↑ Up

Zipperpin---2.1.9999.THM-Ref.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SEU545^1 : TPTP v9.2.0. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.vfpcj0wIg0 true

% Computer : n024.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 04:55:00 PM UTC 2025

% Result   : Theorem 1.10s 1.51s
% Output   : Refutation 1.10s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.58  % Problem  : SEU545^1 : TPTP v9.2.0. Released v3.7.0.
% 0.08/0.58  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.vfpcj0wIg0 true
% 0.10/0.85  % Computer : n024.cluster.edu
% 0.10/0.85  % Model    : x86_64 x86_64
% 0.10/0.85  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.85  % Memory   : 8042.1875MB
% 0.10/0.85  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.85  % CPULimit : 300
% 0.10/0.85  % WCLimit  : 300
% 0.10/0.85  % DateTime : Wed Oct  1 16:04:38 EDT 2025
% 0.10/0.85  % CPUTime  : 
% 0.10/0.85  % Running portfolio for 300 s
% 0.10/0.85  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.86  % Number of cores: 8
% 0.10/0.86  % Python version: Python 3.6.8
% 0.10/0.87  % Running in HO mode
% 0.41/1.16  % Total configuration time : 828
% 0.41/1.16  % Estimated wc time : 1656
% 0.41/1.16  % Estimated cpu time (8 cpus) : 207.0
% 0.78/1.28  % /export/starexec/sandbox/solver/bin/lams/40_c.s.sh running for 80s
% 0.92/1.44  % /export/starexec/sandbox/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.92/1.44  % /export/starexec/sandbox/solver/bin/lams/15_e_short1.sh running for 30s
% 0.95/1.45  % /export/starexec/sandbox/solver/bin/lams/40_noforms.sh running for 90s
% 0.95/1.45  % /export/starexec/sandbox/solver/bin/lams/40_b.comb.sh running for 70s
% 0.95/1.45  % /export/starexec/sandbox/solver/bin/lams/40_c_ic.sh running for 80s
% 1.10/1.48  % /export/starexec/sandbox/solver/bin/lams/30_sp5.sh running for 60s
% 1.10/1.51  % Solved by lams/40_c.s.sh.
% 1.10/1.51  % done 46 iterations in 0.106s
% 1.10/1.51  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 1.10/1.51  % SZS output start Refutation
% 1.10/1.51  thf(setadjoinAx_type, type, setadjoinAx: $o).
% 1.10/1.51  thf(notdexE_type, type, notdexE: $o).
% 1.10/1.51  thf(setunionAx_type, type, setunionAx: $o).
% 1.10/1.51  thf(powersetE_type, type, powersetE: $o).
% 1.10/1.51  thf(omegaSAx_type, type, omegaSAx: $o).
% 1.10/1.51  thf(exuI1_type, type, exuI1: $o).
% 1.10/1.51  thf(wellorderingAx_type, type, wellorderingAx: $o).
% 1.10/1.51  thf(sk__190_type, type, sk__190: $i > $o).
% 1.10/1.51  thf(setoftrueEq_type, type, setoftrueEq: $o).
% 1.10/1.51  thf(zip_tseitin_2_type, type, zip_tseitin_2: $i > $i > $i > $o).
% 1.10/1.51  thf(setext_type, type, setext: $o).
% 1.10/1.51  thf(emptyinPowerset_type, type, emptyinPowerset: $o).
% 1.10/1.51  thf(in_type, type, in: $i > $i > $o).
% 1.10/1.51  thf(quantDeMorgan1_type, type, quantDeMorgan1: $o).
% 1.10/1.51  thf(setadjoinIR_type, type, setadjoinIR: $o).
% 1.10/1.51  thf(prop2set2propI_type, type, prop2set2propI: $o).
% 1.10/1.51  thf(dsetconstrEL_type, type, dsetconstrEL: $o).
% 1.10/1.51  thf(setbeta_type, type, setbeta: $o).
% 1.10/1.51  thf(eqinunit_type, type, eqinunit: $o).
% 1.10/1.51  thf(upairsetIL_type, type, upairsetIL: $o).
% 1.10/1.51  thf(sk__192_type, type, sk__192: $i).
% 1.10/1.51  thf(powersetAx_type, type, powersetAx: $o).
% 1.10/1.51  thf(zip_tseitin_3_type, type, zip_tseitin_3: $i > $i > $i > ($i > $i > $o) > $o).
% 1.10/1.51  thf(powersetI_type, type, powersetI: $o).
% 1.10/1.51  thf(upairsetIR_type, type, upairsetIR: $o).
% 1.10/1.51  thf(exuE3e_type, type, exuE3e: $o).
% 1.10/1.51  thf(emptysetE_type, type, emptysetE: $o).
% 1.10/1.51  thf(setunionI_type, type, setunionI: $o).
% 1.10/1.51  thf(prop2setI_type, type, prop2setI: $o).
% 1.10/1.51  thf(nonemptyImpWitness_type, type, nonemptyImpWitness: $o).
% 1.10/1.51  thf(exuE2_type, type, exuE2: $o).
% 1.10/1.51  thf(emptyset_type, type, emptyset: $i).
% 1.10/1.51  thf(subPowSU_type, type, subPowSU: $o).
% 1.10/1.51  thf(notinemptyset_type, type, notinemptyset: $o).
% 1.10/1.51  thf(nonemptyI1_type, type, nonemptyI1: $o).
% 1.10/1.51  thf(singletonsswitch_type, type, singletonsswitch: $o).
% 1.10/1.51  thf(quantDeMorgan3_type, type, quantDeMorgan3: $o).
% 1.10/1.51  thf(sk__191_type, type, sk__191: $i > $i).
% 1.10/1.51  thf(setunionE_type, type, setunionE: $o).
% 1.10/1.51  thf(emptyinunitempty_type, type, emptyinunitempty: $o).
% 1.10/1.51  thf(setadjoinE_type, type, setadjoinE: $o).
% 1.10/1.51  thf(descr_type, type, descr: ($i > $o) > $i).
% 1.10/1.51  thf(setadjoinIL_type, type, setadjoinIL: $o).
% 1.10/1.51  thf(exuE1_type, type, exuE1: $o).
% 1.10/1.51  thf(zip_tseitin_0_type, type, zip_tseitin_0: $i > $i > $i > $o).
% 1.10/1.51  thf(prop2set_type, type, prop2set: $o > $i).
% 1.10/1.51  thf(notinsingleton_type, type, notinsingleton: $o).
% 1.10/1.51  thf(emptysetimpfalse_type, type, emptysetimpfalse: $o).
% 1.10/1.51  thf(upairsetE_type, type, upairsetE: $o).
% 1.10/1.51  thf(omega0Ax_type, type, omega0Ax: $o).
% 1.10/1.51  thf(quantDeMorgan4_type, type, quantDeMorgan4: $o).
% 1.10/1.51  thf(setextAx_type, type, setextAx: $o).
% 1.10/1.51  thf(noeltsimpempty_type, type, noeltsimpempty: $o).
% 1.10/1.51  thf(setunion_type, type, setunion: $i > $i).
% 1.10/1.51  thf(descrp_type, type, descrp: $o).
% 1.10/1.51  thf(foundationAx_type, type, foundationAx: $o).
% 1.10/1.51  thf(zip_tseitin_1_type, type, zip_tseitin_1: $i > $i > $i > $o).
% 1.10/1.51  thf(emptysetAx_type, type, emptysetAx: $o).
% 1.10/1.51  thf(emptyI_type, type, emptyI: $o).
% 1.10/1.51  thf(setadjoinOr_type, type, setadjoinOr: $o).
% 1.10/1.51  thf(emptyE1_type, type, emptyE1: $o).
% 1.10/1.51  thf(emptyInPowerset_type, type, emptyInPowerset: $o).
% 1.10/1.51  thf(vacuousDall_type, type, vacuousDall: $o).
% 1.10/1.51  thf(dsetconstr_type, type, dsetconstr: $i > ($i > $o) > $i).
% 1.10/1.51  thf(dsetconstrER_type, type, dsetconstrER: $o).
% 1.10/1.51  thf(exu_type, type, exu: ($i > $o) > $o).
% 1.10/1.51  thf(uniqinunit_type, type, uniqinunit: $o).
% 1.10/1.51  thf(prop2setE_type, type, prop2setE: $o).
% 1.10/1.51  thf(omega_type, type, omega: $i).
% 1.10/1.51  thf(nonemptyI_type, type, nonemptyI: $o).
% 1.10/1.51  thf(notdallE_type, type, notdallE: $o).
% 1.10/1.51  thf(powerset_type, type, powerset: $i > $i).
% 1.10/1.51  thf(dsetconstrI_type, type, dsetconstrI: $o).
% 1.10/1.51  thf(nonempty_type, type, nonempty: $i > $o).
% 1.10/1.51  thf(set2prop_type, type, set2prop: $i > $o).
% 1.10/1.51  thf(setadjoin_type, type, setadjoin: $i > $i > $i).
% 1.10/1.51  thf(quantDeMorgan2_type, type, quantDeMorgan2: $o).
% 1.10/1.51  thf(replAx_type, type, replAx: $o).
% 1.10/1.51  thf(nonemptyE1_type, type, nonemptyE1: $o).
% 1.10/1.51  thf(omegaIndAx_type, type, omegaIndAx: $o).
% 1.10/1.51  thf(exuI1, axiom, exuI1 =
% 1.10/1.51    (![Xphi:( $i > $o )]:
% 1.10/1.51     ( ( ?[Xx:$i]:
% 1.10/1.51         ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & 
% 1.10/1.51           ( Xphi @ Xx ) ) ) =>
% 1.10/1.51       ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) ))).
% 1.10/1.51  thf('0', plain,
% 1.10/1.51      (( exuI1 ) =
% 1.10/1.51       ( ![X4:( $i > $o )]:
% 1.10/1.51         ( ( ?[X6:$i]:
% 1.10/1.51             ( ( ![X8:$i]: ( ( X4 @ X8 ) => ( ( X6 ) = ( X8 ) ) ) ) & 
% 1.10/1.51               ( X4 @ X6 ) ) ) =>
% 1.10/1.51           ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(notdallE, axiom, notdallE =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o )]:
% 1.10/1.51     ( ( ~( ![Xx:$i]: ( ( in @ Xx @ A ) => ( Xphi @ Xx ) ) ) ) =>
% 1.10/1.51       ( ?[Xx:$i]: ( ( ~( Xphi @ Xx ) ) & ( in @ Xx @ A ) ) ) ))).
% 1.10/1.51  thf('1', plain,
% 1.10/1.51      (( notdallE ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o )]:
% 1.10/1.51         ( ( ~( ![X8:$i]: ( ( in @ X8 @ X4 ) => ( X6 @ X8 ) ) ) ) =>
% 1.10/1.51           ( ?[X10:$i]: ( ( ~( X6 @ X10 ) ) & ( in @ X10 @ X4 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(notdexE, axiom, notdexE =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o )]:
% 1.10/1.51     ( ( ~( ?[Xx:$i]: ( ( Xphi @ Xx ) & ( in @ Xx @ A ) ) ) ) =>
% 1.10/1.51       ( ![Xx:$i]: ( ( in @ Xx @ A ) => ( ~( Xphi @ Xx ) ) ) ) ))).
% 1.10/1.51  thf('2', plain,
% 1.10/1.51      (( notdexE ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o )]:
% 1.10/1.51         ( ( ~( ?[X8:$i]: ( ( X6 @ X8 ) & ( in @ X8 @ X4 ) ) ) ) =>
% 1.10/1.51           ( ![X10:$i]: ( ( in @ X10 @ X4 ) => ( ~( X6 @ X10 ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(prop2set2propI, axiom, prop2set2propI =
% 1.10/1.51    (![Xphi:$o]: ( ( Xphi ) => ( set2prop @ ( prop2set @ Xphi ) ) ))).
% 1.10/1.51  thf('3', plain,
% 1.10/1.51      (( prop2set2propI ) =
% 1.10/1.51       ( ![X4:$o]: ( ( X4 ) => ( set2prop @ ( prop2set @ X4 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(prop2setI, axiom, prop2setI =
% 1.10/1.51    (![Xphi:$o]: ( ( Xphi ) => ( in @ emptyset @ ( prop2set @ Xphi ) ) ))).
% 1.10/1.51  thf('4', plain,
% 1.10/1.51      (( prop2setI ) =
% 1.10/1.51       ( ![X4:$o]: ( ( X4 ) => ( in @ emptyset @ ( prop2set @ X4 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(quantDeMorgan4, axiom, quantDeMorgan4 =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o )]:
% 1.10/1.51     ( ( ?[Xx:$i]: ( ( ~( Xphi @ Xx ) ) & ( in @ Xx @ A ) ) ) =>
% 1.10/1.51       ( ~( ![Xx:$i]: ( ( in @ Xx @ A ) => ( Xphi @ Xx ) ) ) ) ))).
% 1.10/1.51  thf('5', plain,
% 1.10/1.51      (( quantDeMorgan4 ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o )]:
% 1.10/1.51         ( ( ?[X8:$i]: ( ( ~( X6 @ X8 ) ) & ( in @ X8 @ X4 ) ) ) =>
% 1.10/1.51           ( ~( ![X10:$i]: ( ( in @ X10 @ X4 ) => ( X6 @ X10 ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(quantDeMorgan3, axiom, quantDeMorgan3 =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o )]:
% 1.10/1.51     ( ( ~( ?[Xx:$i]: ( ( Xphi @ Xx ) & ( in @ Xx @ A ) ) ) ) =>
% 1.10/1.51       ( ![Xx:$i]: ( ( in @ Xx @ A ) => ( ~( Xphi @ Xx ) ) ) ) ))).
% 1.10/1.51  thf('6', plain,
% 1.10/1.51      (( quantDeMorgan3 ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o )]:
% 1.10/1.51         ( ( ~( ?[X8:$i]: ( ( X6 @ X8 ) & ( in @ X8 @ X4 ) ) ) ) =>
% 1.10/1.51           ( ![X10:$i]: ( ( in @ X10 @ X4 ) => ( ~( X6 @ X10 ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(quantDeMorgan2, axiom, quantDeMorgan2 =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o )]:
% 1.10/1.51     ( ( ![Xx:$i]: ( ( in @ Xx @ A ) => ( ~( Xphi @ Xx ) ) ) ) =>
% 1.10/1.51       ( ~( ?[Xx:$i]: ( ( Xphi @ Xx ) & ( in @ Xx @ A ) ) ) ) ))).
% 1.10/1.51  thf('7', plain,
% 1.10/1.51      (( quantDeMorgan2 ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o )]:
% 1.10/1.51         ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) => ( ~( X6 @ X8 ) ) ) ) =>
% 1.10/1.51           ( ~( ?[X10:$i]: ( ( X6 @ X10 ) & ( in @ X10 @ X4 ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(quantDeMorgan1, axiom, quantDeMorgan1 =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o )]:
% 1.10/1.51     ( ( ~( ![Xx:$i]: ( ( in @ Xx @ A ) => ( Xphi @ Xx ) ) ) ) =>
% 1.10/1.51       ( ?[Xx:$i]: ( ( ~( Xphi @ Xx ) ) & ( in @ Xx @ A ) ) ) ))).
% 1.10/1.51  thf('8', plain,
% 1.10/1.51      (( quantDeMorgan1 ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o )]:
% 1.10/1.51         ( ( ~( ![X8:$i]: ( ( in @ X8 @ X4 ) => ( X6 @ X8 ) ) ) ) =>
% 1.10/1.51           ( ?[X10:$i]: ( ( ~( X6 @ X10 ) ) & ( in @ X10 @ X4 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(vacuousDall, axiom, vacuousDall =
% 1.10/1.51    (![Xphi:( $i > $o ),Xx:$i]: ( ( in @ Xx @ emptyset ) => ( Xphi @ Xx ) ))).
% 1.10/1.51  thf('9', plain,
% 1.10/1.51      (( vacuousDall ) =
% 1.10/1.51       ( ![X4:( $i > $o ),X6:$i]: ( ( in @ X6 @ emptyset ) => ( X4 @ X6 ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(emptyE1, axiom, emptyE1 =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o )]:
% 1.10/1.51     ( ( ?[Xx:$i]: ( ( Xphi @ Xx ) & ( in @ Xx @ A ) ) ) =>
% 1.10/1.51       ( ( ( dsetconstr @ A @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) = ( emptyset ) ) =>
% 1.10/1.51         ( $false ) ) ))).
