TSTP Solution File: SEU823^2 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SEU823^2 : TPTP v8.1.2. Released v3.7.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.2hSuulKPPN true

% Computer : n015.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 19:18:30 EDT 2023

% Result   : Theorem 6.68s 1.48s
% Output   : Refutation 6.68s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   53
%            Number of leaves      :   46
% Syntax   : Number of formulae    :  292 (  81 unt;  23 typ;   0 def)
%            Number of atoms       : 2009 ( 130 equ;  41 cnn)
%            Maximal formula atoms :  106 (   7 avg)
%            Number of connectives : 5765 ( 515   ~; 700   |; 165   &;3577   @)
%                                         (   0 <=>; 500  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   24 (   9 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   21 (  21   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   28 (  23 usr;   8 con; 0-2 aty)
%                                         ( 281  !!;  27  ??;   0 @@+;   0 @@-)
%            Number of variables   :  666 ( 317   ^; 340   !;   9   ?; 666   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ordinalIrrefl_type,type,
    ordinalIrrefl: $o ).

thf(stricttotalorderedByIn_type,type,
    stricttotalorderedByIn: $i > $o ).

thf('#sk14_type',type,
    '#sk14': $i > $i > $i ).

thf('#sk7_type',type,
    '#sk7': $i > $i ).

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

thf('#sk12_type',type,
    '#sk12': $i > $i ).

thf('#form5_type',type,
    '#form5': $i > $o ).

thf(nonempty_type,type,
    nonempty: $i > $o ).

thf(ordinalTransSet_type,type,
    ordinalTransSet: $o ).

thf('#sk4_type',type,
    '#sk4': $i > $i ).

thf('#sk9_type',type,
    '#sk9': $i > $i ).

thf('#form11_type',type,
    '#form11': $i > $o ).

thf('#sk3_type',type,
    '#sk3': $i > $i ).

thf('#sk13_type',type,
    '#sk13': $i > $i ).

thf(transitiveset_type,type,
    transitiveset: $i > $o ).

thf('#sk10_type',type,
    '#sk10': $i > $i ).

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

thf('#sk6_type',type,
    '#sk6': $i > $i ).

thf('#sk2_type',type,
    '#sk2': $i ).

thf('#form8_type',type,
    '#form8': $i > $o ).

thf('#sk1_type',type,
    '#sk1': $i ).

thf(ordinal_type,type,
    ordinal: $i > $o ).

thf(wellorderedByIn_type,type,
    wellorderedByIn: $i > $o ).

thf(ordinalIrrefl,axiom,
    ( ordinalIrrefl
    = ( ! [X: $i] :
          ( ( ordinal @ X )
         => ! [A: $i] :
              ( ( in @ A @ X )
             => ~ ( in @ A @ A ) ) ) ) ) ).

thf('0',plain,
    ( ordinalIrrefl
    = ( ! [X4: $i] :
          ( ( ordinal @ X4 )
         => ! [X6: $i] :
              ( ( in @ X6 @ X4 )
             => ~ ( in @ X6 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(ordinalTransSet,axiom,
    ( ordinalTransSet
    = ( ! [X: $i] :
          ( ( ordinal @ X )
         => ! [Xx: $i,A: $i] :
              ( ( in @ A @ X )
             => ( ( in @ Xx @ A )
               => ( in @ Xx @ X ) ) ) ) ) ) ).

thf('1',plain,
    ( ordinalTransSet
    = ( ! [X4: $i] :
          ( ( ordinal @ X4 )
         => ! [X6: $i,X8: $i] :
              ( ( in @ X8 @ X4 )
             => ( ( in @ X6 @ X8 )
               => ( in @ X6 @ X4 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(ordinal,axiom,
    ( ordinal
    = ( ^ [Xx: $i] :
          ( ( transitiveset @ Xx )
          & ( wellorderedByIn @ Xx ) ) ) ) ).

thf(wellorderedByIn,axiom,
    ( wellorderedByIn
    = ( ^ [A: $i] :
          ( ( stricttotalorderedByIn @ A )
          & ! [X: $i] :
              ( ( in @ X @ ( powerset @ A ) )
             => ( ( nonempty @ X )
               => ? [Xx: $i] :
                    ( ! [Y: $i] :
                        ( ( in @ Y @ X )
                       => ( ( Xx = Y )
                          | ( in @ Xx @ Y ) ) )
                    & ( in @ Xx @ X ) ) ) ) ) ) ) ).

thf(stricttotalorderedByIn,axiom,
    ( stricttotalorderedByIn
    = ( ^ [A: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ! [X: $i] :
                  ( ( in @ X @ A )
                 => ! [Y: $i] :
                      ( ( in @ Y @ A )
                     => ( ( ( in @ Xx @ X )
                          & ( in @ X @ Y ) )
                       => ( in @ Xx @ Y ) ) ) ) )
          & ! [X: $i] :
              ( ( in @ X @ A )
             => ! [Y: $i] :
                  ( ( in @ Y @ A )
                 => ( ( X = Y )
                    | ( in @ X @ Y )
                    | ( in @ Y @ X ) ) ) )
          & ! [X: $i] :
              ( ( in @ X @ A )
             => ~ ( in @ X @ X ) ) ) ) ) ).

thf('2',plain,
    ( stricttotalorderedByIn
    = ( ^ [A: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ! [X: $i] :
                  ( ( in @ X @ A )
                 => ! [Y: $i] :
                      ( ( in @ Y @ A )
                     => ( ( ( in @ Xx @ X )
                          & ( in @ X @ Y ) )
                       => ( in @ Xx @ Y ) ) ) ) )
          & ! [X: $i] :
              ( ( in @ X @ A )
             => ! [Y: $i] :
                  ( ( in @ Y @ A )
                 => ( ( X = Y )
                    | ( in @ X @ Y )
                    | ( in @ Y @ X ) ) ) )
          & ! [X: $i] :
              ( ( in @ X @ A )
             => ~ ( in @ X @ X ) ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[stricttotalorderedByIn]) ).

thf('3',plain,
    ( stricttotalorderedByIn
    = ( ^ [V_1: $i] :
          ( ! [X4: $i] :
              ( ( in @ X4 @ V_1 )
             => ! [X6: $i] :
                  ( ( in @ X6 @ V_1 )
                 => ! [X8: $i] :
                      ( ( in @ X8 @ V_1 )
                     => ( ( ( in @ X4 @ X6 )
                          & ( in @ X6 @ X8 ) )
                       => ( in @ X4 @ X8 ) ) ) ) )
          & ! [X10: $i] :
              ( ( in @ X10 @ V_1 )
             => ! [X12: $i] :
                  ( ( in @ X12 @ V_1 )
                 => ( ( X10 = X12 )
                    | ( in @ X10 @ X12 )
                    | ( in @ X12 @ X10 ) ) ) )
          & ! [X14: $i] :
              ( ( in @ X14 @ V_1 )
             => ~ ( in @ X14 @ X14 ) ) ) ) ),
    define([status(thm)]) ).

thf('4',plain,
    ( wellorderedByIn
    = ( ^ [A: $i] :
          ( ( stricttotalorderedByIn @ A )
          & ! [X: $i] :
              ( ( in @ X @ ( powerset @ A ) )
             => ( ( nonempty @ X )
               => ? [Xx: $i] :
                    ( ! [Y: $i] :
                        ( ( in @ Y @ X )
                       => ( ( Xx = Y )
                          | ( in @ Xx @ Y ) ) )
                    & ( in @ Xx @ X ) ) ) ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[wellorderedByIn,'3']) ).

thf('5',plain,
    ( wellorderedByIn
    = ( ^ [V_1: $i] :
          ( ( stricttotalorderedByIn @ V_1 )
          & ! [X4: $i] :
              ( ( in @ X4 @ ( powerset @ V_1 ) )
             => ( ( nonempty @ X4 )
               => ? [X6: $i] :
                    ( ! [X8: $i] :
                        ( ( in @ X8 @ X4 )
                       => ( ( X6 = X8 )
                          | ( in @ X6 @ X8 ) ) )
                    & ( in @ X6 @ X4 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf('6',plain,
    ( ordinal
    = ( ^ [Xx: $i] :
          ( ( transitiveset @ Xx )
          & ( wellorderedByIn @ Xx ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[ordinal,'5','3']) ).

thf('7',plain,
    ( ordinal
    = ( ^ [V_1: $i] :
          ( ( transitiveset @ V_1 )
          & ( wellorderedByIn @ V_1 ) ) ) ),
    define([status(thm)]) ).

thf(ordinalNoCycle,conjecture,
    ( ordinalTransSet
   => ( ordinalIrrefl
     => ! [X: $i] :
          ( ( ordinal @ X )
         => ! [A: $i] :
              ( ( in @ X @ A )
             => ~ ( in @ A @ X ) ) ) ) ) ).

thf(zf_stmt_0,conjecture,
    ( ! [X4: $i] :
        ( ( ! [X18: $i] :
              ( ( in @ X18 @ ( powerset @ X4 ) )
             => ( ( nonempty @ X18 )
               => ? [X20: $i] :
                    ( ( in @ X20 @ X18 )
                    & ! [X22: $i] :
                        ( ( in @ X22 @ X18 )
                       => ( ( in @ X20 @ X22 )
                          | ( X20 = X22 ) ) ) ) ) )
          & ! [X16: $i] :
              ( ( in @ X16 @ X4 )
             => ~ ( in @ X16 @ X16 ) )
          & ! [X12: $i] :
              ( ( in @ X12 @ X4 )
             => ! [X14: $i] :
                  ( ( in @ X14 @ X4 )
                 => ( ( in @ X14 @ X12 )
                    | ( in @ X12 @ X14 )
                    | ( X12 = X14 ) ) ) )
          & ! [X6: $i] :
              ( ( in @ X6 @ X4 )
             => ! [X8: $i] :
                  ( ( in @ X8 @ X4 )
                 => ! [X10: $i] :
                      ( ( in @ X10 @ X4 )
                     => ( ( ( in @ X8 @ X10 )
                          & ( in @ X6 @ X8 ) )
                       => ( in @ X6 @ X10 ) ) ) ) )
          & ( transitiveset @ X4 ) )
       => ! [X24: $i,X26: $i] :
            ( ( in @ X26 @ X4 )
           => ( ( in @ X24 @ X26 )
             => ( in @ X24 @ X4 ) ) ) )
   => ( ! [X28: $i] :
          ( ( ! [X42: $i] :
                ( ( in @ X42 @ ( powerset @ X28 ) )
               => ( ( nonempty @ X42 )
                 => ? [X44: $i] :
                      ( ( in @ X44 @ X42 )
                      & ! [X46: $i] :
                          ( ( in @ X46 @ X42 )
                         => ( ( in @ X44 @ X46 )
                            | ( X44 = X46 ) ) ) ) ) )
            & ! [X40: $i] :
                ( ( in @ X40 @ X28 )
               => ~ ( in @ X40 @ X40 ) )
            & ! [X36: $i] :
                ( ( in @ X36 @ X28 )
               => ! [X38: $i] :
                    ( ( in @ X38 @ X28 )
                   => ( ( in @ X38 @ X36 )
                      | ( in @ X36 @ X38 )
                      | ( X36 = X38 ) ) ) )
            & ! [X30: $i] :
                ( ( in @ X30 @ X28 )
               => ! [X32: $i] :
                    ( ( in @ X32 @ X28 )
                   => ! [X34: $i] :
                        ( ( in @ X34 @ X28 )
                       => ( ( ( in @ X32 @ X34 )
                            & ( in @ X30 @ X32 ) )
                         => ( in @ X30 @ X34 ) ) ) ) )
            & ( transitiveset @ X28 ) )
         => ! [X48: $i] :
              ( ( in @ X48 @ X28 )
             => ~ ( in @ X48 @ X48 ) ) )
     => ! [X50: $i] :
          ( ( ! [X64: $i] :
                ( ( in @ X64 @ ( powerset @ X50 ) )
               => ( ( nonempty @ X64 )
                 => ? [X66: $i] :
                      ( ( in @ X66 @ X64 )
                      & ! [X68: $i] :
                          ( ( in @ X68 @ X64 )
                         => ( ( in @ X66 @ X68 )
                            | ( X66 = X68 ) ) ) ) ) )
            & ! [X62: $i] :
                ( ( in @ X62 @ X50 )
               => ~ ( in @ X62 @ X62 ) )
            & ! [X58: $i] :
                ( ( in @ X58 @ X50 )
               => ! [X60: $i] :
                    ( ( in @ X60 @ X50 )
                   => ( ( in @ X60 @ X58 )
                      | ( in @ X58 @ X60 )
                      | ( X58 = X60 ) ) ) )
            & ! [X52: $i] :
                ( ( in @ X52 @ X50 )
               => ! [X54: $i] :
                    ( ( in @ X54 @ X50 )
                   => ! [X56: $i] :
                        ( ( in @ X56 @ X50 )
                       => ( ( ( in @ X54 @ X56 )
                            & ( in @ X52 @ X54 ) )
                         => ( in @ X52 @ X56 ) ) ) ) )
            & ( transitiveset @ X50 ) )
         => ! [X70: $i] :
              ( ( in @ X50 @ X70 )
             => ~ ( in @ X70 @ X50 ) ) ) ) ) ).

