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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEU534^2 : TPTP v9.3.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n005.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Oct  7 10:44:51 AM UTC 2026

% Result   : Theorem 1.37s 0.53s
% Output   : CNFRefutation 1.37s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :    3
% Syntax   : Number of formulae    :  127 (  40 unt;   0 typ;   2 def)
%            Number of atoms       : 1035 ( 390 equ;   0 cnn)
%            Maximal formula atoms :    5 (   8 avg)
%            Number of connectives : 1458 (  61   ~; 197   |;   9   &;1166   @)
%                                         (   0 <=>;  25  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   89 (  89   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   16 (  13 usr;   8 con; 0-4 aty)
%            Number of variables   :  474 ( 228   ^; 241   !;   5   ?; 474   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_dsetconstr,type,
    dsetconstr: $i > ( $i > $o ) > $i ).

thf(tp_dsetconstrI,type,
    dsetconstrI: $o ).

thf(tp_emptyset,type,
    emptyset: $i ).

thf(tp_emptysetE,type,
    emptysetE: $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 > $o ).

thf(tp_sK3_SY17,type,
    sK3_SY17: $i ).

thf(tp_sK4_E,type,
    sK4_E: $i > ( $i > $i ) > $i > ( $i > $i > $o ) > $i ).

thf(tp_sK5_E,type,
    sK5_E: $i > ( $i > $i ) > ( $i > $i > $o ) > $i ).

thf(tp_sK6_E,type,
    sK6_E: $i > ( $i > $i ) > $i > ( $i > $i > $o ) > $i ).

thf(tp_sK7_E,type,
    sK7_E: $i > ( $i > $i ) > ( $i > $i > $o ) > $i ).

thf(tp_sK8_E,type,
    sK8_E: $i ).

thf(dsetconstrI,definition,
    ( dsetconstrI
    = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ( Xphi @ Xx )
           => ( in @ Xx
              @ ( dsetconstr @ A
                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',dsetconstrI) ).

thf(emptysetE,definition,
    ( emptysetE
    = ( ! [Xx: $i] :
          ( ( in @ Xx @ emptyset )
         => ! [Xphi: $o] : Xphi ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',emptysetE) ).

thf(1,conjecture,
    ( dsetconstrI
   => ( emptysetE
     => ! [A: $i,Xphi: $i > $o] :
          ( ? [Xx: $i] :
              ( ( in @ Xx @ A )
              & ( Xphi @ Xx ) )
         => ( ( ( dsetconstr @ A
                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
              = emptyset )
           => $false ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',emptyE1) ).

thf(2,negated_conjecture,
    ( ( dsetconstrI
     => ( emptysetE
       => ! [A: $i,Xphi: $i > $o] :
            ( ? [Xx: $i] :
                ( ( in @ Xx @ A )
                & ( Xphi @ Xx ) )
           => ( ( ( dsetconstr @ A
                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
                = emptyset )
             => $false ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[1]) ).

thf(3,plain,
    ( ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ( Xphi @ Xx )
           => ( in @ Xx
              @ ( dsetconstr @ A
                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) )
     => ( ! [Xx: $i] :
            ( ( in @ Xx @ emptyset )
           => ! [Xphi: $o] : Xphi )
       => ! [A: $i,Xphi: $i > $o] :
            ( ? [Xx: $i] :
                ( ( in @ Xx @ A )
                & ( Xphi @ Xx ) )
           => ( ( ( dsetconstr @ A
                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
                = emptyset )
             => $false ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[2,dsetconstrI,emptysetE]) ).

thf(4,plain,
    ( ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ( Xphi @ Xx )
           => ( in @ Xx
              @ ( dsetconstr @ A
                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(5,plain,
    ( ( ! [Xx: $i] :
          ( ( in @ Xx @ emptyset )
         => ! [Xphi: $o] : Xphi ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(6,plain,
    ( ( ! [A: $i,Xphi: $i > $o] :
          ( ? [Xx: $i] :
              ( ( in @ Xx @ A )
              & ( Xphi @ Xx ) )
         => ( ( ( dsetconstr @ A
                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
              = emptyset )
           => $false ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(7,plain,
    ( ( ~ ! [A: $i,Xphi: $i > $o] :
            ( ? [Xx: $i] :
                ( ( in @ Xx @ A )
                & ( Xphi @ Xx ) )
           => ( ( ( dsetconstr @ A
                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
                = emptyset )
             => $false ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[6]) ).

thf(8,plain,
    ( ( ( sK2_SY14 @ sK3_SY17 )
      & ( in @ sK3_SY17 @ sK1_A )
      & ( ( dsetconstr @ sK1_A
          @ ^ [SY18: $i] : ( sK2_SY14 @ SY18 ) )
        = emptyset ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[7]) ).

thf(9,plain,
    ( ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ~ ( in @ Xx @ A )
          | ~ ( Xphi @ Xx )
          | ( in @ Xx
            @ ( dsetconstr @ A
              @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[4]) ).

thf(10,plain,
    ( ( ! [Xx: $i] :
          ~ ( in @ Xx @ emptyset )
      | ! [Xphi: $o] : Xphi )
    = $true ),
    inference(extcnf_combined,[status(esa)],[5]) ).

thf(11,plain,
    ( ( ! [Xx: $i] :
          ~ ( in @ Xx @ emptyset )
      | ! [Xphi: $o] : Xphi )
    = $true ),
    inference(copy,[status(thm)],[10]) ).

thf(12,plain,
    ( ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ~ ( in @ Xx @ A )
          | ~ ( Xphi @ Xx )
          | ( in @ Xx
            @ ( dsetconstr @ A
              @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[9]) ).

