TSTP Solution File: SEU125+1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU125+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n026.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 12:06:51 EDT 2022

% Result   : Theorem 49.69s 49.90s
% Output   : CNFRefutation 49.69s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :   30
% Syntax   : Number of formulae    :  198 ( 106 unt;  12 typ;   0 def)
%            Number of atoms       : 1104 ( 352 equ;   0 cnn)
%            Maximal formula atoms :    4 (   5 avg)
%            Number of connectives : 2327 ( 416   ~; 350   |;  26   &;1513   @)
%                                         (   6 <=>;  16  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   12 (  12   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   15 (  12 usr;   8 con; 0-3 aty)
%            Number of variables   :  452 (   0   ^ 448   !;   4   ?; 452   :)

% Comments : 
%------------------------------------------------------------------------------
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_SY30,type,
    sK2_SY30: $i ).

thf(tp_sK3_SY32,type,
    sK3_SY32: $i ).

thf(tp_sK4_A,type,
    sK4_A: $i ).

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

thf(tp_sK6_C,type,
    sK6_C: $i > $i > $i ).

thf(tp_sK7_D,type,
    sK7_D: $i > $i > $i > $i ).

thf(tp_set_union2,type,
    set_union2: $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/sandbox2/benchmark/theBenchmark.p',t8_boole) ).

thf(2,axiom,
    ! [A: $i,B: $i] :
      ~ ( ( in @ A @ B )
        & ( empty @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( empty @ A )
     => ( A = empty_set ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t6_boole) ).

thf(4,axiom,
    ! [A: $i] :
      ( ( set_union2 @ A @ empty_set )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_boole) ).

thf(5,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(6,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(7,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(8,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k2_xboole_0) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc3_xboole_0) ).

thf(10,axiom,
    ! [A: $i,B: $i] :
      ( ~ ( empty @ A )
     => ~ ( empty @ ( set_union2 @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_xboole_0) ).

thf(11,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(12,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k2_xboole_0) ).

thf(13,axiom,
    $true,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dt_k1_xboole_0) ).

thf(14,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ B )
    <=> ! [C: $i] :
          ( ( in @ C @ A )
         => ( in @ C @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d3_tarski) ).

thf(15,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_union2 @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            | ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_xboole_0) ).

thf(16,axiom,
    ! [A: $i,B: $i] :
      ( ( set_union2 @ A @ B )
      = ( set_union2 @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

thf(17,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(18,conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( subset @ A @ B )
        & ( subset @ C @ B ) )
     => ( subset @ ( set_union2 @ A @ C ) @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t8_xboole_1) ).

thf(19,negated_conjecture,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ C @ B ) )
         => ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[18]) ).

thf(20,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( ( subset @ A @ B )
            & ( subset @ C @ B ) )
         => ( subset @ ( set_union2 @ A @ C ) @ B ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(21,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( empty @ A )
            & ( A != B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(22,plain,
    ( ( ! [A: $i,B: $i] :
          ~ ( ( in @ A @ B )
            & ( empty @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

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

thf(24,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

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

thf(26,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(27,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(28,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(29,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
         => ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(30,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ A )
         => ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(31,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(32,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[12]) ).

thf(33,plain,
    $true = $true,
    inference(unfold_def,[status(thm)],[13]) ).

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

thf(35,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_union2 @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                | ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15]) ).

thf(36,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ B )
          = ( set_union2 @ 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,
    ( ( ! [SY30: $i,SY31: $i] :
          ( ( ( subset @ sK1_A @ SY30 )
            & ( subset @ SY31 @ SY30 ) )
         => ( subset @ ( set_union2 @ sK1_A @ SY31 ) @ SY30 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[20]) ).

thf(39,plain,
    ( ( ! [SY32: $i] :
          ( ( ( subset @ sK1_A @ sK2_SY30 )
            & ( subset @ SY32 @ sK2_SY30 ) )
         => ( subset @ ( set_union2 @ sK1_A @ SY32 ) @ sK2_SY30 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[38]) ).

thf(40,plain,
    ( ( ( ( subset @ sK1_A @ sK2_SY30 )
        & ( subset @ sK3_SY32 @ sK2_SY30 ) )
     => ( subset @ ( set_union2 @ sK1_A @ sK3_SY32 ) @ sK2_SY30 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[39]) ).

thf(41,plain,
    ( ( subset @ sK1_A @ sK2_SY30 )
    = $true ),
    inference(standard_cnf,[status(thm)],[40]) ).

thf(42,plain,
    ( ( subset @ sK3_SY32 @ sK2_SY30 )
    = $true ),
    inference(standard_cnf,[status(thm)],[40]) ).

thf(43,plain,
    ( ( subset @ ( set_union2 @ sK1_A @ sK3_SY32 ) @ sK2_SY30 )
    = $false ),
    inference(standard_cnf,[status(thm)],[40]) ).

thf(44,plain,
    ( ( ~ ( subset @ ( set_union2 @ sK1_A @ sK3_SY32 ) @ sK2_SY30 ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[43]) ).

