TSTP Solution File: SET921+1 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SET921+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n018.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 03:06:15 EDT 2022

% Result   : Theorem 0.19s 0.51s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :   17
% Syntax   : Number of formulae    :  256 ( 105 unt;  11 typ;   0 def)
%            Number of atoms       : 1921 ( 772 equ;   0 cnn)
%            Maximal formula atoms :    4 (   7 avg)
%            Number of connectives : 4430 ( 890   ~; 754   |;  42   &;2724   @)
%                                         (  14 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   11 (  11   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   14 (  11 usr;   7 con; 0-3 aty)
%            Number of variables   :  728 (   0   ^ 724   !;   4   ?; 728   :)

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

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

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

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

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

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

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

thf(tp_sK6_D,type,
    sK6_D: $i > $i > $i > $i ).

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

thf(tp_set_difference,type,
    set_difference: $i > $i > $i ).

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

thf(1,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(2,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(3,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( C
        = ( set_difference @ A @ B ) )
    <=> ! [D: $i] :
          ( ( in @ D @ C )
        <=> ( ( in @ D @ A )
            & ~ ( in @ D @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_xboole_0) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ( ( B
        = ( singleton @ A ) )
    <=> ! [C: $i] :
          ( ( in @ C @ B )
        <=> ( C = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_tarski) ).

thf(5,axiom,
    ! [A: $i,B: $i] :
      ( ( in @ A @ B )
     => ~ ( in @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

thf(6,conjecture,
    ! [A: $i,B: $i,C: $i] :
      ( ( in @ A @ ( set_difference @ B @ ( singleton @ C ) ) )
    <=> ( ( in @ A @ B )
        & ( A != C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t64_zfmisc_1) ).

thf(7,negated_conjecture,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( in @ A @ ( set_difference @ B @ ( singleton @ C ) ) )
        <=> ( ( in @ A @ B )
            & ( A != C ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[6]) ).

thf(8,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( in @ A @ ( set_difference @ B @ ( singleton @ C ) ) )
        <=> ( ( in @ A @ B )
            & ( A != C ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(9,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(10,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(11,plain,
    ( ( ! [A: $i,B: $i,C: $i] :
          ( ( C
            = ( set_difference @ A @ B ) )
        <=> ! [D: $i] :
              ( ( in @ D @ C )
            <=> ( ( in @ D @ A )
                & ~ ( in @ D @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(12,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( B
            = ( singleton @ A ) )
        <=> ! [C: $i] :
              ( ( in @ C @ B )
            <=> ( C = A ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(13,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( in @ A @ B )
         => ~ ( in @ B @ A ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(14,plain,
    ( ( ! [SY14: $i,SY15: $i] :
          ( ( in @ sK1_A @ ( set_difference @ SY14 @ ( singleton @ SY15 ) ) )
        <=> ( ( in @ sK1_A @ SY14 )
            & ( sK1_A != SY15 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[8]) ).

thf(15,plain,
    ( ( ! [SY16: $i] :
          ( ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ SY16 ) ) )
        <=> ( ( in @ sK1_A @ sK2_SY14 )
            & ( sK1_A != SY16 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[14]) ).

thf(16,plain,
    ( ( ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) )
    <=> ( ( in @ sK1_A @ sK2_SY14 )
        & ( sK1_A != sK3_SY16 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[15]) ).

thf(17,plain,
    ( ( ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) )
     => ( ( in @ sK1_A @ sK2_SY14 )
        & ( sK1_A != sK3_SY16 ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[16]) ).

thf(18,plain,
    ( ( ( ( in @ sK1_A @ sK2_SY14 )
        & ( sK1_A != sK3_SY16 ) )
     => ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[16]) ).

thf(19,plain,
    ( ( ~ ( ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) )
         => ( ( in @ sK1_A @ sK2_SY14 )
            & ( sK1_A != sK3_SY16 ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[17]) ).

thf(20,plain,
    ( ( ~ ( ( ( in @ sK1_A @ sK2_SY14 )
            & ( sK1_A != sK3_SY16 ) )
         => ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[18]) ).

thf(21,plain,
    ( ( ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) )
      & ( ( sK1_A = sK3_SY16 )
        | ~ ( in @ sK1_A @ sK2_SY14 ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[19]) ).

thf(22,plain,
    ( ( ( sK1_A != sK3_SY16 )
      & ( in @ sK1_A @ sK2_SY14 )
      & ~ ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[20]) ).

thf(23,plain,
    ( ( ~ ( empty @ sK4_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[9]) ).

thf(24,plain,
    ( ( empty @ sK5_A )
    = $true ),
    inference(extcnf_combined,[status(esa)],[10]) ).

thf(25,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK6_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK6_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK6_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK6_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK6_D @ C @ B @ A ) @ C ) )
                & ( ~ ( in @ ( sK6_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK6_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_difference @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_difference @ 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)],[11]) ).

thf(26,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK7_C @ B @ A )
               != A )
              | ~ ( in @ ( sK7_C @ B @ A ) @ B ) )
            & ( ( ( sK7_C @ B @ A )
                = A )
              | ( in @ ( sK7_C @ B @ A ) @ B ) ) )
          | ( B
            = ( singleton @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( singleton @ A ) )
          | ( ! [C: $i] :
                ( ( C != A )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( C = A ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[12]) ).

thf(27,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[13]) ).

thf(28,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[27]) ).

thf(29,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK7_C @ B @ A )
               != A )
              | ~ ( in @ ( sK7_C @ B @ A ) @ B ) )
            & ( ( ( sK7_C @ B @ A )
                = A )
              | ( in @ ( sK7_C @ B @ A ) @ B ) ) )
          | ( B
            = ( singleton @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( singleton @ A ) )
          | ( ! [C: $i] :
                ( ( C != A )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( C = A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[26]) ).

thf(30,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK6_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK6_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK6_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK6_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK6_D @ C @ B @ A ) @ C ) )
                & ( ~ ( in @ ( sK6_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK6_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_difference @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_difference @ 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)],[25]) ).

thf(31,plain,
    ( ( empty @ sK5_A )
    = $true ),
    inference(copy,[status(thm)],[24]) ).

thf(32,plain,
    ( ( ~ ( empty @ sK4_A ) )
    = $true ),
    inference(copy,[status(thm)],[23]) ).

thf(33,plain,
    ( ( ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) )
      & ( ( sK1_A = sK3_SY16 )
        | ~ ( in @ sK1_A @ sK2_SY14 ) ) )
    = $true ),
    inference(copy,[status(thm)],[21]) ).

thf(34,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ( ( sK7_C @ SX1 @ SX0 )
                         != SX0 )
                        | ~ ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( ( sK7_C @ SX1 @ SX0 )
                          = SX0 )
                        | ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( singleton @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX1
                 != ( singleton @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ( SX2 != SX0 )
                          | ( in @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ( SX2 = SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[29]) ).

thf(35,plain,
    ( ( ~ ( ~ ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) )
          | ~ ( ( sK1_A = sK3_SY16 )
              | ~ ( in @ sK1_A @ sK2_SY14 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[33]) ).

thf(36,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ~ ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) ) )
                  | ( SX2
                    = ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_difference @ 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)],[30]) ).

thf(37,plain,
    ! [SV1: $i] :
      ( ( ! [SY17: $i] :
            ( ~ ( in @ SV1 @ SY17 )
            | ~ ( in @ SY17 @ SV1 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[28]) ).

thf(38,plain,
    ( ( empty @ sK4_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[32]) ).

thf(39,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK7_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK7_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( singleton @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ( SX2 != SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( SX2 = SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[34]) ).

thf(40,plain,
    ( ( ~ ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) )
      | ~ ( ( sK1_A = sK3_SY16 )
          | ~ ( in @ sK1_A @ sK2_SY14 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[35]) ).

thf(41,plain,
    ! [SV2: $i] :
      ( ( ~ ( ~ ! [SY18: $i,SY19: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SV2 )
                          | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY18 )
                          | ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SV2 )
                                | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) )
                            | ~ ( ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY18 )
                                | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) ) ) )
                  | ( SY19
                    = ( set_difference @ SV2 @ SY18 ) ) )
            | ~ ! [SY20: $i,SY21: $i] :
                  ( ( SY21
                   != ( set_difference @ SV2 @ SY20 ) )
                  | ~ ( ~ ! [SY22: $i] :
                            ( ~ ( in @ SY22 @ SV2 )
                            | ( in @ SY22 @ SY20 )
                            | ( in @ SY22 @ SY21 ) )
                      | ~ ~ ( ~ ! [SY23: $i] :
                                  ( ~ ( in @ SY23 @ SY21 )
                                  | ( in @ SY23 @ SV2 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY21 )
                                  | ~ ( in @ SX3 @ SY20 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[36]) ).

