TSTP Solution File: SEU675^1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SEU675^1 : TPTP v8.1.2. Released v3.7.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.0eGY29e6zI true

% Computer : n031.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 19:16:01 EDT 2023

% Result   : Theorem 59.31s 8.29s
% Output   : Refutation 59.31s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :  620
% Syntax   : Number of formulae    :  633 ( 409 unt; 220 typ;   0 def)
%            Number of atoms       : 4035 ( 963 equ;  44 cnn)
%            Maximal formula atoms : 1112 (   9 avg)
%            Number of connectives : 11051 ( 253   ~;  35   |; 265   &;7678   @)
%                                         (  70 <=>;2160  =>;   0  <=;   0 <~>)
%            Maximal formula depth :  217 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  310 ( 310   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :  226 ( 220 usr; 198 con; 0-4 aty)
%                                         ( 529  !!;  61  ??;   0 @@+;   0 @@-)
%            Number of variables   : 3160 ( 883   ^;2081   !; 196   ?;3160   :)

% Comments : 
%------------------------------------------------------------------------------
thf(setadjoinAx_type,type,
    setadjoinAx: $o ).

thf(cartprodmempaircEq_type,type,
    cartprodmempaircEq: $o ).

thf(notdexE_type,type,
    notdexE: $o ).

thf(setunionAx_type,type,
    setunionAx: $o ).

thf(setminusELneg_type,type,
    setminusELneg: $o ).

thf(kpairsurjEq_type,type,
    kpairsurjEq: $o ).

thf(powersetE_type,type,
    powersetE: $o ).

thf(omegaSAx_type,type,
    omegaSAx: $o ).

thf(exuI1_type,type,
    exuI1: $o ).

thf(exuI2_type,type,
    exuI2: $o ).

thf(notequalI2_type,type,
    notequalI2: $o ).

thf(kpairiskpair_type,type,
    kpairiskpair: $o ).

thf(upairsubunion_type,type,
    upairsubunion: $o ).

thf(powerset__Cong_type,type,
    powerset__Cong: $o ).

thf(setminusILneg_type,type,
    setminusILneg: $o ).

thf(wellorderingAx_type,type,
    wellorderingAx: $o ).

thf(setadjoinSub2_type,type,
    setadjoinSub2: $o ).

thf(binintersectSubset5_type,type,
    binintersectSubset5: $o ).

thf(upairinpowunion_type,type,
    upairinpowunion: $o ).

thf(setoftrueEq_type,type,
    setoftrueEq: $o ).

thf(func_type,type,
    func: $i > $i > $i > $o ).

thf(emptyset__Cong_type,type,
    emptyset__Cong: $o ).

thf(cartprodpairmemER_type,type,
    cartprodpairmemER: $o ).

thf(dpsetconstrI_type,type,
    dpsetconstrI: $o ).

thf(breln_type,type,
    breln: $i > $i > $i > $o ).

thf(dpsetconstrER_type,type,
    dpsetconstrER: $o ).

thf(sepInPowerset_type,type,
    sepInPowerset: $o ).

thf(setukpairIR_type,type,
    setukpairIR: $o ).

thf(kpair_type,type,
    kpair: $i > $i > $i ).

thf(binunionE_type,type,
    binunionE: $o ).

thf(setext_type,type,
    setext: $o ).

thf(emptyinPowerset_type,type,
    emptyinPowerset: $o ).

thf(ksnd_type,type,
    ksnd: $i > $i ).

thf(ubforcartprodlem1_type,type,
    ubforcartprodlem1: $o ).

thf(setukpairinjR12_type,type,
    setukpairinjR12: $o ).

thf(descr__Cong_type,type,
    descr__Cong: $o ).

thf(binintersectSubset1_type,type,
    binintersectSubset1: $o ).

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

thf(app_type,type,
    app: $o ).

thf(dpsetconstrSub_type,type,
    dpsetconstrSub: $o ).

thf(cartprodfstpairEq_type,type,
    cartprodfstpairEq: $o ).

thf(quantDeMorgan1_type,type,
    quantDeMorgan1: $o ).

thf(binunion_type,type,
    binunion: $i > $i > $i ).

thf(setadjoinIR_type,type,
    setadjoinIR: $o ).

thf(setadjoin__Cong_type,type,
    setadjoin__Cong: $o ).

thf(symdiffI2_type,type,
    symdiffI2: $o ).

thf(upairset2IR_type,type,
    upairset2IR: $o ).

thf(subsetE_type,type,
    subsetE: $o ).

thf(prop2set2propI_type,type,
    prop2set2propI: $o ).

thf(dsetconstrEL_type,type,
    dsetconstrEL: $o ).

thf(setbeta_type,type,
    setbeta: $o ).

thf(eqinunit_type,type,
    eqinunit: $o ).

thf(upairsetIL_type,type,
    upairsetIL: $o ).

thf(powersetI1_type,type,
    powersetI1: $o ).

thf(binintersectSubset3_type,type,
    binintersectSubset3: $o ).

thf(funcImageSingleton_type,type,
    funcImageSingleton: $o ).

thf(setukpairinjR_type,type,
    setukpairinjR: $o ).

thf(cartprodfstin_type,type,
    cartprodfstin: $o ).

thf(setminusIRneg_type,type,
    setminusIRneg: $o ).

thf(kfst_type,type,
    kfst: $i > $i ).

thf(powersetAx_type,type,
    powersetAx: $o ).

thf(singletonprop_type,type,
    singletonprop: $o ).

thf(binintersectSubset4_type,type,
    binintersectSubset4: $o ).

thf(singletoninpowunion_type,type,
    singletoninpowunion: $o ).

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

thf(cartprodmempair_type,type,
    cartprodmempair: $o ).

thf(upairsetIR_type,type,
    upairsetIR: $o ).

thf(cartprodsndpairEq_type,type,
    cartprodsndpairEq: $o ).

thf(inCongP_type,type,
    inCongP: $o ).

thf(setukpairinjL_type,type,
    setukpairinjL: $o ).

thf(setadjoinSub_type,type,
    setadjoinSub: $o ).

thf(exuE3e_type,type,
    exuE3e: $o ).

thf(emptysetE_type,type,
    emptysetE: $o ).

thf(upairequniteq_type,type,
    upairequniteq: $o ).

thf(binintersectSubset2_type,type,
    binintersectSubset2: $o ).

thf(setunionI_type,type,
    setunionI: $o ).

thf(symdiff_type,type,
    symdiff: $i > $i > $i ).

thf(setunion__Cong_type,type,
    setunion__Cong: $o ).

thf(prop2setI_type,type,
    prop2setI: $o ).

thf(nonemptyImpWitness_type,type,
    nonemptyImpWitness: $o ).

thf(setminusER_type,type,
    setminusER: $o ).

thf(exuE2_type,type,
    exuE2: $o ).

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

thf(setminus_type,type,
    setminus: $i > $i > $i ).

thf(powersetsubset_type,type,
    powersetsubset: $o ).

thf(setukpairinjR1_type,type,
    setukpairinjR1: $o ).

thf(dpsetconstrERa_type,type,
    dpsetconstrERa: $o ).

thf(subPowSU_type,type,
    subPowSU: $o ).

thf(ex1_type,type,
    ex1: $i > ( $i > $o ) > $o ).

thf(notequalI1_type,type,
    notequalI1: $o ).

thf(notinemptyset_type,type,
    notinemptyset: $o ).

thf(nonemptyI1_type,type,
    nonemptyI1: $o ).

thf(subsetTrans_type,type,
    subsetTrans: $o ).

thf(setukpairinjR2_type,type,
    setukpairinjR2: $o ).

thf(kpairp_type,type,
    kpairp: $o ).

thf(setminusI_type,type,
    setminusI: $o ).

thf(binunionIL_type,type,
    binunionIL: $o ).

thf(setunionsingleton_type,type,
    setunionsingleton: $o ).

thf(subsetE2_type,type,
    subsetE2: $o ).

thf(singletonsswitch_type,type,
    singletonsswitch: $o ).

thf(kfstpairEq_type,type,
    kfstpairEq: $o ).

thf(ubforcartprodlem3_type,type,
    ubforcartprodlem3: $o ).

thf(setextsub_type,type,
    setextsub: $o ).

thf(binunionLsub_type,type,
    binunionLsub: $o ).

thf(setunionsingleton1_type,type,
    setunionsingleton1: $o ).

thf(binintersect_type,type,
    binintersect: $i > $i > $i ).

thf(emptysetsubset_type,type,
    emptysetsubset: $o ).

thf(quantDeMorgan3_type,type,
    quantDeMorgan3: $o ).

thf(setunionE_type,type,
    setunionE: $o ).

thf(setminusSubset1_type,type,
    setminusSubset1: $o ).

thf(emptyinunitempty_type,type,
    emptyinunitempty: $o ).

thf(binunionIR_type,type,
    binunionIR: $o ).

thf(setadjoinE_type,type,
    setadjoinE: $o ).

thf(descr_type,type,
    descr: ( $i > $o ) > $i ).

thf(cartprodpairmemEL_type,type,
    cartprodpairmemEL: $o ).

thf(singletonsuniq_type,type,
    singletonsuniq: $o ).

thf(dpsetconstrEL2_type,type,
    dpsetconstrEL2: $o ).

thf(ap_type,type,
    ap: $i > $i > $i > $i > $i ).

thf(setadjoinIL_type,type,
    setadjoinIL: $o ).

thf(exuE1_type,type,
    exuE1: $o ).

thf(ubforcartprodlem2_type,type,
    ubforcartprodlem2: $o ).

thf(binintersectRsub_type,type,
    binintersectRsub: $o ).

thf(setminusLsub_type,type,
    setminusLsub: $o ).

thf(prop2set_type,type,
    prop2set: $o > $i ).

thf(notinsingleton_type,type,
    notinsingleton: $o ).

thf(dpsetconstrEL1_type,type,
    dpsetconstrEL1: $o ).

thf(eqimpsubset2_type,type,
    eqimpsubset2: $o ).

thf(exuEu_type,type,
    exuEu: $o ).

thf(emptysetimpfalse_type,type,
    emptysetimpfalse: $o ).

thf(ex1I2_type,type,
    ex1I2: $o ).

thf(upairsetE_type,type,
    upairsetE: $o ).

thf(omega0Ax_type,type,
    omega0Ax: $o ).

thf(notsubsetI_type,type,
    notsubsetI: $o ).

thf(quantDeMorgan4_type,type,
    quantDeMorgan4: $o ).

thf(setextAx_type,type,
    setextAx: $o ).

thf(powersetE1_type,type,
    powersetE1: $o ).

thf(bs114d_type,type,
    bs114d: $o ).

thf(noeltsimpempty_type,type,
    noeltsimpempty: $o ).

thf(setunion_type,type,
    setunion: $i > $i ).

thf(iskpair_type,type,
    iskpair: $i > $o ).

thf(binintersectLsub_type,type,
    binintersectLsub: $o ).

thf(subsetI1_type,type,
    subsetI1: $o ).

