TSTP Solution File: SEU203+1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU203+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 : n028.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 : Tue Jul 19 12:08:06 EDT 2022

% Result   : Theorem 5.27s 5.49s
% Output   : CNFRefutation 5.42s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   25
%            Number of leaves      :   56
% Syntax   : Number of formulae    :  549 ( 282 unt;  25 typ;   0 def)
%            Number of atoms       : 3730 (1203 equ;   0 cnn)
%            Maximal formula atoms :    5 (   7 avg)
%            Number of connectives : 7936 (1305   ~;1186   |;  83   &;5319   @)
%                                         (  15 <=>;  28  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   32 (  32   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   28 (  25 usr;  11 con; 0-4 aty)
%            Number of variables   : 1201 (   0   ^1176   !;  25   ?;1201   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_element,type,
    element: $i > $i > $o ).

thf(tp_empty,type,
    empty: $i > $o ).

thf(tp_empty_set,type,
    empty_set: $i ).

thf(tp_in,type,
    in: $i > $i > $o ).

thf(tp_ordered_pair,type,
    ordered_pair: $i > $i > $i ).

thf(tp_relation,type,
    relation: $i > $o ).

thf(tp_relation_dom,type,
    relation_dom: $i > $i ).

thf(tp_relation_image,type,
    relation_image: $i > $i > $i ).

thf(tp_sK10_D,type,
    sK10_D: $i > $i > $i > $i ).

thf(tp_sK11_C,type,
    sK11_C: $i > $i > $i ).

thf(tp_sK12_SY49,type,
    sK12_SY49: $i > $i > $i ).

thf(tp_sK13_E,type,
    sK13_E: $i > $i > $i > $i > $i ).

thf(tp_sK14_D,type,
    sK14_D: $i > $i > $i > $i ).

thf(tp_sK15_SY51,type,
    sK15_SY51: $i > $i > $i > $i ).

thf(tp_sK1_A,type,
    sK1_A: $i ).

thf(tp_sK2_SY42,type,
    sK2_SY42: $i ).

thf(tp_sK3_SY45,type,
    sK3_SY45: $i ).

thf(tp_sK4_SY47,type,
    sK4_SY47: $i ).

thf(tp_sK5_A,type,
    sK5_A: $i ).

thf(tp_sK6_A,type,
    sK6_A: $i ).

thf(tp_sK7_A,type,
    sK7_A: $i ).

thf(tp_sK8_A,type,
    sK8_A: $i ).

thf(tp_sK9_B,type,
    sK9_B: $i > $i ).

thf(tp_singleton,type,
    singleton: $i > $i ).

thf(tp_unordered_pair,type,
    unordered_pair: $i > $i > $i ).

thf(1,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( empty @ A )
        & ( A != B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t8_boole) ).

thf(2,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t7_boole) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t6_boole) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ( ( element @ A @ B )
     => ( ( empty @ B )
        | ( in @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_subset) ).

thf(5,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ( element @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_subset) ).

thf(6,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(7,axiom,
    ? [A: $i] :
      ( ~ ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc2_relat_1) ).

thf(8,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(9,axiom,
    ? [A: $i] :
      ( ( empty @ A )
      & ( relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_relat_1) ).

thf(10,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( ( empty @ ( relation_dom @ A ) )
        & ( relation @ ( relation_dom @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc7_relat_1) ).

thf(11,axiom,
    ! [A: $i] :
      ( ( ~ ( empty @ A )
        & ( relation @ A ) )
     => ~ ( empty @ ( relation_dom @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc5_relat_1) ).

thf(12,axiom,
    ( ( empty @ empty_set )
    & ( relation @ empty_set ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc4_relat_1) ).

thf(13,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( unordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc3_subset_1) ).

thf(14,axiom,
    ! [A: $i] :
      ~ ( empty @ ( singleton @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc2_subset_1) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ~ ( empty @ ( ordered_pair @ A @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_zfmisc_1) ).

thf(16,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(17,axiom,
    ! [A: $i] :
    ? [B: $i] : ( element @ B @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_m1_subset_1) ).

thf(18,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_m1_subset_1) ).

thf(19,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k9_relat_1) ).

thf(20,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k4_tarski) ).

thf(21,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k2_tarski) ).

thf(22,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(23,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_tarski) ).

thf(24,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_relat_1) ).

thf(25,axiom,
    ! [A: $i,B: $i] :
      ( ( ordered_pair @ A @ B )
      = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_tarski) ).

thf(26,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i] :
          ( ( B
            = ( relation_dom @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_relat_1) ).

thf(27,axiom,
    ! [A: $i] :
      ( ( relation @ A )
     => ! [B: $i,C: $i] :
          ( ( C
            = ( relation_image @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i] :
                  ( ( in @ ( ordered_pair @ E @ D ) @ A )
                  & ( in @ E @ B ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d13_relat_1) ).

thf(28,axiom,
    ! [A: $i,B: $i] :
      ( ( unordered_pair @ A @ B )
      = ( unordered_pair @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

thf(29,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( relation @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cc1_relat_1) ).

thf(30,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(31,conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ( relation @ C )
     => ( ( in @ A @ ( relation_image @ C @ B ) )
      <=> ? [D: $i] :
            ( ( in @ D @ ( relation_dom @ C ) )
            & ( in @ ( ordered_pair @ D @ A ) @ C )
            & ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t143_relat_1) ).

thf(32,negated_conjecture,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_image @ C @ B ) )
          <=> ? [D: $i] :
                ( ( in @ D @ ( relation_dom @ C ) )
                & ( in @ ( ordered_pair @ D @ A ) @ C )
                & ( in @ D @ B ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[31]) ).

thf(33,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( relation @ C )
         => ( ( in @ A @ ( relation_image @ C @ B ) )
          <=> ? [D: $i] :
                ( ( in @ D @ ( relation_dom @ C ) )
                & ( in @ ( ordered_pair @ D @ A ) @ C )
                & ( in @ D @ B ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[32]) ).

thf(34,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( empty @ A )
            & ( A != B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(35,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(36,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(37,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( element @ A @ B )
         => ( ( empty @ B )
            | ( in @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(38,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ( element @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(39,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(40,plain,
    ( ( ? [A: $i] :
          ( ~ ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(41,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(42,plain,
    ( ( ? [A: $i] :
          ( ( empty @ A )
          & ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(43,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( ( empty @ ( relation_dom @ A ) )
            & ( relation @ ( relation_dom @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(44,plain,
    ( ( ! [A: $i] :
          ( ( ~ ( empty @ A )
            & ( relation @ A ) )
         => ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(45,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(46,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(47,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(48,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(49,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(50,plain,
    ( ( ! [A: $i] :
        ? [B: $i] : ( element @ B @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(51,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[18]) ).

thf(52,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[19]) ).

thf(53,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[20]) ).

thf(54,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[21]) ).

thf(55,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[22]) ).

thf(56,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[23]) ).

thf(57,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[24]) ).

thf(58,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(59,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i] :
              ( ( B
                = ( relation_dom @ A ) )
            <=> ! [C: $i] :
                  ( ( in @ C @ B )
                <=> ? [D: $i] : ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(60,plain,
    ( ( ! [A: $i] :
          ( ( relation @ A )
         => ! [B: $i,C: $i] :
              ( ( C
                = ( relation_image @ A @ B ) )
            <=> ! [D: $i] :
                  ( ( in @ D @ C )
                <=> ? [E: $i] :
                      ( ( in @ ( ordered_pair @ E @ D ) @ A )
                      & ( in @ E @ B ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[27]) ).

thf(61,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[28]) ).

thf(62,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( relation @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(63,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(64,plain,
    ( ( ! [SY42: $i,SY43: $i] :
          ( ( relation @ SY43 )
         => ( ( in @ sK1_A @ ( relation_image @ SY43 @ SY42 ) )
          <=> ? [SY44: $i] :
                ( ( in @ SY44 @ ( relation_dom @ SY43 ) )
                & ( in @ ( ordered_pair @ SY44 @ sK1_A ) @ SY43 )
                & ( in @ SY44 @ SY42 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[33]) ).

thf(65,plain,
    ( ( ! [SY45: $i] :
          ( ( relation @ SY45 )
         => ( ( in @ sK1_A @ ( relation_image @ SY45 @ sK2_SY42 ) )
          <=> ? [SY46: $i] :
                ( ( in @ SY46 @ ( relation_dom @ SY45 ) )
                & ( in @ ( ordered_pair @ SY46 @ sK1_A ) @ SY45 )
                & ( in @ SY46 @ sK2_SY42 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[64]) ).

thf(66,plain,
    ( ( ( relation @ sK3_SY45 )
     => ( ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
      <=> ? [SY47: $i] :
            ( ( in @ SY47 @ ( relation_dom @ sK3_SY45 ) )
            & ( in @ ( ordered_pair @ SY47 @ sK1_A ) @ sK3_SY45 )
            & ( in @ SY47 @ sK2_SY42 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[65]) ).

thf(67,plain,
    ( ( relation @ sK3_SY45 )
    = $true ),
    inference(standard_cnf,[status(thm)],[66]) ).

thf(68,plain,
    ( ( ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
    <=> ? [SY47: $i] :
          ( ( in @ SY47 @ ( relation_dom @ sK3_SY45 ) )
          & ( in @ ( ordered_pair @ SY47 @ sK1_A ) @ sK3_SY45 )
          & ( in @ SY47 @ sK2_SY42 ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[66]) ).

thf(69,plain,
    ( ( ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
     => ? [SY47: $i] :
          ( ( in @ SY47 @ ( relation_dom @ sK3_SY45 ) )
          & ( in @ ( ordered_pair @ SY47 @ sK1_A ) @ sK3_SY45 )
          & ( in @ SY47 @ sK2_SY42 ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[68]) ).

thf(70,plain,
    ( ( ? [SY47: $i] :
          ( ( in @ SY47 @ ( relation_dom @ sK3_SY45 ) )
          & ( in @ ( ordered_pair @ SY47 @ sK1_A ) @ sK3_SY45 )
          & ( in @ SY47 @ sK2_SY42 ) )
     => ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[68]) ).

thf(71,plain,
    ( ( ~ ( ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
         => ? [SY47: $i] :
              ( ( in @ SY47 @ ( relation_dom @ sK3_SY45 ) )
              & ( in @ ( ordered_pair @ SY47 @ sK1_A ) @ sK3_SY45 )
              & ( in @ SY47 @ sK2_SY42 ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[69]) ).

thf(72,plain,
    ( ( ~ ( ? [SY47: $i] :
              ( ( in @ SY47 @ ( relation_dom @ sK3_SY45 ) )
              & ( in @ ( ordered_pair @ SY47 @ sK1_A ) @ sK3_SY45 )
              & ( in @ SY47 @ sK2_SY42 ) )
         => ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[70]) ).

thf(73,plain,
    ( ( ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
      & ! [SY47: $i] :
          ( ~ ( in @ SY47 @ ( relation_dom @ sK3_SY45 ) )
          | ~ ( in @ ( ordered_pair @ SY47 @ sK1_A ) @ sK3_SY45 )
          | ~ ( in @ SY47 @ sK2_SY42 ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[71]) ).

thf(74,plain,
    ( ( ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
      & ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 )
      & ( in @ sK4_SY47 @ sK2_SY42 )
      & ~ ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[72]) ).

thf(75,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[34]) ).

thf(76,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[35]) ).

thf(77,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[36]) ).

thf(78,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[37]) ).

thf(79,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[38]) ).

thf(80,plain,
    ( ( ~ ( empty @ sK5_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[39]) ).

thf(81,plain,
    ( ( ~ ( empty @ sK6_A )
      & ( relation @ sK6_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[40]) ).

thf(82,plain,
    ( ( empty @ sK7_A )
    = $true ),
    inference(extcnf_combined,[status(esa)],[41]) ).

thf(83,plain,
    ( ( ( empty @ sK8_A )
      & ( relation @ sK8_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[42]) ).

thf(84,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_dom @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[43]) ).

thf(85,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[44]) ).

thf(86,plain,
    ( ( ! [A: $i] : ( element @ ( sK9_B @ A ) @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[50]) ).

thf(87,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY48: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK11_C @ B @ A ) @ SY48 ) @ A )
                    | ~ ( in @ ( sK11_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK11_C @ B @ A ) @ ( sK12_SY49 @ B @ A ) ) @ A )
                    | ( in @ ( sK11_C @ B @ A ) @ B ) ) )
                | ( B
                  = ( relation_dom @ A ) ) )
            & ! [B: $i] :
                ( ( B
                 != ( relation_dom @ A ) )
                | ( ! [C: $i] :
                      ( ! [D: $i] :
                          ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                      | ( in @ C @ B ) )
                  & ! [C: $i] :
                      ( ~ ( in @ C @ B )
                      | ( in @ ( ordered_pair @ C @ ( sK10_D @ C @ B @ A ) ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[59]) ).

thf(88,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ( ( ! [SY50: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY50 @ ( sK14_D @ C @ B @ A ) ) @ A )
                        | ~ ( in @ SY50 @ B ) )
                    | ~ ( in @ ( sK14_D @ C @ B @ A ) @ C ) )
                  & ( ( ( in @ ( ordered_pair @ ( sK15_SY51 @ C @ B @ A ) @ ( sK14_D @ C @ B @ A ) ) @ A )
                      & ( in @ ( sK15_SY51 @ C @ B @ A ) @ B ) )
                    | ( in @ ( sK14_D @ C @ B @ A ) @ C ) ) )
                | ( C
                  = ( relation_image @ A @ B ) ) )
            & ! [B: $i,C: $i] :
                ( ( C
                 != ( relation_image @ A @ B ) )
                | ( ! [D: $i] :
                      ( ! [E: $i] :
                          ( ~ ( in @ ( ordered_pair @ E @ D ) @ A )
                          | ~ ( in @ E @ B ) )
                      | ( in @ D @ C ) )
                  & ! [D: $i] :
                      ( ~ ( in @ D @ C )
                      | ( ( in @ ( ordered_pair @ ( sK13_E @ D @ C @ B @ A ) @ D ) @ A )
                        & ( in @ ( sK13_E @ D @ C @ B @ A ) @ B ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[60]) ).

thf(89,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[62]) ).

thf(90,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[63]) ).

thf(91,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[90]) ).

thf(92,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[89]) ).

thf(93,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[61]) ).

thf(94,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ( ( ! [SY50: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY50 @ ( sK14_D @ C @ B @ A ) ) @ A )
                        | ~ ( in @ SY50 @ B ) )
                    | ~ ( in @ ( sK14_D @ C @ B @ A ) @ C ) )
                  & ( ( ( in @ ( ordered_pair @ ( sK15_SY51 @ C @ B @ A ) @ ( sK14_D @ C @ B @ A ) ) @ A )
                      & ( in @ ( sK15_SY51 @ C @ B @ A ) @ B ) )
                    | ( in @ ( sK14_D @ C @ B @ A ) @ C ) ) )
                | ( C
                  = ( relation_image @ A @ B ) ) )
            & ! [B: $i,C: $i] :
                ( ( C
                 != ( relation_image @ A @ B ) )
                | ( ! [D: $i] :
                      ( ! [E: $i] :
                          ( ~ ( in @ ( ordered_pair @ E @ D ) @ A )
                          | ~ ( in @ E @ B ) )
                      | ( in @ D @ C ) )
                  & ! [D: $i] :
                      ( ~ ( in @ D @ C )
                      | ( ( in @ ( ordered_pair @ ( sK13_E @ D @ C @ B @ A ) @ D ) @ A )
                        & ( in @ ( sK13_E @ D @ C @ B @ A ) @ B ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[88]) ).

thf(95,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY48: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK11_C @ B @ A ) @ SY48 ) @ A )
                    | ~ ( in @ ( sK11_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK11_C @ B @ A ) @ ( sK12_SY49 @ B @ A ) ) @ A )
                    | ( in @ ( sK11_C @ B @ A ) @ B ) ) )
                | ( B
                  = ( relation_dom @ A ) ) )
            & ! [B: $i] :
                ( ( B
                 != ( relation_dom @ A ) )
                | ( ! [C: $i] :
                      ( ! [D: $i] :
                          ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                      | ( in @ C @ B ) )
                  & ! [C: $i] :
                      ( ~ ( in @ C @ B )
                      | ( in @ ( ordered_pair @ C @ ( sK10_D @ C @ B @ A ) ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[87]) ).

thf(96,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[58]) ).

thf(97,plain,
    $true = $true,
    inference(copy,[status(thm)],[57]) ).

thf(98,plain,
    $true = $true,
    inference(copy,[status(thm)],[56]) ).

thf(99,plain,
    $true = $true,
    inference(copy,[status(thm)],[55]) ).

thf(100,plain,
    $true = $true,
    inference(copy,[status(thm)],[54]) ).

thf(101,plain,
    $true = $true,
    inference(copy,[status(thm)],[53]) ).

thf(102,plain,
    $true = $true,
    inference(copy,[status(thm)],[52]) ).

thf(103,plain,
    $true = $true,
    inference(copy,[status(thm)],[51]) ).