% 1.10/1.51  thf('10', plain,
% 1.10/1.51      (( emptyE1 ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o )]:
% 1.10/1.51         ( ( ?[X8:$i]: ( ( X6 @ X8 ) & ( in @ X8 @ X4 ) ) ) =>
% 1.10/1.51           ( ( ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) = ( emptyset ) ) =>
% 1.10/1.51             ( $false ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(upairsetIR, axiom, upairsetIR =
% 1.10/1.51    (![Xx:$i,Xy:$i]:
% 1.10/1.51     ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ))).
% 1.10/1.51  thf('11', plain,
% 1.10/1.51      (( upairsetIR ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( in @ X6 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(upairsetIL, axiom, upairsetIL =
% 1.10/1.51    (![Xx:$i,Xy:$i]:
% 1.10/1.51     ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ))).
% 1.10/1.51  thf('12', plain,
% 1.10/1.51      (( upairsetIL ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( in @ X4 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(upairsetE, axiom, upairsetE =
% 1.10/1.51    (![Xx:$i,Xy:$i,Xz:$i]:
% 1.10/1.51     ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) =>
% 1.10/1.51       ( ( ( Xz ) = ( Xx ) ) | ( ( Xz ) = ( Xy ) ) ) ))).
% 1.10/1.51  thf('13', plain,
% 1.10/1.51      (( upairsetE ) =
% 1.10/1.51       ( ![X4:$i,X6:$i,X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) =>
% 1.10/1.51           ( ( ( X8 ) = ( X4 ) ) | ( ( X8 ) = ( X6 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(singletonsswitch, axiom, singletonsswitch =
% 1.10/1.51    (![Xx:$i,Xy:$i]:
% 1.10/1.51     ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) =>
% 1.10/1.51       ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ))).
% 1.10/1.51  thf('14', plain,
% 1.10/1.51      (( singletonsswitch ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) =>
% 1.10/1.51           ( in @ X6 @ ( setadjoin @ X4 @ emptyset ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(eqinunit, axiom, eqinunit =
% 1.10/1.51    (![Xx:$i,Xy:$i]:
% 1.10/1.51     ( ( ( Xx ) = ( Xy ) ) => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ))).
% 1.10/1.51  thf('15', plain,
% 1.10/1.51      (( eqinunit ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( ( X4 ) = ( X6 ) ) => ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(notinsingleton, axiom, notinsingleton =
% 1.10/1.51    (![Xx:$i,Xy:$i]:
% 1.10/1.51     ( ( ( Xx ) != ( Xy ) ) => ( ~( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ))).
% 1.10/1.51  thf('16', plain,
% 1.10/1.51      (( notinsingleton ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( ( X4 ) != ( X6 ) ) =>
% 1.10/1.51           ( ~( in @ X6 @ ( setadjoin @ X4 @ emptyset ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(uniqinunit, axiom, uniqinunit =
% 1.10/1.51    (![Xx:$i,Xy:$i]:
% 1.10/1.51     ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) => ( ( Xx ) = ( Xy ) ) ))).
% 1.10/1.51  thf('17', plain,
% 1.10/1.51      (( uniqinunit ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) => ( ( X4 ) = ( X6 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(nonemptyImpWitness, axiom, nonemptyImpWitness =
% 1.10/1.51    (![A:$i]: ( ( nonempty @ A ) => ( ?[Xx:$i]: ( in @ Xx @ A ) ) ))).
% 1.10/1.51  thf('18', plain,
% 1.10/1.51      (( nonemptyImpWitness ) =
% 1.10/1.51       ( ![X4:$i]: ( ( nonempty @ X4 ) => ( ?[X6:$i]: ( in @ X6 @ X4 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(exuE2, axiom, exuE2 =
% 1.10/1.51    (![Xphi:( $i > $o )]:
% 1.10/1.51     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) =>
% 1.10/1.51       ( ?[Xx:$i]: ( ![Xy:$i]: ( ( Xphi @ Xy ) <=> ( ( Xy ) = ( Xx ) ) ) ) ) ))).
% 1.10/1.51  thf('19', plain,
% 1.10/1.51      (( exuE2 ) =
% 1.10/1.51       ( ![X4:( $i > $o )]:
% 1.10/1.51         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) =>
% 1.10/1.51           ( ?[X6:$i]: ( ![X8:$i]: ( ( X4 @ X8 ) <=> ( ( X8 ) = ( X6 ) ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(subPowSU, axiom, subPowSU =
% 1.10/1.51    (![A:$i,Xx:$i]:
% 1.10/1.51     ( ( in @ Xx @ A ) => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ))).
% 1.10/1.51  thf('20', plain,
% 1.10/1.51      (( subPowSU ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( in @ X6 @ X4 ) => ( in @ X6 @ ( powerset @ ( setunion @ X4 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setunionE, axiom, setunionE =
% 1.10/1.51    (![A:$i,Xx:$i]:
% 1.10/1.51     ( ( in @ Xx @ ( setunion @ A ) ) =>
% 1.10/1.51       ( ![Xphi:$o]:
% 1.10/1.51         ( ( ![B:$i]: ( ( in @ Xx @ B ) => ( ( in @ B @ A ) => ( Xphi ) ) ) ) =>
% 1.10/1.51           ( Xphi ) ) ) ))).
% 1.10/1.51  thf('21', plain,
% 1.10/1.51      (( setunionE ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( in @ X6 @ ( setunion @ X4 ) ) =>
% 1.10/1.51           ( ![X8:$o]:
% 1.10/1.51             ( ( ![X10:$i]:
% 1.10/1.51                 ( ( in @ X6 @ X10 ) => ( ( in @ X10 @ X4 ) => ( X8 ) ) ) ) =>
% 1.10/1.51               ( X8 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setunionI, axiom, setunionI =
% 1.10/1.51    (![A:$i,Xx:$i,B:$i]:
% 1.10/1.51     ( ( in @ Xx @ B ) => ( ( in @ B @ A ) => ( in @ Xx @ ( setunion @ A ) ) ) ))).
% 1.10/1.51  thf('22', plain,
% 1.10/1.51      (( setunionI ) =
% 1.10/1.51       ( ![X4:$i,X6:$i,X8:$i]:
% 1.10/1.51         ( ( in @ X6 @ X8 ) =>
% 1.10/1.51           ( ( in @ X8 @ X4 ) => ( in @ X6 @ ( setunion @ X4 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(powersetE, axiom, powersetE =
% 1.10/1.51    (![A:$i,B:$i,Xx:$i]:
% 1.10/1.51     ( ( in @ B @ ( powerset @ A ) ) => ( ( in @ Xx @ B ) => ( in @ Xx @ A ) ) ))).
% 1.10/1.51  thf('23', plain,
% 1.10/1.51      (( powersetE ) =
% 1.10/1.51       ( ![X4:$i,X6:$i,X8:$i]:
% 1.10/1.51         ( ( in @ X6 @ ( powerset @ X4 ) ) =>
% 1.10/1.51           ( ( in @ X8 @ X6 ) => ( in @ X8 @ X4 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(emptyInPowerset, axiom, emptyInPowerset =
% 1.10/1.51    (![A:$i]: ( in @ emptyset @ ( powerset @ A ) ))).
% 1.10/1.51  thf('24', plain,
% 1.10/1.51      (( emptyInPowerset ) =
% 1.10/1.51       ( ![X4:$i]: ( in @ emptyset @ ( powerset @ X4 ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(emptyinPowerset, axiom, emptyinPowerset =
% 1.10/1.51    (![A:$i]: ( in @ emptyset @ ( powerset @ A ) ))).
% 1.10/1.51  thf('25', plain,
% 1.10/1.51      (( emptyinPowerset ) =
% 1.10/1.51       ( ![X4:$i]: ( in @ emptyset @ ( powerset @ X4 ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(powersetI, axiom, powersetI =
% 1.10/1.51    (![A:$i,B:$i]:
% 1.10/1.51     ( ( ![Xx:$i]: ( ( in @ Xx @ B ) => ( in @ Xx @ A ) ) ) =>
% 1.10/1.51       ( in @ B @ ( powerset @ A ) ) ))).
% 1.10/1.51  thf('26', plain,
% 1.10/1.51      (( powersetI ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( ![X8:$i]: ( ( in @ X8 @ X6 ) => ( in @ X8 @ X4 ) ) ) =>
% 1.10/1.51           ( in @ X6 @ ( powerset @ X4 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setoftrueEq, axiom, setoftrueEq =
% 1.10/1.51    (![A:$i]: ( ( dsetconstr @ A @ ( ^[Xx:$i]: ( $true ) ) ) = ( A ) ))).
% 1.10/1.51  thf('27', plain,
% 1.10/1.51      (( setoftrueEq ) =
% 1.10/1.51       ( ![X4:$i]: ( ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( $true ) ) ) = ( X4 ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setadjoinOr, axiom, setadjoinOr =
% 1.10/1.51    (![Xx:$i,A:$i,Xy:$i]:
% 1.10/1.51     ( ( in @ Xy @ ( setadjoin @ Xx @ A ) ) =>
% 1.10/1.51       ( ( ( Xy ) = ( Xx ) ) | ( in @ Xy @ A ) ) ))).
% 1.10/1.51  thf('28', plain,
% 1.10/1.51      (( setadjoinOr ) =
% 1.10/1.51       ( ![X4:$i,X6:$i,X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) =>
% 1.10/1.51           ( ( ( X8 ) = ( X4 ) ) | ( in @ X8 @ X6 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setadjoinE, axiom, setadjoinE =
% 1.10/1.51    (![Xx:$i,A:$i,Xy:$i]:
% 1.10/1.51     ( ( in @ Xy @ ( setadjoin @ Xx @ A ) ) =>
% 1.10/1.51       ( ![Xphi:$o]:
% 1.10/1.51         ( ( ( ( Xy ) = ( Xx ) ) => ( Xphi ) ) =>
% 1.10/1.51           ( ( ( in @ Xy @ A ) => ( Xphi ) ) => ( Xphi ) ) ) ) ))).
% 1.10/1.51  thf('29', plain,
% 1.10/1.51      (( setadjoinE ) =
% 1.10/1.51       ( ![X4:$i,X6:$i,X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) =>
% 1.10/1.51           ( ![X10:$o]:
% 1.10/1.51             ( ( ( ( X8 ) = ( X4 ) ) => ( X10 ) ) =>
% 1.10/1.51               ( ( ( in @ X8 @ X6 ) => ( X10 ) ) => ( X10 ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setadjoinIR, axiom, setadjoinIR =
% 1.10/1.51    (![Xx:$i,A:$i,Xy:$i]:
% 1.10/1.51     ( ( in @ Xy @ A ) => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ))).
% 1.10/1.51  thf('30', plain,
% 1.10/1.51      (( setadjoinIR ) =
% 1.10/1.51       ( ![X4:$i,X6:$i,X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ X6 ) => ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(emptyinunitempty, axiom,(( emptyinunitempty  ) =
% 1.10/1.51    (in @ emptyset @ ( setadjoin @ emptyset @ emptyset )))).
% 1.10/1.51  thf('31', plain,
% 1.10/1.51      (( emptyinunitempty ) =
% 1.10/1.51       ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) )),
% 1.10/1.51      inference('simplify_rw_rule', [status(thm)], [emptyinunitempty])).
% 1.10/1.51  thf('32', plain,
% 1.10/1.51      (( emptyinunitempty ) =
% 1.10/1.51       ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setadjoinIL, axiom, setadjoinIL =
% 1.10/1.51    (![Xx:$i,Xy:$i]: ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ))).
% 1.10/1.51  thf('33', plain,
% 1.10/1.51      (( setadjoinIL ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]: ( in @ X4 @ ( setadjoin @ X4 @ X6 ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(nonemptyI1, axiom, nonemptyI1 =
% 1.10/1.51    (![A:$i]: ( ( ?[Xx:$i]: ( in @ Xx @ A ) ) => ( nonempty @ A ) ))).
% 1.10/1.51  thf('34', plain,
% 1.10/1.51      (( nonemptyI1 ) =
% 1.10/1.51       ( ![X4:$i]: ( ( ?[X6:$i]: ( in @ X6 @ X4 ) ) => ( nonempty @ X4 ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(nonemptyI, axiom, nonemptyI =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.10/1.51     ( ( in @ Xx @ A ) =>
% 1.10/1.51       ( ( Xphi @ Xx ) =>
% 1.10/1.51         ( nonempty @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) ) ))).
% 1.10/1.51  thf('35', plain,
% 1.10/1.51      (( nonemptyI ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ X4 ) =>
% 1.10/1.51           ( ( X6 @ X8 ) =>
% 1.10/1.51             ( nonempty @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(nonemptyE1, axiom, nonemptyE1 =
% 1.10/1.51    (![A:$i]: ( ( nonempty @ A ) => ( ?[Xx:$i]: ( in @ Xx @ A ) ) ))).
% 1.10/1.51  thf('36', plain,
% 1.10/1.51      (( nonemptyE1 ) =
% 1.10/1.51       ( ![X4:$i]: ( ( nonempty @ X4 ) => ( ?[X6:$i]: ( in @ X6 @ X4 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(nonempty, axiom,(( nonempty  ) = (^[Xx:$i]: ( ( Xx ) != ( emptyset ) )))).
% 1.10/1.51  thf('37', plain, (( nonempty ) = ( ^[Xx:$i]: ( ( Xx ) != ( emptyset ) ) )),
% 1.10/1.51      inference('simplify_rw_rule', [status(thm)], [nonempty])).
% 1.10/1.51  thf('38', plain, (( nonempty ) = ( ^[V_1:$i]: ( ( V_1 ) != ( emptyset ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setbeta, axiom, setbeta =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.10/1.51     ( ( in @ Xx @ A ) =>
% 1.10/1.51       ( ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) <=>
% 1.10/1.51         ( Xphi @ Xx ) ) ))).
% 1.10/1.51  thf('39', plain,
% 1.10/1.51      (( setbeta ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ X4 ) =>
% 1.10/1.51           ( ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) <=>
% 1.10/1.51             ( X6 @ X8 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(noeltsimpempty, axiom, noeltsimpempty =
% 1.10/1.51    (![A:$i]:
% 1.10/1.51     ( ( ![Xx:$i]: ( ~( in @ Xx @ A ) ) ) => ( ( A ) = ( emptyset ) ) ))).
% 1.10/1.51  thf('40', plain,
% 1.10/1.51      (( noeltsimpempty ) =
% 1.10/1.51       ( ![X4:$i]:
% 1.10/1.51         ( ( ![X6:$i]: ( ~( in @ X6 @ X4 ) ) ) => ( ( X4 ) = ( emptyset ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(emptyI, axiom, emptyI =
% 1.10/1.51    (![A:$i]:
% 1.10/1.51     ( ( ![Xx:$i]: ( ~( in @ Xx @ A ) ) ) => ( ( A ) = ( emptyset ) ) ))).
% 1.10/1.51  thf('41', plain,
% 1.10/1.51      (( emptyI ) =
% 1.10/1.51       ( ![X4:$i]:
% 1.10/1.51         ( ( ![X6:$i]: ( ~( in @ X6 @ X4 ) ) ) => ( ( X4 ) = ( emptyset ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setext, axiom, setext =
% 1.10/1.51    (![A:$i,B:$i]:
% 1.10/1.51     ( ( ![Xx:$i]: ( ( in @ Xx @ A ) => ( in @ Xx @ B ) ) ) =>
% 1.10/1.51       ( ( ![Xx:$i]: ( ( in @ Xx @ B ) => ( in @ Xx @ A ) ) ) =>
% 1.10/1.51         ( ( A ) = ( B ) ) ) ))).
