TSTP Solution File: SEU123+2 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU123+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n005.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 12:06:50 EDT 2022

% Result   : Theorem 0.19s 0.51s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :   37
% Syntax   : Number of formulae    :  308 ( 175 unt;  14 typ;   0 def)
%            Number of atoms       : 1739 ( 591 equ;   0 cnn)
%            Maximal formula atoms :    6 (   5 avg)
%            Number of connectives : 3412 ( 647   ~; 539   |;  56   &;2144   @)
%                                         (  12 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   19 (  19   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   17 (  14 usr;   6 con; 0-3 aty)
%            Number of variables   :  759 (   0   ^ 751   !;   8   ?; 759   :)

% 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_A,type,
    sK2_A: $i ).

thf(tp_sK3_A,type,
    sK3_A: $i ).

thf(tp_sK4_D,type,
    sK4_D: $i > $i > $i > $i ).

thf(tp_sK5_C,type,
    sK5_C: $i > $i > $i ).

thf(tp_sK6_B,type,
    sK6_B: $i > $i ).

thf(tp_sK7_C,type,
    sK7_C: $i > $i > $i ).

thf(tp_sK8_C,type,
    sK8_C: $i > $i > $i ).

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

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

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

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

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

thf(4,axiom,
    ! [A: $i,B: $i] :
      ( ( disjoint @ A @ B )
     => ( disjoint @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

thf(5,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

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

thf(7,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( set_intersection2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

thf(9,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(10,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k3_xboole_0) ).

thf(11,axiom,
    $true,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(12,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(13,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(14,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(15,axiom,
    ! [A: $i] :
      ( ( A = empty_set )
    <=> ! [B: $i] :
          ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_xboole_0) ).

thf(16,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
    <=> ( ( subset @ A @ B )
        & ( subset @ B @ A ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d10_xboole_0) ).

thf(17,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(18,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(19,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( in @ C @ ( set_intersection2 @ A @ B ) ) )
      & ~ ( ? [C: $i] : ( in @ C @ ( set_intersection2 @ A @ B ) )
          & ( disjoint @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t4_xboole_0) ).

thf(20,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( ~ ( disjoint @ A @ B )
          & ! [C: $i] :
              ~ ( ( in @ C @ A )
                & ( in @ C @ B ) ) )
      & ~ ( ? [C: $i] :
              ( ( in @ C @ A )
              & ( in @ C @ B ) )
          & ( disjoint @ A @ B ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_xboole_0) ).

thf(21,axiom,
    ! [A: $i] : ( subset @ empty_set @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_xboole_1) ).

thf(22,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ B @ C ) )
     => ( subset @ A @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_xboole_1) ).

thf(23,conjecture,
    ! [A: $i] :
      ( ( subset @ A @ empty_set )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_xboole_1) ).

thf(24,negated_conjecture,
    ( ( ! [A: $i] :
          ( ( subset @ A @ empty_set )
         => ( A = empty_set ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[23]) ).

thf(25,plain,
    ( ( ! [A: $i] :
          ( ( subset @ A @ empty_set )
         => ( A = empty_set ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[24]) ).

thf(26,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( empty @ A )
            & ( A != B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(27,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(28,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
         => ( A = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(29,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
         => ( disjoint @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(30,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(31,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(32,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(33,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(34,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(35,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[10]) ).

thf(36,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[11]) ).

thf(37,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
        <=> ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(38,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)],[13]) ).

thf(39,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
        <=> ! [C: $i] :
              ( ( in @ C @ A )
             => ( in @ C @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[14]) ).

thf(40,plain,
    ( ( ! [A: $i] :
          ( ( A = empty_set )
        <=> ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(41,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
        <=> ( ( subset @ A @ B )
            & ( subset @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16]) ).

thf(42,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(43,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(44,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ~ ( disjoint @ A @ B )
              & ! [C: $i] :
                  ~ ( in @ C @ ( set_intersection2 @ A @ B ) ) )
          & ~ ( ? [C: $i] : ( in @ C @ ( set_intersection2 @ A @ B ) )
              & ( disjoint @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(45,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( ~ ( disjoint @ A @ B )
              & ! [C: $i] :
                  ~ ( ( in @ C @ A )
                    & ( in @ C @ B ) ) )
          & ~ ( ? [C: $i] :
                  ( ( in @ C @ A )
                  & ( in @ C @ B ) )
              & ( disjoint @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(46,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(47,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ B @ C ) )
         => ( subset @ A @ C ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(48,plain,
    ( ( ( subset @ sK1_A @ empty_set )
     => ( sK1_A = empty_set ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[25]) ).

thf(49,plain,
    ( ( subset @ sK1_A @ empty_set )
    = $true ),
    inference(standard_cnf,[status(thm)],[48]) ).

thf(50,plain,
    ( ( sK1_A = empty_set )
    = $false ),
    inference(standard_cnf,[status(thm)],[48]) ).

thf(51,plain,
    ( ( ( sK1_A != empty_set ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[50]) ).

thf(52,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[26]) ).

thf(53,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[27]) ).

thf(54,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[28]) ).

thf(55,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( disjoint @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[29]) ).

thf(56,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[30]) ).

thf(57,plain,
    ( ( ~ ( empty @ sK2_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[31]) ).

thf(58,plain,
    ( ( empty @ sK3_A )
    = $true ),
    inference(extcnf_combined,[status(esa)],[32]) ).

thf(59,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[33]) ).

thf(60,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_intersection2 @ A @ B )
           != empty_set )
          | ( disjoint @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[37]) ).

thf(61,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK4_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK4_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK4_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK4_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK4_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK4_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK4_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_intersection2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_intersection2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ~ ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[38]) ).

thf(62,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK5_C @ B @ A ) @ A )
            & ~ ( in @ ( sK5_C @ B @ A ) @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ( in @ C @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[39]) ).

thf(63,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK6_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[40]) ).

thf(64,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ A )
          | ( A = B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[41]) ).

thf(65,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[43]) ).

thf(66,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( in @ ( sK7_C @ B @ A ) @ ( set_intersection2 @ A @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ~ ( in @ C @ ( set_intersection2 @ A @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[44]) ).

thf(67,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK8_C @ B @ A ) @ A )
            & ( in @ ( sK8_C @ B @ A ) @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ~ ( in @ C @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[45]) ).

thf(68,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[47]) ).

thf(69,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ C )
          | ( subset @ A @ C ) ) )
    = $true ),
    inference(copy,[status(thm)],[68]) ).

thf(70,plain,
    ( ( ! [A: $i] : ( subset @ empty_set @ A ) )
    = $true ),
    inference(copy,[status(thm)],[46]) ).

thf(71,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( ( in @ ( sK8_C @ B @ A ) @ A )
            & ( in @ ( sK8_C @ B @ A ) @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ~ ( in @ C @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[67]) ).

thf(72,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( disjoint @ A @ B )
          | ( in @ ( sK7_C @ B @ A ) @ ( set_intersection2 @ A @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ! [C: $i] :
              ~ ( in @ C @ ( set_intersection2 @ A @ B ) )
          | ~ ( disjoint @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[66]) ).

thf(73,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[65]) ).

thf(74,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_intersection2 @ A @ B )
          = ( set_intersection2 @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[42]) ).

thf(75,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ~ ( subset @ B @ A )
          | ( A = B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ( A != B )
          | ( subset @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[64]) ).

