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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEU166+3 : TPTP v9.3.1. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n014.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Oct  7 10:43:12 AM UTC 2026

% Result   : Theorem 1.67s 0.48s
% Output   : CNFRefutation 1.67s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   47
%            Number of leaves      :    4
% Syntax   : Number of formulae    :  303 (  68 unt;   0 typ;   0 def)
%            Number of atoms       : 3356 (1400 equ;   0 cnn)
%            Maximal formula atoms :    5 (  11 avg)
%            Number of connectives : 9121 (2740   ~;1328   |;  15   &;5016   @)
%                                         (  12 <=>;  10  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   6 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   29 (  26 usr;   5 con; 0-5 aty)
%            Number of variables   : 1518 (   0   ^;1510   !;   8   ?;1518   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_cartesian_product2,type,
    cartesian_product2: $i > $i > $i ).

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

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

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

thf(tp_sK10_SY62,type,
    sK10_SY62: $i > $i > $i > $i > $i > $i ).

thf(tp_sK11_SY68,type,
    sK11_SY68: $i > $i > $i > $i > $i > $i ).

thf(tp_sK12_SY97,type,
    sK12_SY97: $i > $i > $i ).

thf(tp_sK13_SY103,type,
    sK13_SY103: $i > $i > $i > $i ).

thf(tp_sK14_SY108,type,
    sK14_SY108: $i > $i > $i > $i > $i ).

thf(tp_sK15_SY117,type,
    sK15_SY117: $i > $i > $i > $i > $i ).

thf(tp_sK16_SY114,type,
    sK16_SY114: $i > $i > $i > $i ).

thf(tp_sK17_SY119,type,
    sK17_SY119: $i > $i > $i > $i ).

thf(tp_sK18_SY114,type,
    sK18_SY114: $i > $i > $i > $i > $i > $i ).

thf(tp_sK19_SY120,type,
    sK19_SY120: $i > $i > $i > $i > $i > $i ).

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

thf(tp_sK2_SY14,type,
    sK2_SY14: $i ).

thf(tp_sK3_SY16,type,
    sK3_SY16: $i ).

thf(tp_sK4_SY34,type,
    sK4_SY34: $i > $i > $i ).

thf(tp_sK5_SY51,type,
    sK5_SY51: $i > $i > $i > $i ).

thf(tp_sK6_SY56,type,
    sK6_SY56: $i > $i > $i > $i > $i ).

thf(tp_sK7_SY65,type,
    sK7_SY65: $i > $i > $i > $i > $i ).

thf(tp_sK8_SY62,type,
    sK8_SY62: $i > $i > $i > $i ).

thf(tp_sK9_SY67,type,
    sK9_SY67: $i > $i > $i > $i ).

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

thf(tp_subset,type,
    subset: $i > $i > $o ).

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

thf(1,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(6,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

thf(7,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( cartesian_product2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ? [E: $i,F: $i] :
              ( ( in @ E @ A )
              & ( in @ F @ B )
              & ( D
                = ( ordered_pair @ E @ F ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_zfmisc_1) ).

thf(10,conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ( subset @ A @ B )
     => ( ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) )
        & ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t118_zfmisc_1) ).

thf(11,negated_conjecture,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) )
            & ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[10]) ).

thf(12,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( ( subset @ ( cartesian_product2 @ A @ C ) @ ( cartesian_product2 @ B @ C ) )
            & ( subset @ ( cartesian_product2 @ C @ A ) @ ( cartesian_product2 @ C @ B ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(13,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(14,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(15,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( cartesian_product2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i,F: $i] :
                  ( ( in @ E @ A )
                  & ( in @ F @ B )
                  & ( D
                    = ( ordered_pair @ E @ F ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(16,plain,
    ( ( ! [SY14: $i,SY15: $i] :
          ( ( subset @ sK1_A @ SY14 )
         => ( ( subset @ ( cartesian_product2 @ sK1_A @ SY15 ) @ ( cartesian_product2 @ SY14 @ SY15 ) )
            & ( subset @ ( cartesian_product2 @ SY15 @ sK1_A ) @ ( cartesian_product2 @ SY15 @ SY14 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[12]) ).

thf(17,plain,
    ( ( ! [SY16: $i] :
          ( ( subset @ sK1_A @ sK2_SY14 )
         => ( ( subset @ ( cartesian_product2 @ sK1_A @ SY16 ) @ ( cartesian_product2 @ sK2_SY14 @ SY16 ) )
            & ( subset @ ( cartesian_product2 @ SY16 @ sK1_A ) @ ( cartesian_product2 @ SY16 @ sK2_SY14 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[16]) ).

thf(18,plain,
    ( ( ( subset @ sK1_A @ sK2_SY14 )
     => ( ( subset @ ( cartesian_product2 @ sK1_A @ sK3_SY16 ) @ ( cartesian_product2 @ sK2_SY14 @ sK3_SY16 ) )
        & ( subset @ ( cartesian_product2 @ sK3_SY16 @ sK1_A ) @ ( cartesian_product2 @ sK3_SY16 @ sK2_SY14 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[17]) ).

thf(19,plain,
    ( ( subset @ sK1_A @ sK2_SY14 )
    = $true ),
    inference(standard_cnf,[status(thm)],[18]) ).

thf(20,plain,
    ( ( ( subset @ ( cartesian_product2 @ sK1_A @ sK3_SY16 ) @ ( cartesian_product2 @ sK2_SY14 @ sK3_SY16 ) )
      & ( subset @ ( cartesian_product2 @ sK3_SY16 @ sK1_A ) @ ( cartesian_product2 @ sK3_SY16 @ sK2_SY14 ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[18]) ).

thf(21,plain,
    ( ( subset @ ( cartesian_product2 @ sK1_A @ sK3_SY16 ) @ ( cartesian_product2 @ sK2_SY14 @ sK3_SY16 ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[20]) ).

thf(22,plain,
    ( ( subset @ ( cartesian_product2 @ sK3_SY16 @ sK1_A ) @ ( cartesian_product2 @ sK3_SY16 @ sK2_SY14 ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[20]) ).

thf(23,plain,
    ( ( ~ ( subset @ ( cartesian_product2 @ sK1_A @ sK3_SY16 ) @ ( cartesian_product2 @ sK2_SY14 @ sK3_SY16 ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[21]) ).

thf(24,plain,
    ( ( ~ ( subset @ ( cartesian_product2 @ sK3_SY16 @ sK1_A ) @ ( cartesian_product2 @ sK3_SY16 @ sK2_SY14 ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[22]) ).

thf(25,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( cartesian_product2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i,F: $i] :
                  ( ( in @ E @ A )
                  & ( in @ F @ B )
                  & ( D
                    = ( ordered_pair @ E @ F ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(26,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[14]) ).

thf(27,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[13]) ).

thf(28,plain,
    ( ( subset @ sK1_A @ sK2_SY14 )
    = $true ),
    inference(copy,[status(thm)],[19]) ).

thf(29,plain,
    ( ( ~ ( subset @ ( cartesian_product2 @ sK1_A @ sK3_SY16 ) @ ( cartesian_product2 @ sK2_SY14 @ sK3_SY16 ) ) )
    = $true ),
    inference(copy,[status(thm)],[23]) ).

thf(30,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ( in @ SX2 @ SX1 ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[26]) ).

thf(31,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( cartesian_product2 @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ~ ! [SX4: $i] :
                                ~ ~ ! [SX5: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                | ~ ( in @ SX5 @ SX1 ) )
                                          | ( SX3
                                           != ( ordered_pair @ SX4 @ SX5 ) ) ) )
                      | ~ ( ~ ~ ! [SX4: $i] :
                                  ~ ~ ! [SX5: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                  | ~ ( in @ SX5 @ SX1 ) )
                                            | ( SX3
                                             != ( ordered_pair @ SX4 @ SX5 ) ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ~ ! [SX4: $i] :
                                  ~ ~ ! [SX5: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                  | ~ ( in @ SX5 @ SX1 ) )
                                            | ( SX3
                                             != ( ordered_pair @ SX4 @ SX5 ) ) ) )
                        | ~ ( ~ ~ ! [SX4: $i] :
                                    ~ ~ ! [SX5: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                    | ~ ( in @ SX5 @ SX1 ) )
                                              | ( SX3
                                               != ( ordered_pair @ SX4 @ SX5 ) ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( cartesian_product2 @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[25]) ).

thf(32,plain,
    ! [SV1: $i] :
      ( ( ! [SY17: $i] : ( subset @ SV1 @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[27]) ).

thf(33,plain,
    ( ( subset @ ( cartesian_product2 @ sK1_A @ sK3_SY16 ) @ ( cartesian_product2 @ sK2_SY14 @ sK3_SY16 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[29]) ).

thf(34,plain,
    ! [SV2: $i] :
      ( ( ! [SY18: $i] :
            ~ ( ~ ( ~ ( subset @ SV2 @ SY18 )
                  | ! [SY19: $i] :
                      ( ~ ( in @ SY19 @ SV2 )
                      | ( in @ SY19 @ SY18 ) ) )
              | ~ ( ~ ! [SY20: $i] :
                        ( ~ ( in @ SY20 @ SV2 )
                        | ( in @ SY20 @ SY18 ) )
                  | ( subset @ SV2 @ SY18 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[30]) ).

thf(35,plain,
    ! [SV3: $i] :
      ( ( ! [SY21: $i,SY22: $i] :
            ~ ( ~ ( ( SY22
                   != ( cartesian_product2 @ SV3 @ SY21 ) )
                  | ! [SY23: $i] :
                      ~ ( ~ ( ~ ( in @ SY23 @ SY22 )
                            | ~ ! [SY24: $i] :
                                  ~ ~ ! [SY25: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY24 @ SV3 )
                                                  | ~ ( in @ SY25 @ SY21 ) )
                                            | ( SY23
                                             != ( ordered_pair @ SY24 @ SY25 ) ) ) )
                        | ~ ( ~ ~ ! [SY26: $i] :
                                    ~ ~ ! [SY27: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY26 @ SV3 )
                                                    | ~ ( in @ SY27 @ SY21 ) )
                                              | ( SY23
                                               != ( ordered_pair @ SY26 @ SY27 ) ) )
                            | ( in @ SY23 @ SY22 ) ) ) )
              | ~ ( ~ ! [SY28: $i] :
                        ~ ( ~ ( ~ ( in @ SY28 @ SY22 )
                              | ~ ! [SY29: $i] :
                                    ~ ~ ! [SY30: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY29 @ SV3 )
                                                    | ~ ( in @ SY30 @ SY21 ) )
                                              | ( SY28
                                               != ( ordered_pair @ SY29 @ SY30 ) ) ) )
                          | ~ ( ~ ~ ! [SY31: $i] :
                                      ~ ~ ! [SY32: $i] :
                                            ~ ~ ( ~ ~ ( ~ ( in @ SY31 @ SV3 )
                                                      | ~ ( in @ SY32 @ SY21 ) )
                                                | ( SY28
                                                 != ( ordered_pair @ SY31 @ SY32 ) ) )
                              | ( in @ SY28 @ SY22 ) ) )
                  | ( SY22
                    = ( cartesian_product2 @ SV3 @ SY21 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[31]) ).

thf(36,plain,
    ! [SV1: $i] :
      ( ( subset @ SV1 @ SV1 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[32]) ).

thf(37,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ SV2 @ SV5 )
                | ! [SY33: $i] :
                    ( ~ ( in @ SY33 @ SV2 )
                    | ( in @ SY33 @ SV5 ) ) )
            | ~ ( ~ ! [SY34: $i] :
                      ( ~ ( in @ SY34 @ SV2 )
                      | ( in @ SY34 @ SV5 ) )
                | ( subset @ SV2 @ SV5 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[34]) ).