thf(13,plain,
    ( ( ( sK2_SY14 @ sK3_SY17 )
      & ( in @ sK3_SY17 @ sK1_A )
      & ( ( dsetconstr @ sK1_A
          @ ^ [SY18: $i] : ( sK2_SY14 @ SY18 ) )
        = emptyset ) )
    = $true ),
    inference(copy,[status(thm)],[8]) ).

thf(14,plain,
    ( ( ~ ( ~ ~ ( ~ ( sK2_SY14 @ sK3_SY17 )
                | ~ ( in @ sK3_SY17 @ sK1_A ) )
          | ( ( dsetconstr @ sK1_A
              @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
           != emptyset ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13,dsetconstrI,emptysetE]) ).

thf(15,plain,
    ( ( ( ! [Xx: $i] :
            ~ ( in @ Xx @ emptyset ) )
      = $true )
    | ( ( ! [Xphi: $o] : Xphi )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[11]) ).

thf(16,plain,
    ! [SV1: $i] :
      ( ( ! [SY19: $i > $o,SY20: $i] :
            ( ~ ( in @ SY20 @ SV1 )
            | ~ ( SY19 @ SY20 )
            | ( in @ SY20
              @ ( dsetconstr @ SV1
                @ ^ [Xy: $i] : ( SY19 @ Xy ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[12]) ).

thf(17,plain,
    ( ( ~ ~ ( ~ ( sK2_SY14 @ sK3_SY17 )
            | ~ ( in @ sK3_SY17 @ sK1_A ) )
      | ( ( dsetconstr @ sK1_A
          @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
       != emptyset ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[14]) ).

thf(18,plain,
    ! [SV2: $i] :
      ( ( ( ~ ( in @ SV2 @ emptyset ) )
        = $true )
      | ( ( ! [Xphi: $o] : Xphi )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[15]) ).

thf(19,plain,
    ! [SV3: $i > $o,SV1: $i] :
      ( ( ! [SY22: $i] :
            ( ~ ( in @ SY22 @ SV1 )
            | ~ ( SV3 @ SY22 )
            | ( in @ SY22
              @ ( dsetconstr @ SV1
                @ ^ [SY23: $i] : ( SV3 @ SY23 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[16]) ).

thf(20,plain,
    ( ( ~ ~ ( ~ ( sK2_SY14 @ sK3_SY17 )
            | ~ ( in @ sK3_SY17 @ sK1_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[17]) ).

thf(21,plain,
    ( ( ( dsetconstr @ sK1_A
        @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
     != emptyset )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[17]) ).

thf(22,plain,
    ! [SV2: $i] :
      ( ( ( in @ SV2 @ emptyset )
        = $false )
      | ( ( ! [Xphi: $o] : Xphi )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[18]) ).

thf(23,plain,
    ! [SV3: $i > $o,SV1: $i,SV4: $i] :
      ( ( ~ ( in @ SV4 @ SV1 )
        | ~ ( SV3 @ SV4 )
        | ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SY23: $i] : ( SV3 @ SY23 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[19]) ).

thf(24,plain,
    ( ( ~ ( ~ ( sK2_SY14 @ sK3_SY17 )
          | ~ ( in @ sK3_SY17 @ sK1_A ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[20]) ).

thf(25,plain,
    ( ( ( dsetconstr @ sK1_A
        @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
      = emptyset )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[21]) ).

thf(26,plain,
    ! [SV2: $i,SV5: $o] :
      ( ( SV5 = $true )
      | ( ( in @ SV2 @ emptyset )
        = $false ) ),
    inference(extcnf_forall_special_pos,[status(thm)],[22]) ).

thf(29,plain,
    ! [SV3: $i > $o,SV1: $i,SV4: $i] :
      ( ( ( ~ ( in @ SV4 @ SV1 ) )
        = $true )
      | ( ( ~ ( SV3 @ SV4 )
          | ( in @ SV4
            @ ( dsetconstr @ SV1
              @ ^ [SY23: $i] : ( SV3 @ SY23 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[23]) ).

thf(30,plain,
    ( ( ~ ( sK2_SY14 @ sK3_SY17 )
      | ~ ( in @ sK3_SY17 @ sK1_A ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[24]) ).

thf(31,plain,
    ! [SV3: $i > $o,SV1: $i,SV4: $i] :
      ( ( ( in @ SV4 @ SV1 )
        = $false )
      | ( ( ~ ( SV3 @ SV4 )
          | ( in @ SV4
            @ ( dsetconstr @ SV1
              @ ^ [SY23: $i] : ( SV3 @ SY23 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[29]) ).

thf(32,plain,
    ( ( ~ ( sK2_SY14 @ sK3_SY17 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[30]) ).

thf(33,plain,
    ( ( ~ ( in @ sK3_SY17 @ sK1_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[30]) ).

thf(34,plain,
    ! [SV1: $i,SV4: $i,SV3: $i > $o] :
      ( ( ( ~ ( SV3 @ SV4 ) )
        = $true )
      | ( ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SY23: $i] : ( SV3 @ SY23 ) ) )
        = $true )
      | ( ( in @ SV4 @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[31]) ).

thf(35,plain,
    ( ( sK2_SY14 @ sK3_SY17 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[32]) ).

thf(36,plain,
    ( ( in @ sK3_SY17 @ sK1_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[33]) ).

thf(37,plain,
    ! [SV1: $i,SV4: $i,SV3: $i > $o] :
      ( ( ( SV3 @ SV4 )
        = $false )
      | ( ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SY23: $i] : ( SV3 @ SY23 ) ) )
        = $true )
      | ( ( in @ SV4 @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[34]) ).

thf(41,plain,
    ! [SV1: $i,SV4: $i] :
      ( ( $true = $false )
      | ( ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : $true ) )
        = $true )
      | ( ( in @ SV4 @ SV1 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[37:[bind(SV3,$thf( ^ [SV12: $i] : $true ))]]) ).