thf(104,plain,
    ( ( ! [A: $i] : ( element @ ( sK9_B @ A ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[86]) ).

thf(105,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[49]) ).

thf(106,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[48]) ).

thf(107,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[47]) ).

thf(108,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[46]) ).

thf(109,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[45]) ).

thf(110,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[85]) ).

thf(111,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_dom @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[84]) ).

thf(112,plain,
    ( ( ( empty @ sK8_A )
      & ( relation @ sK8_A ) )
    = $true ),
    inference(copy,[status(thm)],[83]) ).

thf(113,plain,
    ( ( empty @ sK7_A )
    = $true ),
    inference(copy,[status(thm)],[82]) ).

thf(114,plain,
    ( ( ~ ( empty @ sK6_A )
      & ( relation @ sK6_A ) )
    = $true ),
    inference(copy,[status(thm)],[81]) ).

thf(115,plain,
    ( ( ~ ( empty @ sK5_A ) )
    = $true ),
    inference(copy,[status(thm)],[80]) ).

thf(116,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[79]) ).

thf(117,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[78]) ).

thf(118,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[77]) ).

thf(119,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[76]) ).

thf(120,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[75]) ).

thf(121,plain,
    ( ( relation @ sK3_SY45 )
    = $true ),
    inference(copy,[status(thm)],[67]) ).

thf(122,plain,
    ( ( ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
      & ! [SY47: $i] :
          ( ~ ( in @ SY47 @ ( relation_dom @ sK3_SY45 ) )
          | ~ ( in @ ( ordered_pair @ SY47 @ sK1_A ) @ sK3_SY45 )
          | ~ ( in @ SY47 @ sK2_SY42 ) ) )
    = $true ),
    inference(copy,[status(thm)],[73]) ).

thf(123,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ~ ( ! [SX2: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK11_C @ SX1 @ SX0 ) @ SX2 ) @ SX0 )
                            | ~ ( in @ ( sK11_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SX1 @ SX0 ) @ ( sK12_SY49 @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( sK11_C @ SX1 @ SX0 ) @ SX1 ) ) )
                    | ( SX1
                      = ( relation_dom @ SX0 ) ) )
              | ~ ! [SX1: $i] :
                    ( ( SX1
                     != ( relation_dom @ SX0 ) )
                    | ~ ( ~ ! [SX2: $i] :
                              ( ! [SX3: $i] :
                                  ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                              | ( in @ SX2 @ SX1 ) )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SX1 )
                              | ( in @ ( ordered_pair @ SX2 @ ( sK10_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[95]) ).

thf(124,plain,
    ( ( ~ ( ~ ~ ( empty @ sK6_A )
          | ~ ( relation @ sK6_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[114]) ).

thf(125,plain,
    ( ( ~ ( ~ ( empty @ sK8_A )
          | ~ ( relation @ sK8_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[112]) ).

thf(126,plain,
    ( ( ~ ( ~ ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( in @ SX0 @ ( relation_dom @ sK3_SY45 ) )
                | ~ ( in @ ( ordered_pair @ SX0 @ sK1_A ) @ sK3_SY45 )
                | ~ ( in @ SX0 @ sK2_SY42 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[122]) ).

thf(127,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[109]) ).

thf(128,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ~ ( ~ ( ! [SX3: $i] :
                                ( ~ ( in @ ( ordered_pair @ SX3 @ ( sK14_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) )
                            | ~ ( in @ ( sK14_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SX2 @ SX1 @ SX0 ) @ ( sK14_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                | ~ ( in @ ( sK15_SY51 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                            | ( in @ ( sK14_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) )
                    | ( SX2
                      = ( relation_image @ SX0 @ SX1 ) ) )
              | ~ ! [SX1: $i,SX2: $i] :
                    ( ( SX2
                     != ( relation_image @ SX0 @ SX1 ) )
                    | ~ ( ~ ! [SX3: $i] :
                              ( ! [SX4: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SX4 @ SX3 ) @ SX0 )
                                  | ~ ( in @ SX4 @ SX1 ) )
                              | ( in @ SX3 @ SX2 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SX2 )
                              | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX3 ) @ SX0 )
                                  | ~ ( in @ ( sK13_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[94]) ).

thf(129,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( empty @ ( relation_dom @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( relation @ ( relation_dom @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[111]) ).

thf(130,plain,
    ! [SV1: $i] :
      ( ( ! [SY52: $i] :
            ( ~ ( in @ SV1 @ SY52 )
            | ~ ( in @ SY52 @ SV1 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[91]) ).

thf(131,plain,
    ! [SV2: $i] :
      ( ( ~ ( empty @ SV2 )
        | ( relation @ SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[92]) ).

thf(132,plain,
    ! [SV3: $i] :
      ( ( ! [SY53: $i] :
            ( ( unordered_pair @ SV3 @ SY53 )
            = ( unordered_pair @ SY53 @ SV3 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[93]) ).

thf(133,plain,
    ! [SV4: $i] :
      ( ( ! [SY54: $i] :
            ( ( ordered_pair @ SV4 @ SY54 )
            = ( unordered_pair @ ( unordered_pair @ SV4 @ SY54 ) @ ( singleton @ SV4 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[96]) ).

thf(134,plain,
    ! [SV5: $i] :
      ( ( element @ ( sK9_B @ SV5 ) @ SV5 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[104]) ).

thf(135,plain,
    ! [SV6: $i] :
      ( ( ! [SY55: $i] :
            ~ ( empty @ ( ordered_pair @ SV6 @ SY55 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[106]) ).

thf(136,plain,
    ! [SV7: $i] :
      ( ( ~ ( empty @ ( singleton @ SV7 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[107]) ).

thf(137,plain,
    ! [SV8: $i] :
      ( ( ! [SY56: $i] :
            ~ ( empty @ ( unordered_pair @ SV8 @ SY56 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[108]) ).

thf(138,plain,
    ! [SV9: $i] :
      ( ( ( empty @ SV9 )
        | ~ ( relation @ SV9 )
        | ~ ( empty @ ( relation_dom @ SV9 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[110]) ).

thf(139,plain,
    ( ( empty @ sK5_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[115]) ).

thf(140,plain,
    ! [SV10: $i] :
      ( ( ! [SY57: $i] :
            ( ~ ( in @ SV10 @ SY57 )
            | ( element @ SV10 @ SY57 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[116]) ).

thf(141,plain,
    ! [SV11: $i] :
      ( ( ! [SY58: $i] :
            ( ~ ( element @ SV11 @ SY58 )
            | ( empty @ SY58 )
            | ( in @ SV11 @ SY58 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[117]) ).

thf(142,plain,
    ! [SV12: $i] :
      ( ( ~ ( empty @ SV12 )
        | ( SV12 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[118]) ).

thf(143,plain,
    ! [SV13: $i] :
      ( ( ! [SY59: $i] :
            ( ~ ( empty @ SY59 )
            | ~ ( in @ SV13 @ SY59 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[119]) ).

thf(144,plain,
    ! [SV14: $i] :
      ( ( ! [SY60: $i] :
            ( ( SV14 = SY60 )
            | ~ ( empty @ SV14 )
            | ~ ( empty @ SY60 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[120]) ).

thf(145,plain,
    ! [SV15: $i] :
      ( ( ~ ( relation @ SV15 )
        | ~ ( ~ ! [SY61: $i] :
                  ( ~ ( ~ ( ! [SY62: $i] :
                              ~ ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ SY62 ) @ SV15 )
                          | ~ ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ ( sK12_SY49 @ SY61 @ SV15 ) ) @ SV15 )
                          | ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) ) )
                  | ( SY61
                    = ( relation_dom @ SV15 ) ) )
            | ~ ! [SY63: $i] :
                  ( ( SY63
                   != ( relation_dom @ SV15 ) )
                  | ~ ( ~ ! [SY64: $i] :
                            ( ! [SY65: $i] :
                                ~ ( in @ ( ordered_pair @ SY64 @ SY65 ) @ SV15 )
                            | ( in @ SY64 @ SY63 ) )
                      | ~ ! [SY66: $i] :
                            ( ~ ( in @ SY66 @ SY63 )
                            | ( in @ ( ordered_pair @ SY66 @ ( sK10_D @ SY66 @ SY63 @ SV15 ) ) @ SV15 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[123]) ).

thf(146,plain,
    ( ( ~ ~ ( empty @ sK6_A )
      | ~ ( relation @ sK6_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[124]) ).

thf(147,plain,
    ( ( ~ ( empty @ sK8_A )
      | ~ ( relation @ sK8_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[125]) ).

thf(148,plain,
    ( ( ~ ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( in @ SX0 @ ( relation_dom @ sK3_SY45 ) )
            | ~ ( in @ ( ordered_pair @ SX0 @ sK1_A ) @ sK3_SY45 )
            | ~ ( in @ SX0 @ sK2_SY42 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[126]) ).

thf(149,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[127]) ).

thf(150,plain,
    ! [SV16: $i] :
      ( ( ~ ( relation @ SV16 )
        | ~ ( ~ ! [SY67: $i,SY68: $i] :
                  ( ~ ( ~ ( ! [SY69: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY69 @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                              | ~ ( in @ SY69 @ SY67 ) )
                          | ~ ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) )
                      | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                              | ~ ( in @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ SY67 ) )
                          | ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) ) )
                  | ( SY68
                    = ( relation_image @ SV16 @ SY67 ) ) )
            | ~ ! [SY70: $i,SY71: $i] :
                  ( ( SY71
                   != ( relation_image @ SV16 @ SY70 ) )
                  | ~ ( ~ ! [SY72: $i] :
                            ( ! [SY73: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY73 @ SY72 ) @ SV16 )
                                | ~ ( in @ SY73 @ SY70 ) )
                            | ( in @ SY72 @ SY71 ) )
                      | ~ ! [SY74: $i] :
                            ( ~ ( in @ SY74 @ SY71 )
                            | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY74 ) @ SV16 )
                                | ~ ( in @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY70 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[128]) ).

thf(151,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[129]) ).

thf(152,plain,
    ! [SV17: $i,SV1: $i] :
      ( ( ~ ( in @ SV1 @ SV17 )
        | ~ ( in @ SV17 @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[130]) ).

thf(153,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( empty @ SV2 ) )
        = $true )
      | ( ( relation @ SV2 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[131]) ).

thf(154,plain,
    ! [SV18: $i,SV3: $i] :
      ( ( ( unordered_pair @ SV3 @ SV18 )
        = ( unordered_pair @ SV18 @ SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[132]) ).

thf(155,plain,
    ! [SV19: $i,SV4: $i] :
      ( ( ( ordered_pair @ SV4 @ SV19 )
        = ( unordered_pair @ ( unordered_pair @ SV4 @ SV19 ) @ ( singleton @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[133]) ).

thf(156,plain,
    ! [SV20: $i,SV6: $i] :
      ( ( ~ ( empty @ ( ordered_pair @ SV6 @ SV20 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[135]) ).

thf(157,plain,
    ! [SV7: $i] :
      ( ( empty @ ( singleton @ SV7 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[136]) ).

thf(158,plain,
    ! [SV21: $i,SV8: $i] :
      ( ( ~ ( empty @ ( unordered_pair @ SV8 @ SV21 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[137]) ).

thf(159,plain,
    ! [SV9: $i] :
      ( ( ( ( empty @ SV9 )
          | ~ ( relation @ SV9 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV9 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[138]) ).

thf(160,plain,
    ! [SV22: $i,SV10: $i] :
      ( ( ~ ( in @ SV10 @ SV22 )
        | ( element @ SV10 @ SV22 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[140]) ).

thf(161,plain,
    ! [SV23: $i,SV11: $i] :
      ( ( ~ ( element @ SV11 @ SV23 )
        | ( empty @ SV23 )
        | ( in @ SV11 @ SV23 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[141]) ).

thf(162,plain,
    ! [SV12: $i] :
      ( ( ( ~ ( empty @ SV12 ) )
        = $true )
      | ( ( SV12 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[142]) ).

thf(163,plain,
    ! [SV13: $i,SV24: $i] :
      ( ( ~ ( empty @ SV24 )
        | ~ ( in @ SV13 @ SV24 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[143]) ).

thf(164,plain,
    ! [SV25: $i,SV14: $i] :
      ( ( ( SV14 = SV25 )
        | ~ ( empty @ SV14 )
        | ~ ( empty @ SV25 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[144]) ).

thf(165,plain,
    ! [SV15: $i] :
      ( ( ( ~ ( relation @ SV15 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY61: $i] :
                    ( ~ ( ~ ( ! [SY62: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ SY62 ) @ SV15 )
                            | ~ ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ ( sK12_SY49 @ SY61 @ SV15 ) ) @ SV15 )
                            | ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) ) )
                    | ( SY61
                      = ( relation_dom @ SV15 ) ) )
              | ~ ! [SY63: $i] :
                    ( ( SY63
                     != ( relation_dom @ SV15 ) )
                    | ~ ( ~ ! [SY64: $i] :
                              ( ! [SY65: $i] :
                                  ~ ( in @ ( ordered_pair @ SY64 @ SY65 ) @ SV15 )
                              | ( in @ SY64 @ SY63 ) )
                        | ~ ! [SY66: $i] :
                              ( ~ ( in @ SY66 @ SY63 )
                              | ( in @ ( ordered_pair @ SY66 @ ( sK10_D @ SY66 @ SY63 @ SV15 ) ) @ SV15 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[145]) ).

thf(166,plain,
    ( ( ~ ~ ( empty @ sK6_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[146]) ).

thf(167,plain,
    ( ( ~ ( relation @ sK6_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[146]) ).

thf(168,plain,
    ( ( ~ ( empty @ sK8_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[147]) ).

thf(169,plain,
    ( ( ~ ( relation @ sK8_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[147]) ).

thf(170,plain,
    ( ( ~ ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[148]) ).

thf(171,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( in @ SX0 @ ( relation_dom @ sK3_SY45 ) )
            | ~ ( in @ ( ordered_pair @ SX0 @ sK1_A ) @ sK3_SY45 )
            | ~ ( in @ SX0 @ sK2_SY42 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[148]) ).

thf(172,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[149]) ).

thf(173,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[149]) ).

thf(174,plain,
    ! [SV16: $i] :
      ( ( ( ~ ( relation @ SV16 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY67: $i,SY68: $i] :
                    ( ~ ( ~ ( ! [SY69: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY69 @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                                | ~ ( in @ SY69 @ SY67 ) )
                            | ~ ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                                | ~ ( in @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ SY67 ) )
                            | ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) ) )
                    | ( SY68
                      = ( relation_image @ SV16 @ SY67 ) ) )
              | ~ ! [SY70: $i,SY71: $i] :
                    ( ( SY71
                     != ( relation_image @ SV16 @ SY70 ) )
                    | ~ ( ~ ! [SY72: $i] :
                              ( ! [SY73: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY73 @ SY72 ) @ SV16 )
                                  | ~ ( in @ SY73 @ SY70 ) )
                              | ( in @ SY72 @ SY71 ) )
                        | ~ ! [SY74: $i] :
                              ( ~ ( in @ SY74 @ SY71 )
                              | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY74 ) @ SV16 )
                                  | ~ ( in @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY70 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[150]) ).

thf(175,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[151]) ).

thf(176,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[151]) ).

thf(177,plain,
    ! [SV17: $i,SV1: $i] :
      ( ( ( ~ ( in @ SV1 @ SV17 ) )
        = $true )
      | ( ( ~ ( in @ SV17 @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[152]) ).

thf(178,plain,
    ! [SV2: $i] :
      ( ( ( empty @ SV2 )
        = $false )
      | ( ( relation @ SV2 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[153]) ).

thf(179,plain,
    ! [SV20: $i,SV6: $i] :
      ( ( empty @ ( ordered_pair @ SV6 @ SV20 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[156]) ).

thf(180,plain,
    ! [SV21: $i,SV8: $i] :
      ( ( empty @ ( unordered_pair @ SV8 @ SV21 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[158]) ).

thf(181,plain,
    ! [SV9: $i] :
      ( ( ( empty @ SV9 )
        = $true )
      | ( ( ~ ( relation @ SV9 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV9 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[159]) ).

thf(182,plain,
    ! [SV22: $i,SV10: $i] :
      ( ( ( ~ ( in @ SV10 @ SV22 ) )
        = $true )
      | ( ( element @ SV10 @ SV22 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[160]) ).

thf(183,plain,
    ! [SV23: $i,SV11: $i] :
      ( ( ( ~ ( element @ SV11 @ SV23 ) )
        = $true )
      | ( ( ( empty @ SV23 )
          | ( in @ SV11 @ SV23 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[161]) ).

thf(184,plain,
    ! [SV12: $i] :
      ( ( ( empty @ SV12 )
        = $false )
      | ( ( SV12 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[162]) ).

thf(185,plain,
    ! [SV13: $i,SV24: $i] :
      ( ( ( ~ ( empty @ SV24 ) )
        = $true )
      | ( ( ~ ( in @ SV13 @ SV24 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[163]) ).