thf(45,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[21]) ).

thf(46,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[22]) ).

thf(47,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[23]) ).

thf(48,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[25]) ).

thf(49,plain,
    ( ( ~ ( empty @ sK4_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[26]) ).

thf(50,plain,
    ( ( empty @ sK5_A )
    = $true ),
    inference(extcnf_combined,[status(esa)],[27]) ).

thf(51,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[28]) ).

thf(52,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[29]) ).

thf(53,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[30]) ).

thf(54,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK6_C @ B @ A ) @ A )
            & ~ ( in @ ( sK6_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)],[34]) ).

thf(55,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK7_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK7_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK7_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK7_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK7_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK7_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK7_D @ C @ B @ A ) @ B ) ) )
              | ( C
                = ( set_union2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_union2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A )
                    | ( in @ D @ B ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[35]) ).

thf(56,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[37]) ).

thf(57,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[56]) ).

thf(58,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( set_union2 @ A @ B )
          = ( set_union2 @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[36]) ).

thf(59,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK7_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK7_D @ C @ B @ A ) @ A ) )
                & ( ~ ( in @ ( sK7_D @ C @ B @ A ) @ C )
                  | ~ ( in @ ( sK7_D @ C @ B @ A ) @ B ) )
                & ( ( in @ ( sK7_D @ C @ B @ A ) @ C )
                  | ( in @ ( sK7_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK7_D @ C @ B @ A ) @ B ) ) )
              | ( C
                = ( set_union2 @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_union2 @ A @ B ) )
              | ( ! [D: $i] :
                    ( ~ ( in @ D @ C )
                    | ( in @ D @ A )
                    | ( in @ D @ B ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ A )
                    | ( in @ D @ C ) )
                & ! [D: $i] :
                    ( ~ ( in @ D @ B )
                    | ( in @ D @ C ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[55]) ).

thf(60,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK6_C @ B @ A ) @ A )
            & ~ ( in @ ( sK6_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)],[54]) ).

thf(61,plain,
    $true = $true,
    inference(copy,[status(thm)],[33]) ).

thf(62,plain,
    $true = $true,
    inference(copy,[status(thm)],[32]) ).

thf(63,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[31]) ).

thf(64,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[53]) ).

thf(65,plain,
    ( ( ! [A: $i] :
          ( ( empty @ A )
          | ! [B: $i] :
              ~ ( empty @ ( set_union2 @ B @ A ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[52]) ).

thf(66,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ A )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[51]) ).

thf(67,plain,
    ( ( empty @ sK5_A )
    = $true ),
    inference(copy,[status(thm)],[50]) ).

thf(68,plain,
    ( ( ~ ( empty @ sK4_A ) )
    = $true ),
    inference(copy,[status(thm)],[49]) ).

thf(69,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[48]) ).

thf(70,plain,
    ( ( ! [A: $i] :
          ( ( set_union2 @ A @ empty_set )
          = A ) )
    = $true ),
    inference(copy,[status(thm)],[24]) ).

thf(71,plain,
    ( ( ! [A: $i] :
          ( ~ ( empty @ A )
          | ( A = empty_set ) ) )
    = $true ),
    inference(copy,[status(thm)],[47]) ).

thf(72,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( empty @ B )
          | ~ ( in @ A @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[46]) ).

thf(73,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( A = B )
          | ~ ( empty @ A )
          | ~ ( empty @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[45]) ).

thf(74,plain,
    ( ( subset @ sK3_SY32 @ sK2_SY30 )
    = $true ),
    inference(copy,[status(thm)],[42]) ).

thf(75,plain,
    ( ( subset @ sK1_A @ sK2_SY30 )
    = $true ),
    inference(copy,[status(thm)],[41]) ).

thf(76,plain,
    ( ( ~ ( subset @ ( set_union2 @ sK1_A @ sK3_SY32 ) @ sK2_SY30 ) )
    = $true ),
    inference(copy,[status(thm)],[44]) ).

thf(77,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK7_D @ SX2 @ SX1 @ SX0 ) @ SX0 ) )
                            | ~ ( ~ ( in @ ( sK7_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                                | ~ ( in @ ( sK7_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) )
                      | ~ ( ( in @ ( sK7_D @ SX2 @ SX1 @ SX0 ) @ SX2 )
                          | ( in @ ( sK7_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK7_D @ SX2 @ SX1 @ SX0 ) @ SX1 ) ) )
                  | ( SX2
                    = ( set_union2 @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_union2 @ SX0 @ SX1 ) )
                  | ~ ( ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SX2 )
                            | ( in @ SX3 @ SX0 )
                            | ( in @ SX3 @ SX1 ) )
                      | ~ ~ ( ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX0 )
                                  | ( in @ SX3 @ SX2 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SX1 )
                                  | ( in @ SX3 @ SX2 ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[59]) ).

thf(78,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( in @ ( sK6_C @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( in @ ( sK6_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)],[60]) ).

thf(79,plain,
    ! [SV1: $i] :
      ( ( ! [SY33: $i] :
            ( ~ ( in @ SV1 @ SY33 )
            | ~ ( in @ SY33 @ SV1 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[57]) ).