thf(76,plain,
    ( ( ! [A: $i] :
          ( ( in @ ( sK6_B @ A ) @ A )
          | ( A = empty_set ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] :
              ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[63]) ).

thf(77,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK5_C @ B @ A ) @ A )
            & ~ ( in @ ( sK5_C @ B @ A ) @ B ) )
          | ( subset @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
          | ! [C: $i] :
              ( ~ ( in @ C @ A )
              | ( in @ C @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[62]) ).

thf(78,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK4_D @ C @ B @ A ) @ A )
                  | ~ ( in @ ( sK4_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK4_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK4_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK4_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK4_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK4_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_intersection2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_intersection2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ~ ( in @ D @ B )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ B ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[61]) ).

thf(79,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( set_intersection2 @ A @ B )
           != empty_set )
          | ( disjoint @ A @ B ) )
      & ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( ( set_intersection2 @ A @ B )
            = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[60]) ).

thf(80,plain,
    $true = $true,
    inference(copy,[status(thm)],[36]) ).

thf(81,plain,
    $true = $true,
    inference(copy,[status(thm)],[35]) ).

thf(82,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[34]) ).

thf(83,plain,
    ( ( ! [A: $i] :
          ( ( set_intersection2 @ A @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[59]) ).

thf(84,plain,
    ( ( empty @ sK3_A )
    = $true ),
    inference(copy,[status(thm)],[58]) ).

thf(85,plain,
    ( ( ~ ( empty @ sK2_A ) )
    = $true ),
    inference(copy,[status(thm)],[57]) ).

thf(86,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[56]) ).

thf(87,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( disjoint @ A @ B )
          | ( disjoint @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[55]) ).

thf(88,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[54]) ).

thf(89,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[53]) ).

thf(90,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[52]) ).

thf(91,plain,
    ( ( subset @ sK1_A @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[49]) ).

thf(92,plain,
    ( ( ( sK1_A != empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[51]) ).

thf(93,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( disjoint @ SX0 @ SX1 )
                | ( in @ ( sK7_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ! [SX2: $i] :
                    ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
                | ~ ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[72]) ).

thf(94,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( disjoint @ SX0 @ SX1 )
                | ~ ( ~ ( in @ ( sK8_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ( in @ ( sK8_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ~ ( in @ SX2 @ SX1 ) )
                | ~ ( disjoint @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[71]) ).

thf(95,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ~ ( subset @ SX1 @ SX0 )
                | ( SX0 = SX1 ) )
          | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX0 @ SX1 ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0 != SX1 )
                      | ( subset @ SX1 @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[75]) ).

thf(96,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( in @ ( sK6_B @ SX0 ) @ SX0 )
                | ( SX0 = empty_set ) )
          | ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] :
                    ~ ( in @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[76]) ).

thf(97,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX0 )
                    | ( in @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[77]) ).

thf(98,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK4_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ~ ( in @ ( sK4_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK4_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK4_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK4_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ( in @ ( sK4_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK4_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) ) )
                  | ( SX2
                    = ( set_intersection2 @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_intersection2 @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX0 )
                            | ~ ( in @ SX3 @ SX1 )
                            | ( in @ SX3 @ SX2 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ( in @ SX3 @ SX0 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX2 )
                                  | ( in @ SX3 @ SX1 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[78]) ).

thf(99,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( ( set_intersection2 @ SX0 @ SX1 )
                 != empty_set )
                | ( disjoint @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( disjoint @ SX0 @ SX1 )
                | ( ( set_intersection2 @ SX0 @ SX1 )
                  = empty_set ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[79]) ).

thf(100,plain,
    ! [SV1: $i] :
      ( ( ! [SY43: $i,SY44: $i] :
            ( ~ ( subset @ SV1 @ SY43 )
            | ~ ( subset @ SY43 @ SY44 )
            | ( subset @ SV1 @ SY44 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[69]) ).

thf(101,plain,
    ! [SV2: $i] :
      ( ( subset @ empty_set @ SV2 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[70]) ).

thf(102,plain,
    ! [SV3: $i] :
      ( ( ! [SY45: $i] :
            ( ~ ( in @ SV3 @ SY45 )
            | ~ ( in @ SY45 @ SV3 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[73]) ).

thf(103,plain,
    ! [SV4: $i] :
      ( ( ! [SY46: $i] :
            ( ( set_intersection2 @ SV4 @ SY46 )
            = ( set_intersection2 @ SY46 @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[74]) ).

thf(104,plain,
    ! [SV5: $i] :
      ( ( ( set_intersection2 @ SV5 @ SV5 )
        = SV5 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[83]) ).

thf(105,plain,
    ( ( empty @ sK2_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[85]) ).

thf(106,plain,
    ! [SV6: $i] :
      ( ( subset @ SV6 @ SV6 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[86]) ).

thf(107,plain,
    ! [SV7: $i] :
      ( ( ! [SY47: $i] :
            ( ~ ( disjoint @ SV7 @ SY47 )
            | ( disjoint @ SY47 @ SV7 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[87]) ).

thf(108,plain,
    ! [SV8: $i] :
      ( ( ~ ( empty @ SV8 )
        | ( SV8 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[88]) ).

thf(109,plain,
    ! [SV9: $i] :
      ( ( ! [SY48: $i] :
            ( ~ ( empty @ SY48 )
            | ~ ( in @ SV9 @ SY48 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[89]) ).

thf(110,plain,
    ! [SV10: $i] :
      ( ( ! [SY49: $i] :
            ( ( SV10 = SY49 )
            | ~ ( empty @ SV10 )
            | ~ ( empty @ SY49 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[90]) ).

thf(111,plain,
    ( ( sK1_A = empty_set )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[92]) ).

thf(112,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ( in @ ( sK7_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[93]) ).

thf(113,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK8_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK8_C @ SX1 @ SX0 ) @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ~ ( in @ SX2 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[94]) ).

thf(114,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) )
      | ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[95]) ).

thf(115,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK6_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) )
      | ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[96]) ).

thf(116,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[97]) ).

thf(117,plain,
    ! [SV11: $i] :
      ( ( ~ ( ~ ! [SY50: $i,SY51: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SV11 )
                          | ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY50 )
                          | ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SV11 )
                                | ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) )
                            | ~ ( ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY50 )
                                | ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) ) ) )
                  | ( SY51
                    = ( set_intersection2 @ SV11 @ SY50 ) ) )
            | ~ ! [SY52: $i,SY53: $i] :
                  ( ( SY53
                   != ( set_intersection2 @ SV11 @ SY52 ) )
                  | ~ ( ~ ! [SY54: $i] :
                            ( ~ ( in @ SY54 @ SV11 )
                            | ~ ( in @ SY54 @ SY52 )
                            | ( in @ SY54 @ SY53 ) )
                      | ~ ~ ( ~ ! [SY55: $i] :
                                  ( ~ ( in @ SY55 @ SY53 )
                                  | ( in @ SY55 @ SV11 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY53 )
                                  | ( in @ SX3 @ SY52 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[98]) ).

thf(118,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_intersection2 @ SX0 @ SX1 )
             != empty_set )
            | ( disjoint @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_intersection2 @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[99]) ).

thf(119,plain,
    ! [SV12: $i,SV1: $i] :
      ( ( ! [SY57: $i] :
            ( ~ ( subset @ SV1 @ SV12 )
            | ~ ( subset @ SV12 @ SY57 )
            | ( subset @ SV1 @ SY57 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[100]) ).