thf(186,plain,
    ! [SV25: $i,SV14: $i] :
      ( ( ( ( SV14 = SV25 )
          | ~ ( empty @ SV14 ) )
        = $true )
      | ( ( ~ ( empty @ SV25 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[164]) ).

thf(187,plain,
    ! [SV15: $i] :
      ( ( ( relation @ SV15 )
        = $false )
      | ( ( ~ ( ~ ! [SY61: $i] :
                    ( ~ ( ~ ( ! [SY62: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ SY62 ) @ SV15 )
                            | ~ ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ ( sK12_SY49 @ SY61 @ SV15 ) ) @ SV15 )
                            | ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) ) )
                    | ( SY61
                      = ( relation_dom @ SV15 ) ) )
              | ~ ! [SY63: $i] :
                    ( ( SY63
                     != ( relation_dom @ SV15 ) )
                    | ~ ( ~ ! [SY64: $i] :
                              ( ! [SY65: $i] :
                                  ~ ( in @ ( ordered_pair @ SY64 @ SY65 ) @ SV15 )
                              | ( in @ SY64 @ SY63 ) )
                        | ~ ! [SY66: $i] :
                              ( ~ ( in @ SY66 @ SY63 )
                              | ( in @ ( ordered_pair @ SY66 @ ( sK10_D @ SY66 @ SY63 @ SV15 ) ) @ SV15 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[165]) ).

thf(188,plain,
    ( ( ~ ( empty @ sK6_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[166]) ).

thf(189,plain,
    ( ( relation @ sK6_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[167]) ).

thf(190,plain,
    ( ( empty @ sK8_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[168]) ).

thf(191,plain,
    ( ( relation @ sK8_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[169]) ).

thf(192,plain,
    ( ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[170]) ).

thf(193,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( in @ SX0 @ ( relation_dom @ sK3_SY45 ) )
          | ~ ( in @ ( ordered_pair @ SX0 @ sK1_A ) @ sK3_SY45 )
          | ~ ( in @ SX0 @ sK2_SY42 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[171]) ).

thf(194,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[172]) ).

thf(195,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[173]) ).

thf(196,plain,
    ! [SV16: $i] :
      ( ( ( relation @ SV16 )
        = $false )
      | ( ( ~ ( ~ ! [SY67: $i,SY68: $i] :
                    ( ~ ( ~ ( ! [SY69: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY69 @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                                | ~ ( in @ SY69 @ SY67 ) )
                            | ~ ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                                | ~ ( in @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ SY67 ) )
                            | ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) ) )
                    | ( SY68
                      = ( relation_image @ SV16 @ SY67 ) ) )
              | ~ ! [SY70: $i,SY71: $i] :
                    ( ( SY71
                     != ( relation_image @ SV16 @ SY70 ) )
                    | ~ ( ~ ! [SY72: $i] :
                              ( ! [SY73: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY73 @ SY72 ) @ SV16 )
                                  | ~ ( in @ SY73 @ SY70 ) )
                              | ( in @ SY72 @ SY71 ) )
                        | ~ ! [SY74: $i] :
                              ( ~ ( in @ SY74 @ SY71 )
                              | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY74 ) @ SV16 )
                                  | ~ ( in @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY70 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[174]) ).

thf(197,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[175]) ).

thf(198,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[176]) ).

thf(199,plain,
    ! [SV17: $i,SV1: $i] :
      ( ( ( in @ SV1 @ SV17 )
        = $false )
      | ( ( ~ ( in @ SV17 @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[177]) ).

thf(200,plain,
    ! [SV9: $i] :
      ( ( ( relation @ SV9 )
        = $false )
      | ( ( empty @ SV9 )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV9 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[181]) ).

thf(201,plain,
    ! [SV22: $i,SV10: $i] :
      ( ( ( in @ SV10 @ SV22 )
        = $false )
      | ( ( element @ SV10 @ SV22 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[182]) ).

thf(202,plain,
    ! [SV23: $i,SV11: $i] :
      ( ( ( element @ SV11 @ SV23 )
        = $false )
      | ( ( ( empty @ SV23 )
          | ( in @ SV11 @ SV23 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[183]) ).

thf(203,plain,
    ! [SV13: $i,SV24: $i] :
      ( ( ( empty @ SV24 )
        = $false )
      | ( ( ~ ( in @ SV13 @ SV24 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[185]) ).

thf(204,plain,
    ! [SV25: $i,SV14: $i] :
      ( ( ( SV14 = SV25 )
        = $true )
      | ( ( ~ ( empty @ SV14 ) )
        = $true )
      | ( ( ~ ( empty @ SV25 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[186]) ).

thf(205,plain,
    ! [SV15: $i] :
      ( ( ( ~ ! [SY61: $i] :
                ( ~ ( ~ ( ! [SY62: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ SY62 ) @ SV15 )
                        | ~ ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ ( sK12_SY49 @ SY61 @ SV15 ) ) @ SV15 )
                        | ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) ) )
                | ( SY61
                  = ( relation_dom @ SV15 ) ) )
          | ~ ! [SY63: $i] :
                ( ( SY63
                 != ( relation_dom @ SV15 ) )
                | ~ ( ~ ! [SY64: $i] :
                          ( ! [SY65: $i] :
                              ~ ( in @ ( ordered_pair @ SY64 @ SY65 ) @ SV15 )
                          | ( in @ SY64 @ SY63 ) )
                    | ~ ! [SY66: $i] :
                          ( ~ ( in @ SY66 @ SY63 )
                          | ( in @ ( ordered_pair @ SY66 @ ( sK10_D @ SY66 @ SY63 @ SV15 ) ) @ SV15 ) ) ) ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[187]) ).

thf(206,plain,
    ( ( empty @ sK6_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[188]) ).

thf(207,plain,
    ! [SV26: $i] :
      ( ( ~ ( in @ SV26 @ ( relation_dom @ sK3_SY45 ) )
        | ~ ( in @ ( ordered_pair @ SV26 @ sK1_A ) @ sK3_SY45 )
        | ~ ( in @ SV26 @ sK2_SY42 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[193]) ).

thf(208,plain,
    ! [SV16: $i] :
      ( ( ( ~ ! [SY67: $i,SY68: $i] :
                ( ~ ( ~ ( ! [SY69: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY69 @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                            | ~ ( in @ SY69 @ SY67 ) )
                        | ~ ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                            | ~ ( in @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ SY67 ) )
                        | ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) ) )
                | ( SY68
                  = ( relation_image @ SV16 @ SY67 ) ) )
          | ~ ! [SY70: $i,SY71: $i] :
                ( ( SY71
                 != ( relation_image @ SV16 @ SY70 ) )
                | ~ ( ~ ! [SY72: $i] :
                          ( ! [SY73: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY73 @ SY72 ) @ SV16 )
                              | ~ ( in @ SY73 @ SY70 ) )
                          | ( in @ SY72 @ SY71 ) )
                    | ~ ! [SY74: $i] :
                          ( ~ ( in @ SY74 @ SY71 )
                          | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY74 ) @ SV16 )
                              | ~ ( in @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY70 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[196]) ).

thf(209,plain,
    ! [SV27: $i] :
      ( ( ~ ( empty @ SV27 )
        | ( empty @ ( relation_dom @ SV27 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[197]) ).

thf(210,plain,
    ! [SV28: $i] :
      ( ( ~ ( empty @ SV28 )
        | ( relation @ ( relation_dom @ SV28 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[198]) ).

thf(211,plain,
    ! [SV1: $i,SV17: $i] :
      ( ( ( in @ SV17 @ SV1 )
        = $false )
      | ( ( in @ SV1 @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[199]) ).

thf(212,plain,
    ! [SV9: $i] :
      ( ( ( empty @ ( relation_dom @ SV9 ) )
        = $false )
      | ( ( empty @ SV9 )
        = $true )
      | ( ( relation @ SV9 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[200]) ).

thf(213,plain,
    ! [SV11: $i,SV23: $i] :
      ( ( ( empty @ SV23 )
        = $true )
      | ( ( in @ SV11 @ SV23 )
        = $true )
      | ( ( element @ SV11 @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[202]) ).

thf(214,plain,
    ! [SV24: $i,SV13: $i] :
      ( ( ( in @ SV13 @ SV24 )
        = $false )
      | ( ( empty @ SV24 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[203]) ).

thf(215,plain,
    ! [SV25: $i,SV14: $i] :
      ( ( ( empty @ SV14 )
        = $false )
      | ( ( SV14 = SV25 )
        = $true )
      | ( ( ~ ( empty @ SV25 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[204]) ).

thf(216,plain,
    ! [SV15: $i] :
      ( ( ( ~ ! [SY61: $i] :
                ( ~ ( ~ ( ! [SY62: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ SY62 ) @ SV15 )
                        | ~ ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ ( sK12_SY49 @ SY61 @ SV15 ) ) @ SV15 )
                        | ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) ) )
                | ( SY61
                  = ( relation_dom @ SV15 ) ) ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[205]) ).

thf(217,plain,
    ! [SV15: $i] :
      ( ( ( ~ ! [SY63: $i] :
                ( ( SY63
                 != ( relation_dom @ SV15 ) )
                | ~ ( ~ ! [SY64: $i] :
                          ( ! [SY65: $i] :
                              ~ ( in @ ( ordered_pair @ SY64 @ SY65 ) @ SV15 )
                          | ( in @ SY64 @ SY63 ) )
                    | ~ ! [SY66: $i] :
                          ( ~ ( in @ SY66 @ SY63 )
                          | ( in @ ( ordered_pair @ SY66 @ ( sK10_D @ SY66 @ SY63 @ SV15 ) ) @ SV15 ) ) ) ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[205]) ).

thf(218,plain,
    ! [SV26: $i] :
      ( ( ( ~ ( in @ SV26 @ ( relation_dom @ sK3_SY45 ) )
          | ~ ( in @ ( ordered_pair @ SV26 @ sK1_A ) @ sK3_SY45 ) )
        = $true )
      | ( ( ~ ( in @ SV26 @ sK2_SY42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[207]) ).

thf(219,plain,
    ! [SV16: $i] :
      ( ( ( ~ ! [SY67: $i,SY68: $i] :
                ( ~ ( ~ ( ! [SY69: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY69 @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                            | ~ ( in @ SY69 @ SY67 ) )
                        | ~ ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                            | ~ ( in @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ SY67 ) )
                        | ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) ) )
                | ( SY68
                  = ( relation_image @ SV16 @ SY67 ) ) ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[208]) ).

thf(220,plain,
    ! [SV16: $i] :
      ( ( ( ~ ! [SY70: $i,SY71: $i] :
                ( ( SY71
                 != ( relation_image @ SV16 @ SY70 ) )
                | ~ ( ~ ! [SY72: $i] :
                          ( ! [SY73: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY73 @ SY72 ) @ SV16 )
                              | ~ ( in @ SY73 @ SY70 ) )
                          | ( in @ SY72 @ SY71 ) )
                    | ~ ! [SY74: $i] :
                          ( ~ ( in @ SY74 @ SY71 )
                          | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY74 ) @ SV16 )
                              | ~ ( in @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY70 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[208]) ).

thf(221,plain,
    ! [SV27: $i] :
      ( ( ( ~ ( empty @ SV27 ) )
        = $true )
      | ( ( empty @ ( relation_dom @ SV27 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[209]) ).

thf(222,plain,
    ! [SV28: $i] :
      ( ( ( ~ ( empty @ SV28 ) )
        = $true )
      | ( ( relation @ ( relation_dom @ SV28 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[210]) ).

thf(223,plain,
    ! [SV14: $i,SV25: $i] :
      ( ( ( empty @ SV25 )
        = $false )
      | ( ( SV14 = SV25 )
        = $true )
      | ( ( empty @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[215]) ).

thf(224,plain,
    ! [SV15: $i] :
      ( ( ( ! [SY61: $i] :
              ( ~ ( ~ ( ! [SY62: $i] :
                          ~ ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ SY62 ) @ SV15 )
                      | ~ ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY61 @ SV15 ) @ ( sK12_SY49 @ SY61 @ SV15 ) ) @ SV15 )
                      | ( in @ ( sK11_C @ SY61 @ SV15 ) @ SY61 ) ) )
              | ( SY61
                = ( relation_dom @ SV15 ) ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[216]) ).

thf(225,plain,
    ! [SV15: $i] :
      ( ( ( ! [SY63: $i] :
              ( ( SY63
               != ( relation_dom @ SV15 ) )
              | ~ ( ~ ! [SY64: $i] :
                        ( ! [SY65: $i] :
                            ~ ( in @ ( ordered_pair @ SY64 @ SY65 ) @ SV15 )
                        | ( in @ SY64 @ SY63 ) )
                  | ~ ! [SY66: $i] :
                        ( ~ ( in @ SY66 @ SY63 )
                        | ( in @ ( ordered_pair @ SY66 @ ( sK10_D @ SY66 @ SY63 @ SV15 ) ) @ SV15 ) ) ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[217]) ).

thf(226,plain,
    ! [SV26: $i] :
      ( ( ( ~ ( in @ SV26 @ ( relation_dom @ sK3_SY45 ) ) )
        = $true )
      | ( ( ~ ( in @ ( ordered_pair @ SV26 @ sK1_A ) @ sK3_SY45 ) )
        = $true )
      | ( ( ~ ( in @ SV26 @ sK2_SY42 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[218]) ).

thf(227,plain,
    ! [SV16: $i] :
      ( ( ( ! [SY67: $i,SY68: $i] :
              ( ~ ( ~ ( ! [SY69: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY69 @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                          | ~ ( in @ SY69 @ SY67 ) )
                      | ~ ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ ( sK14_D @ SY68 @ SY67 @ SV16 ) ) @ SV16 )
                          | ~ ( in @ ( sK15_SY51 @ SY68 @ SY67 @ SV16 ) @ SY67 ) )
                      | ( in @ ( sK14_D @ SY68 @ SY67 @ SV16 ) @ SY68 ) ) )
              | ( SY68
                = ( relation_image @ SV16 @ SY67 ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[219]) ).

thf(228,plain,
    ! [SV16: $i] :
      ( ( ( ! [SY70: $i,SY71: $i] :
              ( ( SY71
               != ( relation_image @ SV16 @ SY70 ) )
              | ~ ( ~ ! [SY72: $i] :
                        ( ! [SY73: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY73 @ SY72 ) @ SV16 )
                            | ~ ( in @ SY73 @ SY70 ) )
                        | ( in @ SY72 @ SY71 ) )
                  | ~ ! [SY74: $i] :
                        ( ~ ( in @ SY74 @ SY71 )
                        | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY74 ) @ SV16 )
                            | ~ ( in @ ( sK13_E @ SY74 @ SY71 @ SY70 @ SV16 ) @ SY70 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[220]) ).

thf(229,plain,
    ! [SV27: $i] :
      ( ( ( empty @ SV27 )
        = $false )
      | ( ( empty @ ( relation_dom @ SV27 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[221]) ).

thf(230,plain,
    ! [SV28: $i] :
      ( ( ( empty @ SV28 )
        = $false )
      | ( ( relation @ ( relation_dom @ SV28 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[222]) ).

thf(231,plain,
    ! [SV15: $i,SV29: $i] :
      ( ( ( ~ ( ~ ( ! [SY75: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ SY75 ) @ SV15 )
                  | ~ ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ ( sK12_SY49 @ SV29 @ SV15 ) ) @ SV15 )
                  | ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) ) )
          | ( SV29
            = ( relation_dom @ SV15 ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[224]) ).

thf(232,plain,
    ! [SV15: $i,SV30: $i] :
      ( ( ( ( SV30
           != ( relation_dom @ SV15 ) )
          | ~ ( ~ ! [SY76: $i] :
                    ( ! [SY65: $i] :
                        ~ ( in @ ( ordered_pair @ SY76 @ SY65 ) @ SV15 )
                    | ( in @ SY76 @ SV30 ) )
              | ~ ! [SY78: $i] :
                    ( ~ ( in @ SY78 @ SV30 )
                    | ( in @ ( ordered_pair @ SY78 @ ( sK10_D @ SY78 @ SV30 @ SV15 ) ) @ SV15 ) ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[225]) ).

thf(233,plain,
    ! [SV26: $i] :
      ( ( ( in @ SV26 @ ( relation_dom @ sK3_SY45 ) )
        = $false )
      | ( ( ~ ( in @ ( ordered_pair @ SV26 @ sK1_A ) @ sK3_SY45 ) )
        = $true )
      | ( ( ~ ( in @ SV26 @ sK2_SY42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[226]) ).