thf(80,plain,
    ! [SV2: $i] :
      ( ( ! [SY34: $i] :
            ( ( set_union2 @ SV2 @ SY34 )
            = ( set_union2 @ SY34 @ SV2 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[58]) ).

thf(81,plain,
    ! [SV3: $i] :
      ( ( ( empty @ SV3 )
        | ! [SY35: $i] :
            ~ ( empty @ ( set_union2 @ SV3 @ SY35 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[64]) ).

thf(82,plain,
    ! [SV4: $i] :
      ( ( ( empty @ SV4 )
        | ! [SY36: $i] :
            ~ ( empty @ ( set_union2 @ SY36 @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[65]) ).

thf(83,plain,
    ! [SV5: $i] :
      ( ( ( set_union2 @ SV5 @ SV5 )
        = SV5 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[66]) ).

thf(84,plain,
    ( ( empty @ sK4_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[68]) ).

thf(85,plain,
    ! [SV6: $i] :
      ( ( subset @ SV6 @ SV6 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[69]) ).

thf(86,plain,
    ! [SV7: $i] :
      ( ( ( set_union2 @ SV7 @ empty_set )
        = SV7 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[70]) ).

thf(87,plain,
    ! [SV8: $i] :
      ( ( ~ ( empty @ SV8 )
        | ( SV8 = empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[71]) ).

thf(88,plain,
    ! [SV9: $i] :
      ( ( ! [SY37: $i] :
            ( ~ ( empty @ SY37 )
            | ~ ( in @ SV9 @ SY37 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[72]) ).

thf(89,plain,
    ! [SV10: $i] :
      ( ( ! [SY38: $i] :
            ( ( SV10 = SY38 )
            | ~ ( empty @ SV10 )
            | ~ ( empty @ SY38 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[73]) ).

thf(90,plain,
    ( ( subset @ ( set_union2 @ sK1_A @ sK3_SY32 ) @ sK2_SY30 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[76]) ).

thf(91,plain,
    ! [SV11: $i] :
      ( ( ~ ( ~ ! [SY39: $i,SY40: $i] :
                  ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                                | ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SV11 ) )
                            | ~ ( ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                                | ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY39 ) ) )
                      | ~ ( ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                          | ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SV11 )
                          | ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY39 ) ) )
                  | ( SY40
                    = ( set_union2 @ SV11 @ SY39 ) ) )
            | ~ ! [SY41: $i,SY42: $i] :
                  ( ( SY42
                   != ( set_union2 @ SV11 @ SY41 ) )
                  | ~ ( ~ ! [SY43: $i] :
                            ( ~ ( in @ SY43 @ SY42 )
                            | ( in @ SY43 @ SV11 )
                            | ( in @ SY43 @ SY41 ) )
                      | ~ ~ ( ~ ! [SY44: $i] :
                                  ( ~ ( in @ SY44 @ SV11 )
                                  | ( in @ SY44 @ SY42 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY41 )
                                  | ( in @ SX3 @ SY42 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[77]) ).

thf(92,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK6_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK6_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)],[78]) ).

thf(93,plain,
    ! [SV12: $i,SV1: $i] :
      ( ( ~ ( in @ SV1 @ SV12 )
        | ~ ( in @ SV12 @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[79]) ).

thf(94,plain,
    ! [SV13: $i,SV2: $i] :
      ( ( ( set_union2 @ SV2 @ SV13 )
        = ( set_union2 @ SV13 @ SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[80]) ).

thf(95,plain,
    ! [SV3: $i] :
      ( ( ( empty @ SV3 )
        = $true )
      | ( ( ! [SY35: $i] :
              ~ ( empty @ ( set_union2 @ SV3 @ SY35 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[81]) ).

thf(96,plain,
    ! [SV4: $i] :
      ( ( ( empty @ SV4 )
        = $true )
      | ( ( ! [SY36: $i] :
              ~ ( empty @ ( set_union2 @ SY36 @ SV4 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[82]) ).

thf(97,plain,
    ! [SV8: $i] :
      ( ( ( ~ ( empty @ SV8 ) )
        = $true )
      | ( ( SV8 = empty_set )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[87]) ).

thf(98,plain,
    ! [SV9: $i,SV14: $i] :
      ( ( ~ ( empty @ SV14 )
        | ~ ( in @ SV9 @ SV14 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[88]) ).

thf(99,plain,
    ! [SV15: $i,SV10: $i] :
      ( ( ( SV10 = SV15 )
        | ~ ( empty @ SV10 )
        | ~ ( empty @ SV15 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[89]) ).

