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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEU154+1 : TPTP v9.3.1. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p

% Computer : n019.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 10:43:06 AM UTC 2026

% Result   : Theorem 2.87s 0.68s
% Output   : CNFRefutation 2.87s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :   18
% Syntax   : Number of formulae    :  242 ( 120 unt;   0 typ;   0 def)
%            Number of atoms       : 1658 ( 653 equ;   0 cnn)
%            Maximal formula atoms :    4 (   6 avg)
%            Number of connectives : 3176 ( 755   ~; 547   |;   6   &;1833   @)
%                                         (  21 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   17 (  14 usr;   7 con; 0-3 aty)
%            Number of variables   :  568 (   0   ^; 562   !;   6   ?; 568   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_disjoint,type,
    disjoint: $i > $i > $o ).

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

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

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

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

thf(tp_sK2_SY29,type,
    sK2_SY29: $i ).

thf(tp_sK3_SX0,type,
    sK3_SX0: $i ).

thf(tp_sK4_SX0,type,
    sK4_SX0: $i ).

thf(tp_sK5_SY48,type,
    sK5_SY48: $i > $i > $i ).

thf(tp_sK6_SY50,type,
    sK6_SY50: $i > $i > $i ).

thf(tp_sK7_SY55,type,
    sK7_SY55: $i > $i > $i > $i ).

thf(tp_set_intersection2,type,
    set_intersection2: $i > $i > $i ).

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

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

thf(1,axiom,
    ! [A: $i] : ( subset @ empty_set @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(2,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
     => ( disjoint @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

thf(3,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(4,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(5,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(6,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

thf(7,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(8,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_xboole_0) ).

thf(9,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(10,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_tarski) ).

thf(11,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
    <=> ( ( set_intersection2 @ A @ B )
        = empty_set ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d7_xboole_0) ).

thf(12,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_intersection2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            & ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_xboole_0) ).

thf(13,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d3_tarski) ).

thf(14,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( singleton @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( C = A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_tarski) ).

thf(15,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(16,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ B )
      = ( set_intersection2 @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

thf(17,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(18,conjecture,
    ! [A: $i,B: $i] :
      ( ~ ( in @ A @ B )
     => ( disjoint @ ( singleton @ A ) @ B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l28_zfmisc_1) ).

thf(19,negated_conjecture,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
         => ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[18]) ).

thf(20,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
         => ( disjoint @ ( singleton @ A ) @ B ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(21,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(22,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
         => ( disjoint @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(23,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(24,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(25,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(26,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(27,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(28,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[8]) ).

thf(29,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[9]) ).

thf(30,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[10]) ).

thf(31,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(32,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_intersection2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(33,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(34,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(35,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(36,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(37,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(38,plain,
    ( ( ! [SY29: $i] :
          ( ~ ( in @ sK1_A @ SY29 )
         => ( disjoint @ ( singleton @ sK1_A ) @ SY29 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[20]) ).

thf(39,plain,
    ( ( ~ ( in @ sK1_A @ sK2_SY29 )
     => ( disjoint @ ( singleton @ sK1_A ) @ sK2_SY29 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[38]) ).

thf(40,plain,
    ( ( ~ ( in @ sK1_A @ sK2_SY29 ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[39]) ).

thf(41,plain,
    ( ( disjoint @ ( singleton @ sK1_A ) @ sK2_SY29 )
    = $false ),
    inference(standard_cnf,[status(thm)],[39]) ).

thf(42,plain,
    ( ( ~ ( disjoint @ ( singleton @ sK1_A ) @ sK2_SY29 ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[41]) ).

thf(43,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[37]) ).

thf(44,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[36]) ).

thf(45,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[35]) ).

thf(46,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[34]) ).

thf(47,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[33]) ).

thf(48,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_intersection2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[32]) ).

thf(49,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[31]) ).

thf(50,plain,
    $true = $true,
    inference(copy,[status(thm)],[30]) ).

thf(51,plain,
    $true = $true,
    inference(copy,[status(thm)],[29]) ).

thf(52,plain,
    $true = $true,
    inference(copy,[status(thm)],[28]) ).

thf(53,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[27]) ).

thf(54,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[26]) ).

thf(55,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(copy,[status(thm)],[25]) ).

thf(56,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(copy,[status(thm)],[24]) ).

thf(57,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[23]) ).

thf(58,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
         => ( disjoint @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[22]) ).

thf(59,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(copy,[status(thm)],[21]) ).

thf(60,plain,
    ( ( ~ ( in @ sK1_A @ sK2_SY29 ) )
    = $true ),
    inference(copy,[status(thm)],[40]) ).

thf(61,plain,
    ( ( ~ ( disjoint @ ( singleton @ sK1_A ) @ sK2_SY29 ) )
    = $true ),
    inference(copy,[status(thm)],[42]) ).

thf(62,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( in @ SX0 @ SX1 )
          | ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[43]) ).

thf(63,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( SX1
                 != ( singleton @ SX0 ) )
                | ! [SX2: $i] :
                    ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                          | ( SX2 = SX0 ) )
                      | ~ ( ( SX2 != SX0 )
                          | ( in @ SX2 @ SX1 ) ) ) )
            | ~ ( ~ ! [SX2: $i] :
                      ~ ( ~ ( ~ ( in @ SX2 @ SX1 )
                            | ( SX2 = SX0 ) )
                        | ~ ( ( SX2 != SX0 )
                            | ( in @ SX2 @ SX1 ) ) )
                | ( SX1
                  = ( singleton @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[46]) ).

thf(64,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)],[47]) ).

thf(65,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ( SX0 != SX1 )
                | ~ ( ~ ( subset @ SX0 @ SX1 )
                    | ~ ( subset @ SX1 @ SX0 ) ) )
            | ~ ( ~ ~ ( ~ ( subset @ SX0 @ SX1 )
                      | ~ ( subset @ SX1 @ SX0 ) )
                | ( SX0 = SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[45]) ).

thf(66,plain,
    ( ( ! [SX0: $i,SX1: $i,SX2: $i] :
          ~ ( ~ ( ( SX2
                 != ( set_intersection2 @ SX0 @ SX1 ) )
                | ! [SX3: $i] :
                    ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                          | ~ ( ~ ( in @ SX3 @ SX0 )
                              | ~ ( in @ SX3 @ SX1 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) )
                          | ( in @ SX3 @ SX2 ) ) ) )
            | ~ ( ~ ! [SX3: $i] :
                      ~ ( ~ ( ~ ( in @ SX3 @ SX2 )
                            | ~ ( ~ ( in @ SX3 @ SX0 )
                                | ~ ( in @ SX3 @ SX1 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SX3 @ SX0 )
                                  | ~ ( in @ SX3 @ SX1 ) )
                            | ( in @ SX3 @ SX2 ) ) )
                | ( SX2
                  = ( set_intersection2 @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[48]) ).