thf(symdiffE_type,type,
    symdiffE: $o ).

thf(descrp_type,type,
    descrp: $o ).

thf(dsetconstr__Cong_type,type,
    dsetconstr__Cong: $o ).

thf(foundationAx_type,type,
    foundationAx: $o ).

thf(emptysetAx_type,type,
    emptysetAx: $o ).

thf(emptyI_type,type,
    emptyI: $o ).

thf(setadjoinOr_type,type,
    setadjoinOr: $o ).

thf(binintersectEL_type,type,
    binintersectEL: $o ).

thf(emptyE1_type,type,
    emptyE1: $o ).

thf(emptyInPowerset_type,type,
    emptyInPowerset: $o ).

thf(vacuousDall_type,type,
    vacuousDall: $o ).

thf(dsetconstr_type,type,
    dsetconstr: $i > ( $i > $o ) > $i ).

thf(dsetconstrER_type,type,
    dsetconstrER: $o ).

thf(exu_type,type,
    exu: ( $i > $o ) > $o ).

thf(binintersectI_type,type,
    binintersectI: $o ).

thf(cartprodpairin_type,type,
    cartprodpairin: $o ).

thf(ex1I_type,type,
    ex1I: $o ).

thf(cartprodmempair1_type,type,
    cartprodmempair1: $o ).

thf(cartprodsndin_type,type,
    cartprodsndin: $o ).

thf(apProp_type,type,
    apProp: $o ).

thf(setukpairinjR11_type,type,
    setukpairinjR11: $o ).

thf(dpsetconstr_type,type,
    dpsetconstr: $i > $i > ( $i > $i > $o ) > $i ).

thf(singleton_type,type,
    singleton: $i > $o ).

thf(symdiffI1_type,type,
    symdiffI1: $o ).

thf(subsetI2_type,type,
    subsetI2: $o ).

thf(setOfPairsIsBReln_type,type,
    setOfPairsIsBReln: $o ).

thf(symdiffIneg1_type,type,
    symdiffIneg1: $o ).

thf(theprop_type,type,
    theprop: $o ).

thf(setminusERneg_type,type,
    setminusERneg: $o ).

thf(symdiffIneg2_type,type,
    symdiffIneg2: $o ).

thf(omega__Cong_type,type,
    omega__Cong: $o ).

thf(subsetRefl_type,type,
    subsetRefl: $o ).

thf(uniqinunit_type,type,
    uniqinunit: $o ).

thf(setminusSubset2_type,type,
    setminusSubset2: $o ).

thf(prop2setE_type,type,
    prop2setE: $o ).

thf(binunionEcases_type,type,
    binunionEcases: $o ).

thf(omega_type,type,
    omega: $i ).

thf(nonemptyI_type,type,
    nonemptyI: $o ).

thf(disjointsetsI1_type,type,
    disjointsetsI1: $o ).

thf(exuE3u_type,type,
    exuE3u: $o ).

thf(setminusEL_type,type,
    setminusEL: $o ).

thf(setunionsingleton2_type,type,
    setunionsingleton2: $o ).

thf(sepSubset_type,type,
    sepSubset: $o ).

thf(upairset2E_type,type,
    upairset2E: $o ).

thf(eqimpsubset1_type,type,
    eqimpsubset1: $o ).

thf(exuI3_type,type,
    exuI3: $o ).

thf(funcSet_type,type,
    funcSet: $i > $i > $i ).

thf(notdallE_type,type,
    notdallE: $o ).

thf(binintersectER_type,type,
    binintersectER: $o ).

thf(ksndsingleton_type,type,
    ksndsingleton: $o ).

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

thf(kfstsingleton_type,type,
    kfstsingleton: $o ).

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

thf(cartprodpairsurjEq_type,type,
    cartprodpairsurjEq: $o ).

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

thf(set2prop_type,type,
    set2prop: $i > $o ).

thf(setadjoin_type,type,
    setadjoin: $i > $i > $i ).

thf(exu__Cong_type,type,
    exu__Cong: $o ).

thf(ksndpairEq_type,type,
    ksndpairEq: $o ).

thf(quantDeMorgan2_type,type,
    quantDeMorgan2: $o ).

thf(ex1E1_type,type,
    ex1E1: $o ).

thf(secondinupair_type,type,
    secondinupair: $o ).

thf(singletonsubset_type,type,
    singletonsubset: $o ).

thf(singletoninpowerset_type,type,
    singletoninpowerset: $o ).

thf(subsetemptysetimpeq_type,type,
    subsetemptysetimpeq: $o ).

thf(replAx_type,type,
    replAx: $o ).

thf(nonemptyE1_type,type,
    nonemptyE1: $o ).

thf(omegaIndAx_type,type,
    omegaIndAx: $o ).

thf(setukpairIL_type,type,
    setukpairIL: $o ).

thf(setunionE2_type,type,
    setunionE2: $o ).

thf(inPowerset_type,type,
    inPowerset: $o ).

thf(cartprod_type,type,
    cartprod: $i > $i > $i ).

thf(subset_type,type,
    subset: $i > $i > $o ).

thf(in__Cong_type,type,
    in__Cong: $o ).

thf(setukpairinjL2_type,type,
    setukpairinjL2: $o ).

thf(binunionRsub_type,type,
    binunionRsub: $o ).

thf(subset2powerset_type,type,
    subset2powerset: $o ).

thf(setukpairinjL1_type,type,
    setukpairinjL1: $o ).

thf(app,axiom,
    ( app
    = ( ! [A: $i,B: $i,Xf: $i] :
          ( ( func @ A @ B @ Xf )
         => ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ( in @ ( ap @ A @ B @ Xf @ Xx ) @ B ) ) ) ) ) ).

thf('0',plain,
    ( app
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( func @ X4 @ X6 @ X8 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X4 )
             => ( in @ ( ap @ X4 @ X6 @ X8 @ X10 ) @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(ap,axiom,
    ( ap
    = ( ^ [A: $i,B: $i,Xf: $i,Xx: $i] :
          ( setunion
          @ ( dsetconstr @ B
            @ ^ [Xy: $i] : ( in @ ( kpair @ Xx @ Xy ) @ Xf ) ) ) ) ) ).

thf('1',plain,
    ( ap
    = ( ^ [A: $i,B: $i,Xf: $i,Xx: $i] :
          ( setunion
          @ ( dsetconstr @ B
            @ ^ [Xy: $i] : ( in @ ( kpair @ Xx @ Xy ) @ Xf ) ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[ap]) ).

thf('2',plain,
    ( ap
    = ( ^ [V_1: $i,V_2: $i,V_3: $i,V_4: $i] :
          ( setunion
          @ ( dsetconstr @ V_2
            @ ^ [V_5: $i] : ( in @ ( kpair @ V_4 @ V_5 ) @ V_3 ) ) ) ) ),
    define([status(thm)]) ).

thf(apProp,axiom,
    ( apProp
    = ( ! [A: $i,B: $i,Xf: $i] :
          ( ( func @ A @ B @ Xf )
         => ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ( in
                @ ( setunion
                  @ ( dsetconstr @ B
                    @ ^ [Xy: $i] : ( in @ ( kpair @ Xx @ Xy ) @ Xf ) ) )
                @ B ) ) ) ) ) ).

thf('3',plain,
    ( apProp
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( func @ X4 @ X6 @ X8 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X4 )
             => ( in
                @ ( setunion
                  @ ( dsetconstr @ X6
                    @ ^ [V_1: $i] : ( in @ ( kpair @ X10 @ V_1 ) @ X8 ) ) )
                @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(funcImageSingleton,axiom,
    ( funcImageSingleton
    = ( ! [A: $i,B: $i,Xf: $i] :
          ( ( func @ A @ B @ Xf )
         => ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ( singleton
                @ ( dsetconstr @ B
                  @ ^ [Xy: $i] : ( in @ ( kpair @ Xx @ Xy ) @ Xf ) ) ) ) ) ) ) ).

thf('4',plain,
    ( funcImageSingleton
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( func @ X4 @ X6 @ X8 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X4 )
             => ( singleton
                @ ( dsetconstr @ X6
                  @ ^ [V_1: $i] : ( in @ ( kpair @ X10 @ V_1 ) @ X8 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(funcSet,axiom,
    ( funcSet
    = ( ^ [A: $i,B: $i] :
          ( dsetconstr @ ( powerset @ ( cartprod @ A @ B ) )
          @ ^ [Xf: $i] : ( func @ A @ B @ Xf ) ) ) ) ).

thf(func,axiom,
    ( func
    = ( ^ [A: $i,B: $i,R: $i] :
          ( ( breln @ A @ B @ R )
          & ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ( ex1 @ B
                @ ^ [Xy: $i] : ( in @ ( kpair @ Xx @ Xy ) @ R ) ) ) ) ) ) ).

thf(breln,axiom,
    ( breln
    = ( ^ [A: $i,B: $i,C: $i] : ( subset @ C @ ( cartprod @ A @ B ) ) ) ) ).

thf('5',plain,
    ( breln
    = ( ^ [A: $i,B: $i,C: $i] : ( subset @ C @ ( cartprod @ A @ B ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[breln]) ).

thf('6',plain,
    ( breln
    = ( ^ [V_1: $i,V_2: $i,V_3: $i] : ( subset @ V_3 @ ( cartprod @ V_1 @ V_2 ) ) ) ),
    define([status(thm)]) ).

thf(ex1,axiom,
    ( ex1
    = ( ^ [A: $i,Xphi: $i > $o] :
          ( singleton
          @ ( dsetconstr @ A
            @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).

thf(singleton,axiom,
    ( singleton
    = ( ^ [A: $i] :
        ? [Xx: $i] :
          ( ( A
            = ( setadjoin @ Xx @ emptyset ) )
          & ( in @ Xx @ A ) ) ) ) ).

thf('7',plain,
    ( singleton
    = ( ^ [A: $i] :
        ? [Xx: $i] :
          ( ( A
            = ( setadjoin @ Xx @ emptyset ) )
          & ( in @ Xx @ A ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[singleton]) ).

thf('8',plain,
    ( singleton
    = ( ^ [V_1: $i] :
        ? [X4: $i] :
          ( ( V_1
            = ( setadjoin @ X4 @ emptyset ) )
          & ( in @ X4 @ V_1 ) ) ) ),
    define([status(thm)]) ).

thf('9',plain,
    ( ex1
    = ( ^ [A: $i,Xphi: $i > $o] :
          ( singleton
          @ ( dsetconstr @ A
            @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[ex1,'8']) ).

thf('10',plain,
    ( ex1
    = ( ^ [V_1: $i,V_2: $i > $o] :
          ( singleton
          @ ( dsetconstr @ V_1
            @ ^ [V_3: $i] : ( V_2 @ V_3 ) ) ) ) ),
    define([status(thm)]) ).

thf('11',plain,
    ( func
    = ( ^ [A: $i,B: $i,R: $i] :
          ( ( breln @ A @ B @ R )
          & ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ( ex1 @ B
                @ ^ [Xy: $i] : ( in @ ( kpair @ Xx @ Xy ) @ R ) ) ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[func,'6','10','8']) ).