thf(120,plain,
    ! [SV13: $i,SV3: $i] :
      ( ( ~ ( in @ SV3 @ SV13 )
        | ~ ( in @ SV13 @ SV3 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[102]) ).

thf(121,plain,
    ! [SV14: $i,SV4: $i] :
      ( ( ( set_intersection2 @ SV4 @ SV14 )
        = ( set_intersection2 @ SV14 @ SV4 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[103]) ).

thf(122,plain,
    ! [SV15: $i,SV7: $i] :
      ( ( ~ ( disjoint @ SV7 @ SV15 )
        | ( disjoint @ SV15 @ SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[107]) ).

thf(123,plain,
    ! [SV8: $i] :
      ( ( ( ~ ( empty @ SV8 ) )
        = $true )
      | ( ( SV8 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[108]) ).

thf(124,plain,
    ! [SV9: $i,SV16: $i] :
      ( ( ~ ( empty @ SV16 )
        | ~ ( in @ SV9 @ SV16 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[109]) ).

thf(125,plain,
    ! [SV17: $i,SV10: $i] :
      ( ( ( SV10 = SV17 )
        | ~ ( empty @ SV10 )
        | ~ ( empty @ SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[110]) ).

thf(126,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ( in @ ( sK7_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[112]) ).

thf(127,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[112]) ).

thf(128,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( disjoint @ SX0 @ SX1 )
            | ~ ( ~ ( in @ ( sK8_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ( in @ ( sK8_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[113]) ).

thf(129,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ~ ( in @ SX2 @ SX1 ) )
            | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[113]) ).

thf(130,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ~ ( subset @ SX1 @ SX0 )
            | ( SX0 = SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[114]) ).

thf(131,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX0 @ SX1 ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0 != SX1 )
                  | ( subset @ SX1 @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[114]) ).

thf(132,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( in @ ( sK6_B @ SX0 ) @ SX0 )
            | ( SX0 = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[115]) ).

thf(133,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] :
                ~ ( in @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[115]) ).

thf(134,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[116]) ).

thf(135,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[116]) ).

thf(136,plain,
    ! [SV11: $i] :
      ( ( ~ ! [SY50: $i,SY51: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SV11 )
                      | ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY50 )
                      | ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SV11 )
                            | ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) )
                        | ~ ( ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY50 )
                            | ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) ) ) )
              | ( SY51
                = ( set_intersection2 @ SV11 @ SY50 ) ) )
        | ~ ! [SY52: $i,SY53: $i] :
              ( ( SY53
               != ( set_intersection2 @ SV11 @ SY52 ) )
              | ~ ( ~ ! [SY54: $i] :
                        ( ~ ( in @ SY54 @ SV11 )
                        | ~ ( in @ SY54 @ SY52 )
                        | ( in @ SY54 @ SY53 ) )
                  | ~ ~ ( ~ ! [SY55: $i] :
                              ( ~ ( in @ SY55 @ SY53 )
                              | ( in @ SY55 @ SV11 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY53 )
                              | ( in @ SX3 @ SY52 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[117]) ).

thf(137,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( ( set_intersection2 @ SX0 @ SX1 )
             != empty_set )
            | ( disjoint @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[118]) ).

thf(138,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( disjoint @ SX0 @ SX1 )
            | ( ( set_intersection2 @ SX0 @ SX1 )
              = empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[118]) ).

thf(139,plain,
    ! [SV18: $i,SV12: $i,SV1: $i] :
      ( ( ~ ( subset @ SV1 @ SV12 )
        | ~ ( subset @ SV12 @ SV18 )
        | ( subset @ SV1 @ SV18 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[119]) ).

thf(140,plain,
    ! [SV13: $i,SV3: $i] :
      ( ( ( ~ ( in @ SV3 @ SV13 ) )
        = $true )
      | ( ( ~ ( in @ SV13 @ SV3 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[120]) ).

thf(141,plain,
    ! [SV15: $i,SV7: $i] :
      ( ( ( ~ ( disjoint @ SV7 @ SV15 ) )
        = $true )
      | ( ( disjoint @ SV15 @ SV7 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[122]) ).

thf(142,plain,
    ! [SV8: $i] :
      ( ( ( empty @ SV8 )
        = $false )
      | ( ( SV8 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[123]) ).

thf(143,plain,
    ! [SV9: $i,SV16: $i] :
      ( ( ( ~ ( empty @ SV16 ) )
        = $true )
      | ( ( ~ ( in @ SV9 @ SV16 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[124]) ).

thf(144,plain,
    ! [SV17: $i,SV10: $i] :
      ( ( ( ( SV10 = SV17 )
          | ~ ( empty @ SV10 ) )
        = $true )
      | ( ( ~ ( empty @ SV17 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[125]) ).

thf(145,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( disjoint @ SX0 @ SX1 )
          | ( in @ ( sK7_C @ SX1 @ SX0 ) @ ( set_intersection2 @ SX0 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[126]) ).

thf(146,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ~ ( in @ SX2 @ ( set_intersection2 @ SX0 @ SX1 ) )
          | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[127]) ).

thf(147,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( disjoint @ SX0 @ SX1 )
          | ~ ( ~ ( in @ ( sK8_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ( in @ ( sK8_C @ SX1 @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[128]) ).

thf(148,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ~ ( in @ SX2 @ SX1 ) )
          | ~ ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[129]) ).

thf(149,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ~ ( subset @ SX1 @ SX0 )
          | ( SX0 = SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[130]) ).

thf(150,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0 != SX1 )
                | ( subset @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[131]) ).

thf(151,plain,
    ( ( ! [SX0: $i] :
          ( ( in @ ( sK6_B @ SX0 ) @ SX0 )
          | ( SX0 = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[132]) ).

thf(152,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] :
              ~ ( in @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[133]) ).

thf(153,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( in @ ( sK5_C @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[134]) ).

thf(154,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[135]) ).

thf(155,plain,
    ! [SV11: $i] :
      ( ( ~ ! [SY50: $i,SY51: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SV11 )
                      | ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY50 )
                      | ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SV11 )
                            | ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) )
                        | ~ ( ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY50 )
                            | ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) ) ) )
              | ( SY51
                = ( set_intersection2 @ SV11 @ SY50 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[136]) ).

thf(156,plain,
    ! [SV11: $i] :
      ( ( ~ ! [SY52: $i,SY53: $i] :
              ( ( SY53
               != ( set_intersection2 @ SV11 @ SY52 ) )
              | ~ ( ~ ! [SY54: $i] :
                        ( ~ ( in @ SY54 @ SV11 )
                        | ~ ( in @ SY54 @ SY52 )
                        | ( in @ SY54 @ SY53 ) )
                  | ~ ~ ( ~ ! [SY55: $i] :
                              ( ~ ( in @ SY55 @ SY53 )
                              | ( in @ SY55 @ SV11 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY53 )
                              | ( in @ SX3 @ SY52 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[136]) ).

thf(157,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( ( set_intersection2 @ SX0 @ SX1 )
           != empty_set )
          | ( disjoint @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[137]) ).

thf(158,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( disjoint @ SX0 @ SX1 )
          | ( ( set_intersection2 @ SX0 @ SX1 )
            = empty_set ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[138]) ).