thf(43,plain,
    ! [SV1: $i,SV4: $i,SV10: $i > $o] :
      ( ( ( ~ ( SV10 @ SV4 ) )
        = $false )
      | ( ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] :
                ~ ( SV10 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV4 @ SV1 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[37:[bind(SV3,$thf( ^ [SV9: $i] : ~ ( SV10 @ SV9 ) ))]]) ).

thf(44,plain,
    ! [SV1: $i,SV4: $i] :
      ( ( ( SV4 = emptyset )
        = $false )
      | ( ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true )
      | ( ( in @ SV4 @ SV1 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[37:[bind(SV3,$thf( ^ [SV6: $i] : ( SV6 = emptyset ) ))]]) ).

thf(45,plain,
    ! [SV1: $i,SV4: $i] :
      ( ( ( SV4 = sK3_SY17 )
        = $false )
      | ( ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : ( SX0 = sK3_SY17 ) ) )
        = $true )
      | ( ( in @ SV4 @ SV1 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[37:[bind(SV3,$thf( ^ [SV7: $i] : ( SV7 = sK3_SY17 ) ))]]) ).

thf(46,plain,
    ! [SV1: $i,SV4: $i] :
      ( ( ( SV4 = sK1_A )
        = $false )
      | ( ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : ( SX0 = sK1_A ) ) )
        = $true )
      | ( ( in @ SV4 @ SV1 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[37:[bind(SV3,$thf( ^ [SV8: $i] : ( SV8 = sK1_A ) ))]]) ).

thf(47,plain,
    ! [SV2: $i,SV5: $o] :
      ( ( SV5 = $true )
      | ( ( SV5
          = ( ~ ( in @ SV2 @ emptyset ) ) )
        = $false ) ),
    inference(fac_restr,[status(thm)],[26]) ).

thf(48,plain,
    ! [SV2: $i,SV5: $o] :
      ( ( ( ~ ( SV5
              | ~ ( in @ SV2 @ emptyset ) )
          | ~ ( ~ SV5
              | ~ ~ ( in @ SV2 @ emptyset ) ) )
        = $false )
      | ( SV5 = $true ) ),
    inference(extcnf_equal_neg,[status(thm)],[47]) ).

thf(49,plain,
    ! [SV2: $i,SV5: $o] :
      ( ( ( SV5
          = ( ~ ( in @ SV2 @ emptyset ) ) )
        = $false )
      | ( SV5 = $true ) ),
    inference(extcnf_equal_neg,[status(thm)],[47]) ).

thf(50,plain,
    ! [SV2: $i,SV5: $o] :
      ( ( ( ~ ( SV5
              | ~ ( in @ SV2 @ emptyset ) ) )
        = $false )
      | ( SV5 = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[48]) ).

thf(52,plain,
    ! [SV2: $i,SV5: $o] :
      ( ( ( SV5
          | ~ ( in @ SV2 @ emptyset ) )
        = $true )
      | ( SV5 = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[50]) ).

thf(54,plain,
    ! [SV2: $i,SV5: $o] :
      ( ( SV5 = $true )
      | ( ( ~ ( in @ SV2 @ emptyset ) )
        = $true )
      | ( SV5 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[52]) ).

thf(56,plain,
    ! [SV5: $o,SV2: $i] :
      ( ( ( in @ SV2 @ emptyset )
        = $false )
      | ( SV5 = $true )
      | ( SV5 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[54]) ).

thf(60,plain,
    ! [SV2: $i] :
      ( ( ~ ( in @ SV2 @ emptyset ) )
      = $true ),
    inference(extuni,[status(esa)],[49:[bind(SV5,$thf( ~ ( in @ SV2 @ emptyset ) ))]]) ).

thf(61,plain,
    ! [SV2: $i] :
      ( ( in @ SV2 @ emptyset )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[60]) ).

thf(63,plain,
    ! [SV1: $i,SV4: $i,SV10: $i > $o] :
      ( ( ( SV10 @ SV4 )
        = $true )
      | ( ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] :
                ~ ( SV10 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV4 @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[43]) ).

thf(64,plain,
    ! [SV1: $i] :
      ( ( ( in @ emptyset @ SV1 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[44:[bind(SV4,$thf( emptyset ))]]) ).

thf(65,plain,
    ! [SV1: $i] :
      ( ( ( in @ sK3_SY17 @ SV1 )
        = $false )
      | ( ( in @ sK3_SY17
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : ( SX0 = sK3_SY17 ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[45:[bind(SV4,$thf( sK3_SY17 ))]]) ).

thf(66,plain,
    ! [SV1: $i] :
      ( ( ( in @ sK1_A @ SV1 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : ( SX0 = sK1_A ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[46:[bind(SV4,$thf( sK1_A ))]]) ).

thf(68,plain,
    ! [SV5: $o,SV2: $i] :
      ( ( ( in @ SV2 @ emptyset )
        = $false )
      | ( SV5 = $true ) ),
    inference(sim,[status(thm)],[56]) ).

thf(71,plain,
    ! [SV1: $i,SV4: $i] :
      ( ( ( in @ SV4
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : $true ) )
        = $true )
      | ( ( in @ SV4 @ SV1 )
        = $false ) ),
    inference(sim,[status(thm)],[41]) ).

thf(72,plain,
    ! [SV14: $i] :
      ( ( in @ SV14 @ emptyset )
      = $false ),
    inference(rename,[status(thm)],[61]) ).

thf(73,plain,
    ! [SV14: $i] :
      ( ( ( in @ SV14 @ emptyset )
        = ( in @ sK3_SY17 @ sK1_A ) )
      = $false ),
    inference(res,[status(thm)],[72,36]) ).