thf(42,plain,
    ! [SV3: $i,SV1: $i] :
      ( ( ~ ( in @ SV1 @ SV3 )
        | ~ ( in @ SV3 @ SV1 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[37]) ).

thf(43,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK7_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK7_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[39]) ).

thf(44,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( singleton @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ( SX2 != SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( SX2 = SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[39]) ).

thf(45,plain,
    ( ( ~ ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[40]) ).

thf(46,plain,
    ( ( ~ ( ( sK1_A = sK3_SY16 )
          | ~ ( in @ sK1_A @ sK2_SY14 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[40]) ).

thf(47,plain,
    ! [SV2: $i] :
      ( ( ~ ! [SY18: $i,SY19: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SV2 )
                      | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY18 )
                      | ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SV2 )
                            | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) )
                        | ~ ( ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY18 )
                            | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) ) ) )
              | ( SY19
                = ( set_difference @ SV2 @ SY18 ) ) )
        | ~ ! [SY20: $i,SY21: $i] :
              ( ( SY21
               != ( set_difference @ SV2 @ SY20 ) )
              | ~ ( ~ ! [SY22: $i] :
                        ( ~ ( in @ SY22 @ SV2 )
                        | ( in @ SY22 @ SY20 )
                        | ( in @ SY22 @ SY21 ) )
                  | ~ ~ ( ~ ! [SY23: $i] :
                              ( ~ ( in @ SY23 @ SY21 )
                              | ( in @ SY23 @ SV2 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY21 )
                              | ~ ( in @ SX3 @ SY20 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[41]) ).

thf(48,plain,
    ! [SV3: $i,SV1: $i] :
      ( ( ( ~ ( in @ SV1 @ SV3 ) )
        = $true )
      | ( ( ~ ( in @ SV3 @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[42]) ).

thf(49,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ( ( sK7_C @ SX1 @ SX0 )
                   != SX0 )
                  | ~ ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( ( sK7_C @ SX1 @ SX0 )
                    = SX0 )
                  | ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( singleton @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[43]) ).

thf(50,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX1
           != ( singleton @ SX0 ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ( SX2 != SX0 )
                    | ( in @ SX2 @ SX1 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX1 )
                    | ( SX2 = SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[44]) ).

thf(51,plain,
    ( ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[45]) ).

thf(52,plain,
    ( ( ( sK1_A = sK3_SY16 )
      | ~ ( in @ sK1_A @ sK2_SY14 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[46]) ).

thf(53,plain,
    ! [SV2: $i] :
      ( ( ~ ! [SY18: $i,SY19: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SV2 )
                      | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY18 )
                      | ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SV2 )
                            | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) )
                        | ~ ( ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY18 )
                            | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) ) ) )
              | ( SY19
                = ( set_difference @ SV2 @ SY18 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[47]) ).

thf(54,plain,
    ! [SV2: $i] :
      ( ( ~ ! [SY20: $i,SY21: $i] :
              ( ( SY21
               != ( set_difference @ SV2 @ SY20 ) )
              | ~ ( ~ ! [SY22: $i] :
                        ( ~ ( in @ SY22 @ SV2 )
                        | ( in @ SY22 @ SY20 )
                        | ( in @ SY22 @ SY21 ) )
                  | ~ ~ ( ~ ! [SY23: $i] :
                              ( ~ ( in @ SY23 @ SY21 )
                              | ( in @ SY23 @ SV2 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY21 )
                              | ~ ( in @ SX3 @ SY20 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[47]) ).

thf(55,plain,
    ! [SV3: $i,SV1: $i] :
      ( ( ( in @ SV1 @ SV3 )
        = $false )
      | ( ( ~ ( in @ SV3 @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[48]) ).

thf(56,plain,
    ! [SV4: $i] :
      ( ( ! [SY25: $i] :
            ( ~ ( ~ ( ( ( sK7_C @ SY25 @ SV4 )
                     != SV4 )
                    | ~ ( in @ ( sK7_C @ SY25 @ SV4 ) @ SY25 ) )
                | ~ ( ( ( sK7_C @ SY25 @ SV4 )
                      = SV4 )
                    | ( in @ ( sK7_C @ SY25 @ SV4 ) @ SY25 ) ) )
            | ( SY25
              = ( singleton @ SV4 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[49]) ).

thf(57,plain,
    ! [SV5: $i] :
      ( ( ! [SY26: $i] :
            ( ( SY26
             != ( singleton @ SV5 ) )
            | ~ ( ~ ! [SY27: $i] :
                      ( ( SY27 != SV5 )
                      | ( in @ SY27 @ SY26 ) )
                | ~ ! [SY28: $i] :
                      ( ~ ( in @ SY28 @ SY26 )
                      | ( SY28 = SV5 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[50]) ).

thf(58,plain,
    ( ( ( sK1_A = sK3_SY16 )
      = $true )
    | ( ( ~ ( in @ sK1_A @ sK2_SY14 ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[52]) ).

thf(59,plain,
    ! [SV2: $i] :
      ( ( ! [SY18: $i,SY19: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SV2 )
                    | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY18 )
                    | ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) )
                | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SV2 )
                          | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) )
                      | ~ ( ~ ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY18 )
                          | ( in @ ( sK6_D @ SY19 @ SY18 @ SV2 ) @ SY19 ) ) ) )
            | ( SY19
              = ( set_difference @ SV2 @ SY18 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[53]) ).

thf(60,plain,
    ! [SV2: $i] :
      ( ( ! [SY20: $i,SY21: $i] :
            ( ( SY21
             != ( set_difference @ SV2 @ SY20 ) )
            | ~ ( ~ ! [SY22: $i] :
                      ( ~ ( in @ SY22 @ SV2 )
                      | ( in @ SY22 @ SY20 )
                      | ( in @ SY22 @ SY21 ) )
                | ~ ~ ( ~ ! [SY23: $i] :
                            ( ~ ( in @ SY23 @ SY21 )
                            | ( in @ SY23 @ SV2 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY21 )
                            | ~ ( in @ SX3 @ SY20 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[54]) ).

thf(61,plain,
    ! [SV1: $i,SV3: $i] :
      ( ( ( in @ SV3 @ SV1 )
        = $false )
      | ( ( in @ SV1 @ SV3 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[55]) ).

thf(62,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ~ ( ~ ( ( ( sK7_C @ SV6 @ SV4 )
                 != SV4 )
                | ~ ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) )
            | ~ ( ( ( sK7_C @ SV6 @ SV4 )
                  = SV4 )
                | ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) ) )
        | ( SV6
          = ( singleton @ SV4 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[56]) ).

thf(63,plain,
    ! [SV5: $i,SV7: $i] :
      ( ( ( SV7
         != ( singleton @ SV5 ) )
        | ~ ( ~ ! [SY29: $i] :
                  ( ( SY29 != SV5 )
                  | ( in @ SY29 @ SV7 ) )
            | ~ ! [SY30: $i] :
                  ( ~ ( in @ SY30 @ SV7 )
                  | ( SY30 = SV5 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[57]) ).

thf(64,plain,
    ( ( ( in @ sK1_A @ sK2_SY14 )
      = $false )
    | ( ( sK1_A = sK3_SY16 )
      = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[58]) ).

thf(65,plain,
    ! [SV2: $i,SV8: $i] :
      ( ( ! [SY31: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY31 @ SV8 @ SV2 ) @ SV2 )
                    | ( in @ ( sK6_D @ SY31 @ SV8 @ SV2 ) @ SV8 )
                    | ~ ( in @ ( sK6_D @ SY31 @ SV8 @ SV2 ) @ SY31 ) )
                | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY31 @ SV8 @ SV2 ) @ SV2 )
                          | ( in @ ( sK6_D @ SY31 @ SV8 @ SV2 ) @ SY31 ) )
                      | ~ ( ~ ( in @ ( sK6_D @ SY31 @ SV8 @ SV2 ) @ SV8 )
                          | ( in @ ( sK6_D @ SY31 @ SV8 @ SV2 ) @ SY31 ) ) ) )
            | ( SY31
              = ( set_difference @ SV2 @ SV8 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[59]) ).