thf(zf_stmt_1,negated_conjecture,
    ~ ( ! [X4: $i] :
          ( ( ! [X18: $i] :
                ( ( in @ X18 @ ( powerset @ X4 ) )
               => ( ( nonempty @ X18 )
                 => ? [X20: $i] :
                      ( ( in @ X20 @ X18 )
                      & ! [X22: $i] :
                          ( ( in @ X22 @ X18 )
                         => ( ( in @ X20 @ X22 )
                            | ( X20 = X22 ) ) ) ) ) )
            & ! [X16: $i] :
                ( ( in @ X16 @ X4 )
               => ~ ( in @ X16 @ X16 ) )
            & ! [X12: $i] :
                ( ( in @ X12 @ X4 )
               => ! [X14: $i] :
                    ( ( in @ X14 @ X4 )
                   => ( ( in @ X14 @ X12 )
                      | ( in @ X12 @ X14 )
                      | ( X12 = X14 ) ) ) )
            & ! [X6: $i] :
                ( ( in @ X6 @ X4 )
               => ! [X8: $i] :
                    ( ( in @ X8 @ X4 )
                   => ! [X10: $i] :
                        ( ( in @ X10 @ X4 )
                       => ( ( ( in @ X8 @ X10 )
                            & ( in @ X6 @ X8 ) )
                         => ( in @ X6 @ X10 ) ) ) ) )
            & ( transitiveset @ X4 ) )
         => ! [X24: $i,X26: $i] :
              ( ( in @ X26 @ X4 )
             => ( ( in @ X24 @ X26 )
               => ( in @ X24 @ X4 ) ) ) )
     => ( ! [X28: $i] :
            ( ( ! [X42: $i] :
                  ( ( in @ X42 @ ( powerset @ X28 ) )
                 => ( ( nonempty @ X42 )
                   => ? [X44: $i] :
                        ( ( in @ X44 @ X42 )
                        & ! [X46: $i] :
                            ( ( in @ X46 @ X42 )
                           => ( ( in @ X44 @ X46 )
                              | ( X44 = X46 ) ) ) ) ) )
              & ! [X40: $i] :
                  ( ( in @ X40 @ X28 )
                 => ~ ( in @ X40 @ X40 ) )
              & ! [X36: $i] :
                  ( ( in @ X36 @ X28 )
                 => ! [X38: $i] :
                      ( ( in @ X38 @ X28 )
                     => ( ( in @ X38 @ X36 )
                        | ( in @ X36 @ X38 )
                        | ( X36 = X38 ) ) ) )
              & ! [X30: $i] :
                  ( ( in @ X30 @ X28 )
                 => ! [X32: $i] :
                      ( ( in @ X32 @ X28 )
                     => ! [X34: $i] :
                          ( ( in @ X34 @ X28 )
                         => ( ( ( in @ X32 @ X34 )
                              & ( in @ X30 @ X32 ) )
                           => ( in @ X30 @ X34 ) ) ) ) )
              & ( transitiveset @ X28 ) )
           => ! [X48: $i] :
                ( ( in @ X48 @ X28 )
               => ~ ( in @ X48 @ X48 ) ) )
       => ! [X50: $i] :
            ( ( ! [X64: $i] :
                  ( ( in @ X64 @ ( powerset @ X50 ) )
                 => ( ( nonempty @ X64 )
                   => ? [X66: $i] :
                        ( ( in @ X66 @ X64 )
                        & ! [X68: $i] :
                            ( ( in @ X68 @ X64 )
                           => ( ( in @ X66 @ X68 )
                              | ( X66 = X68 ) ) ) ) ) )
              & ! [X62: $i] :
                  ( ( in @ X62 @ X50 )
                 => ~ ( in @ X62 @ X62 ) )
              & ! [X58: $i] :
                  ( ( in @ X58 @ X50 )
                 => ! [X60: $i] :
                      ( ( in @ X60 @ X50 )
                     => ( ( in @ X60 @ X58 )
                        | ( in @ X58 @ X60 )
                        | ( X58 = X60 ) ) ) )
              & ! [X52: $i] :
                  ( ( in @ X52 @ X50 )
                 => ! [X54: $i] :
                      ( ( in @ X54 @ X50 )
                     => ! [X56: $i] :
                          ( ( in @ X56 @ X50 )
                         => ( ( ( in @ X54 @ X56 )
                              & ( in @ X52 @ X54 ) )
                           => ( in @ X52 @ X56 ) ) ) ) )
              & ( transitiveset @ X50 ) )
           => ! [X70: $i] :
                ( ( in @ X50 @ X70 )
               => ~ ( in @ X70 @ X50 ) ) ) ) ),
    inference('cnf.neg',[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl0,plain,
    ~ ( ( !!
        @ ^ [Y0: $i] :
            ( ( ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( powerset @ Y0 ) )
                   => ( ( nonempty @ Y1 )
                     => ( ??
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y1 )
                            & ( !!
                              @ ^ [Y3: $i] :
                                  ( ( in @ Y3 @ Y1 )
                                 => ( ( in @ Y2 @ Y3 )
                                    | ( Y2 = Y3 ) ) ) ) ) ) ) ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( (~) @ ( in @ Y1 @ Y1 ) ) ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ Y0 )
                         => ( ( in @ Y2 @ Y1 )
                            | ( in @ Y1 @ Y2 )
                            | ( Y1 = Y2 ) ) ) ) ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ Y0 )
                         => ( !!
                            @ ^ [Y3: $i] :
                                ( ( in @ Y3 @ Y0 )
                               => ( ( ( in @ Y2 @ Y3 )
                                    & ( in @ Y1 @ Y2 ) )
                                 => ( in @ Y1 @ Y3 ) ) ) ) ) ) ) )
              & ( transitiveset @ Y0 ) )
           => ( !!
              @ ^ [Y1: $i] :
                  ( !!
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y0 )
                     => ( ( in @ Y1 @ Y2 )
                       => ( in @ Y1 @ Y0 ) ) ) ) ) ) )
     => ( ( !!
          @ ^ [Y0: $i] :
              ( ( ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ ( powerset @ Y0 ) )
                     => ( ( nonempty @ Y1 )
                       => ( ??
                          @ ^ [Y2: $i] :
                              ( ( in @ Y2 @ Y1 )
                              & ( !!
                                @ ^ [Y3: $i] :
                                    ( ( in @ Y3 @ Y1 )
                                   => ( ( in @ Y2 @ Y3 )
                                      | ( Y2 = Y3 ) ) ) ) ) ) ) ) )
                & ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ Y0 )
                     => ( (~) @ ( in @ Y1 @ Y1 ) ) ) )
                & ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ Y0 )
                     => ( !!
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y0 )
                           => ( ( in @ Y2 @ Y1 )
                              | ( in @ Y1 @ Y2 )
                              | ( Y1 = Y2 ) ) ) ) ) )
                & ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ Y0 )
                     => ( !!
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y0 )
                           => ( !!
                              @ ^ [Y3: $i] :
                                  ( ( in @ Y3 @ Y0 )
                                 => ( ( ( in @ Y2 @ Y3 )
                                      & ( in @ Y1 @ Y2 ) )
                                   => ( in @ Y1 @ Y3 ) ) ) ) ) ) ) )
                & ( transitiveset @ Y0 ) )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( (~) @ ( in @ Y1 @ Y1 ) ) ) ) ) )
       => ( !!
          @ ^ [Y0: $i] :
              ( ( ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ ( powerset @ Y0 ) )
                     => ( ( nonempty @ Y1 )
                       => ( ??
                          @ ^ [Y2: $i] :
                              ( ( in @ Y2 @ Y1 )
                              & ( !!
                                @ ^ [Y3: $i] :
                                    ( ( in @ Y3 @ Y1 )
                                   => ( ( in @ Y2 @ Y3 )
                                      | ( Y2 = Y3 ) ) ) ) ) ) ) ) )
                & ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ Y0 )
                     => ( (~) @ ( in @ Y1 @ Y1 ) ) ) )
                & ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ Y0 )
                     => ( !!
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y0 )
                           => ( ( in @ Y2 @ Y1 )
                              | ( in @ Y1 @ Y2 )
                              | ( Y1 = Y2 ) ) ) ) ) )
                & ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ Y0 )
                     => ( !!
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y0 )
                           => ( !!
                              @ ^ [Y3: $i] :
                                  ( ( in @ Y3 @ Y0 )
                                 => ( ( ( in @ Y2 @ Y3 )
                                      & ( in @ Y1 @ Y2 ) )
                                   => ( in @ Y1 @ Y3 ) ) ) ) ) ) ) )
                & ( transitiveset @ Y0 ) )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y0 @ Y1 )
                   => ( (~) @ ( in @ Y1 @ Y0 ) ) ) ) ) ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_1]) ).

thf(zip_derived_cl1,plain,
    ~ ( ( !!
        @ ^ [Y0: $i] :
            ( ( ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( powerset @ Y0 ) )
                   => ( ( nonempty @ Y1 )
                     => ( ??
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y1 )
                            & ( !!
                              @ ^ [Y3: $i] :
                                  ( ( in @ Y3 @ Y1 )
                                 => ( ( in @ Y2 @ Y3 )
                                    | ( Y2 = Y3 ) ) ) ) ) ) ) ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( (~) @ ( in @ Y1 @ Y1 ) ) ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ Y0 )
                         => ( ( in @ Y2 @ Y1 )
                            | ( in @ Y1 @ Y2 )
                            | ( Y1 = Y2 ) ) ) ) ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ Y0 )
                         => ( !!
                            @ ^ [Y3: $i] :
                                ( ( in @ Y3 @ Y0 )
                               => ( ( ( in @ Y2 @ Y3 )
                                    & ( in @ Y1 @ Y2 ) )
                                 => ( in @ Y1 @ Y3 ) ) ) ) ) ) ) )
              & ( transitiveset @ Y0 ) )
           => ( !!
              @ ^ [Y1: $i] :
                  ( !!
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y0 )
                     => ( ( in @ Y1 @ Y2 )
                       => ( in @ Y1 @ Y0 ) ) ) ) ) ) )
     => ( !!
        @ ^ [Y0: $i] :
            ( ( ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( powerset @ Y0 ) )
                   => ( ( nonempty @ Y1 )
                     => ( ??
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y1 )
                            & ( !!
                              @ ^ [Y3: $i] :
                                  ( ( in @ Y3 @ Y1 )
                                 => ( ( in @ Y2 @ Y3 )
                                    | ( Y2 = Y3 ) ) ) ) ) ) ) ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( (~) @ ( in @ Y1 @ Y1 ) ) ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ Y0 )
                         => ( ( in @ Y2 @ Y1 )
                            | ( in @ Y1 @ Y2 )
                            | ( Y1 = Y2 ) ) ) ) ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ Y0 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ Y0 )
                         => ( !!
                            @ ^ [Y3: $i] :
                                ( ( in @ Y3 @ Y0 )
                               => ( ( ( in @ Y2 @ Y3 )
                                    & ( in @ Y1 @ Y2 ) )
                                 => ( in @ Y1 @ Y3 ) ) ) ) ) ) ) )
              & ( transitiveset @ Y0 ) )
           => ( !!
              @ ^ [Y1: $i] :
                  ( ( in @ Y0 @ Y1 )
                 => ( (~) @ ( in @ Y1 @ Y0 ) ) ) ) ) ) ),
    inference('simplify boolean subterms',[status(thm)],[zip_derived_cl0]) ).