thf(76,plain,
    ( ( emptyset = sK1_A )
    = $false ),
    inference(extuni,[status(esa)],[73:[bind(SV14,$thf( sK3_SY17 ))]]) ).

thf(83,plain,
    ( ( ( emptyset = sK1_A )
      = ( ( dsetconstr @ sK1_A
          @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
        = emptyset ) )
    = $false ),
    inference(res,[status(thm)],[76,25]) ).

thf(84,plain,
    ( ( sK1_A
      = ( dsetconstr @ sK1_A
        @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
    = $false ),
    inference(extuni,[status(esa)],[83]) ).

thf(85,plain,
    ( ( ( sK1_A = emptyset )
      = $false )
    | ( ( emptyset
        = ( dsetconstr @ sK1_A
          @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
      = $false ) ),
    inference(extuni,[status(esa)],[83]) ).

thf(86,plain,
    ! [SV20: $i,SV21: $i,SV22: $i > $o] :
      ( ( ( SV22 @ SV21 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SV22 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(rename,[status(thm)],[37]) ).

thf(92,plain,
    ! [SV20: $i,SV21: $i,SV22: $i > $o,SV14: $i] :
      ( ( ( ( in @ SV21
            @ ( dsetconstr @ SV20
              @ ^ [SX0: $i] : ( SV22 @ SX0 ) ) )
          = ( in @ SV14 @ emptyset ) )
        = $false )
      | ( ( SV22 @ SV21 )
        = $false )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(res,[status(thm)],[86,72]) ).

thf(93,plain,
    ! [SV20: $i,SV21: $i,SV22: $i > $o] :
      ( ( ( ( in @ SV21 @ SV20 )
          = ( in @ sK3_SY17 @ sK1_A ) )
        = $false )
      | ( ( SV22 @ SV21 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SV22 @ SX0 ) ) )
        = $true ) ),
    inference(res,[status(thm)],[86,36]) ).

thf(94,plain,
    ! [SV20: $i,SV21: $i,SV22: $i > $o] :
      ( ( ( ( SV22 @ SV21 )
          = ( in @ sK3_SY17 @ sK1_A ) )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SV22 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(res,[status(thm)],[86,36]) ).

thf(96,plain,
    ! [SV20: $i,SV21: $i,SV22: $i > $o] :
      ( ( ( ( SV22 @ SV21 )
          = ( sK2_SY14 @ sK3_SY17 ) )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SV22 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(res,[status(thm)],[86,35]) ).

thf(98,plain,
    ! [SV20: $i,SV21: $i,SV22: $i > $o] :
      ( ( ( ( SV22 @ SV21 )
          = ( ( dsetconstr @ sK1_A
              @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
            = emptyset ) )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SV22 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(res,[status(thm)],[86,25]) ).

thf(99,plain,
    ! [SV20: $i,SV21: $i] :
      ( ( $true = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : $true ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[86:[bind(SV22,$thf( ^ [SV36: $i] : $true ))]]) ).

thf(100,plain,
    ! [SV20: $i,SV21: $i] :
      ( ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : $true ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(sim,[status(thm)],[99]) ).

thf(102,plain,
    ! [SV20: $i,SV21: $i,SV34: $i > $o] :
      ( ( ( ~ ( SV34 @ SV21 ) )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ~ ( SV34 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[86:[bind(SV22,$thf( ^ [SV33: $i] : ~ ( SV34 @ SV33 ) ))]]) ).

thf(103,plain,
    ! [SV20: $i,SV21: $i] :
      ( ( ( SV21 = sK3_SY17 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SX0 = sK3_SY17 ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[86:[bind(SV22,$thf( ^ [SV30: $i] : ( SV30 = sK3_SY17 ) ))]]) ).

thf(104,plain,
    ! [SV20: $i,SV21: $i] :
      ( ( ( SV21 = sK1_A )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SX0 = sK1_A ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[86:[bind(SV22,$thf( ^ [SV31: $i] : ( SV31 = sK1_A ) ))]]) ).

thf(105,plain,
    ! [SV20: $i,SV21: $i] :
      ( ( ( SV21 = emptyset )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[86:[bind(SV22,$thf( ^ [SV32: $i] : ( SV32 = emptyset ) ))]]) ).

thf(106,plain,
    ! [SV20: $i,SV29: $i > $o,SV21: $i,SV28: $i > $o] :
      ( ( ( ( SV28 @ SV21 )
          | ( SV29 @ SV21 ) )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( SV28 @ SX0 )
                | ( SV29 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[86:[bind(SV22,$thf( ^ [SV27: $i] : ( ( SV28 @ SV27 ) | ( SV29 @ SV27 ) ) ))]]) ).

thf(108,plain,
    ! [SV74: $i > $i > $i,SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( SX0
                = ( dsetconstr @ SX0
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) ) )
        = $true )
      | ( ( sK1_A = emptyset )
        = $false )
      | ( ( sK2_SY14
          @ ( SV74 @ sK1_A
            @ ( sK5_E @ SV20
              @ ^ [SX0: $i] : SX0
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( sK5_E @ SV20
            @ ^ [SX0: $i] : SX0
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( sK1_A )),bind(SV22,$thf( ^ [SX0: $i] : ( SX0 = ( dsetconstr @ SX0 @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) ))]]) ).

thf(109,plain,
    ! [SV74: $i > $i > $i,SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( emptyset
                = ( dsetconstr @ SX0
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV74 @ sK1_A
            @ ( sK5_E @ SV20
              @ ^ [SX0: $i] : emptyset
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( sK5_E @ SV20
            @ ^ [SX0: $i] : emptyset
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( sK1_A )),bind(SV22,$thf( ^ [SX0: $i] : ( emptyset = ( dsetconstr @ SX0 @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) ))]]) ).