thf(66,plain,
    ! [SV9: $i,SV2: $i] :
      ( ( ! [SY32: $i] :
            ( ( SY32
             != ( set_difference @ SV2 @ SV9 ) )
            | ~ ( ~ ! [SY33: $i] :
                      ( ~ ( in @ SY33 @ SV2 )
                      | ( in @ SY33 @ SV9 )
                      | ( in @ SY33 @ SY32 ) )
                | ~ ~ ( ~ ! [SY23: $i] :
                            ( ~ ( in @ SY23 @ SY32 )
                            | ( in @ SY23 @ SV2 ) )
                      | ~ ! [SY35: $i] :
                            ( ~ ( in @ SY35 @ SY32 )
                            | ~ ( in @ SY35 @ SV9 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[60]) ).

thf(67,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( ~ ( ~ ( ( ( sK7_C @ SV6 @ SV4 )
                   != SV4 )
                  | ~ ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) )
              | ~ ( ( ( sK7_C @ SV6 @ SV4 )
                    = SV4 )
                  | ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) ) ) )
        = $true )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[62]) ).

thf(68,plain,
    ! [SV5: $i,SV7: $i] :
      ( ( ( ( SV7
           != ( singleton @ SV5 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY29: $i] :
                    ( ( SY29 != SV5 )
                    | ( in @ SY29 @ SV7 ) )
              | ~ ! [SY30: $i] :
                    ( ~ ( in @ SY30 @ SV7 )
                    | ( SY30 = SV5 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[63]) ).

thf(69,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
                | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
                | ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
            | ~ ~ ( ~ ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
                      | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
                  | ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
                      | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) ) ) )
        | ( SV10
          = ( set_difference @ SV2 @ SV8 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[65]) ).

thf(70,plain,
    ! [SV9: $i,SV2: $i,SV11: $i] :
      ( ( ( SV11
         != ( set_difference @ SV2 @ SV9 ) )
        | ~ ( ~ ! [SY36: $i] :
                  ( ~ ( in @ SY36 @ SV2 )
                  | ( in @ SY36 @ SV9 )
                  | ( in @ SY36 @ SV11 ) )
            | ~ ~ ( ~ ! [SY37: $i] :
                        ( ~ ( in @ SY37 @ SV11 )
                        | ( in @ SY37 @ SV2 ) )
                  | ~ ! [SY38: $i] :
                        ( ~ ( in @ SY38 @ SV11 )
                        | ~ ( in @ SY38 @ SV9 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[66]) ).

thf(71,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( ~ ( ( ( sK7_C @ SV6 @ SV4 )
               != SV4 )
              | ~ ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) )
          | ~ ( ( ( sK7_C @ SV6 @ SV4 )
                = SV4 )
              | ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) ) )
        = $false )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[67]) ).

thf(72,plain,
    ! [SV5: $i,SV7: $i] :
      ( ( ( SV7
          = ( singleton @ SV5 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY29: $i] :
                    ( ( SY29 != SV5 )
                    | ( in @ SY29 @ SV7 ) )
              | ~ ! [SY30: $i] :
                    ( ~ ( in @ SY30 @ SV7 )
                    | ( SY30 = SV5 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[68]) ).

thf(73,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
                  | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
                  | ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
              | ~ ~ ( ~ ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
                        | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
                    | ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
                        | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) ) ) ) )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[69]) ).

thf(74,plain,
    ! [SV9: $i,SV2: $i,SV11: $i] :
      ( ( ( ( SV11
           != ( set_difference @ SV2 @ SV9 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY36: $i] :
                    ( ~ ( in @ SY36 @ SV2 )
                    | ( in @ SY36 @ SV9 )
                    | ( in @ SY36 @ SV11 ) )
              | ~ ~ ( ~ ! [SY37: $i] :
                          ( ~ ( in @ SY37 @ SV11 )
                          | ( in @ SY37 @ SV2 ) )
                    | ~ ! [SY38: $i] :
                          ( ~ ( in @ SY38 @ SV11 )
                          | ~ ( in @ SY38 @ SV9 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[70]) ).

thf(75,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( ~ ( ( ( sK7_C @ SV6 @ SV4 )
               != SV4 )
              | ~ ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) ) )
        = $false )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[71]) ).

thf(76,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( ~ ( ( ( sK7_C @ SV6 @ SV4 )
                = SV4 )
              | ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) ) )
        = $false )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[71]) ).

thf(77,plain,
    ! [SV7: $i,SV5: $i] :
      ( ( ( ~ ! [SY29: $i] :
                ( ( SY29 != SV5 )
                | ( in @ SY29 @ SV7 ) )
          | ~ ! [SY30: $i] :
                ( ~ ( in @ SY30 @ SV7 )
                | ( SY30 = SV5 ) ) )
        = $false )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[72]) ).

thf(78,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
              | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
              | ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
          | ~ ~ ( ~ ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
                    | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
                | ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
                    | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) ) ) )
        = $false )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[73]) ).

thf(79,plain,
    ! [SV9: $i,SV2: $i,SV11: $i] :
      ( ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY36: $i] :
                    ( ~ ( in @ SY36 @ SV2 )
                    | ( in @ SY36 @ SV9 )
                    | ( in @ SY36 @ SV11 ) )
              | ~ ~ ( ~ ! [SY37: $i] :
                          ( ~ ( in @ SY37 @ SV11 )
                          | ( in @ SY37 @ SV2 ) )
                    | ~ ! [SY38: $i] :
                          ( ~ ( in @ SY38 @ SV11 )
                          | ~ ( in @ SY38 @ SV9 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[74]) ).

thf(80,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( ( ( sK7_C @ SV6 @ SV4 )
           != SV4 )
          | ~ ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) )
        = $true )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[75]) ).

thf(81,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( ( ( sK7_C @ SV6 @ SV4 )
            = SV4 )
          | ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) )
        = $true )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[76]) ).

thf(82,plain,
    ! [SV7: $i,SV5: $i] :
      ( ( ( ~ ! [SY29: $i] :
                ( ( SY29 != SV5 )
                | ( in @ SY29 @ SV7 ) ) )
        = $false )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[77]) ).

thf(83,plain,
    ! [SV5: $i,SV7: $i] :
      ( ( ( ~ ! [SY30: $i] :
                ( ~ ( in @ SY30 @ SV7 )
                | ( SY30 = SV5 ) ) )
        = $false )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[77]) ).

thf(84,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
              | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
              | ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) ) )
        = $false )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[78]) ).

thf(85,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
                    | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
                | ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
                    | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) ) ) )
        = $false )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[78]) ).

thf(86,plain,
    ! [SV11: $i,SV9: $i,SV2: $i] :
      ( ( ( ~ ! [SY36: $i] :
                ( ~ ( in @ SY36 @ SV2 )
                | ( in @ SY36 @ SV9 )
                | ( in @ SY36 @ SV11 ) )
          | ~ ~ ( ~ ! [SY37: $i] :
                      ( ~ ( in @ SY37 @ SV11 )
                      | ( in @ SY37 @ SV2 ) )
                | ~ ! [SY38: $i] :
                      ( ~ ( in @ SY38 @ SV11 )
                      | ~ ( in @ SY38 @ SV9 ) ) ) )
        = $false )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[79]) ).

thf(87,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( ( ( sK7_C @ SV6 @ SV4 )
           != SV4 ) )
        = $true )
      | ( ( ~ ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) )
        = $true )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[80]) ).

thf(88,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( ( sK7_C @ SV6 @ SV4 )
          = SV4 )
        = $true )
      | ( ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 )
        = $true )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[81]) ).

thf(89,plain,
    ! [SV7: $i,SV5: $i] :
      ( ( ( ! [SY29: $i] :
              ( ( SY29 != SV5 )
              | ( in @ SY29 @ SV7 ) ) )
        = $true )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[82]) ).

thf(90,plain,
    ! [SV5: $i,SV7: $i] :
      ( ( ( ! [SY30: $i] :
              ( ~ ( in @ SY30 @ SV7 )
              | ( SY30 = SV5 ) ) )
        = $true )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[83]) ).

thf(91,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
          | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
          | ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[84]) ).

thf(92,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
                  | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
              | ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
                  | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) ) ) )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[85]) ).

thf(93,plain,
    ! [SV11: $i,SV9: $i,SV2: $i] :
      ( ( ( ~ ! [SY36: $i] :
                ( ~ ( in @ SY36 @ SV2 )
                | ( in @ SY36 @ SV9 )
                | ( in @ SY36 @ SV11 ) ) )
        = $false )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[86]) ).

thf(94,plain,
    ! [SV9: $i,SV2: $i,SV11: $i] :
      ( ( ( ~ ~ ( ~ ! [SY37: $i] :
                      ( ~ ( in @ SY37 @ SV11 )
                      | ( in @ SY37 @ SV2 ) )
                | ~ ! [SY38: $i] :
                      ( ~ ( in @ SY38 @ SV11 )
                      | ~ ( in @ SY38 @ SV9 ) ) ) )
        = $false )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[86]) ).