thf(159,plain,
    ! [SV18: $i,SV12: $i,SV1: $i] :
      ( ( ( ~ ( subset @ SV1 @ SV12 )
          | ~ ( subset @ SV12 @ SV18 ) )
        = $true )
      | ( ( subset @ SV1 @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[139]) ).

thf(160,plain,
    ! [SV13: $i,SV3: $i] :
      ( ( ( in @ SV3 @ SV13 )
        = $false )
      | ( ( ~ ( in @ SV13 @ SV3 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[140]) ).

thf(161,plain,
    ! [SV15: $i,SV7: $i] :
      ( ( ( disjoint @ SV7 @ SV15 )
        = $false )
      | ( ( disjoint @ SV15 @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[141]) ).

thf(162,plain,
    ! [SV9: $i,SV16: $i] :
      ( ( ( empty @ SV16 )
        = $false )
      | ( ( ~ ( in @ SV9 @ SV16 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[143]) ).

thf(163,plain,
    ! [SV17: $i,SV10: $i] :
      ( ( ( SV10 = SV17 )
        = $true )
      | ( ( ~ ( empty @ SV10 ) )
        = $true )
      | ( ( ~ ( empty @ SV17 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[144]) ).

thf(164,plain,
    ! [SV19: $i] :
      ( ( ! [SY58: $i] :
            ( ( disjoint @ SV19 @ SY58 )
            | ( in @ ( sK7_C @ SY58 @ SV19 ) @ ( set_intersection2 @ SV19 @ SY58 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[145]) ).

thf(165,plain,
    ! [SV20: $i] :
      ( ( ! [SY59: $i] :
            ( ! [SY60: $i] :
                ~ ( in @ SY60 @ ( set_intersection2 @ SV20 @ SY59 ) )
            | ~ ( disjoint @ SV20 @ SY59 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[146]) ).

thf(166,plain,
    ! [SV21: $i] :
      ( ( ! [SY61: $i] :
            ( ( disjoint @ SV21 @ SY61 )
            | ~ ( ~ ( in @ ( sK8_C @ SY61 @ SV21 ) @ SV21 )
                | ~ ( in @ ( sK8_C @ SY61 @ SV21 ) @ SY61 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[147]) ).

thf(167,plain,
    ! [SV22: $i] :
      ( ( ! [SY62: $i] :
            ( ! [SY63: $i] :
                ( ~ ( in @ SY63 @ SV22 )
                | ~ ( in @ SY63 @ SY62 ) )
            | ~ ( disjoint @ SV22 @ SY62 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[148]) ).

thf(168,plain,
    ! [SV23: $i] :
      ( ( ! [SY64: $i] :
            ( ~ ( subset @ SV23 @ SY64 )
            | ~ ( subset @ SY64 @ SV23 )
            | ( SV23 = SY64 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[149]) ).

thf(169,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[150]) ).

thf(170,plain,
    ! [SV24: $i] :
      ( ( ( in @ ( sK6_B @ SV24 ) @ SV24 )
        | ( SV24 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[151]) ).

thf(171,plain,
    ! [SV25: $i] :
      ( ( ( SV25 != empty_set )
        | ! [SY65: $i] :
            ~ ( in @ SY65 @ SV25 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[152]) ).

thf(172,plain,
    ! [SV26: $i] :
      ( ( ! [SY66: $i] :
            ( ~ ( ~ ( in @ ( sK5_C @ SY66 @ SV26 ) @ SV26 )
                | ~ ~ ( in @ ( sK5_C @ SY66 @ SV26 ) @ SY66 ) )
            | ( subset @ SV26 @ SY66 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[153]) ).

thf(173,plain,
    ! [SV27: $i] :
      ( ( ! [SY67: $i] :
            ( ~ ( subset @ SV27 @ SY67 )
            | ! [SY68: $i] :
                ( ~ ( in @ SY68 @ SV27 )
                | ( in @ SY68 @ SY67 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[154]) ).

thf(174,plain,
    ! [SV11: $i] :
      ( ( ! [SY50: $i,SY51: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SV11 )
                    | ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY50 )
                    | ~ ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) )
                | ~ ~ ( ~ ( ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SV11 )
                          | ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) )
                      | ~ ( ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY50 )
                          | ( in @ ( sK4_D @ SY51 @ SY50 @ SV11 ) @ SY51 ) ) ) )
            | ( SY51
              = ( set_intersection2 @ SV11 @ SY50 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[155]) ).

thf(175,plain,
    ! [SV11: $i] :
      ( ( ! [SY52: $i,SY53: $i] :
            ( ( SY53
             != ( set_intersection2 @ SV11 @ SY52 ) )
            | ~ ( ~ ! [SY54: $i] :
                      ( ~ ( in @ SY54 @ SV11 )
                      | ~ ( in @ SY54 @ SY52 )
                      | ( in @ SY54 @ SY53 ) )
                | ~ ~ ( ~ ! [SY55: $i] :
                            ( ~ ( in @ SY55 @ SY53 )
                            | ( in @ SY55 @ SV11 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY53 )
                            | ( in @ SX3 @ SY52 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[156]) ).

thf(176,plain,
    ! [SV28: $i] :
      ( ( ! [SY69: $i] :
            ( ( ( set_intersection2 @ SV28 @ SY69 )
             != empty_set )
            | ( disjoint @ SV28 @ SY69 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[157]) ).

thf(177,plain,
    ! [SV29: $i] :
      ( ( ! [SY70: $i] :
            ( ~ ( disjoint @ SV29 @ SY70 )
            | ( ( set_intersection2 @ SV29 @ SY70 )
              = empty_set ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[158]) ).

thf(178,plain,
    ! [SV18: $i,SV12: $i,SV1: $i] :
      ( ( ( ~ ( subset @ SV1 @ SV12 ) )
        = $true )
      | ( ( ~ ( subset @ SV12 @ SV18 ) )
        = $true )
      | ( ( subset @ SV1 @ SV18 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[159]) ).

thf(179,plain,
    ! [SV3: $i,SV13: $i] :
      ( ( ( in @ SV13 @ SV3 )
        = $false )
      | ( ( in @ SV3 @ SV13 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[160]) ).

thf(180,plain,
    ! [SV16: $i,SV9: $i] :
      ( ( ( in @ SV9 @ SV16 )
        = $false )
      | ( ( empty @ SV16 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[162]) ).

thf(181,plain,
    ! [SV17: $i,SV10: $i] :
      ( ( ( empty @ SV10 )
        = $false )
      | ( ( SV10 = SV17 )
        = $true )
      | ( ( ~ ( empty @ SV17 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[163]) ).

thf(182,plain,
    ! [SV30: $i,SV19: $i] :
      ( ( ( disjoint @ SV19 @ SV30 )
        | ( in @ ( sK7_C @ SV30 @ SV19 ) @ ( set_intersection2 @ SV19 @ SV30 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[164]) ).

thf(183,plain,
    ! [SV31: $i,SV20: $i] :
      ( ( ! [SY71: $i] :
            ~ ( in @ SY71 @ ( set_intersection2 @ SV20 @ SV31 ) )
        | ~ ( disjoint @ SV20 @ SV31 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[165]) ).

thf(184,plain,
    ! [SV32: $i,SV21: $i] :
      ( ( ( disjoint @ SV21 @ SV32 )
        | ~ ( ~ ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV21 )
            | ~ ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV32 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[166]) ).

