( implies_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[475]) ).

thf(506,plain,
    ! [SV37: $i,SV11: $i] :
      ( ( ( is_a_theorem @ ( implies @ SV11 @ ( or @ SV11 @ SV37 ) ) )
        = $true )
      | ( or_1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[476]) ).

thf(507,plain,
    ! [SV38: $i,SV12: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( or @ SV12 @ SV38 ) @ ( or @ SV38 @ SV12 ) ) )
        = $true )
      | ( r3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[477]) ).

thf(508,plain,
    ! [SV39: $i,SV13: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( and @ SV13 @ SV39 ) @ SV39 ) )
        = $true )
      | ( and_2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[478]) ).

thf(509,plain,
    ! [SV40: $i,SV14: $i] :
      ( ( ( ! [SY134: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV14 @ SV40 ) @ ( implies @ ( implies @ SV40 @ SY134 ) @ ( implies @ SV14 @ SY134 ) ) ) ) )
        = $true )
      | ( cn1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[479]) ).

thf(510,plain,
    ! [SV41: $i,SV15: $i] :
      ( ( ( ! [SY135: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV15 @ SY135 ) @ ( implies @ ( implies @ SV41 @ SY135 ) @ ( implies @ ( or @ SV15 @ SV41 ) @ SY135 ) ) ) ) )
        = $true )
      | ( or_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[480]) ).

thf(511,plain,
    ! [SV42: $i,SV16: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( implies @ SV16 @ SV42 ) @ ( implies @ ( implies @ SV42 @ SV16 ) @ ( equiv @ SV16 @ SV42 ) ) ) )
        = $true )
      | ( equivalence_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[481]) ).

thf(512,plain,
    ! [SV18: $i,SV43: $i] :
      ( ( ( ! [SY136: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV43 @ SY136 ) @ ( implies @ ( or @ SV18 @ SV43 ) @ ( or @ SV18 @ SY136 ) ) ) ) )
        = $true )
      | ( r5 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[483]) ).

thf(513,plain,
    ! [SV44: $i,SV19: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( and @ SV19 @ SV44 ) @ SV19 ) )
        = $true )
      | ( and_1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[484]) ).

thf(514,plain,
    ! [SV45: $i,SV20: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( and @ SV20 @ SV45 ) @ SV20 ) )
        = $true )
      | ( kn2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[485]) ).

thf(515,plain,
    ! [SV46: $i,SV21: $i] :
      ( ( ( ! [SY137: $i] : ( is_a_theorem @ ( implies @ ( or @ SV21 @ ( or @ SV46 @ SY137 ) ) @ ( or @ SV46 @ ( or @ SV21 @ SY137 ) ) ) ) )
        = $true )
      | ( r4 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[486]) ).

thf(516,plain,
    ! [SV47: $i,SV22: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( equiv @ SV22 @ SV47 ) @ ( implies @ SV47 @ SV22 ) ) )
        = $true )
      | ( equivalence_2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[487]) ).

thf(517,plain,
    ! [SV23: $i,SV48: $i] :
      ( ( ( is_a_theorem @ ( implies @ SV48 @ ( or @ SV23 @ SV48 ) ) )
        = $true )
      | ( r2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[488]) ).

thf(518,plain,
    ! [SV49: $i,SV24: $i] :
      ( ( ( is_a_theorem @ ( implies @ SV24 @ ( implies @ SV49 @ ( and @ SV24 @ SV49 ) ) ) )
        = $true )
      | ( and_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[489]) ).

thf(519,plain,
    ! [SV50: $i,SV25: $i] :
      ( ( ( ! [SY138: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV25 @ SV50 ) @ ( implies @ ( not @ ( and @ SV50 @ SY138 ) ) @ ( not @ ( and @ SY138 @ SV25 ) ) ) ) ) )
        = $true )
      | ( kn3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[490]) ).

thf(520,plain,
    ! [SV51: $i,SV26: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( implies @ SV26 @ ( implies @ SV26 @ SV51 ) ) @ ( implies @ SV26 @ SV51 ) ) )
        = $true )
      | ( implies_2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[491]) ).