thf(67,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( disjoint @ SX0 @ SX1 )
          | ( disjoint @ SX1 @ SX0 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[58]) ).

thf(68,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ~ ( empty @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[56]) ).

thf(69,plain,
    ( ( ~ ! [SX0: $i] :
            ~ ( empty @ SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[55]) ).

thf(70,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ~ ( ~ ( ~ ( disjoint @ SX0 @ SX1 )
                | ( ( set_intersection2 @ SX0 @ SX1 )
                  = empty_set ) )
            | ~ ( ( ( set_intersection2 @ SX0 @ SX1 )
                 != empty_set )
                | ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[49]) ).

thf(71,plain,
    ! [SV1: $i] :
      ( ( ! [SY30: $i] :
            ( ( set_intersection2 @ SV1 @ SY30 )
            = ( set_intersection2 @ SY30 @ SV1 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[44]) ).

thf(72,plain,
    ! [SV2: $i] :
      ( ( ! [SY31: $i] :
            ( ( set_intersection2 @ SV2 @ SV2 )
            = SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[54]) ).

thf(73,plain,
    ! [SV3: $i] :
      ( ( ! [SY32: $i] : ( subset @ SV3 @ SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[57]) ).

thf(74,plain,
    ! [SV4: $i] :
      ( ( subset @ empty_set @ SV4 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[59]) ).

thf(75,plain,
    ( ( in @ sK1_A @ sK2_SY29 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[60]) ).

thf(76,plain,
    ( ( disjoint @ ( singleton @ sK1_A ) @ sK2_SY29 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[61]) ).

thf(77,plain,
    ! [SV5: $i] :
      ( ( ! [SY33: $i] :
            ( ~ ( in @ SV5 @ SY33 )
            | ~ ( in @ SY33 @ SV5 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[62]) ).

thf(78,plain,
    ! [SV6: $i] :
      ( ( ! [SY34: $i] :
            ~ ( ~ ( ( SY34
                   != ( singleton @ SV6 ) )
                  | ! [SY35: $i] :
                      ~ ( ~ ( ~ ( in @ SY35 @ SY34 )
                            | ( SY35 = SV6 ) )
                        | ~ ( ( SY35 != SV6 )
                            | ( in @ SY35 @ SY34 ) ) ) )
              | ~ ( ~ ! [SY36: $i] :
                        ~ ( ~ ( ~ ( in @ SY36 @ SY34 )
                              | ( SY36 = SV6 ) )
                          | ~ ( ( SY36 != SV6 )
                              | ( in @ SY36 @ SY34 ) ) )
                  | ( SY34
                    = ( singleton @ SV6 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[63]) ).

thf(79,plain,
    ! [SV7: $i] :
      ( ( ! [SY37: $i] :
            ~ ( ~ ( ~ ( subset @ SV7 @ SY37 )
                  | ! [SY38: $i] :
                      ( ~ ( in @ SY38 @ SV7 )
                      | ( in @ SY38 @ SY37 ) ) )
              | ~ ( ~ ! [SY39: $i] :
                        ( ~ ( in @ SY39 @ SV7 )
                        | ( in @ SY39 @ SY37 ) )
                  | ( subset @ SV7 @ SY37 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[64]) ).

thf(80,plain,
    ! [SV8: $i] :
      ( ( ! [SY40: $i] :
            ~ ( ~ ( ( SV8 != SY40 )
                  | ~ ( ~ ( subset @ SV8 @ SY40 )
                      | ~ ( subset @ SY40 @ SV8 ) ) )
              | ~ ( ~ ~ ( ~ ( subset @ SV8 @ SY40 )
                        | ~ ( subset @ SY40 @ SV8 ) )
                  | ( SV8 = SY40 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[65]) ).

thf(81,plain,
    ! [SV9: $i] :
      ( ( ! [SY41: $i,SY42: $i] :
            ~ ( ~ ( ( SY42
                   != ( set_intersection2 @ SV9 @ SY41 ) )
                  | ! [SY43: $i] :
                      ~ ( ~ ( ~ ( in @ SY43 @ SY42 )
                            | ~ ( ~ ( in @ SY43 @ SV9 )
                                | ~ ( in @ SY43 @ SY41 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY43 @ SV9 )
                                  | ~ ( in @ SY43 @ SY41 ) )
                            | ( in @ SY43 @ SY42 ) ) ) )
              | ~ ( ~ ! [SY44: $i] :
                        ~ ( ~ ( ~ ( in @ SY44 @ SY42 )
                              | ~ ( ~ ( in @ SY44 @ SV9 )
                                  | ~ ( in @ SY44 @ SY41 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY44 @ SV9 )
                                    | ~ ( in @ SY44 @ SY41 ) )
                              | ( in @ SY44 @ SY42 ) ) )
                  | ( SY42
                    = ( set_intersection2 @ SV9 @ SY41 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[66]) ).

thf(82,plain,
    ! [SV10: $i] :
      ( ( ! [SY45: $i] :
            ( ~ ( disjoint @ SV10 @ SY45 )
            | ( disjoint @ SY45 @ SV10 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[67]) ).

thf(83,plain,
    ( ( ! [SX0: $i] :
          ~ ~ ( empty @ SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[68]) ).

thf(84,plain,
    ( ( ! [SX0: $i] :
          ~ ( empty @ SX0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[69]) ).

thf(85,plain,
    ! [SV11: $i] :
      ( ( ! [SY46: $i] :
            ~ ( ~ ( ~ ( disjoint @ SV11 @ SY46 )
                  | ( ( set_intersection2 @ SV11 @ SY46 )
                    = empty_set ) )
              | ~ ( ( ( set_intersection2 @ SV11 @ SY46 )
                   != empty_set )
                  | ( disjoint @ SV11 @ SY46 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[70]) ).

thf(86,plain,
    ! [SV12: $i,SV1: $i] :
      ( ( ( set_intersection2 @ SV1 @ SV12 )
        = ( set_intersection2 @ SV12 @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[71]) ).

thf(87,plain,
    ! [SV2: $i] :
      ( ( ( set_intersection2 @ SV2 @ SV2 )
        = SV2 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[72]) ).

thf(88,plain,
    ! [SV3: $i] :
      ( ( subset @ SV3 @ SV3 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[73]) ).