% 1.10/1.51  thf('42', plain,
% 1.10/1.51      (( setext ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) => ( in @ X8 @ X6 ) ) ) =>
% 1.10/1.51           ( ( ![X10:$i]: ( ( in @ X10 @ X6 ) => ( in @ X10 @ X4 ) ) ) =>
% 1.10/1.51             ( ( X4 ) = ( X6 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(exuE3e, axiom, exuE3e =
% 1.10/1.51    (![Xphi:( $i > $o )]:
% 1.10/1.51     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) => ( ?[Xx:$i]: ( Xphi @ Xx ) ) ))).
% 1.10/1.51  thf('43', plain,
% 1.10/1.51      (( exuE3e ) =
% 1.10/1.51       ( ![X4:( $i > $o )]:
% 1.10/1.51         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) => ( ?[X6:$i]: ( X4 @ X6 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(notinemptyset, axiom, notinemptyset =
% 1.10/1.51    (![Xx:$i]: ( ~( in @ Xx @ emptyset ) ))).
% 1.10/1.51  thf('44', plain,
% 1.10/1.51      (( notinemptyset ) = ( ![X4:$i]: ( ~( in @ X4 @ emptyset ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(emptysetimpfalse, axiom, emptysetimpfalse =
% 1.10/1.51    (![Xx:$i]: ( ( in @ Xx @ emptyset ) => ( $false ) ))).
% 1.10/1.51  thf('45', plain,
% 1.10/1.51      (( emptysetimpfalse ) =
% 1.10/1.51       ( ![X4:$i]: ( ( in @ X4 @ emptyset ) => ( $false ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(emptysetE, axiom, emptysetE =
% 1.10/1.51    (![Xx:$i]: ( ( in @ Xx @ emptyset ) => ( ![Xphi:$o]: ( Xphi ) ) ))).
% 1.10/1.51  thf('46', plain,
% 1.10/1.51      (( emptysetE ) =
% 1.10/1.51       ( ![X4:$i]: ( ( in @ X4 @ emptyset ) => ( ![X6:$o]: ( X6 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(prop2setE, axiom, prop2setE =
% 1.10/1.51    (![Xphi:$o,Xx:$i]: ( ( in @ Xx @ ( prop2set @ Xphi ) ) => ( Xphi ) ))).
% 1.10/1.51  thf('47', plain,
% 1.10/1.51      (( prop2setE ) =
% 1.10/1.51       ( ![X4:$o,X6:$i]: ( ( in @ X6 @ ( prop2set @ X4 ) ) => ( X4 ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(exuE1, axiom, exuE1 =
% 1.10/1.51    (![Xphi:( $i > $o )]:
% 1.10/1.51     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) =>
% 1.10/1.51       ( ?[Xx:$i]:
% 1.10/1.51         ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & 
% 1.10/1.51           ( Xphi @ Xx ) ) ) ))).
% 1.10/1.51  thf('48', plain,
% 1.10/1.51      (( exuE1 ) =
% 1.10/1.51       ( ![X4:( $i > $o )]:
% 1.10/1.51         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) =>
% 1.10/1.51           ( ?[X6:$i]:
% 1.10/1.51             ( ( ![X8:$i]: ( ( X4 @ X8 ) => ( ( X6 ) = ( X8 ) ) ) ) & 
% 1.10/1.51               ( X4 @ X6 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(dsetconstrER, axiom, dsetconstrER =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.10/1.51     ( ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) =>
% 1.10/1.51       ( Xphi @ Xx ) ))).
% 1.10/1.51  thf('49', plain,
% 1.10/1.51      (( dsetconstrER ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) =>
% 1.10/1.51           ( X6 @ X8 ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(dsetconstrEL, axiom, dsetconstrEL =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.10/1.51     ( ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) =>
% 1.10/1.51       ( in @ Xx @ A ) ))).
% 1.10/1.51  thf('50', plain,
% 1.10/1.51      (( dsetconstrEL ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) =>
% 1.10/1.51           ( in @ X8 @ X4 ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(dsetconstrI, axiom, dsetconstrI =
% 1.10/1.51    (![A:$i,Xphi:( $i > $o ),Xx:$i]:
% 1.10/1.51     ( ( in @ Xx @ A ) =>
% 1.10/1.51       ( ( Xphi @ Xx ) =>
% 1.10/1.51         ( in @ Xx @ ( dsetconstr @ A @ ( ^[Xy:$i]: ( Xphi @ Xy ) ) ) ) ) ))).
% 1.10/1.51  thf('51', plain,
% 1.10/1.51      (( dsetconstrI ) =
% 1.10/1.51       ( ![X4:$i,X6:( $i > $o ),X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ X4 ) =>
% 1.10/1.51           ( ( X6 @ X8 ) =>
% 1.10/1.51             ( in @ X8 @ ( dsetconstr @ X4 @ ( ^[V_1:$i]: ( X6 @ V_1 ) ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(descrp, axiom, descrp =
% 1.10/1.51    (![Xphi:( $i > $o )]:
% 1.10/1.51     ( ( exu @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) =>
% 1.10/1.51       ( Xphi @ ( descr @ ( ^[Xx:$i]: ( Xphi @ Xx ) ) ) ) ))).
% 1.10/1.51  thf('52', plain,
% 1.10/1.51      (( descrp ) =
% 1.10/1.51       ( ![X4:( $i > $o )]:
% 1.10/1.51         ( ( exu @ ( ^[V_1:$i]: ( X4 @ V_1 ) ) ) =>
% 1.10/1.51           ( X4 @ ( descr @ ( ^[V_2:$i]: ( X4 @ V_2 ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(wellorderingAx, axiom, wellorderingAx =
% 1.10/1.51    (![A:$i]:
% 1.10/1.51     ( ?[B:$i]:
% 1.10/1.51       ( ( ![C:$i]:
% 1.10/1.51           ( ( ( ![Xx:$i]: ( ( in @ Xx @ C ) => ( in @ Xx @ A ) ) ) & 
% 1.10/1.51               ( ?[Xx:$i]: ( in @ Xx @ C ) ) ) =>
% 1.10/1.51             ( ?[D:$i,Xx:$i]:
% 1.10/1.51               ( ( ![E:$i]:
% 1.10/1.51                   ( ( in @ E @ B ) =>
% 1.10/1.51                     ( ( ![Xy:$i]: ( ( in @ Xy @ E ) => ( in @ Xy @ D ) ) ) | 
% 1.10/1.51                       ( in @ Xx @ E ) ) ) ) & 
% 1.10/1.51                 ( ~( ?[Xy:$i]: ( ( in @ Xy @ C ) & ( in @ Xy @ D ) ) ) ) & 
% 1.10/1.51                 ( in @ Xx @ C ) & ( in @ D @ B ) ) ) ) ) & 
% 1.10/1.51         ( ![C:$i,D:$i]:
% 1.10/1.51           ( ( ( in @ C @ B ) & ( in @ D @ B ) ) =>
% 1.10/1.51             ( ( ![Xx:$i]: ( ( in @ Xx @ C ) => ( in @ Xx @ D ) ) ) | 
% 1.10/1.51               ( ![Xx:$i]: ( ( in @ Xx @ D ) => ( in @ Xx @ C ) ) ) ) ) ) & 
% 1.10/1.51         ( ![Xx:$i,Xy:$i]:
% 1.10/1.51           ( ( ( in @ Xx @ A ) & ( in @ Xy @ A ) ) =>
% 1.10/1.51             ( ( ![C:$i]:
% 1.10/1.51                 ( ( in @ C @ B ) => ( ( in @ Xx @ C ) <=> ( in @ Xy @ C ) ) ) ) =>
% 1.10/1.51               ( ( Xx ) = ( Xy ) ) ) ) ) & 
% 1.10/1.51         ( ![C:$i]:
% 1.10/1.51           ( ( in @ C @ B ) =>
% 1.10/1.51             ( ![Xx:$i]: ( ( in @ Xx @ C ) => ( in @ Xx @ A ) ) ) ) ) ) ))).
% 1.10/1.51  thf('53', plain,
% 1.10/1.51      (( wellorderingAx ) =
% 1.10/1.51       ( ![X4:$i]:
% 1.10/1.51         ( ?[X6:$i]:
% 1.10/1.51           ( ( ![X8:$i]:
% 1.10/1.51               ( ( ( ![X10:$i]: ( ( in @ X10 @ X8 ) => ( in @ X10 @ X4 ) ) ) & 
% 1.10/1.51                   ( ?[X12:$i]: ( in @ X12 @ X8 ) ) ) =>
% 1.10/1.51                 ( ?[X14:$i,X16:$i]:
% 1.10/1.51                   ( ( ![X18:$i]:
% 1.10/1.51                       ( ( in @ X18 @ X6 ) =>
% 1.10/1.51                         ( ( ![X20:$i]:
% 1.10/1.51                             ( ( in @ X20 @ X18 ) => ( in @ X20 @ X14 ) ) ) | 
% 1.10/1.51                           ( in @ X16 @ X18 ) ) ) ) & 
% 1.10/1.51                     ( ~( ?[X22:$i]: ( ( in @ X22 @ X8 ) & ( in @ X22 @ X14 ) ) ) ) & 
% 1.10/1.51                     ( in @ X16 @ X8 ) & ( in @ X14 @ X6 ) ) ) ) ) & 
% 1.10/1.51             ( ![X24:$i,X26:$i]:
% 1.10/1.51               ( ( ( in @ X24 @ X6 ) & ( in @ X26 @ X6 ) ) =>
% 1.10/1.51                 ( ( ![X28:$i]: ( ( in @ X28 @ X24 ) => ( in @ X28 @ X26 ) ) ) | 
% 1.10/1.51                   ( ![X30:$i]: ( ( in @ X30 @ X26 ) => ( in @ X30 @ X24 ) ) ) ) ) ) & 
% 1.10/1.51             ( ![X32:$i,X34:$i]:
% 1.10/1.51               ( ( ( in @ X32 @ X4 ) & ( in @ X34 @ X4 ) ) =>
% 1.10/1.51                 ( ( ![X36:$i]:
% 1.10/1.51                     ( ( in @ X36 @ X6 ) =>
% 1.10/1.51                       ( ( in @ X32 @ X36 ) <=> ( in @ X34 @ X36 ) ) ) ) =>
% 1.10/1.51                   ( ( X32 ) = ( X34 ) ) ) ) ) & 
% 1.10/1.51             ( ![X38:$i]:
% 1.10/1.51               ( ( in @ X38 @ X6 ) =>
% 1.10/1.51                 ( ![X40:$i]: ( ( in @ X40 @ X38 ) => ( in @ X40 @ X4 ) ) ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(foundationAx, axiom, foundationAx =
% 1.10/1.51    (![A:$i]:
% 1.10/1.51     ( ( ?[Xx:$i]: ( in @ Xx @ A ) ) =>
% 1.10/1.51       ( ?[B:$i]:
% 1.10/1.51         ( ( ~( ?[Xx:$i]: ( ( in @ Xx @ A ) & ( in @ Xx @ B ) ) ) ) & 
% 1.10/1.51           ( in @ B @ A ) ) ) ))).
% 1.10/1.51  thf('54', plain,
% 1.10/1.51      (( foundationAx ) =
% 1.10/1.51       ( ![X4:$i]:
% 1.10/1.51         ( ( ?[X6:$i]: ( in @ X6 @ X4 ) ) =>
% 1.10/1.51           ( ?[X8:$i]:
% 1.10/1.51             ( ( ~( ?[X10:$i]: ( ( in @ X10 @ X4 ) & ( in @ X10 @ X8 ) ) ) ) & 
% 1.10/1.51               ( in @ X8 @ X4 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(replAx, axiom, replAx =
% 1.10/1.51    (![Xphi:( $i > $i > $o ),A:$i]:
% 1.10/1.51     ( ( ![Xx:$i]:
% 1.10/1.51         ( ( in @ Xx @ A ) => ( exu @ ( ^[Xy:$i]: ( Xphi @ Xx @ Xy ) ) ) ) ) =>
% 1.10/1.51       ( ?[B:$i]:
% 1.10/1.51         ( ![Xx:$i]:
% 1.10/1.51           ( ( in @ Xx @ B ) <=>
% 1.10/1.51             ( ?[Xy:$i]: ( ( Xphi @ Xy @ Xx ) & ( in @ Xy @ A ) ) ) ) ) ) ))).
% 1.10/1.51  thf('55', plain,
% 1.10/1.51      (( replAx ) =
% 1.10/1.51       ( ![X4:( $i > $i > $o ),X6:$i]:
% 1.10/1.51         ( ( ![X8:$i]:
% 1.10/1.51             ( ( in @ X8 @ X6 ) => ( exu @ ( ^[V_1:$i]: ( X4 @ X8 @ V_1 ) ) ) ) ) =>
% 1.10/1.51           ( ?[X10:$i]:
% 1.10/1.51             ( ![X12:$i]:
% 1.10/1.51               ( ( in @ X12 @ X10 ) <=>
% 1.10/1.51                 ( ?[X14:$i]: ( ( X4 @ X14 @ X12 ) & ( in @ X14 @ X6 ) ) ) ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(omegaIndAx, axiom, omegaIndAx =
% 1.10/1.51    (![A:$i]:
% 1.10/1.51     ( ( ( in @ emptyset @ A ) & 
% 1.10/1.51         ( ![Xx:$i]:
% 1.10/1.51           ( ( ( in @ Xx @ omega ) & ( in @ Xx @ A ) ) =>
% 1.10/1.51             ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) ) ) =>
% 1.10/1.51       ( ![Xx:$i]: ( ( in @ Xx @ omega ) => ( in @ Xx @ A ) ) ) ))).
% 1.10/1.51  thf('56', plain,
% 1.10/1.51      (( omegaIndAx ) =
% 1.10/1.51       ( ![X4:$i]:
% 1.10/1.51         ( ( ( in @ emptyset @ X4 ) & 
% 1.10/1.51             ( ![X6:$i]:
% 1.10/1.51               ( ( ( in @ X6 @ omega ) & ( in @ X6 @ X4 ) ) =>
% 1.10/1.51                 ( in @ ( setadjoin @ X6 @ X6 ) @ X4 ) ) ) ) =>
% 1.10/1.51           ( ![X8:$i]: ( ( in @ X8 @ omega ) => ( in @ X8 @ X4 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(omegaSAx, axiom, omegaSAx =
% 1.10/1.51    (![Xx:$i]:
% 1.10/1.51     ( ( in @ Xx @ omega ) => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ))).
% 1.10/1.51  thf('57', plain,
% 1.10/1.51      (( omegaSAx ) =
% 1.10/1.51       ( ![X4:$i]:
% 1.10/1.51         ( ( in @ X4 @ omega ) => ( in @ ( setadjoin @ X4 @ X4 ) @ omega ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(omega0Ax, axiom,(( omega0Ax  ) = (in @ emptyset @ omega))).
% 1.10/1.51  thf('58', plain, (( omega0Ax ) = ( in @ emptyset @ omega )),
% 1.10/1.51      inference('simplify_rw_rule', [status(thm)], [omega0Ax])).
% 1.10/1.51  thf('59', plain, (( omega0Ax ) = ( in @ emptyset @ omega )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setunionAx, axiom, setunionAx =
% 1.10/1.51    (![A:$i,Xx:$i]:
% 1.10/1.51     ( ( in @ Xx @ ( setunion @ A ) ) <=>
% 1.10/1.51       ( ?[B:$i]: ( ( in @ B @ A ) & ( in @ Xx @ B ) ) ) ))).
% 1.10/1.51  thf('60', plain,
% 1.10/1.51      (( setunionAx ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( in @ X6 @ ( setunion @ X4 ) ) <=>
% 1.10/1.51           ( ?[X8:$i]: ( ( in @ X8 @ X4 ) & ( in @ X6 @ X8 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(powersetAx, axiom, powersetAx =
% 1.10/1.51    (![A:$i,B:$i]:
% 1.10/1.51     ( ( in @ B @ ( powerset @ A ) ) <=>
% 1.10/1.51       ( ![Xx:$i]: ( ( in @ Xx @ B ) => ( in @ Xx @ A ) ) ) ))).