thf(95,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( ( sK7_C @ SV6 @ SV4 )
          = SV4 )
        = $false )
      | ( ( ~ ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 ) )
        = $true )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[87]) ).

thf(96,plain,
    ! [SV7: $i,SV5: $i,SV12: $i] :
      ( ( ( ( SV12 != SV5 )
          | ( in @ SV12 @ SV7 ) )
        = $true )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[89]) ).

thf(97,plain,
    ! [SV5: $i,SV7: $i,SV13: $i] :
      ( ( ( ~ ( in @ SV13 @ SV7 )
          | ( SV13 = SV5 ) )
        = $true )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[90]) ).

thf(98,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
          | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 ) )
        = $true )
      | ( ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[91]) ).

thf(99,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
              | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
          | ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
              | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) ) )
        = $false )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[92]) ).

thf(100,plain,
    ! [SV11: $i,SV9: $i,SV2: $i] :
      ( ( ( ! [SY36: $i] :
              ( ~ ( in @ SY36 @ SV2 )
              | ( in @ SY36 @ SV9 )
              | ( in @ SY36 @ SV11 ) ) )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[93]) ).

thf(101,plain,
    ! [SV9: $i,SV2: $i,SV11: $i] :
      ( ( ( ~ ( ~ ! [SY37: $i] :
                    ( ~ ( in @ SY37 @ SV11 )
                    | ( in @ SY37 @ SV2 ) )
              | ~ ! [SY38: $i] :
                    ( ~ ( in @ SY38 @ SV11 )
                    | ~ ( in @ SY38 @ SV9 ) ) ) )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[94]) ).

thf(102,plain,
    ! [SV4: $i,SV6: $i] :
      ( ( ( in @ ( sK7_C @ SV6 @ SV4 ) @ SV6 )
        = $false )
      | ( ( ( sK7_C @ SV6 @ SV4 )
          = SV4 )
        = $false )
      | ( ( SV6
          = ( singleton @ SV4 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[95]) ).

thf(103,plain,
    ! [SV7: $i,SV5: $i,SV12: $i] :
      ( ( ( ( SV12 != SV5 ) )
        = $true )
      | ( ( in @ SV12 @ SV7 )
        = $true )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[96]) ).

thf(104,plain,
    ! [SV5: $i,SV7: $i,SV13: $i] :
      ( ( ( ~ ( in @ SV13 @ SV7 ) )
        = $true )
      | ( ( SV13 = SV5 )
        = $true )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[97]) ).

thf(105,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 ) )
        = $true )
      | ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
        = $true )
      | ( ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[98]) ).

thf(106,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
              | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) ) )
        = $false )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[99]) ).

thf(107,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
              | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) ) )
        = $false )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[99]) ).

thf(108,plain,
    ! [SV11: $i,SV9: $i,SV2: $i,SV14: $i] :
      ( ( ( ~ ( in @ SV14 @ SV2 )
          | ( in @ SV14 @ SV9 )
          | ( in @ SV14 @ SV11 ) )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[100]) ).

thf(109,plain,
    ! [SV9: $i,SV2: $i,SV11: $i] :
      ( ( ( ~ ! [SY37: $i] :
                ( ~ ( in @ SY37 @ SV11 )
                | ( in @ SY37 @ SV2 ) )
          | ~ ! [SY38: $i] :
                ( ~ ( in @ SY38 @ SV11 )
                | ~ ( in @ SY38 @ SV9 ) ) )
        = $false )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[101]) ).

thf(110,plain,
    ! [SV7: $i,SV5: $i,SV12: $i] :
      ( ( ( SV12 = SV5 )
        = $false )
      | ( ( in @ SV12 @ SV7 )
        = $true )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[103]) ).

thf(111,plain,
    ! [SV5: $i,SV7: $i,SV13: $i] :
      ( ( ( in @ SV13 @ SV7 )
        = $false )
      | ( ( SV13 = SV5 )
        = $true )
      | ( ( SV7
          = ( singleton @ SV5 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[104]) ).

thf(112,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
        = $false )
      | ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
        = $true )
      | ( ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[105]) ).

thf(113,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
          | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[106]) ).

thf(114,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
          | ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 ) )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[107]) ).

thf(115,plain,
    ! [SV11: $i,SV9: $i,SV2: $i,SV14: $i] :
      ( ( ( ~ ( in @ SV14 @ SV2 )
          | ( in @ SV14 @ SV9 ) )
        = $true )
      | ( ( in @ SV14 @ SV11 )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[108]) ).

thf(116,plain,
    ! [SV9: $i,SV2: $i,SV11: $i] :
      ( ( ( ~ ! [SY37: $i] :
                ( ~ ( in @ SY37 @ SV11 )
                | ( in @ SY37 @ SV2 ) ) )
        = $false )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[109]) ).

thf(117,plain,
    ! [SV2: $i,SV9: $i,SV11: $i] :
      ( ( ( ~ ! [SY38: $i] :
                ( ~ ( in @ SY38 @ SV11 )
                | ~ ( in @ SY38 @ SV9 ) ) )
        = $false )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[109]) ).

thf(118,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 )
        = $false )
      | ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
        = $true )
      | ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
        = $false )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[112]) ).

thf(119,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV2 )
        = $true )
      | ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[113]) ).

thf(120,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 ) )
        = $true )
      | ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[114]) ).

thf(121,plain,
    ! [SV11: $i,SV9: $i,SV2: $i,SV14: $i] :
      ( ( ( ~ ( in @ SV14 @ SV2 ) )
        = $true )
      | ( ( in @ SV14 @ SV9 )
        = $true )
      | ( ( in @ SV14 @ SV11 )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[115]) ).

thf(122,plain,
    ! [SV9: $i,SV2: $i,SV11: $i] :
      ( ( ( ! [SY37: $i] :
              ( ~ ( in @ SY37 @ SV11 )
              | ( in @ SY37 @ SV2 ) ) )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[116]) ).

thf(123,plain,
    ! [SV2: $i,SV9: $i,SV11: $i] :
      ( ( ( ! [SY38: $i] :
              ( ~ ( in @ SY38 @ SV11 )
              | ~ ( in @ SY38 @ SV9 ) ) )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[117]) ).

thf(124,plain,
    ! [SV2: $i,SV8: $i,SV10: $i] :
      ( ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV8 )
        = $false )
      | ( ( in @ ( sK6_D @ SV10 @ SV8 @ SV2 ) @ SV10 )
        = $true )
      | ( ( SV10
          = ( set_difference @ SV2 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[120]) ).

thf(125,plain,
    ! [SV11: $i,SV9: $i,SV2: $i,SV14: $i] :
      ( ( ( in @ SV14 @ SV2 )
        = $false )
      | ( ( in @ SV14 @ SV9 )
        = $true )
      | ( ( in @ SV14 @ SV11 )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[121]) ).

thf(126,plain,
    ! [SV9: $i,SV2: $i,SV11: $i,SV15: $i] :
      ( ( ( ~ ( in @ SV15 @ SV11 )
          | ( in @ SV15 @ SV2 ) )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[122]) ).

thf(127,plain,
    ! [SV2: $i,SV9: $i,SV11: $i,SV16: $i] :
      ( ( ( ~ ( in @ SV16 @ SV11 )
          | ~ ( in @ SV16 @ SV9 ) )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[123]) ).

thf(128,plain,
    ! [SV9: $i,SV2: $i,SV11: $i,SV15: $i] :
      ( ( ( ~ ( in @ SV15 @ SV11 ) )
        = $true )
      | ( ( in @ SV15 @ SV2 )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[126]) ).

thf(129,plain,
    ! [SV2: $i,SV9: $i,SV11: $i,SV16: $i] :
      ( ( ( ~ ( in @ SV16 @ SV11 ) )
        = $true )
      | ( ( ~ ( in @ SV16 @ SV9 ) )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[127]) ).

thf(130,plain,
    ! [SV9: $i,SV2: $i,SV11: $i,SV15: $i] :
      ( ( ( in @ SV15 @ SV11 )
        = $false )
      | ( ( in @ SV15 @ SV2 )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[128]) ).

thf(131,plain,
    ! [SV2: $i,SV9: $i,SV11: $i,SV16: $i] :
      ( ( ( in @ SV16 @ SV11 )
        = $false )
      | ( ( ~ ( in @ SV16 @ SV9 ) )
        = $true )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[129]) ).

thf(132,plain,
    ! [SV2: $i,SV11: $i,SV9: $i,SV16: $i] :
      ( ( ( in @ SV16 @ SV9 )
        = $false )
      | ( ( in @ SV16 @ SV11 )
        = $false )
      | ( ( SV11
          = ( set_difference @ SV2 @ SV9 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[131]) ).