thf(zip_derived_cl3,plain,
    ~ ( !!
      @ ^ [Y0: $i] :
          ( ( ( !!
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ ( powerset @ Y0 ) )
                 => ( ( nonempty @ Y1 )
                   => ( ??
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ Y1 )
                          & ( !!
                            @ ^ [Y3: $i] :
                                ( ( in @ Y3 @ Y1 )
                               => ( ( in @ Y2 @ Y3 )
                                  | ( Y2 = Y3 ) ) ) ) ) ) ) ) )
            & ( !!
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ Y0 )
                 => ( (~) @ ( in @ Y1 @ Y1 ) ) ) )
            & ( !!
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ Y0 )
                 => ( !!
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( ( in @ Y2 @ Y1 )
                          | ( in @ Y1 @ Y2 )
                          | ( Y1 = Y2 ) ) ) ) ) )
            & ( !!
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ Y0 )
                 => ( !!
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( !!
                          @ ^ [Y3: $i] :
                              ( ( in @ Y3 @ Y0 )
                             => ( ( ( in @ Y2 @ Y3 )
                                  & ( in @ Y1 @ Y2 ) )
                               => ( in @ Y1 @ Y3 ) ) ) ) ) ) ) )
            & ( transitiveset @ Y0 ) )
         => ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y0 @ Y1 )
               => ( (~) @ ( in @ Y1 @ Y0 ) ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl1]) ).

thf(zip_derived_cl5,plain,
    ~ ( ( ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( powerset @ '#sk1' ) )
             => ( ( nonempty @ Y0 )
               => ( ??
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ Y0 )
                      & ( !!
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y0 )
                           => ( ( in @ Y1 @ Y2 )
                              | ( Y1 = Y2 ) ) ) ) ) ) ) ) )
        & ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ '#sk1' )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
        & ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ '#sk1' )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ '#sk1' )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
        & ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ '#sk1' )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ '#sk1' )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ '#sk1' )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
        & ( transitiveset @ '#sk1' ) )
     => ( !!
        @ ^ [Y0: $i] :
            ( ( in @ '#sk1' @ Y0 )
           => ( (~) @ ( in @ Y0 @ '#sk1' ) ) ) ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl3]) ).

thf(zip_derived_cl7,plain,
    ( ( !!
      @ ^ [Y0: $i] :
          ( ( in @ Y0 @ ( powerset @ '#sk1' ) )
         => ( ( nonempty @ Y0 )
           => ( ??
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ Y0 )
                  & ( !!
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( ( in @ Y1 @ Y2 )
                          | ( Y1 = Y2 ) ) ) ) ) ) ) ) )
    & ( !!
      @ ^ [Y0: $i] :
          ( ( in @ Y0 @ '#sk1' )
         => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
    & ( !!
      @ ^ [Y0: $i] :
          ( ( in @ Y0 @ '#sk1' )
         => ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ '#sk1' )
               => ( ( in @ Y1 @ Y0 )
                  | ( in @ Y0 @ Y1 )
                  | ( Y0 = Y1 ) ) ) ) ) )
    & ( !!
      @ ^ [Y0: $i] :
          ( ( in @ Y0 @ '#sk1' )
         => ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ '#sk1' )
               => ( !!
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ '#sk1' )
                     => ( ( ( in @ Y1 @ Y2 )
                          & ( in @ Y0 @ Y1 ) )
                       => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
    & ( transitiveset @ '#sk1' ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl5]) ).

thf(zip_derived_cl11,plain,
    ( !!
    @ ^ [Y0: $i] :
        ( ( in @ Y0 @ '#sk1' )
       => ( (~) @ ( in @ Y0 @ Y0 ) ) ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl18,plain,
    ! [X2: $i] :
      ( ( in @ X2 @ '#sk1' )
     => ( (~) @ ( in @ X2 @ X2 ) ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl11]) ).

thf(zip_derived_cl26,plain,
    ! [X2: $i] :
      ( ~ ( in @ X2 @ '#sk1' )
      | ~ ( in @ X2 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl18]) ).

thf(zip_derived_cl113,plain,
    ~ ( in @ '#sk1' @ '#sk1' ),
    inference(eq_fact,[status(thm)],[zip_derived_cl26]) ).

thf(zip_derived_cl8,plain,
    ~ ( !!
      @ ^ [Y0: $i] :
          ( ( in @ '#sk1' @ Y0 )
         => ( (~) @ ( in @ Y0 @ '#sk1' ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl5]) ).

thf(zip_derived_cl15,plain,
    ~ ( ( in @ '#sk1' @ '#sk2' )
     => ( (~) @ ( in @ '#sk2' @ '#sk1' ) ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl8]) ).

thf(zip_derived_cl21,plain,
    in @ '#sk1' @ '#sk2',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl22,plain,
    in @ '#sk2' @ '#sk1',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl21_001,plain,
    in @ '#sk1' @ '#sk2',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl22_002,plain,
    in @ '#sk2' @ '#sk1',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl22_003,plain,
    in @ '#sk2' @ '#sk1',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl21_004,plain,
    in @ '#sk1' @ '#sk2',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl2,plain,
    ( !!
    @ ^ [Y0: $i] :
        ( ( ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ ( powerset @ Y0 ) )
               => ( ( nonempty @ Y1 )
                 => ( ??
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y1 )
                        & ( !!
                          @ ^ [Y3: $i] :
                              ( ( in @ Y3 @ Y1 )
                             => ( ( in @ Y2 @ Y3 )
                                | ( Y2 = Y3 ) ) ) ) ) ) ) ) )
          & ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ Y0 )
               => ( (~) @ ( in @ Y1 @ Y1 ) ) ) )
          & ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ Y0 )
               => ( !!
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y0 )
                     => ( ( in @ Y2 @ Y1 )
                        | ( in @ Y1 @ Y2 )
                        | ( Y1 = Y2 ) ) ) ) ) )
          & ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ Y0 )
               => ( !!
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y0 )
                     => ( !!
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3 @ Y0 )
                           => ( ( ( in @ Y2 @ Y3 )
                                & ( in @ Y1 @ Y2 ) )
                             => ( in @ Y1 @ Y3 ) ) ) ) ) ) ) )
          & ( transitiveset @ Y0 ) )
       => ( !!
          @ ^ [Y1: $i] :
              ( !!
              @ ^ [Y2: $i] :
                  ( ( in @ Y2 @ Y0 )
                 => ( ( in @ Y1 @ Y2 )
                   => ( in @ Y1 @ Y0 ) ) ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl1]) ).

thf(zip_derived_cl4,plain,
    ! [X2: $i] :
      ( ( ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( powerset @ X2 ) )
             => ( ( nonempty @ Y0 )
               => ( ??
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ Y0 )
                      & ( !!
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y0 )
                           => ( ( in @ Y1 @ Y2 )
                              | ( Y1 = Y2 ) ) ) ) ) ) ) ) )
        & ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
        & ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
        & ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
        & ( transitiveset @ X2 ) )
     => ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl2]) ).

thf(zip_derived_cl6,plain,
    ! [X2: $i] :
      ( ~ ( ( !!
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ ( powerset @ X2 ) )
               => ( ( nonempty @ Y0 )
                 => ( ??
                    @ ^ [Y1: $i] :
                        ( ( in @ Y1 @ Y0 )
                        & ( !!
                          @ ^ [Y2: $i] :
                              ( ( in @ Y2 @ Y0 )
                             => ( ( in @ Y1 @ Y2 )
                                | ( Y1 = Y2 ) ) ) ) ) ) ) ) )
          & ( !!
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ X2 )
               => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
          & ( !!
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ X2 )
               => ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ X2 )
                     => ( ( in @ Y1 @ Y0 )
                        | ( in @ Y0 @ Y1 )
                        | ( Y0 = Y1 ) ) ) ) ) )
          & ( !!
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ X2 )
               => ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ X2 )
                     => ( !!
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ X2 )
                           => ( ( ( in @ Y1 @ Y2 )
                                & ( in @ Y0 @ Y1 ) )
                             => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
          & ( transitiveset @ X2 ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl4]) ).

thf(zip_derived_cl9,plain,
    ! [X2: $i] :
      ( ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( powerset @ X2 ) )
             => ( ( nonempty @ Y0 )
               => ( ??
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ Y0 )
                      & ( !!
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y0 )
                           => ( ( in @ Y1 @ Y2 )
                              | ( Y1 = Y2 ) ) ) ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl6]) ).

thf(zip_derived_cl16,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
         => ( ( nonempty @ ( '#sk3' @ X2 ) )
           => ( ??
              @ ^ [Y0: $i] :
                  ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
                  & ( !!
                    @ ^ [Y1: $i] :
                        ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                       => ( ( in @ Y0 @ Y1 )
                          | ( Y0 = Y1 ) ) ) ) ) ) ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl9]) ).

thf(zip_derived_cl24,plain,
    ! [X2: $i] :
      ( ~ ( ( nonempty @ ( '#sk3' @ X2 ) )
         => ( ??
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
                & ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                     => ( ( in @ Y0 @ Y1 )
                        | ( Y0 = Y1 ) ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl16]) ).

thf(zip_derived_cl30,plain,
    ! [X2: $i] :
      ( ( nonempty @ ( '#sk3' @ X2 ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl24]) ).

thf(zip_derived_cl23,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl16]) ).

thf(zip_derived_cl29,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk4' @ X2 ) @ X2 )
         => ( (~) @ ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) ) ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl23]) ).

thf(zip_derived_cl35,plain,
    ! [X2: $i] :
      ( ( '#form5' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl38,plain,
    ! [X2: $i] :
      ( ~ ( '#form5' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ( nonempty @ ( '#sk3' @ X2 ) ) ),
    inference(renaming,[status(thm)],[zip_derived_cl30,zip_derived_cl35]) ).

thf(zip_derived_cl29_005,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk4' @ X2 ) @ X2 )
         => ( (~) @ ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) ) ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl23]) ).

thf(zip_derived_cl35_006,plain,
    ! [X2: $i] :
      ( ( '#form5' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl37,plain,
    ! [X2: $i] :
      ( ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( ( in @ ( '#sk4' @ X2 ) @ X2 )
         => ( (~) @ ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) ) ) ) ),
    inference(renaming,[status(thm)],[zip_derived_cl29,zip_derived_cl35]) ).