thf(110,plain,
    ! [SV74: $i > $i > $i,SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( SX0
                = ( dsetconstr @ SX0
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) ) )
        = $true )
      | ( ( sK1_A = emptyset )
        = $false )
      | ( ( sK2_SY14
          @ ( SV74 @ sK1_A
            @ ( sK5_E @ SV20
              @ ^ [SX0: $i] : SX0
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) )
        = $false )
      | ( ( sK2_SY14
          @ ( sK5_E @ SV20
            @ ^ [SX0: $i] : SX0
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( sK1_A )),bind(SV22,$thf( ^ [SX0: $i] : ( SX0 = ( dsetconstr @ SX0 @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) ))]]) ).

thf(111,plain,
    ! [SV74: $i > $i > $i,SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( emptyset
                = ( dsetconstr @ SX0
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV74 @ sK1_A
            @ ( sK5_E @ SV20
              @ ^ [SX0: $i] : emptyset
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) )
        = $false )
      | ( ( sK2_SY14
          @ ( sK5_E @ SV20
            @ ^ [SX0: $i] : emptyset
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( sK1_A )),bind(SV22,$thf( ^ [SX0: $i] : ( emptyset = ( dsetconstr @ SX0 @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV74 @ SX0 @ SX1 ) ) ) ) ))]]) ).

thf(112,plain,
    ! [SV53: $i > $i > $i,SV20: $i] :
      ( ( ( in @ emptyset @ SV20 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( SX0
                = ( dsetconstr @ sK1_A
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV53 @ emptyset
            @ ( sK4_E @ SV20
              @ ^ [SX0: $i] : SX0
              @ emptyset
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( sK4_E @ SV20
            @ ^ [SX0: $i] : SX0
            @ emptyset
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( emptyset )),bind(SV22,$thf( ^ [SX0: $i] : ( SX0 = ( dsetconstr @ sK1_A @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) ))]]) ).

thf(113,plain,
    ! [SV53: $i > $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( emptyset
                = ( dsetconstr @ sK1_A
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV53 @ SV21
            @ ( sK4_E @ SV20
              @ ^ [SX0: $i] : emptyset
              @ SV21
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( sK4_E @ SV20
            @ ^ [SX0: $i] : emptyset
            @ SV21
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV22,$thf( ^ [SX0: $i] : ( emptyset = ( dsetconstr @ sK1_A @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) ))]]) ).

thf(114,plain,
    ! [SV53: $i > $i > $i,SV20: $i] :
      ( ( ( in @ emptyset @ SV20 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( SX0
                = ( dsetconstr @ sK1_A
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV53 @ emptyset
            @ ( sK4_E @ SV20
              @ ^ [SX0: $i] : SX0
              @ emptyset
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) )
        = $false )
      | ( ( sK2_SY14
          @ ( sK4_E @ SV20
            @ ^ [SX0: $i] : SX0
            @ emptyset
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( emptyset )),bind(SV22,$thf( ^ [SX0: $i] : ( SX0 = ( dsetconstr @ sK1_A @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) ))]]) ).

thf(115,plain,
    ! [SV53: $i > $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( emptyset
                = ( dsetconstr @ sK1_A
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV53 @ SV21
            @ ( sK4_E @ SV20
              @ ^ [SX0: $i] : emptyset
              @ SV21
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) )
        = $false )
      | ( ( sK2_SY14
          @ ( sK4_E @ SV20
            @ ^ [SX0: $i] : emptyset
            @ SV21
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV22,$thf( ^ [SX0: $i] : ( emptyset = ( dsetconstr @ sK1_A @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV53 @ SX0 @ SX1 ) ) ) ) ))]]) ).

thf(116,plain,
    ! [SV44: $i > $i > $o,SV43: $i > $i,SV20: $i] :
      ( ( ( in @ emptyset @ SV20 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( SX0
                = ( dsetconstr @ ( SV43 @ SX0 ) @ ( SV44 @ SX0 ) ) ) ) )
        = $true )
      | ( ( ( dsetconstr @ ( SV43 @ emptyset ) @ ( SV44 @ emptyset ) )
          = ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( emptyset )),bind(SV22,$thf( ^ [SX0: $i] : ( SX0 = ( dsetconstr @ ( SV43 @ SX0 ) @ ( SV44 @ SX0 ) ) ) ))]]) ).

thf(117,plain,
    ! [SV44: $i > $i > $o,SV43: $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( emptyset
                = ( dsetconstr @ ( SV43 @ SX0 ) @ ( SV44 @ SX0 ) ) ) ) )
        = $true )
      | ( ( ( dsetconstr @ ( SV43 @ SV21 ) @ ( SV44 @ SV21 ) )
          = ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV22,$thf( ^ [SX0: $i] : ( emptyset = ( dsetconstr @ ( SV43 @ SX0 ) @ ( SV44 @ SX0 ) ) ) ))]]) ).

thf(118,plain,
    ! [SV20: $i] :
      ( ( ( in
          @ ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          @ SV20 )
        = $false )
      | ( ( in
          @ ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SX0 = SX0 ) ) )
        = $true )
      | ( ( ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          = emptyset )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( dsetconstr @ sK1_A @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )),bind(SV22,$thf( ^ [SX0: $i] : ( SX0 = SX0 ) ))]]) ).

thf(119,plain,
    ! [SV20: $i] :
      ( ( ( in
          @ ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          @ SV20 )
        = $false )
      | ( ( in
          @ ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( emptyset = SX0 ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( dsetconstr @ sK1_A @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )),bind(SV22,$thf( ^ [SX0: $i] : ( emptyset = SX0 ) ))]]) ).