% 1.10/1.51  thf('61', plain,
% 1.10/1.51      (( powersetAx ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( in @ X6 @ ( powerset @ X4 ) ) <=>
% 1.10/1.51           ( ![X8:$i]: ( ( in @ X8 @ X6 ) => ( in @ X8 @ X4 ) ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setadjoinAx, axiom, setadjoinAx =
% 1.10/1.51    (![Xx:$i,A:$i,Xy:$i]:
% 1.10/1.51     ( ( in @ Xy @ ( setadjoin @ Xx @ A ) ) <=>
% 1.10/1.51       ( ( ( Xy ) = ( Xx ) ) | ( in @ Xy @ A ) ) ))).
% 1.10/1.51  thf('62', plain,
% 1.10/1.51      (( setadjoinAx ) =
% 1.10/1.51       ( ![X4:$i,X6:$i,X8:$i]:
% 1.10/1.51         ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) <=>
% 1.10/1.51           ( ( ( X8 ) = ( X4 ) ) | ( in @ X8 @ X6 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(emptysetAx, axiom, emptysetAx = (![Xx:$i]: ( ~( in @ Xx @ emptyset ) ))).
% 1.10/1.51  thf('63', plain,
% 1.10/1.51      (( emptysetAx ) = ( ![X4:$i]: ( ~( in @ X4 @ emptyset ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(setextAx, axiom, setextAx =
% 1.10/1.51    (![A:$i,B:$i]:
% 1.10/1.51     ( ( ![Xx:$i]: ( ( in @ Xx @ A ) <=> ( in @ Xx @ B ) ) ) =>
% 1.10/1.51       ( ( A ) = ( B ) ) ))).
% 1.10/1.51  thf('64', plain,
% 1.10/1.51      (( setextAx ) =
% 1.10/1.51       ( ![X4:$i,X6:$i]:
% 1.10/1.51         ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.10/1.51           ( ( X4 ) = ( X6 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(exu, axiom,(( exu  ) =
% 1.10/1.51    (^[Xphi:( $i > $o )]:
% 1.10/1.51     ( ?[Xx:$i]:
% 1.10/1.51       ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & ( Xphi @ Xx ) ) )))).
% 1.10/1.51  thf('65', plain,
% 1.10/1.51      (( exu ) =
% 1.10/1.51       ( ^[Xphi:( $i > $o )]:
% 1.10/1.51         ( ?[Xx:$i]:
% 1.10/1.51           ( ( ![Xy:$i]: ( ( Xphi @ Xy ) => ( ( Xx ) = ( Xy ) ) ) ) & 
% 1.10/1.51             ( Xphi @ Xx ) ) ) )),
% 1.10/1.51      inference('simplify_rw_rule', [status(thm)], [exu])).
% 1.10/1.51  thf('66', plain,
% 1.10/1.51      (( exu ) =
% 1.10/1.51       ( ^[V_1:( $i > $o )]:
% 1.10/1.51         ( ?[X4:$i]:
% 1.10/1.51           ( ( ![X6:$i]: ( ( V_1 @ X6 ) => ( ( X4 ) = ( X6 ) ) ) ) & 
% 1.10/1.51             ( V_1 @ X4 ) ) ) )),
% 1.10/1.51      define([status(thm)])).
% 1.10/1.51  thf(exuI3, conjecture,
% 1.10/1.51    (( setextAx ) =>
% 1.10/1.51     ( ( emptysetAx ) =>
% 1.10/1.51       ( ( setadjoinAx ) =>
% 1.10/1.51         ( ( powersetAx ) =>
% 1.10/1.51           ( ( setunionAx ) =>
% 1.10/1.51             ( ( omega0Ax ) =>
% 1.10/1.51               ( ( omegaSAx ) =>
% 1.10/1.51                 ( ( omegaIndAx ) =>
% 1.10/1.51                   ( ( replAx ) =>
% 1.10/1.51                     ( ( foundationAx ) =>
% 1.10/1.51                       ( ( wellorderingAx ) =>
% 1.10/1.51                         ( ( descrp ) =>
% 1.10/1.51                           ( ( dsetconstrI ) =>
% 1.10/1.51                             ( ( dsetconstrEL ) =>
% 1.10/1.51                               ( ( dsetconstrER ) =>
% 1.10/1.51                                 ( ( exuE1 ) =>
% 1.10/1.51                                   ( ( prop2setE ) =>
% 1.10/1.51                                     ( ( emptysetE ) =>
% 1.10/1.51                                       ( ( emptysetimpfalse ) =>
% 1.10/1.51                                         ( ( notinemptyset ) =>
% 1.10/1.51                                           ( ( exuE3e ) =>
% 1.10/1.51                                             ( ( setext ) =>
% 1.10/1.51                                               ( ( emptyI ) =>
% 1.10/1.51                                                 ( ( noeltsimpempty ) =>
% 1.10/1.51                                                   ( ( setbeta ) =>
% 1.10/1.51                                                     ( ( nonemptyE1 ) =>
% 1.10/1.51                                                       ( ( nonemptyI ) =>
% 1.10/1.51                                                         ( ( nonemptyI1 ) =>
% 1.10/1.51                                                           ( ( setadjoinIL ) =>
% 1.10/1.51                                                             ( ( emptyinunitempty ) =>
% 1.10/1.51                                                               ( ( setadjoinIR ) =>
% 1.10/1.51                                                                 ( ( setadjoinE ) =>
% 1.10/1.51                                                                   ( ( 
% 1.10/1.51                                                                     setadjoinOr ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setoftrueEq ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powersetI ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     emptyinPowerset ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     emptyInPowerset ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powersetE ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setunionI ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setunionE ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     subPowSU ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     exuE2 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     nonemptyImpWitness ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     uniqinunit ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     notinsingleton ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     eqinunit ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     singletonsswitch ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     upairsetE ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     upairsetIL ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     upairsetIR ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     emptyE1 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     vacuousDall ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     quantDeMorgan1 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     quantDeMorgan2 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     quantDeMorgan3 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     quantDeMorgan4 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     prop2setI ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     prop2set2propI ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     notdexE ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     notdallE ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     exuI1 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     Xphi:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     Xx:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     Xphi @ Xx ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     Xx:$i,
% 1.10/1.51                                                                     Xy:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     Xphi @ Xx ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     Xphi @ Xy ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     Xx ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     Xy ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     exu @
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ^[
% 1.10/1.51                                                                     Xx:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     Xphi @ Xx ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ))).
% 1.10/1.51  thf(zf_stmt_0, conjecture,
% 1.10/1.51    (( ![X4:$i,X6:$i]:
% 1.10/1.51       ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.10/1.51         ( ( X4 ) = ( X6 ) ) ) ) =>
% 1.10/1.51     ( ( ![X10:$i]: ( ~( in @ X10 @ emptyset ) ) ) =>
% 1.10/1.51       ( ( ![X12:$i,X14:$i,X16:$i]:
% 1.10/1.51           ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) ) <=>
% 1.10/1.51             ( ( in @ X16 @ X14 ) | ( ( X16 ) = ( X12 ) ) ) ) ) =>
% 1.10/1.51         ( ( ![X18:$i,X20:$i]:
% 1.10/1.51             ( ( in @ X20 @ ( powerset @ X18 ) ) <=>
% 1.10/1.51               ( ![X22:$i]: ( ( in @ X22 @ X20 ) => ( in @ X22 @ X18 ) ) ) ) ) =>
% 1.10/1.51           ( ( ![X24:$i,X26:$i]:
% 1.10/1.51               ( ( in @ X26 @ ( setunion @ X24 ) ) <=>
% 1.10/1.51                 ( ?[X28:$i]: ( ( in @ X26 @ X28 ) & ( in @ X28 @ X24 ) ) ) ) ) =>
% 1.10/1.51             ( ( in @ emptyset @ omega ) =>
% 1.10/1.51               ( ( ![X30:$i]:
% 1.10/1.51                   ( ( in @ X30 @ omega ) =>
% 1.10/1.51                     ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) ) ) =>
% 1.10/1.51                 ( ( ![X32:$i]:
% 1.10/1.51                     ( ( ( ![X34:$i]:
% 1.10/1.51                           ( ( ( in @ X34 @ X32 ) & ( in @ X34 @ omega ) ) =>
% 1.10/1.51                             ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) ) ) & 
% 1.10/1.51                         ( in @ emptyset @ X32 ) ) =>
% 1.10/1.51                       ( ![X36:$i]:
% 1.10/1.51                         ( ( in @ X36 @ omega ) => ( in @ X36 @ X32 ) ) ) ) ) =>
% 1.10/1.51                   ( ( ![X38:( $i > $i > $o ),X40:$i]:
% 1.10/1.51                       ( ( ![X42:$i]:
% 1.10/1.51                           ( ( in @ X42 @ X40 ) =>
% 1.10/1.51                             ( ?[X44:$i]:
% 1.10/1.51                               ( ( X38 @ X42 @ X44 ) & 
% 1.10/1.51                                 ( ![X46:$i]:
% 1.10/1.51                                   ( ( X38 @ X42 @ X46 ) =>
% 1.10/1.51                                     ( ( X44 ) = ( X46 ) ) ) ) ) ) ) ) =>
% 1.10/1.51                         ( ?[X48:$i]:
% 1.10/1.51                           ( ![X50:$i]:
% 1.10/1.51                             ( ( in @ X50 @ X48 ) <=>
% 1.10/1.51                               ( ?[X52:$i]:
% 1.10/1.51                                 ( ( in @ X52 @ X40 ) & ( X38 @ X52 @ X50 ) ) ) ) ) ) ) ) =>
% 1.10/1.51                     ( ( ![X54:$i]:
% 1.10/1.51                         ( ( ?[X56:$i]: ( in @ X56 @ X54 ) ) =>
% 1.10/1.51                           ( ?[X58:$i]:
% 1.10/1.51                             ( ( in @ X58 @ X54 ) & 
% 1.10/1.51                               ( ~( ?[X60:$i]:
% 1.10/1.51                                    ( ( in @ X60 @ X58 ) & ( in @ X60 @ X54 ) ) ) ) ) ) ) ) =>
% 1.10/1.51                       ( ( ![X62:$i]:
% 1.10/1.51                           ( ?[X64:$i]:
% 1.10/1.51                             ( ( ![X96:$i]:
% 1.10/1.51                                 ( ( in @ X96 @ X64 ) =>
% 1.10/1.51                                   ( ![X98:$i]:
% 1.10/1.51                                     ( ( in @ X98 @ X96 ) => ( in @ X98 @ X62 ) ) ) ) ) & 
% 1.10/1.51                               ( ![X90:$i,X92:$i]:
% 1.10/1.51                                 ( ( ( in @ X92 @ X62 ) & ( in @ X90 @ X62 ) ) =>
% 1.10/1.51                                   ( ( ![X94:$i]:
% 1.10/1.51                                       ( ( in @ X94 @ X64 ) =>
% 1.10/1.51                                         ( ( in @ X90 @ X94 ) <=>
% 1.10/1.51                                           ( in @ X92 @ X94 ) ) ) ) =>
% 1.10/1.51                                     ( ( X90 ) = ( X92 ) ) ) ) ) & 
% 1.10/1.51                               ( ![X82:$i,X84:$i]:
% 1.10/1.51                                 ( ( ( in @ X84 @ X64 ) & ( in @ X82 @ X64 ) ) =>
% 1.10/1.51                                   ( ( ![X88:$i]:
% 1.10/1.51                                       ( ( in @ X88 @ X84 ) =>
% 1.10/1.51                                         ( in @ X88 @ X82 ) ) ) | 
% 1.10/1.51                                     ( ![X86:$i]:
% 1.10/1.51                                       ( ( in @ X86 @ X82 ) =>
% 1.10/1.51                                         ( in @ X86 @ X84 ) ) ) ) ) ) & 
% 1.10/1.51                               ( ![X66:$i]:
% 1.10/1.51                                 ( ( ( ?[X70:$i]: ( in @ X70 @ X66 ) ) & 
% 1.10/1.51                                     ( ![X68:$i]:
% 1.10/1.51                                       ( ( in @ X68 @ X66 ) =>
% 1.10/1.51                                         ( in @ X68 @ X62 ) ) ) ) =>
% 1.10/1.51                                   ( ?[X72:$i,X74:$i]:
% 1.10/1.51                                     ( ( in @ X72 @ X64 ) & 
% 1.10/1.51                                       ( in @ X74 @ X66 ) & 
% 1.10/1.51                                       ( ~( ?[X80:$i]:
% 1.10/1.51                                            ( ( in @ X80 @ X72 ) & 
% 1.10/1.51                                              ( in @ X80 @ X66 ) ) ) ) & 
% 1.10/1.51                                       ( ![X76:$i]:
% 1.10/1.51                                         ( ( in @ X76 @ X64 ) =>
% 1.10/1.51                                           ( ( in @ X74 @ X76 ) | 
% 1.10/1.51                                             ( ![X78:$i]:
% 1.10/1.51                                               ( ( in @ X78 @ X76 ) =>
% 1.10/1.51                                                 ( in @ X78 @ X72 ) ) ) ) ) ) ) ) ) ) ) ) ) =>
% 1.10/1.51                         ( ( ![X100:( $i > $o )]:
% 1.10/1.51                             ( ( ?[X102:$i]:
% 1.10/1.51                                 ( ( X100 @ X102 ) & 
% 1.10/1.51                                   ( ![X104:$i]:
% 1.10/1.51                                     ( ( X100 @ X104 ) =>
% 1.10/1.51                                       ( ( X102 ) = ( X104 ) ) ) ) ) ) =>
% 1.10/1.51                               ( X100 @
% 1.10/1.51                                 ( descr @ ( ^[V_1:$i]: ( X100 @ V_1 ) ) ) ) ) ) =>
% 1.10/1.51                           ( ( ![X106:$i,X108:( $i > $o ),X110:$i]:
% 1.10/1.51                               ( ( in @ X110 @ X106 ) =>
% 1.10/1.51                                 ( ( X108 @ X110 ) =>
% 1.10/1.51                                   ( in @
% 1.10/1.51                                     X110 @ 
% 1.10/1.51                                     ( dsetconstr @
% 1.10/1.51                                       X106 @ ( ^[V_2:$i]: ( X108 @ V_2 ) ) ) ) ) ) ) =>
% 1.10/1.51                             ( ( ![X112:$i,X114:( $i > $o ),X116:$i]:
% 1.10/1.51                                 ( ( in @
% 1.10/1.51                                     X116 @ 
% 1.10/1.51                                     ( dsetconstr @
% 1.10/1.51                                       X112 @ ( ^[V_3:$i]: ( X114 @ V_3 ) ) ) ) =>
% 1.10/1.51                                   ( in @ X116 @ X112 ) ) ) =>
% 1.10/1.51                               ( ( ![X118:$i,X120:( $i > $o ),X122:$i]:
% 1.10/1.51                                   ( ( in @
% 1.10/1.51                                       X122 @ 
% 1.10/1.51                                       ( dsetconstr @
% 1.10/1.51                                         X118 @ ( ^[V_4:$i]: ( X120 @ V_4 ) ) ) ) =>
% 1.10/1.51                                     ( X120 @ X122 ) ) ) =>
% 1.10/1.51                                 ( ( ![X124:( $i > $o )]:
% 1.10/1.51                                     ( ( ?[X126:$i]:
% 1.10/1.51                                         ( ( X124 @ X126 ) & 
% 1.10/1.51                                           ( ![X128:$i]:
% 1.10/1.51                                             ( ( X124 @ X128 ) =>
% 1.10/1.51                                               ( ( X126 ) = ( X128 ) ) ) ) ) ) =>
% 1.10/1.51                                       ( ?[X130:$i]:
% 1.10/1.51                                         ( ( X124 @ X130 ) & 
% 1.10/1.51                                           ( ![X132:$i]:
% 1.10/1.51                                             ( ( X124 @ X132 ) =>
% 1.10/1.51                                               ( ( X130 ) = ( X132 ) ) ) ) ) ) ) ) =>
% 1.10/1.51                                   ( ( ![X134:$o,X136:$i]:
% 1.10/1.51                                       ( ( in @ X136 @ ( prop2set @ X134 ) ) =>
% 1.10/1.51                                         ( X134 ) ) ) =>
% 1.10/1.51                                     ( ( ![X138:$i]:
% 1.10/1.51                                         ( ( in @ X138 @ emptyset ) =>
% 1.10/1.51                                           ( ![X140:$o]: ( X140 ) ) ) ) =>
% 1.10/1.51                                       ( ( ![X142:$i]:
% 1.10/1.51                                           ( ( in @ X142 @ emptyset ) =>
% 1.10/1.51                                             ( $false ) ) ) =>
% 1.10/1.51                                         ( ( ![X144:$i]:
% 1.10/1.51                                             ( ~( in @ X144 @ emptyset ) ) ) =>
% 1.10/1.51                                           ( ( ![X146:( $i > $o )]:
% 1.10/1.51                                               ( ( ?[X148:$i]:
% 1.10/1.51                                                   ( ( X146 @ X148 ) & 
% 1.10/1.51                                                     ( ![X150:$i]:
% 1.10/1.51                                                       ( ( X146 @ X150 ) =>
% 1.10/1.51                                                         ( ( X148 ) = ( X150 ) ) ) ) ) ) =>
% 1.10/1.51                                                 ( ?[X152:$i]: ( X146 @ X152 ) ) ) ) =>
% 1.10/1.51                                             ( ( ![X154:$i,X156:$i]:
% 1.10/1.51                                                 ( ( ![X158:$i]:
% 1.10/1.51                                                     ( ( in @ X158 @ X154 ) =>
% 1.10/1.51                                                       ( in @ X158 @ X156 ) ) ) =>
% 1.10/1.51                                                   ( ( ![X160:$i]:
% 1.10/1.51                                                       ( ( in @ X160 @ X156 ) =>
% 1.10/1.51                                                         ( in @ X160 @ X154 ) ) ) =>
% 1.10/1.51                                                     ( ( X154 ) = ( X156 ) ) ) ) ) =>
% 1.10/1.51                                               ( ( ![X162:$i]:
% 1.10/1.51                                                   ( ( ![X164:$i]:
% 1.10/1.51                                                       ( ~( in @ X164 @ X162 ) ) ) =>
% 1.10/1.51                                                     ( ( X162 ) = ( emptyset ) ) ) ) =>
% 1.10/1.51                                                 ( ( ![X166:$i]:
% 1.10/1.51                                                     ( ( ![X168:$i]:
% 1.10/1.51                                                         ( ~( in @ X168 @ X166 ) ) ) =>
% 1.10/1.51                                                       ( ( X166 ) =
% 1.10/1.51                                                         ( emptyset ) ) ) ) =>
% 1.10/1.51                                                   ( ( ![X170:$i,
% 1.10/1.51                                                         X172:( $i > $o ),
% 1.10/1.51                                                         X174:$i]:
% 1.10/1.51                                                       ( ( in @ X174 @ X170 ) =>
% 1.10/1.51                                                         ( ( in @
% 1.10/1.51                                                             X174 @ 
% 1.10/1.51                                                             ( dsetconstr @
% 1.10/1.51                                                               X170 @ 
% 1.10/1.51                                                               ( ^[V_5:$i]:
% 1.10/1.51                                                                 ( X172 @ V_5 ) ) ) ) <=>
% 1.10/1.51                                                           ( X172 @ X174 ) ) ) ) =>
% 1.10/1.51                                                     ( ( ![X176:$i]:
% 1.10/1.51                                                         ( ( ( X176 ) !=
% 1.10/1.51                                                             ( emptyset ) ) =>
% 1.10/1.51                                                           ( ?[X178:$i]:
% 1.10/1.51                                                             ( in @ X178 @ X176 ) ) ) ) =>
% 1.10/1.51                                                       ( ( ![X180:$i,
% 1.10/1.51                                                             X182:( $i > $o ),
% 1.10/1.51                                                             X184:$i]:
% 1.10/1.51                                                           ( ( in @ X184 @ X180 ) =>
% 1.10/1.51                                                             ( ( X182 @ X184 ) =>
% 1.10/1.51                                                               ( ( dsetconstr @
% 1.10/1.51                                                                   X180 @ 
% 1.10/1.51                                                                   ( ^[
% 1.10/1.51                                                                     V_6:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X182 @ V_6 ) ) ) !=
% 1.10/1.51                                                                 ( emptyset ) ) ) ) ) =>
% 1.10/1.51                                                         ( ( ![X186:$i]:
% 1.10/1.51                                                             ( ( ?[X188:$i]:
% 1.10/1.51                                                                 ( in @
% 1.10/1.51                                                                   X188 @ X186 ) ) =>
% 1.10/1.51                                                               ( ( X186 ) !=
% 1.10/1.51                                                                 ( emptyset ) ) ) ) =>
% 1.10/1.51                                                           ( ( ![X190:$i,
% 1.10/1.51                                                                 X192:$i]:
% 1.10/1.51                                                               ( in @
% 1.10/1.51                                                                 X190 @ 
% 1.10/1.51                                                                 ( setadjoin @
% 1.10/1.51                                                                   X190 @ X192 ) ) ) =>
% 1.10/1.51                                                             ( ( in @
% 1.10/1.51                                                                 emptyset @ 
% 1.10/1.51                                                                 ( setadjoin @