thf(zip_derived_cl43,plain,
    ! [X2: $i] :
      ( ( '#form8' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl48,plain,
    ! [X2: $i] :
      ( ~ ( '#form8' @ X2 )
      | ( nonempty @ ( '#sk3' @ X2 ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
      | ~ ( '#form5' @ X2 ) ),
    inference(renaming,[status(thm)],[zip_derived_cl38,zip_derived_cl43]) ).

thf(zip_derived_cl59,plain,
    ! [X2: $i,X4: $i] :
      ( ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ X2 )
           => ( ( in @ X4 @ Y0 )
             => ( in @ X4 @ X2 ) ) ) )
      | ~ ( '#form5' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ( nonempty @ ( '#sk3' @ X2 ) )
      | ~ ( '#form8' @ X2 ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl48]) ).

thf(zip_derived_cl31,plain,
    ! [X2: $i] :
      ( ~ ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl24]) ).

thf(zip_derived_cl35_007,plain,
    ! [X2: $i] :
      ( ( '#form5' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl39,plain,
    ! [X2: $i] :
      ( ~ ( '#form5' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) ) ),
    inference(renaming,[status(thm)],[zip_derived_cl31,zip_derived_cl35]) ).

thf(zip_derived_cl43_008,plain,
    ! [X2: $i] :
      ( ( '#form8' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl49,plain,
    ! [X2: $i] :
      ( ~ ( '#form8' @ X2 )
      | ~ ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
      | ~ ( '#form5' @ X2 ) ),
    inference(renaming,[status(thm)],[zip_derived_cl39,zip_derived_cl43]) ).

thf(zip_derived_cl60,plain,
    ! [X2: $i] :
      ( ( '#form11' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl71,plain,
    ! [X2: $i,X4: $i] :
      ( ~ ( '#form11' @ X2 )
      | ~ ( '#form8' @ X2 )
      | ( nonempty @ ( '#sk3' @ X2 ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ X2 )
           => ( ( in @ X4 @ Y0 )
             => ( in @ X4 @ X2 ) ) ) ) ),
    inference(renaming,[status(thm)],[zip_derived_cl59,zip_derived_cl60]) ).

thf(zip_derived_cl82,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ( ( in @ X6 @ X2 )
       => ( ( in @ X4 @ X6 )
         => ( in @ X4 @ X2 ) ) )
      | ~ ( '#form5' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ( nonempty @ ( '#sk3' @ X2 ) )
      | ~ ( '#form8' @ X2 )
      | ~ ( '#form11' @ X2 ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl71]) ).

thf(zip_derived_cl93,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X6 @ X2 )
      | ( ( in @ X4 @ X6 )
       => ( in @ X4 @ X2 ) )
      | ~ ( '#form11' @ X2 )
      | ~ ( '#form8' @ X2 )
      | ( nonempty @ ( '#sk3' @ X2 ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl82]) ).

thf(zip_derived_cl101,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X4 @ X6 )
      | ( in @ X4 @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ( nonempty @ ( '#sk3' @ X2 ) )
      | ~ ( '#form8' @ X2 )
      | ~ ( '#form11' @ X2 )
      | ~ ( in @ X6 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl93]) ).

thf(zip_derived_cl507,plain,
    ! [X0: $i] :
      ( ~ ( in @ '#sk2' @ X0 )
      | ~ ( '#form11' @ X0 )
      | ~ ( '#form8' @ X0 )
      | ( nonempty @ ( '#sk3' @ X0 ) )
      | ~ ( transitiveset @ X0 )
      | ~ ( '#form5' @ X0 )
      | ( in @ '#sk1' @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl21,zip_derived_cl101]) ).

thf(zip_derived_cl529,plain,
    ( ( in @ '#sk1' @ '#sk1' )
    | ~ ( '#form5' @ '#sk1' )
    | ~ ( transitiveset @ '#sk1' )
    | ( nonempty @ ( '#sk3' @ '#sk1' ) )
    | ~ ( '#form8' @ '#sk1' )
    | ~ ( '#form11' @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl22,zip_derived_cl507]) ).

thf(zip_derived_cl113_009,plain,
    ~ ( in @ '#sk1' @ '#sk1' ),
    inference(eq_fact,[status(thm)],[zip_derived_cl26]) ).

thf(zip_derived_cl14,plain,
    transitiveset @ '#sk1',
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl43_010,plain,
    ! [X2: $i] :
      ( ( '#form8' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl44,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk9' @ X2 ) @ X2 )
         => ( !!
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ X2 )
               => ( ( in @ Y0 @ ( '#sk9' @ X2 ) )
                  | ( in @ ( '#sk9' @ X2 ) @ Y0 )
                  | ( ( '#sk9' @ X2 )
                    = Y0 ) ) ) ) )
      | ( '#form8' @ X2 ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl43]) ).

thf(zip_derived_cl56,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk9' @ X2 ) @ X2 )
      | ( '#form8' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl44]) ).

thf(zip_derived_cl57,plain,
    ! [X2: $i] :
      ( ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( ( in @ Y0 @ ( '#sk9' @ X2 ) )
                | ( in @ ( '#sk9' @ X2 ) @ Y0 )
                | ( ( '#sk9' @ X2 )
                  = Y0 ) ) ) )
      | ( '#form8' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl44]) ).

thf(zip_derived_cl68,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk12' @ X2 ) @ X2 )
         => ( ( in @ ( '#sk12' @ X2 ) @ ( '#sk9' @ X2 ) )
            | ( in @ ( '#sk9' @ X2 ) @ ( '#sk12' @ X2 ) )
            | ( ( '#sk9' @ X2 )
              = ( '#sk12' @ X2 ) ) ) )
      | ( '#form8' @ X2 ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl57]) ).

thf(zip_derived_cl79,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk12' @ X2 ) @ X2 )
      | ( '#form8' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl68]) ).

thf(zip_derived_cl12,plain,
    ( !!
    @ ^ [Y0: $i] :
        ( ( in @ Y0 @ '#sk1' )
       => ( !!
          @ ^ [Y1: $i] :
              ( ( in @ Y1 @ '#sk1' )
             => ( ( in @ Y1 @ Y0 )
                | ( in @ Y0 @ Y1 )
                | ( Y0 = Y1 ) ) ) ) ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl19,plain,
    ! [X2: $i] :
      ( ( in @ X2 @ '#sk1' )
     => ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ '#sk1' )
           => ( ( in @ Y0 @ X2 )
              | ( in @ X2 @ Y0 )
              | ( X2 = Y0 ) ) ) ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl12]) ).

thf(zip_derived_cl27,plain,
    ! [X2: $i] :
      ( ~ ( in @ X2 @ '#sk1' )
      | ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ '#sk1' )
           => ( ( in @ Y0 @ X2 )
              | ( in @ X2 @ Y0 )
              | ( X2 = Y0 ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl19]) ).

thf(zip_derived_cl33,plain,
    ! [X2: $i,X4: $i] :
      ( ( ( in @ X4 @ '#sk1' )
       => ( ( in @ X4 @ X2 )
          | ( in @ X2 @ X4 )
          | ( X2 = X4 ) ) )
      | ~ ( in @ X2 @ '#sk1' ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl27]) ).

thf(zip_derived_cl41,plain,
    ! [X2: $i,X4: $i] :
      ( ~ ( in @ X4 @ '#sk1' )
      | ( in @ X4 @ X2 )
      | ( in @ X2 @ X4 )
      | ( X2 = X4 )
      | ~ ( in @ X2 @ '#sk1' ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl33]) ).

thf(zip_derived_cl52,plain,
    ! [X2: $i,X4: $i] :
      ( ( in @ X4 @ X2 )
      | ( in @ X2 @ X4 )
      | ( X2 = X4 )
      | ~ ( in @ X2 @ '#sk1' )
      | ~ ( in @ X4 @ '#sk1' ) ),
    inference(lazy_cnf_or,[status(thm)],[zip_derived_cl41]) ).

thf(zip_derived_cl64,plain,
    ! [X2: $i,X4: $i] :
      ( ( in @ X4 @ X2 )
      | ( in @ X2 @ X4 )
      | ( X2 = X4 )
      | ~ ( in @ X2 @ '#sk1' )
      | ~ ( in @ X4 @ '#sk1' ) ),
    inference('simplify nested equalities',[status(thm)],[zip_derived_cl52]) ).

thf(zip_derived_cl132,plain,
    ! [X0: $i] :
      ( ( '#form8' @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' )
      | ( ( '#sk12' @ '#sk1' )
        = X0 )
      | ( in @ ( '#sk12' @ '#sk1' ) @ X0 )
      | ( in @ X0 @ ( '#sk12' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl79,zip_derived_cl64]) ).

thf(zip_derived_cl310,plain,
    ( ( '#form8' @ '#sk1' )
    | ( in @ ( '#sk9' @ '#sk1' ) @ ( '#sk12' @ '#sk1' ) )
    | ( in @ ( '#sk12' @ '#sk1' ) @ ( '#sk9' @ '#sk1' ) )
    | ( ( '#sk12' @ '#sk1' )
      = ( '#sk9' @ '#sk1' ) )
    | ( '#form8' @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl56,zip_derived_cl132]) ).

thf(zip_derived_cl322,plain,
    ( ( ( '#sk12' @ '#sk1' )
      = ( '#sk9' @ '#sk1' ) )
    | ( in @ ( '#sk12' @ '#sk1' ) @ ( '#sk9' @ '#sk1' ) )
    | ( in @ ( '#sk9' @ '#sk1' ) @ ( '#sk12' @ '#sk1' ) )
    | ( '#form8' @ '#sk1' ) ),
    inference(simplify,[status(thm)],[zip_derived_cl310]) ).

thf(zip_derived_cl80,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk12' @ X2 ) @ ( '#sk9' @ X2 ) )
          | ( in @ ( '#sk9' @ X2 ) @ ( '#sk12' @ X2 ) )
          | ( ( '#sk9' @ X2 )
            = ( '#sk12' @ X2 ) ) )
      | ( '#form8' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl68]) ).

thf(zip_derived_cl90,plain,
    ! [X2: $i] :
      ( ( ( '#sk9' @ X2 )
       != ( '#sk12' @ X2 ) )
      | ( '#form8' @ X2 ) ),
    inference(lazy_cnf_or,[status(thm)],[zip_derived_cl80]) ).

thf(zip_derived_cl98,plain,
    ! [X2: $i] :
      ( ( ( '#sk9' @ X2 )
       != ( '#sk12' @ X2 ) )
      | ( '#form8' @ X2 ) ),
    inference('simplify nested equalities',[status(thm)],[zip_derived_cl90]) ).

thf(zip_derived_cl419,plain,
    ( ( '#form8' @ '#sk1' )
    | ( in @ ( '#sk9' @ '#sk1' ) @ ( '#sk12' @ '#sk1' ) )
    | ( in @ ( '#sk12' @ '#sk1' ) @ ( '#sk9' @ '#sk1' ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl322,zip_derived_cl98]) ).

thf(zip_derived_cl89,plain,
    ! [X2: $i] :
      ( ~ ( in @ ( '#sk9' @ X2 ) @ ( '#sk12' @ X2 ) )
      | ( '#form8' @ X2 ) ),
    inference(lazy_cnf_or,[status(thm)],[zip_derived_cl80]) ).

thf(zip_derived_cl420,plain,
    ( ( in @ ( '#sk12' @ '#sk1' ) @ ( '#sk9' @ '#sk1' ) )
    | ( '#form8' @ '#sk1' ) ),
    inference(clc,[status(thm)],[zip_derived_cl419,zip_derived_cl89]) ).

thf(zip_derived_cl88,plain,
    ! [X2: $i] :
      ( ~ ( in @ ( '#sk12' @ X2 ) @ ( '#sk9' @ X2 ) )
      | ( '#form8' @ X2 ) ),
    inference(lazy_cnf_or,[status(thm)],[zip_derived_cl80]) ).

