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Zipperpin---2.1.9999.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SEU501^1 : TPTP v9.2.0. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.kFrqr57HAn true

% Computer : n019.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 Oct  2 04:54:48 PM UTC 2025

% Result   : Theorem 1.16s 1.13s
% Output   : Refutation 1.16s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.24  % Problem  : SEU501^1 : TPTP v9.2.0. Released v3.7.0.
% 0.05/0.25  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.kFrqr57HAn true
% 0.09/0.51  % Computer : n019.cluster.edu
% 0.09/0.51  % Model    : x86_64 x86_64
% 0.09/0.51  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.51  % Memory   : 8042.1875MB
% 0.09/0.51  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.51  % CPULimit : 300
% 0.09/0.51  % WCLimit  : 300
% 0.09/0.51  % DateTime : Wed Oct  1 16:08:53 EDT 2025
% 0.09/0.51  % CPUTime  : 
% 0.09/0.51  % Running portfolio for 300 s
% 0.09/0.51  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.51  % Number of cores: 8
% 0.09/0.52  % Python version: Python 3.6.8
% 0.14/0.53  % Running in HO mode
% 0.15/0.86  % Total configuration time : 828
% 0.15/0.86  % Estimated wc time : 1656
% 0.15/0.86  % Estimated cpu time (8 cpus) : 207.0
% 0.15/0.96  % /export/starexec/sandbox2/solver/bin/lams/40_c.s.sh running for 80s
% 1.15/1.08  % /export/starexec/sandbox2/solver/bin/lams/35_full_unif4.sh running for 80s
% 1.15/1.10  % /export/starexec/sandbox2/solver/bin/lams/40_c_ic.sh running for 80s
% 1.16/1.13  % Solved by lams/40_c.s.sh.
% 1.16/1.13  % done 5 iterations in 0.064s
% 1.16/1.13  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.16/1.13  % SZS output start Refutation
% 1.16/1.13  thf(setadjoinAx_type, type, setadjoinAx: $o).
% 1.16/1.13  thf(setunionAx_type, type, setunionAx: $o).
% 1.16/1.13  thf(omegaSAx_type, type, omegaSAx: $o).
% 1.16/1.13  thf(wellorderingAx_type, type, wellorderingAx: $o).
% 1.16/1.13  thf(in_type, type, in: $i > $i > $o).
% 1.16/1.13  thf(sk__72_type, type, sk__72: $i).
% 1.16/1.13  thf(zip_tseitin_3_type, type, zip_tseitin_3: $i > $i > $i > ($i > $i > $o) > $o).
% 1.16/1.13  thf(dsetconstrEL_type, type, dsetconstrEL: $o).
% 1.16/1.13  thf(powersetAx_type, type, powersetAx: $o).
% 1.16/1.13  thf(zip_tseitin_0_type, type, zip_tseitin_0: $i > $i > $i > $o).
% 1.16/1.13  thf(zip_tseitin_2_type, type, zip_tseitin_2: $i > $i > $i > $o).
% 1.16/1.13  thf(zip_tseitin_1_type, type, zip_tseitin_1: $i > $i > $i > $o).
% 1.16/1.13  thf(emptyset_type, type, emptyset: $i).
% 1.16/1.13  thf(descr_type, type, descr: ($i > $o) > $i).
% 1.16/1.13  thf(exuE1_type, type, exuE1: $o).
% 1.16/1.13  thf(prop2set_type, type, prop2set: $o > $i).
% 1.16/1.13  thf(omega0Ax_type, type, omega0Ax: $o).
% 1.16/1.13  thf(prop2setE_type, type, prop2setE: $o).
% 1.16/1.13  thf(setextAx_type, type, setextAx: $o).
% 1.16/1.13  thf(setunion_type, type, setunion: $i > $i).
% 1.16/1.13  thf(descrp_type, type, descrp: $o).
% 1.16/1.13  thf(foundationAx_type, type, foundationAx: $o).
% 1.16/1.13  thf(emptysetAx_type, type, emptysetAx: $o).
% 1.16/1.13  thf(dsetconstr_type, type, dsetconstr: $i > ($i > $o) > $i).
% 1.16/1.13  thf(dsetconstrER_type, type, dsetconstrER: $o).
% 1.16/1.13  thf(exu_type, type, exu: ($i > $o) > $o).
% 1.16/1.13  thf(omega_type, type, omega: $i).
% 1.16/1.13  thf(powerset_type, type, powerset: $i > $i).
% 1.16/1.13  thf(dsetconstrI_type, type, dsetconstrI: $o).
% 1.16/1.13  thf(setadjoin_type, type, setadjoin: $i > $i > $i).
% 1.16/1.13  thf(replAx_type, type, replAx: $o).
% 1.16/1.13  thf(omegaIndAx_type, type, omegaIndAx: $o).
% 1.16/1.13  thf(prop2setE, axiom, prop2setE =
% 1.16/1.13    (![Xphi:$o,Xx:$i]: ( ( in @ Xx @ ( prop2set @ Xphi ) ) => ( Xphi ) ))).
% 1.16/1.13  thf('0', plain,
% 1.16/1.13      (( prop2setE ) =
% 1.16/1.13       ( ![X4:$o,X6:$i]: ( ( in @ X6 @ ( prop2set @ X4 ) ) => ( X4 ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(prop2set, axiom,(( prop2set  ) =
% 1.16/1.13    (^[Xphi:$o]:
% 1.16/1.13     ( dsetconstr @ ( powerset @ emptyset ) @ ( ^[Xx:$i]: ( Xphi ) ) )))).
% 1.16/1.13  thf('1', plain,
% 1.16/1.13      (( prop2set ) =
% 1.16/1.13       ( ^[Xphi:$o]:
% 1.16/1.13         ( dsetconstr @ ( powerset @ emptyset ) @ ( ^[Xx:$i]: ( Xphi ) ) ) )),
% 1.16/1.13      inference('simplify_rw_rule', [status(thm)], [prop2set])).
% 1.16/1.13  thf('2', plain,
% 1.16/1.13      (( prop2set ) =
% 1.16/1.13       ( ^[V_1:$o]:
% 1.16/1.13         ( dsetconstr @ ( powerset @ emptyset ) @ ( ^[V_2:$i]: ( V_1 ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(exuE1, axiom, exuE1 =
% 1.16/1.13    (![Xphi:( $i > $o )]:
% 1.16/1.13     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) =>
% 1.16/1.13       ( ?[Xx:$i]:
% 1.16/1.13         ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & 
% 1.16/1.13           ( Xphi @ Xx ) ) ) ))).
% 1.16/1.13  thf('3', plain,
% 1.16/1.13      (( exuE1 ) =
% 1.16/1.13       ( ![X4:( $i > $o )]:
% 1.16/1.13         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) =>
% 1.16/1.13           ( ?[X6:$i]:
% 1.16/1.13             ( ( ![X8:$i]: ( ( X4 @ X8 ) => ( ( X6 ) = ( X8 ) ) ) ) & 
% 1.16/1.13               ( X4 @ X6 ) ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(dsetconstrER, axiom, dsetconstrER =
% 1.16/1.13    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.16/1.13     ( ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) =>
% 1.16/1.13       ( Xphi @ Xx ) ))).