thf(234,plain,
    ! [SV16: $i,SV31: $i] :
      ( ( ( ! [SY79: $i] :
              ( ~ ( ~ ( ! [SY80: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY80 @ ( sK14_D @ SY79 @ SV31 @ SV16 ) ) @ SV16 )
                          | ~ ( in @ SY80 @ SV31 ) )
                      | ~ ( in @ ( sK14_D @ SY79 @ SV31 @ SV16 ) @ SY79 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY79 @ SV31 @ SV16 ) @ ( sK14_D @ SY79 @ SV31 @ SV16 ) ) @ SV16 )
                          | ~ ( in @ ( sK15_SY51 @ SY79 @ SV31 @ SV16 ) @ SV31 ) )
                      | ( in @ ( sK14_D @ SY79 @ SV31 @ SV16 ) @ SY79 ) ) )
              | ( SY79
                = ( relation_image @ SV16 @ SV31 ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[227]) ).

thf(235,plain,
    ! [SV32: $i,SV16: $i] :
      ( ( ( ! [SY81: $i] :
              ( ( SY81
               != ( relation_image @ SV16 @ SV32 ) )
              | ~ ( ~ ! [SY82: $i] :
                        ( ! [SY83: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY83 @ SY82 ) @ SV16 )
                            | ~ ( in @ SY83 @ SV32 ) )
                        | ( in @ SY82 @ SY81 ) )
                  | ~ ! [SY84: $i] :
                        ( ~ ( in @ SY84 @ SY81 )
                        | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY84 @ SY81 @ SV32 @ SV16 ) @ SY84 ) @ SV16 )
                            | ~ ( in @ ( sK13_E @ SY84 @ SY81 @ SV32 @ SV16 ) @ SV32 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[228]) ).

thf(236,plain,
    ! [SV15: $i,SV29: $i] :
      ( ( ( ~ ( ~ ( ! [SY75: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ SY75 ) @ SV15 )
                  | ~ ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ ( sK12_SY49 @ SV29 @ SV15 ) ) @ SV15 )
                  | ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) ) ) )
        = $true )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[231]) ).

thf(237,plain,
    ! [SV15: $i,SV30: $i] :
      ( ( ( ( SV30
           != ( relation_dom @ SV15 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY76: $i] :
                    ( ! [SY65: $i] :
                        ~ ( in @ ( ordered_pair @ SY76 @ SY65 ) @ SV15 )
                    | ( in @ SY76 @ SV30 ) )
              | ~ ! [SY78: $i] :
                    ( ~ ( in @ SY78 @ SV30 )
                    | ( in @ ( ordered_pair @ SY78 @ ( sK10_D @ SY78 @ SV30 @ SV15 ) ) @ SV15 ) ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[232]) ).

thf(238,plain,
    ! [SV26: $i] :
      ( ( ( in @ ( ordered_pair @ SV26 @ sK1_A ) @ sK3_SY45 )
        = $false )
      | ( ( in @ SV26 @ ( relation_dom @ sK3_SY45 ) )
        = $false )
      | ( ( ~ ( in @ SV26 @ sK2_SY42 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[233]) ).

thf(239,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( ~ ( ! [SY85: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY85 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
                      | ~ ( in @ SY85 @ SV31 ) )
                  | ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
                      | ~ ( in @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ SV31 ) )
                  | ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) ) )
          | ( SV33
            = ( relation_image @ SV16 @ SV31 ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[234]) ).

thf(240,plain,
    ! [SV32: $i,SV16: $i,SV34: $i] :
      ( ( ( ( SV34
           != ( relation_image @ SV16 @ SV32 ) )
          | ~ ( ~ ! [SY86: $i] :
                    ( ! [SY83: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY83 @ SY86 ) @ SV16 )
                        | ~ ( in @ SY83 @ SV32 ) )
                    | ( in @ SY86 @ SV34 ) )
              | ~ ! [SY88: $i] :
                    ( ~ ( in @ SY88 @ SV34 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SY88 ) @ SV16 )
                        | ~ ( in @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SV32 ) ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[235]) ).

thf(241,plain,
    ! [SV15: $i,SV29: $i] :
      ( ( ( ~ ( ! [SY75: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ SY75 ) @ SV15 )
              | ~ ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ ( sK12_SY49 @ SV29 @ SV15 ) ) @ SV15 )
              | ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) ) )
        = $false )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[236]) ).

thf(242,plain,
    ! [SV15: $i,SV30: $i] :
      ( ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY76: $i] :
                    ( ! [SY65: $i] :
                        ~ ( in @ ( ordered_pair @ SY76 @ SY65 ) @ SV15 )
                    | ( in @ SY76 @ SV30 ) )
              | ~ ! [SY78: $i] :
                    ( ~ ( in @ SY78 @ SV30 )
                    | ( in @ ( ordered_pair @ SY78 @ ( sK10_D @ SY78 @ SV30 @ SV15 ) ) @ SV15 ) ) ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[237]) ).

thf(243,plain,
    ! [SV26: $i] :
      ( ( ( in @ SV26 @ sK2_SY42 )
        = $false )
      | ( ( in @ SV26 @ ( relation_dom @ sK3_SY45 ) )
        = $false )
      | ( ( in @ ( ordered_pair @ SV26 @ sK1_A ) @ sK3_SY45 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[238]) ).

thf(244,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( ~ ( ! [SY85: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY85 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
                      | ~ ( in @ SY85 @ SV31 ) )
                  | ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
                      | ~ ( in @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ SV31 ) )
                  | ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) ) ) )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[239]) ).

thf(245,plain,
    ! [SV32: $i,SV16: $i,SV34: $i] :
      ( ( ( ( SV34
           != ( relation_image @ SV16 @ SV32 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY86: $i] :
                    ( ! [SY83: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY83 @ SY86 ) @ SV16 )
                        | ~ ( in @ SY83 @ SV32 ) )
                    | ( in @ SY86 @ SV34 ) )
              | ~ ! [SY88: $i] :
                    ( ~ ( in @ SY88 @ SV34 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SY88 ) @ SV16 )
                        | ~ ( in @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SV32 ) ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[240]) ).

thf(246,plain,
    ! [SV15: $i,SV29: $i] :
      ( ( ( ~ ( ! [SY75: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ SY75 ) @ SV15 )
              | ~ ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) ) )
        = $false )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[241]) ).

thf(247,plain,
    ! [SV15: $i,SV29: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ ( sK12_SY49 @ SV29 @ SV15 ) ) @ SV15 )
              | ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) ) )
        = $false )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[241]) ).

thf(248,plain,
    ! [SV30: $i,SV15: $i] :
      ( ( ( ~ ! [SY76: $i] :
                ( ! [SY65: $i] :
                    ~ ( in @ ( ordered_pair @ SY76 @ SY65 ) @ SV15 )
                | ( in @ SY76 @ SV30 ) )
          | ~ ! [SY78: $i] :
                ( ~ ( in @ SY78 @ SV30 )
                | ( in @ ( ordered_pair @ SY78 @ ( sK10_D @ SY78 @ SV30 @ SV15 ) ) @ SV15 ) ) )
        = $false )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[242]) ).

thf(249,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( ! [SY85: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY85 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
                  | ~ ( in @ SY85 @ SV31 ) )
              | ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
                  | ~ ( in @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ SV31 ) )
              | ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) ) )
        = $false )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[244]) ).

thf(250,plain,
    ! [SV32: $i,SV16: $i,SV34: $i] :
      ( ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY86: $i] :
                    ( ! [SY83: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY83 @ SY86 ) @ SV16 )
                        | ~ ( in @ SY83 @ SV32 ) )
                    | ( in @ SY86 @ SV34 ) )
              | ~ ! [SY88: $i] :
                    ( ~ ( in @ SY88 @ SV34 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SY88 ) @ SV16 )
                        | ~ ( in @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SV32 ) ) ) ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[245]) ).

thf(251,plain,
    ! [SV15: $i,SV29: $i] :
      ( ( ( ! [SY75: $i] :
              ~ ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ SY75 ) @ SV15 )
          | ~ ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) )
        = $true )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[246]) ).

thf(252,plain,
    ! [SV15: $i,SV29: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ ( sK12_SY49 @ SV29 @ SV15 ) ) @ SV15 )
          | ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) )
        = $true )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[247]) ).

thf(253,plain,
    ! [SV30: $i,SV15: $i] :
      ( ( ( ~ ! [SY76: $i] :
                ( ! [SY65: $i] :
                    ~ ( in @ ( ordered_pair @ SY76 @ SY65 ) @ SV15 )
                | ( in @ SY76 @ SV30 ) ) )
        = $false )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[248]) ).

thf(254,plain,
    ! [SV15: $i,SV30: $i] :
      ( ( ( ~ ! [SY78: $i] :
                ( ~ ( in @ SY78 @ SV30 )
                | ( in @ ( ordered_pair @ SY78 @ ( sK10_D @ SY78 @ SV30 @ SV15 ) ) @ SV15 ) ) )
        = $false )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[248]) ).

thf(255,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( ! [SY85: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY85 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
                  | ~ ( in @ SY85 @ SV31 ) )
              | ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) ) )
        = $false )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[249]) ).

thf(256,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
                  | ~ ( in @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ SV31 ) )
              | ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) ) )
        = $false )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[249]) ).

thf(257,plain,
    ! [SV34: $i,SV32: $i,SV16: $i] :
      ( ( ( ~ ! [SY86: $i] :
                ( ! [SY83: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY83 @ SY86 ) @ SV16 )
                    | ~ ( in @ SY83 @ SV32 ) )
                | ( in @ SY86 @ SV34 ) )
          | ~ ! [SY88: $i] :
                ( ~ ( in @ SY88 @ SV34 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SY88 ) @ SV16 )
                    | ~ ( in @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SV32 ) ) ) )
        = $false )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[250]) ).

thf(258,plain,
    ! [SV15: $i,SV29: $i] :
      ( ( ( ! [SY75: $i] :
              ~ ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ SY75 ) @ SV15 ) )
        = $true )
      | ( ( ~ ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) )
        = $true )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[251]) ).

thf(259,plain,
    ! [SV15: $i,SV29: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ ( sK12_SY49 @ SV29 @ SV15 ) ) @ SV15 )
        = $true )
      | ( ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 )
        = $true )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[252]) ).

thf(260,plain,
    ! [SV30: $i,SV15: $i] :
      ( ( ( ! [SY76: $i] :
              ( ! [SY65: $i] :
                  ~ ( in @ ( ordered_pair @ SY76 @ SY65 ) @ SV15 )
              | ( in @ SY76 @ SV30 ) ) )
        = $true )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[253]) ).

thf(261,plain,
    ! [SV15: $i,SV30: $i] :
      ( ( ( ! [SY78: $i] :
              ( ~ ( in @ SY78 @ SV30 )
              | ( in @ ( ordered_pair @ SY78 @ ( sK10_D @ SY78 @ SV30 @ SV15 ) ) @ SV15 ) ) )
        = $true )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[254]) ).

thf(262,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ! [SY85: $i] :
              ( ~ ( in @ ( ordered_pair @ SY85 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
              | ~ ( in @ SY85 @ SV31 ) )
          | ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[255]) ).

thf(263,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
              | ~ ( in @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ SV31 ) )
          | ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[256]) ).

thf(264,plain,
    ! [SV34: $i,SV32: $i,SV16: $i] :
      ( ( ( ~ ! [SY86: $i] :
                ( ! [SY83: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY83 @ SY86 ) @ SV16 )
                    | ~ ( in @ SY83 @ SV32 ) )
                | ( in @ SY86 @ SV34 ) ) )
        = $false )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[257]) ).

thf(265,plain,
    ! [SV16: $i,SV32: $i,SV34: $i] :
      ( ( ( ~ ! [SY88: $i] :
                ( ~ ( in @ SY88 @ SV34 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SY88 ) @ SV16 )
                    | ~ ( in @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SV32 ) ) ) )
        = $false )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[257]) ).

thf(266,plain,
    ! [SV35: $i,SV15: $i,SV29: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ SV35 ) @ SV15 ) )
        = $true )
      | ( ( ~ ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) )
        = $true )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[258]) ).

thf(267,plain,
    ! [SV30: $i,SV15: $i,SV36: $i] :
      ( ( ( ! [SY89: $i] :
              ~ ( in @ ( ordered_pair @ SV36 @ SY89 ) @ SV15 )
          | ( in @ SV36 @ SV30 ) )
        = $true )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[260]) ).

thf(268,plain,
    ! [SV15: $i,SV30: $i,SV37: $i] :
      ( ( ( ~ ( in @ SV37 @ SV30 )
          | ( in @ ( ordered_pair @ SV37 @ ( sK10_D @ SV37 @ SV30 @ SV15 ) ) @ SV15 ) )
        = $true )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[261]) ).

thf(269,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ! [SY85: $i] :
              ( ~ ( in @ ( ordered_pair @ SY85 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
              | ~ ( in @ SY85 @ SV31 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[262]) ).

thf(270,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
              | ~ ( in @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ SV31 ) ) )
        = $true )
      | ( ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[263]) ).

thf(271,plain,
    ! [SV34: $i,SV32: $i,SV16: $i] :
      ( ( ( ! [SY86: $i] :
              ( ! [SY83: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY83 @ SY86 ) @ SV16 )
                  | ~ ( in @ SY83 @ SV32 ) )
              | ( in @ SY86 @ SV34 ) ) )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[264]) ).

thf(272,plain,
    ! [SV16: $i,SV32: $i,SV34: $i] :
      ( ( ( ! [SY88: $i] :
              ( ~ ( in @ SY88 @ SV34 )
              | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SY88 ) @ SV16 )
                  | ~ ( in @ ( sK13_E @ SY88 @ SV34 @ SV32 @ SV16 ) @ SV32 ) ) ) )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[265]) ).

thf(273,plain,
    ! [SV35: $i,SV15: $i,SV29: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ SV35 ) @ SV15 )
        = $false )
      | ( ( ~ ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 ) )
        = $true )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[266]) ).

thf(274,plain,
    ! [SV30: $i,SV15: $i,SV36: $i] :
      ( ( ( ! [SY89: $i] :
              ~ ( in @ ( ordered_pair @ SV36 @ SY89 ) @ SV15 ) )
        = $true )
      | ( ( in @ SV36 @ SV30 )
        = $true )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[267]) ).

thf(275,plain,
    ! [SV15: $i,SV30: $i,SV37: $i] :
      ( ( ( ~ ( in @ SV37 @ SV30 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV37 @ ( sK10_D @ SV37 @ SV30 @ SV15 ) ) @ SV15 )
        = $true )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[268]) ).

thf(276,plain,
    ! [SV16: $i,SV31: $i,SV33: $i,SV38: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV38 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
          | ~ ( in @ SV38 @ SV31 ) )
        = $true )
      | ( ( ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[269]) ).

thf(277,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
          | ~ ( in @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ SV31 ) )
        = $false )
      | ( ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[270]) ).

thf(278,plain,
    ! [SV34: $i,SV32: $i,SV16: $i,SV39: $i] :
      ( ( ( ! [SY90: $i] :
              ( ~ ( in @ ( ordered_pair @ SY90 @ SV39 ) @ SV16 )
              | ~ ( in @ SY90 @ SV32 ) )
          | ( in @ SV39 @ SV34 ) )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[271]) ).

thf(279,plain,
    ! [SV16: $i,SV32: $i,SV34: $i,SV40: $i] :
      ( ( ( ~ ( in @ SV40 @ SV34 )
          | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV40 ) @ SV16 )
              | ~ ( in @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV32 ) ) )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[272]) ).

thf(280,plain,
    ! [SV35: $i,SV15: $i,SV29: $i] :
      ( ( ( in @ ( sK11_C @ SV29 @ SV15 ) @ SV29 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK11_C @ SV29 @ SV15 ) @ SV35 ) @ SV15 )
        = $false )
      | ( ( SV29
          = ( relation_dom @ SV15 ) )
        = $true )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[273]) ).

thf(281,plain,
    ! [SV30: $i,SV15: $i,SV41: $i,SV36: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV36 @ SV41 ) @ SV15 ) )
        = $true )
      | ( ( in @ SV36 @ SV30 )
        = $true )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[274]) ).

thf(282,plain,
    ! [SV15: $i,SV30: $i,SV37: $i] :
      ( ( ( in @ SV37 @ SV30 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV37 @ ( sK10_D @ SV37 @ SV30 @ SV15 ) ) @ SV15 )
        = $true )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[275]) ).

thf(283,plain,
    ! [SV16: $i,SV31: $i,SV33: $i,SV38: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV38 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 ) )
        = $true )
      | ( ( ~ ( in @ SV38 @ SV31 ) )
        = $true )
      | ( ( ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[276]) ).

thf(284,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 ) )
        = $false )
      | ( ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[277]) ).

thf(285,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( ~ ( in @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ SV31 ) )
        = $false )
      | ( ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[277]) ).

thf(286,plain,
    ! [SV34: $i,SV32: $i,SV16: $i,SV39: $i] :
      ( ( ( ! [SY90: $i] :
              ( ~ ( in @ ( ordered_pair @ SY90 @ SV39 ) @ SV16 )
              | ~ ( in @ SY90 @ SV32 ) ) )
        = $true )
      | ( ( in @ SV39 @ SV34 )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[278]) ).