thf(100,plain,
    ! [SV11: $i] :
      ( ( ~ ! [SY39: $i,SY40: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                            | ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SV11 ) )
                        | ~ ( ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                            | ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY39 ) ) )
                  | ~ ( ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                      | ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SV11 )
                      | ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY39 ) ) )
              | ( SY40
                = ( set_union2 @ SV11 @ SY39 ) ) )
        | ~ ! [SY41: $i,SY42: $i] :
              ( ( SY42
               != ( set_union2 @ SV11 @ SY41 ) )
              | ~ ( ~ ! [SY43: $i] :
                        ( ~ ( in @ SY43 @ SY42 )
                        | ( in @ SY43 @ SV11 )
                        | ( in @ SY43 @ SY41 ) )
                  | ~ ~ ( ~ ! [SY44: $i] :
                              ( ~ ( in @ SY44 @ SV11 )
                              | ( in @ SY44 @ SY42 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY41 )
                              | ( in @ SX3 @ SY42 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[91]) ).

thf(101,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( in @ ( sK6_C @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( in @ ( sK6_C @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[92]) ).

thf(102,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( in @ SX2 @ SX0 )
                | ( in @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[92]) ).

thf(103,plain,
    ! [SV12: $i,SV1: $i] :
      ( ( ( ~ ( in @ SV1 @ SV12 ) )
        = $true )
      | ( ( ~ ( in @ SV12 @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[93]) ).

thf(104,plain,
    ! [SV16: $i,SV3: $i] :
      ( ( ( ~ ( empty @ ( set_union2 @ SV3 @ SV16 ) ) )
        = $true )
      | ( ( empty @ SV3 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[95]) ).

thf(105,plain,
    ! [SV4: $i,SV17: $i] :
      ( ( ( ~ ( empty @ ( set_union2 @ SV17 @ SV4 ) ) )
        = $true )
      | ( ( empty @ SV4 )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[96]) ).

thf(106,plain,
    ! [SV8: $i] :
      ( ( ( empty @ SV8 )
        = $false )
      | ( ( SV8 = empty_set )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[97]) ).

thf(107,plain,
    ! [SV9: $i,SV14: $i] :
      ( ( ( ~ ( empty @ SV14 ) )
        = $true )
      | ( ( ~ ( in @ SV9 @ SV14 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[98]) ).

thf(108,plain,
    ! [SV15: $i,SV10: $i] :
      ( ( ( ( SV10 = SV15 )
          | ~ ( empty @ SV10 ) )
        = $true )
      | ( ( ~ ( empty @ SV15 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[99]) ).

thf(109,plain,
    ! [SV11: $i] :
      ( ( ~ ! [SY39: $i,SY40: $i] :
              ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                            | ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SV11 ) )
                        | ~ ( ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                            | ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY39 ) ) )
                  | ~ ( ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                      | ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SV11 )
                      | ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY39 ) ) )
              | ( SY40
                = ( set_union2 @ SV11 @ SY39 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(110,plain,
    ! [SV11: $i] :
      ( ( ~ ! [SY41: $i,SY42: $i] :
              ( ( SY42
               != ( set_union2 @ SV11 @ SY41 ) )
              | ~ ( ~ ! [SY43: $i] :
                        ( ~ ( in @ SY43 @ SY42 )
                        | ( in @ SY43 @ SV11 )
                        | ( in @ SY43 @ SY41 ) )
                  | ~ ~ ( ~ ! [SY44: $i] :
                              ( ~ ( in @ SY44 @ SV11 )
                              | ( in @ SY44 @ SY42 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY41 )
                              | ( in @ SX3 @ SY42 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[100]) ).

thf(111,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( in @ ( sK6_C @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( in @ ( sK6_C @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[101]) ).

thf(112,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( in @ SX2 @ SX0 )
              | ( in @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[102]) ).

thf(113,plain,
    ! [SV12: $i,SV1: $i] :
      ( ( ( in @ SV1 @ SV12 )
        = $false )
      | ( ( ~ ( in @ SV12 @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[103]) ).

thf(114,plain,
    ! [SV16: $i,SV3: $i] :
      ( ( ( empty @ ( set_union2 @ SV3 @ SV16 ) )
        = $false )
      | ( ( empty @ SV3 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[104]) ).

thf(115,plain,
    ! [SV4: $i,SV17: $i] :
      ( ( ( empty @ ( set_union2 @ SV17 @ SV4 ) )
        = $false )
      | ( ( empty @ SV4 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[105]) ).

thf(116,plain,
    ! [SV9: $i,SV14: $i] :
      ( ( ( empty @ SV14 )
        = $false )
      | ( ( ~ ( in @ SV9 @ SV14 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[107]) ).

thf(117,plain,
    ! [SV15: $i,SV10: $i] :
      ( ( ( SV10 = SV15 )
        = $true )
      | ( ( ~ ( empty @ SV10 ) )
        = $true )
      | ( ( ~ ( empty @ SV15 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[108]) ).

thf(118,plain,
    ! [SV11: $i] :
      ( ( ! [SY39: $i,SY40: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                          | ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SV11 ) )
                      | ~ ( ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                          | ~ ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY39 ) ) )
                | ~ ( ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY40 )
                    | ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SV11 )
                    | ( in @ ( sK7_D @ SY40 @ SY39 @ SV11 ) @ SY39 ) ) )
            | ( SY40
              = ( set_union2 @ SV11 @ SY39 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[109]) ).