thf('12',plain,
    ( func
    = ( ^ [V_1: $i,V_2: $i,V_3: $i] :
          ( ( breln @ V_1 @ V_2 @ V_3 )
          & ! [X4: $i] :
              ( ( in @ X4 @ V_1 )
             => ( ex1 @ V_2
                @ ^ [V_4: $i] : ( in @ ( kpair @ X4 @ V_4 ) @ V_3 ) ) ) ) ) ),
    define([status(thm)]) ).

thf('13',plain,
    ( funcSet
    = ( ^ [A: $i,B: $i] :
          ( dsetconstr @ ( powerset @ ( cartprod @ A @ B ) )
          @ ^ [Xf: $i] : ( func @ A @ B @ Xf ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[funcSet,'12','10','8']) ).

thf('14',plain,
    ( funcSet
    = ( ^ [V_1: $i,V_2: $i] :
          ( dsetconstr @ ( powerset @ ( cartprod @ V_1 @ V_2 ) )
          @ ^ [V_3: $i] : ( func @ V_1 @ V_2 @ V_3 ) ) ) ),
    define([status(thm)]) ).

thf(dpsetconstrER,axiom,
    ( dpsetconstrER
    = ( ! [A: $i,B: $i,Xphi: $i > $i > $o,Xx: $i,Xy: $i] :
          ( ( in @ ( kpair @ Xx @ Xy )
            @ ( dpsetconstr @ A @ B
              @ ^ [Xz: $i,Xu: $i] : ( Xphi @ Xz @ Xu ) ) )
         => ( Xphi @ Xx @ Xy ) ) ) ) ).

thf('15',plain,
    ( dpsetconstrER
    = ( ! [X4: $i,X6: $i,X8: $i > $i > $o,X10: $i,X12: $i] :
          ( ( in @ ( kpair @ X10 @ X12 )
            @ ( dpsetconstr @ X4 @ X6
              @ ^ [V_1: $i,V_2: $i] : ( X8 @ V_1 @ V_2 ) ) )
         => ( X8 @ X10 @ X12 ) ) ) ),
    define([status(thm)]) ).

thf(dpsetconstrEL2,axiom,
    ( dpsetconstrEL2
    = ( ! [A: $i,B: $i,Xphi: $i > $i > $o,Xx: $i,Xy: $i] :
          ( ( in @ ( kpair @ Xx @ Xy )
            @ ( dpsetconstr @ A @ B
              @ ^ [Xz: $i,Xu: $i] : ( Xphi @ Xz @ Xu ) ) )
         => ( in @ Xy @ B ) ) ) ) ).

thf('16',plain,
    ( dpsetconstrEL2
    = ( ! [X4: $i,X6: $i,X8: $i > $i > $o,X10: $i,X12: $i] :
          ( ( in @ ( kpair @ X10 @ X12 )
            @ ( dpsetconstr @ X4 @ X6
              @ ^ [V_1: $i,V_2: $i] : ( X8 @ V_1 @ V_2 ) ) )
         => ( in @ X12 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(dpsetconstrEL1,axiom,
    ( dpsetconstrEL1
    = ( ! [A: $i,B: $i,Xphi: $i > $i > $o,Xx: $i,Xy: $i] :
          ( ( in @ ( kpair @ Xx @ Xy )
            @ ( dpsetconstr @ A @ B
              @ ^ [Xz: $i,Xu: $i] : ( Xphi @ Xz @ Xu ) ) )
         => ( in @ Xx @ A ) ) ) ) ).

thf('17',plain,
    ( dpsetconstrEL1
    = ( ! [X4: $i,X6: $i,X8: $i > $i > $o,X10: $i,X12: $i] :
          ( ( in @ ( kpair @ X10 @ X12 )
            @ ( dpsetconstr @ X4 @ X6
              @ ^ [V_1: $i,V_2: $i] : ( X8 @ V_1 @ V_2 ) ) )
         => ( in @ X10 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(dpsetconstrERa,axiom,
    ( dpsetconstrERa
    = ( ! [A: $i,B: $i,Xphi: $i > $i > $o,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( ( in @ ( kpair @ Xx @ Xy )
                  @ ( dpsetconstr @ A @ B
                    @ ^ [Xz: $i,Xu: $i] : ( Xphi @ Xz @ Xu ) ) )
               => ( Xphi @ Xx @ Xy ) ) ) ) ) ) ).

thf('18',plain,
    ( dpsetconstrERa
    = ( ! [X4: $i,X6: $i,X8: $i > $i > $o,X10: $i] :
          ( ( in @ X10 @ X4 )
         => ! [X12: $i] :
              ( ( in @ X12 @ X6 )
             => ( ( in @ ( kpair @ X10 @ X12 )
                  @ ( dpsetconstr @ X4 @ X6
                    @ ^ [V_1: $i,V_2: $i] : ( X8 @ V_1 @ V_2 ) ) )
               => ( X8 @ X10 @ X12 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(setOfPairsIsBReln,axiom,
    ( setOfPairsIsBReln
    = ( ! [A: $i,B: $i,Xphi: $i > $i > $o] :
          ( breln @ A @ B
          @ ( dpsetconstr @ A @ B
            @ ^ [Xx: $i,Xy: $i] : ( Xphi @ Xx @ Xy ) ) ) ) ) ).

thf('19',plain,
    ( setOfPairsIsBReln
    = ( ! [X4: $i,X6: $i,X8: $i > $i > $o] :
          ( breln @ X4 @ X6
          @ ( dpsetconstr @ X4 @ X6
            @ ^ [V_1: $i,V_2: $i] : ( X8 @ V_1 @ V_2 ) ) ) ) ),
    define([status(thm)]) ).

thf(dpsetconstrSub,axiom,
    ( dpsetconstrSub
    = ( ! [A: $i,B: $i,Xphi: $i > $i > $o] :
          ( subset
          @ ( dpsetconstr @ A @ B
            @ ^ [Xx: $i,Xy: $i] : ( Xphi @ Xx @ Xy ) )
          @ ( cartprod @ A @ B ) ) ) ) ).

thf('20',plain,
    ( dpsetconstrSub
    = ( ! [X4: $i,X6: $i,X8: $i > $i > $o] :
          ( subset
          @ ( dpsetconstr @ X4 @ X6
            @ ^ [V_1: $i,V_2: $i] : ( X8 @ V_1 @ V_2 ) )
          @ ( cartprod @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(dpsetconstrI,axiom,
    ( dpsetconstrI
    = ( ! [A: $i,B: $i,Xphi: $i > $i > $o,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( ( Xphi @ Xx @ Xy )
               => ( in @ ( kpair @ Xx @ Xy )
                  @ ( dpsetconstr @ A @ B
                    @ ^ [Xz: $i,Xu: $i] : ( Xphi @ Xz @ Xu ) ) ) ) ) ) ) ) ).

thf('21',plain,
    ( dpsetconstrI
    = ( ! [X4: $i,X6: $i,X8: $i > $i > $o,X10: $i] :
          ( ( in @ X10 @ X4 )
         => ! [X12: $i] :
              ( ( in @ X12 @ X6 )
             => ( ( X8 @ X10 @ X12 )
               => ( in @ ( kpair @ X10 @ X12 )
                  @ ( dpsetconstr @ X4 @ X6
                    @ ^ [V_1: $i,V_2: $i] : ( X8 @ V_1 @ V_2 ) ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(cartprodpairsurjEq,axiom,
    ( cartprodpairsurjEq
    = ( ! [A: $i,B: $i,Xu: $i] :
          ( ( in @ Xu @ ( cartprod @ A @ B ) )
         => ( ( kpair @ ( kfst @ Xu ) @ ( ksnd @ Xu ) )
            = Xu ) ) ) ) ).

thf('22',plain,
    ( cartprodpairsurjEq
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( cartprod @ X4 @ X6 ) )
         => ( ( kpair @ ( kfst @ X8 ) @ ( ksnd @ X8 ) )
            = X8 ) ) ) ),
    define([status(thm)]) ).

thf(cartprodsndpairEq,axiom,
    ( cartprodsndpairEq
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( ( ksnd @ ( kpair @ Xx @ Xy ) )
                = Xy ) ) ) ) ) ).

thf('23',plain,
    ( cartprodsndpairEq
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X6 )
             => ( ( ksnd @ ( kpair @ X8 @ X10 ) )
                = X10 ) ) ) ) ),
    define([status(thm)]) ).

thf(cartprodfstpairEq,axiom,
    ( cartprodfstpairEq
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( ( kfst @ ( kpair @ Xx @ Xy ) )
                = Xx ) ) ) ) ) ).

thf('24',plain,
    ( cartprodfstpairEq
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X6 )
             => ( ( kfst @ ( kpair @ X8 @ X10 ) )
                = X8 ) ) ) ) ),
    define([status(thm)]) ).

thf(cartprodmempaircEq,axiom,
    ( cartprodmempaircEq
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( ( kpair @ Xx @ Xy )
                = ( kpair @ Xx @ Xy ) ) ) ) ) ) ).

thf('25',plain,
    ( cartprodmempaircEq
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X6 )
             => ( ( kpair @ X8 @ X10 )
                = ( kpair @ X8 @ X10 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(cartprodpairmemER,axiom,
    ( cartprodpairmemER
    = ( ! [A: $i,B: $i,Xx: $i,Xy: $i] :
          ( ( in @ ( kpair @ Xx @ Xy ) @ ( cartprod @ A @ B ) )
         => ( in @ Xy @ B ) ) ) ) ).

thf('26',plain,
    ( cartprodpairmemER
    = ( ! [X4: $i,X6: $i,X8: $i,X10: $i] :
          ( ( in @ ( kpair @ X8 @ X10 ) @ ( cartprod @ X4 @ X6 ) )
         => ( in @ X10 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(cartprodpairmemEL,axiom,
    ( cartprodpairmemEL
    = ( ! [A: $i,B: $i,Xx: $i,Xy: $i] :
          ( ( in @ ( kpair @ Xx @ Xy ) @ ( cartprod @ A @ B ) )
         => ( in @ Xx @ A ) ) ) ) ).

thf('27',plain,
    ( cartprodpairmemEL
    = ( ! [X4: $i,X6: $i,X8: $i,X10: $i] :
          ( ( in @ ( kpair @ X8 @ X10 ) @ ( cartprod @ X4 @ X6 ) )
         => ( in @ X8 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(cartprodsndin,axiom,
    ( cartprodsndin
    = ( ! [A: $i,B: $i,Xu: $i] :
          ( ( in @ Xu @ ( cartprod @ A @ B ) )
         => ( in @ ( ksnd @ Xu ) @ B ) ) ) ) ).

thf('28',plain,
    ( cartprodsndin
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( cartprod @ X4 @ X6 ) )
         => ( in @ ( ksnd @ X8 ) @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(kpairsurjEq,axiom,
    ( kpairsurjEq
    = ( ! [Xu: $i] :
          ( ( iskpair @ Xu )
         => ( ( kpair @ ( kfst @ Xu ) @ ( ksnd @ Xu ) )
            = Xu ) ) ) ) ).