thf(zip_derived_cl421,plain,
    '#form8' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl420,zip_derived_cl88]) ).

thf(zip_derived_cl60_011,plain,
    ! [X2: $i] :
      ( ( '#form11' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl61,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk4' @ X2 ) @ X2 )
         => ( (~) @ ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) ) ) )
      | ( '#form11' @ X2 ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl60]) ).

thf(zip_derived_cl73,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk4' @ X2 ) @ X2 )
      | ( '#form11' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl61]) ).

thf(zip_derived_cl26_012,plain,
    ! [X2: $i] :
      ( ~ ( in @ X2 @ '#sk1' )
      | ~ ( in @ X2 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl18]) ).

thf(zip_derived_cl123,plain,
    ( ( '#form11' @ '#sk1' )
    | ~ ( in @ ( '#sk4' @ '#sk1' ) @ ( '#sk4' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl73,zip_derived_cl26]) ).

thf(zip_derived_cl74,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) )
      | ( '#form11' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl61]) ).

thf(zip_derived_cl129,plain,
    '#form11' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl123,zip_derived_cl74]) ).

thf(zip_derived_cl531,plain,
    ( ~ ( '#form5' @ '#sk1' )
    | ( nonempty @ ( '#sk3' @ '#sk1' ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl529,zip_derived_cl113,zip_derived_cl14,zip_derived_cl421,zip_derived_cl129]) ).

thf(zip_derived_cl10,plain,
    ( !!
    @ ^ [Y0: $i] :
        ( ( in @ Y0 @ ( powerset @ '#sk1' ) )
       => ( ( nonempty @ Y0 )
         => ( ??
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ Y0 )
                & ( !!
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y0 )
                     => ( ( in @ Y1 @ Y2 )
                        | ( Y1 = Y2 ) ) ) ) ) ) ) ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl17,plain,
    ! [X2: $i] :
      ( ( in @ X2 @ ( powerset @ '#sk1' ) )
     => ( ( nonempty @ X2 )
       => ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) ) ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl10]) ).

thf(zip_derived_cl25,plain,
    ! [X2: $i] :
      ( ~ ( in @ X2 @ ( powerset @ '#sk1' ) )
      | ( ( nonempty @ X2 )
       => ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl17]) ).

thf(zip_derived_cl32,plain,
    ! [X2: $i] :
      ( ~ ( nonempty @ X2 )
      | ( ??
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ X2 )
            & ( !!
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ X2 )
                 => ( ( in @ Y0 @ Y1 )
                    | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( in @ X2 @ ( powerset @ '#sk1' ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl25]) ).

thf(zip_derived_cl40,plain,
    ! [X2: $i] :
      ( ( ( in @ ( '#sk7' @ X2 ) @ X2 )
        & ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( ( in @ ( '#sk7' @ X2 ) @ Y0 )
                | ( ( '#sk7' @ X2 )
                  = Y0 ) ) ) ) )
      | ~ ( in @ X2 @ ( powerset @ '#sk1' ) )
      | ~ ( nonempty @ X2 ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl32]) ).

thf(zip_derived_cl50,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk7' @ X2 ) @ X2 )
      | ~ ( nonempty @ X2 )
      | ~ ( in @ X2 @ ( powerset @ '#sk1' ) ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl40]) ).

thf(zip_derived_cl533,plain,
    ( ~ ( '#form5' @ '#sk1' )
    | ~ ( in @ ( '#sk3' @ '#sk1' ) @ ( powerset @ '#sk1' ) )
    | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl531,zip_derived_cl50]) ).

thf(zip_derived_cl35_013,plain,
    ! [X2: $i] :
      ( ( '#form5' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( !!
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ X2 )
                         => ( ( ( in @ Y1 @ Y2 )
                              & ( in @ Y0 @ Y1 ) )
                           => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl36,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk6' @ X2 ) @ X2 )
         => ( !!
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ X2 )
               => ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ X2 )
                     => ( ( ( in @ Y0 @ Y1 )
                          & ( in @ ( '#sk6' @ X2 ) @ Y0 ) )
                       => ( in @ ( '#sk6' @ X2 ) @ Y1 ) ) ) ) ) ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl35]) ).

thf(zip_derived_cl47,plain,
    ! [X2: $i] :
      ( ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( ( in @ Y0 @ Y1 )
                        & ( in @ ( '#sk6' @ X2 ) @ Y0 ) )
                     => ( in @ ( '#sk6' @ X2 ) @ Y1 ) ) ) ) ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl36]) ).

thf(zip_derived_cl58,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk10' @ X2 ) @ X2 )
         => ( !!
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ X2 )
               => ( ( ( in @ ( '#sk10' @ X2 ) @ Y0 )
                    & ( in @ ( '#sk6' @ X2 ) @ ( '#sk10' @ X2 ) ) )
                 => ( in @ ( '#sk6' @ X2 ) @ Y0 ) ) ) ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl47]) ).

thf(zip_derived_cl70,plain,
    ! [X2: $i] :
      ( ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( ( ( in @ ( '#sk10' @ X2 ) @ Y0 )
                  & ( in @ ( '#sk6' @ X2 ) @ ( '#sk10' @ X2 ) ) )
               => ( in @ ( '#sk6' @ X2 ) @ Y0 ) ) ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl58]) ).

thf(zip_derived_cl81,plain,
    ! [X2: $i] :
      ( ~ ( ( in @ ( '#sk13' @ X2 ) @ X2 )
         => ( ( ( in @ ( '#sk10' @ X2 ) @ ( '#sk13' @ X2 ) )
              & ( in @ ( '#sk6' @ X2 ) @ ( '#sk10' @ X2 ) ) )
           => ( in @ ( '#sk6' @ X2 ) @ ( '#sk13' @ X2 ) ) ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl70]) ).

thf(zip_derived_cl92,plain,
    ! [X2: $i] :
      ( ~ ( ( ( in @ ( '#sk10' @ X2 ) @ ( '#sk13' @ X2 ) )
            & ( in @ ( '#sk6' @ X2 ) @ ( '#sk10' @ X2 ) ) )
         => ( in @ ( '#sk6' @ X2 ) @ ( '#sk13' @ X2 ) ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl81]) ).

thf(zip_derived_cl99,plain,
    ! [X2: $i] :
      ( ( ( in @ ( '#sk10' @ X2 ) @ ( '#sk13' @ X2 ) )
        & ( in @ ( '#sk6' @ X2 ) @ ( '#sk10' @ X2 ) ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl92]) ).

thf(zip_derived_cl104,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk6' @ X2 ) @ ( '#sk10' @ X2 ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl99]) ).

thf(zip_derived_cl69,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk10' @ X2 ) @ X2 )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl58]) ).

thf(zip_derived_cl103,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk10' @ X2 ) @ ( '#sk13' @ X2 ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl99]) ).

thf(zip_derived_cl13,plain,
    ( !!
    @ ^ [Y0: $i] :
        ( ( in @ Y0 @ '#sk1' )
       => ( !!
          @ ^ [Y1: $i] :
              ( ( in @ Y1 @ '#sk1' )
             => ( !!
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ '#sk1' )
                   => ( ( ( in @ Y1 @ Y2 )
                        & ( in @ Y0 @ Y1 ) )
                     => ( in @ Y0 @ Y2 ) ) ) ) ) ) ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl20,plain,
    ! [X2: $i] :
      ( ( in @ X2 @ '#sk1' )
     => ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ '#sk1' )
           => ( !!
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ '#sk1' )
                 => ( ( ( in @ Y0 @ Y1 )
                      & ( in @ X2 @ Y0 ) )
                   => ( in @ X2 @ Y1 ) ) ) ) ) ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl13]) ).

thf(zip_derived_cl28,plain,
    ! [X2: $i] :
      ( ~ ( in @ X2 @ '#sk1' )
      | ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ '#sk1' )
           => ( !!
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ '#sk1' )
                 => ( ( ( in @ Y0 @ Y1 )
                      & ( in @ X2 @ Y0 ) )
                   => ( in @ X2 @ Y1 ) ) ) ) ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl20]) ).

thf(zip_derived_cl34,plain,
    ! [X2: $i,X4: $i] :
      ( ( ( in @ X4 @ '#sk1' )
       => ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ '#sk1' )
             => ( ( ( in @ X4 @ Y0 )
                  & ( in @ X2 @ X4 ) )
               => ( in @ X2 @ Y0 ) ) ) ) )
      | ~ ( in @ X2 @ '#sk1' ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl28]) ).

thf(zip_derived_cl42,plain,
    ! [X2: $i,X4: $i] :
      ( ~ ( in @ X4 @ '#sk1' )
      | ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ '#sk1' )
           => ( ( ( in @ X4 @ Y0 )
                & ( in @ X2 @ X4 ) )
             => ( in @ X2 @ Y0 ) ) ) )
      | ~ ( in @ X2 @ '#sk1' ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl34]) ).

thf(zip_derived_cl53,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ( ( in @ X6 @ '#sk1' )
       => ( ( ( in @ X4 @ X6 )
            & ( in @ X2 @ X4 ) )
         => ( in @ X2 @ X6 ) ) )
      | ~ ( in @ X2 @ '#sk1' )
      | ~ ( in @ X4 @ '#sk1' ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl42]) ).

thf(zip_derived_cl65,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X6 @ '#sk1' )
      | ( ( ( in @ X4 @ X6 )
          & ( in @ X2 @ X4 ) )
       => ( in @ X2 @ X6 ) )
      | ~ ( in @ X4 @ '#sk1' )
      | ~ ( in @ X2 @ '#sk1' ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl53]) ).

thf(zip_derived_cl76,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( ( in @ X4 @ X6 )
          & ( in @ X2 @ X4 ) )
      | ( in @ X2 @ X6 )
      | ~ ( in @ X2 @ '#sk1' )
      | ~ ( in @ X4 @ '#sk1' )
      | ~ ( in @ X6 @ '#sk1' ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl65]) ).

thf(zip_derived_cl85,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X4 @ X6 )
      | ~ ( in @ X2 @ X4 )
      | ~ ( in @ X6 @ '#sk1' )
      | ~ ( in @ X4 @ '#sk1' )
      | ~ ( in @ X2 @ '#sk1' )
      | ( in @ X2 @ X6 ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl76]) ).

thf(zip_derived_cl177,plain,
    ! [X0: $i,X1: $i] :
      ( ( '#form5' @ X0 )
      | ( in @ X1 @ ( '#sk13' @ X0 ) )
      | ~ ( in @ X1 @ '#sk1' )
      | ~ ( in @ ( '#sk10' @ X0 ) @ '#sk1' )
      | ~ ( in @ ( '#sk13' @ X0 ) @ '#sk1' )
      | ~ ( in @ X1 @ ( '#sk10' @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl103,zip_derived_cl85]) ).

thf(zip_derived_cl556,plain,
    ! [X0: $i] :
      ( ( '#form5' @ '#sk1' )
      | ~ ( in @ X0 @ ( '#sk10' @ '#sk1' ) )
      | ~ ( in @ ( '#sk13' @ '#sk1' ) @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' )
      | ( in @ X0 @ ( '#sk13' @ '#sk1' ) )
      | ( '#form5' @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl69,zip_derived_cl177]) ).

thf(zip_derived_cl558,plain,
    ! [X0: $i] :
      ( ( in @ X0 @ ( '#sk13' @ '#sk1' ) )
      | ~ ( in @ X0 @ '#sk1' )
      | ~ ( in @ ( '#sk13' @ '#sk1' ) @ '#sk1' )
      | ~ ( in @ X0 @ ( '#sk10' @ '#sk1' ) )
      | ( '#form5' @ '#sk1' ) ),
    inference(simplify,[status(thm)],[zip_derived_cl556]) ).

