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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEU540^2 : 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/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p

% Computer : n026.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 10:44:54 AM UTC 2026

% Result   : Theorem 271.07s 45.44s
% Output   : CNFRefutation 271.07s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :    4
% Syntax   : Number of formulae    :  142 (  38 unt;   0 typ;   3 def)
%            Number of atoms       : 1125 ( 411 equ;   0 cnn)
%            Maximal formula atoms :    5 (   7 avg)
%            Number of connectives : 1691 (  64   ~; 221   |;   4   &;1379   @)
%                                         (   0 <=>;  23  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   73 (  73   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   15 (  12 usr;   8 con; 0-2 aty)
%            Number of variables   :  457 ( 123   ^; 334   !;   0   ?; 457   :)

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

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

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

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

thf(tp_powerset,type,
    powerset: $i > $i ).

thf(tp_powersetI,type,
    powersetI: $o ).

thf(tp_prop2set,type,
    prop2set: $o > $i ).

thf(tp_sK1_SY0,type,
    sK1_SY0: $o ).

thf(tp_sK2_Xx,type,
    sK2_Xx: $i > $i > $i ).

thf(tp_sK3_E,type,
    sK3_E: ( $i > $o ) > $i ).

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

thf(tp_sK5_E,type,
    sK5_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/sandbox/benchmark/theBenchmark.p',dsetconstrI) ).

thf(powersetI,definition,
    ( powersetI
    = ( ! [A: $i,B: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ B )
             => ( in @ Xx @ A ) )
         => ( in @ B @ ( powerset @ A ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',powersetI) ).

thf(prop2set,definition,
    ( prop2set
    = ( ^ [Xphi: $o] :
          ( dsetconstr @ ( powerset @ emptyset )
          @ ^ [Xx: $i] : Xphi ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prop2set) ).

thf(1,conjecture,
    ( dsetconstrI
   => ( powersetI
     => ! [Xphi: $o] :
          ( Xphi
         => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prop2setI) ).

thf(2,negated_conjecture,
    ( ( dsetconstrI
     => ( powersetI
       => ! [Xphi: $o] :
            ( Xphi
           => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) )
    = $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 ) ) ) ) )
     => ( ! [A: $i,B: $i] :
            ( ! [Xx: $i] :
                ( ( in @ Xx @ B )
               => ( in @ Xx @ A ) )
           => ( in @ B @ ( powerset @ A ) ) )
       => ! [SY0: $o] :
            ( SY0
           => ( in @ emptyset
              @ ( dsetconstr @ ( powerset @ emptyset )
                @ ^ [SY1: $i] : SY0 ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[2,dsetconstrI,powersetI,prop2set]) ).

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,
    ( ( ! [A: $i,B: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ B )
             => ( in @ Xx @ A ) )
         => ( in @ B @ ( powerset @ A ) ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(6,plain,
    ( ( ! [SY0: $o] :
          ( SY0
         => ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SY1: $i] : SY0 ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(7,plain,
    ( ( ~ ! [SY0: $o] :
            ( SY0
           => ( in @ emptyset
              @ ( dsetconstr @ ( powerset @ emptyset )
                @ ^ [SY1: $i] : SY0 ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[6]) ).

thf(8,plain,
    ( ( sK1_SY0
      & ~ ( in @ emptyset
          @ ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [SY11: $i] : sK1_SY0 ) ) )
    = $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,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK2_Xx @ B @ A ) @ B )
            & ~ ( in @ ( sK2_Xx @ B @ A ) @ A ) )
          | ( in @ B @ ( powerset @ A ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[5]) ).

thf(11,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( ( in @ ( sK2_Xx @ B @ A ) @ B )
            & ~ ( in @ ( sK2_Xx @ B @ A ) @ A ) )
          | ( in @ B @ ( powerset @ A ) ) ) )
    = $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,
    ( ( sK1_SY0
      & ~ ( in @ emptyset
          @ ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [SY11: $i] : sK1_SY0 ) ) )
    = $true ),
    inference(copy,[status(thm)],[8]) ).

thf(14,plain,
    ( ( ~ ( ~ sK1_SY0
          | ~ ~ ( in @ emptyset
                @ ( dsetconstr @ ( powerset @ emptyset )
                  @ ^ [SX0: $i] : sK1_SY0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13,dsetconstrI,powersetI,prop2set]) ).

thf(15,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( in @ ( sK2_Xx @ SX1 @ SX0 ) @ SX1 )
              | ~ ~ ( in @ ( sK2_Xx @ SX1 @ SX0 ) @ SX0 ) )
          | ( in @ SX1 @ ( powerset @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11,dsetconstrI,powersetI,prop2set]) ).

thf(16,plain,
    ! [SV1: $i] :
      ( ( ! [SY12: $i > $o,SY13: $i] :
            ( ~ ( in @ SY13 @ SV1 )
            | ~ ( SY12 @ SY13 )
            | ( in @ SY13
              @ ( dsetconstr @ SV1
                @ ^ [Xy: $i] : ( SY12 @ Xy ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[12]) ).

thf(17,plain,
    ( ( ~ sK1_SY0
      | ~ ~ ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : sK1_SY0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[14]) ).

thf(18,plain,
    ! [SV2: $i] :
      ( ( ! [SY15: $i] :
            ( ~ ( ~ ( in @ ( sK2_Xx @ SY15 @ SV2 ) @ SY15 )
                | ~ ~ ( in @ ( sK2_Xx @ SY15 @ SV2 ) @ SV2 ) )
            | ( in @ SY15 @ ( powerset @ SV2 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[15]) ).

thf(19,plain,
    ! [SV3: $i > $o,SV1: $i] :
      ( ( ! [SY16: $i] :
            ( ~ ( in @ SY16 @ SV1 )
            | ~ ( SV3 @ SY16 )
            | ( in @ SY16
              @ ( dsetconstr @ SV1
                @ ^ [SY17: $i] : ( SV3 @ SY17 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[16]) ).