thf(38,plain,
    ! [SV6: $i,SV3: $i] :
      ( ( ! [SY35: $i] :
            ~ ( ~ ( ( SY35
                   != ( cartesian_product2 @ SV3 @ SV6 ) )
                  | ! [SY36: $i] :
                      ~ ( ~ ( ~ ( in @ SY36 @ SY35 )
                            | ~ ! [SY37: $i] :
                                  ~ ~ ! [SY38: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY37 @ SV3 )
                                                  | ~ ( in @ SY38 @ SV6 ) )
                                            | ( SY36
                                             != ( ordered_pair @ SY37 @ SY38 ) ) ) )
                        | ~ ( ~ ~ ! [SY39: $i] :
                                    ~ ~ ! [SY40: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY39 @ SV3 )
                                                    | ~ ( in @ SY40 @ SV6 ) )
                                              | ( SY36
                                               != ( ordered_pair @ SY39 @ SY40 ) ) )
                            | ( in @ SY36 @ SY35 ) ) ) )
              | ~ ( ~ ! [SY41: $i] :
                        ~ ( ~ ( ~ ( in @ SY41 @ SY35 )
                              | ~ ! [SY42: $i] :
                                    ~ ~ ! [SY43: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY42 @ SV3 )
                                                    | ~ ( in @ SY43 @ SV6 ) )
                                              | ( SY41
                                               != ( ordered_pair @ SY42 @ SY43 ) ) ) )
                          | ~ ( ~ ~ ! [SY44: $i] :
                                      ~ ~ ! [SY45: $i] :
                                            ~ ~ ( ~ ~ ( ~ ( in @ SY44 @ SV3 )
                                                      | ~ ( in @ SY45 @ SV6 ) )
                                                | ( SY41
                                                 != ( ordered_pair @ SY44 @ SY45 ) ) )
                              | ( in @ SY41 @ SY35 ) ) )
                  | ( SY35
                    = ( cartesian_product2 @ SV3 @ SV6 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[35]) ).

thf(39,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ~ ( ~ ( subset @ SV2 @ SV5 )
            | ! [SY33: $i] :
                ( ~ ( in @ SY33 @ SV2 )
                | ( in @ SY33 @ SV5 ) ) )
        | ~ ( ~ ! [SY34: $i] :
                  ( ~ ( in @ SY34 @ SV2 )
                  | ( in @ SY34 @ SV5 ) )
            | ( subset @ SV2 @ SV5 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[37]) ).

thf(40,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ~ ( ~ ( ( SV7
                 != ( cartesian_product2 @ SV3 @ SV6 ) )
                | ! [SY46: $i] :
                    ~ ( ~ ( ~ ( in @ SY46 @ SV7 )
                          | ~ ! [SY37: $i] :
                                ~ ~ ! [SY38: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SY37 @ SV3 )
                                                | ~ ( in @ SY38 @ SV6 ) )
                                          | ( SY46
                                           != ( ordered_pair @ SY37 @ SY38 ) ) ) )
                      | ~ ( ~ ~ ! [SY39: $i] :
                                  ~ ~ ! [SY40: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY39 @ SV3 )
                                                  | ~ ( in @ SY40 @ SV6 ) )
                                            | ( SY46
                                             != ( ordered_pair @ SY39 @ SY40 ) ) )
                          | ( in @ SY46 @ SV7 ) ) ) )
            | ~ ( ~ ! [SY51: $i] :
                      ~ ( ~ ( ~ ( in @ SY51 @ SV7 )
                            | ~ ! [SY42: $i] :
                                  ~ ~ ! [SY43: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY42 @ SV3 )
                                                  | ~ ( in @ SY43 @ SV6 ) )
                                            | ( SY51
                                             != ( ordered_pair @ SY42 @ SY43 ) ) ) )
                        | ~ ( ~ ~ ! [SY44: $i] :
                                    ~ ~ ! [SY45: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY44 @ SV3 )
                                                    | ~ ( in @ SY45 @ SV6 ) )
                                              | ( SY51
                                               != ( ordered_pair @ SY44 @ SY45 ) ) )
                            | ( in @ SY51 @ SV7 ) ) )
                | ( SV7
                  = ( cartesian_product2 @ SV3 @ SV6 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[38]) ).

thf(41,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ~ ( ~ ( subset @ SV2 @ SV5 )
            | ! [SY33: $i] :
                ( ~ ( in @ SY33 @ SV2 )
                | ( in @ SY33 @ SV5 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[39]) ).

thf(42,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ~ ( ~ ! [SY34: $i] :
                  ( ~ ( in @ SY34 @ SV2 )
                  | ( in @ SY34 @ SV5 ) )
            | ( subset @ SV2 @ SV5 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[39]) ).

thf(43,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ~ ( ( SV7
             != ( cartesian_product2 @ SV3 @ SV6 ) )
            | ! [SY46: $i] :
                ~ ( ~ ( ~ ( in @ SY46 @ SV7 )
                      | ~ ! [SY37: $i] :
                            ~ ~ ! [SY38: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY37 @ SV3 )
                                            | ~ ( in @ SY38 @ SV6 ) )
                                      | ( SY46
                                       != ( ordered_pair @ SY37 @ SY38 ) ) ) )
                  | ~ ( ~ ~ ! [SY39: $i] :
                              ~ ~ ! [SY40: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY39 @ SV3 )
                                              | ~ ( in @ SY40 @ SV6 ) )
                                        | ( SY46
                                         != ( ordered_pair @ SY39 @ SY40 ) ) )
                      | ( in @ SY46 @ SV7 ) ) ) )
        | ~ ( ~ ! [SY51: $i] :
                  ~ ( ~ ( ~ ( in @ SY51 @ SV7 )
                        | ~ ! [SY42: $i] :
                              ~ ~ ! [SY43: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY42 @ SV3 )
                                              | ~ ( in @ SY43 @ SV6 ) )
                                        | ( SY51
                                         != ( ordered_pair @ SY42 @ SY43 ) ) ) )
                    | ~ ( ~ ~ ! [SY44: $i] :
                                ~ ~ ! [SY45: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SY44 @ SV3 )
                                                | ~ ( in @ SY45 @ SV6 ) )
                                          | ( SY51
                                           != ( ordered_pair @ SY44 @ SY45 ) ) )
                        | ( in @ SY51 @ SV7 ) ) )
            | ( SV7
              = ( cartesian_product2 @ SV3 @ SV6 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[40]) ).

thf(44,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ~ ( subset @ SV2 @ SV5 )
        | ! [SY33: $i] :
            ( ~ ( in @ SY33 @ SV2 )
            | ( in @ SY33 @ SV5 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[41]) ).

thf(45,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ~ ! [SY34: $i] :
              ( ~ ( in @ SY34 @ SV2 )
              | ( in @ SY34 @ SV5 ) )
        | ( subset @ SV2 @ SV5 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[42]) ).

thf(46,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ~ ( ( SV7
             != ( cartesian_product2 @ SV3 @ SV6 ) )
            | ! [SY46: $i] :
                ~ ( ~ ( ~ ( in @ SY46 @ SV7 )
                      | ~ ! [SY37: $i] :
                            ~ ~ ! [SY38: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY37 @ SV3 )
                                            | ~ ( in @ SY38 @ SV6 ) )
                                      | ( SY46
                                       != ( ordered_pair @ SY37 @ SY38 ) ) ) )
                  | ~ ( ~ ~ ! [SY39: $i] :
                              ~ ~ ! [SY40: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY39 @ SV3 )
                                              | ~ ( in @ SY40 @ SV6 ) )
                                        | ( SY46
                                         != ( ordered_pair @ SY39 @ SY40 ) ) )
                      | ( in @ SY46 @ SV7 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[43]) ).

thf(47,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ~ ( ~ ! [SY51: $i] :
                  ~ ( ~ ( ~ ( in @ SY51 @ SV7 )
                        | ~ ! [SY42: $i] :
                              ~ ~ ! [SY43: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY42 @ SV3 )
                                              | ~ ( in @ SY43 @ SV6 ) )
                                        | ( SY51
                                         != ( ordered_pair @ SY42 @ SY43 ) ) ) )
                    | ~ ( ~ ~ ! [SY44: $i] :
                                ~ ~ ! [SY45: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SY44 @ SV3 )
                                                | ~ ( in @ SY45 @ SV6 ) )
                                          | ( SY51
                                           != ( ordered_pair @ SY44 @ SY45 ) ) )
                        | ( in @ SY51 @ SV7 ) ) )
            | ( SV7
              = ( cartesian_product2 @ SV3 @ SV6 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[43]) ).

thf(48,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ( ~ ( subset @ SV2 @ SV5 ) )
        = $true )
      | ( ( ! [SY33: $i] :
              ( ~ ( in @ SY33 @ SV2 )
              | ( in @ SY33 @ SV5 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[44]) ).

thf(49,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ( ~ ! [SY34: $i] :
                ( ~ ( in @ SY34 @ SV2 )
                | ( in @ SY34 @ SV5 ) ) )
        = $true )
      | ( ( subset @ SV2 @ SV5 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[45]) ).

thf(50,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ( SV7
         != ( cartesian_product2 @ SV3 @ SV6 ) )
        | ! [SY46: $i] :
            ~ ( ~ ( ~ ( in @ SY46 @ SV7 )
                  | ~ ! [SY37: $i] :
                        ~ ~ ! [SY38: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY37 @ SV3 )
                                        | ~ ( in @ SY38 @ SV6 ) )
                                  | ( SY46
                                   != ( ordered_pair @ SY37 @ SY38 ) ) ) )
              | ~ ( ~ ~ ! [SY39: $i] :
                          ~ ~ ! [SY40: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY39 @ SV3 )
                                          | ~ ( in @ SY40 @ SV6 ) )
                                    | ( SY46
                                     != ( ordered_pair @ SY39 @ SY40 ) ) )
                  | ( in @ SY46 @ SV7 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[46]) ).

thf(51,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ~ ! [SY51: $i] :
              ~ ( ~ ( ~ ( in @ SY51 @ SV7 )
                    | ~ ! [SY42: $i] :
                          ~ ~ ! [SY43: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY42 @ SV3 )
                                          | ~ ( in @ SY43 @ SV6 ) )
                                    | ( SY51
                                     != ( ordered_pair @ SY42 @ SY43 ) ) ) )
                | ~ ( ~ ~ ! [SY44: $i] :
                            ~ ~ ! [SY45: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY44 @ SV3 )
                                            | ~ ( in @ SY45 @ SV6 ) )
                                      | ( SY51
                                       != ( ordered_pair @ SY44 @ SY45 ) ) )
                    | ( in @ SY51 @ SV7 ) ) )
        | ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[47]) ).

thf(52,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ( subset @ SV2 @ SV5 )
        = $false )
      | ( ( ! [SY33: $i] :
              ( ~ ( in @ SY33 @ SV2 )
              | ( in @ SY33 @ SV5 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[48]) ).

thf(53,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ( ! [SY34: $i] :
              ( ~ ( in @ SY34 @ SV2 )
              | ( in @ SY34 @ SV5 ) ) )
        = $false )
      | ( ( subset @ SV2 @ SV5 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[49]) ).

thf(54,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ( SV7
         != ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true )
      | ( ( ! [SY46: $i] :
              ~ ( ~ ( ~ ( in @ SY46 @ SV7 )
                    | ~ ! [SY37: $i] :
                          ~ ~ ! [SY38: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY37 @ SV3 )
                                          | ~ ( in @ SY38 @ SV6 ) )
                                    | ( SY46
                                     != ( ordered_pair @ SY37 @ SY38 ) ) ) )
                | ~ ( ~ ~ ! [SY39: $i] :
                            ~ ~ ! [SY40: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY39 @ SV3 )
                                            | ~ ( in @ SY40 @ SV6 ) )
                                      | ( SY46
                                       != ( ordered_pair @ SY39 @ SY40 ) ) )
                    | ( in @ SY46 @ SV7 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[50]) ).

thf(55,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ( ~ ! [SY51: $i] :
                ~ ( ~ ( ~ ( in @ SY51 @ SV7 )
                      | ~ ! [SY42: $i] :
                            ~ ~ ! [SY43: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY42 @ SV3 )
                                            | ~ ( in @ SY43 @ SV6 ) )
                                      | ( SY51
                                       != ( ordered_pair @ SY42 @ SY43 ) ) ) )
                  | ~ ( ~ ~ ! [SY44: $i] :
                              ~ ~ ! [SY45: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY44 @ SV3 )
                                              | ~ ( in @ SY45 @ SV6 ) )
                                        | ( SY51
                                         != ( ordered_pair @ SY44 @ SY45 ) ) )
                      | ( in @ SY51 @ SV7 ) ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[51]) ).

thf(56,plain,
    ! [SV5: $i,SV2: $i,SV8: $i] :
      ( ( ( ~ ( in @ SV8 @ SV2 )
          | ( in @ SV8 @ SV5 ) )
        = $true )
      | ( ( subset @ SV2 @ SV5 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[52]) ).

thf(57,plain,
    ! [SV2: $i,SV5: $i] :
      ( ( ( ~ ( in @ ( sK4_SY34 @ SV5 @ SV2 ) @ SV2 )
          | ( in @ ( sK4_SY34 @ SV5 @ SV2 ) @ SV5 ) )
        = $false )
      | ( ( subset @ SV2 @ SV5 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[53]) ).