% 1.16/1.13  thf('4', plain,
% 1.16/1.13      (( dsetconstrER ) =
% 1.16/1.13       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.16/1.13         ( ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) =>
% 1.16/1.13           ( X6 @ X8 ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(dsetconstrEL, axiom, dsetconstrEL =
% 1.16/1.13    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.16/1.13     ( ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) =>
% 1.16/1.13       ( in @ Xx @ A ) ))).
% 1.16/1.13  thf('5', plain,
% 1.16/1.13      (( dsetconstrEL ) =
% 1.16/1.13       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.16/1.13         ( ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) =>
% 1.16/1.13           ( in @ X8 @ X4 ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(dsetconstrI, axiom, dsetconstrI =
% 1.16/1.13    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.16/1.13     ( ( in @ Xx @ A ) =>
% 1.16/1.13       ( ( Xphi @ Xx ) =>
% 1.16/1.13         ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) ) ))).
% 1.16/1.13  thf('6', plain,
% 1.16/1.13      (( dsetconstrI ) =
% 1.16/1.13       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.16/1.13         ( ( in @ X8 @ X4 ) =>
% 1.16/1.13           ( ( X6 @ X8 ) =>
% 1.16/1.13             ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(descrp, axiom, descrp =
% 1.16/1.13    (![Xphi:( $i > $o )]:
% 1.16/1.13     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) =>
% 1.16/1.13       ( Xphi @ ( descr @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) ) ))).
% 1.16/1.13  thf('7', plain,
% 1.16/1.13      (( descrp ) =
% 1.16/1.13       ( ![X4:( $i > $o )]:
% 1.16/1.13         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) =>
% 1.16/1.13           ( X4 @ ( descr @ ( ^[V_2:$i]: ( X4 @ V_2 ) ) ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(wellorderingAx, axiom, wellorderingAx =
% 1.16/1.13    (![A:$i]:
% 1.16/1.13     ( ?[B:$i]:
% 1.16/1.13       ( ( ![C:$i]:
% 1.16/1.13           ( ( ( ![Xx:$i]: ( ( in @ Xx @ C ) => ( in @ Xx @ A ) ) ) & 
% 1.16/1.13               ( ?[Xx:$i]: ( in @ Xx @ C ) ) ) =>
% 1.16/1.13             ( ?[D:$i,Xx:$i]:
% 1.16/1.13               ( ( ![E:$i]:
% 1.16/1.13                   ( ( in @ E @ B ) =>
% 1.16/1.13                     ( ( ![Xy:$i]: ( ( in @ Xy @ E ) => ( in @ Xy @ D ) ) ) | 
% 1.16/1.13                       ( in @ Xx @ E ) ) ) ) & 
% 1.16/1.13                 ( ~( ?[Xy:$i]: ( ( in @ Xy @ C ) & ( in @ Xy @ D ) ) ) ) & 
% 1.16/1.13                 ( in @ Xx @ C ) & ( in @ D @ B ) ) ) ) ) & 
% 1.16/1.13         ( ![C:$i,D:$i]:
% 1.16/1.13           ( ( ( in @ C @ B ) & ( in @ D @ B ) ) =>
% 1.16/1.13             ( ( ![Xx:$i]: ( ( in @ Xx @ C ) => ( in @ Xx @ D ) ) ) | 
% 1.16/1.13               ( ![Xx:$i]: ( ( in @ Xx @ D ) => ( in @ Xx @ C ) ) ) ) ) ) & 
% 1.16/1.13         ( ![Xx:$i,Xy:$i]:
% 1.16/1.13           ( ( ( in @ Xx @ A ) & ( in @ Xy @ A ) ) =>
% 1.16/1.13             ( ( ![C:$i]:
% 1.16/1.13                 ( ( in @ C @ B ) => ( ( in @ Xx @ C ) <=> ( in @ Xy @ C ) ) ) ) =>
% 1.16/1.13               ( ( Xx ) = ( Xy ) ) ) ) ) & 
% 1.16/1.13         ( ![C:$i]:
% 1.16/1.13           ( ( in @ C @ B ) =>
% 1.16/1.13             ( ![Xx:$i]: ( ( in @ Xx @ C ) => ( in @ Xx @ A ) ) ) ) ) ) ))).
% 1.16/1.13  thf('8', plain,
% 1.16/1.13      (( wellorderingAx ) =
% 1.16/1.13       ( ![X4:$i]:
% 1.16/1.13         ( ?[X6:$i]:
% 1.16/1.13           ( ( ![X8:$i]:
% 1.16/1.13               ( ( ( ![X10:$i]: ( ( in @ X10 @ X8 ) => ( in @ X10 @ X4 ) ) ) & 
% 1.16/1.13                   ( ?[X12:$i]: ( in @ X12 @ X8 ) ) ) =>
% 1.16/1.13                 ( ?[X14:$i,X16:$i]:
% 1.16/1.13                   ( ( ![X18:$i]:
% 1.16/1.13                       ( ( in @ X18 @ X6 ) =>
% 1.16/1.13                         ( ( ![X20:$i]:
% 1.16/1.13                             ( ( in @ X20 @ X18 ) => ( in @ X20 @ X14 ) ) ) | 
% 1.16/1.13                           ( in @ X16 @ X18 ) ) ) ) & 
% 1.16/1.13                     ( ~( ?[X22:$i]: ( ( in @ X22 @ X8 ) & ( in @ X22 @ X14 ) ) ) ) & 
% 1.16/1.13                     ( in @ X16 @ X8 ) & ( in @ X14 @ X6 ) ) ) ) ) & 
% 1.16/1.13             ( ![X24:$i,X26:$i]:
% 1.16/1.13               ( ( ( in @ X24 @ X6 ) & ( in @ X26 @ X6 ) ) =>
% 1.16/1.13                 ( ( ![X28:$i]: ( ( in @ X28 @ X24 ) => ( in @ X28 @ X26 ) ) ) | 
% 1.16/1.13                   ( ![X30:$i]: ( ( in @ X30 @ X26 ) => ( in @ X30 @ X24 ) ) ) ) ) ) & 
% 1.16/1.13             ( ![X32:$i,X34:$i]:
% 1.16/1.13               ( ( ( in @ X32 @ X4 ) & ( in @ X34 @ X4 ) ) =>
% 1.16/1.13                 ( ( ![X36:$i]:
% 1.16/1.13                     ( ( in @ X36 @ X6 ) =>
% 1.16/1.13                       ( ( in @ X32 @ X36 ) <=> ( in @ X34 @ X36 ) ) ) ) =>
% 1.16/1.13                   ( ( X32 ) = ( X34 ) ) ) ) ) & 
% 1.16/1.13             ( ![X38:$i]:
% 1.16/1.13               ( ( in @ X38 @ X6 ) =>
% 1.16/1.13                 ( ![X40:$i]: ( ( in @ X40 @ X38 ) => ( in @ X40 @ X4 ) ) ) ) ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(foundationAx, axiom, foundationAx =
% 1.16/1.13    (![A:$i]:
% 1.16/1.13     ( ( ?[Xx:$i]: ( in @ Xx @ A ) ) =>
% 1.16/1.13       ( ?[B:$i]:
% 1.16/1.13         ( ( ~( ?[Xx:$i]: ( ( in @ Xx @ A ) & ( in @ Xx @ B ) ) ) ) & 
% 1.16/1.13           ( in @ B @ A ) ) ) ))).