% 1.10/1.51                                                                   emptyset @ 
% 1.10/1.51                                                                   emptyset ) ) =>
% 1.10/1.51                                                               ( ( ![X194:$i,
% 1.10/1.51                                                                     X196:$i,
% 1.10/1.51                                                                     X198:$i]:
% 1.10/1.51                                                                   ( ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X198 @ 
% 1.10/1.51                                                                     X196 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X198 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X194 @ 
% 1.10/1.51                                                                     X196 ) ) ) ) =>
% 1.10/1.51                                                                 ( ( ![
% 1.10/1.51                                                                     X200:$i,
% 1.10/1.51                                                                     X202:$i,
% 1.10/1.51                                                                     X204:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X204 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X200 @ 
% 1.10/1.51                                                                     X202 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X206:$o]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X204 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X200 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X206 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X204 @ 
% 1.10/1.51                                                                     X202 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X206 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X206 ) ) ) ) ) ) =>
% 1.10/1.51                                                                   ( ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X208:$i,
% 1.10/1.51                                                                     X210:$i,
% 1.10/1.51                                                                     X212:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X212 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X208 @ 
% 1.10/1.51                                                                     X210 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X212 @ 
% 1.10/1.51                                                                     X210 ) | 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X212 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X208 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X214:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     dsetconstr
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X214 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ^[
% 1.10/1.51                                                                     V_7:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     $true ) ) ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X214 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X216:$i,
% 1.10/1.51                                                                     X218:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X220:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X220 @ 
% 1.10/1.51                                                                     X218 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X220 @ 
% 1.10/1.51                                                                     X216 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X218 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     X216 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X222:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     emptyset @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     X222 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X224:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     emptyset @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     X224 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X226:$i,
% 1.10/1.51                                                                     X228:$i,
% 1.10/1.51                                                                     X230:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X228 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     X226 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X230 @ 
% 1.10/1.51                                                                     X228 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X230 @ 
% 1.10/1.51                                                                     X226 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X232:$i,
% 1.10/1.51                                                                     X234:$i,
% 1.10/1.51                                                                     X236:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X234 @ 
% 1.10/1.51                                                                     X236 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X236 @ 
% 1.10/1.51                                                                     X232 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X234 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setunion @
% 1.10/1.51                                                                     X232 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X238:$i,
% 1.10/1.51                                                                     X240:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X240 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setunion @
% 1.10/1.51                                                                     X238 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X242:$o]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X244:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X240 @ 
% 1.10/1.51                                                                     X244 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X244 @ 
% 1.10/1.51                                                                     X238 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X242 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X242 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X246:$i,
% 1.10/1.51                                                                     X248:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X248 @ 
% 1.10/1.51                                                                     X246 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X248 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setunion @
% 1.10/1.51                                                                     X246 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X250:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X252:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X250 @
% 1.10/1.51                                                                     X252 ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X254:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X250 @
% 1.10/1.51                                                                     X254 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X252 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X254 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X256:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X258:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X250 @
% 1.10/1.51                                                                     X258 ) <=>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X258 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X256 ) ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X260:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X260 ) !=
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     emptyset ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X262:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X262 @ 
% 1.10/1.51                                                                     X260 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X264:$i,
% 1.10/1.51                                                                     X266:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X264 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X266 @ 
% 1.10/1.51                                                                     emptyset ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X264 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X266 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X268:$i,
% 1.10/1.51                                                                     X270:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X268 ) !=
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X270 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X270 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X268 @ 
% 1.10/1.51                                                                      emptyset ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X272:$i,
% 1.10/1.51                                                                     X274:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X272 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X274 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X272 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X274 @ 
% 1.10/1.51                                                                     emptyset ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X276:$i,
% 1.10/1.51                                                                     X278:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X276 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X278 @ 
% 1.10/1.51                                                                     emptyset ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X278 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X276 @ 
% 1.10/1.51                                                                     emptyset ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X280:$i,
% 1.10/1.51                                                                     X282:$i,
% 1.10/1.51                                                                     X284:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X284 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X280 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X282 @ 
% 1.10/1.51                                                                     emptyset ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X284 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X282 ) ) | 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X284 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X280 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X286:$i,
% 1.10/1.51                                                                     X288:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X286 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X286 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X288 @ 
% 1.10/1.51                                                                     emptyset ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X290:$i,
% 1.10/1.51                                                                     X292:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X292 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X290 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X292 @ 
% 1.10/1.51                                                                     emptyset ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X294:$i,
% 1.10/1.51                                                                     X296:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X298:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X298 @ 
% 1.10/1.51                                                                     X294 ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X296 @
% 1.10/1.51                                                                     X298 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     dsetconstr
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X294 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ^[
% 1.10/1.51                                                                     V_8:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X296 @ V_8 ) ) ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     emptyset ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     $false ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X300:( 
% 1.10/1.51                                                                     $i > $o ),
% 1.10/1.51                                                                     X302:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X302 @ 
% 1.10/1.51                                                                     emptyset ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X300 @
% 1.10/1.51                                                                     X302 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X304:$i,
% 1.10/1.51                                                                     X306:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X308:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X308 @ 
% 1.10/1.51                                                                      X304 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X306 @
% 1.10/1.51                                                                      X308 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X310:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X310 @ 
% 1.10/1.51                                                                     X304 ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X306 @
% 1.10/1.51                                                                      X310 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X312:$i,
% 1.10/1.51                                                                     X314:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X316:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X316 @ 
% 1.10/1.51                                                                     X312 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X314 @
% 1.10/1.51                                                                      X316 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X318:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X318 @ 
% 1.10/1.51                                                                      X312 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X314 @
% 1.10/1.51                                                                      X318 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X320:$i,
% 1.10/1.51                                                                     X322:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X324:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X324 @ 
% 1.10/1.51                                                                      X320 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X322 @
% 1.10/1.51                                                                      X324 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X326:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X326 @ 
% 1.10/1.51                                                                     X320 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X322 @
% 1.10/1.51                                                                      X326 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X328:$i,
% 1.10/1.51                                                                     X330:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X332:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X332 @ 
% 1.10/1.51                                                                     X328 ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X330 @
% 1.10/1.51                                                                      X332 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X334:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X334 @ 
% 1.10/1.51                                                                      X328 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X330 @
% 1.10/1.51                                                                      X334 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X336:$o]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X336 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     emptyset @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     prop2set @
% 1.10/1.51                                                                     X336 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X338:$o]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X338 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     set2prop @
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     prop2set @
% 1.10/1.51                                                                     X338 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X340:$i,
% 1.10/1.51                                                                     X342:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X344:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X344 @ 
% 1.10/1.51                                                                      X340 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X342 @
% 1.10/1.51                                                                      X344 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X346:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X346 @ 
% 1.10/1.51                                                                     X340 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X342 @
% 1.10/1.51                                                                      X346 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X348:$i,
% 1.10/1.51                                                                     X350:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X352:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X352 @ 
% 1.10/1.51                                                                      X348 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X350 @
% 1.10/1.51                                                                      X352 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X354:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X354 @ 
% 1.10/1.51                                                                     X348 ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X350 @
% 1.10/1.51                                                                      X354 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X356:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X358:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X356 @
% 1.10/1.51                                                                     X358 ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X360:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X356 @
% 1.10/1.51                                                                     X360 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X358 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X360 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X362:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X356 @
% 1.10/1.51                                                                     X362 ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X364:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X356 @
% 1.10/1.51                                                                     X364 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X362 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X364 ) ) ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X366:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X368:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X368 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X370:$i,
% 1.10/1.51                                                                     X372:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X370 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X372 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X370 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X372 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X374:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X374 ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X376:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X376 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X374 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X376 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ))).
% 1.10/1.51  thf(zf_stmt_1, type, zip_tseitin_3 : $i > $i > $i > ( $i > $i > $o ) > $o).
% 1.10/1.51  thf(zf_stmt_2, axiom,
% 1.10/1.51    (![X52:$i,X50:$i,X40:$i,X38:( $i > $i > $o )]:
% 1.10/1.51     ( ( zip_tseitin_3 @ X52 @ X50 @ X40 @ X38 ) <=>
% 1.10/1.51       ( ( X38 @ X52 @ X50 ) & ( in @ X52 @ X40 ) ) ))).
% 1.10/1.51  thf(zf_stmt_3, type, zip_tseitin_2 : $i > $i > $i > $o).
% 1.10/1.51  thf(zf_stmt_4, axiom,
% 1.10/1.51    (![X28:$i,X26:$i,X24:$i]:
% 1.10/1.51     ( ( zip_tseitin_2 @ X28 @ X26 @ X24 ) <=>
% 1.10/1.51       ( ( in @ X28 @ X24 ) & ( in @ X26 @ X28 ) ) ))).
% 1.10/1.51  thf(zf_stmt_5, type, zip_tseitin_1 : $i > $i > $i > $o).
% 1.10/1.51  thf(zf_stmt_6, axiom,
% 1.10/1.51    (![X22:$i,X20:$i,X18:$i]:
% 1.10/1.51     ( ( zip_tseitin_1 @ X22 @ X20 @ X18 ) <=>
% 1.10/1.51       ( ( in @ X22 @ X20 ) => ( in @ X22 @ X18 ) ) ))).
% 1.10/1.51  thf(zf_stmt_7, type, zip_tseitin_0 : $i > $i > $i > $o).
% 1.10/1.51  thf(zf_stmt_8, axiom,
% 1.10/1.51    (![X16:$i,X14:$i,X12:$i]:
% 1.10/1.51     ( ( zip_tseitin_0 @ X16 @ X14 @ X12 ) <=>
% 1.10/1.51       ( ( ( X16 ) = ( X12 ) ) | ( in @ X16 @ X14 ) ) ))).