thf(zip_derived_cl91,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk13' @ X2 ) @ X2 )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl81]) ).

thf(zip_derived_cl560,plain,
    ! [X0: $i] :
      ( ( '#form5' @ '#sk1' )
      | ~ ( in @ X0 @ ( '#sk10' @ '#sk1' ) )
      | ~ ( in @ X0 @ '#sk1' )
      | ( in @ X0 @ ( '#sk13' @ '#sk1' ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl558,zip_derived_cl91]) ).

thf(zip_derived_cl565,plain,
    ( ( '#form5' @ '#sk1' )
    | ( in @ ( '#sk6' @ '#sk1' ) @ ( '#sk13' @ '#sk1' ) )
    | ~ ( in @ ( '#sk6' @ '#sk1' ) @ '#sk1' )
    | ( '#form5' @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl104,zip_derived_cl560]) ).

thf(zip_derived_cl575,plain,
    ( ~ ( in @ ( '#sk6' @ '#sk1' ) @ '#sk1' )
    | ( in @ ( '#sk6' @ '#sk1' ) @ ( '#sk13' @ '#sk1' ) )
    | ( '#form5' @ '#sk1' ) ),
    inference(simplify,[status(thm)],[zip_derived_cl565]) ).

thf(zip_derived_cl46,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk6' @ X2 ) @ X2 )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl36]) ).

thf(zip_derived_cl577,plain,
    ( ( '#form5' @ '#sk1' )
    | ( in @ ( '#sk6' @ '#sk1' ) @ ( '#sk13' @ '#sk1' ) ) ),
    inference(clc,[status(thm)],[zip_derived_cl575,zip_derived_cl46]) ).

thf(zip_derived_cl100,plain,
    ! [X2: $i] :
      ( ~ ( in @ ( '#sk6' @ X2 ) @ ( '#sk13' @ X2 ) )
      | ( '#form5' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl92]) ).

thf(zip_derived_cl578,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl580,plain,
    ( ~ ( in @ ( '#sk3' @ '#sk1' ) @ ( powerset @ '#sk1' ) )
    | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl533,zip_derived_cl578]) ).

thf(zip_derived_cl22_014,plain,
    in @ '#sk2' @ '#sk1',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl21_015,plain,
    in @ '#sk1' @ '#sk2',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl37_016,plain,
    ! [X2: $i] :
      ( ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( ( in @ ( '#sk4' @ X2 ) @ X2 )
         => ( (~) @ ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) ) ) ) ),
    inference(renaming,[status(thm)],[zip_derived_cl29,zip_derived_cl35]) ).

thf(zip_derived_cl43_017,plain,
    ! [X2: $i] :
      ( ( '#form8' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ X2 )
                   => ( ( in @ Y1 @ Y0 )
                      | ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl45,plain,
    ! [X2: $i] :
      ( ~ ( '#form8' @ X2 )
      | ~ ( ( in @ ( '#sk4' @ X2 ) @ X2 )
         => ( (~) @ ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) ) ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( '#form5' @ X2 ) ),
    inference(renaming,[status(thm)],[zip_derived_cl37,zip_derived_cl43]) ).

thf(zip_derived_cl55,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( '#form8' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl45]) ).

thf(zip_derived_cl67,plain,
    ! [X2: $i,X4: $i] :
      ( ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ X2 )
           => ( ( in @ X4 @ Y0 )
             => ( in @ X4 @ X2 ) ) ) )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl55]) ).

thf(zip_derived_cl78,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ( ( in @ X6 @ X2 )
       => ( ( in @ X4 @ X6 )
         => ( in @ X4 @ X2 ) ) )
      | ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form8' @ X2 ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl67]) ).

thf(zip_derived_cl87,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X6 @ X2 )
      | ( ( in @ X4 @ X6 )
       => ( in @ X4 @ X2 ) )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl78]) ).

thf(zip_derived_cl97,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X4 @ X6 )
      | ( in @ X4 @ X2 )
      | ( in @ ( '#sk4' @ X2 ) @ ( '#sk4' @ X2 ) )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( in @ X6 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl87]) ).

thf(zip_derived_cl464,plain,
    ! [X0: $i] :
      ( ~ ( in @ '#sk2' @ X0 )
      | ~ ( '#form8' @ X0 )
      | ~ ( transitiveset @ X0 )
      | ( in @ ( '#sk3' @ X0 ) @ ( powerset @ X0 ) )
      | ~ ( '#form5' @ X0 )
      | ( in @ ( '#sk4' @ X0 ) @ ( '#sk4' @ X0 ) )
      | ( in @ '#sk1' @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl21,zip_derived_cl97]) ).

thf(zip_derived_cl1718,plain,
    ( ( in @ '#sk1' @ '#sk1' )
    | ( in @ ( '#sk4' @ '#sk1' ) @ ( '#sk4' @ '#sk1' ) )
    | ~ ( '#form5' @ '#sk1' )
    | ( in @ ( '#sk3' @ '#sk1' ) @ ( powerset @ '#sk1' ) )
    | ~ ( transitiveset @ '#sk1' )
    | ~ ( '#form8' @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl22,zip_derived_cl464]) ).

thf(zip_derived_cl113_018,plain,
    ~ ( in @ '#sk1' @ '#sk1' ),
    inference(eq_fact,[status(thm)],[zip_derived_cl26]) ).

thf(zip_derived_cl21_019,plain,
    in @ '#sk1' @ '#sk2',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl21_020,plain,
    in @ '#sk1' @ '#sk2',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl22_021,plain,
    in @ '#sk2' @ '#sk1',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl22_022,plain,
    in @ '#sk2' @ '#sk1',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl21_023,plain,
    in @ '#sk1' @ '#sk2',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl54,plain,
    ! [X2: $i] :
      ( ( in @ ( '#sk4' @ X2 ) @ X2 )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( '#form8' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl45]) ).

thf(zip_derived_cl66,plain,
    ! [X2: $i,X4: $i] :
      ( ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ X2 )
           => ( ( in @ X4 @ Y0 )
             => ( in @ X4 @ X2 ) ) ) )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk4' @ X2 ) @ X2 ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl54]) ).

thf(zip_derived_cl77,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ( ( in @ X6 @ X2 )
       => ( ( in @ X4 @ X6 )
         => ( in @ X4 @ X2 ) ) )
      | ( in @ ( '#sk4' @ X2 ) @ X2 )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form8' @ X2 ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl66]) ).

thf(zip_derived_cl86,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X6 @ X2 )
      | ( ( in @ X4 @ X6 )
       => ( in @ X4 @ X2 ) )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk4' @ X2 ) @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl77]) ).

thf(zip_derived_cl96,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X4 @ X6 )
      | ( in @ X4 @ X2 )
      | ( in @ ( '#sk4' @ X2 ) @ X2 )
      | ~ ( '#form5' @ X2 )
      | ( in @ ( '#sk3' @ X2 ) @ ( powerset @ X2 ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( in @ X6 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl86]) ).

thf(zip_derived_cl364,plain,
    ! [X0: $i] :
      ( ~ ( in @ '#sk2' @ X0 )
      | ~ ( '#form8' @ X0 )
      | ~ ( transitiveset @ X0 )
      | ( in @ ( '#sk3' @ X0 ) @ ( powerset @ X0 ) )
      | ~ ( '#form5' @ X0 )
      | ( in @ ( '#sk4' @ X0 ) @ X0 )
      | ( in @ '#sk1' @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl21,zip_derived_cl96]) ).

thf(zip_derived_cl767,plain,
    ( ( in @ '#sk1' @ '#sk1' )
    | ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
    | ~ ( '#form5' @ '#sk1' )
    | ( in @ ( '#sk3' @ '#sk1' ) @ ( powerset @ '#sk1' ) )
    | ~ ( transitiveset @ '#sk1' )
    | ~ ( '#form8' @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl22,zip_derived_cl364]) ).

thf(zip_derived_cl113_024,plain,
    ~ ( in @ '#sk1' @ '#sk1' ),
    inference(eq_fact,[status(thm)],[zip_derived_cl26]) ).

thf(zip_derived_cl578_025,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl14_026,plain,
    transitiveset @ '#sk1',
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl421_027,plain,
    '#form8' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl420,zip_derived_cl88]) ).

thf(zip_derived_cl769,plain,
    ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
    | ( in @ ( '#sk3' @ '#sk1' ) @ ( powerset @ '#sk1' ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl767,zip_derived_cl113,zip_derived_cl578,zip_derived_cl14,zip_derived_cl421]) ).

thf(zip_derived_cl580_028,plain,
    ( ~ ( in @ ( '#sk3' @ '#sk1' ) @ ( powerset @ '#sk1' ) )
    | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl533,zip_derived_cl578]) ).

thf(zip_derived_cl771,plain,
    ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
    | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl769,zip_derived_cl580]) ).

thf(zip_derived_cl49_029,plain,
    ! [X2: $i] :
      ( ~ ( '#form8' @ X2 )
      | ~ ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) )
      | ~ ( '#form5' @ X2 ) ),
    inference(renaming,[status(thm)],[zip_derived_cl39,zip_derived_cl43]) ).

thf(zip_derived_cl60_030,plain,
    ! [X2: $i] :
      ( ( '#form11' @ X2 )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X2 )
             => ( (~) @ ( in @ Y0 @ Y0 ) ) ) ) ),
    define([status(thm)]) ).

thf(zip_derived_cl62,plain,
    ! [X2: $i] :
      ( ~ ( '#form11' @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X2 )
               => ( ( in @ Y0 @ Y1 )
                 => ( in @ Y0 @ X2 ) ) ) ) )
      | ~ ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( '#form8' @ X2 ) ),
    inference(renaming,[status(thm)],[zip_derived_cl49,zip_derived_cl60]) ).

thf(zip_derived_cl72,plain,
    ! [X2: $i,X4: $i] :
      ( ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ X2 )
           => ( ( in @ X4 @ Y0 )
             => ( in @ X4 @ X2 ) ) ) )
      | ~ ( '#form8' @ X2 )
      | ~ ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( '#form11' @ X2 ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl62]) ).

thf(zip_derived_cl83,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ( ( in @ X6 @ X2 )
       => ( ( in @ X4 @ X6 )
         => ( in @ X4 @ X2 ) ) )
      | ~ ( '#form11' @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( '#form8' @ X2 ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl72]) ).

thf(zip_derived_cl94,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X6 @ X2 )
      | ( ( in @ X4 @ X6 )
       => ( in @ X4 @ X2 ) )
      | ~ ( '#form8' @ X2 )
      | ~ ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( '#form11' @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl83]) ).

thf(zip_derived_cl102,plain,
    ! [X2: $i,X4: $i,X6: $i] :
      ( ~ ( in @ X4 @ X6 )
      | ( in @ X4 @ X2 )
      | ~ ( '#form11' @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( ??
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
              & ( !!
                @ ^ [Y1: $i] :
                    ( ( in @ Y1 @ ( '#sk3' @ X2 ) )
                   => ( ( in @ Y0 @ Y1 )
                      | ( Y0 = Y1 ) ) ) ) ) )
      | ~ ( '#form8' @ X2 )
      | ~ ( in @ X6 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl94]) ).

thf(zip_derived_cl105,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ~ ( ( in @ X8 @ ( '#sk3' @ X2 ) )
          & ( !!
            @ ^ [Y0: $i] :
                ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
               => ( ( in @ X8 @ Y0 )
                  | ( X8 = Y0 ) ) ) ) )
      | ~ ( in @ X6 @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( '#form11' @ X2 )
      | ( in @ X4 @ X2 )
      | ~ ( in @ X4 @ X6 ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl102]) ).