% 1.16/1.13  thf('9', plain,
% 1.16/1.13      (( foundationAx ) =
% 1.16/1.13       ( ![X4:$i]:
% 1.16/1.13         ( ( ?[X6:$i]: ( in @ X6 @ X4 ) ) =>
% 1.16/1.13           ( ?[X8:$i]:
% 1.16/1.13             ( ( ~( ?[X10:$i]: ( ( in @ X10 @ X4 ) & ( in @ X10 @ X8 ) ) ) ) & 
% 1.16/1.13               ( in @ X8 @ X4 ) ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(replAx, axiom, replAx =
% 1.16/1.13    (![Xphi:( $i > $i > $o ),A:$i]:
% 1.16/1.13     ( ( ![Xx:$i]:
% 1.16/1.13         ( ( in @ Xx @ A ) => ( exu @ ( ^[Xy:$i]: ( Xphi @ Xx @ Xy ) ) ) ) ) =>
% 1.16/1.13       ( ?[B:$i]:
% 1.16/1.13         ( ![Xx:$i]:
% 1.16/1.13           ( ( in @ Xx @ B ) <=>
% 1.16/1.13             ( ?[Xy:$i]: ( ( Xphi @ Xy @ Xx ) & ( in @ Xy @ A ) ) ) ) ) ) ))).
% 1.16/1.13  thf('10', plain,
% 1.16/1.13      (( replAx ) =
% 1.16/1.13       ( ![X4:( $i > $i > $o ),X6:$i]:
% 1.16/1.13         ( ( ![X8:$i]:
% 1.16/1.13             ( ( in @ X8 @ X6 ) => ( exu @ ( ^[V_1:$i]: ( X4 @ X8 @ V_1 ) ) ) ) ) =>
% 1.16/1.13           ( ?[X10:$i]:
% 1.16/1.13             ( ![X12:$i]:
% 1.16/1.13               ( ( in @ X12 @ X10 ) <=>
% 1.16/1.13                 ( ?[X14:$i]: ( ( X4 @ X14 @ X12 ) & ( in @ X14 @ X6 ) ) ) ) ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(omegaIndAx, axiom, omegaIndAx =
% 1.16/1.13    (![A:$i]:
% 1.16/1.13     ( ( ( in @ emptyset @ A ) & 
% 1.16/1.13         ( ![Xx:$i]:
% 1.16/1.13           ( ( ( in @ Xx @ omega ) & ( in @ Xx @ A ) ) =>
% 1.16/1.13             ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) ) ) =>
% 1.16/1.13       ( ![Xx:$i]: ( ( in @ Xx @ omega ) => ( in @ Xx @ A ) ) ) ))).
% 1.16/1.13  thf('11', plain,
% 1.16/1.13      (( omegaIndAx ) =
% 1.16/1.13       ( ![X4:$i]:
% 1.16/1.13         ( ( ( in @ emptyset @ X4 ) & 
% 1.16/1.13             ( ![X6:$i]:
% 1.16/1.13               ( ( ( in @ X6 @ omega ) & ( in @ X6 @ X4 ) ) =>
% 1.16/1.13                 ( in @ ( setadjoin @ X6 @ X6 ) @ X4 ) ) ) ) =>
% 1.16/1.13           ( ![X8:$i]: ( ( in @ X8 @ omega ) => ( in @ X8 @ X4 ) ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(omegaSAx, axiom, omegaSAx =
% 1.16/1.13    (![Xx:$i]:
% 1.16/1.13     ( ( in @ Xx @ omega ) => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ))).
% 1.16/1.13  thf('12', plain,
% 1.16/1.13      (( omegaSAx ) =
% 1.16/1.13       ( ![X4:$i]:
% 1.16/1.13         ( ( in @ X4 @ omega ) => ( in @ ( setadjoin @ X4 @ X4 ) @ omega ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(omega0Ax, axiom,(( omega0Ax  ) = (in @ emptyset @ omega))).
% 1.16/1.13  thf('13', plain, (( omega0Ax ) = ( in @ emptyset @ omega )),
% 1.16/1.13      inference('simplify_rw_rule', [status(thm)], [omega0Ax])).
% 1.16/1.13  thf('14', plain, (( omega0Ax ) = ( in @ emptyset @ omega )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(setunionAx, axiom, setunionAx =
% 1.16/1.13    (![A:$i,Xx:$i]:
% 1.16/1.13     ( ( in @ Xx @ ( setunion @ A ) ) <=>
% 1.16/1.13       ( ?[B:$i]: ( ( in @ B @ A ) & ( in @ Xx @ B ) ) ) ))).
% 1.16/1.13  thf('15', plain,
% 1.16/1.13      (( setunionAx ) =
% 1.16/1.13       ( ![X4:$i,X6:$i]:
% 1.16/1.13         ( ( in @ X6 @ ( setunion @ X4 ) ) <=>
% 1.16/1.13           ( ?[X8:$i]: ( ( in @ X8 @ X4 ) & ( in @ X6 @ X8 ) ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(powersetAx, axiom, powersetAx =
% 1.16/1.13    (![A:$i,B:$i]:
% 1.16/1.13     ( ( in @ B @ ( powerset @ A ) ) <=>
% 1.16/1.13       ( ![Xx:$i]: ( ( in @ Xx @ B ) => ( in @ Xx @ A ) ) ) ))).
% 1.16/1.13  thf('16', plain,
% 1.16/1.13      (( powersetAx ) =
% 1.16/1.13       ( ![X4:$i,X6:$i]:
% 1.16/1.13         ( ( in @ X6 @ ( powerset @ X4 ) ) <=>
% 1.16/1.13           ( ![X8:$i]: ( ( in @ X8 @ X6 ) => ( in @ X8 @ X4 ) ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(setadjoinAx, axiom, setadjoinAx =
% 1.16/1.13    (![Xx:$i,A:$i,Xy:$i]:
% 1.16/1.13     ( ( in @ Xy @ ( setadjoin @ Xx @ A ) ) <=>
% 1.16/1.13       ( ( ( Xy ) = ( Xx ) ) | ( in @ Xy @ A ) ) ))).
% 1.16/1.13  thf('17', plain,
% 1.16/1.13      (( setadjoinAx ) =
% 1.16/1.13       ( ![X4:$i,X6:$i,X8:$i]:
% 1.16/1.13         ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) <=>
% 1.16/1.13           ( ( ( X8 ) = ( X4 ) ) | ( in @ X8 @ X6 ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(emptysetAx, axiom, emptysetAx = (![Xx:$i]: ( ~( in @ Xx @ emptyset ) ))).
% 1.16/1.13  thf('18', plain,
% 1.16/1.13      (( emptysetAx ) = ( ![X4:$i]: ( ~( in @ X4 @ emptyset ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(setextAx, axiom, setextAx =
% 1.16/1.13    (![A:$i,B:$i]:
% 1.16/1.13     ( ( ![Xx:$i]: ( ( in @ Xx @ A ) <=> ( in @ Xx @ B ) ) ) =>
% 1.16/1.13       ( ( A ) = ( B ) ) ))).
% 1.16/1.13  thf('19', plain,
% 1.16/1.13      (( setextAx ) =
% 1.16/1.13       ( ![X4:$i,X6:$i]:
% 1.16/1.13         ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.16/1.13           ( ( X4 ) = ( X6 ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(exu, axiom,(( exu  ) =
% 1.16/1.13    (^[Xphi:( $i > $o )]:
% 1.16/1.13     ( ?[Xx:$i]:
% 1.16/1.13       ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & ( Xphi @ Xx ) ) )))).