thf(58,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false )
      | ( ( ! [SY46: $i] :
              ~ ( ~ ( ~ ( in @ SY46 @ SV7 )
                    | ~ ! [SY37: $i] :
                          ~ ~ ! [SY38: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY37 @ SV3 )
                                          | ~ ( in @ SY38 @ SV6 ) )
                                    | ( SY46
                                     != ( ordered_pair @ SY37 @ SY38 ) ) ) )
                | ~ ( ~ ~ ! [SY39: $i] :
                            ~ ~ ! [SY40: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY39 @ SV3 )
                                            | ~ ( in @ SY40 @ SV6 ) )
                                      | ( SY46
                                       != ( ordered_pair @ SY39 @ SY40 ) ) )
                    | ( in @ SY46 @ SV7 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[54]) ).

thf(59,plain,
    ! [SV6: $i,SV3: $i,SV7: $i] :
      ( ( ( ! [SY51: $i] :
              ~ ( ~ ( ~ ( in @ SY51 @ SV7 )
                    | ~ ! [SY42: $i] :
                          ~ ~ ! [SY43: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY42 @ SV3 )
                                          | ~ ( in @ SY43 @ SV6 ) )
                                    | ( SY51
                                     != ( ordered_pair @ SY42 @ SY43 ) ) ) )
                | ~ ( ~ ~ ! [SY44: $i] :
                            ~ ~ ! [SY45: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY44 @ SV3 )
                                            | ~ ( in @ SY45 @ SV6 ) )
                                      | ( SY51
                                       != ( ordered_pair @ SY44 @ SY45 ) ) )
                    | ( in @ SY51 @ SV7 ) ) ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[55]) ).

thf(60,plain,
    ! [SV5: $i,SV2: $i,SV8: $i] :
      ( ( ( ~ ( in @ SV8 @ SV2 ) )
        = $true )
      | ( ( in @ SV8 @ SV5 )
        = $true )
      | ( ( subset @ SV2 @ SV5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[56]) ).

thf(61,plain,
    ! [SV2: $i,SV5: $i] :
      ( ( ( ~ ( in @ ( sK4_SY34 @ SV5 @ SV2 ) @ SV2 ) )
        = $false )
      | ( ( subset @ SV2 @ SV5 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[57]) ).

thf(62,plain,
    ! [SV2: $i,SV5: $i] :
      ( ( ( in @ ( sK4_SY34 @ SV5 @ SV2 ) @ SV5 )
        = $false )
      | ( ( subset @ SV2 @ SV5 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[57]) ).

thf(63,plain,
    ! [SV6: $i,SV3: $i,SV7: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV9 @ SV7 )
                  | ~ ! [SY56: $i] :
                        ~ ~ ! [SY57: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY56 @ SV3 )
                                        | ~ ( in @ SY57 @ SV6 ) )
                                  | ( SV9
                                   != ( ordered_pair @ SY56 @ SY57 ) ) ) )
              | ~ ( ~ ~ ! [SY58: $i] :
                          ~ ~ ! [SY59: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY58 @ SV3 )
                                          | ~ ( in @ SY59 @ SV6 ) )
                                    | ( SV9
                                     != ( ordered_pair @ SY58 @ SY59 ) ) )
                  | ( in @ SV9 @ SV7 ) ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[58]) ).

thf(64,plain,
    ! [SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
                  | ~ ! [SY60: $i] :
                        ~ ~ ! [SY61: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY60 @ SV3 )
                                        | ~ ( in @ SY61 @ SV6 ) )
                                  | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                   != ( ordered_pair @ SY60 @ SY61 ) ) ) )
              | ~ ( ~ ~ ! [SY62: $i] :
                          ~ ~ ! [SY63: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                          | ~ ( in @ SY63 @ SV6 ) )
                                    | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                     != ( ordered_pair @ SY62 @ SY63 ) ) )
                  | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[59]) ).

thf(65,plain,
    ! [SV5: $i,SV2: $i,SV8: $i] :
      ( ( ( in @ SV8 @ SV2 )
        = $false )
      | ( ( in @ SV8 @ SV5 )
        = $true )
      | ( ( subset @ SV2 @ SV5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[60]) ).

thf(66,plain,
    ! [SV2: $i,SV5: $i] :
      ( ( ( in @ ( sK4_SY34 @ SV5 @ SV2 ) @ SV2 )
        = $true )
      | ( ( subset @ SV2 @ SV5 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[61]) ).

thf(67,plain,
    ! [SV6: $i,SV3: $i,SV7: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( in @ SV9 @ SV7 )
              | ~ ! [SY56: $i] :
                    ~ ~ ! [SY57: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY56 @ SV3 )
                                    | ~ ( in @ SY57 @ SV6 ) )
                              | ( SV9
                               != ( ordered_pair @ SY56 @ SY57 ) ) ) )
          | ~ ( ~ ~ ! [SY58: $i] :
                      ~ ~ ! [SY59: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY58 @ SV3 )
                                      | ~ ( in @ SY59 @ SV6 ) )
                                | ( SV9
                                 != ( ordered_pair @ SY58 @ SY59 ) ) )
              | ( in @ SV9 @ SV7 ) ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[63]) ).

thf(68,plain,
    ! [SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
              | ~ ! [SY60: $i] :
                    ~ ~ ! [SY61: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY60 @ SV3 )
                                    | ~ ( in @ SY61 @ SV6 ) )
                              | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                               != ( ordered_pair @ SY60 @ SY61 ) ) ) )
          | ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[64]) ).

thf(69,plain,
    ! [SV6: $i,SV3: $i,SV7: $i,SV9: $i] :
      ( ( ( ~ ( ~ ( in @ SV9 @ SV7 )
              | ~ ! [SY56: $i] :
                    ~ ~ ! [SY57: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY56 @ SV3 )
                                    | ~ ( in @ SY57 @ SV6 ) )
                              | ( SV9
                               != ( ordered_pair @ SY56 @ SY57 ) ) ) ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[67]) ).

thf(70,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ( ~ ~ ! [SY58: $i] :
                      ~ ~ ! [SY59: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY58 @ SV3 )
                                      | ~ ( in @ SY59 @ SV6 ) )
                                | ( SV9
                                 != ( ordered_pair @ SY58 @ SY59 ) ) )
              | ( in @ SV9 @ SV7 ) ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[67]) ).

thf(71,plain,
    ! [SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
              | ~ ! [SY60: $i] :
                    ~ ~ ! [SY61: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY60 @ SV3 )
                                    | ~ ( in @ SY61 @ SV6 ) )
                              | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                               != ( ordered_pair @ SY60 @ SY61 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[68]) ).

thf(72,plain,
    ! [SV6: $i,SV3: $i,SV7: $i,SV9: $i] :
      ( ( ( ~ ( in @ SV9 @ SV7 )
          | ~ ! [SY56: $i] :
                ~ ~ ! [SY57: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY56 @ SV3 )
                                | ~ ( in @ SY57 @ SV6 ) )
                          | ( SV9
                           != ( ordered_pair @ SY56 @ SY57 ) ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[69]) ).

thf(73,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ~ ! [SY58: $i] :
                  ~ ~ ! [SY59: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY58 @ SV3 )
                                  | ~ ( in @ SY59 @ SV6 ) )
                            | ( SV9
                             != ( ordered_pair @ SY58 @ SY59 ) ) )
          | ( in @ SV9 @ SV7 ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[70]) ).

thf(74,plain,
    ! [SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ~ ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
          | ~ ! [SY60: $i] :
                ~ ~ ! [SY61: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY60 @ SV3 )
                                | ~ ( in @ SY61 @ SV6 ) )
                          | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                           != ( ordered_pair @ SY60 @ SY61 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[71]) ).

thf(75,plain,
    ! [SV6: $i,SV3: $i,SV7: $i,SV9: $i] :
      ( ( ( ~ ( in @ SV9 @ SV7 ) )
        = $true )
      | ( ( ~ ! [SY56: $i] :
                ~ ~ ! [SY57: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY56 @ SV3 )
                                | ~ ( in @ SY57 @ SV6 ) )
                          | ( SV9
                           != ( ordered_pair @ SY56 @ SY57 ) ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[72]) ).

thf(76,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ~ ! [SY58: $i] :
                  ~ ~ ! [SY59: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY58 @ SV3 )
                                  | ~ ( in @ SY59 @ SV6 ) )
                            | ( SV9
                             != ( ordered_pair @ SY58 @ SY59 ) ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[73]) ).

thf(77,plain,
    ! [SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ~ ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[74]) ).

thf(78,plain,
    ! [SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ! [SY60: $i] :
                ~ ~ ! [SY61: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY60 @ SV3 )
                                | ~ ( in @ SY61 @ SV6 ) )
                          | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                           != ( ordered_pair @ SY60 @ SY61 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[74]) ).

thf(79,plain,
    ! [SV6: $i,SV3: $i,SV7: $i,SV9: $i] :
      ( ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( ~ ! [SY56: $i] :
                ~ ~ ! [SY57: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY56 @ SV3 )
                                | ~ ( in @ SY57 @ SV6 ) )
                          | ( SV9
                           != ( ordered_pair @ SY56 @ SY57 ) ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[75]) ).

thf(80,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ! [SY58: $i] :
                ~ ~ ! [SY59: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY58 @ SV3 )
                                | ~ ( in @ SY59 @ SV6 ) )
                          | ( SV9
                           != ( ordered_pair @ SY58 @ SY59 ) ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[76]) ).

thf(81,plain,
    ! [SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[77]) ).

thf(82,plain,
    ! [SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ! [SY60: $i] :
              ~ ~ ! [SY61: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY60 @ SV3 )
                              | ~ ( in @ SY61 @ SV6 ) )
                        | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                         != ( ordered_pair @ SY60 @ SY61 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[78]) ).

thf(83,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i] :
      ( ( ( ! [SY56: $i] :
              ~ ~ ! [SY57: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY56 @ SV3 )
                              | ~ ( in @ SY57 @ SV6 ) )
                        | ( SV9
                         != ( ordered_pair @ SY56 @ SY57 ) ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[79]) ).

thf(84,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i] :
      ( ( ( ! [SY58: $i] :
              ~ ~ ! [SY59: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY58 @ SV3 )
                              | ~ ( in @ SY59 @ SV6 ) )
                        | ( SV9
                         != ( ordered_pair @ SY58 @ SY59 ) ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[80]) ).

thf(85,plain,
    ! [SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ~ ! [SY62: $i] :
                  ~ ~ ! [SY63: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                  | ~ ( in @ SY63 @ SV6 ) )
                            | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                             != ( ordered_pair @ SY62 @ SY63 ) ) )
          | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[81]) ).

thf(86,plain,
    ! [SV7: $i,SV6: $i,SV3: $i,SV10: $i] :
      ( ( ( ~ ~ ! [SY64: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SV10 @ SV3 )
                            | ~ ( in @ SY64 @ SV6 ) )
                      | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                       != ( ordered_pair @ SV10 @ SY64 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[82]) ).

thf(87,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ~ ~ ! [SY65: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
                            | ~ ( in @ SY65 @ SV6 ) )
                      | ( SV9
                       != ( ordered_pair @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SY65 ) ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[83]) ).

thf(88,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i,SV11: $i] :
      ( ( ( ~ ~ ! [SY66: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SV11 @ SV3 )
                            | ~ ( in @ SY66 @ SV6 ) )
                      | ( SV9
                       != ( ordered_pair @ SV11 @ SY66 ) ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[84]) ).

thf(89,plain,
    ! [SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ~ ! [SY62: $i] :
                  ~ ~ ! [SY63: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                  | ~ ( in @ SY63 @ SV6 ) )
                            | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                             != ( ordered_pair @ SY62 @ SY63 ) ) ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[85]) ).

thf(90,plain,
    ! [SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[85]) ).

thf(91,plain,
    ! [SV7: $i,SV6: $i,SV3: $i,SV10: $i] :
      ( ( ( ~ ! [SY64: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SV10 @ SV3 )
                          | ~ ( in @ SY64 @ SV6 ) )
                    | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                     != ( ordered_pair @ SV10 @ SY64 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[86]) ).

thf(92,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ~ ! [SY65: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
                          | ~ ( in @ SY65 @ SV6 ) )
                    | ( SV9
                     != ( ordered_pair @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SY65 ) ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[87]) ).

thf(93,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i,SV11: $i] :
      ( ( ( ~ ! [SY66: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SV11 @ SV3 )
                          | ~ ( in @ SY66 @ SV6 ) )
                    | ( SV9
                     != ( ordered_pair @ SV11 @ SY66 ) ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[88]) ).

thf(94,plain,
    ! [SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ! [SY62: $i] :
                ~ ~ ! [SY63: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                | ~ ( in @ SY63 @ SV6 ) )
                          | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                           != ( ordered_pair @ SY62 @ SY63 ) ) ) )
        = $true )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[89]) ).