thf(287,plain,
    ! [SV16: $i,SV32: $i,SV34: $i,SV40: $i] :
      ( ( ( ~ ( in @ SV40 @ SV34 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV40 ) @ SV16 )
              | ~ ( in @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV32 ) ) )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[279]) ).

thf(288,plain,
    ! [SV30: $i,SV15: $i,SV41: $i,SV36: $i] :
      ( ( ( in @ ( ordered_pair @ SV36 @ SV41 ) @ SV15 )
        = $false )
      | ( ( in @ SV36 @ SV30 )
        = $true )
      | ( ( SV30
          = ( relation_dom @ SV15 ) )
        = $false )
      | ( ( relation @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[281]) ).

thf(289,plain,
    ! [SV16: $i,SV31: $i,SV33: $i,SV38: $i] :
      ( ( ( in @ ( ordered_pair @ SV38 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
        = $false )
      | ( ( ~ ( in @ SV38 @ SV31 ) )
        = $true )
      | ( ( ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[283]) ).

thf(290,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
        = $true )
      | ( ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[284]) ).

thf(291,plain,
    ! [SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( in @ ( sK15_SY51 @ SV33 @ SV31 @ SV16 ) @ SV31 )
        = $true )
      | ( ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[285]) ).

thf(292,plain,
    ! [SV34: $i,SV32: $i,SV16: $i,SV39: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV42 @ SV39 ) @ SV16 )
          | ~ ( in @ SV42 @ SV32 ) )
        = $true )
      | ( ( in @ SV39 @ SV34 )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[286]) ).

thf(293,plain,
    ! [SV16: $i,SV32: $i,SV34: $i,SV40: $i] :
      ( ( ( in @ SV40 @ SV34 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV40 ) @ SV16 )
              | ~ ( in @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV32 ) ) )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[287]) ).

thf(294,plain,
    ! [SV16: $i,SV33: $i,SV31: $i,SV38: $i] :
      ( ( ( in @ SV38 @ SV31 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV38 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
        = $false )
      | ( ( ~ ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 ) )
        = $true )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[289]) ).

thf(295,plain,
    ! [SV34: $i,SV32: $i,SV16: $i,SV39: $i,SV42: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV42 @ SV39 ) @ SV16 ) )
        = $true )
      | ( ( ~ ( in @ SV42 @ SV32 ) )
        = $true )
      | ( ( in @ SV39 @ SV34 )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[292]) ).

thf(296,plain,
    ! [SV16: $i,SV32: $i,SV34: $i,SV40: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV40 ) @ SV16 )
          | ~ ( in @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV32 ) )
        = $false )
      | ( ( in @ SV40 @ SV34 )
        = $false )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[293]) ).

thf(297,plain,
    ! [SV38: $i,SV16: $i,SV31: $i,SV33: $i] :
      ( ( ( in @ ( sK14_D @ SV33 @ SV31 @ SV16 ) @ SV33 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV38 @ ( sK14_D @ SV33 @ SV31 @ SV16 ) ) @ SV16 )
        = $false )
      | ( ( in @ SV38 @ SV31 )
        = $false )
      | ( ( SV33
          = ( relation_image @ SV16 @ SV31 ) )
        = $true )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[294]) ).

thf(298,plain,
    ! [SV34: $i,SV32: $i,SV16: $i,SV39: $i,SV42: $i] :
      ( ( ( in @ ( ordered_pair @ SV42 @ SV39 ) @ SV16 )
        = $false )
      | ( ( ~ ( in @ SV42 @ SV32 ) )
        = $true )
      | ( ( in @ SV39 @ SV34 )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[295]) ).

thf(299,plain,
    ! [SV16: $i,SV32: $i,SV34: $i,SV40: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV40 ) @ SV16 ) )
        = $false )
      | ( ( in @ SV40 @ SV34 )
        = $false )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[296]) ).

thf(300,plain,
    ! [SV16: $i,SV32: $i,SV34: $i,SV40: $i] :
      ( ( ( ~ ( in @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV32 ) )
        = $false )
      | ( ( in @ SV40 @ SV34 )
        = $false )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[296]) ).

thf(301,plain,
    ! [SV34: $i,SV16: $i,SV39: $i,SV32: $i,SV42: $i] :
      ( ( ( in @ SV42 @ SV32 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV42 @ SV39 ) @ SV16 )
        = $false )
      | ( ( in @ SV39 @ SV34 )
        = $true )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[298]) ).

thf(302,plain,
    ! [SV16: $i,SV32: $i,SV34: $i,SV40: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV40 ) @ SV16 )
        = $true )
      | ( ( in @ SV40 @ SV34 )
        = $false )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[299]) ).

thf(303,plain,
    ! [SV16: $i,SV32: $i,SV34: $i,SV40: $i] :
      ( ( ( in @ ( sK13_E @ SV40 @ SV34 @ SV32 @ SV16 ) @ SV32 )
        = $true )
      | ( ( in @ SV40 @ SV34 )
        = $false )
      | ( ( SV34
          = ( relation_image @ SV16 @ SV32 ) )
        = $false )
      | ( ( relation @ SV16 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[300]) ).

thf(304,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[97,303,302,301,297,291,290,288,282,280,259,243,230,229,223,214,213,212,211,206,201,195,194,192,191,190,189,184,180,179,178,157,155,154,139,134,121,113,105,103,102,101,100,99,98]) ).

thf(305,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[90]) ).

thf(306,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[89]) ).

thf(307,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( unordered_pair @ A @ B )
          = ( unordered_pair @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[61]) ).

thf(308,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i,C: $i] :
                ( ( ( ! [SY50: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY50 @ ( sK14_D @ C @ B @ A ) ) @ A )
                        | ~ ( in @ SY50 @ B ) )
                    | ~ ( in @ ( sK14_D @ C @ B @ A ) @ C ) )
                  & ( ( ( in @ ( ordered_pair @ ( sK15_SY51 @ C @ B @ A ) @ ( sK14_D @ C @ B @ A ) ) @ A )
                      & ( in @ ( sK15_SY51 @ C @ B @ A ) @ B ) )
                    | ( in @ ( sK14_D @ C @ B @ A ) @ C ) ) )
                | ( C
                  = ( relation_image @ A @ B ) ) )
            & ! [B: $i,C: $i] :
                ( ( C
                 != ( relation_image @ A @ B ) )
                | ( ! [D: $i] :
                      ( ! [E: $i] :
                          ( ~ ( in @ ( ordered_pair @ E @ D ) @ A )
                          | ~ ( in @ E @ B ) )
                      | ( in @ D @ C ) )
                  & ! [D: $i] :
                      ( ~ ( in @ D @ C )
                      | ( ( in @ ( ordered_pair @ ( sK13_E @ D @ C @ B @ A ) @ D ) @ A )
                        & ( in @ ( sK13_E @ D @ C @ B @ A ) @ B ) ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[88]) ).

thf(309,plain,
    ( ( ! [A: $i] :
          ( ~ ( relation @ A )
          | ( ! [B: $i] :
                ( ( ( ! [SY48: $i] :
                        ~ ( in @ ( ordered_pair @ ( sK11_C @ B @ A ) @ SY48 ) @ A )
                    | ~ ( in @ ( sK11_C @ B @ A ) @ B ) )
                  & ( ( in @ ( ordered_pair @ ( sK11_C @ B @ A ) @ ( sK12_SY49 @ B @ A ) ) @ A )
                    | ( in @ ( sK11_C @ B @ A ) @ B ) ) )
                | ( B
                  = ( relation_dom @ A ) ) )
            & ! [B: $i] :
                ( ( B
                 != ( relation_dom @ A ) )
                | ( ! [C: $i] :
                      ( ! [D: $i] :
                          ~ ( in @ ( ordered_pair @ C @ D ) @ A )
                      | ( in @ C @ B ) )
                  & ! [C: $i] :
                      ( ~ ( in @ C @ B )
                      | ( in @ ( ordered_pair @ C @ ( sK10_D @ C @ B @ A ) ) @ A ) ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[87]) ).

thf(310,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ordered_pair @ A @ B )
          = ( unordered_pair @ ( unordered_pair @ A @ B ) @ ( singleton @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[58]) ).

thf(311,plain,
    $true = $true,
    inference(copy,[status(thm)],[57]) ).

thf(312,plain,
    $true = $true,
    inference(copy,[status(thm)],[56]) ).

thf(313,plain,
    $true = $true,
    inference(copy,[status(thm)],[55]) ).

thf(314,plain,
    $true = $true,
    inference(copy,[status(thm)],[54]) ).

thf(315,plain,
    $true = $true,
    inference(copy,[status(thm)],[53]) ).

thf(316,plain,
    $true = $true,
    inference(copy,[status(thm)],[52]) ).

thf(317,plain,
    $true = $true,
    inference(copy,[status(thm)],[51]) ).

thf(318,plain,
    ( ( ! [A: $i] : ( element @ ( sK9_B @ A ) @ A ) )
    = $true ),
    inference(copy,[status(thm)],[86]) ).

thf(319,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[49]) ).

thf(320,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( ordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[48]) ).

thf(321,plain,
    ( ( ! [A: $i] :
          ~ ( empty @ ( singleton @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[47]) ).

thf(322,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( empty @ ( unordered_pair @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[46]) ).

thf(323,plain,
    ( ( ( empty @ empty_set )
      & ( relation @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[45]) ).

thf(324,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ~ ( relation @ A )
          | ~ ( empty @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[85]) ).

thf(325,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( empty @ ( relation_dom @ A ) ) )
      & ! [A: $i] :
          ( ~ ( empty @ A )
          | ( relation @ ( relation_dom @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[84]) ).

thf(326,plain,
    ( ( ( empty @ sK8_A )
      & ( relation @ sK8_A ) )
    = $true ),
    inference(copy,[status(thm)],[83]) ).

thf(327,plain,
    ( ( empty @ sK7_A )
    = $true ),
    inference(copy,[status(thm)],[82]) ).

thf(328,plain,
    ( ( ~ ( empty @ sK6_A )
      & ( relation @ sK6_A ) )
    = $true ),
    inference(copy,[status(thm)],[81]) ).

thf(329,plain,
    ( ( ~ ( empty @ sK5_A ) )
    = $true ),
    inference(copy,[status(thm)],[80]) ).

thf(330,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ( element @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[79]) ).

thf(331,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( element @ A @ B )
          | ( empty @ B )
          | ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[78]) ).

thf(332,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[77]) ).

thf(333,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[76]) ).

thf(334,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[75]) ).

thf(335,plain,
    ( ( relation @ sK3_SY45 )
    = $true ),
    inference(copy,[status(thm)],[67]) ).

thf(336,plain,
    ( ( ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
      & ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 )
      & ( in @ sK4_SY47 @ sK2_SY42 )
      & ~ ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) ) )
    = $true ),
    inference(copy,[status(thm)],[74]) ).

thf(337,plain,
    ( ( ~ ( ~ ~ ( ~ ~ ( ~ ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
                      | ~ ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 ) )
                | ~ ( in @ sK4_SY47 @ sK2_SY42 ) )
          | ~ ~ ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[336]) ).

thf(338,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i] :
                    ( ~ ( ~ ( ! [SX2: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK11_C @ SX1 @ SX0 ) @ SX2 ) @ SX0 )
                            | ~ ( in @ ( sK11_C @ SX1 @ SX0 ) @ SX1 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SX1 @ SX0 ) @ ( sK12_SY49 @ SX1 @ SX0 ) ) @ SX0 )
                            | ( in @ ( sK11_C @ SX1 @ SX0 ) @ SX1 ) ) )
                    | ( SX1
                      = ( relation_dom @ SX0 ) ) )
              | ~ ! [SX1: $i] :
                    ( ( SX1
                     != ( relation_dom @ SX0 ) )
                    | ~ ( ~ ! [SX2: $i] :
                              ( ! [SX3: $i] :
                                  ~ ( in @ ( ordered_pair @ SX2 @ SX3 ) @ SX0 )
                              | ( in @ SX2 @ SX1 ) )
                        | ~ ! [SX2: $i] :
                              ( ~ ( in @ SX2 @ SX1 )
                              | ( in @ ( ordered_pair @ SX2 @ ( sK10_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[309]) ).

thf(339,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( empty @ ( relation_dom @ SX0 ) ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ( relation @ ( relation_dom @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[325]) ).

thf(340,plain,
    ( ( ~ ( ~ ( empty @ empty_set )
          | ~ ( relation @ empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[323]) ).

thf(341,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( relation @ SX0 )
          | ~ ( ~ ! [SX1: $i,SX2: $i] :
                    ( ~ ( ~ ( ! [SX3: $i] :
                                ( ~ ( in @ ( ordered_pair @ SX3 @ ( sK14_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) )
                            | ~ ( in @ ( sK14_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SX2 @ SX1 @ SX0 ) @ ( sK14_D @ SX2 @ SX1 @ SX0 ) ) @ SX0 )
                                | ~ ( in @ ( sK15_SY51 @ SX2 @ SX1 @ SX0 ) @ SX1 ) )
                            | ( in @ ( sK14_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) )
                    | ( SX2
                      = ( relation_image @ SX0 @ SX1 ) ) )
              | ~ ! [SX1: $i,SX2: $i] :
                    ( ( SX2
                     != ( relation_image @ SX0 @ SX1 ) )
                    | ~ ( ~ ! [SX3: $i] :
                              ( ! [SX4: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SX4 @ SX3 ) @ SX0 )
                                  | ~ ( in @ SX4 @ SX1 ) )
                              | ( in @ SX3 @ SX2 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SX2 )
                              | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX3 ) @ SX0 )
                                  | ~ ( in @ ( sK13_E @ SX3 @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[308]) ).

thf(342,plain,
    ( ( ~ ( ~ ~ ( empty @ sK6_A )
          | ~ ( relation @ sK6_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[328]) ).

thf(343,plain,
    ( ( ~ ( ~ ( empty @ sK8_A )
          | ~ ( relation @ sK8_A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[326]) ).

thf(344,plain,
    ! [SV43: $i] :
      ( ( ! [SY91: $i] :
            ( ~ ( in @ SV43 @ SY91 )
            | ~ ( in @ SY91 @ SV43 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[305]) ).

thf(345,plain,
    ! [SV44: $i] :
      ( ( ~ ( empty @ SV44 )
        | ( relation @ SV44 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[306]) ).

thf(346,plain,
    ! [SV45: $i] :
      ( ( ! [SY92: $i] :
            ( ( unordered_pair @ SV45 @ SY92 )
            = ( unordered_pair @ SY92 @ SV45 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[307]) ).

thf(347,plain,
    ! [SV46: $i] :
      ( ( ! [SY93: $i] :
            ( ( ordered_pair @ SV46 @ SY93 )
            = ( unordered_pair @ ( unordered_pair @ SV46 @ SY93 ) @ ( singleton @ SV46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[310]) ).

thf(348,plain,
    ! [SV47: $i] :
      ( ( element @ ( sK9_B @ SV47 ) @ SV47 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[318]) ).

thf(349,plain,
    ! [SV48: $i] :
      ( ( ! [SY94: $i] :
            ~ ( empty @ ( ordered_pair @ SV48 @ SY94 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[320]) ).

thf(350,plain,
    ! [SV49: $i] :
      ( ( ~ ( empty @ ( singleton @ SV49 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[321]) ).

thf(351,plain,
    ! [SV50: $i] :
      ( ( ! [SY95: $i] :
            ~ ( empty @ ( unordered_pair @ SV50 @ SY95 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[322]) ).

thf(352,plain,
    ! [SV51: $i] :
      ( ( ( empty @ SV51 )
        | ~ ( relation @ SV51 )
        | ~ ( empty @ ( relation_dom @ SV51 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[324]) ).

thf(353,plain,
    ( ( empty @ sK5_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[329]) ).

thf(354,plain,
    ! [SV52: $i] :
      ( ( ! [SY96: $i] :
            ( ~ ( in @ SV52 @ SY96 )
            | ( element @ SV52 @ SY96 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[330]) ).

thf(355,plain,
    ! [SV53: $i] :
      ( ( ! [SY97: $i] :
            ( ~ ( element @ SV53 @ SY97 )
            | ( empty @ SY97 )
            | ( in @ SV53 @ SY97 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[331]) ).

thf(356,plain,
    ! [SV54: $i] :
      ( ( ~ ( empty @ SV54 )
        | ( SV54 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[332]) ).

thf(357,plain,
    ! [SV55: $i] :
      ( ( ! [SY98: $i] :
            ( ~ ( empty @ SY98 )
            | ~ ( in @ SV55 @ SY98 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[333]) ).

thf(358,plain,
    ! [SV56: $i] :
      ( ( ! [SY99: $i] :
            ( ( SV56 = SY99 )
            | ~ ( empty @ SV56 )
            | ~ ( empty @ SY99 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[334]) ).

thf(359,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
                  | ~ ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 ) )
            | ~ ( in @ sK4_SY47 @ sK2_SY42 ) )
      | ~ ~ ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[337]) ).