% 1.16/1.13  thf('20', plain,
% 1.16/1.13      (( exu ) =
% 1.16/1.13       ( ^[Xphi:( $i > $o )]:
% 1.16/1.13         ( ?[Xx:$i]:
% 1.16/1.13           ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & 
% 1.16/1.13             ( Xphi @ Xx ) ) ) )),
% 1.16/1.13      inference('simplify_rw_rule', [status(thm)], [exu])).
% 1.16/1.13  thf('21', plain,
% 1.16/1.13      (( exu ) =
% 1.16/1.13       ( ^[V_1:( $i > $o )]:
% 1.16/1.13         ( ?[X4:$i]:
% 1.16/1.13           ( ( ![X6:$i]: ( ( V_1 @ X6 ) => ( ( X4 ) = ( X6 ) ) ) ) & 
% 1.16/1.13             ( V_1 @ X4 ) ) ) )),
% 1.16/1.13      define([status(thm)])).
% 1.16/1.13  thf(emptysetE, conjecture,
% 1.16/1.13    (( setextAx ) =>
% 1.16/1.13     ( ( emptysetAx ) =>
% 1.16/1.13       ( ( setadjoinAx ) =>
% 1.16/1.13         ( ( powersetAx ) =>
% 1.16/1.13           ( ( setunionAx ) =>
% 1.16/1.13             ( ( omega0Ax ) =>
% 1.16/1.13               ( ( omegaSAx ) =>
% 1.16/1.13                 ( ( omegaIndAx ) =>
% 1.16/1.13                   ( ( replAx ) =>
% 1.16/1.13                     ( ( foundationAx ) =>
% 1.16/1.13                       ( ( wellorderingAx ) =>
% 1.16/1.13                         ( ( descrp ) =>
% 1.16/1.13                           ( ( dsetconstrI ) =>
% 1.16/1.13                             ( ( dsetconstrEL ) =>
% 1.16/1.13                               ( ( dsetconstrER ) =>
% 1.16/1.13                                 ( ( exuE1 ) =>
% 1.16/1.13                                   ( ( prop2setE ) =>
% 1.16/1.13                                     ( ![Xx:$i]:
% 1.16/1.13                                       ( ( in @ Xx @ emptyset ) =>
% 1.16/1.13                                         ( ![Xphi:$o]: ( Xphi ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ))).
% 1.16/1.13  thf(zf_stmt_0, conjecture,
% 1.16/1.13    (( ![X4:$i,X6:$i]:
% 1.16/1.13       ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.16/1.13         ( ( X4 ) = ( X6 ) ) ) ) =>
% 1.16/1.13     ( ( ![X10:$i]: ( ~( in @ X10 @ emptyset ) ) ) =>
% 1.16/1.13       ( ( ![X12:$i,X14:$i,X16:$i]:
% 1.16/1.13           ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) ) <=>
% 1.16/1.13             ( ( in @ X16 @ X14 ) | ( ( X16 ) = ( X12 ) ) ) ) ) =>
% 1.16/1.13         ( ( ![X18:$i,X20:$i]:
% 1.16/1.13             ( ( in @ X20 @ ( powerset @ X18 ) ) <=>
% 1.16/1.13               ( ![X22:$i]: ( ( in @ X22 @ X20 ) => ( in @ X22 @ X18 ) ) ) ) ) =>
% 1.16/1.13           ( ( ![X24:$i,X26:$i]:
% 1.16/1.13               ( ( in @ X26 @ ( setunion @ X24 ) ) <=>
% 1.16/1.13                 ( ?[X28:$i]: ( ( in @ X26 @ X28 ) & ( in @ X28 @ X24 ) ) ) ) ) =>
% 1.16/1.13             ( ( in @ emptyset @ omega ) =>
% 1.16/1.13               ( ( ![X30:$i]:
% 1.16/1.13                   ( ( in @ X30 @ omega ) =>
% 1.16/1.13                     ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) ) ) =>
% 1.16/1.13                 ( ( ![X32:$i]:
% 1.16/1.13                     ( ( ( ![X34:$i]:
% 1.16/1.13                           ( ( ( in @ X34 @ X32 ) & ( in @ X34 @ omega ) ) =>
% 1.16/1.13                             ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) ) ) & 
% 1.16/1.13                         ( in @ emptyset @ X32 ) ) =>
% 1.16/1.13                       ( ![X36:$i]:
% 1.16/1.13                         ( ( in @ X36 @ omega ) => ( in @ X36 @ X32 ) ) ) ) ) =>
% 1.16/1.13                   ( ( ![X38:( $i > $i > $o ),X40:$i]:
% 1.16/1.13                       ( ( ![X42:$i]:
% 1.16/1.13                           ( ( in @ X42 @ X40 ) =>
% 1.16/1.13                             ( ?[X44:$i]:
% 1.16/1.13                               ( ( X38 @ X42 @ X44 ) & 
% 1.16/1.13                                 ( ![X46:$i]:
% 1.16/1.13                                   ( ( X38 @ X42 @ X46 ) =>
% 1.16/1.13                                     ( ( X44 ) = ( X46 ) ) ) ) ) ) ) ) =>
% 1.16/1.13                         ( ?[X48:$i]:
% 1.16/1.13                           ( ![X50:$i]:
% 1.16/1.13                             ( ( in @ X50 @ X48 ) <=>
% 1.16/1.13                               ( ?[X52:$i]:
% 1.16/1.13                                 ( ( in @ X52 @ X40 ) & ( X38 @ X52 @ X50 ) ) ) ) ) ) ) ) =>
% 1.16/1.13                     ( ( ![X54:$i]:
% 1.16/1.13                         ( ( ?[X56:$i]: ( in @ X56 @ X54 ) ) =>
% 1.16/1.13                           ( ?[X58:$i]:
% 1.16/1.13                             ( ( in @ X58 @ X54 ) & 
% 1.16/1.13                               ( ~( ?[X60:$i]:
% 1.16/1.13                                    ( ( in @ X60 @ X58 ) & ( in @ X60 @ X54 ) ) ) ) ) ) ) ) =>
% 1.16/1.13                       ( ( ![X62:$i]:
% 1.16/1.13                           ( ?[X64:$i]:
% 1.16/1.13                             ( ( ![X96:$i]:
% 1.16/1.13                                 ( ( in @ X96 @ X64 ) =>
% 1.16/1.13                                   ( ![X98:$i]:
% 1.16/1.13                                     ( ( in @ X98 @ X96 ) => ( in @ X98 @ X62 ) ) ) ) ) & 
% 1.16/1.13                               ( ![X90:$i,X92:$i]:
% 1.16/1.13                                 ( ( ( in @ X92 @ X62 ) & ( in @ X90 @ X62 ) ) =>
% 1.16/1.13                                   ( ( ![X94:$i]:
% 1.16/1.13                                       ( ( in @ X94 @ X64 ) =>
% 1.16/1.13                                         ( ( in @ X90 @ X94 ) <=>
% 1.16/1.13                                           ( in @ X92 @ X94 ) ) ) ) =>
% 1.16/1.13                                     ( ( X90 ) = ( X92 ) ) ) ) ) & 
% 1.16/1.13                               ( ![X82:$i,X84:$i]:
% 1.16/1.13                                 ( ( ( in @ X84 @ X64 ) & ( in @ X82 @ X64 ) ) =>
% 1.16/1.13                                   ( ( ![X88:$i]:
% 1.16/1.13                                       ( ( in @ X88 @ X84 ) =>
% 1.16/1.13                                         ( in @ X88 @ X82 ) ) ) | 