thf(119,plain,
    ! [SV11: $i] :
      ( ( ! [SY41: $i,SY42: $i] :
            ( ( SY42
             != ( set_union2 @ SV11 @ SY41 ) )
            | ~ ( ~ ! [SY43: $i] :
                      ( ~ ( in @ SY43 @ SY42 )
                      | ( in @ SY43 @ SV11 )
                      | ( in @ SY43 @ SY41 ) )
                | ~ ~ ( ~ ! [SY44: $i] :
                            ( ~ ( in @ SY44 @ SV11 )
                            | ( in @ SY44 @ SY42 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY41 )
                            | ( in @ SX3 @ SY42 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[110]) ).

thf(120,plain,
    ! [SV18: $i] :
      ( ( ! [SY46: $i] :
            ( ~ ( ~ ( in @ ( sK6_C @ SY46 @ SV18 ) @ SV18 )
                | ~ ~ ( in @ ( sK6_C @ SY46 @ SV18 ) @ SY46 ) )
            | ( subset @ SV18 @ SY46 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[111]) ).

thf(121,plain,
    ! [SV19: $i] :
      ( ( ! [SY47: $i] :
            ( ~ ( subset @ SV19 @ SY47 )
            | ! [SY48: $i] :
                ( ~ ( in @ SY48 @ SV19 )
                | ( in @ SY48 @ SY47 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[112]) ).

thf(122,plain,
    ! [SV1: $i,SV12: $i] :
      ( ( ( in @ SV12 @ SV1 )
        = $false )
      | ( ( in @ SV1 @ SV12 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[113]) ).

thf(123,plain,
    ! [SV14: $i,SV9: $i] :
      ( ( ( in @ SV9 @ SV14 )
        = $false )
      | ( ( empty @ SV14 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[116]) ).

thf(124,plain,
    ! [SV15: $i,SV10: $i] :
      ( ( ( empty @ SV10 )
        = $false )
      | ( ( SV10 = SV15 )
        = $true )
      | ( ( ~ ( empty @ SV15 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[117]) ).

thf(125,plain,
    ! [SV11: $i,SV20: $i] :
      ( ( ! [SY49: $i] :
            ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SY49 @ SV20 @ SV11 ) @ SY49 )
                          | ~ ( in @ ( sK7_D @ SY49 @ SV20 @ SV11 ) @ SV11 ) )
                      | ~ ( ~ ( in @ ( sK7_D @ SY49 @ SV20 @ SV11 ) @ SY49 )
                          | ~ ( in @ ( sK7_D @ SY49 @ SV20 @ SV11 ) @ SV20 ) ) )
                | ~ ( ( in @ ( sK7_D @ SY49 @ SV20 @ SV11 ) @ SY49 )
                    | ( in @ ( sK7_D @ SY49 @ SV20 @ SV11 ) @ SV11 )
                    | ( in @ ( sK7_D @ SY49 @ SV20 @ SV11 ) @ SV20 ) ) )
            | ( SY49
              = ( set_union2 @ SV11 @ SV20 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[118]) ).

thf(126,plain,
    ! [SV21: $i,SV11: $i] :
      ( ( ! [SY50: $i] :
            ( ( SY50
             != ( set_union2 @ SV11 @ SV21 ) )
            | ~ ( ~ ! [SY51: $i] :
                      ( ~ ( in @ SY51 @ SY50 )
                      | ( in @ SY51 @ SV11 )
                      | ( in @ SY51 @ SV21 ) )
                | ~ ~ ( ~ ! [SY44: $i] :
                            ( ~ ( in @ SY44 @ SV11 )
                            | ( in @ SY44 @ SY50 ) )
                      | ~ ! [SY53: $i] :
                            ( ~ ( in @ SY53 @ SV21 )
                            | ( in @ SY53 @ SY50 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[119]) ).

thf(127,plain,
    ! [SV18: $i,SV22: $i] :
      ( ( ~ ( ~ ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV18 )
            | ~ ~ ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV22 ) )
        | ( subset @ SV18 @ SV22 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[120]) ).

thf(128,plain,
    ! [SV23: $i,SV19: $i] :
      ( ( ~ ( subset @ SV19 @ SV23 )
        | ! [SY54: $i] :
            ( ~ ( in @ SY54 @ SV19 )
            | ( in @ SY54 @ SV23 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[121]) ).

thf(129,plain,
    ! [SV10: $i,SV15: $i] :
      ( ( ( empty @ SV15 )
        = $false )
      | ( ( SV10 = SV15 )
        = $true )
      | ( ( empty @ SV10 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[124]) ).

thf(130,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                      | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) )
                  | ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                      | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) )
            | ~ ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 )
                | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) )
        | ( SV24
          = ( set_union2 @ SV11 @ SV20 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[125]) ).