thf(95,plain,
    ! [SV7: $i,SV6: $i,SV3: $i,SV10: $i] :
      ( ( ( ! [SY64: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SV10 @ SV3 )
                        | ~ ( in @ SY64 @ SV6 ) )
                  | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                   != ( ordered_pair @ SV10 @ SY64 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[91]) ).

thf(96,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ! [SY65: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
                        | ~ ( in @ SY65 @ SV6 ) )
                  | ( SV9
                   != ( ordered_pair @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SY65 ) ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[92]) ).

thf(97,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i,SV11: $i] :
      ( ( ( ! [SY66: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SV11 @ SV3 )
                        | ~ ( in @ SY66 @ SV6 ) )
                  | ( SV9
                   != ( ordered_pair @ SV11 @ SY66 ) ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[93]) ).

thf(98,plain,
    ! [SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ! [SY62: $i] :
              ~ ~ ! [SY63: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                              | ~ ( in @ SY63 @ SV6 ) )
                        | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                         != ( ordered_pair @ SY62 @ SY63 ) ) ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[94]) ).

thf(99,plain,
    ! [SV7: $i,SV6: $i,SV12: $i,SV3: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV10 @ SV3 )
                      | ~ ( in @ SV12 @ SV6 ) )
                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                 != ( ordered_pair @ SV10 @ SV12 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[95]) ).

thf(100,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
                      | ~ ( in @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) @ SV6 ) )
                | ( SV9
                 != ( ordered_pair @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) ) ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[96]) ).

thf(101,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV13: $i,SV3: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV11 @ SV3 )
                      | ~ ( in @ SV13 @ SV6 ) )
                | ( SV9
                 != ( ordered_pair @ SV11 @ SV13 ) ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[97]) ).

thf(102,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ~ ~ ! [SY67: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                            | ~ ( in @ SY67 @ SV6 ) )
                      | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                       != ( ordered_pair @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SY67 ) ) ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[98]) ).

thf(103,plain,
    ! [SV7: $i,SV6: $i,SV12: $i,SV3: $i,SV10: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV10 @ SV3 )
                    | ~ ( in @ SV12 @ SV6 ) )
              | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
               != ( ordered_pair @ SV10 @ SV12 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[99]) ).

thf(104,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
                    | ~ ( in @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) @ SV6 ) )
              | ( SV9
               != ( ordered_pair @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) ) ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[100]) ).

thf(105,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV13: $i,SV3: $i,SV11: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV11 @ SV3 )
                    | ~ ( in @ SV13 @ SV6 ) )
              | ( SV9
               != ( ordered_pair @ SV11 @ SV13 ) ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[101]) ).

thf(106,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ~ ! [SY67: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                          | ~ ( in @ SY67 @ SV6 ) )
                    | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                     != ( ordered_pair @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SY67 ) ) ) )
        = $true )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[102]) ).

thf(107,plain,
    ! [SV7: $i,SV6: $i,SV12: $i,SV3: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV10 @ SV3 )
                | ~ ( in @ SV12 @ SV6 ) )
          | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
           != ( ordered_pair @ SV10 @ SV12 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[103]) ).

thf(108,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
                | ~ ( in @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) @ SV6 ) )
          | ( SV9
           != ( ordered_pair @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[104]) ).

thf(109,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV13: $i,SV3: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV11 @ SV3 )
                | ~ ( in @ SV13 @ SV6 ) )
          | ( SV9
           != ( ordered_pair @ SV11 @ SV13 ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[105]) ).

thf(110,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ! [SY67: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                        | ~ ( in @ SY67 @ SV6 ) )
                  | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                   != ( ordered_pair @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SY67 ) ) ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[106]) ).

thf(111,plain,
    ! [SV7: $i,SV6: $i,SV12: $i,SV3: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV10 @ SV3 )
                | ~ ( in @ SV12 @ SV6 ) ) )
        = $true )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
         != ( ordered_pair @ SV10 @ SV12 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[107]) ).

thf(112,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
                | ~ ( in @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) @ SV6 ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[108]) ).

thf(113,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV9: $i] :
      ( ( ( SV9
         != ( ordered_pair @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[108]) ).

thf(114,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV13: $i,SV3: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV11 @ SV3 )
                | ~ ( in @ SV13 @ SV6 ) ) )
        = $true )
      | ( ( SV9
         != ( ordered_pair @ SV11 @ SV13 ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[109]) ).

thf(115,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                      | ~ ( in @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) @ SV6 ) )
                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                 != ( ordered_pair @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[110]) ).

thf(116,plain,
    ! [SV7: $i,SV6: $i,SV12: $i,SV3: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( in @ SV10 @ SV3 )
              | ~ ( in @ SV12 @ SV6 ) ) )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
         != ( ordered_pair @ SV10 @ SV12 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[111]) ).

thf(117,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
              | ~ ( in @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) @ SV6 ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[112]) ).

thf(118,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV9: $i] :
      ( ( ( SV9
          = ( ordered_pair @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[113]) ).

thf(119,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV13: $i,SV3: $i,SV11: $i] :
      ( ( ( ~ ( ~ ( in @ SV11 @ SV3 )
              | ~ ( in @ SV13 @ SV6 ) ) )
        = $false )
      | ( ( SV9
         != ( ordered_pair @ SV11 @ SV13 ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[114]) ).

thf(120,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                    | ~ ( in @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) @ SV6 ) )
              | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
               != ( ordered_pair @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[115]) ).

thf(121,plain,
    ! [SV7: $i,SV6: $i,SV12: $i,SV3: $i,SV10: $i] :
      ( ( ( ~ ( in @ SV10 @ SV3 )
          | ~ ( in @ SV12 @ SV6 ) )
        = $true )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
         != ( ordered_pair @ SV10 @ SV12 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[116]) ).

thf(122,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
          | ~ ( in @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) @ SV6 ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[117]) ).

thf(123,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV13: $i,SV3: $i,SV11: $i] :
      ( ( ( ~ ( in @ SV11 @ SV3 )
          | ~ ( in @ SV13 @ SV6 ) )
        = $true )
      | ( ( SV9
         != ( ordered_pair @ SV11 @ SV13 ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[119]) ).

thf(124,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                | ~ ( in @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) @ SV6 ) )
          | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
           != ( ordered_pair @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) ) ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[120]) ).

thf(125,plain,
    ! [SV7: $i,SV6: $i,SV12: $i,SV3: $i,SV10: $i] :
      ( ( ( ~ ( in @ SV10 @ SV3 ) )
        = $true )
      | ( ( ~ ( in @ SV12 @ SV6 ) )
        = $true )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
         != ( ordered_pair @ SV10 @ SV12 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[121]) ).

thf(126,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( ~ ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[122]) ).

thf(127,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ( in @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) @ SV6 ) )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[122]) ).

thf(128,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV13: $i,SV3: $i,SV11: $i] :
      ( ( ( ~ ( in @ SV11 @ SV3 ) )
        = $true )
      | ( ( ~ ( in @ SV13 @ SV6 ) )
        = $true )
      | ( ( SV9
         != ( ordered_pair @ SV11 @ SV13 ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[123]) ).

thf(129,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                | ~ ( in @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) @ SV6 ) ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[124]) ).

thf(130,plain,
    ! [SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
         != ( ordered_pair @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[124]) ).

thf(131,plain,
    ! [SV7: $i,SV6: $i,SV12: $i,SV3: $i,SV10: $i] :
      ( ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ~ ( in @ SV12 @ SV6 ) )
        = $true )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
         != ( ordered_pair @ SV10 @ SV12 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[125]) ).

thf(132,plain,
    ! [SV3: $i,SV6: $i,SV9: $i,SV7: $i] :
      ( ( ( in @ ( sK6_SY56 @ SV7 @ SV9 @ SV6 @ SV3 ) @ SV3 )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[126]) ).

thf(133,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV3: $i] :
      ( ( ( in @ ( sK7_SY65 @ SV3 @ SV6 @ SV9 @ SV7 ) @ SV6 )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[127]) ).

thf(134,plain,
    ! [SV7: $i,SV9: $i,SV6: $i,SV13: $i,SV3: $i,SV11: $i] :
      ( ( ( in @ SV11 @ SV3 )
        = $false )
      | ( ( ~ ( in @ SV13 @ SV6 ) )
        = $true )
      | ( ( SV9
         != ( ordered_pair @ SV11 @ SV13 ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[128]) ).

thf(135,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
              | ~ ( in @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) @ SV6 ) ) )
        = $true )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[129]) ).

thf(136,plain,
    ! [SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) ) )
        = $true )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[130]) ).

thf(137,plain,
    ! [SV7: $i,SV3: $i,SV10: $i,SV6: $i,SV12: $i] :
      ( ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
         != ( ordered_pair @ SV10 @ SV12 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[131]) ).

thf(138,plain,
    ! [SV7: $i,SV9: $i,SV3: $i,SV11: $i,SV6: $i,SV13: $i] :
      ( ( ( in @ SV13 @ SV6 )
        = $false )
      | ( ( in @ SV11 @ SV3 )
        = $false )
      | ( ( SV9
         != ( ordered_pair @ SV11 @ SV13 ) )
        = $true )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[134]) ).

thf(139,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
          | ~ ( in @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) @ SV6 ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[135]) ).

thf(140,plain,
    ! [SV12: $i,SV10: $i,SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY62: $i] :
                      ~ ~ ! [SY63: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                      | ~ ( in @ SY63 @ SV6 ) )
                                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                                 != ( ordered_pair @ SY62 @ SY63 ) ) )
              | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[137]) ).

thf(141,plain,
    ! [SV7: $i,SV6: $i,SV3: $i,SV13: $i,SV11: $i,SV9: $i] :
      ( ( ( SV9
          = ( ordered_pair @ SV11 @ SV13 ) )
        = $false )
      | ( ( in @ SV11 @ SV3 )
        = $false )
      | ( ( in @ SV13 @ SV6 )
        = $false )
      | ( ( in @ SV9 @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[138]) ).

thf(142,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( ~ ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[139]) ).

thf(143,plain,
    ! [SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ( in @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) @ SV6 ) )
        = $false )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[139]) ).

thf(144,plain,
    ! [SV10: $i,SV12: $i,SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ~ ! [SY62: $i] :
                  ~ ~ ! [SY63: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                  | ~ ( in @ SY63 @ SV6 ) )
                            | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                             != ( ordered_pair @ SY62 @ SY63 ) ) )
          | ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[140]) ).

thf(145,plain,
    ! [SV3: $i,SV6: $i,SV7: $i] :
      ( ( ( in @ ( sK8_SY62 @ SV7 @ SV6 @ SV3 ) @ SV3 )
        = $true )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[142]) ).

thf(146,plain,
    ! [SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( in @ ( sK9_SY67 @ SV3 @ SV6 @ SV7 ) @ SV6 )
        = $true )
      | ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $true )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[143]) ).

thf(147,plain,
    ! [SV10: $i,SV12: $i,SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ~ ! [SY62: $i] :
                  ~ ~ ! [SY63: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                  | ~ ( in @ SY63 @ SV6 ) )
                            | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                             != ( ordered_pair @ SY62 @ SY63 ) ) ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[144]) ).

thf(148,plain,
    ! [SV10: $i,SV12: $i,SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( in @ ( sK5_SY51 @ SV6 @ SV3 @ SV7 ) @ SV7 )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[144]) ).

thf(149,plain,
    ! [SV10: $i,SV12: $i,SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ! [SY62: $i] :
                ~ ~ ! [SY63: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                                | ~ ( in @ SY63 @ SV6 ) )
                          | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                           != ( ordered_pair @ SY62 @ SY63 ) ) ) )
        = $true )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[147]) ).

thf(150,plain,
    ! [SV10: $i,SV12: $i,SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ! [SY62: $i] :
              ~ ~ ! [SY63: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY62 @ SV3 )
                              | ~ ( in @ SY63 @ SV6 ) )
                        | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                         != ( ordered_pair @ SY62 @ SY63 ) ) ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[149]) ).

thf(151,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ~ ~ ! [SY68: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                            | ~ ( in @ SY68 @ SV6 ) )
                      | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                       != ( ordered_pair @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SY68 ) ) ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[150]) ).

thf(152,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ~ ! [SY68: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                          | ~ ( in @ SY68 @ SV6 ) )
                    | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                     != ( ordered_pair @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SY68 ) ) ) )
        = $true )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[151]) ).

thf(153,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ! [SY68: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                        | ~ ( in @ SY68 @ SV6 ) )
                  | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                   != ( ordered_pair @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SY68 ) ) ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[152]) ).

thf(154,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                      | ~ ( in @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) @ SV6 ) )
                | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
                 != ( ordered_pair @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) ) ) ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[153]) ).