% 1.16/1.13                                     ( ![X86:$i]:
% 1.16/1.13                                       ( ( in @ X86 @ X82 ) =>
% 1.16/1.13                                         ( in @ X86 @ X84 ) ) ) ) ) ) & 
% 1.16/1.13                               ( ![X66:$i]:
% 1.16/1.13                                 ( ( ( ?[X70:$i]: ( in @ X70 @ X66 ) ) & 
% 1.16/1.13                                     ( ![X68:$i]:
% 1.16/1.13                                       ( ( in @ X68 @ X66 ) =>
% 1.16/1.13                                         ( in @ X68 @ X62 ) ) ) ) =>
% 1.16/1.13                                   ( ?[X72:$i,X74:$i]:
% 1.16/1.13                                     ( ( in @ X72 @ X64 ) & 
% 1.16/1.13                                       ( in @ X74 @ X66 ) & 
% 1.16/1.13                                       ( ~( ?[X80:$i]:
% 1.16/1.13                                            ( ( in @ X80 @ X72 ) & 
% 1.16/1.13                                              ( in @ X80 @ X66 ) ) ) ) & 
% 1.16/1.13                                       ( ![X76:$i]:
% 1.16/1.13                                         ( ( in @ X76 @ X64 ) =>
% 1.16/1.13                                           ( ( in @ X74 @ X76 ) | 
% 1.16/1.13                                             ( ![X78:$i]:
% 1.16/1.13                                               ( ( in @ X78 @ X76 ) =>
% 1.16/1.13                                                 ( in @ X78 @ X72 ) ) ) ) ) ) ) ) ) ) ) ) ) =>
% 1.16/1.13                         ( ( ![X100:( $i > $o )]:
% 1.16/1.13                             ( ( ?[X102:$i]:
% 1.16/1.13                                 ( ( X100 @ X102 ) & 
% 1.16/1.13                                   ( ![X104:$i]:
% 1.16/1.13                                     ( ( X100 @ X104 ) =>
% 1.16/1.13                                       ( ( X102 ) = ( X104 ) ) ) ) ) ) =>
% 1.16/1.13                               ( X100 @
% 1.16/1.13                                 ( descr @ ( ^[V_1:$i]: ( X100 @ V_1 ) ) ) ) ) ) =>
% 1.16/1.13                           ( ( ![X106:$i,X108:( $i > $o ),X110:$i]:
% 1.16/1.13                               ( ( in @ X110 @ X106 ) =>
% 1.16/1.13                                 ( ( X108 @ X110 ) =>
% 1.16/1.13                                   ( in @
% 1.16/1.13                                     X110 @ 
% 1.16/1.13                                     ( dsetconstr @
% 1.16/1.13                                       X106 @ ( ^[V_2:$i]: ( X108 @ V_2 ) ) ) ) ) ) ) =>
% 1.16/1.13                             ( ( ![X112:$i,X114:( $i > $o ),X116:$i]:
% 1.16/1.13                                 ( ( in @
% 1.16/1.13                                     X116 @ 
% 1.16/1.13                                     ( dsetconstr @
% 1.16/1.13                                       X112 @ ( ^[V_3:$i]: ( X114 @ V_3 ) ) ) ) =>
% 1.16/1.13                                   ( in @ X116 @ X112 ) ) ) =>
% 1.16/1.13                               ( ( ![X118:$i,X120:( $i > $o ),X122:$i]:
% 1.16/1.13                                   ( ( in @
% 1.16/1.13                                       X122 @ 
% 1.16/1.13                                       ( dsetconstr @
% 1.16/1.13                                         X118 @ ( ^[V_4:$i]: ( X120 @ V_4 ) ) ) ) =>
% 1.16/1.13                                     ( X120 @ X122 ) ) ) =>
% 1.16/1.13                                 ( ( ![X124:( $i > $o )]:
% 1.16/1.13                                     ( ( ?[X126:$i]:
% 1.16/1.13                                         ( ( X124 @ X126 ) & 
% 1.16/1.13                                           ( ![X128:$i]:
% 1.16/1.13                                             ( ( X124 @ X128 ) =>
% 1.16/1.13                                               ( ( X126 ) = ( X128 ) ) ) ) ) ) =>
% 1.16/1.13                                       ( ?[X130:$i]:
% 1.16/1.13                                         ( ( X124 @ X130 ) & 
% 1.16/1.13                                           ( ![X132:$i]:
% 1.16/1.13                                             ( ( X124 @ X132 ) =>
% 1.16/1.13                                               ( ( X130 ) = ( X132 ) ) ) ) ) ) ) ) =>
% 1.16/1.13                                   ( ( ![X134:$o,X136:$i]:
% 1.16/1.13                                       ( ( in @
% 1.16/1.13                                           X136 @ 
% 1.16/1.13                                           ( dsetconstr @
% 1.16/1.13                                             ( powerset @ emptyset ) @ 
% 1.16/1.13                                             ( ^[V_5:$i]: ( X134 ) ) ) ) =>
% 1.16/1.13                                         ( X134 ) ) ) =>
% 1.16/1.13                                     ( ![X138:$i]:
% 1.16/1.14                                       ( ( in @ X138 @ emptyset ) =>
% 1.16/1.14                                         ( ![X140:$o]: ( X140 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ))).
% 1.16/1.14  thf(zf_stmt_1, type, zip_tseitin_3 : $i > $i > $i > ( $i > $i > $o ) > $o).
% 1.16/1.14  thf(zf_stmt_2, axiom,
% 1.16/1.14    (![X52:$i,X50:$i,X40:$i,X38:( $i > $i > $o )]:
% 1.16/1.14     ( ( zip_tseitin_3 @ X52 @ X50 @ X40 @ X38 ) <=>
% 1.16/1.14       ( ( X38 @ X52 @ X50 ) & ( in @ X52 @ X40 ) ) ))).
% 1.16/1.14  thf(zf_stmt_3, type, zip_tseitin_2 : $i > $i > $i > $o).
% 1.16/1.14  thf(zf_stmt_4, axiom,
% 1.16/1.14    (![X28:$i,X26:$i,X24:$i]:
% 1.16/1.14     ( ( zip_tseitin_2 @ X28 @ X26 @ X24 ) <=>
% 1.16/1.14       ( ( in @ X28 @ X24 ) & ( in @ X26 @ X28 ) ) ))).
% 1.16/1.14  thf(zf_stmt_5, type, zip_tseitin_1 : $i > $i > $i > $o).
% 1.16/1.14  thf(zf_stmt_6, axiom,
% 1.16/1.14    (![X22:$i,X20:$i,X18:$i]:
% 1.16/1.14     ( ( zip_tseitin_1 @ X22 @ X20 @ X18 ) <=>
% 1.16/1.14       ( ( in @ X22 @ X20 ) => ( in @ X22 @ X18 ) ) ))).
% 1.16/1.14  thf(zf_stmt_7, type, zip_tseitin_0 : $i > $i > $i > $o).