thf(89,plain,
    ! [SV15: $i,SV5: $i] :
      ( ( ~ ( in @ SV5 @ SV15 )
        | ~ ( in @ SV15 @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[77]) ).

thf(90,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ~ ( ~ ( ( SV16
                 != ( singleton @ SV6 ) )
                | ! [SY47: $i] :
                    ~ ( ~ ( ~ ( in @ SY47 @ SV16 )
                          | ( SY47 = SV6 ) )
                      | ~ ( ( SY47 != SV6 )
                          | ( in @ SY47 @ SV16 ) ) ) )
            | ~ ( ~ ! [SY48: $i] :
                      ~ ( ~ ( ~ ( in @ SY48 @ SV16 )
                            | ( SY48 = SV6 ) )
                        | ~ ( ( SY48 != SV6 )
                            | ( in @ SY48 @ SV16 ) ) )
                | ( SV16
                  = ( singleton @ SV6 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[78]) ).

thf(91,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ~ ( ~ ( ~ ( subset @ SV7 @ SV17 )
                | ! [SY49: $i] :
                    ( ~ ( in @ SY49 @ SV7 )
                    | ( in @ SY49 @ SV17 ) ) )
            | ~ ( ~ ! [SY50: $i] :
                      ( ~ ( in @ SY50 @ SV7 )
                      | ( in @ SY50 @ SV17 ) )
                | ( subset @ SV7 @ SV17 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[79]) ).

thf(92,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ~ ( ~ ( ( SV8 != SV18 )
                | ~ ( ~ ( subset @ SV8 @ SV18 )
                    | ~ ( subset @ SV18 @ SV8 ) ) )
            | ~ ( ~ ~ ( ~ ( subset @ SV8 @ SV18 )
                      | ~ ( subset @ SV18 @ SV8 ) )
                | ( SV8 = SV18 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[80]) ).

thf(93,plain,
    ! [SV19: $i,SV9: $i] :
      ( ( ! [SY51: $i] :
            ~ ( ~ ( ( SY51
                   != ( set_intersection2 @ SV9 @ SV19 ) )
                  | ! [SY52: $i] :
                      ~ ( ~ ( ~ ( in @ SY52 @ SY51 )
                            | ~ ( ~ ( in @ SY52 @ SV9 )
                                | ~ ( in @ SY52 @ SV19 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY52 @ SV9 )
                                  | ~ ( in @ SY52 @ SV19 ) )
                            | ( in @ SY52 @ SY51 ) ) ) )
              | ~ ( ~ ! [SY53: $i] :
                        ~ ( ~ ( ~ ( in @ SY53 @ SY51 )
                              | ~ ( ~ ( in @ SY53 @ SV9 )
                                  | ~ ( in @ SY53 @ SV19 ) ) )
                          | ~ ( ~ ~ ( ~ ( in @ SY53 @ SV9 )
                                    | ~ ( in @ SY53 @ SV19 ) )
                              | ( in @ SY53 @ SY51 ) ) )
                  | ( SY51
                    = ( set_intersection2 @ SV9 @ SV19 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[81]) ).

thf(94,plain,
    ! [SV20: $i,SV10: $i] :
      ( ( ~ ( disjoint @ SV10 @ SV20 )
        | ( disjoint @ SV20 @ SV10 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[82]) ).

thf(95,plain,
    ( ( ~ ~ ( empty @ sK3_SX0 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[83]) ).

thf(96,plain,
    ( ( ~ ( empty @ sK4_SX0 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[84]) ).

thf(97,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ~ ( ~ ( ~ ( disjoint @ SV11 @ SV21 )
                | ( ( set_intersection2 @ SV11 @ SV21 )
                  = empty_set ) )
            | ~ ( ( ( set_intersection2 @ SV11 @ SV21 )
                 != empty_set )
                | ( disjoint @ SV11 @ SV21 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[85]) ).

thf(98,plain,
    ! [SV15: $i,SV5: $i] :
      ( ( ( ~ ( in @ SV5 @ SV15 ) )
        = $true )
      | ( ( ~ ( in @ SV15 @ SV5 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[89]) ).

thf(99,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ~ ( ( SV16
             != ( singleton @ SV6 ) )
            | ! [SY47: $i] :
                ~ ( ~ ( ~ ( in @ SY47 @ SV16 )
                      | ( SY47 = SV6 ) )
                  | ~ ( ( SY47 != SV6 )
                      | ( in @ SY47 @ SV16 ) ) ) )
        | ~ ( ~ ! [SY48: $i] :
                  ~ ( ~ ( ~ ( in @ SY48 @ SV16 )
                        | ( SY48 = SV6 ) )
                    | ~ ( ( SY48 != SV6 )
                        | ( in @ SY48 @ SV16 ) ) )
            | ( SV16
              = ( singleton @ SV6 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[90]) ).

thf(100,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ~ ( ~ ( subset @ SV7 @ SV17 )
            | ! [SY49: $i] :
                ( ~ ( in @ SY49 @ SV7 )
                | ( in @ SY49 @ SV17 ) ) )
        | ~ ( ~ ! [SY50: $i] :
                  ( ~ ( in @ SY50 @ SV7 )
                  | ( in @ SY50 @ SV17 ) )
            | ( subset @ SV7 @ SV17 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[91]) ).

thf(101,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ~ ( ( SV8 != SV18 )
            | ~ ( ~ ( subset @ SV8 @ SV18 )
                | ~ ( subset @ SV18 @ SV8 ) ) )
        | ~ ( ~ ~ ( ~ ( subset @ SV8 @ SV18 )
                  | ~ ( subset @ SV18 @ SV8 ) )
            | ( SV8 = SV18 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[92]) ).

thf(102,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ~ ( ~ ( ( SV22
                 != ( set_intersection2 @ SV9 @ SV19 ) )
                | ! [SY54: $i] :
                    ~ ( ~ ( ~ ( in @ SY54 @ SV22 )
                          | ~ ( ~ ( in @ SY54 @ SV9 )
                              | ~ ( in @ SY54 @ SV19 ) ) )
                      | ~ ( ~ ~ ( ~ ( in @ SY54 @ SV9 )
                                | ~ ( in @ SY54 @ SV19 ) )
                          | ( in @ SY54 @ SV22 ) ) ) )
            | ~ ( ~ ! [SY55: $i] :
                      ~ ( ~ ( ~ ( in @ SY55 @ SV22 )
                            | ~ ( ~ ( in @ SY55 @ SV9 )
                                | ~ ( in @ SY55 @ SV19 ) ) )
                        | ~ ( ~ ~ ( ~ ( in @ SY55 @ SV9 )
                                  | ~ ( in @ SY55 @ SV19 ) )
                            | ( in @ SY55 @ SV22 ) ) )
                | ( SV22
                  = ( set_intersection2 @ SV9 @ SV19 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[93]) ).