thf(155,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                    | ~ ( in @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) @ SV6 ) )
              | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
               != ( ordered_pair @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) ) ) ) )
        = $true )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[154]) ).

thf(156,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                | ~ ( in @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) @ SV6 ) )
          | ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
           != ( ordered_pair @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) ) ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[155]) ).

thf(157,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
                | ~ ( in @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) @ SV6 ) ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[156]) ).

thf(158,plain,
    ! [SV12: $i,SV10: $i,SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
         != ( ordered_pair @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[156]) ).

thf(159,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
              | ~ ( in @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) @ SV6 ) ) )
        = $true )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[157]) ).

thf(160,plain,
    ! [SV12: $i,SV10: $i,SV7: $i,SV3: $i,SV6: $i] :
      ( ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) ) )
        = $true )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[158]) ).

thf(161,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
          | ~ ( in @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) @ SV6 ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[159]) ).

thf(162,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( ~ ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[161]) ).

thf(163,plain,
    ! [SV10: $i,SV12: $i,SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( ~ ( in @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) @ SV6 ) )
        = $false )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[161]) ).

thf(164,plain,
    ! [SV3: $i,SV6: $i,SV7: $i,SV12: $i,SV10: $i] :
      ( ( ( in @ ( sK10_SY62 @ SV10 @ SV12 @ SV7 @ SV6 @ SV3 ) @ SV3 )
        = $true )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[162]) ).

thf(165,plain,
    ! [SV10: $i,SV12: $i,SV7: $i,SV6: $i,SV3: $i] :
      ( ( ( in @ ( sK11_SY68 @ SV3 @ SV6 @ SV7 @ SV12 @ SV10 ) @ SV6 )
        = $true )
      | ( ( in @ SV12 @ SV6 )
        = $false )
      | ( ( in @ SV10 @ SV3 )
        = $false )
      | ( ( ( sK5_SY51 @ SV6 @ SV3 @ SV7 )
          = ( ordered_pair @ SV10 @ SV12 ) )
        = $false )
      | ( ( SV7
          = ( cartesian_product2 @ SV3 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[163]) ).

thf(166,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[28,165,164,160,148,146,145,141,136,133,132,118,90,66,65,62,36,33]) ).

thf(167,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( cartesian_product2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ? [E: $i,F: $i] :
                  ( ( in @ E @ A )
                  & ( in @ F @ B )
                  & ( D
                    = ( ordered_pair @ E @ F ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(168,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[14]) ).

thf(169,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[13]) ).

thf(170,plain,
    ( ( subset @ sK1_A @ sK2_SY14 )
    = $true ),
    inference(copy,[status(thm)],[19]) ).

thf(171,plain,
    ( ( ~ ( subset @ ( cartesian_product2 @ sK3_SY16 @ sK1_A ) @ ( cartesian_product2 @ sK3_SY16 @ sK2_SY14 ) ) )
    = $true ),
    inference(copy,[status(thm)],[24]) ).

thf(172,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( cartesian_product2 @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ~ ! [SX4: $i] :
                                ~ ~ ! [SX5: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                | ~ ( in @ SX5 @ SX1 ) )
                                          | ( SX3
                                           != ( ordered_pair @ SX4 @ SX5 ) ) ) )
                      | ~ ( ~ ~ ! [SX4: $i] :
                                  ~ ~ ! [SX5: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                  | ~ ( in @ SX5 @ SX1 ) )
                                            | ( SX3
                                             != ( ordered_pair @ SX4 @ SX5 ) ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ~ ! [SX4: $i] :
                                  ~ ~ ! [SX5: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                  | ~ ( in @ SX5 @ SX1 ) )
                                            | ( SX3
                                             != ( ordered_pair @ SX4 @ SX5 ) ) ) )
                        | ~ ( ~ ~ ! [SX4: $i] :
                                    ~ ~ ! [SX5: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SX4 @ SX0 )
                                                    | ~ ( in @ SX5 @ SX1 ) )
                                              | ( SX3
                                               != ( ordered_pair @ SX4 @ SX5 ) ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( cartesian_product2 @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[167]) ).

thf(173,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ( in @ SX2 @ SX1 ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[168]) ).

thf(174,plain,
    ! [SV14: $i] :
      ( ( ! [SY69: $i] : ( subset @ SV14 @ SV14 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[169]) ).

thf(175,plain,
    ( ( subset @ ( cartesian_product2 @ sK3_SY16 @ sK1_A ) @ ( cartesian_product2 @ sK3_SY16 @ sK2_SY14 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[171]) ).

thf(176,plain,
    ! [SV15: $i] :
      ( ( ! [SY70: $i,SY71: $i] :
            ~ ( ~ ( ( SY71
                   != ( cartesian_product2 @ SV15 @ SY70 ) )
                  | ! [SY72: $i] :
                      ~ ( ~ ( ~ ( in @ SY72 @ SY71 )
                            | ~ ! [SY73: $i] :
                                  ~ ~ ! [SY74: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY73 @ SV15 )
                                                  | ~ ( in @ SY74 @ SY70 ) )
                                            | ( SY72
                                             != ( ordered_pair @ SY73 @ SY74 ) ) ) )
                        | ~ ( ~ ~ ! [SY75: $i] :
                                    ~ ~ ! [SY76: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY75 @ SV15 )
                                                    | ~ ( in @ SY76 @ SY70 ) )
                                              | ( SY72
                                               != ( ordered_pair @ SY75 @ SY76 ) ) )
                            | ( in @ SY72 @ SY71 ) ) ) )
              | ~ ( ~ ! [SY77: $i] :
                        ~ ( ~ ( ~ ( in @ SY77 @ SY71 )
                              | ~ ! [SY78: $i] :
                                    ~ ~ ! [SY79: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY78 @ SV15 )
                                                    | ~ ( in @ SY79 @ SY70 ) )
                                              | ( SY77
                                               != ( ordered_pair @ SY78 @ SY79 ) ) ) )
                          | ~ ( ~ ~ ! [SY80: $i] :
                                      ~ ~ ! [SY81: $i] :
                                            ~ ~ ( ~ ~ ( ~ ( in @ SY80 @ SV15 )
                                                      | ~ ( in @ SY81 @ SY70 ) )
                                                | ( SY77
                                                 != ( ordered_pair @ SY80 @ SY81 ) ) )
                              | ( in @ SY77 @ SY71 ) ) )
                  | ( SY71
                    = ( cartesian_product2 @ SV15 @ SY70 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[172]) ).

thf(177,plain,
    ! [SV16: $i] :
      ( ( ! [SY82: $i] :
            ~ ( ~ ( ~ ( subset @ SV16 @ SY82 )
                  | ! [SY83: $i] :
                      ( ~ ( in @ SY83 @ SV16 )
                      | ( in @ SY83 @ SY82 ) ) )
              | ~ ( ~ ! [SY84: $i] :
                        ( ~ ( in @ SY84 @ SV16 )
                        | ( in @ SY84 @ SY82 ) )
                  | ( subset @ SV16 @ SY82 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[173]) ).

thf(178,plain,
    ! [SV14: $i] :
      ( ( subset @ SV14 @ SV14 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[174]) ).

thf(179,plain,
    ! [SV18: $i,SV15: $i] :
      ( ( ! [SY85: $i] :
            ~ ( ~ ( ( SY85
                   != ( cartesian_product2 @ SV15 @ SV18 ) )
                  | ! [SY86: $i] :
                      ~ ( ~ ( ~ ( in @ SY86 @ SY85 )
                            | ~ ! [SY87: $i] :
                                  ~ ~ ! [SY88: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY87 @ SV15 )
                                                  | ~ ( in @ SY88 @ SV18 ) )
                                            | ( SY86
                                             != ( ordered_pair @ SY87 @ SY88 ) ) ) )
                        | ~ ( ~ ~ ! [SY89: $i] :
                                    ~ ~ ! [SY90: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY89 @ SV15 )
                                                    | ~ ( in @ SY90 @ SV18 ) )
                                              | ( SY86
                                               != ( ordered_pair @ SY89 @ SY90 ) ) )
                            | ( in @ SY86 @ SY85 ) ) ) )
              | ~ ( ~ ! [SY91: $i] :
                        ~ ( ~ ( ~ ( in @ SY91 @ SY85 )
                              | ~ ! [SY92: $i] :
                                    ~ ~ ! [SY93: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY92 @ SV15 )
                                                    | ~ ( in @ SY93 @ SV18 ) )
                                              | ( SY91
                                               != ( ordered_pair @ SY92 @ SY93 ) ) ) )
                          | ~ ( ~ ~ ! [SY94: $i] :
                                      ~ ~ ! [SY95: $i] :
                                            ~ ~ ( ~ ~ ( ~ ( in @ SY94 @ SV15 )
                                                      | ~ ( in @ SY95 @ SV18 ) )
                                                | ( SY91
                                                 != ( ordered_pair @ SY94 @ SY95 ) ) )
                              | ( in @ SY91 @ SY85 ) ) )
                  | ( SY85
                    = ( cartesian_product2 @ SV15 @ SV18 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[176]) ).

thf(180,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ SV16 @ SV19 )
                | ! [SY96: $i] :
                    ( ~ ( in @ SY96 @ SV16 )
                    | ( in @ SY96 @ SV19 ) ) )
            | ~ ( ~ ! [SY97: $i] :
                      ( ~ ( in @ SY97 @ SV16 )
                      | ( in @ SY97 @ SV19 ) )
                | ( subset @ SV16 @ SV19 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[177]) ).

thf(181,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ~ ( ~ ( ( SV20
                 != ( cartesian_product2 @ SV15 @ SV18 ) )
                | ! [SY98: $i] :
                    ~ ( ~ ( ~ ( in @ SY98 @ SV20 )
                          | ~ ! [SY87: $i] :
                                ~ ~ ! [SY88: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SY87 @ SV15 )
                                                | ~ ( in @ SY88 @ SV18 ) )
                                          | ( SY98
                                           != ( ordered_pair @ SY87 @ SY88 ) ) ) )
                      | ~ ( ~ ~ ! [SY89: $i] :
                                  ~ ~ ! [SY90: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY89 @ SV15 )
                                                  | ~ ( in @ SY90 @ SV18 ) )
                                            | ( SY98
                                             != ( ordered_pair @ SY89 @ SY90 ) ) )
                          | ( in @ SY98 @ SV20 ) ) ) )
            | ~ ( ~ ! [SY103: $i] :
                      ~ ( ~ ( ~ ( in @ SY103 @ SV20 )
                            | ~ ! [SY92: $i] :
                                  ~ ~ ! [SY93: $i] :
                                        ~ ~ ( ~ ~ ( ~ ( in @ SY92 @ SV15 )
                                                  | ~ ( in @ SY93 @ SV18 ) )
                                            | ( SY103
                                             != ( ordered_pair @ SY92 @ SY93 ) ) ) )
                        | ~ ( ~ ~ ! [SY94: $i] :
                                    ~ ~ ! [SY95: $i] :
                                          ~ ~ ( ~ ~ ( ~ ( in @ SY94 @ SV15 )
                                                    | ~ ( in @ SY95 @ SV18 ) )
                                              | ( SY103
                                               != ( ordered_pair @ SY94 @ SY95 ) ) )
                            | ( in @ SY103 @ SV20 ) ) )
                | ( SV20
                  = ( cartesian_product2 @ SV15 @ SV18 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[179]) ).

thf(182,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ~ ( ~ ( subset @ SV16 @ SV19 )
            | ! [SY96: $i] :
                ( ~ ( in @ SY96 @ SV16 )
                | ( in @ SY96 @ SV19 ) ) )
        | ~ ( ~ ! [SY97: $i] :
                  ( ~ ( in @ SY97 @ SV16 )
                  | ( in @ SY97 @ SV19 ) )
            | ( subset @ SV16 @ SV19 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[180]) ).

thf(183,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ~ ( ( SV20
             != ( cartesian_product2 @ SV15 @ SV18 ) )
            | ! [SY98: $i] :
                ~ ( ~ ( ~ ( in @ SY98 @ SV20 )
                      | ~ ! [SY87: $i] :
                            ~ ~ ! [SY88: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY87 @ SV15 )
                                            | ~ ( in @ SY88 @ SV18 ) )
                                      | ( SY98
                                       != ( ordered_pair @ SY87 @ SY88 ) ) ) )
                  | ~ ( ~ ~ ! [SY89: $i] :
                              ~ ~ ! [SY90: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY89 @ SV15 )
                                              | ~ ( in @ SY90 @ SV18 ) )
                                        | ( SY98
                                         != ( ordered_pair @ SY89 @ SY90 ) ) )
                      | ( in @ SY98 @ SV20 ) ) ) )
        | ~ ( ~ ! [SY103: $i] :
                  ~ ( ~ ( ~ ( in @ SY103 @ SV20 )
                        | ~ ! [SY92: $i] :
                              ~ ~ ! [SY93: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY92 @ SV15 )
                                              | ~ ( in @ SY93 @ SV18 ) )
                                        | ( SY103
                                         != ( ordered_pair @ SY92 @ SY93 ) ) ) )
                    | ~ ( ~ ~ ! [SY94: $i] :
                                ~ ~ ! [SY95: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SY94 @ SV15 )
                                                | ~ ( in @ SY95 @ SV18 ) )
                                          | ( SY103
                                           != ( ordered_pair @ SY94 @ SY95 ) ) )
                        | ( in @ SY103 @ SV20 ) ) )
            | ( SV20
              = ( cartesian_product2 @ SV15 @ SV18 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[181]) ).