thf(zip_derived_cl106,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ~ ( in @ X8 @ ( '#sk3' @ X2 ) )
      | ~ ( !!
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ ( '#sk3' @ X2 ) )
             => ( ( in @ X8 @ Y0 )
                | ( X8 = Y0 ) ) ) )
      | ~ ( in @ X4 @ X6 )
      | ( in @ X4 @ X2 )
      | ~ ( '#form11' @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( in @ X6 @ X2 ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl105]) ).

thf(zip_derived_cl107,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ~ ( ( in @ ( '#sk14' @ X2 @ X8 ) @ ( '#sk3' @ X2 ) )
         => ( ( in @ X8 @ ( '#sk14' @ X2 @ X8 ) )
            | ( X8
              = ( '#sk14' @ X2 @ X8 ) ) ) )
      | ~ ( in @ X6 @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( '#form11' @ X2 )
      | ( in @ X4 @ X2 )
      | ~ ( in @ X4 @ X6 )
      | ~ ( in @ X8 @ ( '#sk3' @ X2 ) ) ),
    inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl106]) ).

thf(zip_derived_cl108,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ( in @ ( '#sk14' @ X2 @ X8 ) @ ( '#sk3' @ X2 ) )
      | ~ ( in @ X8 @ ( '#sk3' @ X2 ) )
      | ~ ( in @ X4 @ X6 )
      | ( in @ X4 @ X2 )
      | ~ ( '#form11' @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( in @ X6 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl107]) ).

thf(zip_derived_cl812,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' )
      | ~ ( '#form8' @ '#sk1' )
      | ~ ( transitiveset @ '#sk1' )
      | ~ ( '#form5' @ '#sk1' )
      | ~ ( '#form11' @ '#sk1' )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X1 @ X0 )
      | ( in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl771,zip_derived_cl108]) ).

thf(zip_derived_cl421_031,plain,
    '#form8' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl420,zip_derived_cl88]) ).

thf(zip_derived_cl14_032,plain,
    transitiveset @ '#sk1',
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl578_033,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl129_034,plain,
    '#form11' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl123,zip_derived_cl74]) ).

thf(zip_derived_cl837,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X1 @ X0 )
      | ( in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl812,zip_derived_cl421,zip_derived_cl14,zip_derived_cl578,zip_derived_cl129]) ).

thf(zip_derived_cl1063,plain,
    ! [X0: $i] :
      ( ( in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ) )
      | ~ ( in @ X0 @ '#sk2' )
      | ( in @ X0 @ '#sk1' )
      | ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl22,zip_derived_cl837]) ).

thf(zip_derived_cl1091,plain,
    ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
    | ( in @ '#sk1' @ '#sk1' )
    | ( in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl21,zip_derived_cl1063]) ).

thf(zip_derived_cl113_035,plain,
    ~ ( in @ '#sk1' @ '#sk1' ),
    inference(eq_fact,[status(thm)],[zip_derived_cl26]) ).

thf(zip_derived_cl1099,plain,
    ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
    | ( in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl1091,zip_derived_cl113]) ).

thf(zip_derived_cl769_036,plain,
    ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
    | ( in @ ( '#sk3' @ '#sk1' ) @ ( powerset @ '#sk1' ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl767,zip_derived_cl113,zip_derived_cl578,zip_derived_cl14,zip_derived_cl421]) ).

thf(zip_derived_cl51,plain,
    ! [X2: $i] :
      ( ( !!
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ X2 )
           => ( ( in @ ( '#sk7' @ X2 ) @ Y0 )
              | ( ( '#sk7' @ X2 )
                = Y0 ) ) ) )
      | ~ ( nonempty @ X2 )
      | ~ ( in @ X2 @ ( powerset @ '#sk1' ) ) ),
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl40]) ).

thf(zip_derived_cl63,plain,
    ! [X2: $i,X4: $i] :
      ( ( ( in @ X4 @ X2 )
       => ( ( in @ ( '#sk7' @ X2 ) @ X4 )
          | ( ( '#sk7' @ X2 )
            = X4 ) ) )
      | ~ ( in @ X2 @ ( powerset @ '#sk1' ) )
      | ~ ( nonempty @ X2 ) ),
    inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl51]) ).

thf(zip_derived_cl75,plain,
    ! [X2: $i,X4: $i] :
      ( ~ ( in @ X4 @ X2 )
      | ( in @ ( '#sk7' @ X2 ) @ X4 )
      | ( ( '#sk7' @ X2 )
        = X4 )
      | ~ ( nonempty @ X2 )
      | ~ ( in @ X2 @ ( powerset @ '#sk1' ) ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl63]) ).

thf(zip_derived_cl84,plain,
    ! [X2: $i,X4: $i] :
      ( ( in @ ( '#sk7' @ X2 ) @ X4 )
      | ( ( '#sk7' @ X2 )
        = X4 )
      | ~ ( in @ X2 @ ( powerset @ '#sk1' ) )
      | ~ ( nonempty @ X2 )
      | ~ ( in @ X4 @ X2 ) ),
    inference(lazy_cnf_or,[status(thm)],[zip_derived_cl75]) ).

thf(zip_derived_cl95,plain,
    ! [X2: $i,X4: $i] :
      ( ( in @ ( '#sk7' @ X2 ) @ X4 )
      | ( ( '#sk7' @ X2 )
        = X4 )
      | ~ ( in @ X2 @ ( powerset @ '#sk1' ) )
      | ~ ( nonempty @ X2 )
      | ~ ( in @ X4 @ X2 ) ),
    inference('simplify nested equalities',[status(thm)],[zip_derived_cl84]) ).

thf(zip_derived_cl772,plain,
    ! [X0: $i] :
      ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
      | ~ ( in @ X0 @ ( '#sk3' @ '#sk1' ) )
      | ~ ( nonempty @ ( '#sk3' @ '#sk1' ) )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
        = X0 )
      | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl769,zip_derived_cl95]) ).

thf(zip_derived_cl531_037,plain,
    ( ~ ( '#form5' @ '#sk1' )
    | ( nonempty @ ( '#sk3' @ '#sk1' ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl529,zip_derived_cl113,zip_derived_cl14,zip_derived_cl421,zip_derived_cl129]) ).

thf(zip_derived_cl578_038,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl579,plain,
    nonempty @ ( '#sk3' @ '#sk1' ),
    inference(demod,[status(thm)],[zip_derived_cl531,zip_derived_cl578]) ).

thf(zip_derived_cl796,plain,
    ! [X0: $i] :
      ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
      | ~ ( in @ X0 @ ( '#sk3' @ '#sk1' ) )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
        = X0 )
      | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl772,zip_derived_cl579]) ).

thf(zip_derived_cl1105,plain,
    ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
    | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) )
    | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
      = ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) )
    | ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl1099,zip_derived_cl796]) ).

thf(zip_derived_cl1134,plain,
    ( ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
      = ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) )
    | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) )
    | ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' ) ),
    inference(simplify,[status(thm)],[zip_derived_cl1105]) ).

thf(zip_derived_cl109,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ~ ( ( in @ X8 @ ( '#sk14' @ X2 @ X8 ) )
          | ( X8
            = ( '#sk14' @ X2 @ X8 ) ) )
      | ~ ( in @ X8 @ ( '#sk3' @ X2 ) )
      | ~ ( in @ X4 @ X6 )
      | ( in @ X4 @ X2 )
      | ~ ( '#form11' @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( in @ X6 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl107]) ).

thf(zip_derived_cl110,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ~ ( in @ X8 @ ( '#sk14' @ X2 @ X8 ) )
      | ~ ( in @ X6 @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( '#form11' @ X2 )
      | ( in @ X4 @ X2 )
      | ~ ( in @ X4 @ X6 )
      | ~ ( in @ X8 @ ( '#sk3' @ X2 ) ) ),
    inference(lazy_cnf_or,[status(thm)],[zip_derived_cl109]) ).

thf(zip_derived_cl1142,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
        = ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) )
      | ~ ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) )
      | ~ ( in @ X1 @ X0 )
      | ( in @ X1 @ '#sk1' )
      | ~ ( '#form11' @ '#sk1' )
      | ~ ( '#form5' @ '#sk1' )
      | ~ ( transitiveset @ '#sk1' )
      | ~ ( '#form8' @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl1134,zip_derived_cl110]) ).

thf(zip_derived_cl129_039,plain,
    '#form11' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl123,zip_derived_cl74]) ).

thf(zip_derived_cl578_040,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl14_041,plain,
    transitiveset @ '#sk1',
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl421_042,plain,
    '#form8' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl420,zip_derived_cl88]) ).

thf(zip_derived_cl1165,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
        = ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) )
      | ~ ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) )
      | ~ ( in @ X1 @ X0 )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' ) ),
    inference(demod,[status(thm)],[zip_derived_cl1142,zip_derived_cl129,zip_derived_cl578,zip_derived_cl14,zip_derived_cl421]) ).

thf(zip_derived_cl771_043,plain,
    ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
    | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl769,zip_derived_cl580]) ).

thf(zip_derived_cl111,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ( X8
       != ( '#sk14' @ X2 @ X8 ) )
      | ~ ( in @ X6 @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( '#form11' @ X2 )
      | ( in @ X4 @ X2 )
      | ~ ( in @ X4 @ X6 )
      | ~ ( in @ X8 @ ( '#sk3' @ X2 ) ) ),
    inference(lazy_cnf_or,[status(thm)],[zip_derived_cl109]) ).

thf(zip_derived_cl112,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ( X8
       != ( '#sk14' @ X2 @ X8 ) )
      | ~ ( in @ X6 @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( '#form11' @ X2 )
      | ( in @ X4 @ X2 )
      | ~ ( in @ X4 @ X6 )
      | ~ ( in @ X8 @ ( '#sk3' @ X2 ) ) ),
    inference('simplify nested equalities',[status(thm)],[zip_derived_cl111]) ).

thf(zip_derived_cl811,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
      | ~ ( in @ X1 @ X0 )
      | ( in @ X1 @ '#sk1' )
      | ~ ( '#form11' @ '#sk1' )
      | ~ ( '#form5' @ '#sk1' )
      | ~ ( transitiveset @ '#sk1' )
      | ~ ( '#form8' @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
       != ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl771,zip_derived_cl112]) ).

thf(zip_derived_cl129_044,plain,
    '#form11' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl123,zip_derived_cl74]) ).

thf(zip_derived_cl578_045,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl14_046,plain,
    transitiveset @ '#sk1',
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl421_047,plain,
    '#form8' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl420,zip_derived_cl88]) ).

thf(zip_derived_cl836,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
      | ~ ( in @ X1 @ X0 )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
       != ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl811,zip_derived_cl129,zip_derived_cl578,zip_derived_cl14,zip_derived_cl421]) ).

thf(zip_derived_cl1406,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ '#sk1' )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X1 @ X0 )
      | ~ ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) )
      | ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' ) ),
    inference(clc,[status(thm)],[zip_derived_cl1165,zip_derived_cl836]) ).

thf(zip_derived_cl771_048,plain,
    ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
    | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl769,zip_derived_cl580]) ).

thf(zip_derived_cl1407,plain,
    ! [X0: $i,X1: $i] :
      ( ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' )
      | ~ ( in @ X1 @ X0 )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' ) ),
    inference(clc,[status(thm)],[zip_derived_cl1406,zip_derived_cl771]) ).

thf(zip_derived_cl1430,plain,
    ( ~ ( in @ '#sk2' @ '#sk1' )
    | ( in @ '#sk1' @ '#sk1' )
    | ( in @ ( '#sk4' @ '#sk1' ) @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl21,zip_derived_cl1407]) ).

thf(zip_derived_cl22_049,plain,
    in @ '#sk2' @ '#sk1',
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl15]) ).

thf(zip_derived_cl113_050,plain,
    ~ ( in @ '#sk1' @ '#sk1' ),
    inference(eq_fact,[status(thm)],[zip_derived_cl26]) ).