thf(120,plain,
    ! [SV127: $i > $i > $i,SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ SX0
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) )
                = SX0 ) ) )
        = $true )
      | ( ( sK1_A = emptyset )
        = $false )
      | ( ( sK2_SY14
          @ ( SV127 @ sK1_A
            @ ( sK7_E @ SV20
              @ ^ [SX0: $i] : SX0
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( sK7_E @ SV20
            @ ^ [SX0: $i] : SX0
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( sK1_A )),bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ SX0 @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) = SX0 ) ))]]) ).

thf(121,plain,
    ! [SV127: $i > $i > $i,SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ SX0
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) )
                = emptyset ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV127 @ sK1_A
            @ ( sK7_E @ SV20
              @ ^ [SX0: $i] : emptyset
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( sK7_E @ SV20
            @ ^ [SX0: $i] : emptyset
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( sK1_A )),bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ SX0 @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) = emptyset ) ))]]) ).

thf(122,plain,
    ! [SV127: $i > $i > $i,SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ SX0
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) )
                = SX0 ) ) )
        = $true )
      | ( ( sK1_A = emptyset )
        = $false )
      | ( ( sK2_SY14
          @ ( SV127 @ sK1_A
            @ ( sK7_E @ SV20
              @ ^ [SX0: $i] : SX0
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) ) )
        = $false )
      | ( ( sK2_SY14
          @ ( sK7_E @ SV20
            @ ^ [SX0: $i] : SX0
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( sK1_A )),bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ SX0 @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) = SX0 ) ))]]) ).

thf(123,plain,
    ! [SV127: $i > $i > $i,SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ SX0
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) )
                = emptyset ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV127 @ sK1_A
            @ ( sK7_E @ SV20
              @ ^ [SX0: $i] : emptyset
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) ) )
        = $false )
      | ( ( sK2_SY14
          @ ( sK7_E @ SV20
            @ ^ [SX0: $i] : emptyset
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( sK1_A )),bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ SX0 @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV127 @ SX0 @ SX1 ) ) ) = emptyset ) ))]]) ).

thf(124,plain,
    ! [SV106: $i > $i > $i,SV20: $i] :
      ( ( ( in @ emptyset @ SV20 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ sK1_A
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) )
                = SX0 ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV106 @ emptyset
            @ ( sK6_E @ SV20
              @ ^ [SX0: $i] : SX0
              @ emptyset
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( sK6_E @ SV20
            @ ^ [SX0: $i] : SX0
            @ emptyset
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( emptyset )),bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ sK1_A @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) = SX0 ) ))]]) ).

thf(125,plain,
    ! [SV106: $i > $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ sK1_A
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) )
                = emptyset ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV106 @ SV21
            @ ( sK6_E @ SV20
              @ ^ [SX0: $i] : emptyset
              @ SV21
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( sK6_E @ SV20
            @ ^ [SX0: $i] : emptyset
            @ SV21
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ sK1_A @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) = emptyset ) ))]]) ).

thf(126,plain,
    ! [SV106: $i > $i > $i,SV20: $i] :
      ( ( ( in @ emptyset @ SV20 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ sK1_A
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) )
                = SX0 ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV106 @ emptyset
            @ ( sK6_E @ SV20
              @ ^ [SX0: $i] : SX0
              @ emptyset
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) ) )
        = $false )
      | ( ( sK2_SY14
          @ ( sK6_E @ SV20
            @ ^ [SX0: $i] : SX0
            @ emptyset
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( emptyset )),bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ sK1_A @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) = SX0 ) ))]]) ).

thf(127,plain,
    ! [SV106: $i > $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ sK1_A
                  @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) )
                = emptyset ) ) )
        = $true )
      | ( ( sK2_SY14
          @ ( SV106 @ SV21
            @ ( sK6_E @ SV20
              @ ^ [SX0: $i] : emptyset
              @ SV21
              @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) ) )
        = $false )
      | ( ( sK2_SY14
          @ ( sK6_E @ SV20
            @ ^ [SX0: $i] : emptyset
            @ SV21
            @ ^ [SX0: $i,SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ sK1_A @ ^ [SX1: $i] : ( sK2_SY14 @ ( SV106 @ SX0 @ SX1 ) ) ) = emptyset ) ))]]) ).

thf(128,plain,
    ! [SV97: $i > $i > $o,SV96: $i > $i,SV20: $i] :
      ( ( ( in @ emptyset @ SV20 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ ( SV96 @ SX0 ) @ ( SV97 @ SX0 ) )
                = SX0 ) ) )
        = $true )
      | ( ( ( dsetconstr @ ( SV96 @ emptyset ) @ ( SV97 @ emptyset ) )
          = ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( emptyset )),bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ ( SV96 @ SX0 ) @ ( SV97 @ SX0 ) ) = SX0 ) ))]]) ).

thf(129,plain,
    ! [SV97: $i > $i > $o,SV96: $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( dsetconstr @ ( SV96 @ SX0 ) @ ( SV97 @ SX0 ) )
                = emptyset ) ) )
        = $true )
      | ( ( ( dsetconstr @ ( SV96 @ SV21 ) @ ( SV97 @ SV21 ) )
          = ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV22,$thf( ^ [SX0: $i] : ( ( dsetconstr @ ( SV96 @ SX0 ) @ ( SV97 @ SX0 ) ) = emptyset ) ))]]) ).

thf(130,plain,
    ! [SV20: $i] :
      ( ( ( in
          @ ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          @ SV20 )
        = $false )
      | ( ( in
          @ ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SX0 = SX0 ) ) )
        = $true )
      | ( ( ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          = emptyset )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( dsetconstr @ sK1_A @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )),bind(SV22,$thf( ^ [SX0: $i] : ( SX0 = SX0 ) ))]]) ).