thf('29',plain,
    ( kpairsurjEq
    = ( ! [X4: $i] :
          ( ( iskpair @ X4 )
         => ( ( kpair @ ( kfst @ X4 ) @ ( ksnd @ X4 ) )
            = X4 ) ) ) ),
    define([status(thm)]) ).

thf(ksndpairEq,axiom,
    ( ksndpairEq
    = ( ! [Xx: $i,Xy: $i] :
          ( ( ksnd @ ( kpair @ Xx @ Xy ) )
          = Xy ) ) ) ).

thf('30',plain,
    ( ksndpairEq
    = ( ! [X4: $i,X6: $i] :
          ( ( ksnd @ ( kpair @ X4 @ X6 ) )
          = X6 ) ) ),
    define([status(thm)]) ).

thf(ksndsingleton,axiom,
    ( ksndsingleton
    = ( ! [Xu: $i] :
          ( ( iskpair @ Xu )
         => ( singleton
            @ ( dsetconstr @ ( setunion @ Xu )
              @ ^ [Xx: $i] :
                  ( Xu
                  = ( kpair @ ( kfst @ Xu ) @ Xx ) ) ) ) ) ) ) ).

thf('31',plain,
    ( ksndsingleton
    = ( ! [X4: $i] :
          ( ( iskpair @ X4 )
         => ( singleton
            @ ( dsetconstr @ ( setunion @ X4 )
              @ ^ [V_1: $i] :
                  ( X4
                  = ( kpair @ ( kfst @ X4 ) @ V_1 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(setukpairinjR,axiom,
    ( setukpairinjR
    = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
          ( ( ( kpair @ Xx @ Xy )
            = ( kpair @ Xz @ Xu ) )
         => ( Xy = Xu ) ) ) ) ).

thf('32',plain,
    ( setukpairinjR
    = ( ! [X4: $i,X6: $i,X8: $i,X10: $i] :
          ( ( ( kpair @ X4 @ X6 )
            = ( kpair @ X8 @ X10 ) )
         => ( X6 = X10 ) ) ) ),
    define([status(thm)]) ).

thf(setukpairinjR2,axiom,
    ( setukpairinjR2
    = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
          ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
         => ( Xy = Xu ) ) ) ) ).

thf('33',plain,
    ( setukpairinjR2
    = ( ! [X4: $i,X6: $i,X8: $i,X10: $i] :
          ( ( ( setadjoin @ ( setadjoin @ X4 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ X8 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X8 @ ( setadjoin @ X10 @ emptyset ) ) @ emptyset ) ) )
         => ( X6 = X10 ) ) ) ),
    define([status(thm)]) ).

thf(upairequniteq,axiom,
    ( upairequniteq
    = ( ! [Xx: $i,Xy: $i,Xz: $i] :
          ( ( ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) )
            = ( setadjoin @ Xz @ emptyset ) )
         => ( Xx = Xy ) ) ) ) ).

thf('34',plain,
    ( upairequniteq
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) )
            = ( setadjoin @ X8 @ emptyset ) )
         => ( X4 = X6 ) ) ) ),
    define([status(thm)]) ).

thf(setukpairinjR1,axiom,
    ( setukpairinjR1
    = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
          ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
         => ( ( Xz = Xu )
           => ( Xy = Xu ) ) ) ) ) ).

thf('35',plain,
    ( setukpairinjR1
    = ( ! [X4: $i,X6: $i,X8: $i,X10: $i] :
          ( ( ( setadjoin @ ( setadjoin @ X4 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ X8 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X8 @ ( setadjoin @ X10 @ emptyset ) ) @ emptyset ) ) )
         => ( ( X8 = X10 )
           => ( X6 = X10 ) ) ) ) ),
    define([status(thm)]) ).

thf(setukpairinjR12,axiom,
    ( setukpairinjR12
    = ( ! [Xx: $i,Xy: $i] :
          ( ( Xx = Xy )
         => ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ emptyset ) ) ) ) ) ).

thf('36',plain,
    ( setukpairinjR12
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ( ( setadjoin @ ( setadjoin @ X4 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ X4 @ emptyset ) @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(setukpairinjR11,axiom,
    ( setukpairinjR11
    = ( ! [Xx: $i,Xy: $i] :
          ( ( Xx = Xy )
         => ( ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) )
            = ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).

thf('37',plain,
    ( setukpairinjR11
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ( ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) )
            = ( setadjoin @ X4 @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(setukpairinjL,axiom,
    ( setukpairinjL
    = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
          ( ( ( kpair @ Xx @ Xy )
            = ( kpair @ Xz @ Xu ) )
         => ( Xx = Xz ) ) ) ) ).

thf('38',plain,
    ( setukpairinjL
    = ( ! [X4: $i,X6: $i,X8: $i,X10: $i] :
          ( ( ( kpair @ X4 @ X6 )
            = ( kpair @ X8 @ X10 ) )
         => ( X4 = X8 ) ) ) ),
    define([status(thm)]) ).

thf(setukpairinjL2,axiom,
    ( setukpairinjL2
    = ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
          ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
         => ( Xx = Xz ) ) ) ) ).

thf('39',plain,
    ( setukpairinjL2
    = ( ! [X4: $i,X6: $i,X8: $i,X10: $i] :
          ( ( ( setadjoin @ ( setadjoin @ X4 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ X8 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X8 @ ( setadjoin @ X10 @ emptyset ) ) @ emptyset ) ) )
         => ( X4 = X8 ) ) ) ),
    define([status(thm)]) ).

thf(cartprodfstin,axiom,
    ( cartprodfstin
    = ( ! [A: $i,B: $i,Xu: $i] :
          ( ( in @ Xu @ ( cartprod @ A @ B ) )
         => ( in @ ( kfst @ Xu ) @ A ) ) ) ) ).

thf('40',plain,
    ( cartprodfstin
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( cartprod @ X4 @ X6 ) )
         => ( in @ ( kfst @ X8 ) @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(kfstpairEq,axiom,
    ( kfstpairEq
    = ( ! [Xx: $i,Xy: $i] :
          ( ( kfst @ ( kpair @ Xx @ Xy ) )
          = Xx ) ) ) ).

thf('41',plain,
    ( kfstpairEq
    = ( ! [X4: $i,X6: $i] :
          ( ( kfst @ ( kpair @ X4 @ X6 ) )
          = X4 ) ) ),
    define([status(thm)]) ).

thf(theprop,axiom,
    ( theprop
    = ( ! [X: $i] :
          ( ( singleton @ X )
         => ( in @ ( setunion @ X ) @ X ) ) ) ) ).

thf('42',plain,
    ( theprop
    = ( ! [X4: $i] :
          ( ( singleton @ X4 )
         => ( in @ ( setunion @ X4 ) @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(kfstsingleton,axiom,
    ( kfstsingleton
    = ( ! [Xu: $i] :
          ( ( iskpair @ Xu )
         => ( singleton
            @ ( dsetconstr @ ( setunion @ Xu )
              @ ^ [Xx: $i] : ( in @ ( setadjoin @ Xx @ emptyset ) @ Xu ) ) ) ) ) ) ).

thf('43',plain,
    ( kfstsingleton
    = ( ! [X4: $i] :
          ( ( iskpair @ X4 )
         => ( singleton
            @ ( dsetconstr @ ( setunion @ X4 )
              @ ^ [V_1: $i] : ( in @ ( setadjoin @ V_1 @ emptyset ) @ X4 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(setukpairinjL1,axiom,
    ( setukpairinjL1
    = ( ! [Xx: $i,Xy: $i,Xz: $i] :
          ( ( in @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) )
         => ( Xx = Xz ) ) ) ) ).

thf('44',plain,
    ( setukpairinjL1
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ ( setadjoin @ X8 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X4 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) @ emptyset ) ) )
         => ( X4 = X8 ) ) ) ),
    define([status(thm)]) ).

thf(singletonsuniq,axiom,
    ( singletonsuniq
    = ( ! [Xx: $i,Xy: $i] :
          ( ( ( setadjoin @ Xx @ emptyset )
            = ( setadjoin @ Xy @ emptyset ) )
         => ( Xx = Xy ) ) ) ) ).

thf('45',plain,
    ( singletonsuniq
    = ( ! [X4: $i,X6: $i] :
          ( ( ( setadjoin @ X4 @ emptyset )
            = ( setadjoin @ X6 @ emptyset ) )
         => ( X4 = X6 ) ) ) ),
    define([status(thm)]) ).

thf(ex1I2,axiom,
    ( ex1I2
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ! [Xy: $i] :
                  ( ( in @ Xy @ A )
                 => ( ( Xphi @ Xx )
                   => ( ( Xphi @ Xy )
                     => ( Xx = Xy ) ) ) ) )
         => ( ? [Xx: $i] :
                ( ( Xphi @ Xx )
                & ( in @ Xx @ A ) )
           => ( ex1 @ A
              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).

thf('46',plain,
    ( ex1I2
    = ( ! [X4: $i,X6: $i > $o] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X4 )
             => ! [X10: $i] :
                  ( ( in @ X10 @ X4 )
                 => ( ( X6 @ X8 )
                   => ( ( X6 @ X10 )
                     => ( X8 = X10 ) ) ) ) )
         => ( ? [X12: $i] :
                ( ( X6 @ X12 )
                & ( in @ X12 @ X4 ) )
           => ( ex1 @ X4
              @ ^ [V_1: $i] : ( X6 @ V_1 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(ex1I,axiom,
    ( ex1I
    = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ( Xphi @ Xx )
           => ( ! [Xy: $i] :
                  ( ( in @ Xy @ A )
                 => ( ( Xphi @ Xy )
                   => ( Xy = Xx ) ) )
             => ( ex1 @ A
                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).

thf('47',plain,
    ( ex1I
    = ( ! [X4: $i,X6: $i > $o,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ( X6 @ X8 )
           => ( ! [X10: $i] :
                  ( ( in @ X10 @ X4 )
                 => ( ( X6 @ X10 )
                   => ( X10 = X8 ) ) )
             => ( ex1 @ X4
                @ ^ [V_1: $i] : ( X6 @ V_1 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(ex1E1,axiom,
    ( ex1E1
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ( ex1 @ A
            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
         => ? [Xx: $i] :
              ( ( Xphi @ Xx )
              & ( in @ Xx @ A ) ) ) ) ) ).

thf('48',plain,
    ( ex1E1
    = ( ! [X4: $i,X6: $i > $o] :
          ( ( ex1 @ X4
            @ ^ [V_1: $i] : ( X6 @ V_1 ) )
         => ? [X8: $i] :
              ( ( X6 @ X8 )
              & ( in @ X8 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(singletonprop,axiom,
    ( singletonprop
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ! [Xy: $i] :
                  ( ( in @ Xy @ A )
                 => ( ( Xphi @ Xx )
                   => ( ( Xphi @ Xy )
                     => ( Xx = Xy ) ) ) ) )
         => ( ? [Xx: $i] :
                ( ( Xphi @ Xx )
                & ( in @ Xx @ A ) )
           => ( singleton
              @ ( dsetconstr @ A
                @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ) ).