thf(zip_derived_cl1473,plain,
    in @ ( '#sk4' @ '#sk1' ) @ '#sk1',
    inference(demod,[status(thm)],[zip_derived_cl1430,zip_derived_cl22,zip_derived_cl113]) ).

thf(zip_derived_cl26_051,plain,
    ! [X2: $i] :
      ( ~ ( in @ X2 @ '#sk1' )
      | ~ ( in @ X2 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl18]) ).

thf(zip_derived_cl1496,plain,
    ~ ( in @ ( '#sk4' @ '#sk1' ) @ ( '#sk4' @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl1473,zip_derived_cl26]) ).

thf(zip_derived_cl578_052,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl14_053,plain,
    transitiveset @ '#sk1',
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl421_054,plain,
    '#form8' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl420,zip_derived_cl88]) ).

thf(zip_derived_cl1720,plain,
    in @ ( '#sk3' @ '#sk1' ) @ ( powerset @ '#sk1' ),
    inference(demod,[status(thm)],[zip_derived_cl1718,zip_derived_cl113,zip_derived_cl1496,zip_derived_cl578,zip_derived_cl14,zip_derived_cl421]) ).

thf(zip_derived_cl1722,plain,
    in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ),
    inference(demod,[status(thm)],[zip_derived_cl580,zip_derived_cl1720]) ).

thf(zip_derived_cl108_055,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ( in @ ( '#sk14' @ X2 @ X8 ) @ ( '#sk3' @ X2 ) )
      | ~ ( in @ X8 @ ( '#sk3' @ X2 ) )
      | ~ ( in @ X4 @ X6 )
      | ( in @ X4 @ X2 )
      | ~ ( '#form11' @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( in @ X6 @ X2 ) ),
    inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl107]) ).

thf(zip_derived_cl1767,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ '#sk1' )
      | ~ ( '#form8' @ '#sk1' )
      | ~ ( transitiveset @ '#sk1' )
      | ~ ( '#form5' @ '#sk1' )
      | ~ ( '#form11' @ '#sk1' )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X1 @ X0 )
      | ( in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl1722,zip_derived_cl108]) ).

thf(zip_derived_cl421_056,plain,
    '#form8' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl420,zip_derived_cl88]) ).

thf(zip_derived_cl14_057,plain,
    transitiveset @ '#sk1',
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl578_058,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl129_059,plain,
    '#form11' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl123,zip_derived_cl74]) ).

thf(zip_derived_cl1799,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ '#sk1' )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X1 @ X0 )
      | ( in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl1767,zip_derived_cl421,zip_derived_cl14,zip_derived_cl578,zip_derived_cl129]) ).

thf(zip_derived_cl2026,plain,
    ! [X0: $i] :
      ( ( in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ) )
      | ~ ( in @ X0 @ '#sk2' )
      | ( in @ X0 @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl22,zip_derived_cl1799]) ).

thf(zip_derived_cl2059,plain,
    ( ( in @ '#sk1' @ '#sk1' )
    | ( in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl21,zip_derived_cl2026]) ).

thf(zip_derived_cl113_060,plain,
    ~ ( in @ '#sk1' @ '#sk1' ),
    inference(eq_fact,[status(thm)],[zip_derived_cl26]) ).

thf(zip_derived_cl2069,plain,
    in @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) @ ( '#sk3' @ '#sk1' ),
    inference(demod,[status(thm)],[zip_derived_cl2059,zip_derived_cl113]) ).

thf(zip_derived_cl1720_061,plain,
    in @ ( '#sk3' @ '#sk1' ) @ ( powerset @ '#sk1' ),
    inference(demod,[status(thm)],[zip_derived_cl1718,zip_derived_cl113,zip_derived_cl1496,zip_derived_cl578,zip_derived_cl14,zip_derived_cl421]) ).

thf(zip_derived_cl95_062,plain,
    ! [X2: $i,X4: $i] :
      ( ( in @ ( '#sk7' @ X2 ) @ X4 )
      | ( ( '#sk7' @ X2 )
        = X4 )
      | ~ ( in @ X2 @ ( powerset @ '#sk1' ) )
      | ~ ( nonempty @ X2 )
      | ~ ( in @ X4 @ X2 ) ),
    inference('simplify nested equalities',[status(thm)],[zip_derived_cl84]) ).

thf(zip_derived_cl1723,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ ( '#sk3' @ '#sk1' ) )
      | ~ ( nonempty @ ( '#sk3' @ '#sk1' ) )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
        = X0 )
      | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl1720,zip_derived_cl95]) ).

thf(zip_derived_cl579_063,plain,
    nonempty @ ( '#sk3' @ '#sk1' ),
    inference(demod,[status(thm)],[zip_derived_cl531,zip_derived_cl578]) ).

thf(zip_derived_cl1750,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ ( '#sk3' @ '#sk1' ) )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
        = X0 )
      | ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1723,zip_derived_cl579]) ).

thf(zip_derived_cl2090,plain,
    ( ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) )
    | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
      = ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl2069,zip_derived_cl1750]) ).

thf(zip_derived_cl110_064,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ~ ( in @ X8 @ ( '#sk14' @ X2 @ X8 ) )
      | ~ ( in @ X6 @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( '#form11' @ X2 )
      | ( in @ X4 @ X2 )
      | ~ ( in @ X4 @ X6 )
      | ~ ( in @ X8 @ ( '#sk3' @ X2 ) ) ),
    inference(lazy_cnf_or,[status(thm)],[zip_derived_cl109]) ).

thf(zip_derived_cl2187,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
        = ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) )
      | ~ ( in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ) )
      | ~ ( in @ X1 @ X0 )
      | ( in @ X1 @ '#sk1' )
      | ~ ( '#form11' @ '#sk1' )
      | ~ ( '#form5' @ '#sk1' )
      | ~ ( transitiveset @ '#sk1' )
      | ~ ( '#form8' @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl2090,zip_derived_cl110]) ).

thf(zip_derived_cl1722_065,plain,
    in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ),
    inference(demod,[status(thm)],[zip_derived_cl580,zip_derived_cl1720]) ).

thf(zip_derived_cl129_066,plain,
    '#form11' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl123,zip_derived_cl74]) ).

thf(zip_derived_cl578_067,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl14_068,plain,
    transitiveset @ '#sk1',
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl421_069,plain,
    '#form8' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl420,zip_derived_cl88]) ).

thf(zip_derived_cl2214,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
        = ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) )
      | ~ ( in @ X1 @ X0 )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' ) ),
    inference(demod,[status(thm)],[zip_derived_cl2187,zip_derived_cl1722,zip_derived_cl129,zip_derived_cl578,zip_derived_cl14,zip_derived_cl421]) ).

thf(zip_derived_cl1722_070,plain,
    in @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) @ ( '#sk3' @ '#sk1' ),
    inference(demod,[status(thm)],[zip_derived_cl580,zip_derived_cl1720]) ).

thf(zip_derived_cl112_071,plain,
    ! [X2: $i,X4: $i,X6: $i,X8: $i] :
      ( ( X8
       != ( '#sk14' @ X2 @ X8 ) )
      | ~ ( in @ X6 @ X2 )
      | ~ ( '#form8' @ X2 )
      | ~ ( transitiveset @ X2 )
      | ~ ( '#form5' @ X2 )
      | ~ ( '#form11' @ X2 )
      | ( in @ X4 @ X2 )
      | ~ ( in @ X4 @ X6 )
      | ~ ( in @ X8 @ ( '#sk3' @ X2 ) ) ),
    inference('simplify nested equalities',[status(thm)],[zip_derived_cl111]) ).

thf(zip_derived_cl1766,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ X0 )
      | ( in @ X1 @ '#sk1' )
      | ~ ( '#form11' @ '#sk1' )
      | ~ ( '#form5' @ '#sk1' )
      | ~ ( transitiveset @ '#sk1' )
      | ~ ( '#form8' @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
       != ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl1722,zip_derived_cl112]) ).

thf(zip_derived_cl129_072,plain,
    '#form11' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl123,zip_derived_cl74]) ).

thf(zip_derived_cl578_073,plain,
    '#form5' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl577,zip_derived_cl100]) ).

thf(zip_derived_cl14_074,plain,
    transitiveset @ '#sk1',
    inference(lazy_cnf_and,[status(thm)],[zip_derived_cl7]) ).

thf(zip_derived_cl421_075,plain,
    '#form8' @ '#sk1',
    inference(clc,[status(thm)],[zip_derived_cl420,zip_derived_cl88]) ).

thf(zip_derived_cl1798,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X1 @ X0 )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X0 @ '#sk1' )
      | ( ( '#sk7' @ ( '#sk3' @ '#sk1' ) )
       != ( '#sk14' @ '#sk1' @ ( '#sk7' @ ( '#sk3' @ '#sk1' ) ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl1766,zip_derived_cl129,zip_derived_cl578,zip_derived_cl14,zip_derived_cl421]) ).

thf(zip_derived_cl2221,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( in @ X0 @ '#sk1' )
      | ( in @ X1 @ '#sk1' )
      | ~ ( in @ X1 @ X0 ) ),
    inference(clc,[status(thm)],[zip_derived_cl2214,zip_derived_cl1798]) ).

thf(zip_derived_cl2231,plain,
    ! [X0: $i] :
      ( ~ ( in @ X0 @ '#sk2' )
      | ( in @ X0 @ '#sk1' ) ),
    inference('sup-',[status(thm)],[zip_derived_cl22,zip_derived_cl2221]) ).

thf(zip_derived_cl2265,plain,
    in @ '#sk1' @ '#sk1',
    inference('sup-',[status(thm)],[zip_derived_cl21,zip_derived_cl2231]) ).

thf(zip_derived_cl2306,plain,
    $false,
    inference(demod,[status(thm)],[zip_derived_cl113,zip_derived_cl2265]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : SEU823^2 : TPTP v8.1.2. Released v3.7.0.
% 0.00/0.14  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.2hSuulKPPN true
% 0.14/0.35  % Computer : n015.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % WCLimit  : 300
% 0.14/0.36  % DateTime : Wed Aug 23 18:11:05 EDT 2023
% 0.14/0.36  % CPUTime  : 
% 0.14/0.36  % Running portfolio for 300 s
% 0.14/0.36  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.36  % Number of cores: 8
% 0.14/0.36  % Python version: Python 3.6.8
% 0.14/0.36  % Running in HO mode
% 0.21/0.67  % Total configuration time : 828
% 0.21/0.67  % Estimated wc time : 1656
% 0.21/0.67  % Estimated cpu time (8 cpus) : 207.0
% 0.21/0.75  % /export/starexec/sandbox/solver/bin/lams/40_c.s.sh running for 80s
% 0.21/0.75  % /export/starexec/sandbox/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.21/0.77  % /export/starexec/sandbox/solver/bin/lams/15_e_short1.sh running for 30s
% 0.21/0.77  % /export/starexec/sandbox/solver/bin/lams/40_c_ic.sh running for 80s
% 0.21/0.77  % /export/starexec/sandbox/solver/bin/lams/40_noforms.sh running for 90s
% 0.21/0.77  % /export/starexec/sandbox/solver/bin/lams/40_b.comb.sh running for 70s
% 0.21/0.78  % /export/starexec/sandbox/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 0.21/0.78  % /export/starexec/sandbox/solver/bin/lams/30_sp5.sh running for 60s
% 6.68/1.48  % Solved by lams/20_acsne_simpl.sh.
% 6.68/1.48  % done 382 iterations in 0.602s
% 6.68/1.48  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 6.68/1.48  % SZS output start Refutation
% See solution above
% 6.68/1.48  
% 6.68/1.48  
% 6.68/1.48  % Terminating...
% 7.39/1.58  % Runner terminated.
% 7.39/1.60  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------