thf(20,plain,
    ( ( ~ sK1_SY0 ) = $false ),
    inference(extcnf_or_neg,[status(thm)],[17]) ).

thf(21,plain,
    ( ( ~ ~ ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : sK1_SY0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[17]) ).

thf(22,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ~ ( ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
            | ~ ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV2 ) )
        | ( in @ SV4 @ ( powerset @ SV2 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[18]) ).

thf(23,plain,
    ! [SV3: $i > $o,SV1: $i,SV5: $i] :
      ( ( ~ ( in @ SV5 @ SV1 )
        | ~ ( SV3 @ SV5 )
        | ( in @ SV5
          @ ( dsetconstr @ SV1
            @ ^ [SY17: $i] : ( SV3 @ SY17 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[19]) ).

thf(24,plain,
    sK1_SY0 = $true,
    inference(extcnf_not_neg,[status(thm)],[20]) ).

thf(25,plain,
    ( ( ~ ( in @ emptyset
          @ ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [SX0: $i] : sK1_SY0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[21]) ).

thf(26,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( ~ ( ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
              | ~ ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV2 ) ) )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[22]) ).

thf(27,plain,
    ! [SV3: $i > $o,SV1: $i,SV5: $i] :
      ( ( ( ~ ( in @ SV5 @ SV1 ) )
        = $true )
      | ( ( ~ ( SV3 @ SV5 )
          | ( in @ SV5
            @ ( dsetconstr @ SV1
              @ ^ [SY17: $i] : ( SV3 @ SY17 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[23]) ).

thf(28,plain,
    ( ( in @ emptyset
      @ ( dsetconstr @ ( powerset @ emptyset )
        @ ^ [SX0: $i] : sK1_SY0 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[25]) ).

thf(29,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
          | ~ ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV2 ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[26]) ).

thf(30,plain,
    ! [SV3: $i > $o,SV1: $i,SV5: $i] :
      ( ( ( in @ SV5 @ SV1 )
        = $false )
      | ( ( ~ ( SV3 @ SV5 )
          | ( in @ SV5
            @ ( dsetconstr @ SV1
              @ ^ [SY17: $i] : ( SV3 @ SY17 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[27]) ).

thf(31,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[29]) ).

thf(32,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( ~ ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV2 ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[29]) ).

thf(33,plain,
    ! [SV1: $i,SV5: $i,SV3: $i > $o] :
      ( ( ( ~ ( SV3 @ SV5 ) )
        = $true )
      | ( ( in @ SV5
          @ ( dsetconstr @ SV1
            @ ^ [SY17: $i] : ( SV3 @ SY17 ) ) )
        = $true )
      | ( ( in @ SV5 @ SV1 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[30]) ).

thf(34,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[31]) ).

thf(35,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV2 ) )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[32]) ).

thf(36,plain,
    ! [SV1: $i,SV5: $i,SV3: $i > $o] :
      ( ( ( SV3 @ SV5 )
        = $false )
      | ( ( in @ SV5
          @ ( dsetconstr @ SV1
            @ ^ [SY17: $i] : ( SV3 @ SY17 ) ) )
        = $true )
      | ( ( in @ SV5 @ SV1 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[33]) ).

thf(37,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV2 )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[35]) ).

thf(38,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( $true = $false )
      | ( ( in @ SV5
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : $true ) )
        = $true )
      | ( ( in @ SV5 @ SV1 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[36:[bind(SV3,$thf( ^ [SV10: $i] : $true ))]]) ).

thf(40,plain,
    ! [SV1: $i,SV5: $i,SV8: $i > $o] :
      ( ( ( ~ ( SV8 @ SV5 ) )
        = $false )
      | ( ( in @ SV5
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] :
                ~ ( SV8 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV5 @ SV1 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[36:[bind(SV3,$thf( ^ [SV7: $i] : ~ ( SV8 @ SV7 ) ))]]) ).

thf(41,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( SV5 = emptyset )
        = $false )
      | ( ( in @ SV5
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true )
      | ( ( in @ SV5 @ SV1 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[36:[bind(SV3,$thf( ^ [SV6: $i] : ( SV6 = emptyset ) ))]]) ).

thf(42,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true )
      | ( ( ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
          = ( in @ SV4 @ ( powerset @ SV2 ) ) )
        = $false ) ),
    inference(fac_restr,[status(thm)],[34]) ).

thf(43,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( ~ ( ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
              | ( in @ SV4 @ ( powerset @ SV2 ) ) )
          | ~ ( ~ ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
              | ~ ( in @ SV4 @ ( powerset @ SV2 ) ) ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_equal_neg,[status(thm)],[42]) ).

thf(45,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( ~ ( ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
              | ( in @ SV4 @ ( powerset @ SV2 ) ) ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[43]) ).

thf(47,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
          | ( in @ SV4 @ ( powerset @ SV2 ) ) )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[45]) ).

thf(49,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[47]) ).

thf(53,plain,
    ! [SV1: $i,SV5: $i,SV8: $i > $o] :
      ( ( ( SV8 @ SV5 )
        = $true )
      | ( ( in @ SV5
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] :
                ~ ( SV8 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV5 @ SV1 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[40]) ).

thf(54,plain,
    ! [SV1: $i] :
      ( ( ( in @ emptyset @ SV1 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[41:[bind(SV5,$thf( emptyset ))]]) ).

thf(55,plain,
    ! [SV2: $i,SV4: $i] :
      ( ( ( in @ ( sK2_Xx @ SV4 @ SV2 ) @ SV4 )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV2 ) )
        = $true ) ),
    inference(sim,[status(thm)],[49]) ).

thf(56,plain,
    ! [SV1: $i,SV5: $i] :
      ( ( ( in @ SV5
          @ ( dsetconstr @ SV1
            @ ^ [SX0: $i] : $true ) )
        = $true )
      | ( ( in @ SV5 @ SV1 )
        = $false ) ),
    inference(sim,[status(thm)],[38]) ).