thf(131,plain,
    ! [SV20: $i] :
      ( ( ( in
          @ ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          @ SV20 )
        = $false )
      | ( ( in
          @ ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV21,$thf( dsetconstr @ sK1_A @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )),bind(SV22,$thf( ^ [SX0: $i] : ( SX0 = emptyset ) ))]]) ).

thf(132,plain,
    ! [SV40: $i > $i,SV39: $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( SV39 @ SX0 )
                = ( SV40 @ SX0 ) ) ) )
        = $true )
      | ( ( ( SV39 @ SV21 )
          = ( SV40 @ SV21 ) )
        = $true )
      | ( ( ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          = emptyset )
        = $true ) ),
    inference(extuni,[status(esa)],[98:[bind(SV22,$thf( ^ [SX0: $i] : ( ( SV39 @ SX0 ) = ( SV40 @ SX0 ) ) ))]]) ).

thf(133,plain,
    ! [SV40: $i > $i,SV39: $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( SV39 @ SX0 )
                = ( SV40 @ SX0 ) ) ) )
        = $true )
      | ( ( ( SV39 @ SV21 )
          = ( SV40 @ SV21 ) )
        = $false )
      | ( ( ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
          = emptyset )
        = $false ) ),
    inference(extuni,[status(esa)],[98:[bind(SV22,$thf( ^ [SX0: $i] : ( ( SV39 @ SX0 ) = ( SV40 @ SX0 ) ) ))]]) ).

thf(134,plain,
    ! [SV20: $i] :
      ( ( ( in @ sK3_SY17 @ SV20 )
        = $false )
      | ( ( in @ sK3_SY17
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[96:[bind(SV21,$thf( sK3_SY17 )),bind(SV22,$thf( ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ))]]) ).

thf(135,plain,
    ! [SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( sK2_SY14 @ sK3_SY17 ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[96:[bind(SV22,$thf( ^ [SX0: $i] : ( sK2_SY14 @ sK3_SY17 ) ))]]) ).

thf(136,plain,
    ! [SV149: $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( sK2_SY14 @ ( SV149 @ SX0 ) ) ) )
        = $true )
      | ( ( sK2_SY14 @ ( SV149 @ SV21 ) )
        = $true )
      | ( ( sK2_SY14 @ sK3_SY17 )
        = $true ) ),
    inference(extuni,[status(esa)],[96:[bind(SV22,$thf( ^ [SX0: $i] : ( sK2_SY14 @ ( SV149 @ SX0 ) ) ))]]) ).

thf(137,plain,
    ! [SV149: $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( sK2_SY14 @ ( SV149 @ SX0 ) ) ) )
        = $true )
      | ( ( sK2_SY14 @ ( SV149 @ SV21 ) )
        = $false )
      | ( ( sK2_SY14 @ sK3_SY17 )
        = $false ) ),
    inference(extuni,[status(esa)],[96:[bind(SV22,$thf( ^ [SX0: $i] : ( sK2_SY14 @ ( SV149 @ SX0 ) ) ))]]) ).

thf(138,plain,
    ! [SV20: $i] :
      ( ( ( in @ sK3_SY17 @ SV20 )
        = $false )
      | ( ( in @ sK3_SY17
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( in @ SX0 @ SX0 ) ) )
        = $true )
      | ( ( sK3_SY17 = sK1_A )
        = $false ) ),
    inference(extuni,[status(esa)],[94:[bind(SV21,$thf( sK3_SY17 )),bind(SV22,$thf( ^ [SX0: $i] : ( in @ SX0 @ SX0 ) ))]]) ).

thf(139,plain,
    ! [SV20: $i] :
      ( ( ( in @ sK3_SY17 @ SV20 )
        = $false )
      | ( ( in @ sK3_SY17
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( in @ SX0 @ sK1_A ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[94:[bind(SV21,$thf( sK3_SY17 )),bind(SV22,$thf( ^ [SX0: $i] : ( in @ SX0 @ sK1_A ) ))]]) ).

thf(140,plain,
    ! [SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( in @ sK3_SY17 @ SX0 ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[94:[bind(SV21,$thf( sK1_A )),bind(SV22,$thf( ^ [SX0: $i] : ( in @ sK3_SY17 @ SX0 ) ))]]) ).

thf(141,plain,
    ! [SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( in @ sK3_SY17 @ sK1_A ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[94:[bind(SV22,$thf( ^ [SX0: $i] : ( in @ sK3_SY17 @ sK1_A ) ))]]) ).

thf(142,plain,
    ! [SV155: $i > $i,SV154: $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( in @ ( SV154 @ SX0 ) @ ( SV155 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ ( SV154 @ SV21 ) @ ( SV155 @ SV21 ) )
        = $true )
      | ( ( in @ sK3_SY17 @ sK1_A )
        = $true ) ),
    inference(extuni,[status(esa)],[94:[bind(SV22,$thf( ^ [SX0: $i] : ( in @ ( SV154 @ SX0 ) @ ( SV155 @ SX0 ) ) ))]]) ).

thf(143,plain,
    ! [SV155: $i > $i,SV154: $i > $i,SV20: $i,SV21: $i] :
      ( ( ( in @ SV21 @ SV20 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( in @ ( SV154 @ SX0 ) @ ( SV155 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ ( SV154 @ SV21 ) @ ( SV155 @ SV21 ) )
        = $false )
      | ( ( in @ sK3_SY17 @ sK1_A )
        = $false ) ),
    inference(extuni,[status(esa)],[94:[bind(SV22,$thf( ^ [SX0: $i] : ( in @ ( SV154 @ SX0 ) @ ( SV155 @ SX0 ) ) ))]]) ).