thf(184,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ~ ( ~ ( subset @ SV16 @ SV19 )
            | ! [SY96: $i] :
                ( ~ ( in @ SY96 @ SV16 )
                | ( in @ SY96 @ SV19 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[182]) ).

thf(185,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ~ ( ~ ! [SY97: $i] :
                  ( ~ ( in @ SY97 @ SV16 )
                  | ( in @ SY97 @ SV19 ) )
            | ( subset @ SV16 @ SV19 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[182]) ).

thf(186,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ~ ( ( SV20
             != ( cartesian_product2 @ SV15 @ SV18 ) )
            | ! [SY98: $i] :
                ~ ( ~ ( ~ ( in @ SY98 @ SV20 )
                      | ~ ! [SY87: $i] :
                            ~ ~ ! [SY88: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY87 @ SV15 )
                                            | ~ ( in @ SY88 @ SV18 ) )
                                      | ( SY98
                                       != ( ordered_pair @ SY87 @ SY88 ) ) ) )
                  | ~ ( ~ ~ ! [SY89: $i] :
                              ~ ~ ! [SY90: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY89 @ SV15 )
                                              | ~ ( in @ SY90 @ SV18 ) )
                                        | ( SY98
                                         != ( ordered_pair @ SY89 @ SY90 ) ) )
                      | ( in @ SY98 @ SV20 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[183]) ).

thf(187,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ~ ( ~ ! [SY103: $i] :
                  ~ ( ~ ( ~ ( in @ SY103 @ SV20 )
                        | ~ ! [SY92: $i] :
                              ~ ~ ! [SY93: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY92 @ SV15 )
                                              | ~ ( in @ SY93 @ SV18 ) )
                                        | ( SY103
                                         != ( ordered_pair @ SY92 @ SY93 ) ) ) )
                    | ~ ( ~ ~ ! [SY94: $i] :
                                ~ ~ ! [SY95: $i] :
                                      ~ ~ ( ~ ~ ( ~ ( in @ SY94 @ SV15 )
                                                | ~ ( in @ SY95 @ SV18 ) )
                                          | ( SY103
                                           != ( ordered_pair @ SY94 @ SY95 ) ) )
                        | ( in @ SY103 @ SV20 ) ) )
            | ( SV20
              = ( cartesian_product2 @ SV15 @ SV18 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[183]) ).

thf(188,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ~ ( subset @ SV16 @ SV19 )
        | ! [SY96: $i] :
            ( ~ ( in @ SY96 @ SV16 )
            | ( in @ SY96 @ SV19 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[184]) ).

thf(189,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ~ ! [SY97: $i] :
              ( ~ ( in @ SY97 @ SV16 )
              | ( in @ SY97 @ SV19 ) )
        | ( subset @ SV16 @ SV19 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[185]) ).

thf(190,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ( SV20
         != ( cartesian_product2 @ SV15 @ SV18 ) )
        | ! [SY98: $i] :
            ~ ( ~ ( ~ ( in @ SY98 @ SV20 )
                  | ~ ! [SY87: $i] :
                        ~ ~ ! [SY88: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY87 @ SV15 )
                                        | ~ ( in @ SY88 @ SV18 ) )
                                  | ( SY98
                                   != ( ordered_pair @ SY87 @ SY88 ) ) ) )
              | ~ ( ~ ~ ! [SY89: $i] :
                          ~ ~ ! [SY90: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY89 @ SV15 )
                                          | ~ ( in @ SY90 @ SV18 ) )
                                    | ( SY98
                                     != ( ordered_pair @ SY89 @ SY90 ) ) )
                  | ( in @ SY98 @ SV20 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[186]) ).

thf(191,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ~ ! [SY103: $i] :
              ~ ( ~ ( ~ ( in @ SY103 @ SV20 )
                    | ~ ! [SY92: $i] :
                          ~ ~ ! [SY93: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY92 @ SV15 )
                                          | ~ ( in @ SY93 @ SV18 ) )
                                    | ( SY103
                                     != ( ordered_pair @ SY92 @ SY93 ) ) ) )
                | ~ ( ~ ~ ! [SY94: $i] :
                            ~ ~ ! [SY95: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY94 @ SV15 )
                                            | ~ ( in @ SY95 @ SV18 ) )
                                      | ( SY103
                                       != ( ordered_pair @ SY94 @ SY95 ) ) )
                    | ( in @ SY103 @ SV20 ) ) )
        | ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[187]) ).

thf(192,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ( ~ ( subset @ SV16 @ SV19 ) )
        = $true )
      | ( ( ! [SY96: $i] :
              ( ~ ( in @ SY96 @ SV16 )
              | ( in @ SY96 @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[188]) ).

thf(193,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ( ~ ! [SY97: $i] :
                ( ~ ( in @ SY97 @ SV16 )
                | ( in @ SY97 @ SV19 ) ) )
        = $true )
      | ( ( subset @ SV16 @ SV19 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[189]) ).

thf(194,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ( SV20
         != ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true )
      | ( ( ! [SY98: $i] :
              ~ ( ~ ( ~ ( in @ SY98 @ SV20 )
                    | ~ ! [SY87: $i] :
                          ~ ~ ! [SY88: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY87 @ SV15 )
                                          | ~ ( in @ SY88 @ SV18 ) )
                                    | ( SY98
                                     != ( ordered_pair @ SY87 @ SY88 ) ) ) )
                | ~ ( ~ ~ ! [SY89: $i] :
                            ~ ~ ! [SY90: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY89 @ SV15 )
                                            | ~ ( in @ SY90 @ SV18 ) )
                                      | ( SY98
                                       != ( ordered_pair @ SY89 @ SY90 ) ) )
                    | ( in @ SY98 @ SV20 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[190]) ).

thf(195,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ( ~ ! [SY103: $i] :
                ~ ( ~ ( ~ ( in @ SY103 @ SV20 )
                      | ~ ! [SY92: $i] :
                            ~ ~ ! [SY93: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY92 @ SV15 )
                                            | ~ ( in @ SY93 @ SV18 ) )
                                      | ( SY103
                                       != ( ordered_pair @ SY92 @ SY93 ) ) ) )
                  | ~ ( ~ ~ ! [SY94: $i] :
                              ~ ~ ! [SY95: $i] :
                                    ~ ~ ( ~ ~ ( ~ ( in @ SY94 @ SV15 )
                                              | ~ ( in @ SY95 @ SV18 ) )
                                        | ( SY103
                                         != ( ordered_pair @ SY94 @ SY95 ) ) )
                      | ( in @ SY103 @ SV20 ) ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[191]) ).

thf(196,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ( subset @ SV16 @ SV19 )
        = $false )
      | ( ( ! [SY96: $i] :
              ( ~ ( in @ SY96 @ SV16 )
              | ( in @ SY96 @ SV19 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[192]) ).

thf(197,plain,
    ! [SV19: $i,SV16: $i] :
      ( ( ( ! [SY97: $i] :
              ( ~ ( in @ SY97 @ SV16 )
              | ( in @ SY97 @ SV19 ) ) )
        = $false )
      | ( ( subset @ SV16 @ SV19 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[193]) ).

thf(198,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false )
      | ( ( ! [SY98: $i] :
              ~ ( ~ ( ~ ( in @ SY98 @ SV20 )
                    | ~ ! [SY87: $i] :
                          ~ ~ ! [SY88: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY87 @ SV15 )
                                          | ~ ( in @ SY88 @ SV18 ) )
                                    | ( SY98
                                     != ( ordered_pair @ SY87 @ SY88 ) ) ) )
                | ~ ( ~ ~ ! [SY89: $i] :
                            ~ ~ ! [SY90: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY89 @ SV15 )
                                            | ~ ( in @ SY90 @ SV18 ) )
                                      | ( SY98
                                       != ( ordered_pair @ SY89 @ SY90 ) ) )
                    | ( in @ SY98 @ SV20 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[194]) ).

thf(199,plain,
    ! [SV18: $i,SV15: $i,SV20: $i] :
      ( ( ( ! [SY103: $i] :
              ~ ( ~ ( ~ ( in @ SY103 @ SV20 )
                    | ~ ! [SY92: $i] :
                          ~ ~ ! [SY93: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY92 @ SV15 )
                                          | ~ ( in @ SY93 @ SV18 ) )
                                    | ( SY103
                                     != ( ordered_pair @ SY92 @ SY93 ) ) ) )
                | ~ ( ~ ~ ! [SY94: $i] :
                            ~ ~ ! [SY95: $i] :
                                  ~ ~ ( ~ ~ ( ~ ( in @ SY94 @ SV15 )
                                            | ~ ( in @ SY95 @ SV18 ) )
                                      | ( SY103
                                       != ( ordered_pair @ SY94 @ SY95 ) ) )
                    | ( in @ SY103 @ SV20 ) ) ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[195]) ).

thf(200,plain,
    ! [SV19: $i,SV16: $i,SV21: $i] :
      ( ( ( ~ ( in @ SV21 @ SV16 )
          | ( in @ SV21 @ SV19 ) )
        = $true )
      | ( ( subset @ SV16 @ SV19 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[196]) ).

thf(201,plain,
    ! [SV16: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK12_SY97 @ SV19 @ SV16 ) @ SV16 )
          | ( in @ ( sK12_SY97 @ SV19 @ SV16 ) @ SV19 ) )
        = $false )
      | ( ( subset @ SV16 @ SV19 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[197]) ).

thf(202,plain,
    ! [SV18: $i,SV15: $i,SV20: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV22 @ SV20 )
                  | ~ ! [SY108: $i] :
                        ~ ~ ! [SY109: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY108 @ SV15 )
                                        | ~ ( in @ SY109 @ SV18 ) )
                                  | ( SV22
                                   != ( ordered_pair @ SY108 @ SY109 ) ) ) )
              | ~ ( ~ ~ ! [SY110: $i] :
                          ~ ~ ! [SY111: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY110 @ SV15 )
                                          | ~ ( in @ SY111 @ SV18 ) )
                                    | ( SV22
                                     != ( ordered_pair @ SY110 @ SY111 ) ) )
                  | ( in @ SV22 @ SV20 ) ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[198]) ).

thf(203,plain,
    ! [SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
                  | ~ ! [SY112: $i] :
                        ~ ~ ! [SY113: $i] :
                              ~ ~ ( ~ ~ ( ~ ( in @ SY112 @ SV15 )
                                        | ~ ( in @ SY113 @ SV18 ) )
                                  | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                   != ( ordered_pair @ SY112 @ SY113 ) ) ) )
              | ~ ( ~ ~ ! [SY114: $i] :
                          ~ ~ ! [SY115: $i] :
                                ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                          | ~ ( in @ SY115 @ SV18 ) )
                                    | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                     != ( ordered_pair @ SY114 @ SY115 ) ) )
                  | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[199]) ).

thf(204,plain,
    ! [SV19: $i,SV16: $i,SV21: $i] :
      ( ( ( ~ ( in @ SV21 @ SV16 ) )
        = $true )
      | ( ( in @ SV21 @ SV19 )
        = $true )
      | ( ( subset @ SV16 @ SV19 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[200]) ).

thf(205,plain,
    ! [SV16: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK12_SY97 @ SV19 @ SV16 ) @ SV16 ) )
        = $false )
      | ( ( subset @ SV16 @ SV19 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[201]) ).

thf(206,plain,
    ! [SV16: $i,SV19: $i] :
      ( ( ( in @ ( sK12_SY97 @ SV19 @ SV16 ) @ SV19 )
        = $false )
      | ( ( subset @ SV16 @ SV19 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[201]) ).