% 1.16/1.14  thf(zf_stmt_8, axiom,
% 1.16/1.14    (![X16:$i,X14:$i,X12:$i]:
% 1.16/1.14     ( ( zip_tseitin_0 @ X16 @ X14 @ X12 ) <=>
% 1.16/1.14       ( ( ( X16 ) = ( X12 ) ) | ( in @ X16 @ X14 ) ) ))).
% 1.16/1.14  thf(zf_stmt_9, conjecture,
% 1.16/1.14    (( ![X4:$i,X6:$i]:
% 1.16/1.14       ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.16/1.14         ( ( X4 ) = ( X6 ) ) ) ) =>
% 1.16/1.14     ( ( ![X10:$i]: ( ~( in @ X10 @ emptyset ) ) ) =>
% 1.16/1.14       ( ( ![X12:$i,X14:$i,X16:$i]:
% 1.16/1.14           ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) ) <=>
% 1.16/1.14             ( zip_tseitin_0 @ X16 @ X14 @ X12 ) ) ) =>
% 1.16/1.14         ( ( ![X18:$i,X20:$i]:
% 1.16/1.14             ( ( in @ X20 @ ( powerset @ X18 ) ) <=>
% 1.16/1.14               ( ![X22:$i]: ( zip_tseitin_1 @ X22 @ X20 @ X18 ) ) ) ) =>
% 1.16/1.14           ( ( ![X24:$i,X26:$i]:
% 1.16/1.14               ( ( in @ X26 @ ( setunion @ X24 ) ) <=>
% 1.16/1.14                 ( ?[X28:$i]: ( zip_tseitin_2 @ X28 @ X26 @ X24 ) ) ) ) =>
% 1.16/1.14             ( ( in @ emptyset @ omega ) =>
% 1.16/1.14               ( ( ![X30:$i]:
% 1.16/1.14                   ( ( in @ X30 @ omega ) =>
% 1.16/1.14                     ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) ) ) =>
% 1.16/1.14                 ( ( ![X32:$i]:
% 1.16/1.14                     ( ( ( in @ emptyset @ X32 ) & 
% 1.16/1.14                         ( ![X34:$i]:
% 1.16/1.14                           ( ( ( in @ X34 @ omega ) & ( in @ X34 @ X32 ) ) =>
% 1.16/1.14                             ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) ) ) ) =>
% 1.16/1.14                       ( ![X36:$i]:
% 1.16/1.14                         ( ( in @ X36 @ omega ) => ( in @ X36 @ X32 ) ) ) ) ) =>
% 1.16/1.14                   ( ( ![X38:( $i > $i > $o ),X40:$i]:
% 1.16/1.14                       ( ( ![X42:$i]:
% 1.16/1.14                           ( ( in @ X42 @ X40 ) =>
% 1.16/1.14                             ( ?[X44:$i]:
% 1.16/1.14                               ( ( ![X46:$i]:
% 1.16/1.14                                   ( ( X38 @ X42 @ X46 ) =>
% 1.16/1.14                                     ( ( X44 ) = ( X46 ) ) ) ) & 
% 1.16/1.14                                 ( X38 @ X42 @ X44 ) ) ) ) ) =>
% 1.16/1.14                         ( ?[X48:$i]:
% 1.16/1.14                           ( ![X50:$i]:
% 1.16/1.14                             ( ( in @ X50 @ X48 ) <=>
% 1.16/1.14                               ( ?[X52:$i]:
% 1.16/1.14                                 ( zip_tseitin_3 @ X52 @ X50 @ X40 @ X38 ) ) ) ) ) ) ) =>
% 1.16/1.14                     ( ( ![X54:$i]:
% 1.16/1.14                         ( ( ?[X56:$i]: ( in @ X56 @ X54 ) ) =>
% 1.16/1.14                           ( ?[X58:$i]:
% 1.16/1.14                             ( ( ~( ?[X60:$i]:
% 1.16/1.14                                    ( ( in @ X60 @ X54 ) & ( in @ X60 @ X58 ) ) ) ) & 
% 1.16/1.14                               ( in @ X58 @ X54 ) ) ) ) ) =>
% 1.16/1.14                       ( ( ![X62:$i]:
% 1.16/1.14                           ( ?[X64:$i]:
% 1.16/1.14                             ( ( ![X66:$i]:
% 1.16/1.14                                 ( ( ( ![X68:$i]:
% 1.16/1.14                                       ( ( in @ X68 @ X66 ) =>
% 1.16/1.14                                         ( in @ X68 @ X62 ) ) ) & 
% 1.16/1.14                                     ( ?[X70:$i]: ( in @ X70 @ X66 ) ) ) =>
% 1.16/1.14                                   ( ?[X72:$i,X74:$i]:
% 1.16/1.14                                     ( ( ![X76:$i]:
% 1.16/1.14                                         ( ( in @ X76 @ X64 ) =>
% 1.16/1.14                                           ( ( ![X78:$i]:
% 1.16/1.14                                               ( ( in @ X78 @ X76 ) =>
% 1.16/1.14                                                 ( in @ X78 @ X72 ) ) ) | 
% 1.16/1.14                                             ( in @ X74 @ X76 ) ) ) ) & 
% 1.16/1.14                                       ( ~( ?[X80:$i]:
% 1.16/1.14                                            ( ( in @ X80 @ X66 ) & 
% 1.16/1.14                                              ( in @ X80 @ X72 ) ) ) ) & 
% 1.16/1.14                                       ( in @ X74 @ X66 ) & ( in @ X72 @ X64 ) ) ) ) ) & 
% 1.16/1.14                               ( ![X82:$i,X84:$i]:
% 1.16/1.14                                 ( ( ( in @ X82 @ X64 ) & ( in @ X84 @ X64 ) ) =>
% 1.16/1.14                                   ( ( ![X86:$i]:
% 1.16/1.14                                       ( ( in @ X86 @ X82 ) =>
% 1.16/1.14                                         ( in @ X86 @ X84 ) ) ) | 
% 1.16/1.14                                     ( ![X88:$i]:
% 1.16/1.14                                       ( ( in @ X88 @ X84 ) =>
% 1.16/1.14                                         ( in @ X88 @ X82 ) ) ) ) ) ) & 
% 1.16/1.14                               ( ![X90:$i,X92:$i]:
% 1.16/1.14                                 ( ( ( in @ X90 @ X62 ) & ( in @ X92 @ X62 ) ) =>
% 1.16/1.14                                   ( ( ![X94:$i]:
% 1.16/1.14                                       ( ( in @ X94 @ X64 ) =>
% 1.16/1.14                                         ( ( in @ X90 @ X94 ) <=>
% 1.16/1.14                                           ( in @ X92 @ X94 ) ) ) ) =>
% 1.16/1.14                                     ( ( X90 ) = ( X92 ) ) ) ) ) & 
% 1.16/1.14                               ( ![X96:$i]:
% 1.16/1.14                                 ( ( in @ X96 @ X64 ) =>
% 1.16/1.14                                   ( ![X98:$i]:
% 1.16/1.14                                     ( ( in @ X98 @ X96 ) => ( in @ X98 @ X62 ) ) ) ) ) ) ) ) =>
% 1.16/1.14                         ( ( ![X100:( $i > $o )]:
% 1.16/1.14                             ( ( ?[X102:$i]:
% 1.16/1.14                                 ( ( ![X104:$i]:
% 1.16/1.14                                     ( ( X100 @ X104 ) =>
% 1.16/1.14                                       ( ( X102 ) = ( X104 ) ) ) ) & 
% 1.16/1.14                                   ( X100 @ X102 ) ) ) =>
% 1.16/1.14                               ( X100 @
% 1.16/1.14                                 ( descr @ ( ^[V_1:$i]: ( X100 @ V_1 ) ) ) ) ) ) =>
% 1.16/1.14                           ( ( ![X106:$i,X108:( $i > $o ),X110:$i]:
% 1.16/1.14                               ( ( in @ X110 @ X106 ) =>
% 1.16/1.14                                 ( ( X108 @ X110 ) =>