thf(133,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[31,132,130,125,124,119,118,111,110,102,88,64,61,51,38]) ).

thf(134,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( in @ A @ B )
          | ~ ( in @ B @ A ) ) )
    = $true ),
    inference(copy,[status(thm)],[27]) ).

thf(135,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( ( ( sK7_C @ B @ A )
               != A )
              | ~ ( in @ ( sK7_C @ B @ A ) @ B ) )
            & ( ( ( sK7_C @ B @ A )
                = A )
              | ( in @ ( sK7_C @ B @ A ) @ B ) ) )
          | ( B
            = ( singleton @ A ) ) )
      & ! [A: $i,B: $i] :
          ( ( B
           != ( singleton @ A ) )
          | ( ! [C: $i] :
                ( ( C != A )
                | ( in @ C @ B ) )
            & ! [C: $i] :
                ( ~ ( in @ C @ B )
                | ( C = A ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[26]) ).

thf(136,plain,
    ( ( ! [A: $i] :
          ( ! [B: $i,C: $i] :
              ( ( ( ~ ( in @ ( sK6_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK6_D @ C @ B @ A ) @ B )
                  | ~ ( in @ ( sK6_D @ C @ B @ A ) @ C ) )
                & ( ( in @ ( sK6_D @ C @ B @ A ) @ A )
                  | ( in @ ( sK6_D @ C @ B @ A ) @ C ) )
                & ( ~ ( in @ ( sK6_D @ C @ B @ A ) @ B )
                  | ( in @ ( sK6_D @ C @ B @ A ) @ C ) ) )
              | ( C
                = ( set_difference @ A @ B ) ) )
          & ! [B: $i,C: $i] :
              ( ( C
               != ( set_difference @ 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)],[25]) ).

thf(137,plain,
    ( ( empty @ sK5_A )
    = $true ),
    inference(copy,[status(thm)],[24]) ).

thf(138,plain,
    ( ( ~ ( empty @ sK4_A ) )
    = $true ),
    inference(copy,[status(thm)],[23]) ).

thf(139,plain,
    ( ( ( sK1_A != sK3_SY16 )
      & ( in @ sK1_A @ sK2_SY14 )
      & ~ ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[22]) ).

thf(140,plain,
    ( ( ~ ( ~ ~ ( ~ ( ( sK1_A != sK3_SY16 ) )
                | ~ ( in @ sK1_A @ sK2_SY14 ) )
          | ~ ~ ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[139]) ).

thf(141,plain,
    ( ( ! [SX0: $i] :
          ~ ( ~ ! [SX1: $i,SX2: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                          | ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                          | ~ ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX0 )
                                | ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) )
                            | ~ ( ~ ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX1 )
                                | ( in @ ( sK6_D @ SX2 @ SX1 @ SX0 ) @ SX2 ) ) ) )
                  | ( SX2
                    = ( set_difference @ SX0 @ SX1 ) ) )
            | ~ ! [SX1: $i,SX2: $i] :
                  ( ( SX2
                   != ( set_difference @ 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)],[136]) ).

thf(142,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( ( ( sK7_C @ SX1 @ SX0 )
                         != SX0 )
                        | ~ ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) )
                    | ~ ( ( ( sK7_C @ SX1 @ SX0 )
                          = SX0 )
                        | ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) ) )
                | ( SX1
                  = ( singleton @ SX0 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX1
                 != ( singleton @ SX0 ) )
                | ~ ( ~ ! [SX2: $i] :
                          ( ( SX2 != SX0 )
                          | ( in @ SX2 @ SX1 ) )
                    | ~ ! [SX2: $i] :
                          ( ~ ( in @ SX2 @ SX1 )
                          | ( SX2 = SX0 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[135]) ).

thf(143,plain,
    ! [SV17: $i] :
      ( ( ! [SY39: $i] :
            ( ~ ( in @ SV17 @ SY39 )
            | ~ ( in @ SY39 @ SV17 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[134]) ).

thf(144,plain,
    ( ( empty @ sK4_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[138]) ).

thf(145,plain,
    ( ( ~ ~ ( ~ ( ( sK1_A != sK3_SY16 ) )
            | ~ ( in @ sK1_A @ sK2_SY14 ) )
      | ~ ~ ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[140]) ).

thf(146,plain,
    ! [SV18: $i] :
      ( ( ~ ( ~ ! [SY40: $i,SY41: $i] :
                  ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SV18 )
                          | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY40 )
                          | ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) )
                      | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SV18 )
                                | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) )
                            | ~ ( ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY40 )
                                | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) ) ) )
                  | ( SY41
                    = ( set_difference @ SV18 @ SY40 ) ) )
            | ~ ! [SY42: $i,SY43: $i] :
                  ( ( SY43
                   != ( set_difference @ SV18 @ SY42 ) )
                  | ~ ( ~ ! [SY44: $i] :
                            ( ~ ( in @ SY44 @ SV18 )
                            | ( in @ SY44 @ SY42 )
                            | ( in @ SY44 @ SY43 ) )
                      | ~ ~ ( ~ ! [SY45: $i] :
                                  ( ~ ( in @ SY45 @ SY43 )
                                  | ( in @ SY45 @ SV18 ) )
                            | ~ ! [SX3: $i] :
                                  ( ~ ( in @ SX3 @ SY43 )
                                  | ~ ( in @ SX3 @ SY42 ) ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[141]) ).

thf(147,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK7_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK7_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( singleton @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ( SX2 != SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( SX2 = SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[142]) ).

thf(148,plain,
    ! [SV19: $i,SV17: $i] :
      ( ( ~ ( in @ SV17 @ SV19 )
        | ~ ( in @ SV19 @ SV17 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[143]) ).

thf(149,plain,
    ( ( ~ ~ ( ~ ( ( sK1_A != sK3_SY16 ) )
            | ~ ( in @ sK1_A @ sK2_SY14 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[145]) ).

thf(150,plain,
    ( ( ~ ~ ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[145]) ).

thf(151,plain,
    ! [SV18: $i] :
      ( ( ~ ! [SY40: $i,SY41: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SV18 )
                      | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY40 )
                      | ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SV18 )
                            | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) )
                        | ~ ( ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY40 )
                            | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) ) ) )
              | ( SY41
                = ( set_difference @ SV18 @ SY40 ) ) )
        | ~ ! [SY42: $i,SY43: $i] :
              ( ( SY43
               != ( set_difference @ SV18 @ SY42 ) )
              | ~ ( ~ ! [SY44: $i] :
                        ( ~ ( in @ SY44 @ SV18 )
                        | ( in @ SY44 @ SY42 )
                        | ( in @ SY44 @ SY43 ) )
                  | ~ ~ ( ~ ! [SY45: $i] :
                              ( ~ ( in @ SY45 @ SY43 )
                              | ( in @ SY45 @ SV18 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY43 )
                              | ~ ( in @ SX3 @ SY42 ) ) ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[146]) ).

thf(152,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( ( ( sK7_C @ SX1 @ SX0 )
                     != SX0 )
                    | ~ ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) )
                | ~ ( ( ( sK7_C @ SX1 @ SX0 )
                      = SX0 )
                    | ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) ) )
            | ( SX1
              = ( singleton @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[147]) ).

thf(153,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX1
             != ( singleton @ SX0 ) )
            | ~ ( ~ ! [SX2: $i] :
                      ( ( SX2 != SX0 )
                      | ( in @ SX2 @ SX1 ) )
                | ~ ! [SX2: $i] :
                      ( ~ ( in @ SX2 @ SX1 )
                      | ( SX2 = SX0 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[147]) ).

thf(154,plain,
    ! [SV19: $i,SV17: $i] :
      ( ( ( ~ ( in @ SV17 @ SV19 ) )
        = $true )
      | ( ( ~ ( in @ SV19 @ SV17 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[148]) ).

thf(155,plain,
    ( ( ~ ( ~ ( ( sK1_A != sK3_SY16 ) )
          | ~ ( in @ sK1_A @ sK2_SY14 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[149]) ).

thf(156,plain,
    ( ( ~ ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[150]) ).

thf(157,plain,
    ! [SV18: $i] :
      ( ( ~ ! [SY40: $i,SY41: $i] :
              ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SV18 )
                      | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY40 )
                      | ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) )
                  | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SV18 )
                            | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) )
                        | ~ ( ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY40 )
                            | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) ) ) )
              | ( SY41
                = ( set_difference @ SV18 @ SY40 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[151]) ).