thf(103,plain,
    ! [SV20: $i,SV10: $i] :
      ( ( ( ~ ( disjoint @ SV10 @ SV20 ) )
        = $true )
      | ( ( disjoint @ SV20 @ SV10 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[94]) ).

thf(104,plain,
    ( ( ~ ( empty @ sK3_SX0 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[95]) ).

thf(105,plain,
    ( ( empty @ sK4_SX0 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[96]) ).

thf(106,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ~ ( ~ ( disjoint @ SV11 @ SV21 )
            | ( ( set_intersection2 @ SV11 @ SV21 )
              = empty_set ) )
        | ~ ( ( ( set_intersection2 @ SV11 @ SV21 )
             != empty_set )
            | ( disjoint @ SV11 @ SV21 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[97]) ).

thf(107,plain,
    ! [SV15: $i,SV5: $i] :
      ( ( ( in @ SV5 @ SV15 )
        = $false )
      | ( ( ~ ( in @ SV15 @ SV5 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[98]) ).

thf(108,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ~ ( ( SV16
             != ( singleton @ SV6 ) )
            | ! [SY47: $i] :
                ~ ( ~ ( ~ ( in @ SY47 @ SV16 )
                      | ( SY47 = SV6 ) )
                  | ~ ( ( SY47 != SV6 )
                      | ( in @ SY47 @ SV16 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[99]) ).

thf(109,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ~ ( ~ ! [SY48: $i] :
                  ~ ( ~ ( ~ ( in @ SY48 @ SV16 )
                        | ( SY48 = SV6 ) )
                    | ~ ( ( SY48 != SV6 )
                        | ( in @ SY48 @ SV16 ) ) )
            | ( SV16
              = ( singleton @ SV6 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[99]) ).

thf(110,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ~ ( ~ ( subset @ SV7 @ SV17 )
            | ! [SY49: $i] :
                ( ~ ( in @ SY49 @ SV7 )
                | ( in @ SY49 @ SV17 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(111,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ~ ( ~ ! [SY50: $i] :
                  ( ~ ( in @ SY50 @ SV7 )
                  | ( in @ SY50 @ SV17 ) )
            | ( subset @ SV7 @ SV17 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(112,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ~ ( ( SV8 != SV18 )
            | ~ ( ~ ( subset @ SV8 @ SV18 )
                | ~ ( subset @ SV18 @ SV8 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[101]) ).

thf(113,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ~ ( ~ ~ ( ~ ( subset @ SV8 @ SV18 )
                  | ~ ( subset @ SV18 @ SV8 ) )
            | ( SV8 = SV18 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[101]) ).

thf(114,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ~ ( ( SV22
             != ( set_intersection2 @ SV9 @ SV19 ) )
            | ! [SY54: $i] :
                ~ ( ~ ( ~ ( in @ SY54 @ SV22 )
                      | ~ ( ~ ( in @ SY54 @ SV9 )
                          | ~ ( in @ SY54 @ SV19 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY54 @ SV9 )
                            | ~ ( in @ SY54 @ SV19 ) )
                      | ( in @ SY54 @ SV22 ) ) ) )
        | ~ ( ~ ! [SY55: $i] :
                  ~ ( ~ ( ~ ( in @ SY55 @ SV22 )
                        | ~ ( ~ ( in @ SY55 @ SV9 )
                            | ~ ( in @ SY55 @ SV19 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY55 @ SV9 )
                              | ~ ( in @ SY55 @ SV19 ) )
                        | ( in @ SY55 @ SV22 ) ) )
            | ( SV22
              = ( set_intersection2 @ SV9 @ SV19 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[102]) ).

thf(115,plain,
    ! [SV20: $i,SV10: $i] :
      ( ( ( disjoint @ SV10 @ SV20 )
        = $false )
      | ( ( disjoint @ SV20 @ SV10 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[103]) ).

thf(116,plain,
    ( ( empty @ sK3_SX0 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[104]) ).

thf(117,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ~ ( ~ ( disjoint @ SV11 @ SV21 )
            | ( ( set_intersection2 @ SV11 @ SV21 )
              = empty_set ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[106]) ).

thf(118,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ~ ( ( ( set_intersection2 @ SV11 @ SV21 )
             != empty_set )
            | ( disjoint @ SV11 @ SV21 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[106]) ).

thf(119,plain,
    ! [SV5: $i,SV15: $i] :
      ( ( ( in @ SV15 @ SV5 )
        = $false )
      | ( ( in @ SV5 @ SV15 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[107]) ).

thf(120,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ( SV16
         != ( singleton @ SV6 ) )
        | ! [SY47: $i] :
            ~ ( ~ ( ~ ( in @ SY47 @ SV16 )
                  | ( SY47 = SV6 ) )
              | ~ ( ( SY47 != SV6 )
                  | ( in @ SY47 @ SV16 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[108]) ).

thf(121,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ~ ! [SY48: $i] :
              ~ ( ~ ( ~ ( in @ SY48 @ SV16 )
                    | ( SY48 = SV6 ) )
                | ~ ( ( SY48 != SV6 )
                    | ( in @ SY48 @ SV16 ) ) )
        | ( SV16
          = ( singleton @ SV6 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[109]) ).

thf(122,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ~ ( subset @ SV7 @ SV17 )
        | ! [SY49: $i] :
            ( ~ ( in @ SY49 @ SV7 )
            | ( in @ SY49 @ SV17 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[110]) ).

thf(123,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ~ ! [SY50: $i] :
              ( ~ ( in @ SY50 @ SV7 )
              | ( in @ SY50 @ SV17 ) )
        | ( subset @ SV7 @ SV17 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[111]) ).

thf(124,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( SV8 != SV18 )
        | ~ ( ~ ( subset @ SV8 @ SV18 )
            | ~ ( subset @ SV18 @ SV8 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[112]) ).

thf(125,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ~ ~ ( ~ ( subset @ SV8 @ SV18 )
              | ~ ( subset @ SV18 @ SV8 ) )
        | ( SV8 = SV18 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[113]) ).

thf(126,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ~ ( ( SV22
             != ( set_intersection2 @ SV9 @ SV19 ) )
            | ! [SY54: $i] :
                ~ ( ~ ( ~ ( in @ SY54 @ SV22 )
                      | ~ ( ~ ( in @ SY54 @ SV9 )
                          | ~ ( in @ SY54 @ SV19 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY54 @ SV9 )
                            | ~ ( in @ SY54 @ SV19 ) )
                      | ( in @ SY54 @ SV22 ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[114]) ).