thf(360,plain,
    ! [SV57: $i] :
      ( ( ~ ( relation @ SV57 )
        | ~ ( ~ ! [SY100: $i] :
                  ( ~ ( ~ ( ! [SY101: $i] :
                              ~ ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ SY101 ) @ SV57 )
                          | ~ ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) )
                      | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ ( sK12_SY49 @ SY100 @ SV57 ) ) @ SV57 )
                          | ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) ) )
                  | ( SY100
                    = ( relation_dom @ SV57 ) ) )
            | ~ ! [SY102: $i] :
                  ( ( SY102
                   != ( relation_dom @ SV57 ) )
                  | ~ ( ~ ! [SY103: $i] :
                            ( ! [SY104: $i] :
                                ~ ( in @ ( ordered_pair @ SY103 @ SY104 ) @ SV57 )
                            | ( in @ SY103 @ SY102 ) )
                      | ~ ! [SY105: $i] :
                            ( ~ ( in @ SY105 @ SY102 )
                            | ( in @ ( ordered_pair @ SY105 @ ( sK10_D @ SY105 @ SY102 @ SV57 ) ) @ SV57 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[338]) ).

thf(361,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[339]) ).

thf(362,plain,
    ( ( ~ ( empty @ empty_set )
      | ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[340]) ).

thf(363,plain,
    ! [SV58: $i] :
      ( ( ~ ( relation @ SV58 )
        | ~ ( ~ ! [SY106: $i,SY107: $i] :
                  ( ~ ( ~ ( ! [SY108: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY108 @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                              | ~ ( in @ SY108 @ SY106 ) )
                          | ~ ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) )
                      | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                              | ~ ( in @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ SY106 ) )
                          | ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) ) )
                  | ( SY107
                    = ( relation_image @ SV58 @ SY106 ) ) )
            | ~ ! [SY109: $i,SY110: $i] :
                  ( ( SY110
                   != ( relation_image @ SV58 @ SY109 ) )
                  | ~ ( ~ ! [SY111: $i] :
                            ( ! [SY112: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY112 @ SY111 ) @ SV58 )
                                | ~ ( in @ SY112 @ SY109 ) )
                            | ( in @ SY111 @ SY110 ) )
                      | ~ ! [SY113: $i] :
                            ( ~ ( in @ SY113 @ SY110 )
                            | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY113 ) @ SV58 )
                                | ~ ( in @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY109 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[341]) ).

thf(364,plain,
    ( ( ~ ~ ( empty @ sK6_A )
      | ~ ( relation @ sK6_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[342]) ).

thf(365,plain,
    ( ( ~ ( empty @ sK8_A )
      | ~ ( relation @ sK8_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[343]) ).

thf(366,plain,
    ! [SV59: $i,SV43: $i] :
      ( ( ~ ( in @ SV43 @ SV59 )
        | ~ ( in @ SV59 @ SV43 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[344]) ).

thf(367,plain,
    ! [SV44: $i] :
      ( ( ( ~ ( empty @ SV44 ) )
        = $true )
      | ( ( relation @ SV44 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[345]) ).

thf(368,plain,
    ! [SV60: $i,SV45: $i] :
      ( ( ( unordered_pair @ SV45 @ SV60 )
        = ( unordered_pair @ SV60 @ SV45 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[346]) ).

thf(369,plain,
    ! [SV61: $i,SV46: $i] :
      ( ( ( ordered_pair @ SV46 @ SV61 )
        = ( unordered_pair @ ( unordered_pair @ SV46 @ SV61 ) @ ( singleton @ SV46 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[347]) ).

thf(370,plain,
    ! [SV62: $i,SV48: $i] :
      ( ( ~ ( empty @ ( ordered_pair @ SV48 @ SV62 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[349]) ).

thf(371,plain,
    ! [SV49: $i] :
      ( ( empty @ ( singleton @ SV49 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[350]) ).

thf(372,plain,
    ! [SV63: $i,SV50: $i] :
      ( ( ~ ( empty @ ( unordered_pair @ SV50 @ SV63 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[351]) ).

thf(373,plain,
    ! [SV51: $i] :
      ( ( ( ( empty @ SV51 )
          | ~ ( relation @ SV51 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV51 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[352]) ).

thf(374,plain,
    ! [SV64: $i,SV52: $i] :
      ( ( ~ ( in @ SV52 @ SV64 )
        | ( element @ SV52 @ SV64 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[354]) ).

thf(375,plain,
    ! [SV65: $i,SV53: $i] :
      ( ( ~ ( element @ SV53 @ SV65 )
        | ( empty @ SV65 )
        | ( in @ SV53 @ SV65 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[355]) ).

thf(376,plain,
    ! [SV54: $i] :
      ( ( ( ~ ( empty @ SV54 ) )
        = $true )
      | ( ( SV54 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[356]) ).

thf(377,plain,
    ! [SV55: $i,SV66: $i] :
      ( ( ~ ( empty @ SV66 )
        | ~ ( in @ SV55 @ SV66 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[357]) ).

thf(378,plain,
    ! [SV67: $i,SV56: $i] :
      ( ( ( SV56 = SV67 )
        | ~ ( empty @ SV56 )
        | ~ ( empty @ SV67 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[358]) ).

thf(379,plain,
    ( ( ~ ~ ( ~ ~ ( ~ ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
                  | ~ ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 ) )
            | ~ ( in @ sK4_SY47 @ sK2_SY42 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[359]) ).

thf(380,plain,
    ( ( ~ ~ ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[359]) ).

thf(381,plain,
    ! [SV57: $i] :
      ( ( ( ~ ( relation @ SV57 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY100: $i] :
                    ( ~ ( ~ ( ! [SY101: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ SY101 ) @ SV57 )
                            | ~ ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ ( sK12_SY49 @ SY100 @ SV57 ) ) @ SV57 )
                            | ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) ) )
                    | ( SY100
                      = ( relation_dom @ SV57 ) ) )
              | ~ ! [SY102: $i] :
                    ( ( SY102
                     != ( relation_dom @ SV57 ) )
                    | ~ ( ~ ! [SY103: $i] :
                              ( ! [SY104: $i] :
                                  ~ ( in @ ( ordered_pair @ SY103 @ SY104 ) @ SV57 )
                              | ( in @ SY103 @ SY102 ) )
                        | ~ ! [SY105: $i] :
                              ( ~ ( in @ SY105 @ SY102 )
                              | ( in @ ( ordered_pair @ SY105 @ ( sK10_D @ SY105 @ SY102 @ SV57 ) ) @ SV57 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[360]) ).

thf(382,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[361]) ).

thf(383,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[361]) ).

thf(384,plain,
    ( ( ~ ( empty @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[362]) ).

thf(385,plain,
    ( ( ~ ( relation @ empty_set ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[362]) ).

thf(386,plain,
    ! [SV58: $i] :
      ( ( ( ~ ( relation @ SV58 ) )
        = $true )
      | ( ( ~ ( ~ ! [SY106: $i,SY107: $i] :
                    ( ~ ( ~ ( ! [SY108: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY108 @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                                | ~ ( in @ SY108 @ SY106 ) )
                            | ~ ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                                | ~ ( in @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ SY106 ) )
                            | ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) ) )
                    | ( SY107
                      = ( relation_image @ SV58 @ SY106 ) ) )
              | ~ ! [SY109: $i,SY110: $i] :
                    ( ( SY110
                     != ( relation_image @ SV58 @ SY109 ) )
                    | ~ ( ~ ! [SY111: $i] :
                              ( ! [SY112: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY112 @ SY111 ) @ SV58 )
                                  | ~ ( in @ SY112 @ SY109 ) )
                              | ( in @ SY111 @ SY110 ) )
                        | ~ ! [SY113: $i] :
                              ( ~ ( in @ SY113 @ SY110 )
                              | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY113 ) @ SV58 )
                                  | ~ ( in @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY109 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[363]) ).

thf(387,plain,
    ( ( ~ ~ ( empty @ sK6_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[364]) ).

thf(388,plain,
    ( ( ~ ( relation @ sK6_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[364]) ).

thf(389,plain,
    ( ( ~ ( empty @ sK8_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[365]) ).

thf(390,plain,
    ( ( ~ ( relation @ sK8_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[365]) ).

thf(391,plain,
    ! [SV59: $i,SV43: $i] :
      ( ( ( ~ ( in @ SV43 @ SV59 ) )
        = $true )
      | ( ( ~ ( in @ SV59 @ SV43 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[366]) ).

thf(392,plain,
    ! [SV44: $i] :
      ( ( ( empty @ SV44 )
        = $false )
      | ( ( relation @ SV44 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[367]) ).

thf(393,plain,
    ! [SV62: $i,SV48: $i] :
      ( ( empty @ ( ordered_pair @ SV48 @ SV62 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[370]) ).

thf(394,plain,
    ! [SV63: $i,SV50: $i] :
      ( ( empty @ ( unordered_pair @ SV50 @ SV63 ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[372]) ).

thf(395,plain,
    ! [SV51: $i] :
      ( ( ( empty @ SV51 )
        = $true )
      | ( ( ~ ( relation @ SV51 ) )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV51 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[373]) ).

thf(396,plain,
    ! [SV64: $i,SV52: $i] :
      ( ( ( ~ ( in @ SV52 @ SV64 ) )
        = $true )
      | ( ( element @ SV52 @ SV64 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[374]) ).

thf(397,plain,
    ! [SV65: $i,SV53: $i] :
      ( ( ( ~ ( element @ SV53 @ SV65 ) )
        = $true )
      | ( ( ( empty @ SV65 )
          | ( in @ SV53 @ SV65 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[375]) ).

thf(398,plain,
    ! [SV54: $i] :
      ( ( ( empty @ SV54 )
        = $false )
      | ( ( SV54 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[376]) ).

thf(399,plain,
    ! [SV55: $i,SV66: $i] :
      ( ( ( ~ ( empty @ SV66 ) )
        = $true )
      | ( ( ~ ( in @ SV55 @ SV66 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[377]) ).

thf(400,plain,
    ! [SV67: $i,SV56: $i] :
      ( ( ( ( SV56 = SV67 )
          | ~ ( empty @ SV56 ) )
        = $true )
      | ( ( ~ ( empty @ SV67 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[378]) ).

thf(401,plain,
    ( ( ~ ( ~ ~ ( ~ ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
                | ~ ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 ) )
          | ~ ( in @ sK4_SY47 @ sK2_SY42 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[379]) ).

thf(402,plain,
    ( ( ~ ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[380]) ).

thf(403,plain,
    ! [SV57: $i] :
      ( ( ( relation @ SV57 )
        = $false )
      | ( ( ~ ( ~ ! [SY100: $i] :
                    ( ~ ( ~ ( ! [SY101: $i] :
                                ~ ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ SY101 ) @ SV57 )
                            | ~ ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) )
                        | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ ( sK12_SY49 @ SY100 @ SV57 ) ) @ SV57 )
                            | ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) ) )
                    | ( SY100
                      = ( relation_dom @ SV57 ) ) )
              | ~ ! [SY102: $i] :
                    ( ( SY102
                     != ( relation_dom @ SV57 ) )
                    | ~ ( ~ ! [SY103: $i] :
                              ( ! [SY104: $i] :
                                  ~ ( in @ ( ordered_pair @ SY103 @ SY104 ) @ SV57 )
                              | ( in @ SY103 @ SY102 ) )
                        | ~ ! [SY105: $i] :
                              ( ~ ( in @ SY105 @ SY102 )
                              | ( in @ ( ordered_pair @ SY105 @ ( sK10_D @ SY105 @ SY102 @ SV57 ) ) @ SV57 ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[381]) ).

thf(404,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( empty @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[382]) ).

thf(405,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ( relation @ ( relation_dom @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[383]) ).

thf(406,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[384]) ).

thf(407,plain,
    ( ( relation @ empty_set )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[385]) ).

thf(408,plain,
    ! [SV58: $i] :
      ( ( ( relation @ SV58 )
        = $false )
      | ( ( ~ ( ~ ! [SY106: $i,SY107: $i] :
                    ( ~ ( ~ ( ! [SY108: $i] :
                                ( ~ ( in @ ( ordered_pair @ SY108 @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                                | ~ ( in @ SY108 @ SY106 ) )
                            | ~ ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) )
                        | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                                | ~ ( in @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ SY106 ) )
                            | ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) ) )
                    | ( SY107
                      = ( relation_image @ SV58 @ SY106 ) ) )
              | ~ ! [SY109: $i,SY110: $i] :
                    ( ( SY110
                     != ( relation_image @ SV58 @ SY109 ) )
                    | ~ ( ~ ! [SY111: $i] :
                              ( ! [SY112: $i] :
                                  ( ~ ( in @ ( ordered_pair @ SY112 @ SY111 ) @ SV58 )
                                  | ~ ( in @ SY112 @ SY109 ) )
                              | ( in @ SY111 @ SY110 ) )
                        | ~ ! [SY113: $i] :
                              ( ~ ( in @ SY113 @ SY110 )
                              | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY113 ) @ SV58 )
                                  | ~ ( in @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY109 ) ) ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[386]) ).

thf(409,plain,
    ( ( ~ ( empty @ sK6_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[387]) ).

thf(410,plain,
    ( ( relation @ sK6_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[388]) ).

thf(411,plain,
    ( ( empty @ sK8_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[389]) ).

thf(412,plain,
    ( ( relation @ sK8_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[390]) ).

thf(413,plain,
    ! [SV59: $i,SV43: $i] :
      ( ( ( in @ SV43 @ SV59 )
        = $false )
      | ( ( ~ ( in @ SV59 @ SV43 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[391]) ).

thf(414,plain,
    ! [SV51: $i] :
      ( ( ( relation @ SV51 )
        = $false )
      | ( ( empty @ SV51 )
        = $true )
      | ( ( ~ ( empty @ ( relation_dom @ SV51 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[395]) ).

thf(415,plain,
    ! [SV64: $i,SV52: $i] :
      ( ( ( in @ SV52 @ SV64 )
        = $false )
      | ( ( element @ SV52 @ SV64 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[396]) ).

thf(416,plain,
    ! [SV65: $i,SV53: $i] :
      ( ( ( element @ SV53 @ SV65 )
        = $false )
      | ( ( ( empty @ SV65 )
          | ( in @ SV53 @ SV65 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[397]) ).

thf(417,plain,
    ! [SV55: $i,SV66: $i] :
      ( ( ( empty @ SV66 )
        = $false )
      | ( ( ~ ( in @ SV55 @ SV66 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[399]) ).

thf(418,plain,
    ! [SV67: $i,SV56: $i] :
      ( ( ( SV56 = SV67 )
        = $true )
      | ( ( ~ ( empty @ SV56 ) )
        = $true )
      | ( ( ~ ( empty @ SV67 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[400]) ).

thf(419,plain,
    ( ( ~ ~ ( ~ ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
            | ~ ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 ) )
      | ~ ( in @ sK4_SY47 @ sK2_SY42 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[401]) ).

thf(420,plain,
    ( ( in @ sK1_A @ ( relation_image @ sK3_SY45 @ sK2_SY42 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[402]) ).

thf(421,plain,
    ! [SV57: $i] :
      ( ( ( ~ ! [SY100: $i] :
                ( ~ ( ~ ( ! [SY101: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ SY101 ) @ SV57 )
                        | ~ ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ ( sK12_SY49 @ SY100 @ SV57 ) ) @ SV57 )
                        | ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) ) )
                | ( SY100
                  = ( relation_dom @ SV57 ) ) )
          | ~ ! [SY102: $i] :
                ( ( SY102
                 != ( relation_dom @ SV57 ) )
                | ~ ( ~ ! [SY103: $i] :
                          ( ! [SY104: $i] :
                              ~ ( in @ ( ordered_pair @ SY103 @ SY104 ) @ SV57 )
                          | ( in @ SY103 @ SY102 ) )
                    | ~ ! [SY105: $i] :
                          ( ~ ( in @ SY105 @ SY102 )
                          | ( in @ ( ordered_pair @ SY105 @ ( sK10_D @ SY105 @ SY102 @ SV57 ) ) @ SV57 ) ) ) ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[403]) ).

thf(422,plain,
    ! [SV68: $i] :
      ( ( ~ ( empty @ SV68 )
        | ( empty @ ( relation_dom @ SV68 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[404]) ).

thf(423,plain,
    ! [SV69: $i] :
      ( ( ~ ( empty @ SV69 )
        | ( relation @ ( relation_dom @ SV69 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[405]) ).

thf(424,plain,
    ! [SV58: $i] :
      ( ( ( ~ ! [SY106: $i,SY107: $i] :
                ( ~ ( ~ ( ! [SY108: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY108 @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                            | ~ ( in @ SY108 @ SY106 ) )
                        | ~ ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                            | ~ ( in @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ SY106 ) )
                        | ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) ) )
                | ( SY107
                  = ( relation_image @ SV58 @ SY106 ) ) )
          | ~ ! [SY109: $i,SY110: $i] :
                ( ( SY110
                 != ( relation_image @ SV58 @ SY109 ) )
                | ~ ( ~ ! [SY111: $i] :
                          ( ! [SY112: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY112 @ SY111 ) @ SV58 )
                              | ~ ( in @ SY112 @ SY109 ) )
                          | ( in @ SY111 @ SY110 ) )
                    | ~ ! [SY113: $i] :
                          ( ~ ( in @ SY113 @ SY110 )
                          | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY113 ) @ SV58 )
                              | ~ ( in @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY109 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[408]) ).