% 1.10/1.51  thf(zf_stmt_9, conjecture,
% 1.10/1.51    (( ![X4:$i,X6:$i]:
% 1.10/1.51       ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.10/1.51         ( ( X4 ) = ( X6 ) ) ) ) =>
% 1.10/1.51     ( ( ![X10:$i]: ( ~( in @ X10 @ emptyset ) ) ) =>
% 1.10/1.51       ( ( ![X12:$i,X14:$i,X16:$i]:
% 1.10/1.51           ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) ) <=>
% 1.10/1.51             ( zip_tseitin_0 @ X16 @ X14 @ X12 ) ) ) =>
% 1.10/1.51         ( ( ![X18:$i,X20:$i]:
% 1.10/1.51             ( ( in @ X20 @ ( powerset @ X18 ) ) <=>
% 1.10/1.51               ( ![X22:$i]: ( zip_tseitin_1 @ X22 @ X20 @ X18 ) ) ) ) =>
% 1.10/1.51           ( ( ![X24:$i,X26:$i]:
% 1.10/1.51               ( ( in @ X26 @ ( setunion @ X24 ) ) <=>
% 1.10/1.51                 ( ?[X28:$i]: ( zip_tseitin_2 @ X28 @ X26 @ X24 ) ) ) ) =>
% 1.10/1.51             ( ( in @ emptyset @ omega ) =>
% 1.10/1.51               ( ( ![X30:$i]:
% 1.10/1.51                   ( ( in @ X30 @ omega ) =>
% 1.10/1.51                     ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) ) ) =>
% 1.10/1.51                 ( ( ![X32:$i]:
% 1.10/1.51                     ( ( ( in @ emptyset @ X32 ) & 
% 1.10/1.51                         ( ![X34:$i]:
% 1.10/1.51                           ( ( ( in @ X34 @ omega ) & ( in @ X34 @ X32 ) ) =>
% 1.10/1.51                             ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) ) ) ) =>
% 1.10/1.51                       ( ![X36:$i]:
% 1.10/1.51                         ( ( in @ X36 @ omega ) => ( in @ X36 @ X32 ) ) ) ) ) =>
% 1.10/1.51                   ( ( ![X38:( $i > $i > $o ),X40:$i]:
% 1.10/1.51                       ( ( ![X42:$i]:
% 1.10/1.51                           ( ( in @ X42 @ X40 ) =>
% 1.10/1.51                             ( ?[X44:$i]:
% 1.10/1.51                               ( ( ![X46:$i]:
% 1.10/1.51                                   ( ( X38 @ X42 @ X46 ) =>
% 1.10/1.51                                     ( ( X44 ) = ( X46 ) ) ) ) & 
% 1.10/1.51                                 ( X38 @ X42 @ X44 ) ) ) ) ) =>
% 1.10/1.51                         ( ?[X48:$i]:
% 1.10/1.51                           ( ![X50:$i]:
% 1.10/1.51                             ( ( in @ X50 @ X48 ) <=>
% 1.10/1.51                               ( ?[X52:$i]:
% 1.10/1.51                                 ( zip_tseitin_3 @ X52 @ X50 @ X40 @ X38 ) ) ) ) ) ) ) =>
% 1.10/1.51                     ( ( ![X54:$i]:
% 1.10/1.51                         ( ( ?[X56:$i]: ( in @ X56 @ X54 ) ) =>
% 1.10/1.51                           ( ?[X58:$i]:
% 1.10/1.51                             ( ( ~( ?[X60:$i]:
% 1.10/1.51                                    ( ( in @ X60 @ X54 ) & ( in @ X60 @ X58 ) ) ) ) & 
% 1.10/1.51                               ( in @ X58 @ X54 ) ) ) ) ) =>
% 1.10/1.51                       ( ( ![X62:$i]:
% 1.10/1.51                           ( ?[X64:$i]:
% 1.10/1.51                             ( ( ![X66:$i]:
% 1.10/1.51                                 ( ( ( ![X68:$i]:
% 1.10/1.51                                       ( ( in @ X68 @ X66 ) =>
% 1.10/1.51                                         ( in @ X68 @ X62 ) ) ) & 
% 1.10/1.51                                     ( ?[X70:$i]: ( in @ X70 @ X66 ) ) ) =>
% 1.10/1.51                                   ( ?[X72:$i,X74:$i]:
% 1.10/1.51                                     ( ( ![X76:$i]:
% 1.10/1.51                                         ( ( in @ X76 @ X64 ) =>
% 1.10/1.51                                           ( ( ![X78:$i]:
% 1.10/1.51                                               ( ( in @ X78 @ X76 ) =>
% 1.10/1.51                                                 ( in @ X78 @ X72 ) ) ) | 
% 1.10/1.51                                             ( in @ X74 @ X76 ) ) ) ) & 
% 1.10/1.51                                       ( ~( ?[X80:$i]:
% 1.10/1.51                                            ( ( in @ X80 @ X66 ) & 
% 1.10/1.51                                              ( in @ X80 @ X72 ) ) ) ) & 
% 1.10/1.51                                       ( in @ X74 @ X66 ) & ( in @ X72 @ X64 ) ) ) ) ) & 
% 1.10/1.51                               ( ![X82:$i,X84:$i]:
% 1.10/1.51                                 ( ( ( in @ X82 @ X64 ) & ( in @ X84 @ X64 ) ) =>
% 1.10/1.51                                   ( ( ![X86:$i]:
% 1.10/1.51                                       ( ( in @ X86 @ X82 ) =>
% 1.10/1.51                                         ( in @ X86 @ X84 ) ) ) | 
% 1.10/1.51                                     ( ![X88:$i]:
% 1.10/1.51                                       ( ( in @ X88 @ X84 ) =>
% 1.10/1.51                                         ( in @ X88 @ X82 ) ) ) ) ) ) & 
% 1.10/1.51                               ( ![X90:$i,X92:$i]:
% 1.10/1.51                                 ( ( ( in @ X90 @ X62 ) & ( in @ X92 @ X62 ) ) =>
% 1.10/1.51                                   ( ( ![X94:$i]:
% 1.10/1.51                                       ( ( in @ X94 @ X64 ) =>
% 1.10/1.51                                         ( ( in @ X90 @ X94 ) <=>
% 1.10/1.51                                           ( in @ X92 @ X94 ) ) ) ) =>
% 1.10/1.51                                     ( ( X90 ) = ( X92 ) ) ) ) ) & 
% 1.10/1.51                               ( ![X96:$i]:
% 1.10/1.51                                 ( ( in @ X96 @ X64 ) =>
% 1.10/1.51                                   ( ![X98:$i]:
% 1.10/1.51                                     ( ( in @ X98 @ X96 ) => ( in @ X98 @ X62 ) ) ) ) ) ) ) ) =>
% 1.10/1.51                         ( ( ![X100:( $i > $o )]:
% 1.10/1.51                             ( ( ?[X102:$i]:
% 1.10/1.51                                 ( ( ![X104:$i]:
% 1.10/1.51                                     ( ( X100 @ X104 ) =>
% 1.10/1.51                                       ( ( X102 ) = ( X104 ) ) ) ) & 
% 1.10/1.51                                   ( X100 @ X102 ) ) ) =>
% 1.10/1.51                               ( X100 @
% 1.10/1.51                                 ( descr @ ( ^[V_1:$i]: ( X100 @ V_1 ) ) ) ) ) ) =>
% 1.10/1.51                           ( ( ![X106:$i,X108:( $i > $o ),X110:$i]:
% 1.10/1.51                               ( ( in @ X110 @ X106 ) =>
% 1.10/1.51                                 ( ( X108 @ X110 ) =>
% 1.10/1.51                                   ( in @
% 1.10/1.51                                     X110 @ 
% 1.10/1.51                                     ( dsetconstr @
% 1.10/1.51                                       X106 @ ( ^[V_2:$i]: ( X108 @ V_2 ) ) ) ) ) ) ) =>
% 1.10/1.51                             ( ( ![X112:$i,X114:( $i > $o ),X116:$i]:
% 1.10/1.51                                 ( ( in @
% 1.10/1.51                                     X116 @ 
% 1.10/1.51                                     ( dsetconstr @
% 1.10/1.51                                       X112 @ ( ^[V_3:$i]: ( X114 @ V_3 ) ) ) ) =>
% 1.10/1.51                                   ( in @ X116 @ X112 ) ) ) =>
% 1.10/1.51                               ( ( ![X118:$i,X120:( $i > $o ),X122:$i]:
% 1.10/1.51                                   ( ( in @
% 1.10/1.51                                       X122 @ 
% 1.10/1.51                                       ( dsetconstr @
% 1.10/1.51                                         X118 @ ( ^[V_4:$i]: ( X120 @ V_4 ) ) ) ) =>
% 1.10/1.51                                     ( X120 @ X122 ) ) ) =>
% 1.10/1.51                                 ( ( ![X124:( $i > $o )]:
% 1.10/1.51                                     ( ( ?[X126:$i]:
% 1.10/1.51                                         ( ( ![X128:$i]:
% 1.10/1.51                                             ( ( X124 @ X128 ) =>
% 1.10/1.51                                               ( ( X126 ) = ( X128 ) ) ) ) & 
% 1.10/1.51                                           ( X124 @ X126 ) ) ) =>
% 1.10/1.51                                       ( ?[X130:$i]:
% 1.10/1.51                                         ( ( ![X132:$i]:
% 1.10/1.51                                             ( ( X124 @ X132 ) =>
% 1.10/1.51                                               ( ( X130 ) = ( X132 ) ) ) ) & 
% 1.10/1.51                                           ( X124 @ X130 ) ) ) ) ) =>
% 1.10/1.51                                   ( ( ![X134:$o,X136:$i]:
% 1.10/1.51                                       ( ( in @ X136 @ ( prop2set @ X134 ) ) =>
% 1.10/1.51                                         ( X134 ) ) ) =>
% 1.10/1.51                                     ( ( ![X138:$i]:
% 1.10/1.51                                         ( ( in @ X138 @ emptyset ) =>
% 1.10/1.51                                           ( ![X140:$o]: ( X140 ) ) ) ) =>
% 1.10/1.51                                       ( ( ![X142:$i]:
% 1.10/1.51                                           ( ~( in @ X142 @ emptyset ) ) ) =>
% 1.10/1.51                                         ( ( ![X144:$i]:
% 1.10/1.51                                             ( ~( in @ X144 @ emptyset ) ) ) =>
% 1.10/1.51                                           ( ( ![X146:( $i > $o )]:
% 1.10/1.51                                               ( ( ?[X148:$i]:
% 1.10/1.51                                                   ( ( ![X150:$i]:
% 1.10/1.51                                                       ( ( X146 @ X150 ) =>
% 1.10/1.51                                                         ( ( X148 ) = ( X150 ) ) ) ) & 
% 1.10/1.51                                                     ( X146 @ X148 ) ) ) =>
% 1.10/1.51                                                 ( ?[X152:$i]: ( X146 @ X152 ) ) ) ) =>
% 1.10/1.51                                             ( ( ![X154:$i,X156:$i]:
% 1.10/1.51                                                 ( ( ![X158:$i]:
% 1.10/1.51                                                     ( ( in @ X158 @ X154 ) =>
% 1.10/1.51                                                       ( in @ X158 @ X156 ) ) ) =>
% 1.10/1.51                                                   ( ( ![X160:$i]:
% 1.10/1.51                                                       ( ( in @ X160 @ X156 ) =>
% 1.10/1.51                                                         ( in @ X160 @ X154 ) ) ) =>
% 1.10/1.51                                                     ( ( X154 ) = ( X156 ) ) ) ) ) =>
% 1.10/1.51                                               ( ( ![X162:$i]:
% 1.10/1.51                                                   ( ( ![X164:$i]:
% 1.10/1.51                                                       ( ~( in @ X164 @ X162 ) ) ) =>
% 1.10/1.51                                                     ( ( X162 ) = ( emptyset ) ) ) ) =>
% 1.10/1.51                                                 ( ( ![X166:$i]:
% 1.10/1.51                                                     ( ( ![X168:$i]:
% 1.10/1.51                                                         ( ~( in @ X168 @ X166 ) ) ) =>
% 1.10/1.51                                                       ( ( X166 ) =
% 1.10/1.51                                                         ( emptyset ) ) ) ) =>
% 1.10/1.51                                                   ( ( ![X170:$i,
% 1.10/1.51                                                         X172:( $i > $o ),
% 1.10/1.51                                                         X174:$i]:
% 1.10/1.51                                                       ( ( in @ X174 @ X170 ) =>
% 1.10/1.51                                                         ( ( in @
% 1.10/1.51                                                             X174 @ 
% 1.10/1.51                                                             ( dsetconstr @
% 1.10/1.51                                                               X170 @ 
% 1.10/1.51                                                               ( ^[V_5:$i]:
% 1.10/1.51                                                                 ( X172 @ V_5 ) ) ) ) <=>
% 1.10/1.51                                                           ( X172 @ X174 ) ) ) ) =>
% 1.10/1.51                                                     ( ( ![X176:$i]:
% 1.10/1.51                                                         ( ( ( X176 ) !=
% 1.10/1.51                                                             ( emptyset ) ) =>
% 1.10/1.51                                                           ( ?[X178:$i]:
% 1.10/1.51                                                             ( in @ X178 @ X176 ) ) ) ) =>
% 1.10/1.51                                                       ( ( ![X180:$i,
% 1.10/1.51                                                             X182:( $i > $o ),
% 1.10/1.51                                                             X184:$i]:
% 1.10/1.51                                                           ( ( in @ X184 @ X180 ) =>
% 1.10/1.51                                                             ( ( X182 @ X184 ) =>
% 1.10/1.51                                                               ( ( dsetconstr @
% 1.10/1.51                                                                   X180 @ 
% 1.10/1.51                                                                   ( ^[
% 1.10/1.51                                                                     V_6:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X182 @ V_6 ) ) ) !=
% 1.10/1.51                                                                 ( emptyset ) ) ) ) ) =>
% 1.10/1.51                                                         ( ( ![X186:$i]:
% 1.10/1.51                                                             ( ( ?[X188:$i]:
% 1.10/1.51                                                                 ( in @
% 1.10/1.51                                                                   X188 @ X186 ) ) =>
% 1.10/1.51                                                               ( ( X186 ) !=
% 1.10/1.51                                                                 ( emptyset ) ) ) ) =>
% 1.10/1.51                                                           ( ( ![X190:$i,
% 1.10/1.51                                                                 X192:$i]:
% 1.10/1.51                                                               ( in @
% 1.10/1.51                                                                 X190 @ 
% 1.10/1.51                                                                 ( setadjoin @
% 1.10/1.51                                                                   X190 @ X192 ) ) ) =>
% 1.10/1.51                                                             ( ( in @
% 1.10/1.51                                                                 emptyset @ 
% 1.10/1.51                                                                 ( setadjoin @
% 1.10/1.51                                                                   emptyset @ 
% 1.10/1.51                                                                   emptyset ) ) =>
% 1.10/1.51                                                               ( ( ![X194:$i,
% 1.10/1.51                                                                     X196:$i,
% 1.10/1.51                                                                     X198:$i]:
% 1.10/1.51                                                                   ( ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X198 @ 
% 1.10/1.51                                                                     X196 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X198 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X194 @ 
% 1.10/1.51                                                                     X196 ) ) ) ) =>
% 1.10/1.51                                                                 ( ( ![
% 1.10/1.51                                                                     X200:$i,
% 1.10/1.51                                                                     X202:$i,
% 1.10/1.51                                                                     X204:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X204 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X200 @ 
% 1.10/1.51                                                                     X202 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X206:$o]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X204 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X200 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X206 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X204 @ 
% 1.10/1.51                                                                     X202 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X206 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X206 ) ) ) ) ) ) =>
% 1.10/1.51                                                                   ( ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X208:$i,
% 1.10/1.51                                                                     X210:$i,
% 1.10/1.51                                                                     X212:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X212 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X208 @ 
% 1.10/1.51                                                                     X210 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X212 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X208 ) ) | 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X212 @ 
% 1.10/1.51                                                                     X210 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X214:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     dsetconstr
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X214 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ^[
% 1.10/1.51                                                                     V_7:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     $true ) ) ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X214 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X216:$i,
% 1.10/1.51                                                                     X218:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X220:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X220 @ 
% 1.10/1.51                                                                     X218 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X220 @ 
% 1.10/1.51                                                                     X216 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X218 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     X216 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X222:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     emptyset @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     X222 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X224:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     emptyset @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     X224 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X226:$i,
% 1.10/1.51                                                                     X228:$i,
% 1.10/1.51                                                                     X230:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X228 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     X226 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X230 @ 
% 1.10/1.51                                                                     X228 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X230 @ 
% 1.10/1.51                                                                     X226 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X232:$i,
% 1.10/1.51                                                                     X234:$i,
% 1.10/1.51                                                                     X236:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X234 @ 
% 1.10/1.51                                                                     X236 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X236 @ 
% 1.10/1.51                                                                     X232 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X234 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setunion @
% 1.10/1.51                                                                     X232 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X238:$i,
% 1.10/1.51                                                                     X240:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X240 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setunion @
% 1.10/1.51                                                                     X238 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X242:$o]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X244:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X240 @ 
% 1.10/1.51                                                                     X244 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X244 @ 
% 1.10/1.51                                                                     X238 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X242 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X242 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X246:$i,
% 1.10/1.51                                                                     X248:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X248 @ 
% 1.10/1.51                                                                     X246 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X248 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     powerset @
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setunion @
% 1.10/1.51                                                                     X246 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X250:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X252:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X254:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X250 @
% 1.10/1.51                                                                     X254 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X252 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X254 ) ) ) ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X250 @
% 1.10/1.51                                                                     X252 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X256:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X258:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X250 @
% 1.10/1.51                                                                     X258 ) <=>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X258 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X256 ) ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X260:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X260 ) !=
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     emptyset ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X262:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X262 @ 
% 1.10/1.51                                                                     X260 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X264:$i,
% 1.10/1.51                                                                     X266:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X264 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X266 @ 
% 1.10/1.51                                                                     emptyset ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X264 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X266 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X268:$i,
% 1.10/1.51                                                                     X270:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X268 ) !=
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X270 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X270 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X268 @ 
% 1.10/1.51                                                                      emptyset ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X272:$i,
% 1.10/1.51                                                                     X274:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X272 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X274 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X272 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X274 @ 
% 1.10/1.51                                                                     emptyset ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X276:$i,
% 1.10/1.51                                                                     X278:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X276 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X278 @ 
% 1.10/1.51                                                                     emptyset ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X278 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X276 @ 
% 1.10/1.51                                                                     emptyset ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X280:$i,
% 1.10/1.51                                                                     X282:$i,
% 1.10/1.51                                                                     X284:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X284 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X280 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X282 @ 
% 1.10/1.51                                                                     emptyset ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X284 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X280 ) ) | 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X284 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X282 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X286:$i,
% 1.10/1.51                                                                     X288:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X286 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X286 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X288 @ 
% 1.10/1.51                                                                     emptyset ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X290:$i,