thf(58,plain,
    ! [SV11: $i,SV12: $i] :
      ( ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true )
      | ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(rename,[status(thm)],[34]) ).

thf(59,plain,
    ! [SV11: $i,SV12: $i] :
      ( ( ( ( in @ SV12 @ ( powerset @ SV11 ) )
          = ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : sK1_SY0 ) ) )
        = $false )
      | ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true ) ),
    inference(res,[status(thm)],[58,28]) ).

thf(60,plain,
    ! [SV11: $i,SV12: $i] :
      ( ( ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
          = ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : sK1_SY0 ) ) )
        = $false )
      | ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(res,[status(thm)],[58,28]) ).

thf(62,plain,
    ! [SV11: $i] :
      ( ( ( in
          @ ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [SX0: $i] : sK1_SY0 )
          @ ( powerset @ SV11 ) )
        = $true )
      | ( ( ( sK2_Xx
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : sK1_SY0 )
            @ SV11 )
          = emptyset )
        = $false ) ),
    inference(extuni,[status(esa)],[60:[bind(SV12,$thf( dsetconstr @ ( powerset @ emptyset ) @ ^ [SX0: $i] : sK1_SY0 ))]]) ).

thf(63,plain,
    ! [SV11: $i] :
      ( ( ( in @ ( sK2_Xx @ emptyset @ SV11 ) @ emptyset )
        = $true )
      | ( ( ( powerset @ SV11 )
          = ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [SX0: $i] : sK1_SY0 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[59:[bind(SV12,$thf( emptyset ))]]) ).

thf(64,plain,
    ! [SV13: $i,SV14: $i] :
      ( ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
        = $false )
      | ( ( in @ SV14 @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(rename,[status(thm)],[37]) ).

thf(67,plain,
    ! [SV13: $i,SV14: $i,SV11: $i,SV12: $i] :
      ( ( ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
          = ( in @ SV12 @ ( powerset @ SV11 ) ) )
        = $false )
      | ( ( in @ SV14 @ ( powerset @ SV13 ) )
        = $true )
      | ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true ) ),
    inference(res,[status(thm)],[64,58]) ).

thf(68,plain,
    ! [SV13: $i,SV14: $i,SV11: $i,SV12: $i] :
      ( ( ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
          = ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 ) )
        = $false )
      | ( ( in @ SV14 @ ( powerset @ SV13 ) )
        = $true )
      | ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(res,[status(thm)],[64,58]) ).

thf(69,plain,
    ! [SV13: $i,SV14: $i] :
      ( ( ( ( in @ SV14 @ ( powerset @ SV13 ) )
          = ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : sK1_SY0 ) ) )
        = $false )
      | ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
        = $false ) ),
    inference(res,[status(thm)],[64,28]) ).

thf(71,plain,
    ! [SV13: $i] :
      ( ( ( in @ ( sK2_Xx @ emptyset @ SV13 ) @ SV13 )
        = $false )
      | ( ( ( powerset @ SV13 )
          = ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [SX0: $i] : sK1_SY0 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[69:[bind(SV14,$thf( emptyset ))]]) ).

thf(72,plain,
    ! [SV12: $i] :
      ( ( ( in @ SV12 @ ( powerset @ SV12 ) )
        = $true )
      | ( ( in @ SV12 @ ( powerset @ SV12 ) )
        = $true ) ),
    inference(extuni,[status(esa)],[68:[bind(SV11,$thf( SV12 )),bind(SV13,$thf( SV12 )),bind(SV14,$thf( SV12 ))]]) ).

thf(73,plain,
    ! [SV14: $i,SV11: $i,SV12: $i] :
      ( ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true )
      | ( ( in @ SV14 @ ( powerset @ SV12 ) )
        = $true )
      | ( ( ( sK2_Xx @ SV14 @ SV12 )
          = ( sK2_Xx @ SV12 @ SV11 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[68:[bind(SV13,$thf( SV12 ))]]) ).

thf(74,plain,
    ! [SV11: $i,SV14: $i] :
      ( ( ( in @ ( sK2_Xx @ ( sK2_Xx @ SV14 @ ( powerset @ SV11 ) ) @ SV11 ) @ ( sK2_Xx @ SV14 @ ( powerset @ SV11 ) ) )
        = $true )
      | ( ( in @ SV14 @ ( powerset @ ( powerset @ SV11 ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[67:[bind(SV13,$thf( powerset @ SV11 )),bind(SV12,$thf( sK2_Xx @ SV14 @ ( powerset @ SV11 ) ))]]) ).

thf(75,plain,
    ! [SV12: $i] :
      ( ( in @ SV12 @ ( powerset @ SV12 ) )
      = $true ),
    inference(sim,[status(thm)],[72]) ).

thf(76,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o] :
      ( ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(rename,[status(thm)],[36]) ).

thf(81,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o,SV13: $i,SV14: $i] :
      ( ( ( ( in @ SV16 @ SV15 )
          = ( in @ SV14 @ ( powerset @ SV13 ) ) )
        = $false )
      | ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
        = $false ) ),
    inference(res,[status(thm)],[76,64]) ).

thf(82,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o,SV13: $i,SV14: $i] :
      ( ( ( ( SV17 @ SV16 )
          = ( in @ SV14 @ ( powerset @ SV13 ) ) )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
        = $false ) ),
    inference(res,[status(thm)],[76,64]) ).

thf(83,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o,SV13: $i,SV14: $i] :
      ( ( ( ( in @ SV16
            @ ( dsetconstr @ SV15
              @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
          = ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 ) )
        = $false )
      | ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV14 @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(res,[status(thm)],[76,64]) ).

thf(84,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o,SV11: $i,SV12: $i] :
      ( ( ( ( in @ SV16 @ SV15 )
          = ( in @ SV12 @ ( powerset @ SV11 ) ) )
        = $false )
      | ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true ) ),
    inference(res,[status(thm)],[76,58]) ).