thf(521,plain,
    ! [SV27: $i,SV52: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( implies @ ( not @ SV52 ) @ ( not @ SV27 ) ) @ ( implies @ SV27 @ SV52 ) ) )
        = $true )
      | ( modus_tollens = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[492]) ).

thf(522,plain,
    ! [SV29: $i,SV53: $i] :
      ( ( ( is_a_theorem @ ( implies @ SV53 @ ( or @ SV29 @ SV53 ) ) )
        = $true )
      | ( or_2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[494]) ).

thf(523,plain,
    ! [SV54: $i,SV30: $i] :
      ( ( ( is_a_theorem @ ( implies @ SV30 @ ( implies @ SV54 @ SV30 ) ) )
        = $true )
      | ( implies_1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[495]) ).

thf(524,plain,
    ! [SV55: $i,SV31: $i] :
      ( ( ( is_a_theorem @ ( implies @ SV31 @ ( implies @ ( not @ SV31 ) @ SV55 ) ) )
        = $true )
      | ( cn2 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[496]) ).

thf(525,plain,
    ( ( sK57_REN = $true )
    | ( modus_ponens = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[497]) ).

thf(526,plain,
    ( ( ( ~ sK57_REN )
      = $true )
    | ( ( ~ ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
                  | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
            | ~ ~ ( is_a_theorem @ sK56_SY99 ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[498]) ).

thf(527,plain,
    ! [SV56: $i,SV32: $i] :
      ( ( ( ~ ( is_a_theorem @ SV32 )
          | ~ ( is_a_theorem @ ( implies @ SV32 @ SV56 ) )
          | ( is_a_theorem @ SV56 ) )
        = $true )
      | ( modus_ponens = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[499]) ).

thf(528,plain,
    ! [SV57: $i,SV34: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( equiv @ SV34 @ SV57 ) @ ( implies @ SV34 @ SV57 ) ) )
        = $true )
      | ( equivalence_1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[501]) ).

thf(529,plain,
    ( ( sK54_REN = $true )
    | ( substitution_of_equivalents = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[502]) ).

thf(530,plain,
    ( ( ( ~ sK54_REN )
      = $true )
    | ( ( ~ ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
            | ~ ( ( sK52_X != sK53_SY98 ) ) ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[503]) ).

thf(531,plain,
    ! [SV58: $i,SV35: $i] :
      ( ( ( ~ ( is_a_theorem @ ( equiv @ SV35 @ SV58 ) )
          | ( SV35 = SV58 ) )
        = $true )
      | ( substitution_of_equivalents = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[504]) ).

thf(532,plain,
    ! [SV59: $i,SV36: $i] :
      ( ( ( ! [SY139: $i] : ( is_a_theorem @ ( implies @ ( implies @ SV36 @ SV59 ) @ ( implies @ ( implies @ SV59 @ SY139 ) @ ( implies @ SV36 @ SY139 ) ) ) ) )
        = $true )
      | ( implies_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[505]) ).

thf(533,plain,
    ! [SV60: $i,SV40: $i,SV14: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( implies @ SV14 @ SV40 ) @ ( implies @ ( implies @ SV40 @ SV60 ) @ ( implies @ SV14 @ SV60 ) ) ) )
        = $true )
      | ( cn1 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[509]) ).

thf(534,plain,
    ! [SV41: $i,SV61: $i,SV15: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( implies @ SV15 @ SV61 ) @ ( implies @ ( implies @ SV41 @ SV61 ) @ ( implies @ ( or @ SV15 @ SV41 ) @ SV61 ) ) ) )
        = $true )
      | ( or_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[510]) ).

thf(535,plain,
    ! [SV18: $i,SV62: $i,SV43: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( implies @ SV43 @ SV62 ) @ ( implies @ ( or @ SV18 @ SV43 ) @ ( or @ SV18 @ SV62 ) ) ) )
        = $true )
      | ( r5 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[512]) ).