thf(158,plain,
    ! [SV18: $i] :
      ( ( ~ ! [SY42: $i,SY43: $i] :
              ( ( SY43
               != ( set_difference @ SV18 @ SY42 ) )
              | ~ ( ~ ! [SY44: $i] :
                        ( ~ ( in @ SY44 @ SV18 )
                        | ( in @ SY44 @ SY42 )
                        | ( in @ SY44 @ SY43 ) )
                  | ~ ~ ( ~ ! [SY45: $i] :
                              ( ~ ( in @ SY45 @ SY43 )
                              | ( in @ SY45 @ SV18 ) )
                        | ~ ! [SX3: $i] :
                              ( ~ ( in @ SX3 @ SY43 )
                              | ~ ( in @ SX3 @ SY42 ) ) ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[151]) ).

thf(159,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( ( ( sK7_C @ SX1 @ SX0 )
                   != SX0 )
                  | ~ ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) )
              | ~ ( ( ( sK7_C @ SX1 @ SX0 )
                    = SX0 )
                  | ( in @ ( sK7_C @ SX1 @ SX0 ) @ SX1 ) ) )
          | ( SX1
            = ( singleton @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[152]) ).

thf(160,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX1
           != ( singleton @ SX0 ) )
          | ~ ( ~ ! [SX2: $i] :
                    ( ( SX2 != SX0 )
                    | ( in @ SX2 @ SX1 ) )
              | ~ ! [SX2: $i] :
                    ( ~ ( in @ SX2 @ SX1 )
                    | ( SX2 = SX0 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[153]) ).

thf(161,plain,
    ! [SV19: $i,SV17: $i] :
      ( ( ( in @ SV17 @ SV19 )
        = $false )
      | ( ( ~ ( in @ SV19 @ SV17 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[154]) ).

thf(162,plain,
    ( ( ~ ( ( sK1_A != sK3_SY16 ) )
      | ~ ( in @ sK1_A @ sK2_SY14 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[155]) ).

thf(163,plain,
    ( ( in @ sK1_A @ ( set_difference @ sK2_SY14 @ ( singleton @ sK3_SY16 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[156]) ).

thf(164,plain,
    ! [SV18: $i] :
      ( ( ! [SY40: $i,SY41: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SV18 )
                    | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY40 )
                    | ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) )
                | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SV18 )
                          | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) )
                      | ~ ( ~ ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY40 )
                          | ( in @ ( sK6_D @ SY41 @ SY40 @ SV18 ) @ SY41 ) ) ) )
            | ( SY41
              = ( set_difference @ SV18 @ SY40 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[157]) ).

thf(165,plain,
    ! [SV18: $i] :
      ( ( ! [SY42: $i,SY43: $i] :
            ( ( SY43
             != ( set_difference @ SV18 @ SY42 ) )
            | ~ ( ~ ! [SY44: $i] :
                      ( ~ ( in @ SY44 @ SV18 )
                      | ( in @ SY44 @ SY42 )
                      | ( in @ SY44 @ SY43 ) )
                | ~ ~ ( ~ ! [SY45: $i] :
                            ( ~ ( in @ SY45 @ SY43 )
                            | ( in @ SY45 @ SV18 ) )
                      | ~ ! [SX3: $i] :
                            ( ~ ( in @ SX3 @ SY43 )
                            | ~ ( in @ SX3 @ SY42 ) ) ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[158]) ).

thf(166,plain,
    ! [SV20: $i] :
      ( ( ! [SY47: $i] :
            ( ~ ( ~ ( ( ( sK7_C @ SY47 @ SV20 )
                     != SV20 )
                    | ~ ( in @ ( sK7_C @ SY47 @ SV20 ) @ SY47 ) )
                | ~ ( ( ( sK7_C @ SY47 @ SV20 )
                      = SV20 )
                    | ( in @ ( sK7_C @ SY47 @ SV20 ) @ SY47 ) ) )
            | ( SY47
              = ( singleton @ SV20 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[159]) ).

thf(167,plain,
    ! [SV21: $i] :
      ( ( ! [SY48: $i] :
            ( ( SY48
             != ( singleton @ SV21 ) )
            | ~ ( ~ ! [SY49: $i] :
                      ( ( SY49 != SV21 )
                      | ( in @ SY49 @ SY48 ) )
                | ~ ! [SY50: $i] :
                      ( ~ ( in @ SY50 @ SY48 )
                      | ( SY50 = SV21 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[160]) ).

thf(168,plain,
    ! [SV17: $i,SV19: $i] :
      ( ( ( in @ SV19 @ SV17 )
        = $false )
      | ( ( in @ SV17 @ SV19 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[161]) ).

thf(169,plain,
    ( ( ~ ( ( sK1_A != sK3_SY16 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[162]) ).

thf(170,plain,
    ( ( ~ ( in @ sK1_A @ sK2_SY14 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[162]) ).

thf(171,plain,
    ! [SV18: $i,SV22: $i] :
      ( ( ! [SY51: $i] :
            ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SY51 @ SV22 @ SV18 ) @ SV18 )
                    | ( in @ ( sK6_D @ SY51 @ SV22 @ SV18 ) @ SV22 )
                    | ~ ( in @ ( sK6_D @ SY51 @ SV22 @ SV18 ) @ SY51 ) )
                | ~ ~ ( ~ ( ( in @ ( sK6_D @ SY51 @ SV22 @ SV18 ) @ SV18 )
                          | ( in @ ( sK6_D @ SY51 @ SV22 @ SV18 ) @ SY51 ) )
                      | ~ ( ~ ( in @ ( sK6_D @ SY51 @ SV22 @ SV18 ) @ SV22 )
                          | ( in @ ( sK6_D @ SY51 @ SV22 @ SV18 ) @ SY51 ) ) ) )
            | ( SY51
              = ( set_difference @ SV18 @ SV22 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[164]) ).

thf(172,plain,
    ! [SV23: $i,SV18: $i] :
      ( ( ! [SY52: $i] :
            ( ( SY52
             != ( set_difference @ SV18 @ SV23 ) )
            | ~ ( ~ ! [SY53: $i] :
                      ( ~ ( in @ SY53 @ SV18 )
                      | ( in @ SY53 @ SV23 )
                      | ( in @ SY53 @ SY52 ) )
                | ~ ~ ( ~ ! [SY45: $i] :
                            ( ~ ( in @ SY45 @ SY52 )
                            | ( in @ SY45 @ SV18 ) )
                      | ~ ! [SY55: $i] :
                            ( ~ ( in @ SY55 @ SY52 )
                            | ~ ( in @ SY55 @ SV23 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[165]) ).

thf(173,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ~ ( ~ ( ( ( sK7_C @ SV24 @ SV20 )
                 != SV20 )
                | ~ ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) )
            | ~ ( ( ( sK7_C @ SV24 @ SV20 )
                  = SV20 )
                | ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) ) )
        | ( SV24
          = ( singleton @ SV20 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[166]) ).

thf(174,plain,
    ! [SV21: $i,SV25: $i] :
      ( ( ( SV25
         != ( singleton @ SV21 ) )
        | ~ ( ~ ! [SY56: $i] :
                  ( ( SY56 != SV21 )
                  | ( in @ SY56 @ SV25 ) )
            | ~ ! [SY57: $i] :
                  ( ~ ( in @ SY57 @ SV25 )
                  | ( SY57 = SV21 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[167]) ).

thf(175,plain,
    ( ( ( sK1_A != sK3_SY16 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[169]) ).

thf(176,plain,
    ( ( in @ sK1_A @ sK2_SY14 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[170]) ).

thf(177,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
                | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
                | ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
            | ~ ~ ( ~ ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
                      | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
                  | ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
                      | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) ) ) )
        | ( SV26
          = ( set_difference @ SV18 @ SV22 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[171]) ).

thf(178,plain,
    ! [SV23: $i,SV18: $i,SV27: $i] :
      ( ( ( SV27
         != ( set_difference @ SV18 @ SV23 ) )
        | ~ ( ~ ! [SY58: $i] :
                  ( ~ ( in @ SY58 @ SV18 )
                  | ( in @ SY58 @ SV23 )
                  | ( in @ SY58 @ SV27 ) )
            | ~ ~ ( ~ ! [SY59: $i] :
                        ( ~ ( in @ SY59 @ SV27 )
                        | ( in @ SY59 @ SV18 ) )
                  | ~ ! [SY60: $i] :
                        ( ~ ( in @ SY60 @ SV27 )
                        | ~ ( in @ SY60 @ SV23 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[172]) ).