% 1.16/1.14                                   ( in @
% 1.16/1.14                                     X110 @ 
% 1.16/1.14                                     ( dsetconstr @
% 1.16/1.14                                       X106 @ ( ^[V_2:$i]: ( X108 @ V_2 ) ) ) ) ) ) ) =>
% 1.16/1.14                             ( ( ![X112:$i,X114:( $i > $o ),X116:$i]:
% 1.16/1.14                                 ( ( in @
% 1.16/1.14                                     X116 @ 
% 1.16/1.14                                     ( dsetconstr @
% 1.16/1.14                                       X112 @ ( ^[V_3:$i]: ( X114 @ V_3 ) ) ) ) =>
% 1.16/1.14                                   ( in @ X116 @ X112 ) ) ) =>
% 1.16/1.14                               ( ( ![X118:$i,X120:( $i > $o ),X122:$i]:
% 1.16/1.14                                   ( ( in @
% 1.16/1.14                                       X122 @ 
% 1.16/1.14                                       ( dsetconstr @
% 1.16/1.14                                         X118 @ ( ^[V_4:$i]: ( X120 @ V_4 ) ) ) ) =>
% 1.16/1.14                                     ( X120 @ X122 ) ) ) =>
% 1.16/1.14                                 ( ( ![X124:( $i > $o )]:
% 1.16/1.14                                     ( ( ?[X126:$i]:
% 1.16/1.14                                         ( ( ![X128:$i]:
% 1.16/1.14                                             ( ( X124 @ X128 ) =>
% 1.16/1.14                                               ( ( X126 ) = ( X128 ) ) ) ) & 
% 1.16/1.14                                           ( X124 @ X126 ) ) ) =>
% 1.16/1.14                                       ( ?[X130:$i]:
% 1.16/1.14                                         ( ( ![X132:$i]:
% 1.16/1.14                                             ( ( X124 @ X132 ) =>
% 1.16/1.14                                               ( ( X130 ) = ( X132 ) ) ) ) & 
% 1.16/1.14                                           ( X124 @ X130 ) ) ) ) ) =>
% 1.16/1.14                                   ( ( ![X134:$o,X136:$i]:
% 1.16/1.14                                       ( ( in @
% 1.16/1.14                                           X136 @ 
% 1.16/1.14                                           ( dsetconstr @
% 1.16/1.14                                             ( powerset @ emptyset ) @ 
% 1.16/1.14                                             ( ^[V_5:$i]: ( X134 ) ) ) ) =>
% 1.16/1.14                                         ( X134 ) ) ) =>
% 1.16/1.14                                     ( ![X138:$i]:
% 1.16/1.14                                       ( ( in @ X138 @ emptyset ) =>
% 1.16/1.14                                         ( ![X140:$o]: ( X140 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ))).
% 1.16/1.14  thf(zf_stmt_10, negated_conjecture,
% 1.16/1.14    (~( ( ![X4:$i,X6:$i]:
% 1.16/1.14          ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.16/1.14            ( ( X4 ) = ( X6 ) ) ) ) =>
% 1.16/1.14        ( ( ![X10:$i]: ( ~( in @ X10 @ emptyset ) ) ) =>
% 1.16/1.14          ( ( ![X12:$i,X14:$i,X16:$i]:
% 1.16/1.14              ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) ) <=>
% 1.16/1.14                ( zip_tseitin_0 @ X16 @ X14 @ X12 ) ) ) =>
% 1.16/1.14            ( ( ![X18:$i,X20:$i]:
% 1.16/1.14                ( ( in @ X20 @ ( powerset @ X18 ) ) <=>
% 1.16/1.14                  ( ![X22:$i]: ( zip_tseitin_1 @ X22 @ X20 @ X18 ) ) ) ) =>
% 1.16/1.14              ( ( ![X24:$i,X26:$i]:
% 1.16/1.14                  ( ( in @ X26 @ ( setunion @ X24 ) ) <=>
% 1.16/1.14                    ( ?[X28:$i]: ( zip_tseitin_2 @ X28 @ X26 @ X24 ) ) ) ) =>
% 1.16/1.14                ( ( in @ emptyset @ omega ) =>
% 1.16/1.14                  ( ( ![X30:$i]:
% 1.16/1.14                      ( ( in @ X30 @ omega ) =>
% 1.16/1.14                        ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) ) ) =>
% 1.16/1.14                    ( ( ![X32:$i]:
% 1.16/1.14                        ( ( ( in @ emptyset @ X32 ) & 
% 1.16/1.14                            ( ![X34:$i]:
% 1.16/1.14                              ( ( ( in @ X34 @ omega ) & ( in @ X34 @ X32 ) ) =>
% 1.16/1.14                                ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) ) ) ) =>
% 1.16/1.14                          ( ![X36:$i]:
% 1.16/1.14                            ( ( in @ X36 @ omega ) => ( in @ X36 @ X32 ) ) ) ) ) =>
% 1.16/1.14                      ( ( ![X38:( $i > $i > $o ),X40:$i]:
% 1.16/1.14                          ( ( ![X42:$i]:
% 1.16/1.14                              ( ( in @ X42 @ X40 ) =>
% 1.16/1.14                                ( ?[X44:$i]:
% 1.16/1.14                                  ( ( ![X46:$i]:
% 1.16/1.14                                      ( ( X38 @ X42 @ X46 ) =>
% 1.16/1.14                                        ( ( X44 ) = ( X46 ) ) ) ) & 
% 1.16/1.14                                    ( X38 @ X42 @ X44 ) ) ) ) ) =>
% 1.16/1.14                            ( ?[X48:$i]:
% 1.16/1.14                              ( ![X50:$i]:
% 1.16/1.14                                ( ( in @ X50 @ X48 ) <=>
% 1.16/1.14                                  ( ?[X52:$i]:
% 1.16/1.14                                    ( zip_tseitin_3 @ X52 @ X50 @ X40 @ X38 ) ) ) ) ) ) ) =>
% 1.16/1.14                        ( ( ![X54:$i]:
% 1.16/1.14                            ( ( ?[X56:$i]: ( in @ X56 @ X54 ) ) =>
% 1.16/1.14                              ( ?[X58:$i]:
% 1.16/1.14                                ( ( ~( ?[X60:$i]:
% 1.16/1.14                                       ( ( in @ X60 @ X54 ) & 
% 1.16/1.14                                         ( in @ X60 @ X58 ) ) ) ) & 
% 1.16/1.14                                  ( in @ X58 @ X54 ) ) ) ) ) =>
% 1.16/1.14                          ( ( ![X62:$i]:
% 1.16/1.14                              ( ?[X64:$i]:
% 1.16/1.14                                ( ( ![X66:$i]:
% 1.16/1.14                                    ( ( ( ![X68:$i]:
% 1.16/1.14                                          ( ( in @ X68 @ X66 ) =>
% 1.16/1.14                                            ( in @ X68 @ X62 ) ) ) & 
% 1.16/1.14                                        ( ?[X70:$i]: ( in @ X70 @ X66 ) ) ) =>
% 1.16/1.14                                      ( ?[X72:$i,X74:$i]:
% 1.16/1.14                                        ( ( ![X76:$i]:
% 1.16/1.14                                            ( ( in @ X76 @ X64 ) =>
% 1.16/1.14                                              ( ( ![X78:$i]:
% 1.16/1.14                                                  ( ( in @ X78 @ X76 ) =>