thf(127,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ~ ( ~ ! [SY55: $i] :
                  ~ ( ~ ( ~ ( in @ SY55 @ SV22 )
                        | ~ ( ~ ( in @ SY55 @ SV9 )
                            | ~ ( in @ SY55 @ SV19 ) ) )
                    | ~ ( ~ ~ ( ~ ( in @ SY55 @ SV9 )
                              | ~ ( in @ SY55 @ SV19 ) )
                        | ( in @ SY55 @ SV22 ) ) )
            | ( SV22
              = ( set_intersection2 @ SV9 @ SV19 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[114]) ).

thf(128,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ~ ( disjoint @ SV11 @ SV21 )
        | ( ( set_intersection2 @ SV11 @ SV21 )
          = empty_set ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[117]) ).

thf(129,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ( ( set_intersection2 @ SV11 @ SV21 )
         != empty_set )
        | ( disjoint @ SV11 @ SV21 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[118]) ).

thf(130,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ( SV16
         != ( singleton @ SV6 ) )
        = $true )
      | ( ( ! [SY47: $i] :
              ~ ( ~ ( ~ ( in @ SY47 @ SV16 )
                    | ( SY47 = SV6 ) )
                | ~ ( ( SY47 != SV6 )
                    | ( in @ SY47 @ SV16 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[120]) ).

thf(131,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ( ~ ! [SY48: $i] :
                ~ ( ~ ( ~ ( in @ SY48 @ SV16 )
                      | ( SY48 = SV6 ) )
                  | ~ ( ( SY48 != SV6 )
                      | ( in @ SY48 @ SV16 ) ) ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[121]) ).

thf(132,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ( ~ ( subset @ SV7 @ SV17 ) )
        = $true )
      | ( ( ! [SY49: $i] :
              ( ~ ( in @ SY49 @ SV7 )
              | ( in @ SY49 @ SV17 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[122]) ).

thf(133,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ( ~ ! [SY50: $i] :
                ( ~ ( in @ SY50 @ SV7 )
                | ( in @ SY50 @ SV17 ) ) )
        = $true )
      | ( ( subset @ SV7 @ SV17 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[123]) ).

thf(134,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( SV8 != SV18 )
        = $true )
      | ( ( ~ ( ~ ( subset @ SV8 @ SV18 )
              | ~ ( subset @ SV18 @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[124]) ).

thf(135,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( ~ ~ ( ~ ( subset @ SV8 @ SV18 )
                | ~ ( subset @ SV18 @ SV8 ) ) )
        = $true )
      | ( ( SV8 = SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[125]) ).

thf(136,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ( SV22
         != ( set_intersection2 @ SV9 @ SV19 ) )
        | ! [SY54: $i] :
            ~ ( ~ ( ~ ( in @ SY54 @ SV22 )
                  | ~ ( ~ ( in @ SY54 @ SV9 )
                      | ~ ( in @ SY54 @ SV19 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SY54 @ SV9 )
                        | ~ ( in @ SY54 @ SV19 ) )
                  | ( in @ SY54 @ SV22 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[126]) ).

thf(137,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ~ ! [SY55: $i] :
              ~ ( ~ ( ~ ( in @ SY55 @ SV22 )
                    | ~ ( ~ ( in @ SY55 @ SV9 )
                        | ~ ( in @ SY55 @ SV19 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY55 @ SV9 )
                          | ~ ( in @ SY55 @ SV19 ) )
                    | ( in @ SY55 @ SV22 ) ) )
        | ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[127]) ).

thf(138,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ( ~ ( disjoint @ SV11 @ SV21 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV11 @ SV21 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[128]) ).

thf(139,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ( ( set_intersection2 @ SV11 @ SV21 )
         != empty_set )
        = $true )
      | ( ( disjoint @ SV11 @ SV21 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[129]) ).

thf(140,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ( SV16
          = ( singleton @ SV6 ) )
        = $false )
      | ( ( ! [SY47: $i] :
              ~ ( ~ ( ~ ( in @ SY47 @ SV16 )
                    | ( SY47 = SV6 ) )
                | ~ ( ( SY47 != SV6 )
                    | ( in @ SY47 @ SV16 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[130]) ).

thf(141,plain,
    ! [SV6: $i,SV16: $i] :
      ( ( ( ! [SY48: $i] :
              ~ ( ~ ( ~ ( in @ SY48 @ SV16 )
                    | ( SY48 = SV6 ) )
                | ~ ( ( SY48 != SV6 )
                    | ( in @ SY48 @ SV16 ) ) ) )
        = $false )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[131]) ).

thf(142,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ( subset @ SV7 @ SV17 )
        = $false )
      | ( ( ! [SY49: $i] :
              ( ~ ( in @ SY49 @ SV7 )
              | ( in @ SY49 @ SV17 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[132]) ).

thf(143,plain,
    ! [SV17: $i,SV7: $i] :
      ( ( ( ! [SY50: $i] :
              ( ~ ( in @ SY50 @ SV7 )
              | ( in @ SY50 @ SV17 ) ) )
        = $false )
      | ( ( subset @ SV7 @ SV17 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[133]) ).

thf(144,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( SV8 = SV18 )
        = $false )
      | ( ( ~ ( ~ ( subset @ SV8 @ SV18 )
              | ~ ( subset @ SV18 @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[134]) ).

thf(145,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( ~ ( ~ ( subset @ SV8 @ SV18 )
              | ~ ( subset @ SV18 @ SV8 ) ) )
        = $false )
      | ( ( SV8 = SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[135]) ).

thf(146,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ( SV22
         != ( set_intersection2 @ SV9 @ SV19 ) )
        = $true )
      | ( ( ! [SY54: $i] :
              ~ ( ~ ( ~ ( in @ SY54 @ SV22 )
                    | ~ ( ~ ( in @ SY54 @ SV9 )
                        | ~ ( in @ SY54 @ SV19 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY54 @ SV9 )
                          | ~ ( in @ SY54 @ SV19 ) )
                    | ( in @ SY54 @ SV22 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[136]) ).

thf(147,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ( ~ ! [SY55: $i] :
                ~ ( ~ ( ~ ( in @ SY55 @ SV22 )
                      | ~ ( ~ ( in @ SY55 @ SV9 )
                          | ~ ( in @ SY55 @ SV19 ) ) )
                  | ~ ( ~ ~ ( ~ ( in @ SY55 @ SV9 )
                            | ~ ( in @ SY55 @ SV19 ) )
                      | ( in @ SY55 @ SV22 ) ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[137]) ).

thf(148,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ( disjoint @ SV11 @ SV21 )
        = $false )
      | ( ( ( set_intersection2 @ SV11 @ SV21 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[138]) ).