thf(185,plain,
    ! [SV33: $i,SV22: $i] :
      ( ( ! [SY72: $i] :
            ( ~ ( in @ SY72 @ SV22 )
            | ~ ( in @ SY72 @ SV33 ) )
        | ~ ( disjoint @ SV22 @ SV33 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[167]) ).

thf(186,plain,
    ! [SV34: $i,SV23: $i] :
      ( ( ~ ( subset @ SV23 @ SV34 )
        | ~ ( subset @ SV34 @ SV23 )
        | ( SV23 = SV34 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[168]) ).

thf(187,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[169]) ).

thf(188,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0 != SX1 )
            | ( subset @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[169]) ).

thf(189,plain,
    ! [SV24: $i] :
      ( ( ( in @ ( sK6_B @ SV24 ) @ SV24 )
        = $true )
      | ( ( SV24 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[170]) ).

thf(190,plain,
    ! [SV25: $i] :
      ( ( ( ( SV25 != empty_set ) )
        = $true )
      | ( ( ! [SY65: $i] :
              ~ ( in @ SY65 @ SV25 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[171]) ).

thf(191,plain,
    ! [SV26: $i,SV35: $i] :
      ( ( ~ ( ~ ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV26 )
            | ~ ~ ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV35 ) )
        | ( subset @ SV26 @ SV35 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[172]) ).

thf(192,plain,
    ! [SV36: $i,SV27: $i] :
      ( ( ~ ( subset @ SV27 @ SV36 )
        | ! [SY73: $i] :
            ( ~ ( in @ SY73 @ SV27 )
            | ( in @ SY73 @ SV36 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[173]) ).

thf(193,plain,
    ! [SV11: $i,SV37: $i] :
      ( ( ! [SY74: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK4_D @ SY74 @ SV37 @ SV11 ) @ SV11 )
                    | ~ ( in @ ( sK4_D @ SY74 @ SV37 @ SV11 ) @ SV37 )
                    | ~ ( in @ ( sK4_D @ SY74 @ SV37 @ SV11 ) @ SY74 ) )
                | ~ ~ ( ~ ( ( in @ ( sK4_D @ SY74 @ SV37 @ SV11 ) @ SV11 )
                          | ( in @ ( sK4_D @ SY74 @ SV37 @ SV11 ) @ SY74 ) )
                      | ~ ( ( in @ ( sK4_D @ SY74 @ SV37 @ SV11 ) @ SV37 )
                          | ( in @ ( sK4_D @ SY74 @ SV37 @ SV11 ) @ SY74 ) ) ) )
            | ( SY74
              = ( set_intersection2 @ SV11 @ SV37 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[174]) ).

thf(194,plain,
    ! [SV38: $i,SV11: $i] :
      ( ( ! [SY75: $i] :
            ( ( SY75
             != ( set_intersection2 @ SV11 @ SV38 ) )
            | ~ ( ~ ! [SY76: $i] :
                      ( ~ ( in @ SY76 @ SV11 )
                      | ~ ( in @ SY76 @ SV38 )
                      | ( in @ SY76 @ SY75 ) )
                | ~ ~ ( ~ ! [SY55: $i] :
                            ( ~ ( in @ SY55 @ SY75 )
                            | ( in @ SY55 @ SV11 ) )
                      | ~ ! [SY78: $i] :
                            ( ~ ( in @ SY78 @ SY75 )
                            | ( in @ SY78 @ SV38 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[175]) ).

thf(195,plain,
    ! [SV39: $i,SV28: $i] :
      ( ( ( ( set_intersection2 @ SV28 @ SV39 )
         != empty_set )
        | ( disjoint @ SV28 @ SV39 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[176]) ).

thf(196,plain,
    ! [SV40: $i,SV29: $i] :
      ( ( ~ ( disjoint @ SV29 @ SV40 )
        | ( ( set_intersection2 @ SV29 @ SV40 )
          = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[177]) ).

thf(197,plain,
    ! [SV18: $i,SV12: $i,SV1: $i] :
      ( ( ( subset @ SV1 @ SV12 )
        = $false )
      | ( ( ~ ( subset @ SV12 @ SV18 ) )
        = $true )
      | ( ( subset @ SV1 @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[178]) ).

thf(198,plain,
    ! [SV10: $i,SV17: $i] :
      ( ( ( empty @ SV17 )
        = $false )
      | ( ( SV10 = SV17 )
        = $true )
      | ( ( empty @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[181]) ).

thf(199,plain,
    ! [SV30: $i,SV19: $i] :
      ( ( ( disjoint @ SV19 @ SV30 )
        = $true )
      | ( ( in @ ( sK7_C @ SV30 @ SV19 ) @ ( set_intersection2 @ SV19 @ SV30 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[182]) ).

thf(200,plain,
    ! [SV31: $i,SV20: $i] :
      ( ( ( ! [SY71: $i] :
              ~ ( in @ SY71 @ ( set_intersection2 @ SV20 @ SV31 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV20 @ SV31 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[183]) ).

thf(201,plain,
    ! [SV32: $i,SV21: $i] :
      ( ( ( disjoint @ SV21 @ SV32 )
        = $true )
      | ( ( ~ ( ~ ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV21 )
              | ~ ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV32 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[184]) ).

thf(202,plain,
    ! [SV33: $i,SV22: $i] :
      ( ( ( ! [SY72: $i] :
              ( ~ ( in @ SY72 @ SV22 )
              | ~ ( in @ SY72 @ SV33 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV33 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[185]) ).

thf(203,plain,
    ! [SV34: $i,SV23: $i] :
      ( ( ( ~ ( subset @ SV23 @ SV34 )
          | ~ ( subset @ SV34 @ SV23 ) )
        = $true )
      | ( ( SV23 = SV34 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[186]) ).

thf(204,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[187]) ).

thf(205,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0 != SX1 )
          | ( subset @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[188]) ).

thf(206,plain,
    ! [SV25: $i] :
      ( ( ( SV25 = empty_set )
        = $false )
      | ( ( ! [SY65: $i] :
              ~ ( in @ SY65 @ SV25 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[190]) ).

thf(207,plain,
    ! [SV26: $i,SV35: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV26 )
              | ~ ~ ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV35 ) ) )
        = $true )
      | ( ( subset @ SV26 @ SV35 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[191]) ).

thf(208,plain,
    ! [SV36: $i,SV27: $i] :
      ( ( ( ~ ( subset @ SV27 @ SV36 ) )
        = $true )
      | ( ( ! [SY73: $i] :
              ( ~ ( in @ SY73 @ SV27 )
              | ( in @ SY73 @ SV36 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[192]) ).

thf(209,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
                | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
                | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
            | ~ ~ ( ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
                      | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
                  | ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
                      | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) ) ) )
        | ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[193]) ).

thf(210,plain,
    ! [SV38: $i,SV11: $i,SV42: $i] :
      ( ( ( SV42
         != ( set_intersection2 @ SV11 @ SV38 ) )
        | ~ ( ~ ! [SY79: $i] :
                  ( ~ ( in @ SY79 @ SV11 )
                  | ~ ( in @ SY79 @ SV38 )
                  | ( in @ SY79 @ SV42 ) )
            | ~ ~ ( ~ ! [SY80: $i] :
                        ( ~ ( in @ SY80 @ SV42 )
                        | ( in @ SY80 @ SV11 ) )
                  | ~ ! [SY81: $i] :
                        ( ~ ( in @ SY81 @ SV42 )
                        | ( in @ SY81 @ SV38 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[194]) ).