thf(85,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o,SV11: $i,SV12: $i] :
      ( ( ( ( SV17 @ SV16 )
          = ( in @ SV12 @ ( powerset @ SV11 ) ) )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true ) ),
    inference(res,[status(thm)],[76,58]) ).

thf(86,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o,SV11: $i,SV12: $i] :
      ( ( ( ( in @ SV16 @ SV15 )
          = ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 ) )
        = $false )
      | ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(res,[status(thm)],[76,58]) ).

thf(87,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o,SV11: $i,SV12: $i] :
      ( ( ( ( SV17 @ SV16 )
          = ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 ) )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(res,[status(thm)],[76,58]) ).

thf(88,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o] :
      ( ( ( ( in @ SV16
            @ ( dsetconstr @ SV15
              @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
          = ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : sK1_SY0 ) ) )
        = $false )
      | ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(res,[status(thm)],[76,28]) ).

thf(90,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o] :
      ( ( ( ( SV17 @ SV16 )
          = sK1_SY0 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(res,[status(thm)],[76,24]) ).

thf(91,plain,
    ! [SV15: $i,SV16: $i] :
      ( ( $true = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : $true ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[76:[bind(SV17,$thf( ^ [SV29: $i] : $true ))]]) ).

thf(92,plain,
    ! [SV15: $i,SV16: $i] :
      ( ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : $true ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(sim,[status(thm)],[91]) ).

thf(94,plain,
    ! [SV15: $i,SV16: $i,SV27: $i > $o] :
      ( ( ( ~ ( SV27 @ SV16 ) )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] :
                ~ ( SV27 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[76:[bind(SV17,$thf( ^ [SV26: $i] : ~ ( SV27 @ SV26 ) ))]]) ).

thf(95,plain,
    ! [SV15: $i,SV16: $i] :
      ( ( ( SV16 = emptyset )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[76:[bind(SV17,$thf( ^ [SV25: $i] : ( SV25 = emptyset ) ))]]) ).

thf(96,plain,
    ! [SV15: $i,SV24: $i > $o,SV16: $i,SV23: $i > $o] :
      ( ( ( ( SV23 @ SV16 )
          | ( SV24 @ SV16 ) )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] :
                ( ( SV23 @ SX0 )
                | ( SV24 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[76:[bind(SV17,$thf( ^ [SV22: $i] : ( ( SV23 @ SV22 ) | ( SV24 @ SV22 ) ) ))]]) ).

thf(98,plain,
    ! [SV15: $i,SV16: $i] :
      ( ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : sK1_SY0 ) )
        = $true ) ),
    inference(extuni,[status(esa)],[90:[bind(SV17,$thf( ^ [SX0: $i] : sK1_SY0 ))]]) ).

thf(99,plain,
    ( ( ( in @ emptyset @ ( powerset @ emptyset ) )
      = $false )
    | ( sK1_SY0 = $false ) ),
    inference(extuni,[status(esa)],[88:[bind(SV17,$thf( ^ [SX0: $i] : sK1_SY0 )),bind(SV15,$thf( powerset @ emptyset )),bind(SV16,$thf( emptyset ))]]) ).

thf(100,plain,
    ! [SV17: $i > $o,SV15: $i] :
      ( ( ( in @ emptyset @ SV15 )
        = $false )
      | ( ( SV17 @ emptyset )
        = $false )
      | ( ( ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) )
          = ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [SX0: $i] : sK1_SY0 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[88:[bind(SV16,$thf( emptyset ))]]) ).

thf(101,plain,
    ! [SV15: $i,SV41: $i > $i,SV40: $i > $i,SV16: $i,SV37: $i > $i] :
      ( ( ( in @ ( SV40 @ SV16 ) @ ( powerset @ ( SV41 @ SV16 ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( sK2_Xx @ ( SV40 @ SX0 ) @ ( SV41 @ SX0 ) ) @ ( SV37 @ SX0 ) ) ) )
        = $true )
      | ( ( ( SV37 @ SV16 )
          = ( SV40 @ SV16 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[87:[bind(SV11,$thf( SV41 @ SV16 )),bind(SV12,$thf( SV40 @ SV16 )),bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( sK2_Xx @ ( SV40 @ SX0 ) @ ( SV41 @ SX0 ) ) @ ( SV37 @ SX0 ) ) ))]]) ).

thf(102,plain,
    ! [SV41: $i > $i,SV40: $i > $i,SV15: $i,SV11: $i,SV16: $i,SV37: $i > $i] :
      ( ( ( in @ ( SV37 @ SV16 ) @ ( powerset @ SV11 ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( sK2_Xx @ ( SV40 @ SX0 ) @ ( SV41 @ SX0 ) ) @ ( SV37 @ SX0 ) ) ) )
        = $true )
      | ( ( ( sK2_Xx @ ( SV40 @ SV16 ) @ ( SV41 @ SV16 ) )
          = ( sK2_Xx @ ( SV37 @ SV16 ) @ SV11 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[87:[bind(SV12,$thf( SV37 @ SV16 )),bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( sK2_Xx @ ( SV40 @ SX0 ) @ ( SV41 @ SX0 ) ) @ ( SV37 @ SX0 ) ) ))]]) ).

thf(103,plain,
    ! [SV37: $i > $i,SV36: $i > $i,SV15: $i,SV16: $i,SV11: $i,SV12: $i] :
      ( ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV36 @ SX0 ) @ ( SV37 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ ( SV36 @ SV16 ) @ ( SV37 @ SV16 ) )
        = $true )
      | ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true ) ),
    inference(extuni,[status(esa)],[87:[bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV36 @ SX0 ) @ ( SV37 @ SX0 ) ) ))]]) ).

thf(104,plain,
    ! [SV37: $i > $i,SV36: $i > $i,SV15: $i,SV16: $i,SV11: $i,SV12: $i] :
      ( ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV36 @ SX0 ) @ ( SV37 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ ( SV36 @ SV16 ) @ ( SV37 @ SV16 ) )
        = $false )
      | ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $false ) ),
    inference(extuni,[status(esa)],[87:[bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV36 @ SX0 ) @ ( SV37 @ SX0 ) ) ))]]) ).