thf(149,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ( ( set_intersection2 @ SV11 @ SV21 )
          = empty_set )
        = $false )
      | ( ( disjoint @ SV11 @ SV21 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[139]) ).

thf(150,plain,
    ! [SV6: $i,SV16: $i,SV23: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV23 @ SV16 )
                  | ( SV23 = SV6 ) )
              | ~ ( ( SV23 != SV6 )
                  | ( in @ SV23 @ SV16 ) ) ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[140]) ).

thf(151,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
                  | ( ( sK5_SY48 @ SV6 @ SV16 )
                    = SV6 ) )
              | ~ ( ( ( sK5_SY48 @ SV6 @ SV16 )
                   != SV6 )
                  | ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) ) ) )
        = $false )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[141]) ).

thf(152,plain,
    ! [SV17: $i,SV7: $i,SV24: $i] :
      ( ( ( ~ ( in @ SV24 @ SV7 )
          | ( in @ SV24 @ SV17 ) )
        = $true )
      | ( ( subset @ SV7 @ SV17 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[142]) ).

thf(153,plain,
    ! [SV7: $i,SV17: $i] :
      ( ( ( ~ ( in @ ( sK6_SY50 @ SV17 @ SV7 ) @ SV7 )
          | ( in @ ( sK6_SY50 @ SV17 @ SV7 ) @ SV17 ) )
        = $false )
      | ( ( subset @ SV7 @ SV17 )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[143]) ).

thf(154,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( ~ ( subset @ SV8 @ SV18 )
          | ~ ( subset @ SV18 @ SV8 ) )
        = $false )
      | ( ( SV8 = SV18 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[144]) ).

thf(155,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( ~ ( subset @ SV8 @ SV18 )
          | ~ ( subset @ SV18 @ SV8 ) )
        = $true )
      | ( ( SV8 = SV18 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[145]) ).

thf(156,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false )
      | ( ( ! [SY54: $i] :
              ~ ( ~ ( ~ ( in @ SY54 @ SV22 )
                    | ~ ( ~ ( in @ SY54 @ SV9 )
                        | ~ ( in @ SY54 @ SV19 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY54 @ SV9 )
                          | ~ ( in @ SY54 @ SV19 ) )
                    | ( in @ SY54 @ SV22 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[146]) ).

thf(157,plain,
    ! [SV19: $i,SV9: $i,SV22: $i] :
      ( ( ( ! [SY55: $i] :
              ~ ( ~ ( ~ ( in @ SY55 @ SV22 )
                    | ~ ( ~ ( in @ SY55 @ SV9 )
                        | ~ ( in @ SY55 @ SV19 ) ) )
                | ~ ( ~ ~ ( ~ ( in @ SY55 @ SV9 )
                          | ~ ( in @ SY55 @ SV19 ) )
                    | ( in @ SY55 @ SV22 ) ) ) )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[147]) ).

thf(158,plain,
    ! [SV6: $i,SV16: $i,SV23: $i] :
      ( ( ( ~ ( ~ ( in @ SV23 @ SV16 )
              | ( SV23 = SV6 ) )
          | ~ ( ( SV23 != SV6 )
              | ( in @ SV23 @ SV16 ) ) )
        = $false )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[150]) ).

thf(159,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
              | ( ( sK5_SY48 @ SV6 @ SV16 )
                = SV6 ) )
          | ~ ( ( ( sK5_SY48 @ SV6 @ SV16 )
               != SV6 )
              | ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[151]) ).

thf(160,plain,
    ! [SV17: $i,SV7: $i,SV24: $i] :
      ( ( ( ~ ( in @ SV24 @ SV7 ) )
        = $true )
      | ( ( in @ SV24 @ SV17 )
        = $true )
      | ( ( subset @ SV7 @ SV17 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[152]) ).

thf(161,plain,
    ! [SV7: $i,SV17: $i] :
      ( ( ( ~ ( in @ ( sK6_SY50 @ SV17 @ SV7 ) @ SV7 ) )
        = $false )
      | ( ( subset @ SV7 @ SV17 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[153]) ).

thf(162,plain,
    ! [SV7: $i,SV17: $i] :
      ( ( ( in @ ( sK6_SY50 @ SV17 @ SV7 ) @ SV17 )
        = $false )
      | ( ( subset @ SV7 @ SV17 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[153]) ).

thf(163,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( ~ ( subset @ SV8 @ SV18 ) )
        = $false )
      | ( ( SV8 = SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[154]) ).

thf(164,plain,
    ! [SV8: $i,SV18: $i] :
      ( ( ( ~ ( subset @ SV18 @ SV8 ) )
        = $false )
      | ( ( SV8 = SV18 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[154]) ).

thf(165,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( ~ ( subset @ SV8 @ SV18 ) )
        = $true )
      | ( ( ~ ( subset @ SV18 @ SV8 ) )
        = $true )
      | ( ( SV8 = SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[155]) ).

thf(166,plain,
    ! [SV19: $i,SV9: $i,SV22: $i,SV25: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ SV25 @ SV22 )
                  | ~ ( ~ ( in @ SV25 @ SV9 )
                      | ~ ( in @ SV25 @ SV19 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ SV25 @ SV9 )
                        | ~ ( in @ SV25 @ SV19 ) )
                  | ( in @ SV25 @ SV22 ) ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[156]) ).

thf(167,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
                  | ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                      | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) ) )
              | ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                        | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
                  | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) ) )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[157]) ).

thf(168,plain,
    ! [SV6: $i,SV16: $i,SV23: $i] :
      ( ( ( ~ ( ~ ( in @ SV23 @ SV16 )
              | ( SV23 = SV6 ) ) )
        = $false )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[158]) ).

thf(169,plain,
    ! [SV16: $i,SV6: $i,SV23: $i] :
      ( ( ( ~ ( ( SV23 != SV6 )
              | ( in @ SV23 @ SV16 ) ) )
        = $false )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[158]) ).

thf(170,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
              | ( ( sK5_SY48 @ SV6 @ SV16 )
                = SV6 ) ) )
        = $true )
      | ( ( ~ ( ( ( sK5_SY48 @ SV6 @ SV16 )
               != SV6 )
              | ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[159]) ).

thf(171,plain,
    ! [SV17: $i,SV7: $i,SV24: $i] :
      ( ( ( in @ SV24 @ SV7 )
        = $false )
      | ( ( in @ SV24 @ SV17 )
        = $true )
      | ( ( subset @ SV7 @ SV17 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[160]) ).