thf(211,plain,
    ! [SV39: $i,SV28: $i] :
      ( ( ( ( ( set_intersection2 @ SV28 @ SV39 )
           != empty_set ) )
        = $true )
      | ( ( disjoint @ SV28 @ SV39 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[195]) ).

thf(212,plain,
    ! [SV40: $i,SV29: $i] :
      ( ( ( ~ ( disjoint @ SV29 @ SV40 ) )
        = $true )
      | ( ( ( set_intersection2 @ SV29 @ SV40 )
          = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[196]) ).

thf(213,plain,
    ! [SV1: $i,SV18: $i,SV12: $i] :
      ( ( ( subset @ SV12 @ SV18 )
        = $false )
      | ( ( subset @ SV1 @ SV12 )
        = $false )
      | ( ( subset @ SV1 @ SV18 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[197]) ).

thf(214,plain,
    ! [SV31: $i,SV20: $i,SV43: $i] :
      ( ( ( ~ ( in @ SV43 @ ( set_intersection2 @ SV20 @ SV31 ) ) )
        = $true )
      | ( ( ~ ( disjoint @ SV20 @ SV31 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[200]) ).

thf(215,plain,
    ! [SV21: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV21 )
          | ~ ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV32 ) )
        = $false )
      | ( ( disjoint @ SV21 @ SV32 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[201]) ).

thf(216,plain,
    ! [SV33: $i,SV22: $i,SV44: $i] :
      ( ( ( ~ ( in @ SV44 @ SV22 )
          | ~ ( in @ SV44 @ SV33 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV33 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[202]) ).

thf(217,plain,
    ! [SV34: $i,SV23: $i] :
      ( ( ( ~ ( subset @ SV23 @ SV34 ) )
        = $true )
      | ( ( ~ ( subset @ SV34 @ SV23 ) )
        = $true )
      | ( ( SV23 = SV34 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[203]) ).

thf(218,plain,
    ! [SV45: $i] :
      ( ( ! [SY82: $i] :
            ( ( SV45 != SY82 )
            | ( subset @ SV45 @ SY82 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[204]) ).

thf(219,plain,
    ! [SV46: $i] :
      ( ( ! [SY83: $i] :
            ( ( SV46 != SY83 )
            | ( subset @ SY83 @ SV46 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[205]) ).

thf(220,plain,
    ! [SV25: $i,SV47: $i] :
      ( ( ( ~ ( in @ SV47 @ SV25 ) )
        = $true )
      | ( ( SV25 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[206]) ).

thf(221,plain,
    ! [SV26: $i,SV35: $i] :
      ( ( ( ~ ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV26 )
          | ~ ~ ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV35 ) )
        = $false )
      | ( ( subset @ SV26 @ SV35 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[207]) ).

thf(222,plain,
    ! [SV36: $i,SV27: $i] :
      ( ( ( subset @ SV27 @ SV36 )
        = $false )
      | ( ( ! [SY73: $i] :
              ( ~ ( in @ SY73 @ SV27 )
              | ( in @ SY73 @ SV36 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[208]) ).

thf(223,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
                  | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
                  | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
              | ~ ~ ( ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
                        | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
                    | ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
                        | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) ) ) ) )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[209]) ).

thf(224,plain,
    ! [SV38: $i,SV11: $i,SV42: $i] :
      ( ( ( ( SV42
           != ( set_intersection2 @ SV11 @ SV38 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY79: $i] :
                    ( ~ ( in @ SY79 @ SV11 )
                    | ~ ( in @ SY79 @ SV38 )
                    | ( in @ SY79 @ SV42 ) )
              | ~ ~ ( ~ ! [SY80: $i] :
                          ( ~ ( in @ SY80 @ SV42 )
                          | ( in @ SY80 @ SV11 ) )
                    | ~ ! [SY81: $i] :
                          ( ~ ( in @ SY81 @ SV42 )
                          | ( in @ SY81 @ SV38 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[210]) ).

thf(225,plain,
    ! [SV39: $i,SV28: $i] :
      ( ( ( ( set_intersection2 @ SV28 @ SV39 )
          = empty_set )
        = $false )
      | ( ( disjoint @ SV28 @ SV39 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[211]) ).

thf(226,plain,
    ! [SV40: $i,SV29: $i] :
      ( ( ( disjoint @ SV29 @ SV40 )
        = $false )
      | ( ( ( set_intersection2 @ SV29 @ SV40 )
          = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[212]) ).

thf(227,plain,
    ! [SV31: $i,SV20: $i,SV43: $i] :
      ( ( ( in @ SV43 @ ( set_intersection2 @ SV20 @ SV31 ) )
        = $false )
      | ( ( ~ ( disjoint @ SV20 @ SV31 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[214]) ).

thf(228,plain,
    ! [SV21: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV21 ) )
        = $false )
      | ( ( disjoint @ SV21 @ SV32 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[215]) ).

thf(229,plain,
    ! [SV21: $i,SV32: $i] :
      ( ( ( ~ ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV32 ) )
        = $false )
      | ( ( disjoint @ SV21 @ SV32 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[215]) ).

thf(230,plain,
    ! [SV33: $i,SV22: $i,SV44: $i] :
      ( ( ( ~ ( in @ SV44 @ SV22 ) )
        = $true )
      | ( ( ~ ( in @ SV44 @ SV33 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV33 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[216]) ).

thf(231,plain,
    ! [SV34: $i,SV23: $i] :
      ( ( ( subset @ SV23 @ SV34 )
        = $false )
      | ( ( ~ ( subset @ SV34 @ SV23 ) )
        = $true )
      | ( ( SV23 = SV34 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[217]) ).

thf(232,plain,
    ! [SV48: $i,SV45: $i] :
      ( ( ( SV45 != SV48 )
        | ( subset @ SV45 @ SV48 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[218]) ).

thf(233,plain,
    ! [SV49: $i,SV46: $i] :
      ( ( ( SV46 != SV49 )
        | ( subset @ SV49 @ SV46 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[219]) ).

thf(234,plain,
    ! [SV25: $i,SV47: $i] :
      ( ( ( in @ SV47 @ SV25 )
        = $false )
      | ( ( SV25 = empty_set )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[220]) ).

thf(235,plain,
    ! [SV26: $i,SV35: $i] :
      ( ( ( ~ ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV26 ) )
        = $false )
      | ( ( subset @ SV26 @ SV35 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[221]) ).

thf(236,plain,
    ! [SV26: $i,SV35: $i] :
      ( ( ( ~ ~ ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV35 ) )
        = $false )
      | ( ( subset @ SV26 @ SV35 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[221]) ).

thf(237,plain,
    ! [SV36: $i,SV27: $i,SV50: $i] :
      ( ( ( ~ ( in @ SV50 @ SV27 )
          | ( in @ SV50 @ SV36 ) )
        = $true )
      | ( ( subset @ SV27 @ SV36 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[222]) ).

thf(238,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
              | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
              | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
          | ~ ~ ( ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
                    | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
                | ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
                    | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) ) ) )
        = $false )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[223]) ).