thf('49',plain,
    ( singletonprop
    = ( ! [X4: $i,X6: $i > $o] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X4 )
             => ! [X10: $i] :
                  ( ( in @ X10 @ X4 )
                 => ( ( X6 @ X8 )
                   => ( ( X6 @ X10 )
                     => ( X8 = X10 ) ) ) ) )
         => ( ? [X12: $i] :
                ( ( X6 @ X12 )
                & ( in @ X12 @ X4 ) )
           => ( singleton
              @ ( dsetconstr @ X4
                @ ^ [V_1: $i] : ( X6 @ V_1 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(setunionsingleton,axiom,
    ( setunionsingleton
    = ( ! [Xx: $i] :
          ( ( setunion @ ( setadjoin @ Xx @ emptyset ) )
          = Xx ) ) ) ).

thf('50',plain,
    ( setunionsingleton
    = ( ! [X4: $i] :
          ( ( setunion @ ( setadjoin @ X4 @ emptyset ) )
          = X4 ) ) ),
    define([status(thm)]) ).

thf(setunionsingleton2,axiom,
    ( setunionsingleton2
    = ( ! [A: $i] : ( subset @ A @ ( setunion @ ( setadjoin @ A @ emptyset ) ) ) ) ) ).

thf('51',plain,
    ( setunionsingleton2
    = ( ! [X4: $i] : ( subset @ X4 @ ( setunion @ ( setadjoin @ X4 @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(setunionsingleton1,axiom,
    ( setunionsingleton1
    = ( ! [A: $i] : ( subset @ ( setunion @ ( setadjoin @ A @ emptyset ) ) @ A ) ) ) ).

thf('52',plain,
    ( setunionsingleton1
    = ( ! [X4: $i] : ( subset @ ( setunion @ ( setadjoin @ X4 @ emptyset ) ) @ X4 ) ) ),
    define([status(thm)]) ).

thf(setunionE2,axiom,
    ( setunionE2
    = ( ! [A: $i,Xx: $i] :
          ( ( in @ Xx @ ( setunion @ A ) )
         => ? [X: $i] :
              ( ( in @ Xx @ X )
              & ( in @ X @ A ) ) ) ) ) ).

thf('53',plain,
    ( setunionE2
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X6 @ ( setunion @ X4 ) )
         => ? [X8: $i] :
              ( ( in @ X6 @ X8 )
              & ( in @ X8 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(cartprodmempair,axiom,
    ( cartprodmempair
    = ( ! [A: $i,B: $i,Xu: $i] :
          ( ( in @ Xu @ ( cartprod @ A @ B ) )
         => ( iskpair @ Xu ) ) ) ) ).

thf('54',plain,
    ( cartprodmempair
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( cartprod @ X4 @ X6 ) )
         => ( iskpair @ X8 ) ) ) ),
    define([status(thm)]) ).

thf(cartprodmempair1,axiom,
    ( cartprodmempair1
    = ( ! [A: $i,B: $i,Xu: $i] :
          ( ( in @ Xu @ ( cartprod @ A @ B ) )
         => ? [Xx: $i] :
              ( ? [Xy: $i] :
                  ( ( Xu
                    = ( kpair @ Xx @ Xy ) )
                  & ( in @ Xy @ B ) )
              & ( in @ Xx @ A ) ) ) ) ) ).

thf('55',plain,
    ( cartprodmempair1
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( cartprod @ X4 @ X6 ) )
         => ? [X10: $i] :
              ( ? [X12: $i] :
                  ( ( X8
                    = ( kpair @ X10 @ X12 ) )
                  & ( in @ X12 @ X6 ) )
              & ( in @ X10 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(cartprodpairin,axiom,
    ( cartprodpairin
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( in @ ( kpair @ Xx @ Xy ) @ ( cartprod @ A @ B ) ) ) ) ) ) ).

thf('56',plain,
    ( cartprodpairin
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X6 )
             => ( in @ ( kpair @ X8 @ X10 ) @ ( cartprod @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(ubforcartprodlem3,axiom,
    ( ubforcartprodlem3
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( in @ ( kpair @ Xx @ Xy ) @ ( powerset @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ) ).

thf('57',plain,
    ( ubforcartprodlem3
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X6 )
             => ( in @ ( kpair @ X8 @ X10 ) @ ( powerset @ ( powerset @ ( binunion @ X4 @ X6 ) ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(ubforcartprodlem2,axiom,
    ( ubforcartprodlem2
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( in @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ) ).

thf('58',plain,
    ( ubforcartprodlem2
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X6 )
             => ( in @ ( setadjoin @ ( setadjoin @ X8 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X8 @ ( setadjoin @ X10 @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( powerset @ ( binunion @ X4 @ X6 ) ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(ubforcartprodlem1,axiom,
    ( ubforcartprodlem1
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( subset @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ).

thf('59',plain,
    ( ubforcartprodlem1
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X6 )
             => ( subset @ ( setadjoin @ ( setadjoin @ X8 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X8 @ ( setadjoin @ X10 @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( binunion @ X4 @ X6 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(upairinpowunion,axiom,
    ( upairinpowunion
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( in @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ) ).

thf('60',plain,
    ( upairinpowunion
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X6 )
             => ( in @ ( setadjoin @ X8 @ ( setadjoin @ X10 @ emptyset ) ) @ ( powerset @ ( binunion @ X4 @ X6 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(upairsubunion,axiom,
    ( upairsubunion
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ! [Xy: $i] :
              ( ( in @ Xy @ B )
             => ( subset @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ ( binunion @ A @ B ) ) ) ) ) ) ).

thf('61',plain,
    ( upairsubunion
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ! [X10: $i] :
              ( ( in @ X10 @ X6 )
             => ( subset @ ( setadjoin @ X8 @ ( setadjoin @ X10 @ emptyset ) ) @ ( binunion @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(upairset2E,axiom,
    ( upairset2E
    = ( ! [Xx: $i,Xy: $i,Xz: $i] :
          ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
         => ( ( Xz = Xx )
            | ( Xz = Xy ) ) ) ) ) ).

thf('62',plain,
    ( upairset2E
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) )
         => ( ( X8 = X4 )
            | ( X8 = X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(singletoninpowunion,axiom,
    ( singletoninpowunion
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( in @ ( setadjoin @ Xx @ emptyset ) @ ( powerset @ ( binunion @ A @ B ) ) ) ) ) ) ).

thf('63',plain,
    ( singletoninpowunion
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( in @ ( setadjoin @ X8 @ emptyset ) @ ( powerset @ ( binunion @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(singletoninpowerset,axiom,
    ( singletoninpowerset
    = ( ! [A: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( in @ ( setadjoin @ Xx @ emptyset ) @ ( powerset @ A ) ) ) ) ) ).

thf('64',plain,
    ( singletoninpowerset
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X6 @ X4 )
         => ( in @ ( setadjoin @ X6 @ emptyset ) @ ( powerset @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(singletonsubset,axiom,
    ( singletonsubset
    = ( ! [A: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( subset @ ( setadjoin @ Xx @ emptyset ) @ A ) ) ) ) ).

thf('65',plain,
    ( singletonsubset
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X6 @ X4 )
         => ( subset @ ( setadjoin @ X6 @ emptyset ) @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(kpairp,axiom,
    ( kpairp
    = ( ! [Xx: $i,Xy: $i] : ( iskpair @ ( kpair @ Xx @ Xy ) ) ) ) ).

thf('66',plain,
    ( kpairp
    = ( ! [X4: $i,X6: $i] : ( iskpair @ ( kpair @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(kpairiskpair,axiom,
    ( kpairiskpair
    = ( ! [Xx: $i,Xy: $i] : ( iskpair @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) ) ) ) ).

thf('67',plain,
    ( kpairiskpair
    = ( ! [X4: $i,X6: $i] : ( iskpair @ ( setadjoin @ ( setadjoin @ X4 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(setukpairIR,axiom,
    ( setukpairIR
    = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setunion @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) ) ) ) ) ).

thf('68',plain,
    ( setukpairIR
    = ( ! [X4: $i,X6: $i] : ( in @ X6 @ ( setunion @ ( setadjoin @ ( setadjoin @ X4 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) @ emptyset ) ) ) ) ) ),
    define([status(thm)]) ).

thf(setukpairIL,axiom,
    ( setukpairIL
    = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setunion @ ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) ) ) ) ) ) ).

thf('69',plain,
    ( setukpairIL
    = ( ! [X4: $i,X6: $i] : ( in @ X4 @ ( setunion @ ( setadjoin @ ( setadjoin @ X4 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) @ emptyset ) ) ) ) ) ),
    define([status(thm)]) ).

thf(secondinupair,axiom,
    ( secondinupair
    = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).

thf('70',plain,
    ( secondinupair
    = ( ! [X4: $i,X6: $i] : ( in @ X6 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(symdiffIneg2,axiom,
    ( symdiffIneg2
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ~ ( in @ Xx @ A )
         => ( ~ ( in @ Xx @ B )
           => ~ ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).

thf('71',plain,
    ( symdiffIneg2
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ~ ( in @ X8 @ X4 )
         => ( ~ ( in @ X8 @ X6 )
           => ~ ( in @ X8 @ ( symdiff @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(symdiffIneg1,axiom,
    ( symdiffIneg1
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ( in @ Xx @ B )
           => ~ ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).

thf('72',plain,
    ( symdiffIneg1
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ( in @ X8 @ X6 )
           => ~ ( in @ X8 @ ( symdiff @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(symdiffI2,axiom,
    ( symdiffI2
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ~ ( in @ Xx @ A )
         => ( ( in @ Xx @ B )
           => ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).

thf('73',plain,
    ( symdiffI2
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ~ ( in @ X8 @ X4 )
         => ( ( in @ X8 @ X6 )
           => ( in @ X8 @ ( symdiff @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(symdiffI1,axiom,
    ( symdiffI1
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ~ ( in @ Xx @ B )
           => ( in @ Xx @ ( symdiff @ A @ B ) ) ) ) ) ) ).

thf('74',plain,
    ( symdiffI1
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ~ ( in @ X8 @ X6 )
           => ( in @ X8 @ ( symdiff @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(symdiffE,axiom,
    ( symdiffE
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ ( symdiff @ A @ B ) )
         => ! [Xphi: $o] :
              ( ( ( in @ Xx @ A )
               => ( ~ ( in @ Xx @ B )
                 => Xphi ) )
             => ( ( ~ ( in @ Xx @ A )
                 => ( ( in @ Xx @ B )
                   => Xphi ) )
               => Xphi ) ) ) ) ) ).