thf(536,plain,
    ! [SV63: $i,SV46: $i,SV21: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( or @ SV21 @ ( or @ SV46 @ SV63 ) ) @ ( or @ SV46 @ ( or @ SV21 @ SV63 ) ) ) )
        = $true )
      | ( r4 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[515]) ).

thf(537,plain,
    ! [SV64: $i,SV50: $i,SV25: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( implies @ SV25 @ SV50 ) @ ( implies @ ( not @ ( and @ SV50 @ SV64 ) ) @ ( not @ ( and @ SV64 @ SV25 ) ) ) ) )
        = $true )
      | ( kn3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[519]) ).

thf(538,plain,
    ( ( sK57_REN = $false )
    | ( ( ~ ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
                  | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
            | ~ ~ ( is_a_theorem @ sK56_SY99 ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[526]) ).

thf(539,plain,
    ! [SV56: $i,SV32: $i] :
      ( ( ( ~ ( is_a_theorem @ SV32 )
          | ~ ( is_a_theorem @ ( implies @ SV32 @ SV56 ) ) )
        = $true )
      | ( ( is_a_theorem @ SV56 )
        = $true )
      | ( modus_ponens = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[527]) ).

thf(540,plain,
    ( ( sK54_REN = $false )
    | ( ( ~ ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
            | ~ ( ( sK52_X != sK53_SY98 ) ) ) )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[530]) ).

thf(541,plain,
    ! [SV58: $i,SV35: $i] :
      ( ( ( ~ ( is_a_theorem @ ( equiv @ SV35 @ SV58 ) ) )
        = $true )
      | ( ( SV35 = SV58 )
        = $true )
      | ( substitution_of_equivalents = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[531]) ).

thf(542,plain,
    ! [SV65: $i,SV59: $i,SV36: $i] :
      ( ( ( is_a_theorem @ ( implies @ ( implies @ SV36 @ SV59 ) @ ( implies @ ( implies @ SV59 @ SV65 ) @ ( implies @ SV36 @ SV65 ) ) ) )
        = $true )
      | ( implies_3 = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[532]) ).

thf(543,plain,
    ( ( ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
              | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
        | ~ ~ ( is_a_theorem @ sK56_SY99 ) )
      = $false )
    | ( sK57_REN = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[538]) ).

thf(544,plain,
    ! [SV56: $i,SV32: $i] :
      ( ( ( ~ ( is_a_theorem @ SV32 ) )
        = $true )
      | ( ( ~ ( is_a_theorem @ ( implies @ SV32 @ SV56 ) ) )
        = $true )
      | ( ( is_a_theorem @ SV56 )
        = $true )
      | ( modus_ponens = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[539]) ).

thf(545,plain,
    ( ( ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
        | ~ ( ( sK52_X != sK53_SY98 ) ) )
      = $false )
    | ( sK54_REN = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[540]) ).

thf(546,plain,
    ! [SV58: $i,SV35: $i] :
      ( ( ( is_a_theorem @ ( equiv @ SV35 @ SV58 ) )
        = $false )
      | ( ( SV35 = SV58 )
        = $true )
      | ( substitution_of_equivalents = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[541]) ).

thf(547,plain,
    ( ( ( ~ ~ ( ~ ( is_a_theorem @ sK55_X )
              | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) ) )
      = $false )
    | ( sK57_REN = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[543]) ).

thf(548,plain,
    ( ( ( ~ ~ ( is_a_theorem @ sK56_SY99 ) )
      = $false )
    | ( sK57_REN = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[543]) ).

thf(549,plain,
    ! [SV56: $i,SV32: $i] :
      ( ( ( is_a_theorem @ SV32 )
        = $false )
      | ( ( ~ ( is_a_theorem @ ( implies @ SV32 @ SV56 ) ) )
        = $true )
      | ( ( is_a_theorem @ SV56 )
        = $true )
      | ( modus_ponens = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[544]) ).

thf(550,plain,
    ( ( ( ~ ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) ) )
      = $false )
    | ( sK54_REN = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[545]) ).