thf(105,plain,
    ! [SV17: $i > $o,SV11: $i,SV12: $i] :
      ( ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true )
      | ( ( in @ ( sK2_Xx @ SV12 @ SV11 )
          @ ( dsetconstr @ SV12
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( SV17 @ ( sK2_Xx @ SV12 @ SV11 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[86:[bind(SV15,$thf( SV12 )),bind(SV16,$thf( sK2_Xx @ SV12 @ SV11 ))]]) ).

thf(106,plain,
    ! [SV15: $i,SV48: $i > $i,SV16: $i,SV44: $i > $i] :
      ( ( ( in @ ( sK2_Xx @ ( SV44 @ SV16 ) @ ( SV48 @ SV16 ) ) @ ( SV44 @ SV16 ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ ( powerset @ ( SV48 @ SX0 ) ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[85:[bind(SV11,$thf( SV48 @ SV16 )),bind(SV12,$thf( SV44 @ SV16 )),bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ ( powerset @ ( SV48 @ SX0 ) ) ) ))]]) ).

thf(107,plain,
    ! [SV48: $i > $i,SV15: $i,SV11: $i,SV16: $i,SV44: $i > $i] :
      ( ( ( in @ ( sK2_Xx @ ( SV44 @ SV16 ) @ SV11 ) @ ( SV44 @ SV16 ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ ( powerset @ ( SV48 @ SX0 ) ) ) ) )
        = $true )
      | ( ( ( powerset @ ( SV48 @ SV16 ) )
          = ( powerset @ SV11 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[85:[bind(SV12,$thf( SV44 @ SV16 )),bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ ( powerset @ ( SV48 @ SX0 ) ) ) ))]]) ).

thf(108,plain,
    ! [SV15: $i,SV11: $i,SV44: $i > $i] :
      ( ( ( in @ ( sK2_Xx @ ( SV44 @ ( powerset @ SV11 ) ) @ SV11 ) @ ( SV44 @ ( powerset @ SV11 ) ) )
        = $true )
      | ( ( in @ ( powerset @ SV11 ) @ SV15 )
        = $false )
      | ( ( in @ ( powerset @ SV11 )
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ SX0 ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[85:[bind(SV16,$thf( powerset @ SV11 )),bind(SV12,$thf( SV44 @ ( powerset @ SV11 ) )),bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ SX0 ) ))]]) ).

thf(109,plain,
    ! [SV45: $i > $i,SV44: $i > $i,SV15: $i,SV16: $i,SV11: $i,SV12: $i] :
      ( ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ ( SV45 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ ( SV44 @ SV16 ) @ ( SV45 @ SV16 ) )
        = $true )
      | ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(extuni,[status(esa)],[85:[bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ ( SV45 @ SX0 ) ) ))]]) ).

thf(110,plain,
    ! [SV45: $i > $i,SV44: $i > $i,SV15: $i,SV16: $i,SV11: $i,SV12: $i] :
      ( ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ ( SV45 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ ( SV44 @ SV16 ) @ ( SV45 @ SV16 ) )
        = $false )
      | ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[85:[bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV44 @ SX0 ) @ ( SV45 @ SX0 ) ) ))]]) ).

thf(111,plain,
    ! [SV17: $i > $o,SV11: $i,SV12: $i] :
      ( ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true )
      | ( ( in @ SV12
          @ ( dsetconstr @ ( powerset @ SV11 )
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( SV17 @ SV12 )
        = $false ) ),
    inference(extuni,[status(esa)],[84:[bind(SV15,$thf( powerset @ SV11 )),bind(SV16,$thf( SV12 ))]]) ).

thf(112,plain,
    ! [SV17: $i > $o,SV15: $i,SV14: $i] :
      ( ( ( in @ SV14
          @ ( powerset
            @ ( dsetconstr @ SV15
              @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) ) )
        = $true )
      | ( ( in
          @ ( sK2_Xx @ SV14
            @ ( dsetconstr @ SV15
              @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
          @ SV15 )
        = $false )
      | ( ( SV17
          @ ( sK2_Xx @ SV14
            @ ( dsetconstr @ SV15
              @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[83:[bind(SV13,$thf( dsetconstr @ SV15 @ ^ [SX0: $i] : ( SV17 @ SX0 ) )),bind(SV16,$thf( sK2_Xx @ SV14 @ ( dsetconstr @ SV15 @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) ))]]) ).

thf(113,plain,
    ! [SV15: $i,SV55: $i > $i,SV16: $i,SV51: $i > $i] :
      ( ( ( in @ ( sK2_Xx @ ( SV51 @ SV16 ) @ ( SV55 @ SV16 ) ) @ ( SV55 @ SV16 ) )
        = $false )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ ( powerset @ ( SV55 @ SX0 ) ) ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[82:[bind(SV13,$thf( SV55 @ SV16 )),bind(SV14,$thf( SV51 @ SV16 )),bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ ( powerset @ ( SV55 @ SX0 ) ) ) ))]]) ).

thf(114,plain,
    ! [SV55: $i > $i,SV15: $i,SV13: $i,SV16: $i,SV51: $i > $i] :
      ( ( ( in @ ( sK2_Xx @ ( SV51 @ SV16 ) @ SV13 ) @ SV13 )
        = $false )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ ( powerset @ ( SV55 @ SX0 ) ) ) ) )
        = $true )
      | ( ( ( powerset @ ( SV55 @ SV16 ) )
          = ( powerset @ SV13 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[82:[bind(SV14,$thf( SV51 @ SV16 )),bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ ( powerset @ ( SV55 @ SX0 ) ) ) ))]]) ).