% 1.16/1.14                                                    ( in @ X78 @ X72 ) ) ) | 
% 1.16/1.14                                                ( in @ X74 @ X76 ) ) ) ) & 
% 1.16/1.14                                          ( ~( ?[X80:$i]:
% 1.16/1.14                                               ( ( in @ X80 @ X66 ) & 
% 1.16/1.14                                                 ( in @ X80 @ X72 ) ) ) ) & 
% 1.16/1.14                                          ( in @ X74 @ X66 ) & 
% 1.16/1.14                                          ( in @ X72 @ X64 ) ) ) ) ) & 
% 1.16/1.14                                  ( ![X82:$i,X84:$i]:
% 1.16/1.14                                    ( ( ( in @ X82 @ X64 ) & ( in @ X84 @ X64 ) ) =>
% 1.16/1.14                                      ( ( ![X86:$i]:
% 1.16/1.14                                          ( ( in @ X86 @ X82 ) =>
% 1.16/1.14                                            ( in @ X86 @ X84 ) ) ) | 
% 1.16/1.14                                        ( ![X88:$i]:
% 1.16/1.14                                          ( ( in @ X88 @ X84 ) =>
% 1.16/1.14                                            ( in @ X88 @ X82 ) ) ) ) ) ) & 
% 1.16/1.14                                  ( ![X90:$i,X92:$i]:
% 1.16/1.14                                    ( ( ( in @ X90 @ X62 ) & ( in @ X92 @ X62 ) ) =>
% 1.16/1.14                                      ( ( ![X94:$i]:
% 1.16/1.14                                          ( ( in @ X94 @ X64 ) =>
% 1.16/1.14                                            ( ( in @ X90 @ X94 ) <=>
% 1.16/1.14                                              ( in @ X92 @ X94 ) ) ) ) =>
% 1.16/1.14                                        ( ( X90 ) = ( X92 ) ) ) ) ) & 
% 1.16/1.14                                  ( ![X96:$i]:
% 1.16/1.14                                    ( ( in @ X96 @ X64 ) =>
% 1.16/1.14                                      ( ![X98:$i]:
% 1.16/1.14                                        ( ( in @ X98 @ X96 ) =>
% 1.16/1.14                                          ( in @ X98 @ X62 ) ) ) ) ) ) ) ) =>
% 1.16/1.14                            ( ( ![X100:( $i > $o )]:
% 1.16/1.14                                ( ( ?[X102:$i]:
% 1.16/1.14                                    ( ( ![X104:$i]:
% 1.16/1.14                                        ( ( X100 @ X104 ) =>
% 1.16/1.14                                          ( ( X102 ) = ( X104 ) ) ) ) & 
% 1.16/1.14                                      ( X100 @ X102 ) ) ) =>
% 1.16/1.14                                  ( X100 @
% 1.16/1.14                                    ( descr @ ( ^[V_1:$i]: ( X100 @ V_1 ) ) ) ) ) ) =>
% 1.16/1.14                              ( ( ![X106:$i,X108:( $i > $o ),X110:$i]:
% 1.16/1.14                                  ( ( in @ X110 @ X106 ) =>
% 1.16/1.14                                    ( ( X108 @ X110 ) =>
% 1.16/1.14                                      ( in @
% 1.16/1.14                                        X110 @ 
% 1.16/1.14                                        ( dsetconstr @
% 1.16/1.14                                          X106 @ ( ^[V_2:$i]: ( X108 @ V_2 ) ) ) ) ) ) ) =>
% 1.16/1.14                                ( ( ![X112:$i,X114:( $i > $o ),X116:$i]:
% 1.16/1.14                                    ( ( in @
% 1.16/1.14                                        X116 @ 
% 1.16/1.14                                        ( dsetconstr @
% 1.16/1.14                                          X112 @ ( ^[V_3:$i]: ( X114 @ V_3 ) ) ) ) =>
% 1.16/1.14                                      ( in @ X116 @ X112 ) ) ) =>
% 1.16/1.14                                  ( ( ![X118:$i,X120:( $i > $o ),X122:$i]:
% 1.16/1.14                                      ( ( in @
% 1.16/1.14                                          X122 @ 
% 1.16/1.14                                          ( dsetconstr @
% 1.16/1.14                                            X118 @ 
% 1.16/1.14                                            ( ^[V_4:$i]: ( X120 @ V_4 ) ) ) ) =>
% 1.16/1.14                                        ( X120 @ X122 ) ) ) =>
% 1.16/1.14                                    ( ( ![X124:( $i > $o )]:
% 1.16/1.14                                        ( ( ?[X126:$i]:
% 1.16/1.14                                            ( ( ![X128:$i]:
% 1.16/1.14                                                ( ( X124 @ X128 ) =>
% 1.16/1.14                                                  ( ( X126 ) = ( X128 ) ) ) ) & 
% 1.16/1.14                                              ( X124 @ X126 ) ) ) =>
% 1.16/1.14                                          ( ?[X130:$i]:
% 1.16/1.14                                            ( ( ![X132:$i]:
% 1.16/1.14                                                ( ( X124 @ X132 ) =>
% 1.16/1.14                                                  ( ( X130 ) = ( X132 ) ) ) ) & 
% 1.16/1.14                                              ( X124 @ X130 ) ) ) ) ) =>
% 1.16/1.14                                      ( ( ![X134:$o,X136:$i]:
% 1.16/1.14                                          ( ( in @
% 1.16/1.14                                              X136 @ 
% 1.16/1.14                                              ( dsetconstr @
% 1.16/1.14                                                ( powerset @ emptyset ) @ 
% 1.16/1.14                                                ( ^[V_5:$i]: ( X134 ) ) ) ) =>
% 1.16/1.14                                            ( X134 ) ) ) =>
% 1.16/1.14                                        ( ![X138:$i]:
% 1.16/1.14                                          ( ( in @ X138 @ emptyset ) =>
% 1.16/1.14                                            ( ![X140:$o]: ( X140 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )),
% 1.16/1.14    inference('cnf.neg', [status(esa)], [zf_stmt_9])).
% 1.16/1.14  thf(zip_derived_cl42, plain, ( (in @ sk__72 @ emptyset)),
% 1.16/1.14      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.16/1.14  thf(zip_derived_cl58, plain, (![X56 : $i]: ~ (in @ X56 @ emptyset)),
% 1.16/1.14      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.16/1.14  thf(zip_derived_cl60, plain, ($false),
% 1.16/1.14      inference('sup-', [status(thm)], [zip_derived_cl42, zip_derived_cl58])).
% 1.16/1.14  
% 1.16/1.14  % SZS output end Refutation
% 1.16/1.14  
% 1.16/1.14  
% 1.16/1.14  % Terminating...
% 1.59/1.40  % Runner terminated.
% 1.59/1.41  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------