thf(551,plain,
    ( ( ( ~ ( ( sK52_X != sK53_SY98 ) ) )
      = $false )
    | ( sK54_REN = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[545]) ).

thf(552,plain,
    ( ( ( ~ ( ~ ( is_a_theorem @ sK55_X )
            | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) ) )
      = $true )
    | ( sK57_REN = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[547]) ).

thf(553,plain,
    ( ( ( ~ ( is_a_theorem @ sK56_SY99 ) )
      = $true )
    | ( sK57_REN = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[548]) ).

thf(554,plain,
    ! [SV56: $i,SV32: $i] :
      ( ( ( is_a_theorem @ ( implies @ SV32 @ SV56 ) )
        = $false )
      | ( ( is_a_theorem @ SV32 )
        = $false )
      | ( ( is_a_theorem @ SV56 )
        = $true )
      | ( modus_ponens = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[549]) ).

thf(555,plain,
    ( ( ( is_a_theorem @ ( equiv @ sK52_X @ sK53_SY98 ) )
      = $true )
    | ( sK54_REN = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[550]) ).

thf(556,plain,
    ( ( ( ( sK52_X != sK53_SY98 ) )
      = $true )
    | ( sK54_REN = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[551]) ).

thf(557,plain,
    ( ( ( ~ ( is_a_theorem @ sK55_X )
        | ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
      = $false )
    | ( sK57_REN = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[552]) ).

thf(558,plain,
    ( ( ( is_a_theorem @ sK56_SY99 )
      = $false )
    | ( sK57_REN = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[553]) ).

thf(559,plain,
    ( ( ( sK52_X = sK53_SY98 )
      = $false )
    | ( sK54_REN = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[556]) ).

thf(560,plain,
    ( ( ( ~ ( is_a_theorem @ sK55_X ) )
      = $false )
    | ( sK57_REN = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[557]) ).

thf(561,plain,
    ( ( ( ~ ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) ) )
      = $false )
    | ( sK57_REN = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[557]) ).

thf(562,plain,
    ( ( ( is_a_theorem @ sK55_X )
      = $true )
    | ( sK57_REN = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[560]) ).

thf(563,plain,
    ( ( ( is_a_theorem @ ( implies @ sK55_X @ sK56_SY99 ) )
      = $true )
    | ( sK57_REN = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[561]) ).

thf(564,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[171,563,562,559,558,555,554,546,542,537,536,535,534,533,529,528,525,524,523,522,521,520,518,517,516,514,513,511,508,507,506,500,493,482,474,469,467,462,460,458,456,454,452,450,448,446,444,442,440,438,436,434,432,430,428,426,424,422,369,368,367,366,365,224,191,190,189,188,187,186,185,184,183,182,181,180,179,178,177,176,175,174,173,172]) ).

thf(565,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[564]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : LCL452+1 : TPTP v8.1.0. Released v3.3.0.
% 0.10/0.12  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.12/0.33  % Computer : n027.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jul  4 23:52:11 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.36  
% 0.12/0.36   No.of.Axioms: 52
% 0.12/0.36  
% 0.12/0.36   Length.of.Defs: 0
% 0.12/0.36  
% 0.12/0.36   Contains.Choice.Funs: false
% 0.12/0.36  .
% 0.12/0.37  (rf:0,axioms:52,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:600,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:54,loop_count:0,foatp_calls:0,translation:fof_full)............................
% 0.19/0.57  
% 0.19/0.57  ********************************
% 0.19/0.57  *   All subproblems solved!    *
% 0.19/0.57  ********************************
% 0.19/0.57  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:52,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:564,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.46/0.64  
% 0.46/0.64  %**** Beginning of derivation protocol ****
% 0.46/0.64  % SZS output start CNFRefutation
% See solution above
% 0.46/0.65  
% 0.46/0.65  %**** End of derivation protocol ****
% 0.46/0.65  %**** no. of clauses in derivation: 565 ****
% 0.46/0.65  %**** clause counter: 564 ****
% 0.46/0.65  
% 0.46/0.65  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:52,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:564,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------