thf(115,plain,
    ! [SV15: $i,SV13: $i,SV51: $i > $i] :
      ( ( ( in @ ( sK2_Xx @ ( SV51 @ ( powerset @ SV13 ) ) @ SV13 ) @ SV13 )
        = $false )
      | ( ( in @ ( powerset @ SV13 ) @ SV15 )
        = $false )
      | ( ( in @ ( powerset @ SV13 )
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ SX0 ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[82:[bind(SV16,$thf( powerset @ SV13 )),bind(SV14,$thf( SV51 @ ( powerset @ SV13 ) )),bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ SX0 ) ))]]) ).

thf(116,plain,
    ! [SV52: $i > $i,SV51: $i > $i,SV15: $i,SV16: $i,SV13: $i,SV14: $i] :
      ( ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
        = $false )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ ( SV52 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ ( SV51 @ SV16 ) @ ( SV52 @ SV16 ) )
        = $true )
      | ( ( in @ SV14 @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(extuni,[status(esa)],[82:[bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ ( SV52 @ SX0 ) ) ))]]) ).

thf(117,plain,
    ! [SV52: $i > $i,SV51: $i > $i,SV15: $i,SV16: $i,SV13: $i,SV14: $i] :
      ( ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
        = $false )
      | ( ( in @ SV16 @ SV15 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ ( SV52 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ ( SV51 @ SV16 ) @ ( SV52 @ SV16 ) )
        = $false )
      | ( ( in @ SV14 @ ( powerset @ SV13 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[82:[bind(SV17,$thf( ^ [SX0: $i] : ( in @ ( SV51 @ SX0 ) @ ( SV52 @ SX0 ) ) ))]]) ).

thf(118,plain,
    ! [SV17: $i > $o,SV13: $i,SV14: $i] :
      ( ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
        = $false )
      | ( ( in @ SV14
          @ ( dsetconstr @ ( powerset @ SV13 )
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( SV17 @ SV14 )
        = $false ) ),
    inference(extuni,[status(esa)],[81:[bind(SV15,$thf( powerset @ SV13 )),bind(SV16,$thf( SV14 ))]]) ).

thf(121,plain,
    ! [SV15: $i] :
      ( ( ( in @ emptyset @ SV15 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[95:[bind(SV16,$thf( emptyset ))]]) ).

thf(122,plain,
    ! [SV15: $i,SV16: $i,SV27: $i > $o] :
      ( ( ( SV27 @ SV16 )
        = $true )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] :
                ~ ( SV27 @ SX0 ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[94]) ).

thf(123,plain,
    ! [SV24: $i > $o,SV15: $i,SV16: $i,SV23: $i > $o] :
      ( ( ( SV23 @ SV16 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] :
                ( ( SV23 @ SX0 )
                | ( SV24 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[96]) ).

thf(124,plain,
    ! [SV23: $i > $o,SV15: $i,SV16: $i,SV24: $i > $o] :
      ( ( ( SV24 @ SV16 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] :
                ( ( SV23 @ SX0 )
                | ( SV24 @ SX0 ) ) ) )
        = $true )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(extcnf_or_neg,[status(thm)],[96]) ).

thf(125,plain,
    ! [SV60: $i] :
      ( ( in @ SV60 @ ( powerset @ SV60 ) )
      = $true ),
    inference(rename,[status(thm)],[75]) ).

thf(126,plain,
    ! [SV60: $i,SV15: $i,SV16: $i,SV17: $i > $o] :
      ( ( ( ( in @ SV60 @ ( powerset @ SV60 ) )
          = ( in @ SV16 @ SV15 ) )
        = $false )
      | ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true ) ),
    inference(res,[status(thm)],[125,76]) ).

thf(129,plain,
    ! [SV60: $i] :
      ( ( ( in @ SV60 @ ( powerset @ SV60 ) )
        = ( in @ emptyset
          @ ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [SX0: $i] : sK1_SY0 ) ) )
      = $false ),
    inference(res,[status(thm)],[125,28]) ).

thf(130,plain,
    ( ( ( powerset @ emptyset )
      = ( dsetconstr @ ( powerset @ emptyset )
        @ ^ [SX0: $i] : sK1_SY0 ) )
    = $false ),
    inference(extuni,[status(esa)],[129:[bind(SV60,$thf( emptyset ))]]) ).

thf(131,plain,
    ! [SV17: $i > $o,SV16: $i] :
      ( ( ( in @ SV16
          @ ( dsetconstr @ ( powerset @ SV16 )
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( SV17 @ SV16 )
        = $false ) ),
    inference(extuni,[status(esa)],[126:[bind(SV15,$thf( powerset @ SV16 )),bind(SV60,$thf( SV16 ))]]) ).

thf(138,plain,
    ! [SV61: $i] :
      ( ( ( in @ emptyset @ SV61 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV61
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(rename,[status(thm)],[54]) ).

thf(142,plain,
    ! [SV61: $i,SV60: $i] :
      ( ( ( ( in @ emptyset @ SV61 )
          = ( in @ SV60 @ ( powerset @ SV60 ) ) )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV61
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(res,[status(thm)],[138,125]) ).

thf(143,plain,
    ! [SV61: $i,SV15: $i,SV16: $i,SV17: $i > $o] :
      ( ( ( ( in @ emptyset
            @ ( dsetconstr @ SV61
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
          = ( in @ SV16 @ SV15 ) )
        = $false )
      | ( ( in @ emptyset @ SV61 )
        = $false )
      | ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true ) ),
    inference(res,[status(thm)],[138,76]) ).

thf(144,plain,
    ! [SV61: $i,SV15: $i,SV16: $i,SV17: $i > $o] :
      ( ( ( ( in @ emptyset @ SV61 )
          = ( in @ SV16
            @ ( dsetconstr @ SV15
              @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) ) )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV61
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true )
      | ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16 @ SV15 )
        = $false ) ),
    inference(res,[status(thm)],[138,76]) ).

thf(146,plain,
    ! [SV61: $i,SV13: $i,SV14: $i] :
      ( ( ( ( in @ emptyset @ SV61 )
          = ( in @ SV14 @ ( powerset @ SV13 ) ) )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV61
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true )
      | ( ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 )
        = $false ) ),
    inference(res,[status(thm)],[138,64]) ).