thf(131,plain,
    ! [SV21: $i,SV11: $i,SV25: $i] :
      ( ( ( SV25
         != ( set_union2 @ SV11 @ SV21 ) )
        | ~ ( ~ ! [SY55: $i] :
                  ( ~ ( in @ SY55 @ SV25 )
                  | ( in @ SY55 @ SV11 )
                  | ( in @ SY55 @ SV21 ) )
            | ~ ~ ( ~ ! [SY56: $i] :
                        ( ~ ( in @ SY56 @ SV11 )
                        | ( in @ SY56 @ SV25 ) )
                  | ~ ! [SY57: $i] :
                        ( ~ ( in @ SY57 @ SV21 )
                        | ( in @ SY57 @ SV25 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[126]) ).

thf(132,plain,
    ! [SV18: $i,SV22: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV18 )
              | ~ ~ ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV22 ) ) )
        = $true )
      | ( ( subset @ SV18 @ SV22 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[127]) ).

thf(133,plain,
    ! [SV23: $i,SV19: $i] :
      ( ( ( ~ ( subset @ SV19 @ SV23 ) )
        = $true )
      | ( ( ! [SY54: $i] :
              ( ~ ( in @ SY54 @ SV19 )
              | ( in @ SY54 @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[128]) ).

thf(134,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                        | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) )
                    | ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                        | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) )
              | ~ ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                  | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 )
                  | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[130]) ).

thf(135,plain,
    ! [SV21: $i,SV11: $i,SV25: $i] :
      ( ( ( ( SV25
           != ( set_union2 @ SV11 @ SV21 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY55: $i] :
                    ( ~ ( in @ SY55 @ SV25 )
                    | ( in @ SY55 @ SV11 )
                    | ( in @ SY55 @ SV21 ) )
              | ~ ~ ( ~ ! [SY56: $i] :
                          ( ~ ( in @ SY56 @ SV11 )
                          | ( in @ SY56 @ SV25 ) )
                    | ~ ! [SY57: $i] :
                          ( ~ ( in @ SY57 @ SV21 )
                          | ( in @ SY57 @ SV25 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[131]) ).

thf(136,plain,
    ! [SV18: $i,SV22: $i] :
      ( ( ( ~ ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV18 )
          | ~ ~ ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV22 ) )
        = $false )
      | ( ( subset @ SV18 @ SV22 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[132]) ).

thf(137,plain,
    ! [SV23: $i,SV19: $i] :
      ( ( ( subset @ SV19 @ SV23 )
        = $false )
      | ( ( ! [SY54: $i] :
              ( ~ ( in @ SY54 @ SV19 )
              | ( in @ SY54 @ SV23 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[133]) ).

thf(138,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                    | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) )
                | ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                    | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) )
          | ~ ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
              | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 )
              | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) )
        = $false )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[134]) ).

thf(139,plain,
    ! [SV21: $i,SV11: $i,SV25: $i] :
      ( ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY55: $i] :
                    ( ~ ( in @ SY55 @ SV25 )
                    | ( in @ SY55 @ SV11 )
                    | ( in @ SY55 @ SV21 ) )
              | ~ ~ ( ~ ! [SY56: $i] :
                          ( ~ ( in @ SY56 @ SV11 )
                          | ( in @ SY56 @ SV25 ) )
                    | ~ ! [SY57: $i] :
                          ( ~ ( in @ SY57 @ SV21 )
                          | ( in @ SY57 @ SV25 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[135]) ).

thf(140,plain,
    ! [SV18: $i,SV22: $i] :
      ( ( ( ~ ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV18 ) )
        = $false )
      | ( ( subset @ SV18 @ SV22 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[136]) ).

thf(141,plain,
    ! [SV18: $i,SV22: $i] :
      ( ( ( ~ ~ ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV22 ) )
        = $false )
      | ( ( subset @ SV18 @ SV22 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[136]) ).

thf(142,plain,
    ! [SV23: $i,SV19: $i,SV26: $i] :
      ( ( ( ~ ( in @ SV26 @ SV19 )
          | ( in @ SV26 @ SV23 ) )
        = $true )
      | ( ( subset @ SV19 @ SV23 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[137]) ).

thf(143,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ~ ( ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                    | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) )
                | ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                    | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) ) )
        = $false )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[138]) ).

thf(144,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
              | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 )
              | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) )
        = $false )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[138]) ).

thf(145,plain,
    ! [SV21: $i,SV11: $i,SV25: $i] :
      ( ( ( ~ ! [SY55: $i] :
                ( ~ ( in @ SY55 @ SV25 )
                | ( in @ SY55 @ SV11 )
                | ( in @ SY55 @ SV21 ) )
          | ~ ~ ( ~ ! [SY56: $i] :
                      ( ~ ( in @ SY56 @ SV11 )
                      | ( in @ SY56 @ SV25 ) )
                | ~ ! [SY57: $i] :
                      ( ~ ( in @ SY57 @ SV21 )
                      | ( in @ SY57 @ SV25 ) ) ) )
        = $false )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[139]) ).

thf(146,plain,
    ! [SV18: $i,SV22: $i] :
      ( ( ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV18 )
        = $true )
      | ( ( subset @ SV18 @ SV22 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[140]) ).