thf(425,plain,
    ( ( empty @ sK6_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[409]) ).

thf(426,plain,
    ! [SV43: $i,SV59: $i] :
      ( ( ( in @ SV59 @ SV43 )
        = $false )
      | ( ( in @ SV43 @ SV59 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[413]) ).

thf(427,plain,
    ! [SV51: $i] :
      ( ( ( empty @ ( relation_dom @ SV51 ) )
        = $false )
      | ( ( empty @ SV51 )
        = $true )
      | ( ( relation @ SV51 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[414]) ).

thf(428,plain,
    ! [SV53: $i,SV65: $i] :
      ( ( ( empty @ SV65 )
        = $true )
      | ( ( in @ SV53 @ SV65 )
        = $true )
      | ( ( element @ SV53 @ SV65 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[416]) ).

thf(429,plain,
    ! [SV66: $i,SV55: $i] :
      ( ( ( in @ SV55 @ SV66 )
        = $false )
      | ( ( empty @ SV66 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[417]) ).

thf(430,plain,
    ! [SV67: $i,SV56: $i] :
      ( ( ( empty @ SV56 )
        = $false )
      | ( ( SV56 = SV67 )
        = $true )
      | ( ( ~ ( empty @ SV67 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[418]) ).

thf(431,plain,
    ( ( ~ ~ ( ~ ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
            | ~ ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[419]) ).

thf(432,plain,
    ( ( ~ ( in @ sK4_SY47 @ sK2_SY42 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[419]) ).

thf(433,plain,
    ! [SV57: $i] :
      ( ( ( ~ ! [SY100: $i] :
                ( ~ ( ~ ( ! [SY101: $i] :
                            ~ ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ SY101 ) @ SV57 )
                        | ~ ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) )
                    | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ ( sK12_SY49 @ SY100 @ SV57 ) ) @ SV57 )
                        | ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) ) )
                | ( SY100
                  = ( relation_dom @ SV57 ) ) ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[421]) ).

thf(434,plain,
    ! [SV57: $i] :
      ( ( ( ~ ! [SY102: $i] :
                ( ( SY102
                 != ( relation_dom @ SV57 ) )
                | ~ ( ~ ! [SY103: $i] :
                          ( ! [SY104: $i] :
                              ~ ( in @ ( ordered_pair @ SY103 @ SY104 ) @ SV57 )
                          | ( in @ SY103 @ SY102 ) )
                    | ~ ! [SY105: $i] :
                          ( ~ ( in @ SY105 @ SY102 )
                          | ( in @ ( ordered_pair @ SY105 @ ( sK10_D @ SY105 @ SY102 @ SV57 ) ) @ SV57 ) ) ) ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[421]) ).

thf(435,plain,
    ! [SV68: $i] :
      ( ( ( ~ ( empty @ SV68 ) )
        = $true )
      | ( ( empty @ ( relation_dom @ SV68 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[422]) ).

thf(436,plain,
    ! [SV69: $i] :
      ( ( ( ~ ( empty @ SV69 ) )
        = $true )
      | ( ( relation @ ( relation_dom @ SV69 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[423]) ).

thf(437,plain,
    ! [SV58: $i] :
      ( ( ( ~ ! [SY106: $i,SY107: $i] :
                ( ~ ( ~ ( ! [SY108: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY108 @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                            | ~ ( in @ SY108 @ SY106 ) )
                        | ~ ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) )
                    | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                            | ~ ( in @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ SY106 ) )
                        | ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) ) )
                | ( SY107
                  = ( relation_image @ SV58 @ SY106 ) ) ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[424]) ).

thf(438,plain,
    ! [SV58: $i] :
      ( ( ( ~ ! [SY109: $i,SY110: $i] :
                ( ( SY110
                 != ( relation_image @ SV58 @ SY109 ) )
                | ~ ( ~ ! [SY111: $i] :
                          ( ! [SY112: $i] :
                              ( ~ ( in @ ( ordered_pair @ SY112 @ SY111 ) @ SV58 )
                              | ~ ( in @ SY112 @ SY109 ) )
                          | ( in @ SY111 @ SY110 ) )
                    | ~ ! [SY113: $i] :
                          ( ~ ( in @ SY113 @ SY110 )
                          | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY113 ) @ SV58 )
                              | ~ ( in @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY109 ) ) ) ) ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[424]) ).

thf(439,plain,
    ! [SV56: $i,SV67: $i] :
      ( ( ( empty @ SV67 )
        = $false )
      | ( ( SV56 = SV67 )
        = $true )
      | ( ( empty @ SV56 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[430]) ).

thf(440,plain,
    ( ( ~ ( ~ ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
          | ~ ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[431]) ).

thf(441,plain,
    ( ( in @ sK4_SY47 @ sK2_SY42 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[432]) ).

thf(442,plain,
    ! [SV57: $i] :
      ( ( ( ! [SY100: $i] :
              ( ~ ( ~ ( ! [SY101: $i] :
                          ~ ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ SY101 ) @ SV57 )
                      | ~ ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) )
                  | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SY100 @ SV57 ) @ ( sK12_SY49 @ SY100 @ SV57 ) ) @ SV57 )
                      | ( in @ ( sK11_C @ SY100 @ SV57 ) @ SY100 ) ) )
              | ( SY100
                = ( relation_dom @ SV57 ) ) ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[433]) ).

thf(443,plain,
    ! [SV57: $i] :
      ( ( ( ! [SY102: $i] :
              ( ( SY102
               != ( relation_dom @ SV57 ) )
              | ~ ( ~ ! [SY103: $i] :
                        ( ! [SY104: $i] :
                            ~ ( in @ ( ordered_pair @ SY103 @ SY104 ) @ SV57 )
                        | ( in @ SY103 @ SY102 ) )
                  | ~ ! [SY105: $i] :
                        ( ~ ( in @ SY105 @ SY102 )
                        | ( in @ ( ordered_pair @ SY105 @ ( sK10_D @ SY105 @ SY102 @ SV57 ) ) @ SV57 ) ) ) ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[434]) ).

thf(444,plain,
    ! [SV68: $i] :
      ( ( ( empty @ SV68 )
        = $false )
      | ( ( empty @ ( relation_dom @ SV68 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[435]) ).

thf(445,plain,
    ! [SV69: $i] :
      ( ( ( empty @ SV69 )
        = $false )
      | ( ( relation @ ( relation_dom @ SV69 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[436]) ).

thf(446,plain,
    ! [SV58: $i] :
      ( ( ( ! [SY106: $i,SY107: $i] :
              ( ~ ( ~ ( ! [SY108: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY108 @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                          | ~ ( in @ SY108 @ SY106 ) )
                      | ~ ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ ( sK14_D @ SY107 @ SY106 @ SV58 ) ) @ SV58 )
                          | ~ ( in @ ( sK15_SY51 @ SY107 @ SY106 @ SV58 ) @ SY106 ) )
                      | ( in @ ( sK14_D @ SY107 @ SY106 @ SV58 ) @ SY107 ) ) )
              | ( SY107
                = ( relation_image @ SV58 @ SY106 ) ) ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[437]) ).

thf(447,plain,
    ! [SV58: $i] :
      ( ( ( ! [SY109: $i,SY110: $i] :
              ( ( SY110
               != ( relation_image @ SV58 @ SY109 ) )
              | ~ ( ~ ! [SY111: $i] :
                        ( ! [SY112: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY112 @ SY111 ) @ SV58 )
                            | ~ ( in @ SY112 @ SY109 ) )
                        | ( in @ SY111 @ SY110 ) )
                  | ~ ! [SY113: $i] :
                        ( ~ ( in @ SY113 @ SY110 )
                        | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY113 ) @ SV58 )
                            | ~ ( in @ ( sK13_E @ SY113 @ SY110 @ SY109 @ SV58 ) @ SY109 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[438]) ).

thf(448,plain,
    ( ( ~ ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
      | ~ ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[440]) ).

thf(449,plain,
    ! [SV57: $i,SV70: $i] :
      ( ( ( ~ ( ~ ( ! [SY114: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ SY114 ) @ SV57 )
                  | ~ ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ ( sK12_SY49 @ SV70 @ SV57 ) ) @ SV57 )
                  | ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) ) )
          | ( SV70
            = ( relation_dom @ SV57 ) ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[442]) ).

thf(450,plain,
    ! [SV57: $i,SV71: $i] :
      ( ( ( ( SV71
           != ( relation_dom @ SV57 ) )
          | ~ ( ~ ! [SY115: $i] :
                    ( ! [SY104: $i] :
                        ~ ( in @ ( ordered_pair @ SY115 @ SY104 ) @ SV57 )
                    | ( in @ SY115 @ SV71 ) )
              | ~ ! [SY117: $i] :
                    ( ~ ( in @ SY117 @ SV71 )
                    | ( in @ ( ordered_pair @ SY117 @ ( sK10_D @ SY117 @ SV71 @ SV57 ) ) @ SV57 ) ) ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[443]) ).

thf(451,plain,
    ! [SV58: $i,SV72: $i] :
      ( ( ( ! [SY118: $i] :
              ( ~ ( ~ ( ! [SY119: $i] :
                          ( ~ ( in @ ( ordered_pair @ SY119 @ ( sK14_D @ SY118 @ SV72 @ SV58 ) ) @ SV58 )
                          | ~ ( in @ SY119 @ SV72 ) )
                      | ~ ( in @ ( sK14_D @ SY118 @ SV72 @ SV58 ) @ SY118 ) )
                  | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SY118 @ SV72 @ SV58 ) @ ( sK14_D @ SY118 @ SV72 @ SV58 ) ) @ SV58 )
                          | ~ ( in @ ( sK15_SY51 @ SY118 @ SV72 @ SV58 ) @ SV72 ) )
                      | ( in @ ( sK14_D @ SY118 @ SV72 @ SV58 ) @ SY118 ) ) )
              | ( SY118
                = ( relation_image @ SV58 @ SV72 ) ) ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[446]) ).

thf(452,plain,
    ! [SV73: $i,SV58: $i] :
      ( ( ( ! [SY120: $i] :
              ( ( SY120
               != ( relation_image @ SV58 @ SV73 ) )
              | ~ ( ~ ! [SY121: $i] :
                        ( ! [SY122: $i] :
                            ( ~ ( in @ ( ordered_pair @ SY122 @ SY121 ) @ SV58 )
                            | ~ ( in @ SY122 @ SV73 ) )
                        | ( in @ SY121 @ SY120 ) )
                  | ~ ! [SY123: $i] :
                        ( ~ ( in @ SY123 @ SY120 )
                        | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY123 @ SY120 @ SV73 @ SV58 ) @ SY123 ) @ SV58 )
                            | ~ ( in @ ( sK13_E @ SY123 @ SY120 @ SV73 @ SV58 ) @ SV73 ) ) ) ) ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[447]) ).

thf(453,plain,
    ( ( ~ ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[448]) ).

thf(454,plain,
    ( ( ~ ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[448]) ).

thf(455,plain,
    ! [SV57: $i,SV70: $i] :
      ( ( ( ~ ( ~ ( ! [SY114: $i] :
                      ~ ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ SY114 ) @ SV57 )
                  | ~ ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) )
              | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ ( sK12_SY49 @ SV70 @ SV57 ) ) @ SV57 )
                  | ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) ) ) )
        = $true )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[449]) ).

thf(456,plain,
    ! [SV57: $i,SV71: $i] :
      ( ( ( ( SV71
           != ( relation_dom @ SV57 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY115: $i] :
                    ( ! [SY104: $i] :
                        ~ ( in @ ( ordered_pair @ SY115 @ SY104 ) @ SV57 )
                    | ( in @ SY115 @ SV71 ) )
              | ~ ! [SY117: $i] :
                    ( ~ ( in @ SY117 @ SV71 )
                    | ( in @ ( ordered_pair @ SY117 @ ( sK10_D @ SY117 @ SV71 @ SV57 ) ) @ SV57 ) ) ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[450]) ).

thf(457,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( ~ ( ! [SY124: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY124 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
                      | ~ ( in @ SY124 @ SV72 ) )
                  | ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
                      | ~ ( in @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ SV72 ) )
                  | ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) ) )
          | ( SV74
            = ( relation_image @ SV58 @ SV72 ) ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[451]) ).

thf(458,plain,
    ! [SV73: $i,SV58: $i,SV75: $i] :
      ( ( ( ( SV75
           != ( relation_image @ SV58 @ SV73 ) )
          | ~ ( ~ ! [SY125: $i] :
                    ( ! [SY122: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY122 @ SY125 ) @ SV58 )
                        | ~ ( in @ SY122 @ SV73 ) )
                    | ( in @ SY125 @ SV75 ) )
              | ~ ! [SY127: $i] :
                    ( ~ ( in @ SY127 @ SV75 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SY127 ) @ SV58 )
                        | ~ ( in @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SV73 ) ) ) ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[452]) ).

thf(459,plain,
    ( ( in @ sK4_SY47 @ ( relation_dom @ sK3_SY45 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[453]) ).

thf(460,plain,
    ( ( in @ ( ordered_pair @ sK4_SY47 @ sK1_A ) @ sK3_SY45 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[454]) ).

thf(461,plain,
    ! [SV57: $i,SV70: $i] :
      ( ( ( ~ ( ! [SY114: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ SY114 ) @ SV57 )
              | ~ ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) )
          | ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ ( sK12_SY49 @ SV70 @ SV57 ) ) @ SV57 )
              | ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) ) )
        = $false )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[455]) ).

thf(462,plain,
    ! [SV57: $i,SV71: $i] :
      ( ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY115: $i] :
                    ( ! [SY104: $i] :
                        ~ ( in @ ( ordered_pair @ SY115 @ SY104 ) @ SV57 )
                    | ( in @ SY115 @ SV71 ) )
              | ~ ! [SY117: $i] :
                    ( ~ ( in @ SY117 @ SV71 )
                    | ( in @ ( ordered_pair @ SY117 @ ( sK10_D @ SY117 @ SV71 @ SV57 ) ) @ SV57 ) ) ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[456]) ).

thf(463,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( ~ ( ! [SY124: $i] :
                      ( ~ ( in @ ( ordered_pair @ SY124 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
                      | ~ ( in @ SY124 @ SV72 ) )
                  | ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
              | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
                      | ~ ( in @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ SV72 ) )
                  | ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) ) ) )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[457]) ).

thf(464,plain,
    ! [SV73: $i,SV58: $i,SV75: $i] :
      ( ( ( ( SV75
           != ( relation_image @ SV58 @ SV73 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY125: $i] :
                    ( ! [SY122: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY122 @ SY125 ) @ SV58 )
                        | ~ ( in @ SY122 @ SV73 ) )
                    | ( in @ SY125 @ SV75 ) )
              | ~ ! [SY127: $i] :
                    ( ~ ( in @ SY127 @ SV75 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SY127 ) @ SV58 )
                        | ~ ( in @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SV73 ) ) ) ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[458]) ).

thf(465,plain,
    ! [SV57: $i,SV70: $i] :
      ( ( ( ~ ( ! [SY114: $i] :
                  ~ ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ SY114 ) @ SV57 )
              | ~ ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) ) )
        = $false )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[461]) ).

thf(466,plain,
    ! [SV57: $i,SV70: $i] :
      ( ( ( ~ ( ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ ( sK12_SY49 @ SV70 @ SV57 ) ) @ SV57 )
              | ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) ) )
        = $false )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[461]) ).

thf(467,plain,
    ! [SV71: $i,SV57: $i] :
      ( ( ( ~ ! [SY115: $i] :
                ( ! [SY104: $i] :
                    ~ ( in @ ( ordered_pair @ SY115 @ SY104 ) @ SV57 )
                | ( in @ SY115 @ SV71 ) )
          | ~ ! [SY117: $i] :
                ( ~ ( in @ SY117 @ SV71 )
                | ( in @ ( ordered_pair @ SY117 @ ( sK10_D @ SY117 @ SV71 @ SV57 ) ) @ SV57 ) ) )
        = $false )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[462]) ).

thf(468,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( ! [SY124: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY124 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
                  | ~ ( in @ SY124 @ SV72 ) )
              | ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
          | ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
                  | ~ ( in @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ SV72 ) )
              | ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) ) )
        = $false )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[463]) ).

thf(469,plain,
    ! [SV73: $i,SV58: $i,SV75: $i] :
      ( ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY125: $i] :
                    ( ! [SY122: $i] :
                        ( ~ ( in @ ( ordered_pair @ SY122 @ SY125 ) @ SV58 )
                        | ~ ( in @ SY122 @ SV73 ) )
                    | ( in @ SY125 @ SV75 ) )
              | ~ ! [SY127: $i] :
                    ( ~ ( in @ SY127 @ SV75 )
                    | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SY127 ) @ SV58 )
                        | ~ ( in @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SV73 ) ) ) ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[464]) ).