thf(239,plain,
    ! [SV38: $i,SV11: $i,SV42: $i] :
      ( ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY79: $i] :
                    ( ~ ( in @ SY79 @ SV11 )
                    | ~ ( in @ SY79 @ SV38 )
                    | ( in @ SY79 @ SV42 ) )
              | ~ ~ ( ~ ! [SY80: $i] :
                          ( ~ ( in @ SY80 @ SV42 )
                          | ( in @ SY80 @ SV11 ) )
                    | ~ ! [SY81: $i] :
                          ( ~ ( in @ SY81 @ SV42 )
                          | ( in @ SY81 @ SV38 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[224]) ).

thf(240,plain,
    ! [SV43: $i,SV31: $i,SV20: $i] :
      ( ( ( disjoint @ SV20 @ SV31 )
        = $false )
      | ( ( in @ SV43 @ ( set_intersection2 @ SV20 @ SV31 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[227]) ).

thf(241,plain,
    ! [SV21: $i,SV32: $i] :
      ( ( ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV21 )
        = $true )
      | ( ( disjoint @ SV21 @ SV32 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[228]) ).

thf(242,plain,
    ! [SV21: $i,SV32: $i] :
      ( ( ( in @ ( sK8_C @ SV32 @ SV21 ) @ SV32 )
        = $true )
      | ( ( disjoint @ SV21 @ SV32 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[229]) ).

thf(243,plain,
    ! [SV33: $i,SV22: $i,SV44: $i] :
      ( ( ( in @ SV44 @ SV22 )
        = $false )
      | ( ( ~ ( in @ SV44 @ SV33 ) )
        = $true )
      | ( ( ~ ( disjoint @ SV22 @ SV33 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[230]) ).

thf(244,plain,
    ! [SV23: $i,SV34: $i] :
      ( ( ( subset @ SV34 @ SV23 )
        = $false )
      | ( ( subset @ SV23 @ SV34 )
        = $false )
      | ( ( SV23 = SV34 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[231]) ).

thf(245,plain,
    ! [SV48: $i,SV45: $i] :
      ( ( ( ( SV45 != SV48 ) )
        = $true )
      | ( ( subset @ SV45 @ SV48 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[232]) ).

thf(246,plain,
    ! [SV49: $i,SV46: $i] :
      ( ( ( ( SV46 != SV49 ) )
        = $true )
      | ( ( subset @ SV49 @ SV46 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[233]) ).

thf(247,plain,
    ! [SV26: $i,SV35: $i] :
      ( ( ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV26 )
        = $true )
      | ( ( subset @ SV26 @ SV35 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[235]) ).

thf(248,plain,
    ! [SV26: $i,SV35: $i] :
      ( ( ( ~ ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV35 ) )
        = $true )
      | ( ( subset @ SV26 @ SV35 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[236]) ).

thf(249,plain,
    ! [SV36: $i,SV27: $i,SV50: $i] :
      ( ( ( ~ ( in @ SV50 @ SV27 ) )
        = $true )
      | ( ( in @ SV50 @ SV36 )
        = $true )
      | ( ( subset @ SV27 @ SV36 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[237]) ).

thf(250,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
              | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
              | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) ) )
        = $false )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[238]) ).

thf(251,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
                    | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
                | ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
                    | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) ) ) )
        = $false )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[238]) ).

thf(252,plain,
    ! [SV42: $i,SV38: $i,SV11: $i] :
      ( ( ( ~ ! [SY79: $i] :
                ( ~ ( in @ SY79 @ SV11 )
                | ~ ( in @ SY79 @ SV38 )
                | ( in @ SY79 @ SV42 ) )
          | ~ ~ ( ~ ! [SY80: $i] :
                      ( ~ ( in @ SY80 @ SV42 )
                      | ( in @ SY80 @ SV11 ) )
                | ~ ! [SY81: $i] :
                      ( ~ ( in @ SY81 @ SV42 )
                      | ( in @ SY81 @ SV38 ) ) ) )
        = $false )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[239]) ).

thf(253,plain,
    ! [SV22: $i,SV33: $i,SV44: $i] :
      ( ( ( in @ SV44 @ SV33 )
        = $false )
      | ( ( in @ SV44 @ SV22 )
        = $false )
      | ( ( ~ ( disjoint @ SV22 @ SV33 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[243]) ).

thf(254,plain,
    ! [SV48: $i,SV45: $i] :
      ( ( ( SV45 = SV48 )
        = $false )
      | ( ( subset @ SV45 @ SV48 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[245]) ).

thf(255,plain,
    ! [SV49: $i,SV46: $i] :
      ( ( ( SV46 = SV49 )
        = $false )
      | ( ( subset @ SV49 @ SV46 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[246]) ).

thf(256,plain,
    ! [SV26: $i,SV35: $i] :
      ( ( ( in @ ( sK5_C @ SV35 @ SV26 ) @ SV35 )
        = $false )
      | ( ( subset @ SV26 @ SV35 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[248]) ).

thf(257,plain,
    ! [SV36: $i,SV27: $i,SV50: $i] :
      ( ( ( in @ SV50 @ SV27 )
        = $false )
      | ( ( in @ SV50 @ SV36 )
        = $true )
      | ( ( subset @ SV27 @ SV36 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[249]) ).

thf(258,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
          | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
          | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[250]) ).

thf(259,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
                  | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
              | ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
                  | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) ) ) )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[251]) ).

thf(260,plain,
    ! [SV42: $i,SV38: $i,SV11: $i] :
      ( ( ( ~ ! [SY79: $i] :
                ( ~ ( in @ SY79 @ SV11 )
                | ~ ( in @ SY79 @ SV38 )
                | ( in @ SY79 @ SV42 ) ) )
        = $false )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[252]) ).

thf(261,plain,
    ! [SV38: $i,SV11: $i,SV42: $i] :
      ( ( ( ~ ~ ( ~ ! [SY80: $i] :
                      ( ~ ( in @ SY80 @ SV42 )
                      | ( in @ SY80 @ SV11 ) )
                | ~ ! [SY81: $i] :
                      ( ~ ( in @ SY81 @ SV42 )
                      | ( in @ SY81 @ SV38 ) ) ) )
        = $false )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[252]) ).

thf(262,plain,
    ! [SV44: $i,SV33: $i,SV22: $i] :
      ( ( ( disjoint @ SV22 @ SV33 )
        = $false )
      | ( ( in @ SV44 @ SV22 )
        = $false )
      | ( ( in @ SV44 @ SV33 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[253]) ).

thf(263,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
          | ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 ) )
        = $true )
      | ( ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[258]) ).

thf(264,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
              | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
          | ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
              | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) ) )
        = $false )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[259]) ).

thf(265,plain,
    ! [SV42: $i,SV38: $i,SV11: $i] :
      ( ( ( ! [SY79: $i] :
              ( ~ ( in @ SY79 @ SV11 )
              | ~ ( in @ SY79 @ SV38 )
              | ( in @ SY79 @ SV42 ) ) )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[260]) ).

thf(266,plain,
    ! [SV38: $i,SV11: $i,SV42: $i] :
      ( ( ( ~ ( ~ ! [SY80: $i] :
                    ( ~ ( in @ SY80 @ SV42 )
                    | ( in @ SY80 @ SV11 ) )
              | ~ ! [SY81: $i] :
                    ( ~ ( in @ SY81 @ SV42 )
                    | ( in @ SY81 @ SV38 ) ) ) )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[261]) ).