thf(172,plain,
    ! [SV7: $i,SV17: $i] :
      ( ( ( in @ ( sK6_SY50 @ SV17 @ SV7 ) @ SV7 )
        = $true )
      | ( ( subset @ SV7 @ SV17 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[161]) ).

thf(173,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( subset @ SV8 @ SV18 )
        = $true )
      | ( ( SV8 = SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[163]) ).

thf(174,plain,
    ! [SV8: $i,SV18: $i] :
      ( ( ( subset @ SV18 @ SV8 )
        = $true )
      | ( ( SV8 = SV18 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[164]) ).

thf(175,plain,
    ! [SV18: $i,SV8: $i] :
      ( ( ( subset @ SV8 @ SV18 )
        = $false )
      | ( ( ~ ( subset @ SV18 @ SV8 ) )
        = $true )
      | ( ( SV8 = SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[165]) ).

thf(176,plain,
    ! [SV19: $i,SV9: $i,SV22: $i,SV25: $i] :
      ( ( ( ~ ( ~ ( in @ SV25 @ SV22 )
              | ~ ( ~ ( in @ SV25 @ SV9 )
                  | ~ ( in @ SV25 @ SV19 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ SV25 @ SV9 )
                    | ~ ( in @ SV25 @ SV19 ) )
              | ( in @ SV25 @ SV22 ) ) )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[166]) ).

thf(177,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
              | ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                  | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) ) )
          | ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[167]) ).

thf(178,plain,
    ! [SV6: $i,SV16: $i,SV23: $i] :
      ( ( ( ~ ( in @ SV23 @ SV16 )
          | ( SV23 = SV6 ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[168]) ).

thf(179,plain,
    ! [SV16: $i,SV6: $i,SV23: $i] :
      ( ( ( ( SV23 != SV6 )
          | ( in @ SV23 @ SV16 ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[169]) ).

thf(180,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ~ ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
          | ( ( sK5_SY48 @ SV6 @ SV16 )
            = SV6 ) )
        = $false )
      | ( ( ~ ( ( ( sK5_SY48 @ SV6 @ SV16 )
               != SV6 )
              | ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[170]) ).

thf(181,plain,
    ! [SV8: $i,SV18: $i] :
      ( ( ( subset @ SV18 @ SV8 )
        = $false )
      | ( ( subset @ SV8 @ SV18 )
        = $false )
      | ( ( SV8 = SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[175]) ).

thf(182,plain,
    ! [SV19: $i,SV9: $i,SV22: $i,SV25: $i] :
      ( ( ( ~ ( ~ ( in @ SV25 @ SV22 )
              | ~ ( ~ ( in @ SV25 @ SV9 )
                  | ~ ( in @ SV25 @ SV19 ) ) ) )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[176]) ).

thf(183,plain,
    ! [SV22: $i,SV19: $i,SV9: $i,SV25: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( in @ SV25 @ SV9 )
                    | ~ ( in @ SV25 @ SV19 ) )
              | ( in @ SV25 @ SV22 ) ) )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[176]) ).

thf(184,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
              | ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                  | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) ) ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[177]) ).

thf(185,plain,
    ! [SV6: $i,SV16: $i,SV23: $i] :
      ( ( ( ~ ( in @ SV23 @ SV16 ) )
        = $true )
      | ( ( SV23 = SV6 )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[178]) ).

thf(186,plain,
    ! [SV16: $i,SV6: $i,SV23: $i] :
      ( ( ( SV23 != SV6 )
        = $true )
      | ( ( in @ SV23 @ SV16 )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[179]) ).

thf(187,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ~ ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) )
        = $false )
      | ( ( ~ ( ( ( sK5_SY48 @ SV6 @ SV16 )
               != SV6 )
              | ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[180]) ).

thf(188,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ( sK5_SY48 @ SV6 @ SV16 )
          = SV6 )
        = $false )
      | ( ( ~ ( ( ( sK5_SY48 @ SV6 @ SV16 )
               != SV6 )
              | ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[180]) ).

thf(189,plain,
    ! [SV19: $i,SV9: $i,SV22: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV22 )
          | ~ ( ~ ( in @ SV25 @ SV9 )
              | ~ ( in @ SV25 @ SV19 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[182]) ).

thf(190,plain,
    ! [SV22: $i,SV19: $i,SV9: $i,SV25: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV25 @ SV9 )
                | ~ ( in @ SV25 @ SV19 ) )
          | ( in @ SV25 @ SV22 ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[183]) ).

thf(191,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
          | ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
              | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[184]) ).

thf(192,plain,
    ! [SV6: $i,SV16: $i,SV23: $i] :
      ( ( ( in @ SV23 @ SV16 )
        = $false )
      | ( ( SV23 = SV6 )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[185]) ).

thf(193,plain,
    ! [SV16: $i,SV6: $i,SV23: $i] :
      ( ( ( SV23 = SV6 )
        = $false )
      | ( ( in @ SV23 @ SV16 )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[186]) ).

thf(194,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
        = $true )
      | ( ( ~ ( ( ( sK5_SY48 @ SV6 @ SV16 )
               != SV6 )
              | ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) ) )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[187]) ).

thf(195,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ( ( sK5_SY48 @ SV6 @ SV16 )
           != SV6 )
          | ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) )
        = $false )
      | ( ( ( sK5_SY48 @ SV6 @ SV16 )
          = SV6 )
        = $false )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[188]) ).

thf(196,plain,
    ! [SV19: $i,SV9: $i,SV22: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV22 ) )
        = $true )
      | ( ( ~ ( ~ ( in @ SV25 @ SV9 )
              | ~ ( in @ SV25 @ SV19 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[189]) ).

thf(197,plain,
    ! [SV22: $i,SV19: $i,SV9: $i,SV25: $i] :
      ( ( ( ~ ~ ( ~ ( in @ SV25 @ SV9 )
                | ~ ( in @ SV25 @ SV19 ) ) )
        = $true )
      | ( ( in @ SV25 @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[190]) ).

thf(198,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[191]) ).

thf(199,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
              | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) ) )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[191]) ).

thf(200,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ( ( sK5_SY48 @ SV6 @ SV16 )
           != SV6 )
          | ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 ) )
        = $false )
      | ( ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[194]) ).

thf(201,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ( sK5_SY48 @ SV6 @ SV16 )
         != SV6 )
        = $false )
      | ( ( ( sK5_SY48 @ SV6 @ SV16 )
          = SV6 )
        = $false )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[195]) ).

thf(202,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
        = $false )
      | ( ( ( sK5_SY48 @ SV6 @ SV16 )
          = SV6 )
        = $false )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[195]) ).