thf(207,plain,
    ! [SV18: $i,SV15: $i,SV20: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( in @ SV22 @ SV20 )
              | ~ ! [SY108: $i] :
                    ~ ~ ! [SY109: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY108 @ SV15 )
                                    | ~ ( in @ SY109 @ SV18 ) )
                              | ( SV22
                               != ( ordered_pair @ SY108 @ SY109 ) ) ) )
          | ~ ( ~ ~ ! [SY110: $i] :
                      ~ ~ ! [SY111: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY110 @ SV15 )
                                      | ~ ( in @ SY111 @ SV18 ) )
                                | ( SV22
                                 != ( ordered_pair @ SY110 @ SY111 ) ) )
              | ( in @ SV22 @ SV20 ) ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[202]) ).

thf(208,plain,
    ! [SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
              | ~ ! [SY112: $i] :
                    ~ ~ ! [SY113: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY112 @ SV15 )
                                    | ~ ( in @ SY113 @ SV18 ) )
                              | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                               != ( ordered_pair @ SY112 @ SY113 ) ) ) )
          | ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[203]) ).

thf(209,plain,
    ! [SV19: $i,SV16: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV16 )
        = $false )
      | ( ( in @ SV21 @ SV19 )
        = $true )
      | ( ( subset @ SV16 @ SV19 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[204]) ).

thf(210,plain,
    ! [SV16: $i,SV19: $i] :
      ( ( ( in @ ( sK12_SY97 @ SV19 @ SV16 ) @ SV16 )
        = $true )
      | ( ( subset @ SV16 @ SV19 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[205]) ).

thf(211,plain,
    ! [SV18: $i,SV15: $i,SV20: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( in @ SV22 @ SV20 )
              | ~ ! [SY108: $i] :
                    ~ ~ ! [SY109: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY108 @ SV15 )
                                    | ~ ( in @ SY109 @ SV18 ) )
                              | ( SV22
                               != ( ordered_pair @ SY108 @ SY109 ) ) ) ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[207]) ).

thf(212,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ( ~ ~ ! [SY110: $i] :
                      ~ ~ ! [SY111: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY110 @ SV15 )
                                      | ~ ( in @ SY111 @ SV18 ) )
                                | ( SV22
                                 != ( ordered_pair @ SY110 @ SY111 ) ) )
              | ( in @ SV22 @ SV20 ) ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[207]) ).

thf(213,plain,
    ! [SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
              | ~ ! [SY112: $i] :
                    ~ ~ ! [SY113: $i] :
                          ~ ~ ( ~ ~ ( ~ ( in @ SY112 @ SV15 )
                                    | ~ ( in @ SY113 @ SV18 ) )
                              | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                               != ( ordered_pair @ SY112 @ SY113 ) ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[208]) ).

thf(214,plain,
    ! [SV18: $i,SV15: $i,SV20: $i,SV22: $i] :
      ( ( ( ~ ( in @ SV22 @ SV20 )
          | ~ ! [SY108: $i] :
                ~ ~ ! [SY109: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY108 @ SV15 )
                                | ~ ( in @ SY109 @ SV18 ) )
                          | ( SV22
                           != ( ordered_pair @ SY108 @ SY109 ) ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[211]) ).

thf(215,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY110: $i] :
                  ~ ~ ! [SY111: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY110 @ SV15 )
                                  | ~ ( in @ SY111 @ SV18 ) )
                            | ( SV22
                             != ( ordered_pair @ SY110 @ SY111 ) ) )
          | ( in @ SV22 @ SV20 ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[212]) ).

thf(216,plain,
    ! [SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ~ ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
          | ~ ! [SY112: $i] :
                ~ ~ ! [SY113: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY112 @ SV15 )
                                | ~ ( in @ SY113 @ SV18 ) )
                          | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                           != ( ordered_pair @ SY112 @ SY113 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[213]) ).

thf(217,plain,
    ! [SV18: $i,SV15: $i,SV20: $i,SV22: $i] :
      ( ( ( ~ ( in @ SV22 @ SV20 ) )
        = $true )
      | ( ( ~ ! [SY108: $i] :
                ~ ~ ! [SY109: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY108 @ SV15 )
                                | ~ ( in @ SY109 @ SV18 ) )
                          | ( SV22
                           != ( ordered_pair @ SY108 @ SY109 ) ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[214]) ).

thf(218,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY110: $i] :
                  ~ ~ ! [SY111: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY110 @ SV15 )
                                  | ~ ( in @ SY111 @ SV18 ) )
                            | ( SV22
                             != ( ordered_pair @ SY110 @ SY111 ) ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[215]) ).

thf(219,plain,
    ! [SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ~ ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[216]) ).

thf(220,plain,
    ! [SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ! [SY112: $i] :
                ~ ~ ! [SY113: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY112 @ SV15 )
                                | ~ ( in @ SY113 @ SV18 ) )
                          | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                           != ( ordered_pair @ SY112 @ SY113 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[216]) ).

thf(221,plain,
    ! [SV18: $i,SV15: $i,SV20: $i,SV22: $i] :
      ( ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( ~ ! [SY108: $i] :
                ~ ~ ! [SY109: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY108 @ SV15 )
                                | ~ ( in @ SY109 @ SV18 ) )
                          | ( SV22
                           != ( ordered_pair @ SY108 @ SY109 ) ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[217]) ).

thf(222,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ! [SY110: $i] :
                ~ ~ ! [SY111: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY110 @ SV15 )
                                | ~ ( in @ SY111 @ SV18 ) )
                          | ( SV22
                           != ( ordered_pair @ SY110 @ SY111 ) ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[218]) ).

thf(223,plain,
    ! [SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[219]) ).

thf(224,plain,
    ! [SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ! [SY112: $i] :
              ~ ~ ! [SY113: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY112 @ SV15 )
                              | ~ ( in @ SY113 @ SV18 ) )
                        | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                         != ( ordered_pair @ SY112 @ SY113 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[220]) ).

thf(225,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i] :
      ( ( ( ! [SY108: $i] :
              ~ ~ ! [SY109: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY108 @ SV15 )
                              | ~ ( in @ SY109 @ SV18 ) )
                        | ( SV22
                         != ( ordered_pair @ SY108 @ SY109 ) ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[221]) ).

thf(226,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i] :
      ( ( ( ! [SY110: $i] :
              ~ ~ ! [SY111: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY110 @ SV15 )
                              | ~ ( in @ SY111 @ SV18 ) )
                        | ( SV22
                         != ( ordered_pair @ SY110 @ SY111 ) ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[222]) ).

thf(227,plain,
    ! [SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY114: $i] :
                  ~ ~ ! [SY115: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                  | ~ ( in @ SY115 @ SV18 ) )
                            | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                             != ( ordered_pair @ SY114 @ SY115 ) ) )
          | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[223]) ).

thf(228,plain,
    ! [SV20: $i,SV18: $i,SV15: $i,SV23: $i] :
      ( ( ( ~ ~ ! [SY116: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ SV15 )
                            | ~ ( in @ SY116 @ SV18 ) )
                      | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                       != ( ordered_pair @ SV23 @ SY116 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[224]) ).

thf(229,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ~ ~ ! [SY117: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
                            | ~ ( in @ SY117 @ SV18 ) )
                      | ( SV22
                       != ( ordered_pair @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SY117 ) ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[225]) ).

thf(230,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i,SV24: $i] :
      ( ( ( ~ ~ ! [SY118: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ SV24 @ SV15 )
                            | ~ ( in @ SY118 @ SV18 ) )
                      | ( SV22
                       != ( ordered_pair @ SV24 @ SY118 ) ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[226]) ).

thf(231,plain,
    ! [SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY114: $i] :
                  ~ ~ ! [SY115: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                  | ~ ( in @ SY115 @ SV18 ) )
                            | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                             != ( ordered_pair @ SY114 @ SY115 ) ) ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[227]) ).

thf(232,plain,
    ! [SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[227]) ).

thf(233,plain,
    ! [SV20: $i,SV18: $i,SV15: $i,SV23: $i] :
      ( ( ( ~ ! [SY116: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ SV15 )
                          | ~ ( in @ SY116 @ SV18 ) )
                    | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                     != ( ordered_pair @ SV23 @ SY116 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[228]) ).

thf(234,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ~ ! [SY117: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
                          | ~ ( in @ SY117 @ SV18 ) )
                    | ( SV22
                     != ( ordered_pair @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SY117 ) ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[229]) ).

thf(235,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i,SV24: $i] :
      ( ( ( ~ ! [SY118: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ SV24 @ SV15 )
                          | ~ ( in @ SY118 @ SV18 ) )
                    | ( SV22
                     != ( ordered_pair @ SV24 @ SY118 ) ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[230]) ).

thf(236,plain,
    ! [SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ! [SY114: $i] :
                ~ ~ ! [SY115: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                | ~ ( in @ SY115 @ SV18 ) )
                          | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                           != ( ordered_pair @ SY114 @ SY115 ) ) ) )
        = $true )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[231]) ).

thf(237,plain,
    ! [SV20: $i,SV18: $i,SV15: $i,SV23: $i] :
      ( ( ( ! [SY116: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ SV15 )
                        | ~ ( in @ SY116 @ SV18 ) )
                  | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                   != ( ordered_pair @ SV23 @ SY116 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[233]) ).

thf(238,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ! [SY117: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
                        | ~ ( in @ SY117 @ SV18 ) )
                  | ( SV22
                   != ( ordered_pair @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SY117 ) ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[234]) ).

thf(239,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i,SV24: $i] :
      ( ( ( ! [SY118: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ SV24 @ SV15 )
                        | ~ ( in @ SY118 @ SV18 ) )
                  | ( SV22
                   != ( ordered_pair @ SV24 @ SY118 ) ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[235]) ).

thf(240,plain,
    ! [SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ! [SY114: $i] :
              ~ ~ ! [SY115: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                              | ~ ( in @ SY115 @ SV18 ) )
                        | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                         != ( ordered_pair @ SY114 @ SY115 ) ) ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[236]) ).

thf(241,plain,
    ! [SV20: $i,SV18: $i,SV25: $i,SV15: $i,SV23: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV23 @ SV15 )
                      | ~ ( in @ SV25 @ SV18 ) )
                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                 != ( ordered_pair @ SV23 @ SV25 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[237]) ).

thf(242,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
                      | ~ ( in @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) @ SV18 ) )
                | ( SV22
                 != ( ordered_pair @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) ) ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_forall_neg,[status(esa)],[238]) ).

thf(243,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV26: $i,SV15: $i,SV24: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ SV24 @ SV15 )
                      | ~ ( in @ SV26 @ SV18 ) )
                | ( SV22
                 != ( ordered_pair @ SV24 @ SV26 ) ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[239]) ).

thf(244,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ~ ~ ! [SY119: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                            | ~ ( in @ SY119 @ SV18 ) )
                      | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                       != ( ordered_pair @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SY119 ) ) ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[240]) ).

thf(245,plain,
    ! [SV20: $i,SV18: $i,SV25: $i,SV15: $i,SV23: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV23 @ SV15 )
                    | ~ ( in @ SV25 @ SV18 ) )
              | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
               != ( ordered_pair @ SV23 @ SV25 ) ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[241]) ).

thf(246,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
                    | ~ ( in @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) @ SV18 ) )
              | ( SV22
               != ( ordered_pair @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) ) ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[242]) ).

thf(247,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV26: $i,SV15: $i,SV24: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV24 @ SV15 )
                    | ~ ( in @ SV26 @ SV18 ) )
              | ( SV22
               != ( ordered_pair @ SV24 @ SV26 ) ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[243]) ).

thf(248,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ~ ! [SY119: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                          | ~ ( in @ SY119 @ SV18 ) )
                    | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                     != ( ordered_pair @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SY119 ) ) ) )
        = $true )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[244]) ).

thf(249,plain,
    ! [SV20: $i,SV18: $i,SV25: $i,SV15: $i,SV23: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV23 @ SV15 )
                | ~ ( in @ SV25 @ SV18 ) )
          | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
           != ( ordered_pair @ SV23 @ SV25 ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[245]) ).

thf(250,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
                | ~ ( in @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) @ SV18 ) )
          | ( SV22
           != ( ordered_pair @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[246]) ).

thf(251,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV26: $i,SV15: $i,SV24: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV24 @ SV15 )
                | ~ ( in @ SV26 @ SV18 ) )
          | ( SV22
           != ( ordered_pair @ SV24 @ SV26 ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[247]) ).

thf(252,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ! [SY119: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                        | ~ ( in @ SY119 @ SV18 ) )
                  | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                   != ( ordered_pair @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SY119 ) ) ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[248]) ).

thf(253,plain,
    ! [SV20: $i,SV18: $i,SV25: $i,SV15: $i,SV23: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV23 @ SV15 )
                | ~ ( in @ SV25 @ SV18 ) ) )
        = $true )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
         != ( ordered_pair @ SV23 @ SV25 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[249]) ).

thf(254,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
                | ~ ( in @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) @ SV18 ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[250]) ).