% 1.10/1.51                                                                     X292:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X292 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X290 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     setadjoin
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X292 @ 
% 1.10/1.51                                                                     emptyset ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X294:$i,
% 1.10/1.51                                                                     X296:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X298:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X296 @
% 1.10/1.51                                                                     X298 ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X298 @ 
% 1.10/1.51                                                                     X294 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     dsetconstr
% 1.10/1.51                                                                     @
% 1.10/1.51                                                                     X294 @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ^[
% 1.10/1.51                                                                     V_8:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X296 @ V_8 ) ) ) !=
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     emptyset ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X300:( 
% 1.10/1.51                                                                     $i > $o ),
% 1.10/1.51                                                                     X302:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X302 @ 
% 1.10/1.51                                                                     emptyset ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X300 @
% 1.10/1.51                                                                     X302 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X304:$i,
% 1.10/1.51                                                                     X306:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X308:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X308 @ 
% 1.10/1.51                                                                      X304 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X306 @
% 1.10/1.51                                                                      X308 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X310:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X306 @
% 1.10/1.51                                                                      X310 ) ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X310 @ 
% 1.10/1.51                                                                     X304 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X312:$i,
% 1.10/1.51                                                                     X314:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X316:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X316 @ 
% 1.10/1.51                                                                     X312 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X314 @
% 1.10/1.51                                                                      X316 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X318:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X314 @
% 1.10/1.51                                                                      X318 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X318 @ 
% 1.10/1.51                                                                      X312 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X320:$i,
% 1.10/1.51                                                                     X322:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X324:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X322 @
% 1.10/1.51                                                                      X324 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X324 @ 
% 1.10/1.51                                                                      X320 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X326:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X326 @ 
% 1.10/1.51                                                                     X320 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X322 @
% 1.10/1.51                                                                      X326 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X328:$i,
% 1.10/1.51                                                                     X330:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X332:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X330 @
% 1.10/1.51                                                                      X332 ) ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X332 @ 
% 1.10/1.51                                                                     X328 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X334:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X334 @ 
% 1.10/1.51                                                                      X328 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X330 @
% 1.10/1.51                                                                      X334 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X336:$o]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X336 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     emptyset @ 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     prop2set @
% 1.10/1.51                                                                     X336 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X338:$o]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X338 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     set2prop @
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     prop2set @
% 1.10/1.51                                                                     X338 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X340:$i,
% 1.10/1.51                                                                     X342:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X344:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X342 @
% 1.10/1.51                                                                      X344 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X344 @ 
% 1.10/1.51                                                                      X340 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X346:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X346 @ 
% 1.10/1.51                                                                     X340 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X342 @
% 1.10/1.51                                                                      X346 ) ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X348:$i,
% 1.10/1.51                                                                     X350:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X352:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X352 @ 
% 1.10/1.51                                                                      X348 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X350 @
% 1.10/1.51                                                                      X352 ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X354:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ~( 
% 1.10/1.51                                                                      X350 @
% 1.10/1.51                                                                      X354 ) ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     in @
% 1.10/1.51                                                                     X354 @ 
% 1.10/1.51                                                                     X348 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X356:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X358:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X360:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X356 @
% 1.10/1.51                                                                     X360 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X358 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X360 ) ) ) ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X356 @
% 1.10/1.51                                                                     X358 ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X362:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X364:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X356 @
% 1.10/1.51                                                                     X364 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X362 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X364 ) ) ) ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X356 @
% 1.10/1.51                                                                     X362 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X366:( 
% 1.10/1.51                                                                     $i > $o )]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X368:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X368 ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X370:$i,
% 1.10/1.51                                                                     X372:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X370 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X372 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X370 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X372 ) ) ) ) ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ?[
% 1.10/1.51                                                                     X374:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ![
% 1.10/1.51                                                                     X376:$i]:
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X376 ) =>
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X374 ) =
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X376 ) ) ) ) & 
% 1.10/1.51                                                                     ( 
% 1.10/1.51                                                                     X366 @
% 1.10/1.51                                                                     X374 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ))).
% 1.10/1.51  thf(zf_stmt_10, negated_conjecture,
% 1.10/1.51    (~( ( ![X4:$i,X6:$i]:
% 1.10/1.51          ( ( ![X8:$i]: ( ( in @ X8 @ X4 ) <=> ( in @ X8 @ X6 ) ) ) =>
% 1.10/1.51            ( ( X4 ) = ( X6 ) ) ) ) =>
% 1.10/1.51        ( ( ![X10:$i]: ( ~( in @ X10 @ emptyset ) ) ) =>
% 1.10/1.51          ( ( ![X12:$i,X14:$i,X16:$i]:
% 1.10/1.51              ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) ) <=>
% 1.10/1.51                ( zip_tseitin_0 @ X16 @ X14 @ X12 ) ) ) =>
% 1.10/1.51            ( ( ![X18:$i,X20:$i]:
% 1.10/1.51                ( ( in @ X20 @ ( powerset @ X18 ) ) <=>
% 1.10/1.51                  ( ![X22:$i]: ( zip_tseitin_1 @ X22 @ X20 @ X18 ) ) ) ) =>
% 1.10/1.51              ( ( ![X24:$i,X26:$i]:
% 1.10/1.51                  ( ( in @ X26 @ ( setunion @ X24 ) ) <=>
% 1.10/1.51                    ( ?[X28:$i]: ( zip_tseitin_2 @ X28 @ X26 @ X24 ) ) ) ) =>
% 1.10/1.51                ( ( in @ emptyset @ omega ) =>
% 1.10/1.51                  ( ( ![X30:$i]:
% 1.10/1.51                      ( ( in @ X30 @ omega ) =>
% 1.10/1.51                        ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) ) ) =>
% 1.10/1.51                    ( ( ![X32:$i]:
% 1.10/1.51                        ( ( ( in @ emptyset @ X32 ) & 
% 1.10/1.51                            ( ![X34:$i]:
% 1.10/1.51                              ( ( ( in @ X34 @ omega ) & ( in @ X34 @ X32 ) ) =>
% 1.10/1.51                                ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) ) ) ) =>
% 1.10/1.51                          ( ![X36:$i]:
% 1.10/1.51                            ( ( in @ X36 @ omega ) => ( in @ X36 @ X32 ) ) ) ) ) =>
% 1.10/1.51                      ( ( ![X38:( $i > $i > $o ),X40:$i]:
% 1.10/1.51                          ( ( ![X42:$i]:
% 1.10/1.51                              ( ( in @ X42 @ X40 ) =>
% 1.10/1.51                                ( ?[X44:$i]:
% 1.10/1.51                                  ( ( ![X46:$i]:
% 1.10/1.51                                      ( ( X38 @ X42 @ X46 ) =>
% 1.10/1.51                                        ( ( X44 ) = ( X46 ) ) ) ) & 
% 1.10/1.51                                    ( X38 @ X42 @ X44 ) ) ) ) ) =>
% 1.10/1.51                            ( ?[X48:$i]:
% 1.10/1.51                              ( ![X50:$i]:
% 1.10/1.51                                ( ( in @ X50 @ X48 ) <=>
% 1.10/1.51                                  ( ?[X52:$i]:
% 1.10/1.51                                    ( zip_tseitin_3 @ X52 @ X50 @ X40 @ X38 ) ) ) ) ) ) ) =>
% 1.10/1.51                        ( ( ![X54:$i]:
% 1.10/1.51                            ( ( ?[X56:$i]: ( in @ X56 @ X54 ) ) =>
% 1.10/1.51                              ( ?[X58:$i]:
% 1.10/1.51                                ( ( ~( ?[X60:$i]:
% 1.10/1.51                                       ( ( in @ X60 @ X54 ) & 
% 1.10/1.51                                         ( in @ X60 @ X58 ) ) ) ) & 
% 1.10/1.51                                  ( in @ X58 @ X54 ) ) ) ) ) =>
% 1.10/1.51                          ( ( ![X62:$i]:
% 1.10/1.51                              ( ?[X64:$i]:
% 1.10/1.51                                ( ( ![X66:$i]:
% 1.10/1.51                                    ( ( ( ![X68:$i]:
% 1.10/1.51                                          ( ( in @ X68 @ X66 ) =>
% 1.10/1.51                                            ( in @ X68 @ X62 ) ) ) & 
% 1.10/1.51                                        ( ?[X70:$i]: ( in @ X70 @ X66 ) ) ) =>
% 1.10/1.51                                      ( ?[X72:$i,X74:$i]:
% 1.10/1.51                                        ( ( ![X76:$i]:
% 1.10/1.51                                            ( ( in @ X76 @ X64 ) =>
% 1.10/1.51                                              ( ( ![X78:$i]:
% 1.10/1.51                                                  ( ( in @ X78 @ X76 ) =>
% 1.10/1.51                                                    ( in @ X78 @ X72 ) ) ) | 
% 1.10/1.51                                                ( in @ X74 @ X76 ) ) ) ) & 
% 1.10/1.51                                          ( ~( ?[X80:$i]:
% 1.10/1.51                                               ( ( in @ X80 @ X66 ) & 
% 1.10/1.51                                                 ( in @ X80 @ X72 ) ) ) ) & 
% 1.10/1.51                                          ( in @ X74 @ X66 ) & 
% 1.10/1.51                                          ( in @ X72 @ X64 ) ) ) ) ) & 
% 1.10/1.51                                  ( ![X82:$i,X84:$i]:
% 1.10/1.51                                    ( ( ( in @ X82 @ X64 ) & ( in @ X84 @ X64 ) ) =>
% 1.10/1.51                                      ( ( ![X86:$i]:
% 1.10/1.51                                          ( ( in @ X86 @ X82 ) =>
% 1.10/1.51                                            ( in @ X86 @ X84 ) ) ) | 
% 1.10/1.51                                        ( ![X88:$i]:
% 1.10/1.51                                          ( ( in @ X88 @ X84 ) =>
% 1.10/1.51                                            ( in @ X88 @ X82 ) ) ) ) ) ) & 
% 1.10/1.51                                  ( ![X90:$i,X92:$i]:
% 1.10/1.51                                    ( ( ( in @ X90 @ X62 ) & ( in @ X92 @ X62 ) ) =>
% 1.10/1.51                                      ( ( ![X94:$i]:
% 1.10/1.51                                          ( ( in @ X94 @ X64 ) =>
% 1.10/1.51                                            ( ( in @ X90 @ X94 ) <=>
% 1.10/1.51                                              ( in @ X92 @ X94 ) ) ) ) =>
% 1.10/1.51                                        ( ( X90 ) = ( X92 ) ) ) ) ) & 
% 1.10/1.51                                  ( ![X96:$i]:
% 1.10/1.51                                    ( ( in @ X96 @ X64 ) =>
% 1.10/1.51                                      ( ![X98:$i]:
% 1.10/1.51                                        ( ( in @ X98 @ X96 ) =>
% 1.10/1.51                                          ( in @ X98 @ X62 ) ) ) ) ) ) ) ) =>
% 1.10/1.51                            ( ( ![X100:( $i > $o )]:
% 1.10/1.51                                ( ( ?[X102:$i]:
% 1.10/1.51                                    ( ( ![X104:$i]:
% 1.10/1.51                                        ( ( X100 @ X104 ) =>
% 1.10/1.51                                          ( ( X102 ) = ( X104 ) ) ) ) & 
% 1.10/1.51                                      ( X100 @ X102 ) ) ) =>
% 1.10/1.51                                  ( X100 @
% 1.10/1.51                                    ( descr @ ( ^[V_1:$i]: ( X100 @ V_1 ) ) ) ) ) ) =>
% 1.10/1.51                              ( ( ![X106:$i,X108:( $i > $o ),X110:$i]:
% 1.10/1.51                                  ( ( in @ X110 @ X106 ) =>
% 1.10/1.51                                    ( ( X108 @ X110 ) =>
% 1.10/1.51                                      ( in @
% 1.10/1.51                                        X110 @ 
% 1.10/1.51                                        ( dsetconstr @
% 1.10/1.51                                          X106 @ ( ^[V_2:$i]: ( X108 @ V_2 ) ) ) ) ) ) ) =>
% 1.10/1.51                                ( ( ![X112:$i,X114:( $i > $o ),X116:$i]:
% 1.10/1.51                                    ( ( in @
% 1.10/1.51                                        X116 @ 
% 1.10/1.51                                        ( dsetconstr @
% 1.10/1.51                                          X112 @ ( ^[V_3:$i]: ( X114 @ V_3 ) ) ) ) =>
% 1.10/1.51                                      ( in @ X116 @ X112 ) ) ) =>
% 1.10/1.51                                  ( ( ![X118:$i,X120:( $i > $o ),X122:$i]:
% 1.10/1.51                                      ( ( in @
% 1.10/1.51                                          X122 @ 
% 1.10/1.51                                          ( dsetconstr @
% 1.10/1.51                                            X118 @ 
% 1.10/1.51                                            ( ^[V_4:$i]: ( X120 @ V_4 ) ) ) ) =>
% 1.10/1.51                                        ( X120 @ X122 ) ) ) =>
% 1.10/1.51                                    ( ( ![X124:( $i > $o )]:
% 1.10/1.51                                        ( ( ?[X126:$i]:
% 1.10/1.51                                            ( ( ![X128:$i]:
% 1.10/1.51                                                ( ( X124 @ X128 ) =>
% 1.10/1.51                                                  ( ( X126 ) = ( X128 ) ) ) ) & 
% 1.10/1.51                                              ( X124 @ X126 ) ) ) =>
% 1.10/1.51                                          ( ?[X130:$i]:
% 1.10/1.51                                            ( ( ![X132:$i]:
% 1.10/1.51                                                ( ( X124 @ X132 ) =>
% 1.10/1.51                                                  ( ( X130 ) = ( X132 ) ) ) ) & 
% 1.10/1.51                                              ( X124 @ X130 ) ) ) ) ) =>
% 1.10/1.51                                      ( ( ![X134:$o,X136:$i]:
% 1.10/1.51                                          ( ( in @ X136 @ ( prop2set @ X134 ) ) =>
% 1.10/1.51                                            ( X134 ) ) ) =>
% 1.10/1.51                                        ( ( ![X138:$i]:
% 1.10/1.51                                            ( ( in @ X138 @ emptyset ) =>
% 1.10/1.51                                              ( ![X140:$o]: ( X140 ) ) ) ) =>
% 1.10/1.51                                          ( ( ![X142:$i]:
% 1.10/1.51                                              ( ~( in @ X142 @ emptyset ) ) ) =>
% 1.10/1.51                                            ( ( ![X144:$i]:
% 1.10/1.51                                                ( ~( in @ X144 @ emptyset ) ) ) =>
% 1.10/1.51                                              ( ( ![X146:( $i > $o )]:
% 1.10/1.51                                                  ( ( ?[X148:$i]:
% 1.10/1.51                                                      ( ( ![X150:$i]:
% 1.10/1.51                                                          ( ( X146 @ X150 ) =>
% 1.10/1.51                                                            ( ( X148 ) =
% 1.10/1.51                                                              ( X150 ) ) ) ) & 
% 1.10/1.51                                                        ( X146 @ X148 ) ) ) =>
% 1.10/1.51                                                    ( ?[X152:$i]:
% 1.10/1.51                                                      ( X146 @ X152 ) ) ) ) =>
% 1.10/1.51                                                ( ( ![X154:$i,X156:$i]:
% 1.10/1.51                                                    ( ( ![X158:$i]:
% 1.10/1.51                                                        ( ( in @ X158 @ X154 ) =>
% 1.10/1.51                                                          ( in @ X158 @ X156 ) ) ) =>
% 1.10/1.51                                                      ( ( ![X160:$i]:
% 1.10/1.51                                                          ( ( in @ X160 @ X156 ) =>
% 1.10/1.51                                                            ( in @ X160 @ X154 ) ) ) =>
% 1.10/1.51                                                        ( ( X154 ) = ( X156 ) ) ) ) ) =>
% 1.10/1.51                                                  ( ( ![X162:$i]:
% 1.10/1.51                                                      ( ( ![X164:$i]:
% 1.10/1.51                                                          ( ~( in @ X164 @ X162 ) ) ) =>
% 1.10/1.51                                                        ( ( X162 ) =
% 1.10/1.51                                                          ( emptyset ) ) ) ) =>
% 1.10/1.51                                                    ( ( ![X166:$i]:
% 1.10/1.51                                                        ( ( ![X168:$i]:
% 1.10/1.51                                                            ( ~( in @
% 1.10/1.51                                                                 X168 @ X166 ) ) ) =>
% 1.10/1.51                                                          ( ( X166 ) =
% 1.10/1.51                                                            ( emptyset ) ) ) ) =>
% 1.10/1.51                                                      ( ( ![X170:$i,
% 1.10/1.51                                                            X172:( $i > $o ),
% 1.10/1.51                                                            X174:$i]:
% 1.10/1.51                                                          ( ( in @ X174 @ X170 ) =>
% 1.10/1.51                                                            ( ( in @
% 1.10/1.51                                                                X174 @ 
% 1.10/1.51                                                                ( dsetconstr @
% 1.10/1.51                                                                  X170 @ 
% 1.10/1.51                                                                  ( ^[V_5:$i]:
% 1.10/1.51                                                                    ( X172 @
% 1.10/1.51                                                                      V_5 ) ) ) ) <=>
% 1.10/1.51                                                              ( X172 @ X174 ) ) ) ) =>
% 1.10/1.51                                                        ( ( ![X176:$i]:
% 1.10/1.51                                                            ( ( ( X176 ) !=
% 1.10/1.51                                                                ( emptyset ) ) =>
% 1.10/1.51                                                              ( ?[X178:$i]:
% 1.10/1.51                                                                ( in @
% 1.10/1.51                                                                  X178 @ X176 ) ) ) ) =>
% 1.10/1.51                                                          ( ( ![X180:$i,
% 1.10/1.51                                                                X182:( 
% 1.10/1.51                                                                $i > $o ),
% 1.10/1.51                                                                X184:$i]:
% 1.10/1.51                                                              ( ( in @
% 1.10/1.51                                                                  X184 @ X180 ) =>
% 1.10/1.51                                                                ( ( X182 @ X184 ) =>
% 1.10/1.51                                                                  ( ( dsetconstr
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X180 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ^[
% 1.10/1.51                                                                      V_6:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X182 @
% 1.10/1.51                                                                      V_6 ) ) ) !=
% 1.10/1.51                                                                    ( emptyset ) ) ) ) ) =>
% 1.10/1.51                                                            ( ( ![X186:$i]:
% 1.10/1.51                                                                ( ( ?[X188:$i]:
% 1.10/1.51                                                                    ( in @
% 1.10/1.51                                                                      X188 @ 
% 1.10/1.51                                                                      X186 ) ) =>
% 1.10/1.51                                                                  ( ( X186 ) !=
% 1.10/1.51                                                                    ( emptyset ) ) ) ) =>
% 1.10/1.51                                                              ( ( ![X190:$i,
% 1.10/1.51                                                                    X192:$i]:
% 1.10/1.51                                                                  ( in @
% 1.10/1.51                                                                    X190 @ 