thf(203,plain,
    ! [SV19: $i,SV9: $i,SV22: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV22 )
        = $false )
      | ( ( ~ ( ~ ( in @ SV25 @ SV9 )
              | ~ ( in @ SV25 @ SV19 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[196]) ).

thf(204,plain,
    ! [SV22: $i,SV19: $i,SV9: $i,SV25: $i] :
      ( ( ( ~ ( ~ ( in @ SV25 @ SV9 )
              | ~ ( in @ SV25 @ SV19 ) ) )
        = $false )
      | ( ( in @ SV25 @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[197]) ).

thf(205,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[198]) ).

thf(206,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
          | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[199]) ).

thf(207,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ( sK5_SY48 @ SV6 @ SV16 )
         != SV6 )
        = $false )
      | ( ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[200]) ).

thf(208,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
        = $false )
      | ( ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[200]) ).

thf(209,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ( sK5_SY48 @ SV6 @ SV16 )
          = SV6 )
        = $true )
      | ( ( ( sK5_SY48 @ SV6 @ SV16 )
          = SV6 )
        = $false )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[201]) ).

thf(210,plain,
    ! [SV22: $i,SV19: $i,SV9: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV9 )
          | ~ ( in @ SV25 @ SV19 ) )
        = $false )
      | ( ( in @ SV25 @ SV22 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[203]) ).

thf(211,plain,
    ! [SV22: $i,SV19: $i,SV9: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV9 )
          | ~ ( in @ SV25 @ SV19 ) )
        = $true )
      | ( ( in @ SV25 @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[204]) ).

thf(212,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
          | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[205]) ).

thf(213,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 ) )
        = $true )
      | ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[206]) ).

thf(214,plain,
    ! [SV16: $i,SV6: $i] :
      ( ( ( ( sK5_SY48 @ SV6 @ SV16 )
          = SV6 )
        = $true )
      | ( ( in @ ( sK5_SY48 @ SV6 @ SV16 ) @ SV16 )
        = $true )
      | ( ( SV16
          = ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[207]) ).

thf(215,plain,
    ! [SV19: $i,SV22: $i,SV9: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV9 ) )
        = $false )
      | ( ( in @ SV25 @ SV22 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[210]) ).

thf(216,plain,
    ! [SV9: $i,SV22: $i,SV19: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV19 ) )
        = $false )
      | ( ( in @ SV25 @ SV22 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[210]) ).

thf(217,plain,
    ! [SV22: $i,SV19: $i,SV9: $i,SV25: $i] :
      ( ( ( ~ ( in @ SV25 @ SV9 ) )
        = $true )
      | ( ( ~ ( in @ SV25 @ SV19 ) )
        = $true )
      | ( ( in @ SV25 @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[211]) ).

thf(218,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[212]) ).

thf(219,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[212]) ).

thf(220,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
        = $true )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[213]) ).

thf(221,plain,
    ! [SV19: $i,SV22: $i,SV9: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV9 )
        = $true )
      | ( ( in @ SV25 @ SV22 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[215]) ).

thf(222,plain,
    ! [SV9: $i,SV22: $i,SV19: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV19 )
        = $true )
      | ( ( in @ SV25 @ SV22 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[216]) ).

thf(223,plain,
    ! [SV22: $i,SV19: $i,SV9: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV9 )
        = $false )
      | ( ( ~ ( in @ SV25 @ SV19 ) )
        = $true )
      | ( ( in @ SV25 @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[217]) ).

thf(224,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
              | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) ) )
        = $true )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[218]) ).

thf(225,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( ~ ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                    | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
              | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) ) )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[220]) ).

thf(226,plain,
    ! [SV22: $i,SV9: $i,SV19: $i,SV25: $i] :
      ( ( ( in @ SV25 @ SV19 )
        = $false )
      | ( ( in @ SV25 @ SV9 )
        = $false )
      | ( ( in @ SV25 @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[223]) ).

thf(227,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
          | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[224]) ).

thf(228,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
          | ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[225]) ).

thf(229,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[227]) ).

thf(230,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[227]) ).

thf(231,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
                | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[228]) ).

thf(232,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[228]) ).

thf(233,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $true )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[229]) ).

thf(234,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $true )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV22 )
        = $true )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[230]) ).

thf(235,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
              | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) ) )
        = $true )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[231]) ).

thf(236,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
          | ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[235]) ).

thf(237,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[236]) ).

thf(238,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( ~ ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 ) )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[236]) ).

thf(239,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $true )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[237]) ).

thf(240,plain,
    ! [SV22: $i,SV9: $i,SV19: $i] :
      ( ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $true )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV9 )
        = $false )
      | ( ( in @ ( sK7_SY55 @ SV19 @ SV9 @ SV22 ) @ SV19 )
        = $false )
      | ( ( SV22
          = ( set_intersection2 @ SV9 @ SV19 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[238]) ).

thf(241,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[50,240,239,234,233,232,226,222,221,219,214,209,208,202,193,192,181,174,173,172,171,162,149,148,119,116,115,105,88,87,86,76,75,74,53,52,51]) ).

thf(242,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[241]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SEU154+1 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.14  % Computer : n019.cluster.edu
% 0.09/0.14  % Model    : x86_64 x86_64
% 0.09/0.14  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.14  % Memory   : 8046.5625MB
% 0.09/0.14  % OS       : Linux 6.8.0-71-generic
% 0.09/0.15  % CPULimit : 300
% 0.09/0.15  % WCLimit  : 300
% 0.09/0.15  % DateTime : Tue Oct  6 15:02:01 UTC 2026
% 0.09/0.15  % CPUTime  : 
% 0.09/0.15  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.87/0.68  
% 2.87/0.68   No.of.Axioms: 17
% 2.87/0.68  
% 2.87/0.68   Length.of.Defs: 0
% 2.87/0.68  
% 2.87/0.68   Contains.Choice.Funs: false
% 2.87/0.68  ......
% 2.87/0.68  
% 2.87/0.68  ********************************
% 2.87/0.68  *   All subproblems solved!    *
% 2.87/0.68  ********************************
% 2.87/0.68  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:18,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:241,loop_count:0,foatp_calls:1,translation:fof_full)
% 2.87/0.68  
% 2.87/0.68  %**** Beginning of derivation protocol ****
% 2.87/0.68  % SZS output start CNFRefutation
% See solution above
% 2.87/0.68  
% 2.87/0.68  %**** End of derivation protocol ****
% 2.87/0.68  %**** no. of clauses in derivation: 242 ****
% 2.87/0.68  %**** clause counter: 241 ****
% 2.87/0.68  
% 2.87/0.68  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:18,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:299,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:241,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------