thf(470,plain,
    ! [SV57: $i,SV70: $i] :
      ( ( ( ! [SY114: $i] :
              ~ ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ SY114 ) @ SV57 )
          | ~ ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) )
        = $true )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[465]) ).

thf(471,plain,
    ! [SV57: $i,SV70: $i] :
      ( ( ( ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ ( sK12_SY49 @ SV70 @ SV57 ) ) @ SV57 )
          | ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) )
        = $true )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[466]) ).

thf(472,plain,
    ! [SV71: $i,SV57: $i] :
      ( ( ( ~ ! [SY115: $i] :
                ( ! [SY104: $i] :
                    ~ ( in @ ( ordered_pair @ SY115 @ SY104 ) @ SV57 )
                | ( in @ SY115 @ SV71 ) ) )
        = $false )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[467]) ).

thf(473,plain,
    ! [SV57: $i,SV71: $i] :
      ( ( ( ~ ! [SY117: $i] :
                ( ~ ( in @ SY117 @ SV71 )
                | ( in @ ( ordered_pair @ SY117 @ ( sK10_D @ SY117 @ SV71 @ SV57 ) ) @ SV57 ) ) )
        = $false )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[467]) ).

thf(474,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( ! [SY124: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY124 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
                  | ~ ( in @ SY124 @ SV72 ) )
              | ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) ) )
        = $false )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[468]) ).

thf(475,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
                  | ~ ( in @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ SV72 ) )
              | ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) ) )
        = $false )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[468]) ).

thf(476,plain,
    ! [SV75: $i,SV73: $i,SV58: $i] :
      ( ( ( ~ ! [SY125: $i] :
                ( ! [SY122: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY122 @ SY125 ) @ SV58 )
                    | ~ ( in @ SY122 @ SV73 ) )
                | ( in @ SY125 @ SV75 ) )
          | ~ ! [SY127: $i] :
                ( ~ ( in @ SY127 @ SV75 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SY127 ) @ SV58 )
                    | ~ ( in @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SV73 ) ) ) )
        = $false )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[469]) ).

thf(477,plain,
    ! [SV57: $i,SV70: $i] :
      ( ( ( ! [SY114: $i] :
              ~ ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ SY114 ) @ SV57 ) )
        = $true )
      | ( ( ~ ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) )
        = $true )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[470]) ).

thf(478,plain,
    ! [SV57: $i,SV70: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ ( sK12_SY49 @ SV70 @ SV57 ) ) @ SV57 )
        = $true )
      | ( ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 )
        = $true )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[471]) ).

thf(479,plain,
    ! [SV71: $i,SV57: $i] :
      ( ( ( ! [SY115: $i] :
              ( ! [SY104: $i] :
                  ~ ( in @ ( ordered_pair @ SY115 @ SY104 ) @ SV57 )
              | ( in @ SY115 @ SV71 ) ) )
        = $true )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[472]) ).

thf(480,plain,
    ! [SV57: $i,SV71: $i] :
      ( ( ( ! [SY117: $i] :
              ( ~ ( in @ SY117 @ SV71 )
              | ( in @ ( ordered_pair @ SY117 @ ( sK10_D @ SY117 @ SV71 @ SV57 ) ) @ SV57 ) ) )
        = $true )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[473]) ).

thf(481,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ! [SY124: $i] :
              ( ~ ( in @ ( ordered_pair @ SY124 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
              | ~ ( in @ SY124 @ SV72 ) )
          | ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[474]) ).

thf(482,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
              | ~ ( in @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ SV72 ) )
          | ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[475]) ).

thf(483,plain,
    ! [SV75: $i,SV73: $i,SV58: $i] :
      ( ( ( ~ ! [SY125: $i] :
                ( ! [SY122: $i] :
                    ( ~ ( in @ ( ordered_pair @ SY122 @ SY125 ) @ SV58 )
                    | ~ ( in @ SY122 @ SV73 ) )
                | ( in @ SY125 @ SV75 ) ) )
        = $false )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[476]) ).

thf(484,plain,
    ! [SV58: $i,SV73: $i,SV75: $i] :
      ( ( ( ~ ! [SY127: $i] :
                ( ~ ( in @ SY127 @ SV75 )
                | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SY127 ) @ SV58 )
                    | ~ ( in @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SV73 ) ) ) )
        = $false )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[476]) ).

thf(485,plain,
    ! [SV76: $i,SV57: $i,SV70: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ SV76 ) @ SV57 ) )
        = $true )
      | ( ( ~ ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) )
        = $true )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[477]) ).

thf(486,plain,
    ! [SV71: $i,SV57: $i,SV77: $i] :
      ( ( ( ! [SY128: $i] :
              ~ ( in @ ( ordered_pair @ SV77 @ SY128 ) @ SV57 )
          | ( in @ SV77 @ SV71 ) )
        = $true )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[479]) ).

thf(487,plain,
    ! [SV57: $i,SV71: $i,SV78: $i] :
      ( ( ( ~ ( in @ SV78 @ SV71 )
          | ( in @ ( ordered_pair @ SV78 @ ( sK10_D @ SV78 @ SV71 @ SV57 ) ) @ SV57 ) )
        = $true )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[480]) ).

thf(488,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ! [SY124: $i] :
              ( ~ ( in @ ( ordered_pair @ SY124 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
              | ~ ( in @ SY124 @ SV72 ) ) )
        = $true )
      | ( ( ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[481]) ).

thf(489,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
              | ~ ( in @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ SV72 ) ) )
        = $true )
      | ( ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[482]) ).

thf(490,plain,
    ! [SV75: $i,SV73: $i,SV58: $i] :
      ( ( ( ! [SY125: $i] :
              ( ! [SY122: $i] :
                  ( ~ ( in @ ( ordered_pair @ SY122 @ SY125 ) @ SV58 )
                  | ~ ( in @ SY122 @ SV73 ) )
              | ( in @ SY125 @ SV75 ) ) )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[483]) ).

thf(491,plain,
    ! [SV58: $i,SV73: $i,SV75: $i] :
      ( ( ( ! [SY127: $i] :
              ( ~ ( in @ SY127 @ SV75 )
              | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SY127 ) @ SV58 )
                  | ~ ( in @ ( sK13_E @ SY127 @ SV75 @ SV73 @ SV58 ) @ SV73 ) ) ) )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[484]) ).

thf(492,plain,
    ! [SV76: $i,SV57: $i,SV70: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ SV76 ) @ SV57 )
        = $false )
      | ( ( ~ ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 ) )
        = $true )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[485]) ).

thf(493,plain,
    ! [SV71: $i,SV57: $i,SV77: $i] :
      ( ( ( ! [SY128: $i] :
              ~ ( in @ ( ordered_pair @ SV77 @ SY128 ) @ SV57 ) )
        = $true )
      | ( ( in @ SV77 @ SV71 )
        = $true )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[486]) ).

thf(494,plain,
    ! [SV57: $i,SV71: $i,SV78: $i] :
      ( ( ( ~ ( in @ SV78 @ SV71 ) )
        = $true )
      | ( ( in @ ( ordered_pair @ SV78 @ ( sK10_D @ SV78 @ SV71 @ SV57 ) ) @ SV57 )
        = $true )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[487]) ).

thf(495,plain,
    ! [SV58: $i,SV72: $i,SV74: $i,SV79: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV79 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
          | ~ ( in @ SV79 @ SV72 ) )
        = $true )
      | ( ( ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[488]) ).

thf(496,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
          | ~ ( in @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ SV72 ) )
        = $false )
      | ( ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[489]) ).

thf(497,plain,
    ! [SV75: $i,SV73: $i,SV58: $i,SV80: $i] :
      ( ( ( ! [SY129: $i] :
              ( ~ ( in @ ( ordered_pair @ SY129 @ SV80 ) @ SV58 )
              | ~ ( in @ SY129 @ SV73 ) )
          | ( in @ SV80 @ SV75 ) )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[490]) ).

thf(498,plain,
    ! [SV58: $i,SV73: $i,SV75: $i,SV81: $i] :
      ( ( ( ~ ( in @ SV81 @ SV75 )
          | ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV81 ) @ SV58 )
              | ~ ( in @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV73 ) ) )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[491]) ).

thf(499,plain,
    ! [SV76: $i,SV57: $i,SV70: $i] :
      ( ( ( in @ ( sK11_C @ SV70 @ SV57 ) @ SV70 )
        = $false )
      | ( ( in @ ( ordered_pair @ ( sK11_C @ SV70 @ SV57 ) @ SV76 ) @ SV57 )
        = $false )
      | ( ( SV70
          = ( relation_dom @ SV57 ) )
        = $true )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[492]) ).

thf(500,plain,
    ! [SV71: $i,SV57: $i,SV82: $i,SV77: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV77 @ SV82 ) @ SV57 ) )
        = $true )
      | ( ( in @ SV77 @ SV71 )
        = $true )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[493]) ).

thf(501,plain,
    ! [SV57: $i,SV71: $i,SV78: $i] :
      ( ( ( in @ SV78 @ SV71 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV78 @ ( sK10_D @ SV78 @ SV71 @ SV57 ) ) @ SV57 )
        = $true )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[494]) ).

thf(502,plain,
    ! [SV58: $i,SV72: $i,SV74: $i,SV79: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV79 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 ) )
        = $true )
      | ( ( ~ ( in @ SV79 @ SV72 ) )
        = $true )
      | ( ( ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[495]) ).

thf(503,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 ) )
        = $false )
      | ( ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[496]) ).

thf(504,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( ~ ( in @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ SV72 ) )
        = $false )
      | ( ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[496]) ).

thf(505,plain,
    ! [SV75: $i,SV73: $i,SV58: $i,SV80: $i] :
      ( ( ( ! [SY129: $i] :
              ( ~ ( in @ ( ordered_pair @ SY129 @ SV80 ) @ SV58 )
              | ~ ( in @ SY129 @ SV73 ) ) )
        = $true )
      | ( ( in @ SV80 @ SV75 )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[497]) ).

thf(506,plain,
    ! [SV58: $i,SV73: $i,SV75: $i,SV81: $i] :
      ( ( ( ~ ( in @ SV81 @ SV75 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV81 ) @ SV58 )
              | ~ ( in @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV73 ) ) )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[498]) ).

thf(507,plain,
    ! [SV71: $i,SV57: $i,SV82: $i,SV77: $i] :
      ( ( ( in @ ( ordered_pair @ SV77 @ SV82 ) @ SV57 )
        = $false )
      | ( ( in @ SV77 @ SV71 )
        = $true )
      | ( ( SV71
          = ( relation_dom @ SV57 ) )
        = $false )
      | ( ( relation @ SV57 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[500]) ).

thf(508,plain,
    ! [SV58: $i,SV72: $i,SV74: $i,SV79: $i] :
      ( ( ( in @ ( ordered_pair @ SV79 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
        = $false )
      | ( ( ~ ( in @ SV79 @ SV72 ) )
        = $true )
      | ( ( ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[502]) ).

thf(509,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
        = $true )
      | ( ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[503]) ).

thf(510,plain,
    ! [SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( in @ ( sK15_SY51 @ SV74 @ SV72 @ SV58 ) @ SV72 )
        = $true )
      | ( ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[504]) ).

thf(511,plain,
    ! [SV75: $i,SV73: $i,SV58: $i,SV80: $i,SV83: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV83 @ SV80 ) @ SV58 )
          | ~ ( in @ SV83 @ SV73 ) )
        = $true )
      | ( ( in @ SV80 @ SV75 )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[505]) ).

thf(512,plain,
    ! [SV58: $i,SV73: $i,SV75: $i,SV81: $i] :
      ( ( ( in @ SV81 @ SV75 )
        = $false )
      | ( ( ~ ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV81 ) @ SV58 )
              | ~ ( in @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV73 ) ) )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[506]) ).

thf(513,plain,
    ! [SV58: $i,SV74: $i,SV72: $i,SV79: $i] :
      ( ( ( in @ SV79 @ SV72 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV79 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
        = $false )
      | ( ( ~ ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 ) )
        = $true )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[508]) ).

thf(514,plain,
    ! [SV75: $i,SV73: $i,SV58: $i,SV80: $i,SV83: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ SV83 @ SV80 ) @ SV58 ) )
        = $true )
      | ( ( ~ ( in @ SV83 @ SV73 ) )
        = $true )
      | ( ( in @ SV80 @ SV75 )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[511]) ).

thf(515,plain,
    ! [SV58: $i,SV73: $i,SV75: $i,SV81: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV81 ) @ SV58 )
          | ~ ( in @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV73 ) )
        = $false )
      | ( ( in @ SV81 @ SV75 )
        = $false )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[512]) ).

thf(516,plain,
    ! [SV79: $i,SV58: $i,SV72: $i,SV74: $i] :
      ( ( ( in @ ( sK14_D @ SV74 @ SV72 @ SV58 ) @ SV74 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV79 @ ( sK14_D @ SV74 @ SV72 @ SV58 ) ) @ SV58 )
        = $false )
      | ( ( in @ SV79 @ SV72 )
        = $false )
      | ( ( SV74
          = ( relation_image @ SV58 @ SV72 ) )
        = $true )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[513]) ).

thf(517,plain,
    ! [SV75: $i,SV73: $i,SV58: $i,SV80: $i,SV83: $i] :
      ( ( ( in @ ( ordered_pair @ SV83 @ SV80 ) @ SV58 )
        = $false )
      | ( ( ~ ( in @ SV83 @ SV73 ) )
        = $true )
      | ( ( in @ SV80 @ SV75 )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[514]) ).

thf(518,plain,
    ! [SV58: $i,SV73: $i,SV75: $i,SV81: $i] :
      ( ( ( ~ ( in @ ( ordered_pair @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV81 ) @ SV58 ) )
        = $false )
      | ( ( in @ SV81 @ SV75 )
        = $false )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[515]) ).

thf(519,plain,
    ! [SV58: $i,SV73: $i,SV75: $i,SV81: $i] :
      ( ( ( ~ ( in @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV73 ) )
        = $false )
      | ( ( in @ SV81 @ SV75 )
        = $false )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[515]) ).

thf(520,plain,
    ! [SV75: $i,SV58: $i,SV80: $i,SV73: $i,SV83: $i] :
      ( ( ( in @ SV83 @ SV73 )
        = $false )
      | ( ( in @ ( ordered_pair @ SV83 @ SV80 ) @ SV58 )
        = $false )
      | ( ( in @ SV80 @ SV75 )
        = $true )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[517]) ).

thf(521,plain,
    ! [SV58: $i,SV73: $i,SV75: $i,SV81: $i] :
      ( ( ( in @ ( ordered_pair @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV81 ) @ SV58 )
        = $true )
      | ( ( in @ SV81 @ SV75 )
        = $false )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[518]) ).

thf(522,plain,
    ! [SV58: $i,SV73: $i,SV75: $i,SV81: $i] :
      ( ( ( in @ ( sK13_E @ SV81 @ SV75 @ SV73 @ SV58 ) @ SV73 )
        = $true )
      | ( ( in @ SV81 @ SV75 )
        = $false )
      | ( ( SV75
          = ( relation_image @ SV58 @ SV73 ) )
        = $false )
      | ( ( relation @ SV58 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[519]) ).

thf(523,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[311,522,521,520,516,510,509,507,501,499,478,460,459,445,444,441,439,429,428,427,426,425,420,415,412,411,410,407,406,398,394,393,392,371,369,368,353,348,335,327,319,317,316,315,314,313,312]) ).

thf(524,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[523,304]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SEU203+1 : TPTP v8.1.0. Released v3.3.0.
% 0.06/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.13/0.33  % Computer : n028.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sat Jun 18 20:56:29 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.13/0.35  
% 0.13/0.35   No.of.Axioms: 30
% 0.13/0.35  
% 0.13/0.35   Length.of.Defs: 0
% 0.13/0.35  
% 0.13/0.35   Contains.Choice.Funs: false
% 0.13/0.36  .
% 0.13/0.36  (rf:0,axioms:30,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:32,loop_count:0,foatp_calls:0,translation:fof_full)..............................
% 5.27/5.49  
% 5.27/5.49  ********************************
% 5.27/5.49  *   All subproblems solved!    *
% 5.27/5.49  ********************************
% 5.27/5.49  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:31,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:70,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:523,loop_count:0,foatp_calls:1,translation:fof_full)
% 5.42/5.64  
% 5.42/5.64  %**** Beginning of derivation protocol ****
% 5.42/5.64  % SZS output start CNFRefutation
% See solution above
% 5.42/5.64  
% 5.42/5.64  %**** End of derivation protocol ****
% 5.42/5.64  %**** no. of clauses in derivation: 524 ****
% 5.42/5.64  %**** clause counter: 523 ****
% 5.42/5.64  
% 5.42/5.64  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:31,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:70,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:523,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------