thf(179,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( ~ ( ~ ( ( ( sK7_C @ SV24 @ SV20 )
                   != SV20 )
                  | ~ ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) )
              | ~ ( ( ( sK7_C @ SV24 @ SV20 )
                    = SV20 )
                  | ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) ) ) )
        = $true )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[173]) ).

thf(180,plain,
    ! [SV21: $i,SV25: $i] :
      ( ( ( ( SV25
           != ( singleton @ SV21 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY56: $i] :
                    ( ( SY56 != SV21 )
                    | ( in @ SY56 @ SV25 ) )
              | ~ ! [SY57: $i] :
                    ( ~ ( in @ SY57 @ SV25 )
                    | ( SY57 = SV21 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[174]) ).

thf(181,plain,
    ( ( sK1_A = sK3_SY16 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[175]) ).

thf(182,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
                  | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
                  | ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
              | ~ ~ ( ~ ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
                        | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
                    | ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
                        | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) ) ) ) )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[177]) ).

thf(183,plain,
    ! [SV23: $i,SV18: $i,SV27: $i] :
      ( ( ( ( SV27
           != ( set_difference @ SV18 @ SV23 ) ) )
        = $true )
      | ( ( ~ ( ~ ! [SY58: $i] :
                    ( ~ ( in @ SY58 @ SV18 )
                    | ( in @ SY58 @ SV23 )
                    | ( in @ SY58 @ SV27 ) )
              | ~ ~ ( ~ ! [SY59: $i] :
                          ( ~ ( in @ SY59 @ SV27 )
                          | ( in @ SY59 @ SV18 ) )
                    | ~ ! [SY60: $i] :
                          ( ~ ( in @ SY60 @ SV27 )
                          | ~ ( in @ SY60 @ SV23 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[178]) ).

thf(184,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( ~ ( ( ( sK7_C @ SV24 @ SV20 )
               != SV20 )
              | ~ ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) )
          | ~ ( ( ( sK7_C @ SV24 @ SV20 )
                = SV20 )
              | ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) ) )
        = $false )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[179]) ).

thf(185,plain,
    ! [SV21: $i,SV25: $i] :
      ( ( ( SV25
          = ( singleton @ SV21 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY56: $i] :
                    ( ( SY56 != SV21 )
                    | ( in @ SY56 @ SV25 ) )
              | ~ ! [SY57: $i] :
                    ( ~ ( in @ SY57 @ SV25 )
                    | ( SY57 = SV21 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[180]) ).

thf(186,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
              | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
              | ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
          | ~ ~ ( ~ ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
                    | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
                | ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
                    | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) ) ) )
        = $false )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[182]) ).

thf(187,plain,
    ! [SV23: $i,SV18: $i,SV27: $i] :
      ( ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false )
      | ( ( ~ ( ~ ! [SY58: $i] :
                    ( ~ ( in @ SY58 @ SV18 )
                    | ( in @ SY58 @ SV23 )
                    | ( in @ SY58 @ SV27 ) )
              | ~ ~ ( ~ ! [SY59: $i] :
                          ( ~ ( in @ SY59 @ SV27 )
                          | ( in @ SY59 @ SV18 ) )
                    | ~ ! [SY60: $i] :
                          ( ~ ( in @ SY60 @ SV27 )
                          | ~ ( in @ SY60 @ SV23 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[183]) ).

thf(188,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( ~ ( ( ( sK7_C @ SV24 @ SV20 )
               != SV20 )
              | ~ ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) ) )
        = $false )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[184]) ).

thf(189,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( ~ ( ( ( sK7_C @ SV24 @ SV20 )
                = SV20 )
              | ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) ) )
        = $false )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[184]) ).

thf(190,plain,
    ! [SV25: $i,SV21: $i] :
      ( ( ( ~ ! [SY56: $i] :
                ( ( SY56 != SV21 )
                | ( in @ SY56 @ SV25 ) )
          | ~ ! [SY57: $i] :
                ( ~ ( in @ SY57 @ SV25 )
                | ( SY57 = SV21 ) ) )
        = $false )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[185]) ).

thf(191,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
              | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
              | ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) ) )
        = $false )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[186]) ).

thf(192,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ~ ( ~ ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
                    | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
                | ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
                    | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) ) ) )
        = $false )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[186]) ).

thf(193,plain,
    ! [SV27: $i,SV23: $i,SV18: $i] :
      ( ( ( ~ ! [SY58: $i] :
                ( ~ ( in @ SY58 @ SV18 )
                | ( in @ SY58 @ SV23 )
                | ( in @ SY58 @ SV27 ) )
          | ~ ~ ( ~ ! [SY59: $i] :
                      ( ~ ( in @ SY59 @ SV27 )
                      | ( in @ SY59 @ SV18 ) )
                | ~ ! [SY60: $i] :
                      ( ~ ( in @ SY60 @ SV27 )
                      | ~ ( in @ SY60 @ SV23 ) ) ) )
        = $false )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[187]) ).

thf(194,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( ( ( sK7_C @ SV24 @ SV20 )
           != SV20 )
          | ~ ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) )
        = $true )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[188]) ).

thf(195,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( ( ( sK7_C @ SV24 @ SV20 )
            = SV20 )
          | ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) )
        = $true )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[189]) ).

thf(196,plain,
    ! [SV25: $i,SV21: $i] :
      ( ( ( ~ ! [SY56: $i] :
                ( ( SY56 != SV21 )
                | ( in @ SY56 @ SV25 ) ) )
        = $false )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[190]) ).

thf(197,plain,
    ! [SV21: $i,SV25: $i] :
      ( ( ( ~ ! [SY57: $i] :
                ( ~ ( in @ SY57 @ SV25 )
                | ( SY57 = SV21 ) ) )
        = $false )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[190]) ).

thf(198,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
          | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
          | ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[191]) ).

thf(199,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( ~ ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
                  | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
              | ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
                  | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) ) ) )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[192]) ).

thf(200,plain,
    ! [SV27: $i,SV23: $i,SV18: $i] :
      ( ( ( ~ ! [SY58: $i] :
                ( ~ ( in @ SY58 @ SV18 )
                | ( in @ SY58 @ SV23 )
                | ( in @ SY58 @ SV27 ) ) )
        = $false )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[193]) ).

thf(201,plain,
    ! [SV23: $i,SV18: $i,SV27: $i] :
      ( ( ( ~ ~ ( ~ ! [SY59: $i] :
                      ( ~ ( in @ SY59 @ SV27 )
                      | ( in @ SY59 @ SV18 ) )
                | ~ ! [SY60: $i] :
                      ( ~ ( in @ SY60 @ SV27 )
                      | ~ ( in @ SY60 @ SV23 ) ) ) )
        = $false )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[193]) ).

thf(202,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( ( ( sK7_C @ SV24 @ SV20 )
           != SV20 ) )
        = $true )
      | ( ( ~ ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) )
        = $true )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[194]) ).

thf(203,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( ( sK7_C @ SV24 @ SV20 )
          = SV20 )
        = $true )
      | ( ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 )
        = $true )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[195]) ).

thf(204,plain,
    ! [SV25: $i,SV21: $i] :
      ( ( ( ! [SY56: $i] :
              ( ( SY56 != SV21 )
              | ( in @ SY56 @ SV25 ) ) )
        = $true )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[196]) ).

thf(205,plain,
    ! [SV21: $i,SV25: $i] :
      ( ( ( ! [SY57: $i] :
              ( ~ ( in @ SY57 @ SV25 )
              | ( SY57 = SV21 ) ) )
        = $true )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[197]) ).

thf(206,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
          | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 ) )
        = $true )
      | ( ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[198]) ).

thf(207,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
              | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
          | ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
              | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) ) )
        = $false )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[199]) ).

thf(208,plain,
    ! [SV27: $i,SV23: $i,SV18: $i] :
      ( ( ( ! [SY58: $i] :
              ( ~ ( in @ SY58 @ SV18 )
              | ( in @ SY58 @ SV23 )
              | ( in @ SY58 @ SV27 ) ) )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[200]) ).

thf(209,plain,
    ! [SV23: $i,SV18: $i,SV27: $i] :
      ( ( ( ~ ( ~ ! [SY59: $i] :
                    ( ~ ( in @ SY59 @ SV27 )
                    | ( in @ SY59 @ SV18 ) )
              | ~ ! [SY60: $i] :
                    ( ~ ( in @ SY60 @ SV27 )
                    | ~ ( in @ SY60 @ SV23 ) ) ) )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[201]) ).

thf(210,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( ( sK7_C @ SV24 @ SV20 )
          = SV20 )
        = $false )
      | ( ( ~ ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 ) )
        = $true )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[202]) ).