thf(147,plain,
    ! [SV18: $i,SV22: $i] :
      ( ( ( ~ ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV22 ) )
        = $true )
      | ( ( subset @ SV18 @ SV22 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[141]) ).

thf(148,plain,
    ! [SV23: $i,SV19: $i,SV26: $i] :
      ( ( ( ~ ( in @ SV26 @ SV19 ) )
        = $true )
      | ( ( in @ SV26 @ SV23 )
        = $true )
      | ( ( subset @ SV19 @ SV23 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[142]) ).

thf(149,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                  | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) )
              | ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
                  | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[143]) ).

thf(150,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
          | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 )
          | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[144]) ).

thf(151,plain,
    ! [SV21: $i,SV11: $i,SV25: $i] :
      ( ( ( ~ ! [SY55: $i] :
                ( ~ ( in @ SY55 @ SV25 )
                | ( in @ SY55 @ SV11 )
                | ( in @ SY55 @ SV21 ) ) )
        = $false )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[145]) ).

thf(152,plain,
    ! [SV21: $i,SV25: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ! [SY56: $i] :
                      ( ~ ( in @ SY56 @ SV11 )
                      | ( in @ SY56 @ SV25 ) )
                | ~ ! [SY57: $i] :
                      ( ~ ( in @ SY57 @ SV21 )
                      | ( in @ SY57 @ SV25 ) ) ) )
        = $false )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[145]) ).

thf(153,plain,
    ! [SV18: $i,SV22: $i] :
      ( ( ( in @ ( sK6_C @ SV22 @ SV18 ) @ SV22 )
        = $false )
      | ( ( subset @ SV18 @ SV22 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[147]) ).

thf(154,plain,
    ! [SV23: $i,SV19: $i,SV26: $i] :
      ( ( ( in @ SV26 @ SV19 )
        = $false )
      | ( ( in @ SV26 @ SV23 )
        = $true )
      | ( ( subset @ SV19 @ SV23 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[148]) ).

thf(155,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
              | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) )
          | ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
              | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) )
        = $false )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[149]) ).

thf(156,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
        = $true )
      | ( ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 )
          | ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[150]) ).

thf(157,plain,
    ! [SV21: $i,SV11: $i,SV25: $i] :
      ( ( ( ! [SY55: $i] :
              ( ~ ( in @ SY55 @ SV25 )
              | ( in @ SY55 @ SV11 )
              | ( in @ SY55 @ SV21 ) ) )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[151]) ).

thf(158,plain,
    ! [SV21: $i,SV25: $i,SV11: $i] :
      ( ( ( ~ ( ~ ! [SY56: $i] :
                    ( ~ ( in @ SY56 @ SV11 )
                    | ( in @ SY56 @ SV25 ) )
              | ~ ! [SY57: $i] :
                    ( ~ ( in @ SY57 @ SV21 )
                    | ( in @ SY57 @ SV25 ) ) ) )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[152]) ).

thf(159,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
              | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) ) )
        = $false )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[155]) ).

thf(160,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
              | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) ) )
        = $false )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[155]) ).

thf(161,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 )
        = $true )
      | ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 )
        = $true )
      | ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[156]) ).

thf(162,plain,
    ! [SV21: $i,SV11: $i,SV25: $i,SV27: $i] :
      ( ( ( ~ ( in @ SV27 @ SV25 )
          | ( in @ SV27 @ SV11 )
          | ( in @ SV27 @ SV21 ) )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[157]) ).

thf(163,plain,
    ! [SV21: $i,SV25: $i,SV11: $i] :
      ( ( ( ~ ! [SY56: $i] :
                ( ~ ( in @ SY56 @ SV11 )
                | ( in @ SY56 @ SV25 ) )
          | ~ ! [SY57: $i] :
                ( ~ ( in @ SY57 @ SV21 )
                | ( in @ SY57 @ SV25 ) ) )
        = $false )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[158]) ).

thf(164,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
          | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[159]) ).

thf(165,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
          | ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[160]) ).

thf(166,plain,
    ! [SV21: $i,SV11: $i,SV25: $i,SV27: $i] :
      ( ( ( ~ ( in @ SV27 @ SV25 ) )
        = $true )
      | ( ( ( in @ SV27 @ SV11 )
          | ( in @ SV27 @ SV21 ) )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[162]) ).

thf(167,plain,
    ! [SV21: $i,SV25: $i,SV11: $i] :
      ( ( ( ~ ! [SY56: $i] :
                ( ~ ( in @ SY56 @ SV11 )
                | ( in @ SY56 @ SV25 ) ) )
        = $false )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[163]) ).

thf(168,plain,
    ! [SV11: $i,SV25: $i,SV21: $i] :
      ( ( ( ~ ! [SY57: $i] :
                ( ~ ( in @ SY57 @ SV21 )
                | ( in @ SY57 @ SV25 ) ) )
        = $false )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[163]) ).

thf(169,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 ) )
        = $true )
      | ( ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[164]) ).

thf(170,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 ) )
        = $true )
      | ( ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[165]) ).