thf(147,plain,
    ! [SV61: $i,SV13: $i,SV14: $i] :
      ( ( ( ( in @ emptyset
            @ ( dsetconstr @ SV61
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
          = ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 ) )
        = $false )
      | ( ( in @ emptyset @ SV61 )
        = $false )
      | ( ( in @ SV14 @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(res,[status(thm)],[138,64]) ).

thf(148,plain,
    ! [SV61: $i,SV11: $i,SV12: $i] :
      ( ( ( ( in @ emptyset @ SV61 )
          = ( in @ SV12 @ ( powerset @ SV11 ) ) )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV61
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true )
      | ( ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 )
        = $true ) ),
    inference(res,[status(thm)],[138,58]) ).

thf(149,plain,
    ! [SV61: $i,SV11: $i,SV12: $i] :
      ( ( ( ( in @ emptyset @ SV61 )
          = ( in @ ( sK2_Xx @ SV12 @ SV11 ) @ SV12 ) )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV61
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true )
      | ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true ) ),
    inference(res,[status(thm)],[138,58]) ).

thf(150,plain,
    ! [SV61: $i] :
      ( ( ( ( in @ emptyset
            @ ( dsetconstr @ SV61
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
          = ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : sK1_SY0 ) ) )
        = $false )
      | ( ( in @ emptyset @ SV61 )
        = $false ) ),
    inference(res,[status(thm)],[138,28]) ).

thf(152,plain,
    ( ( ( in @ emptyset @ ( powerset @ emptyset ) )
      = $false )
    | ( ( sK4_E = emptyset )
      = $true )
    | ( sK1_SY0 = $true ) ),
    inference(extuni,[status(esa)],[150:[bind(SV61,$thf( powerset @ emptyset ))]]) ).

thf(153,plain,
    ( ( ( in @ emptyset @ ( powerset @ emptyset ) )
      = $false )
    | ( ( sK4_E = emptyset )
      = $false )
    | ( sK1_SY0 = $false ) ),
    inference(extuni,[status(esa)],[150:[bind(SV61,$thf( powerset @ emptyset ))]]) ).

thf(154,plain,
    ! [SV61: $i] :
      ( ( ( in @ emptyset @ SV61 )
        = $false )
      | ( ( ( dsetconstr @ SV61
            @ ^ [SX0: $i] : ( SX0 = emptyset ) )
          = ( dsetconstr @ ( powerset @ emptyset )
            @ ^ [SX0: $i] : sK1_SY0 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[150]) ).

thf(155,plain,
    ! [SV11: $i,SV12: $i] :
      ( ( ( in @ SV12 @ ( powerset @ SV11 ) )
        = $true )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV12
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true )
      | ( ( emptyset
          = ( sK2_Xx @ SV12 @ SV11 ) )
        = $false ) ),
    inference(extuni,[status(esa)],[149:[bind(SV61,$thf( SV12 ))]]) ).

thf(156,plain,
    ! [SV11: $i] :
      ( ( ( in @ ( sK2_Xx @ emptyset @ SV11 ) @ emptyset )
        = $true )
      | ( ( in @ emptyset
          @ ( dsetconstr @ ( powerset @ SV11 )
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[148:[bind(SV61,$thf( powerset @ SV11 )),bind(SV12,$thf( emptyset ))]]) ).

thf(157,plain,
    ! [SV61: $i,SV14: $i] :
      ( ( ( in @ SV14
          @ ( powerset
            @ ( dsetconstr @ SV61
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) ) )
        = $true )
      | ( ( in @ emptyset @ SV61 )
        = $false )
      | ( ( emptyset
          = ( sK2_Xx @ SV14
            @ ( dsetconstr @ SV61
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[147:[bind(SV13,$thf( dsetconstr @ SV61 @ ^ [SX0: $i] : ( SX0 = emptyset ) ))]]) ).

thf(158,plain,
    ! [SV13: $i] :
      ( ( ( in @ ( sK2_Xx @ emptyset @ SV13 ) @ SV13 )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ ( powerset @ SV13 )
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[146:[bind(SV61,$thf( powerset @ SV13 )),bind(SV14,$thf( emptyset ))]]) ).

thf(159,plain,
    ! [SV17: $i > $o,SV15: $i] :
      ( ( ( in @ emptyset @ SV15 )
        = $false )
      | ( ( SV17 @ emptyset )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr
            @ ( dsetconstr @ SV15
              @ ^ [SX0: $i] : ( SV17 @ SX0 ) )
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(extuni,[status(esa)],[144:[bind(SV61,$thf( dsetconstr @ SV15 @ ^ [SX0: $i] : ( SV17 @ SX0 ) )),bind(SV16,$thf( emptyset ))]]) ).

thf(160,plain,
    ! [SV17: $i > $o,SV61: $i] :
      ( ( ( in @ emptyset
          @ ( dsetconstr
            @ ( dsetconstr @ SV61
              @ ^ [SX0: $i] : ( SX0 = emptyset ) )
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( SV17 @ emptyset )
        = $false )
      | ( ( in @ emptyset @ SV61 )
        = $false ) ),
    inference(extuni,[status(esa)],[143:[bind(SV15,$thf( dsetconstr @ SV61 @ ^ [SX0: $i] : ( SX0 = emptyset ) )),bind(SV16,$thf( emptyset ))]]) ).

thf(161,plain,
    ( ( in @ emptyset
      @ ( dsetconstr @ ( powerset @ emptyset )
        @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
    = $true ),
    inference(extuni,[status(esa)],[142:[bind(SV61,$thf( powerset @ emptyset )),bind(SV60,$thf( emptyset ))]]) ).

thf(162,plain,
    ! [SV61: $i] :
      ( ( ( ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
          = ( in @ emptyset @ SV61 ) )
        = $false )
      | ( ( in @ emptyset
          @ ( dsetconstr @ SV61
            @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
        = $true ) ),
    inference(res,[status(thm)],[161,138]) ).