thf(211,plain,
    ! [SV25: $i,SV21: $i,SV28: $i] :
      ( ( ( ( SV28 != SV21 )
          | ( in @ SV28 @ SV25 ) )
        = $true )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[204]) ).

thf(212,plain,
    ! [SV21: $i,SV25: $i,SV29: $i] :
      ( ( ( ~ ( in @ SV29 @ SV25 )
          | ( SV29 = SV21 ) )
        = $true )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[205]) ).

thf(213,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 ) )
        = $true )
      | ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
        = $true )
      | ( ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[206]) ).

thf(214,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
              | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) ) )
        = $false )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[207]) ).

thf(215,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
              | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) ) )
        = $false )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[207]) ).

thf(216,plain,
    ! [SV27: $i,SV23: $i,SV18: $i,SV30: $i] :
      ( ( ( ~ ( in @ SV30 @ SV18 )
          | ( in @ SV30 @ SV23 )
          | ( in @ SV30 @ SV27 ) )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[208]) ).

thf(217,plain,
    ! [SV23: $i,SV18: $i,SV27: $i] :
      ( ( ( ~ ! [SY59: $i] :
                ( ~ ( in @ SY59 @ SV27 )
                | ( in @ SY59 @ SV18 ) )
          | ~ ! [SY60: $i] :
                ( ~ ( in @ SY60 @ SV27 )
                | ~ ( in @ SY60 @ SV23 ) ) )
        = $false )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[209]) ).

thf(218,plain,
    ! [SV20: $i,SV24: $i] :
      ( ( ( in @ ( sK7_C @ SV24 @ SV20 ) @ SV24 )
        = $false )
      | ( ( ( sK7_C @ SV24 @ SV20 )
          = SV20 )
        = $false )
      | ( ( SV24
          = ( singleton @ SV20 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[210]) ).

thf(219,plain,
    ! [SV25: $i,SV21: $i,SV28: $i] :
      ( ( ( ( SV28 != SV21 ) )
        = $true )
      | ( ( in @ SV28 @ SV25 )
        = $true )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[211]) ).

thf(220,plain,
    ! [SV21: $i,SV25: $i,SV29: $i] :
      ( ( ( ~ ( in @ SV29 @ SV25 ) )
        = $true )
      | ( ( SV29 = SV21 )
        = $true )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[212]) ).

thf(221,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
        = $false )
      | ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
        = $true )
      | ( ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[213]) ).

thf(222,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
          | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[214]) ).

thf(223,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
          | ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 ) )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[215]) ).

thf(224,plain,
    ! [SV27: $i,SV23: $i,SV18: $i,SV30: $i] :
      ( ( ( ~ ( in @ SV30 @ SV18 )
          | ( in @ SV30 @ SV23 ) )
        = $true )
      | ( ( in @ SV30 @ SV27 )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[216]) ).

thf(225,plain,
    ! [SV23: $i,SV18: $i,SV27: $i] :
      ( ( ( ~ ! [SY59: $i] :
                ( ~ ( in @ SY59 @ SV27 )
                | ( in @ SY59 @ SV18 ) ) )
        = $false )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[217]) ).

thf(226,plain,
    ! [SV18: $i,SV23: $i,SV27: $i] :
      ( ( ( ~ ! [SY60: $i] :
                ( ~ ( in @ SY60 @ SV27 )
                | ~ ( in @ SY60 @ SV23 ) ) )
        = $false )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[217]) ).

thf(227,plain,
    ! [SV25: $i,SV21: $i,SV28: $i] :
      ( ( ( SV28 = SV21 )
        = $false )
      | ( ( in @ SV28 @ SV25 )
        = $true )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[219]) ).

thf(228,plain,
    ! [SV21: $i,SV25: $i,SV29: $i] :
      ( ( ( in @ SV29 @ SV25 )
        = $false )
      | ( ( SV29 = SV21 )
        = $true )
      | ( ( SV25
          = ( singleton @ SV21 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[220]) ).

thf(229,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 )
        = $false )
      | ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
        = $true )
      | ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
        = $false )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[221]) ).

thf(230,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV18 )
        = $true )
      | ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[222]) ).

thf(231,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( ~ ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 ) )
        = $true )
      | ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[223]) ).

thf(232,plain,
    ! [SV27: $i,SV23: $i,SV18: $i,SV30: $i] :
      ( ( ( ~ ( in @ SV30 @ SV18 ) )
        = $true )
      | ( ( in @ SV30 @ SV23 )
        = $true )
      | ( ( in @ SV30 @ SV27 )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[224]) ).

thf(233,plain,
    ! [SV23: $i,SV18: $i,SV27: $i] :
      ( ( ( ! [SY59: $i] :
              ( ~ ( in @ SY59 @ SV27 )
              | ( in @ SY59 @ SV18 ) ) )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[225]) ).

thf(234,plain,
    ! [SV18: $i,SV23: $i,SV27: $i] :
      ( ( ( ! [SY60: $i] :
              ( ~ ( in @ SY60 @ SV27 )
              | ~ ( in @ SY60 @ SV23 ) ) )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[226]) ).

thf(235,plain,
    ! [SV18: $i,SV22: $i,SV26: $i] :
      ( ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV22 )
        = $false )
      | ( ( in @ ( sK6_D @ SV26 @ SV22 @ SV18 ) @ SV26 )
        = $true )
      | ( ( SV26
          = ( set_difference @ SV18 @ SV22 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[231]) ).

thf(236,plain,
    ! [SV27: $i,SV23: $i,SV18: $i,SV30: $i] :
      ( ( ( in @ SV30 @ SV18 )
        = $false )
      | ( ( in @ SV30 @ SV23 )
        = $true )
      | ( ( in @ SV30 @ SV27 )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[232]) ).

thf(237,plain,
    ! [SV23: $i,SV18: $i,SV27: $i,SV31: $i] :
      ( ( ( ~ ( in @ SV31 @ SV27 )
          | ( in @ SV31 @ SV18 ) )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[233]) ).

thf(238,plain,
    ! [SV18: $i,SV23: $i,SV27: $i,SV32: $i] :
      ( ( ( ~ ( in @ SV32 @ SV27 )
          | ~ ( in @ SV32 @ SV23 ) )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[234]) ).

thf(239,plain,
    ! [SV23: $i,SV18: $i,SV27: $i,SV31: $i] :
      ( ( ( ~ ( in @ SV31 @ SV27 ) )
        = $true )
      | ( ( in @ SV31 @ SV18 )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[237]) ).

thf(240,plain,
    ! [SV18: $i,SV23: $i,SV27: $i,SV32: $i] :
      ( ( ( ~ ( in @ SV32 @ SV27 ) )
        = $true )
      | ( ( ~ ( in @ SV32 @ SV23 ) )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[238]) ).

thf(241,plain,
    ! [SV23: $i,SV18: $i,SV27: $i,SV31: $i] :
      ( ( ( in @ SV31 @ SV27 )
        = $false )
      | ( ( in @ SV31 @ SV18 )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[239]) ).

thf(242,plain,
    ! [SV18: $i,SV23: $i,SV27: $i,SV32: $i] :
      ( ( ( in @ SV32 @ SV27 )
        = $false )
      | ( ( ~ ( in @ SV32 @ SV23 ) )
        = $true )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[240]) ).

thf(243,plain,
    ! [SV18: $i,SV27: $i,SV23: $i,SV32: $i] :
      ( ( ( in @ SV32 @ SV23 )
        = $false )
      | ( ( in @ SV32 @ SV27 )
        = $false )
      | ( ( SV27
          = ( set_difference @ SV18 @ SV23 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[242]) ).

thf(244,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[137,243,241,236,235,230,229,228,227,218,203,181,176,168,163,144]) ).

thf(245,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[244,133]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : SET921+1 : TPTP v8.1.0. Released v3.2.0.
% 0.10/0.12  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.12/0.33  % Computer : n018.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 21:03:28 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  
% 0.12/0.34   No.of.Axioms: 5
% 0.12/0.34  
% 0.12/0.34   Length.of.Defs: 0
% 0.12/0.34  
% 0.12/0.34   Contains.Choice.Funs: false
% 0.12/0.34  (rf:0,axioms:5,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:7,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/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:5,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:244,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.19/0.53  
% 0.19/0.53  %**** Beginning of derivation protocol ****
% 0.19/0.53  % SZS output start CNFRefutation
% See solution above
% 0.19/0.53  
% 0.19/0.53  %**** End of derivation protocol ****
% 0.19/0.53  %**** no. of clauses in derivation: 245 ****
% 0.19/0.53  %**** clause counter: 244 ****
% 0.19/0.53  
% 0.19/0.53  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:5,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:244,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------