thf(171,plain,
    ! [SV21: $i,SV11: $i,SV25: $i,SV27: $i] :
      ( ( ( in @ SV27 @ SV25 )
        = $false )
      | ( ( ( in @ SV27 @ SV11 )
          | ( in @ SV27 @ SV21 ) )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[166]) ).

thf(172,plain,
    ! [SV21: $i,SV25: $i,SV11: $i] :
      ( ( ( ! [SY56: $i] :
              ( ~ ( in @ SY56 @ SV11 )
              | ( in @ SY56 @ SV25 ) ) )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[167]) ).

thf(173,plain,
    ! [SV11: $i,SV25: $i,SV21: $i] :
      ( ( ( ! [SY57: $i] :
              ( ~ ( in @ SY57 @ SV21 )
              | ( in @ SY57 @ SV25 ) ) )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[168]) ).

thf(174,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
        = $false )
      | ( ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[169]) ).

thf(175,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
        = $false )
      | ( ( ~ ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 ) )
        = $true )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[170]) ).

thf(176,plain,
    ! [SV25: $i,SV21: $i,SV11: $i,SV27: $i] :
      ( ( ( in @ SV27 @ SV11 )
        = $true )
      | ( ( in @ SV27 @ SV21 )
        = $true )
      | ( ( in @ SV27 @ SV25 )
        = $false )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[171]) ).

thf(177,plain,
    ! [SV21: $i,SV25: $i,SV11: $i,SV28: $i] :
      ( ( ( ~ ( in @ SV28 @ SV11 )
          | ( in @ SV28 @ SV25 ) )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[172]) ).

thf(178,plain,
    ! [SV11: $i,SV25: $i,SV21: $i,SV29: $i] :
      ( ( ( ~ ( in @ SV29 @ SV21 )
          | ( in @ SV29 @ SV25 ) )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[173]) ).

thf(179,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV11 )
        = $false )
      | ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
        = $false )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[174]) ).

thf(180,plain,
    ! [SV11: $i,SV20: $i,SV24: $i] :
      ( ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV20 )
        = $false )
      | ( ( in @ ( sK7_D @ SV24 @ SV20 @ SV11 ) @ SV24 )
        = $false )
      | ( ( SV24
          = ( set_union2 @ SV11 @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[175]) ).

thf(181,plain,
    ! [SV21: $i,SV25: $i,SV11: $i,SV28: $i] :
      ( ( ( ~ ( in @ SV28 @ SV11 ) )
        = $true )
      | ( ( in @ SV28 @ SV25 )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[177]) ).

thf(182,plain,
    ! [SV11: $i,SV25: $i,SV21: $i,SV29: $i] :
      ( ( ( ~ ( in @ SV29 @ SV21 ) )
        = $true )
      | ( ( in @ SV29 @ SV25 )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[178]) ).

thf(183,plain,
    ! [SV21: $i,SV25: $i,SV11: $i,SV28: $i] :
      ( ( ( in @ SV28 @ SV11 )
        = $false )
      | ( ( in @ SV28 @ SV25 )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[181]) ).

thf(184,plain,
    ! [SV11: $i,SV25: $i,SV21: $i,SV29: $i] :
      ( ( ( in @ SV29 @ SV21 )
        = $false )
      | ( ( in @ SV29 @ SV25 )
        = $true )
      | ( ( SV25
          = ( set_union2 @ SV11 @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[182]) ).

thf(185,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[61,184,183,180,179,176,161,154,153,146,129,123,122,115,114,106,94,90,86,85,84,83,75,74,67,63,62]) ).

thf(186,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[185]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.10  % Problem  : SEU125+1 : TPTP v8.1.0. Released v3.3.0.
% 0.06/0.11  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.11/0.32  % Computer : n026.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 600
% 0.11/0.32  % DateTime : Sun Jun 19 19:35:40 EDT 2022
% 0.11/0.32  % CPUTime  : 
% 0.11/0.33  
% 0.11/0.33   No.of.Axioms: 17
% 0.11/0.33  
% 0.11/0.33   Length.of.Defs: 0
% 0.11/0.33  
% 0.11/0.33   Contains.Choice.Funs: false
% 0.11/0.34  (rf:0,axioms:17,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:19,loop_count:0,foatp_calls:0,translation:fof_full)...........
% 49.69/49.90  
% 49.69/49.90  ********************************
% 49.69/49.90  *   All subproblems solved!    *
% 49.69/49.90  ********************************
% 49.69/49.90  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:19,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:185,loop_count:0,foatp_calls:1,translation:fof_full)
% 49.69/49.91  
% 49.69/49.91  %**** Beginning of derivation protocol ****
% 49.69/49.91  % SZS output start CNFRefutation
% See solution above
% 49.69/49.91  
% 49.69/49.91  %**** End of derivation protocol ****
% 49.69/49.91  %**** no. of clauses in derivation: 186 ****
% 49.69/49.91  %**** clause counter: 185 ****
% 49.69/49.91  
% 49.69/49.91  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:19,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:185,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------