thf(164,plain,
    ! [SV15: $i,SV16: $i,SV17: $i > $o] :
      ( ( ( ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
          = ( in @ SV16 @ SV15 ) )
        = $false )
      | ( ( SV17 @ SV16 )
        = $false )
      | ( ( in @ SV16
          @ ( dsetconstr @ SV15
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true ) ),
    inference(res,[status(thm)],[161,76]) ).

thf(166,plain,
    ! [SV13: $i,SV14: $i] :
      ( ( ( ( in @ emptyset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
          = ( in @ ( sK2_Xx @ SV14 @ SV13 ) @ SV13 ) )
        = $false )
      | ( ( in @ SV14 @ ( powerset @ SV13 ) )
        = $true ) ),
    inference(res,[status(thm)],[161,64]) ).

thf(167,plain,
    ( ( ( in @ emptyset
        @ ( dsetconstr @ ( powerset @ emptyset )
          @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
      = ( in @ emptyset
        @ ( dsetconstr @ ( powerset @ emptyset )
          @ ^ [SX0: $i] : sK1_SY0 ) ) )
    = $false ),
    inference(res,[status(thm)],[161,28]) ).

thf(168,plain,
    ( ( ( sK5_E = emptyset )
      = $true )
    | ( sK1_SY0 = $true ) ),
    inference(extuni,[status(esa)],[167]) ).

thf(169,plain,
    ( ( ( sK5_E = emptyset )
      = $false )
    | ( sK1_SY0 = $false ) ),
    inference(extuni,[status(esa)],[167]) ).

thf(170,plain,
    ( ( ( dsetconstr @ ( powerset @ emptyset )
        @ ^ [SX0: $i] : ( SX0 = emptyset ) )
      = ( dsetconstr @ ( powerset @ emptyset )
        @ ^ [SX0: $i] : sK1_SY0 ) )
    = $false ),
    inference(extuni,[status(esa)],[167]) ).

thf(171,plain,
    ! [SV14: $i] :
      ( ( ( in @ SV14
          @ ( powerset
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) ) )
        = $true )
      | ( ( emptyset
          = ( sK2_Xx @ SV14
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : ( SX0 = emptyset ) ) ) )
        = $false ) ),
    inference(extuni,[status(esa)],[166:[bind(SV13,$thf( dsetconstr @ ( powerset @ emptyset ) @ ^ [SX0: $i] : ( SX0 = emptyset ) ))]]) ).

thf(172,plain,
    ! [SV17: $i > $o] :
      ( ( ( in @ emptyset
          @ ( dsetconstr
            @ ( dsetconstr @ ( powerset @ emptyset )
              @ ^ [SX0: $i] : ( SX0 = emptyset ) )
            @ ^ [SX0: $i] : ( SV17 @ SX0 ) ) )
        = $true )
      | ( ( SV17 @ emptyset )
        = $false ) ),
    inference(extuni,[status(esa)],[164:[bind(SV15,$thf( dsetconstr @ ( powerset @ emptyset ) @ ^ [SX0: $i] : ( SX0 = emptyset ) )),bind(SV16,$thf( emptyset ))]]) ).

thf(173,plain,
    ( ( in @ emptyset
      @ ( dsetconstr
        @ ( dsetconstr @ ( powerset @ emptyset )
          @ ^ [SX0: $i] : ( SX0 = emptyset ) )
        @ ^ [SX0: $i] : ( SX0 = emptyset ) ) )
    = $true ),
    inference(extuni,[status(esa)],[162:[bind(SV61,$thf( dsetconstr @ ( powerset @ emptyset ) @ ^ [SX0: $i] : ( SX0 = emptyset ) ))]]) ).

thf(174,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[24,173,172,171,170,169,168,161,160,159,158,157,156,155,154,153,152,138,131,130,125,124,123,122,121,118,117,116,115,114,113,112,111,110,109,108,107,106,105,104,103,102,101,100,99,98,92,76,74,73,71,64,63,62,58,56,55,53,28]) ).

thf(175,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[174]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU540^2 : 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/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.18  % Computer : n026.cluster.edu
% 0.09/0.18  % Model    : x86_64 x86_64
% 0.09/0.18  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.18  % Memory   : 8046.5625MB
% 0.09/0.18  % OS       : Linux 6.8.0-71-generic
% 0.09/0.18  % CPULimit : 300
% 0.09/0.18  % WCLimit  : 300
% 0.09/0.18  % DateTime : Tue Oct  6 15:30:32 UTC 2026
% 0.09/0.18  % CPUTime  : 
% 0.09/0.18  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 271.07/45.44  
% 271.07/45.44   No.of.Axioms: 0
% 271.07/45.44  
% 271.07/45.44   Length.of.Defs: 594
% 271.07/45.44  
% 271.07/45.44   Contains.Choice.Funs: false
% 271.07/45.44  .eprover: CPU time limit exceeded, terminating
% 271.07/45.44  eprover: CPU time limit exceeded, terminating
% 271.07/45.44  eprover: CPU time limit exceeded, terminating
% 271.07/45.44  ..
% 271.07/45.44  
% 271.07/45.44  ********************************
% 271.07/45.44  *   All subproblems solved!    *
% 271.07/45.44  ********************************
% 271.07/45.44  % SZS status Theorem for /export/starexec/sandbox/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:174,loop_count:10,foatp_calls:4,translation:fof_full)
% 271.07/45.44  
% 271.07/45.44  %**** Beginning of derivation protocol ****
% 271.07/45.44  % SZS output start CNFRefutation
% See solution above
% 271.07/45.45  
% 271.07/45.45  %**** End of derivation protocol ****
% 271.07/45.45  %**** no. of clauses in derivation: 139 ****
% 271.07/45.45  %**** clause counter: 174 ****
% 271.07/45.45  
% 271.07/45.45  % SZS status Theorem for /export/starexec/sandbox/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:174,loop_count:10,foatp_calls:4,translation:fof_full)
%------------------------------------------------------------------------------