thf(255,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV22: $i] :
      ( ( ( SV22
         != ( ordered_pair @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[250]) ).

thf(256,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV26: $i,SV15: $i,SV24: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV24 @ SV15 )
                | ~ ( in @ SV26 @ SV18 ) ) )
        = $true )
      | ( ( SV22
         != ( ordered_pair @ SV24 @ SV26 ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[251]) ).

thf(257,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                      | ~ ( in @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) @ SV18 ) )
                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                 != ( ordered_pair @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) ) ) ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[252]) ).

thf(258,plain,
    ! [SV20: $i,SV18: $i,SV25: $i,SV15: $i,SV23: $i] :
      ( ( ( ~ ( ~ ( in @ SV23 @ SV15 )
              | ~ ( in @ SV25 @ SV18 ) ) )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
         != ( ordered_pair @ SV23 @ SV25 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[253]) ).

thf(259,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
              | ~ ( in @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) @ SV18 ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[254]) ).

thf(260,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV22: $i] :
      ( ( ( SV22
          = ( ordered_pair @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[255]) ).

thf(261,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV26: $i,SV15: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( in @ SV24 @ SV15 )
              | ~ ( in @ SV26 @ SV18 ) ) )
        = $false )
      | ( ( SV22
         != ( ordered_pair @ SV24 @ SV26 ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[256]) ).

thf(262,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                    | ~ ( in @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) @ SV18 ) )
              | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
               != ( ordered_pair @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) ) ) ) )
        = $true )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[257]) ).

thf(263,plain,
    ! [SV20: $i,SV18: $i,SV25: $i,SV15: $i,SV23: $i] :
      ( ( ( ~ ( in @ SV23 @ SV15 )
          | ~ ( in @ SV25 @ SV18 ) )
        = $true )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
         != ( ordered_pair @ SV23 @ SV25 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[258]) ).

thf(264,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
          | ~ ( in @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[259]) ).

thf(265,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV26: $i,SV15: $i,SV24: $i] :
      ( ( ( ~ ( in @ SV24 @ SV15 )
          | ~ ( in @ SV26 @ SV18 ) )
        = $true )
      | ( ( SV22
         != ( ordered_pair @ SV24 @ SV26 ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[261]) ).

thf(266,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                | ~ ( in @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) @ SV18 ) )
          | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
           != ( ordered_pair @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) ) ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[262]) ).

thf(267,plain,
    ! [SV20: $i,SV18: $i,SV25: $i,SV15: $i,SV23: $i] :
      ( ( ( ~ ( in @ SV23 @ SV15 ) )
        = $true )
      | ( ( ~ ( in @ SV25 @ SV18 ) )
        = $true )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
         != ( ordered_pair @ SV23 @ SV25 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[263]) ).

thf(268,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[264]) ).

thf(269,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ( in @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[264]) ).

thf(270,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV26: $i,SV15: $i,SV24: $i] :
      ( ( ( ~ ( in @ SV24 @ SV15 ) )
        = $true )
      | ( ( ~ ( in @ SV26 @ SV18 ) )
        = $true )
      | ( ( SV22
         != ( ordered_pair @ SV24 @ SV26 ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[265]) ).

thf(271,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                | ~ ( in @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) @ SV18 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[266]) ).

thf(272,plain,
    ! [SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
         != ( ordered_pair @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[266]) ).

thf(273,plain,
    ! [SV20: $i,SV18: $i,SV25: $i,SV15: $i,SV23: $i] :
      ( ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ~ ( in @ SV25 @ SV18 ) )
        = $true )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
         != ( ordered_pair @ SV23 @ SV25 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[267]) ).

thf(274,plain,
    ! [SV15: $i,SV18: $i,SV22: $i,SV20: $i] :
      ( ( ( in @ ( sK14_SY108 @ SV20 @ SV22 @ SV18 @ SV15 ) @ SV15 )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[268]) ).

thf(275,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV15: $i] :
      ( ( ( in @ ( sK15_SY117 @ SV15 @ SV18 @ SV22 @ SV20 ) @ SV18 )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[269]) ).

thf(276,plain,
    ! [SV20: $i,SV22: $i,SV18: $i,SV26: $i,SV15: $i,SV24: $i] :
      ( ( ( in @ SV24 @ SV15 )
        = $false )
      | ( ( ~ ( in @ SV26 @ SV18 ) )
        = $true )
      | ( ( SV22
         != ( ordered_pair @ SV24 @ SV26 ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[270]) ).

thf(277,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
              | ~ ( in @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) @ SV18 ) ) )
        = $true )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[271]) ).

thf(278,plain,
    ! [SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) ) )
        = $true )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[272]) ).

thf(279,plain,
    ! [SV20: $i,SV15: $i,SV23: $i,SV18: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
         != ( ordered_pair @ SV23 @ SV25 ) )
        = $true )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[273]) ).

thf(280,plain,
    ! [SV20: $i,SV22: $i,SV15: $i,SV24: $i,SV18: $i,SV26: $i] :
      ( ( ( in @ SV26 @ SV18 )
        = $false )
      | ( ( in @ SV24 @ SV15 )
        = $false )
      | ( ( SV22
         != ( ordered_pair @ SV24 @ SV26 ) )
        = $true )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[276]) ).

thf(281,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
          | ~ ( in @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) @ SV18 ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[277]) ).

thf(282,plain,
    ! [SV25: $i,SV23: $i,SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( ~ ( ~ ~ ! [SY114: $i] :
                      ~ ~ ! [SY115: $i] :
                            ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                      | ~ ( in @ SY115 @ SV18 ) )
                                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                                 != ( ordered_pair @ SY114 @ SY115 ) ) )
              | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) ) )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[279]) ).

thf(283,plain,
    ! [SV20: $i,SV18: $i,SV15: $i,SV26: $i,SV24: $i,SV22: $i] :
      ( ( ( SV22
          = ( ordered_pair @ SV24 @ SV26 ) )
        = $false )
      | ( ( in @ SV24 @ SV15 )
        = $false )
      | ( ( in @ SV26 @ SV18 )
        = $false )
      | ( ( in @ SV22 @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[280]) ).

thf(284,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( ~ ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[281]) ).

thf(285,plain,
    ! [SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ( in @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) @ SV18 ) )
        = $false )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[281]) ).

thf(286,plain,
    ! [SV23: $i,SV25: $i,SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY114: $i] :
                  ~ ~ ! [SY115: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                  | ~ ( in @ SY115 @ SV18 ) )
                            | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                             != ( ordered_pair @ SY114 @ SY115 ) ) )
          | ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[282]) ).

thf(287,plain,
    ! [SV15: $i,SV18: $i,SV20: $i] :
      ( ( ( in @ ( sK16_SY114 @ SV20 @ SV18 @ SV15 ) @ SV15 )
        = $true )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[284]) ).

thf(288,plain,
    ! [SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( in @ ( sK17_SY119 @ SV15 @ SV18 @ SV20 ) @ SV18 )
        = $true )
      | ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $true )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[285]) ).

thf(289,plain,
    ! [SV23: $i,SV25: $i,SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ~ ! [SY114: $i] :
                  ~ ~ ! [SY115: $i] :
                        ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                  | ~ ( in @ SY115 @ SV18 ) )
                            | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                             != ( ordered_pair @ SY114 @ SY115 ) ) ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[286]) ).

thf(290,plain,
    ! [SV23: $i,SV25: $i,SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( in @ ( sK13_SY103 @ SV18 @ SV15 @ SV20 ) @ SV20 )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[286]) ).

thf(291,plain,
    ! [SV23: $i,SV25: $i,SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ! [SY114: $i] :
                ~ ~ ! [SY115: $i] :
                      ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                                | ~ ( in @ SY115 @ SV18 ) )
                          | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                           != ( ordered_pair @ SY114 @ SY115 ) ) ) )
        = $true )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[289]) ).

thf(292,plain,
    ! [SV23: $i,SV25: $i,SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ! [SY114: $i] :
              ~ ~ ! [SY115: $i] :
                    ~ ~ ( ~ ~ ( ~ ( in @ SY114 @ SV15 )
                              | ~ ( in @ SY115 @ SV18 ) )
                        | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                         != ( ordered_pair @ SY114 @ SY115 ) ) ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[291]) ).

thf(293,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ~ ~ ! [SY120: $i] :
                  ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                            | ~ ( in @ SY120 @ SV18 ) )
                      | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                       != ( ordered_pair @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SY120 ) ) ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[292]) ).

thf(294,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ~ ! [SY120: $i] :
                ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                          | ~ ( in @ SY120 @ SV18 ) )
                    | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                     != ( ordered_pair @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SY120 ) ) ) )
        = $true )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[293]) ).

thf(295,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ! [SY120: $i] :
              ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                        | ~ ( in @ SY120 @ SV18 ) )
                  | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                   != ( ordered_pair @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SY120 ) ) ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[294]) ).

thf(296,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ~ ~ ( ~ ~ ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                      | ~ ( in @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) @ SV18 ) )
                | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
                 != ( ordered_pair @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) ) ) ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[295]) ).

thf(297,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                    | ~ ( in @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) @ SV18 ) )
              | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
               != ( ordered_pair @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) ) ) ) )
        = $true )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[296]) ).

thf(298,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                | ~ ( in @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) @ SV18 ) )
          | ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
           != ( ordered_pair @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) ) ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[297]) ).

thf(299,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
                | ~ ( in @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) @ SV18 ) ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[298]) ).

thf(300,plain,
    ! [SV25: $i,SV23: $i,SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
         != ( ordered_pair @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[298]) ).

thf(301,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
              | ~ ( in @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) @ SV18 ) ) )
        = $true )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[299]) ).

thf(302,plain,
    ! [SV25: $i,SV23: $i,SV20: $i,SV15: $i,SV18: $i] :
      ( ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) ) )
        = $true )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[300]) ).

thf(303,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
          | ~ ( in @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[301]) ).

thf(304,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( ~ ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[303]) ).

thf(305,plain,
    ! [SV23: $i,SV25: $i,SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( ~ ( in @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) @ SV18 ) )
        = $false )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[303]) ).

thf(306,plain,
    ! [SV15: $i,SV18: $i,SV20: $i,SV25: $i,SV23: $i] :
      ( ( ( in @ ( sK18_SY114 @ SV23 @ SV25 @ SV20 @ SV18 @ SV15 ) @ SV15 )
        = $true )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[304]) ).

thf(307,plain,
    ! [SV23: $i,SV25: $i,SV20: $i,SV18: $i,SV15: $i] :
      ( ( ( in @ ( sK19_SY120 @ SV15 @ SV18 @ SV20 @ SV25 @ SV23 ) @ SV18 )
        = $true )
      | ( ( in @ SV25 @ SV18 )
        = $false )
      | ( ( in @ SV23 @ SV15 )
        = $false )
      | ( ( ( sK13_SY103 @ SV18 @ SV15 @ SV20 )
          = ( ordered_pair @ SV23 @ SV25 ) )
        = $false )
      | ( ( SV20
          = ( cartesian_product2 @ SV15 @ SV18 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[305]) ).

thf(308,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[170,307,306,302,290,288,287,283,278,275,274,260,232,210,209,206,178,175]) ).

thf(309,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[308,166]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU166+3 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.18  % Computer : n014.cluster.edu
% 0.12/0.18  % Model    : x86_64 x86_64
% 0.12/0.18  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.18  % Memory   : 8046.5625MB
% 0.12/0.18  % OS       : Linux 6.8.0-71-generic
% 0.12/0.18  % CPULimit : 300
% 0.12/0.18  % WCLimit  : 300
% 0.12/0.18  % DateTime : Tue Oct  6 15:02:26 UTC 2026
% 0.12/0.18  % CPUTime  : 
% 0.12/0.18  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 1.67/0.48  
% 1.67/0.48   No.of.Axioms: 3
% 1.67/0.48  
% 1.67/0.48   Length.of.Defs: 0
% 1.67/0.48  
% 1.67/0.48   Contains.Choice.Funs: false
% 1.67/0.48  ............
% 1.67/0.48  
% 1.67/0.48  ********************************
% 1.67/0.48  *   All subproblems solved!    *
% 1.67/0.48  ********************************
% 1.67/0.48  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:4,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:308,loop_count:0,foatp_calls:1,translation:fof_full)
% 1.67/0.48  
% 1.67/0.48  %**** Beginning of derivation protocol ****
% 1.67/0.48  % SZS output start CNFRefutation
% See solution above
% 1.67/0.48  
% 1.67/0.48  %**** End of derivation protocol ****
% 1.67/0.48  %**** no. of clauses in derivation: 303 ****
% 1.67/0.48  %**** clause counter: 308 ****
% 1.67/0.48  
% 1.67/0.48  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:4,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:308,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------