thf('75',plain,
    ( symdiffE
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( symdiff @ X4 @ X6 ) )
         => ! [X10: $o] :
              ( ( ( in @ X8 @ X4 )
               => ( ~ ( in @ X8 @ X6 )
                 => X10 ) )
             => ( ( ~ ( in @ X8 @ X4 )
                 => ( ( in @ X8 @ X6 )
                   => X10 ) )
               => X10 ) ) ) ) ),
    define([status(thm)]) ).

thf(setminusSubset1,axiom,
    ( setminusSubset1
    = ( ! [A: $i,B: $i] :
          ( ( ( setminus @ A @ B )
            = emptyset )
         => ( subset @ A @ B ) ) ) ) ).

thf('76',plain,
    ( setminusSubset1
    = ( ! [X4: $i,X6: $i] :
          ( ( ( setminus @ X4 @ X6 )
            = emptyset )
         => ( subset @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(setminusLsub,axiom,
    ( setminusLsub
    = ( ! [A: $i,B: $i] : ( subset @ ( setminus @ A @ B ) @ A ) ) ) ).

thf('77',plain,
    ( setminusLsub
    = ( ! [X4: $i,X6: $i] : ( subset @ ( setminus @ X4 @ X6 ) @ X4 ) ) ),
    define([status(thm)]) ).

thf(setminusIRneg,axiom,
    ( setminusIRneg
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ B )
         => ~ ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ).

thf('78',plain,
    ( setminusIRneg
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X6 )
         => ~ ( in @ X8 @ ( setminus @ X4 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(setminusILneg,axiom,
    ( setminusILneg
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ~ ( in @ Xx @ A )
         => ~ ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ).

thf('79',plain,
    ( setminusILneg
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ~ ( in @ X8 @ X4 )
         => ~ ( in @ X8 @ ( setminus @ X4 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(setminusELneg,axiom,
    ( setminusELneg
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ~ ( in @ Xx @ ( setminus @ A @ B ) )
         => ( ~ ( in @ Xx @ B )
           => ~ ( in @ Xx @ A ) ) ) ) ) ).

thf('80',plain,
    ( setminusELneg
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ~ ( in @ X8 @ ( setminus @ X4 @ X6 ) )
         => ( ~ ( in @ X8 @ X6 )
           => ~ ( in @ X8 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(setminusERneg,axiom,
    ( setminusERneg
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ~ ( in @ Xx @ ( setminus @ A @ B ) )
         => ( ( in @ Xx @ A )
           => ( in @ Xx @ B ) ) ) ) ) ).

thf('81',plain,
    ( setminusERneg
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ~ ( in @ X8 @ ( setminus @ X4 @ X6 ) )
         => ( ( in @ X8 @ X4 )
           => ( in @ X8 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(setminusSubset2,axiom,
    ( setminusSubset2
    = ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( setminus @ A @ B )
            = emptyset ) ) ) ) ).

thf('82',plain,
    ( setminusSubset2
    = ( ! [X4: $i,X6: $i] :
          ( ( subset @ X4 @ X6 )
         => ( ( setminus @ X4 @ X6 )
            = emptyset ) ) ) ),
    define([status(thm)]) ).

thf(setminusER,axiom,
    ( setminusER
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ ( setminus @ A @ B ) )
         => ~ ( in @ Xx @ B ) ) ) ) ).

thf('83',plain,
    ( setminusER
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( setminus @ X4 @ X6 ) )
         => ~ ( in @ X8 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(setminusEL,axiom,
    ( setminusEL
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ ( setminus @ A @ B ) )
         => ( in @ Xx @ A ) ) ) ) ).

thf('84',plain,
    ( setminusEL
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( setminus @ X4 @ X6 ) )
         => ( in @ X8 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(setminusI,axiom,
    ( setminusI
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ~ ( in @ Xx @ B )
           => ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ) ).

thf('85',plain,
    ( setminusI
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ~ ( in @ X8 @ X6 )
           => ( in @ X8 @ ( setminus @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(bs114d,axiom,
    ( bs114d
    = ( ! [A: $i,B: $i,C: $i] :
          ( ( binintersect @ A @ ( binunion @ B @ C ) )
          = ( binunion @ ( binintersect @ A @ B ) @ ( binintersect @ A @ C ) ) ) ) ) ).

thf('86',plain,
    ( bs114d
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( binintersect @ X4 @ ( binunion @ X6 @ X8 ) )
          = ( binunion @ ( binintersect @ X4 @ X6 ) @ ( binintersect @ X4 @ X8 ) ) ) ) ),
    define([status(thm)]) ).

thf(binintersectSubset1,axiom,
    ( binintersectSubset1
    = ( ! [A: $i,B: $i] :
          ( ( ( binintersect @ A @ B )
            = A )
         => ( subset @ A @ B ) ) ) ) ).

thf('87',plain,
    ( binintersectSubset1
    = ( ! [X4: $i,X6: $i] :
          ( ( ( binintersect @ X4 @ X6 )
            = X4 )
         => ( subset @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(binintersectSubset4,axiom,
    ( binintersectSubset4
    = ( ! [A: $i,B: $i] :
          ( ( subset @ B @ A )
         => ( ( binintersect @ A @ B )
            = B ) ) ) ) ).

thf('88',plain,
    ( binintersectSubset4
    = ( ! [X4: $i,X6: $i] :
          ( ( subset @ X6 @ X4 )
         => ( ( binintersect @ X4 @ X6 )
            = X6 ) ) ) ),
    define([status(thm)]) ).

thf(binintersectRsub,axiom,
    ( binintersectRsub
    = ( ! [A: $i,B: $i] : ( subset @ ( binintersect @ A @ B ) @ B ) ) ) ).

thf('89',plain,
    ( binintersectRsub
    = ( ! [X4: $i,X6: $i] : ( subset @ ( binintersect @ X4 @ X6 ) @ X6 ) ) ),
    define([status(thm)]) ).

thf(disjointsetsI1,axiom,
    ( disjointsetsI1
    = ( ! [A: $i,B: $i] :
          ( ~ ? [Xx: $i] :
                ( ( in @ Xx @ B )
                & ( in @ Xx @ A ) )
         => ( ( binintersect @ A @ B )
            = emptyset ) ) ) ) ).

thf('90',plain,
    ( disjointsetsI1
    = ( ! [X4: $i,X6: $i] :
          ( ~ ? [X8: $i] :
                ( ( in @ X8 @ X6 )
                & ( in @ X8 @ X4 ) )
         => ( ( binintersect @ X4 @ X6 )
            = emptyset ) ) ) ),
    define([status(thm)]) ).

thf(binintersectER,axiom,
    ( binintersectER
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ ( binintersect @ A @ B ) )
         => ( in @ Xx @ B ) ) ) ) ).

thf('91',plain,
    ( binintersectER
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( binintersect @ X4 @ X6 ) )
         => ( in @ X8 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(binintersectSubset3,axiom,
    ( binintersectSubset3
    = ( ! [A: $i,B: $i] :
          ( ( ( binintersect @ A @ B )
            = B )
         => ( subset @ B @ A ) ) ) ) ).

thf('92',plain,
    ( binintersectSubset3
    = ( ! [X4: $i,X6: $i] :
          ( ( ( binintersect @ X4 @ X6 )
            = X6 )
         => ( subset @ X6 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(binintersectSubset2,axiom,
    ( binintersectSubset2
    = ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( binintersect @ A @ B )
            = A ) ) ) ) ).

thf('93',plain,
    ( binintersectSubset2
    = ( ! [X4: $i,X6: $i] :
          ( ( subset @ X4 @ X6 )
         => ( ( binintersect @ X4 @ X6 )
            = X4 ) ) ) ),
    define([status(thm)]) ).

thf(binintersectLsub,axiom,
    ( binintersectLsub
    = ( ! [A: $i,B: $i] : ( subset @ ( binintersect @ A @ B ) @ A ) ) ) ).

thf('94',plain,
    ( binintersectLsub
    = ( ! [X4: $i,X6: $i] : ( subset @ ( binintersect @ X4 @ X6 ) @ X4 ) ) ),
    define([status(thm)]) ).

thf(binintersectEL,axiom,
    ( binintersectEL
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ ( binintersect @ A @ B ) )
         => ( in @ Xx @ A ) ) ) ) ).

thf('95',plain,
    ( binintersectEL
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( binintersect @ X4 @ X6 ) )
         => ( in @ X8 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(binintersectSubset5,axiom,
    ( binintersectSubset5
    = ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ C @ A )
         => ( ( subset @ C @ B )
           => ( subset @ C @ ( binintersect @ A @ B ) ) ) ) ) ) ).

thf('96',plain,
    ( binintersectSubset5
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( subset @ X8 @ X4 )
         => ( ( subset @ X8 @ X6 )
           => ( subset @ X8 @ ( binintersect @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(binintersectI,axiom,
    ( binintersectI
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ( in @ Xx @ B )
           => ( in @ Xx @ ( binintersect @ A @ B ) ) ) ) ) ) ).

thf('97',plain,
    ( binintersectI
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ( in @ X8 @ X6 )
           => ( in @ X8 @ ( binintersect @ X4 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(binunionRsub,axiom,
    ( binunionRsub
    = ( ! [A: $i,B: $i] : ( subset @ B @ ( binunion @ A @ B ) ) ) ) ).

thf('98',plain,
    ( binunionRsub
    = ( ! [X4: $i,X6: $i] : ( subset @ X6 @ ( binunion @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(binunionLsub,axiom,
    ( binunionLsub
    = ( ! [A: $i,B: $i] : ( subset @ A @ ( binunion @ A @ B ) ) ) ) ).

thf('99',plain,
    ( binunionLsub
    = ( ! [X4: $i,X6: $i] : ( subset @ X4 @ ( binunion @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(binunionE,axiom,
    ( binunionE
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ ( binunion @ A @ B ) )
         => ( ( in @ Xx @ A )
            | ( in @ Xx @ B ) ) ) ) ) ).

thf('100',plain,
    ( binunionE
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( binunion @ X4 @ X6 ) )
         => ( ( in @ X8 @ X4 )
            | ( in @ X8 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(binunionEcases,axiom,
    ( binunionEcases
    = ( ! [A: $i,B: $i,Xx: $i,Xphi: $o] :
          ( ( in @ Xx @ ( binunion @ A @ B ) )
         => ( ( ( in @ Xx @ A )
             => Xphi )
           => ( ( ( in @ Xx @ B )
               => Xphi )
             => Xphi ) ) ) ) ) ).

thf('101',plain,
    ( binunionEcases
    = ( ! [X4: $i,X6: $i,X8: $i,X10: $o] :
          ( ( in @ X8 @ ( binunion @ X4 @ X6 ) )
         => ( ( ( in @ X8 @ X4 )
             => X10 )
           => ( ( ( in @ X8 @ X6 )
               => X10 )
             => X10 ) ) ) ) ),
    define([status(thm)]) ).

thf(binunionIR,axiom,
    ( binunionIR
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ B )
         => ( in @ Xx @ ( binunion @ A @ B ) ) ) ) ) ).

thf('102',plain,
    ( binunionIR
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X6 )
         => ( in @ X8 @ ( binunion @ X4 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(upairset2IR,axiom,
    ( upairset2IR
    = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).