thf(144,plain,
    ! [SV22: $i > $o] :
      ( ( ( in @ sK3_SY17
          @ ( dsetconstr @ sK1_A
            @ ^ [SX0: $i] : ( SV22 @ SX0 ) ) )
        = $true )
      | ( ( SV22 @ sK3_SY17 )
        = $false ) ),
    inference(extuni,[status(esa)],[93:[bind(SV20,$thf( sK1_A )),bind(SV21,$thf( sK3_SY17 ))]]) ).

thf(145,plain,
    ! [SV22: $i > $o,SV20: $i,SV14: $i] :
      ( ( ( in @ SV14 @ SV20 )
        = $false )
      | ( ( SV22 @ SV14 )
        = $false )
      | ( ( ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SV22 @ SX0 ) )
          = emptyset )
        = $false ) ),
    inference(extuni,[status(esa)],[92:[bind(SV21,$thf( SV14 ))]]) ).

thf(148,plain,
    ! [SV20: $i] :
      ( ( ( in @ sK3_SY17 @ SV20 )
        = $false )
      | ( ( in @ sK3_SY17
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SX0 = sK3_SY17 ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[103:[bind(SV21,$thf( sK3_SY17 ))]]) ).

thf(149,plain,
    ! [SV20: $i] :
      ( ( ( in @ sK1_A @ SV20 )
        = $false )
      | ( ( in @ sK1_A
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SX0 = sK1_A ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[104:[bind(SV21,$thf( sK1_A ))]]) ).

thf(150,plain,
    ! [SV20: $i] :
      ( ( ( in @ emptyset @ SV20 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[105:[bind(SV21,$thf( emptyset ))]]) ).

thf(151,plain,
    ! [SV20: $i,SV21: $i,SV34: $i > $o] :
      ( ( ( SV34 @ SV21 )
        = $true )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ~ ( SV34 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[102]) ).

thf(152,plain,
    ! [SV29: $i > $o,SV20: $i,SV21: $i,SV28: $i > $o] :
      ( ( ( SV28 @ SV21 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( SV28 @ SX0 )
                | ( SV29 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[106]) ).

thf(153,plain,
    ! [SV28: $i > $o,SV20: $i,SV21: $i,SV29: $i > $o] :
      ( ( ( SV29 @ SV21 )
        = $false )
      | ( ( in @ SV21
          @ ( dsetconstr @ SV20
            @ ^ [SX0: $i] :
                ( ( SV28 @ SX0 )
                | ( SV29 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ SV21 @ SV20 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[106]) ).

thf(157,plain,
    ( ( ( sK1_A
        = ( dsetconstr @ sK1_A
          @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
      = ( ( dsetconstr @ sK1_A
          @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
        = emptyset ) )
    = $false ),
    inference(res,[status(thm)],[84,25]) ).

thf(158,plain,
    ( ( sK1_A = emptyset )
    = $false ),
    inference(extuni,[status(esa)],[157]) ).

thf(159,plain,
    ( ( ( ( dsetconstr @ sK1_A
          @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
        = emptyset )
      = $false )
    | ( ( sK1_A
        = ( dsetconstr @ sK1_A
          @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
      = $false ) ),
    inference(extuni,[status(esa)],[157]) ).

thf(163,plain,
    ( ( ( sK1_A = emptyset )
      = ( ( dsetconstr @ sK1_A
          @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) )
        = emptyset ) )
    = $false ),
    inference(res,[status(thm)],[158,25]) ).

thf(164,plain,
    ( ( ( sK1_A = emptyset )
      = $false )
    | ( ( emptyset
        = ( dsetconstr @ sK1_A
          @ ^ [SX0: $i] : ( sK2_SY14 @ SX0 ) ) )
      = $false ) ),
    inference(extuni,[status(esa)],[163]) ).

thf(167,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[25,164,159,158,153,152,151,150,149,148,145,144,143,142,141,140,139,138,137,136,135,134,133,132,131,130,129,128,127,126,125,124,123,122,121,120,119,118,117,116,115,114,113,112,111,110,109,108,100,86,85,84,76,72,71,68,66,65,64,63,36,35]) ).

thf(168,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[167]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU534^2 : TPTP v9.3.1. Released v3.7.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.20  % Computer : n005.cluster.edu
% 0.10/0.20  % Model    : x86_64 x86_64
% 0.10/0.20  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.20  % Memory   : 8046.5625MB
% 0.10/0.20  % OS       : Linux 6.8.0-71-generic
% 0.10/0.20  % CPULimit : 300
% 0.10/0.20  % WCLimit  : 300
% 0.10/0.20  % DateTime : Tue Oct  6 15:27:30 UTC 2026
% 0.10/0.20  % CPUTime  : 
% 0.10/0.20  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 1.37/0.53  
% 1.37/0.53   No.of.Axioms: 0
% 1.37/0.53  
% 1.37/0.53   Length.of.Defs: 394
% 1.37/0.53  
% 1.37/0.53   Contains.Choice.Funs: false
% 1.37/0.53  ....
% 1.37/0.53  
% 1.37/0.53  ********************************
% 1.37/0.53  *   All subproblems solved!    *
% 1.37/0.53  ********************************
% 1.37/0.53  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:2,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:15,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:167,loop_count:15,foatp_calls:5,translation:fof_full)
% 1.37/0.53  
% 1.37/0.53  %**** Beginning of derivation protocol ****
% 1.37/0.53  % SZS output start CNFRefutation
% See solution above
% 1.37/0.53  
% 1.37/0.53  %**** End of derivation protocol ****
% 1.37/0.53  %**** no. of clauses in derivation: 125 ****
% 1.37/0.53  %**** clause counter: 167 ****
% 1.37/0.53  
% 1.37/0.53  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:2,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:15,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:167,loop_count:15,foatp_calls:5,translation:fof_full)
%------------------------------------------------------------------------------