thf(267,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 ) )
        = $true )
      | ( ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 ) )
        = $true )
      | ( ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[263]) ).

thf(268,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
              | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) ) )
        = $false )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[264]) ).

thf(269,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ~ ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
              | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) ) )
        = $false )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[264]) ).

thf(270,plain,
    ! [SV42: $i,SV38: $i,SV11: $i,SV51: $i] :
      ( ( ( ~ ( in @ SV51 @ SV11 )
          | ~ ( in @ SV51 @ SV38 )
          | ( in @ SV51 @ SV42 ) )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[265]) ).

thf(271,plain,
    ! [SV38: $i,SV11: $i,SV42: $i] :
      ( ( ( ~ ! [SY80: $i] :
                ( ~ ( in @ SY80 @ SV42 )
                | ( in @ SY80 @ SV11 ) )
          | ~ ! [SY81: $i] :
                ( ~ ( in @ SY81 @ SV42 )
                | ( in @ SY81 @ SV38 ) ) )
        = $false )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[266]) ).

thf(272,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
        = $false )
      | ( ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 ) )
        = $true )
      | ( ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[267]) ).

thf(273,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
          | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[268]) ).

thf(274,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
          | ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[269]) ).

thf(275,plain,
    ! [SV42: $i,SV38: $i,SV11: $i,SV51: $i] :
      ( ( ( ~ ( in @ SV51 @ SV11 )
          | ~ ( in @ SV51 @ SV38 ) )
        = $true )
      | ( ( in @ SV51 @ SV42 )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[270]) ).

thf(276,plain,
    ! [SV38: $i,SV11: $i,SV42: $i] :
      ( ( ( ~ ! [SY80: $i] :
                ( ~ ( in @ SY80 @ SV42 )
                | ( in @ SY80 @ SV11 ) ) )
        = $false )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[271]) ).

thf(277,plain,
    ! [SV11: $i,SV38: $i,SV42: $i] :
      ( ( ( ~ ! [SY81: $i] :
                ( ~ ( in @ SY81 @ SV42 )
                | ( in @ SY81 @ SV38 ) ) )
        = $false )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[271]) ).

thf(278,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
        = $false )
      | ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
        = $false )
      | ( ( ~ ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 ) )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[272]) ).

thf(279,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
        = $true )
      | ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[273]) ).

thf(280,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
        = $true )
      | ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 )
        = $true )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[274]) ).

thf(281,plain,
    ! [SV42: $i,SV38: $i,SV11: $i,SV51: $i] :
      ( ( ( ~ ( in @ SV51 @ SV11 ) )
        = $true )
      | ( ( ~ ( in @ SV51 @ SV38 ) )
        = $true )
      | ( ( in @ SV51 @ SV42 )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[275]) ).

thf(282,plain,
    ! [SV38: $i,SV11: $i,SV42: $i] :
      ( ( ( ! [SY80: $i] :
              ( ~ ( in @ SY80 @ SV42 )
              | ( in @ SY80 @ SV11 ) ) )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[276]) ).

thf(283,plain,
    ! [SV11: $i,SV38: $i,SV42: $i] :
      ( ( ( ! [SY81: $i] :
              ( ~ ( in @ SY81 @ SV42 )
              | ( in @ SY81 @ SV38 ) ) )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[277]) ).

thf(284,plain,
    ! [SV11: $i,SV37: $i,SV41: $i] :
      ( ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV41 )
        = $false )
      | ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV11 )
        = $false )
      | ( ( in @ ( sK4_D @ SV41 @ SV37 @ SV11 ) @ SV37 )
        = $false )
      | ( ( SV41
          = ( set_intersection2 @ SV11 @ SV37 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[278]) ).

thf(285,plain,
    ! [SV42: $i,SV38: $i,SV11: $i,SV51: $i] :
      ( ( ( in @ SV51 @ SV11 )
        = $false )
      | ( ( ~ ( in @ SV51 @ SV38 ) )
        = $true )
      | ( ( in @ SV51 @ SV42 )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[281]) ).

thf(286,plain,
    ! [SV38: $i,SV11: $i,SV42: $i,SV52: $i] :
      ( ( ( ~ ( in @ SV52 @ SV42 )
          | ( in @ SV52 @ SV11 ) )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[282]) ).

thf(287,plain,
    ! [SV11: $i,SV38: $i,SV42: $i,SV53: $i] :
      ( ( ( ~ ( in @ SV53 @ SV42 )
          | ( in @ SV53 @ SV38 ) )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[283]) ).

thf(288,plain,
    ! [SV42: $i,SV11: $i,SV38: $i,SV51: $i] :
      ( ( ( in @ SV51 @ SV38 )
        = $false )
      | ( ( in @ SV51 @ SV11 )
        = $false )
      | ( ( in @ SV51 @ SV42 )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[285]) ).

thf(289,plain,
    ! [SV38: $i,SV11: $i,SV42: $i,SV52: $i] :
      ( ( ( ~ ( in @ SV52 @ SV42 ) )
        = $true )
      | ( ( in @ SV52 @ SV11 )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[286]) ).

thf(290,plain,
    ! [SV11: $i,SV38: $i,SV42: $i,SV53: $i] :
      ( ( ( ~ ( in @ SV53 @ SV42 ) )
        = $true )
      | ( ( in @ SV53 @ SV38 )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[287]) ).

thf(291,plain,
    ! [SV38: $i,SV11: $i,SV42: $i,SV52: $i] :
      ( ( ( in @ SV52 @ SV42 )
        = $false )
      | ( ( in @ SV52 @ SV11 )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[289]) ).

thf(292,plain,
    ! [SV11: $i,SV38: $i,SV42: $i,SV53: $i] :
      ( ( ( in @ SV53 @ SV42 )
        = $false )
      | ( ( in @ SV53 @ SV38 )
        = $true )
      | ( ( SV42
          = ( set_intersection2 @ SV11 @ SV38 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[290]) ).

thf(293,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[80,292,291,288,284,280,279,262,257,256,255,254,247,244,242,241,240,234,226,225,213,199,198,189,180,179,161,142,121,111,106,105,104,101,91,84,82,81]) ).

thf(294,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[293]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SEU123+2 : TPTP v8.1.0. Released v3.3.0.
% 0.11/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.13/0.34  % Computer : n005.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jun 19 16:57:23 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.13/0.36  
% 0.13/0.36   No.of.Axioms: 22
% 0.13/0.36  
% 0.13/0.36   Length.of.Defs: 0
% 0.13/0.36  
% 0.13/0.36   Contains.Choice.Funs: false
% 0.13/0.37  .
% 0.13/0.37  (rf:0,axioms:22,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:600,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:24,loop_count:0,foatp_calls:0,translation:fof_full)..................
% 0.19/0.51  
% 0.19/0.51  ********************************
% 0.19/0.51  *   All subproblems solved!    *
% 0.19/0.51  ********************************
% 0.19/0.51  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:23,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:293,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.19/0.55  
% 0.19/0.55  %**** Beginning of derivation protocol ****
% 0.19/0.55  % SZS output start CNFRefutation
% See solution above
% 0.19/0.55  
% 0.19/0.55  %**** End of derivation protocol ****
% 0.19/0.55  %**** no. of clauses in derivation: 294 ****
% 0.19/0.55  %**** clause counter: 293 ****
% 0.19/0.55  
% 0.19/0.55  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:23,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:293,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------