thf('103',plain,
    ( upairset2IR
    = ( ! [X4: $i,X6: $i] : ( in @ X6 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(binunionIL,axiom,
    ( binunionIL
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( in @ Xx @ ( binunion @ A @ B ) ) ) ) ) ).

thf('104',plain,
    ( binunionIL
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( in @ X8 @ ( binunion @ X4 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(sepSubset,axiom,
    ( sepSubset
    = ( ! [A: $i,Xphi: $i > $o] :
          ( subset
          @ ( dsetconstr @ A
            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
          @ A ) ) ) ).

thf('105',plain,
    ( sepSubset
    = ( ! [X4: $i,X6: $i > $o] :
          ( subset
          @ ( dsetconstr @ X4
            @ ^ [V_1: $i] : ( X6 @ V_1 ) )
          @ X4 ) ) ),
    define([status(thm)]) ).

thf(sepInPowerset,axiom,
    ( sepInPowerset
    = ( ! [A: $i,Xphi: $i > $o] :
          ( in
          @ ( dsetconstr @ A
            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
          @ ( powerset @ A ) ) ) ) ).

thf('106',plain,
    ( sepInPowerset
    = ( ! [X4: $i,X6: $i > $o] :
          ( in
          @ ( dsetconstr @ X4
            @ ^ [V_1: $i] : ( X6 @ V_1 ) )
          @ ( powerset @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(powersetsubset,axiom,
    ( powersetsubset
    = ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( subset @ ( powerset @ A ) @ ( powerset @ B ) ) ) ) ) ).

thf('107',plain,
    ( powersetsubset
    = ( ! [X4: $i,X6: $i] :
          ( ( subset @ X4 @ X6 )
         => ( subset @ ( powerset @ X4 ) @ ( powerset @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(inPowerset,axiom,
    ( inPowerset
    = ( ! [A: $i] : ( in @ A @ ( powerset @ A ) ) ) ) ).

thf('108',plain,
    ( inPowerset
    = ( ! [X4: $i] : ( in @ X4 @ ( powerset @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(powersetE1,axiom,
    ( powersetE1
    = ( ! [A: $i,B: $i] :
          ( ( in @ B @ ( powerset @ A ) )
         => ( subset @ B @ A ) ) ) ) ).

thf('109',plain,
    ( powersetE1
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X6 @ ( powerset @ X4 ) )
         => ( subset @ X6 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(powersetI1,axiom,
    ( powersetI1
    = ( ! [A: $i,B: $i] :
          ( ( subset @ B @ A )
         => ( in @ B @ ( powerset @ A ) ) ) ) ) ).

thf('110',plain,
    ( powersetI1
    = ( ! [X4: $i,X6: $i] :
          ( ( subset @ X6 @ X4 )
         => ( in @ X6 @ ( powerset @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(subsetemptysetimpeq,axiom,
    ( subsetemptysetimpeq
    = ( ! [A: $i] :
          ( ( subset @ A @ emptyset )
         => ( A = emptyset ) ) ) ) ).

thf('111',plain,
    ( subsetemptysetimpeq
    = ( ! [X4: $i] :
          ( ( subset @ X4 @ emptyset )
         => ( X4 = emptyset ) ) ) ),
    define([status(thm)]) ).

thf(setextsub,axiom,
    ( setextsub
    = ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( ( subset @ B @ A )
           => ( A = B ) ) ) ) ) ).

thf('112',plain,
    ( setextsub
    = ( ! [X4: $i,X6: $i] :
          ( ( subset @ X4 @ X6 )
         => ( ( subset @ X6 @ X4 )
           => ( X4 = X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(subset2powerset,axiom,
    ( subset2powerset
    = ( ! [A: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( in @ A @ ( powerset @ B ) ) ) ) ) ).

thf('113',plain,
    ( subset2powerset
    = ( ! [X4: $i,X6: $i] :
          ( ( subset @ X4 @ X6 )
         => ( in @ X4 @ ( powerset @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(setadjoinSub2,axiom,
    ( setadjoinSub2
    = ( ! [A: $i,Xx: $i,B: $i] :
          ( ( subset @ A @ B )
         => ( subset @ A @ ( setadjoin @ Xx @ B ) ) ) ) ) ).

thf('114',plain,
    ( setadjoinSub2
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( subset @ X4 @ X8 )
         => ( subset @ X4 @ ( setadjoin @ X6 @ X8 ) ) ) ) ),
    define([status(thm)]) ).

thf(setadjoinSub,axiom,
    ( setadjoinSub
    = ( ! [Xx: $i,A: $i] : ( subset @ A @ ( setadjoin @ Xx @ A ) ) ) ) ).

thf('115',plain,
    ( setadjoinSub
    = ( ! [X4: $i,X6: $i] : ( subset @ X6 @ ( setadjoin @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(subsetTrans,axiom,
    ( subsetTrans
    = ( ! [A: $i,B: $i,C: $i] :
          ( ( subset @ A @ B )
         => ( ( subset @ B @ C )
           => ( subset @ A @ C ) ) ) ) ) ).

thf('116',plain,
    ( subsetTrans
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( subset @ X4 @ X6 )
         => ( ( subset @ X6 @ X8 )
           => ( subset @ X4 @ X8 ) ) ) ) ),
    define([status(thm)]) ).

thf(subsetRefl,axiom,
    ( subsetRefl
    = ( ! [A: $i] : ( subset @ A @ A ) ) ) ).

thf('117',plain,
    ( subsetRefl
    = ( ! [X4: $i] : ( subset @ X4 @ X4 ) ) ),
    define([status(thm)]) ).

thf(notequalI2,axiom,
    ( notequalI2
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ~ ( in @ Xx @ B )
           => ( A != B ) ) ) ) ) ).

thf('118',plain,
    ( notequalI2
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ~ ( in @ X8 @ X6 )
           => ( X4 != X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(notequalI1,axiom,
    ( notequalI1
    = ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ B )
         => ( A != B ) ) ) ) ).

thf('119',plain,
    ( notequalI1
    = ( ! [X4: $i,X6: $i] :
          ( ~ ( subset @ X4 @ X6 )
         => ( X4 != X6 ) ) ) ),
    define([status(thm)]) ).

thf(notsubsetI,axiom,
    ( notsubsetI
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ~ ( in @ Xx @ B )
           => ~ ( subset @ A @ B ) ) ) ) ) ).

thf('120',plain,
    ( notsubsetI
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ~ ( in @ X8 @ X6 )
           => ~ ( subset @ X4 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(subsetE2,axiom,
    ( subsetE2
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( subset @ A @ B )
         => ( ~ ( in @ Xx @ B )
           => ~ ( in @ Xx @ A ) ) ) ) ) ).

thf('121',plain,
    ( subsetE2
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( subset @ X4 @ X6 )
         => ( ~ ( in @ X8 @ X6 )
           => ~ ( in @ X8 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(subsetE,axiom,
    ( subsetE
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( subset @ A @ B )
         => ( ( in @ Xx @ A )
           => ( in @ Xx @ B ) ) ) ) ) ).

thf('122',plain,
    ( subsetE
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( subset @ X4 @ X6 )
         => ( ( in @ X8 @ X4 )
           => ( in @ X8 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(emptysetsubset,axiom,
    ( emptysetsubset
    = ( ! [A: $i] : ( subset @ emptyset @ A ) ) ) ).

thf('123',plain,
    ( emptysetsubset
    = ( ! [X4: $i] : ( subset @ emptyset @ X4 ) ) ),
    define([status(thm)]) ).

thf(subsetI2,axiom,
    ( subsetI2
    = ( ! [A: $i,B: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ( in @ Xx @ B ) )
         => ( subset @ A @ B ) ) ) ) ).

thf('124',plain,
    ( subsetI2
    = ( ! [X4: $i,X6: $i] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X4 )
             => ( in @ X8 @ X6 ) )
         => ( subset @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(eqimpsubset1,axiom,
    ( eqimpsubset1
    = ( ! [A: $i,B: $i] :
          ( ( A = B )
         => ( subset @ A @ B ) ) ) ) ).

thf('125',plain,
    ( eqimpsubset1
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ( subset @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(eqimpsubset2,axiom,
    ( eqimpsubset2
    = ( ! [A: $i,B: $i] :
          ( ( A = B )
         => ( subset @ B @ A ) ) ) ) ).

thf('126',plain,
    ( eqimpsubset2
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ( subset @ X6 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(subsetI1,axiom,
    ( subsetI1
    = ( ! [A: $i,B: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ( in @ Xx @ B ) )
         => ( subset @ A @ B ) ) ) ) ).

thf('127',plain,
    ( subsetI1
    = ( ! [X4: $i,X6: $i] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X4 )
             => ( in @ X8 @ X6 ) )
         => ( subset @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(dsetconstr__Cong,axiom,
    ( dsetconstr__Cong
    = ( ! [A: $i,B: $i] :
          ( ( A = B )
         => ! [Xphi: $i > $o,Xpsi: $i > $o] :
              ( ! [Xx: $i] :
                  ( ( in @ Xx @ A )
                 => ! [Xy: $i] :
                      ( ( in @ Xy @ B )
                     => ( ( Xx = Xy )
                       => ( ( Xphi @ Xx )
                        <=> ( Xpsi @ Xy ) ) ) ) )
             => ( ( dsetconstr @ A
                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
                = ( dsetconstr @ B
                  @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ).

thf('128',plain,
    ( dsetconstr__Cong
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ! [X8: $i > $o,X10: $i > $o] :
              ( ! [X12: $i] :
                  ( ( in @ X12 @ X4 )
                 => ! [X14: $i] :
                      ( ( in @ X14 @ X6 )
                     => ( ( X12 = X14 )
                       => ( ( X8 @ X12 )
                        <=> ( X10 @ X14 ) ) ) ) )
             => ( ( dsetconstr @ X4
                  @ ^ [V_1: $i] : ( X8 @ V_1 ) )
                = ( dsetconstr @ X6
                  @ ^ [V_2: $i] : ( X10 @ V_2 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(descr__Cong,axiom,
    ( descr__Cong
    = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
          ( ! [Xx: $i,Xy: $i] :
              ( ( Xx = Xy )
             => ( ( Xphi @ Xx )
              <=> ( Xpsi @ Xy ) ) )
         => ( ( exu
              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
           => ( ( exu
                @ ^ [Xx: $i] : ( Xpsi @ Xx ) )
             => ( ( descr
                  @ ^ [Xx: $i] : ( Xphi @ Xx ) )
                = ( descr
                  @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ) ) ).