% 1.10/1.51                                                                    ( setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X190 @ 
% 1.10/1.51                                                                      X192 ) ) ) =>
% 1.10/1.51                                                                ( ( in @
% 1.10/1.51                                                                    emptyset @ 
% 1.10/1.51                                                                    ( setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      emptyset @ 
% 1.10/1.51                                                                      emptyset ) ) =>
% 1.10/1.51                                                                  ( ( ![
% 1.10/1.51                                                                      X194:$i,
% 1.10/1.51                                                                      X196:$i,
% 1.10/1.51                                                                      X198:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X198 @ 
% 1.10/1.51                                                                      X196 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X198 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X194 @ 
% 1.10/1.51                                                                      X196 ) ) ) ) =>
% 1.10/1.51                                                                    ( ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X200:$i,
% 1.10/1.51                                                                      X202:$i,
% 1.10/1.51                                                                      X204:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X204 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X200 @ 
% 1.10/1.51                                                                      X202 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X206:$o]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X204 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X200 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X206 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X204 @ 
% 1.10/1.51                                                                      X202 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X206 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X206 ) ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X208:$i,
% 1.10/1.51                                                                      X210:$i,
% 1.10/1.51                                                                      X212:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X212 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X208 @ 
% 1.10/1.51                                                                      X210 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X212 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X208 ) ) | 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X212 @ 
% 1.10/1.51                                                                      X210 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X214:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      dsetconstr
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X214 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ^[
% 1.10/1.51                                                                      V_7:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      $true ) ) ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X214 ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X216:$i,
% 1.10/1.51                                                                      X218:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X220:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X220 @ 
% 1.10/1.51                                                                      X218 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X220 @ 
% 1.10/1.51                                                                      X216 ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X218 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      powerset
% 1.10/1.51                                                                      @ 
% 1.10/1.51                                                                      X216 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X222:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      emptyset @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      powerset
% 1.10/1.51                                                                      @ 
% 1.10/1.51                                                                      X222 ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X224:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      emptyset @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      powerset
% 1.10/1.51                                                                      @ 
% 1.10/1.51                                                                      X224 ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X226:$i,
% 1.10/1.51                                                                      X228:$i,
% 1.10/1.51                                                                      X230:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X228 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      powerset
% 1.10/1.51                                                                      @ 
% 1.10/1.51                                                                      X226 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X230 @ 
% 1.10/1.51                                                                      X228 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X230 @ 
% 1.10/1.51                                                                      X226 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X232:$i,
% 1.10/1.51                                                                      X234:$i,
% 1.10/1.51                                                                      X236:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X234 @ 
% 1.10/1.51                                                                      X236 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X236 @ 
% 1.10/1.51                                                                      X232 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X234 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setunion
% 1.10/1.51                                                                      @ 
% 1.10/1.51                                                                      X232 ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X238:$i,
% 1.10/1.51                                                                      X240:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X240 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setunion
% 1.10/1.51                                                                      @ 
% 1.10/1.51                                                                      X238 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X242:$o]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X244:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X240 @ 
% 1.10/1.51                                                                      X244 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X244 @ 
% 1.10/1.51                                                                      X238 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X242 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X242 ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X246:$i,
% 1.10/1.51                                                                      X248:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X248 @ 
% 1.10/1.51                                                                      X246 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X248 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      powerset
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setunion
% 1.10/1.51                                                                      @ 
% 1.10/1.51                                                                      X246 ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X250:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X252:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X254:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X250 @
% 1.10/1.51                                                                      X254 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X252 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X254 ) ) ) ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X250 @
% 1.10/1.51                                                                      X252 ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X256:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X258:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X250 @
% 1.10/1.51                                                                      X258 ) <=>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X258 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X256 ) ) ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X260:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X260 ) !=
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      emptyset ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X262:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X262 @ 
% 1.10/1.51                                                                      X260 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X264:$i,
% 1.10/1.51                                                                      X266:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X264 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X266 @ 
% 1.10/1.51                                                                      emptyset ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X264 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X266 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X268:$i,
% 1.10/1.51                                                                      X270:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X268 ) !=
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X270 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X270 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X268 @ 
% 1.10/1.51                                                                      emptyset ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X272:$i,
% 1.10/1.51                                                                      X274:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X272 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X274 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X272 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X274 @ 
% 1.10/1.51                                                                      emptyset ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X276:$i,
% 1.10/1.51                                                                      X278:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X276 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X278 @ 
% 1.10/1.51                                                                      emptyset ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X278 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X276 @ 
% 1.10/1.51                                                                      emptyset ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X280:$i,
% 1.10/1.51                                                                      X282:$i,
% 1.10/1.51                                                                      X284:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X284 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X280 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X282 @ 
% 1.10/1.51                                                                      emptyset ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X284 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X280 ) ) | 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X284 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X282 ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X286:$i,
% 1.10/1.51                                                                      X288:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X286 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X286 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X288 @ 
% 1.10/1.51                                                                      emptyset ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X290:$i,
% 1.10/1.51                                                                      X292:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X292 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X290 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      setadjoin
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X292 @ 
% 1.10/1.51                                                                      emptyset ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X294:$i,
% 1.10/1.51                                                                      X296:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X298:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X296 @
% 1.10/1.51                                                                      X298 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X298 @ 
% 1.10/1.51                                                                      X294 ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      dsetconstr
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      X294 @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ^[
% 1.10/1.51                                                                      V_8:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X296 @
% 1.10/1.51                                                                      V_8 ) ) ) !=
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      emptyset ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X300:( 
% 1.10/1.51                                                                      $i > $o ),
% 1.10/1.51                                                                      X302:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X302 @ 
% 1.10/1.51                                                                      emptyset ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X300 @
% 1.10/1.51                                                                      X302 ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X304:$i,
% 1.10/1.51                                                                      X306:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X308:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X308 @ 
% 1.10/1.51                                                                      X304 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X306 @
% 1.10/1.51                                                                      X308 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X310:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X306 @
% 1.10/1.51                                                                      X310 ) ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X310 @ 
% 1.10/1.51                                                                      X304 ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X312:$i,
% 1.10/1.51                                                                      X314:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X316:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X316 @ 
% 1.10/1.51                                                                      X312 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X314 @
% 1.10/1.51                                                                      X316 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X318:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X314 @
% 1.10/1.51                                                                      X318 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X318 @ 
% 1.10/1.51                                                                      X312 ) ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X320:$i,
% 1.10/1.51                                                                      X322:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X324:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X322 @
% 1.10/1.51                                                                      X324 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X324 @ 
% 1.10/1.51                                                                      X320 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X326:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X326 @ 
% 1.10/1.51                                                                      X320 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X322 @
% 1.10/1.51                                                                      X326 ) ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X328:$i,
% 1.10/1.51                                                                      X330:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X332:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X330 @
% 1.10/1.51                                                                      X332 ) ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X332 @ 
% 1.10/1.51                                                                      X328 ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X334:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X334 @ 
% 1.10/1.51                                                                      X328 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X330 @
% 1.10/1.51                                                                      X334 ) ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X336:$o]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X336 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      emptyset @ 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      prop2set
% 1.10/1.51                                                                      @ 
% 1.10/1.51                                                                      X336 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X338:$o]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X338 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      set2prop
% 1.10/1.51                                                                      @
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      prop2set
% 1.10/1.51                                                                      @ 
% 1.10/1.51                                                                      X338 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X340:$i,
% 1.10/1.51                                                                      X342:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X344:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X342 @
% 1.10/1.51                                                                      X344 ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X344 @ 
% 1.10/1.51                                                                      X340 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X346:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X346 @ 
% 1.10/1.51                                                                      X340 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X342 @
% 1.10/1.51                                                                      X346 ) ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X348:$i,
% 1.10/1.51                                                                      X350:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X352:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X352 @ 
% 1.10/1.51                                                                      X348 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X350 @
% 1.10/1.51                                                                      X352 ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X354:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ~
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X350 @
% 1.10/1.51                                                                      X354 ) ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      in @
% 1.10/1.51                                                                      X354 @ 
% 1.10/1.51                                                                      X348 ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X356:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X358:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X360:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X356 @
% 1.10/1.51                                                                      X360 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X358 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X360 ) ) ) ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X356 @
% 1.10/1.51                                                                      X358 ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X362:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X364:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X356 @
% 1.10/1.51                                                                      X364 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X362 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X364 ) ) ) ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X356 @
% 1.10/1.51                                                                      X362 ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X366:( 
% 1.10/1.51                                                                      $i > $o )]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X368:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X366 @
% 1.10/1.51                                                                      X368 ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X370:$i,
% 1.10/1.51                                                                      X372:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X366 @
% 1.10/1.51                                                                      X370 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X366 @
% 1.10/1.51                                                                      X372 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X370 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X372 ) ) ) ) ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ?[
% 1.10/1.51                                                                      X374:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ![
% 1.10/1.51                                                                      X376:$i]:
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X366 @
% 1.10/1.51                                                                      X376 ) =>
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X374 ) =
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X376 ) ) ) ) & 
% 1.10/1.51                                                                      ( 
% 1.10/1.51                                                                      X366 @
% 1.10/1.51                                                                      X374 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )),
% 1.10/1.51    inference('cnf.neg', [status(esa)], [zf_stmt_9])).
% 1.10/1.51  thf(zip_derived_cl72, plain,
% 1.10/1.51      (![X88 : $i, X89 : $i]:
% 1.10/1.51         (~ (sk__190 @ X88) | ((X88) = (X89)) | ~ (sk__190 @ X89))),
% 1.10/1.51      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.10/1.51  thf(zip_derived_cl75, plain, ( (sk__190 @ sk__192)),
% 1.10/1.51      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.10/1.51  thf(zip_derived_cl221, plain,
% 1.10/1.51      (![X0 : $i]: (((X0) = (sk__192)) | ~ (sk__190 @ X0))),
% 1.10/1.51      inference('sup+', [status(thm)], [zip_derived_cl72, zip_derived_cl75])).
% 1.10/1.51  thf(zip_derived_cl74, plain,
% 1.10/1.51      (![X90 : $i]: ( (sk__190 @ (sk__191 @ X90)) | ~ (sk__190 @ X90))),
% 1.10/1.51      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.10/1.51  thf(zip_derived_cl273, plain,
% 1.10/1.51      (![X0 : $i]: (((sk__191 @ X0) = (sk__192)) | ~ (sk__190 @ X0))),
% 1.10/1.51      inference('sup+', [status(thm)], [zip_derived_cl221, zip_derived_cl74])).
% 1.10/1.51  thf(zip_derived_cl73, plain,
% 1.10/1.51      (![X90 : $i]: (((X90) != (sk__191 @ X90)) | ~ (sk__190 @ X90))),
% 1.10/1.51      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.10/1.51  thf(zip_derived_cl308, plain,
% 1.10/1.51      (![X0 : $i]: (((X0) != (sk__192)) | ~ (sk__190 @ X0) | ~ (sk__190 @ X0))),
% 1.10/1.51      inference('sup-', [status(thm)], [zip_derived_cl273, zip_derived_cl73])).
% 1.10/1.51  thf(zip_derived_cl316, plain, (~ (sk__190 @ sk__192)),
% 1.10/1.51      inference('simplify', [status(thm)], [zip_derived_cl308])).
% 1.10/1.51  thf(zip_derived_cl75, plain, ( (sk__190 @ sk__192)),
% 1.10/1.51      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.10/1.51  thf(zip_derived_cl317, plain, ($false),
% 1.10/1.51      inference('simplify_reflect+', [status(thm)],
% 1.10/1.51                [zip_derived_cl316, zip_derived_cl75])).
% 1.10/1.51  
% 1.10/1.51  % SZS output end Refutation
% 1.10/1.51  
% 1.10/1.51  
% 1.10/1.51  % /export/starexec/sandbox/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 1.10/1.51  % Terminating...
% 1.17/1.67  % Runner terminated.
% 1.17/1.68  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------