thf('129',plain,
    ( descr__Cong
    = ( ! [X4: $i > $o,X6: $i > $o] :
          ( ! [X8: $i,X10: $i] :
              ( ( X8 = X10 )
             => ( ( X4 @ X8 )
              <=> ( X6 @ X10 ) ) )
         => ( ( exu
              @ ^ [V_1: $i] : ( X4 @ V_1 ) )
           => ( ( exu
                @ ^ [V_2: $i] : ( X6 @ V_2 ) )
             => ( ( descr
                  @ ^ [V_3: $i] : ( X4 @ V_3 ) )
                = ( descr
                  @ ^ [V_4: $i] : ( X6 @ V_4 ) ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(exuEu,axiom,
    ( exuEu
    = ( ! [Xphi: $i > $o] :
          ( ( exu
            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
         => ! [Xx: $i,Xy: $i] :
              ( ( Xphi @ Xx )
             => ( ( Xphi @ Xy )
               => ( Xx = Xy ) ) ) ) ) ) ).

thf('130',plain,
    ( exuEu
    = ( ! [X4: $i > $o] :
          ( ( exu
            @ ^ [V_1: $i] : ( X4 @ V_1 ) )
         => ! [X6: $i,X8: $i] :
              ( ( X4 @ X6 )
             => ( ( X4 @ X8 )
               => ( X6 = X8 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(omega__Cong,axiom,
    ( omega__Cong
    = ( omega = omega ) ) ).

thf('131',plain,
    ( omega__Cong
    = ( omega = omega ) ),
    define([status(thm)]) ).

thf(setunion__Cong,axiom,
    ( setunion__Cong
    = ( ! [A: $i,B: $i] :
          ( ( A = B )
         => ( ( setunion @ A )
            = ( setunion @ B ) ) ) ) ) ).

thf('132',plain,
    ( setunion__Cong
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ( ( setunion @ X4 )
            = ( setunion @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(powerset__Cong,axiom,
    ( powerset__Cong
    = ( ! [A: $i,B: $i] :
          ( ( A = B )
         => ( ( powerset @ A )
            = ( powerset @ B ) ) ) ) ) ).

thf('133',plain,
    ( powerset__Cong
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ( ( powerset @ X4 )
            = ( powerset @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(setadjoin__Cong,axiom,
    ( setadjoin__Cong
    = ( ! [Xx: $i,Xy: $i] :
          ( ( Xx = Xy )
         => ! [Xz: $i,Xu: $i] :
              ( ( Xz = Xu )
             => ( ( setadjoin @ Xx @ Xz )
                = ( setadjoin @ Xy @ Xu ) ) ) ) ) ) ).

thf('134',plain,
    ( setadjoin__Cong
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ! [X8: $i,X10: $i] :
              ( ( X8 = X10 )
             => ( ( setadjoin @ X4 @ X8 )
                = ( setadjoin @ X6 @ X10 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(emptyset__Cong,axiom,
    ( emptyset__Cong
    = ( emptyset = emptyset ) ) ).

thf('135',plain,
    ( emptyset__Cong
    = ( emptyset = emptyset ) ),
    define([status(thm)]) ).

thf(exu__Cong,axiom,
    ( exu__Cong
    = ( ! [Xphi: $i > $o,Xpsi: $i > $o] :
          ( ! [Xx: $i,Xy: $i] :
              ( ( Xx = Xy )
             => ( ( Xphi @ Xx )
              <=> ( Xpsi @ Xy ) ) )
         => ( ( exu
              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
          <=> ( exu
              @ ^ [Xx: $i] : ( Xpsi @ Xx ) ) ) ) ) ) ).

thf('136',plain,
    ( exu__Cong
    = ( ! [X4: $i > $o,X6: $i > $o] :
          ( ! [X8: $i,X10: $i] :
              ( ( X8 = X10 )
             => ( ( X4 @ X8 )
              <=> ( X6 @ X10 ) ) )
         => ( ( exu
              @ ^ [V_1: $i] : ( X4 @ V_1 ) )
          <=> ( exu
              @ ^ [V_2: $i] : ( X6 @ V_2 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(exuE3u,axiom,
    ( exuE3u
    = ( ! [Xphi: $i > $o] :
          ( ( exu
            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
         => ! [Xx: $i,Xy: $i] :
              ( ( Xphi @ Xx )
             => ( ( Xphi @ Xy )
               => ( Xx = Xy ) ) ) ) ) ) ).

thf('137',plain,
    ( exuE3u
    = ( ! [X4: $i > $o] :
          ( ( exu
            @ ^ [V_1: $i] : ( X4 @ V_1 ) )
         => ! [X6: $i,X8: $i] :
              ( ( X4 @ X6 )
             => ( ( X4 @ X8 )
               => ( X6 = X8 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(in__Cong,axiom,
    ( in__Cong
    = ( ! [A: $i,B: $i] :
          ( ( A = B )
         => ! [Xx: $i,Xy: $i] :
              ( ( Xx = Xy )
             => ( ( in @ Xx @ A )
              <=> ( in @ Xy @ B ) ) ) ) ) ) ).

thf('138',plain,
    ( in__Cong
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ! [X8: $i,X10: $i] :
              ( ( X8 = X10 )
             => ( ( in @ X8 @ X4 )
              <=> ( in @ X10 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(inCongP,axiom,
    ( inCongP
    = ( ! [A: $i,B: $i] :
          ( ( A = B )
         => ! [Xx: $i,Xy: $i] :
              ( ( Xx = Xy )
             => ( ( in @ Xx @ A )
               => ( in @ Xy @ B ) ) ) ) ) ) ).

thf('139',plain,
    ( inCongP
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ! [X8: $i,X10: $i] :
              ( ( X8 = X10 )
             => ( ( in @ X8 @ X4 )
               => ( in @ X10 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(exuI2,axiom,
    ( exuI2
    = ( ! [Xphi: $i > $o] :
          ( ? [Xx: $i] :
            ! [Xy: $i] :
              ( ( Xphi @ Xy )
            <=> ( Xy = Xx ) )
         => ( exu
            @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).

thf('140',plain,
    ( exuI2
    = ( ! [X4: $i > $o] :
          ( ? [X6: $i] :
            ! [X8: $i] :
              ( ( X4 @ X8 )
            <=> ( X8 = X6 ) )
         => ( exu
            @ ^ [V_1: $i] : ( X4 @ V_1 ) ) ) ) ),
    define([status(thm)]) ).

thf(exuI3,axiom,
    ( exuI3
    = ( ! [Xphi: $i > $o] :
          ( ? [Xx: $i] : ( Xphi @ Xx )
         => ( ! [Xx: $i,Xy: $i] :
                ( ( Xphi @ Xx )
               => ( ( Xphi @ Xy )
                 => ( Xx = Xy ) ) )
           => ( exu
              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).

thf('141',plain,
    ( exuI3
    = ( ! [X4: $i > $o] :
          ( ? [X6: $i] : ( X4 @ X6 )
         => ( ! [X8: $i,X10: $i] :
                ( ( X4 @ X8 )
               => ( ( X4 @ X10 )
                 => ( X8 = X10 ) ) )
           => ( exu
              @ ^ [V_1: $i] : ( X4 @ V_1 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(exuI1,axiom,
    ( exuI1
    = ( ! [Xphi: $i > $o] :
          ( ? [Xx: $i] :
              ( ! [Xy: $i] :
                  ( ( Xphi @ Xy )
                 => ( Xx = Xy ) )
              & ( Xphi @ Xx ) )
         => ( exu
            @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ).

thf('142',plain,
    ( exuI1
    = ( ! [X4: $i > $o] :
          ( ? [X6: $i] :
              ( ! [X8: $i] :
                  ( ( X4 @ X8 )
                 => ( X6 = X8 ) )
              & ( X4 @ X6 ) )
         => ( exu
            @ ^ [V_1: $i] : ( X4 @ V_1 ) ) ) ) ),
    define([status(thm)]) ).

thf(notdallE,axiom,
    ( notdallE
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ~ ! [Xx: $i] :
                ( ( in @ Xx @ A )
               => ( Xphi @ Xx ) )
         => ? [Xx: $i] :
              ( ~ ( Xphi @ Xx )
              & ( in @ Xx @ A ) ) ) ) ) ).

thf('143',plain,
    ( notdallE
    = ( ! [X4: $i,X6: $i > $o] :
          ( ~ ! [X8: $i] :
                ( ( in @ X8 @ X4 )
               => ( X6 @ X8 ) )
         => ? [X10: $i] :
              ( ~ ( X6 @ X10 )
              & ( in @ X10 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(notdexE,axiom,
    ( notdexE
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ~ ? [Xx: $i] :
                ( ( Xphi @ Xx )
                & ( in @ Xx @ A ) )
         => ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ~ ( Xphi @ Xx ) ) ) ) ) ).

thf('144',plain,
    ( notdexE
    = ( ! [X4: $i,X6: $i > $o] :
          ( ~ ? [X8: $i] :
                ( ( X6 @ X8 )
                & ( in @ X8 @ X4 ) )
         => ! [X10: $i] :
              ( ( in @ X10 @ X4 )
             => ~ ( X6 @ X10 ) ) ) ) ),
    define([status(thm)]) ).

thf(prop2set2propI,axiom,
    ( prop2set2propI
    = ( ! [Xphi: $o] :
          ( Xphi
         => ( set2prop @ ( prop2set @ Xphi ) ) ) ) ) ).

thf('145',plain,
    ( prop2set2propI
    = ( ! [X4: $o] :
          ( X4
         => ( set2prop @ ( prop2set @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(prop2setI,axiom,
    ( prop2setI
    = ( ! [Xphi: $o] :
          ( Xphi
         => ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).

thf('146',plain,
    ( prop2setI
    = ( ! [X4: $o] :
          ( X4
         => ( in @ emptyset @ ( prop2set @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(quantDeMorgan4,axiom,
    ( quantDeMorgan4
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ? [Xx: $i] :
              ( ~ ( Xphi @ Xx )
              & ( in @ Xx @ A ) )
         => ~ ! [Xx: $i] :
                ( ( in @ Xx @ A )
               => ( Xphi @ Xx ) ) ) ) ) ).

thf('147',plain,
    ( quantDeMorgan4
    = ( ! [X4: $i,X6: $i > $o] :
          ( ? [X8: $i] :
              ( ~ ( X6 @ X8 )
              & ( in @ X8 @ X4 ) )
         => ~ ! [X10: $i] :
                ( ( in @ X10 @ X4 )
               => ( X6 @ X10 ) ) ) ) ),
    define([status(thm)]) ).

thf(quantDeMorgan3,axiom,
    ( quantDeMorgan3
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ~ ? [Xx: $i] :
                ( ( Xphi @ Xx )
                & ( in @ Xx @ A ) )
         => ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ~ ( Xphi @ Xx ) ) ) ) ) ).

thf('148',plain,
    ( quantDeMorgan3
    = ( ! [X4: $i,X6: $i > $o] :
          ( ~ ? [X8: $i] :
                ( ( X6 @ X8 )
                & ( in @ X8 @ X4 ) )
         => ! [X10: $i] :
              ( ( in @ X10 @ X4 )
             => ~ ( X6 @ X10 ) ) ) ) ),
    define([status(thm)]) ).

thf(quantDeMorgan2,axiom,
    ( quantDeMorgan2
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ~ ( Xphi @ Xx ) )
         => ~ ? [Xx: $i] :
                ( ( Xphi @ Xx )
                & ( in @ Xx @ A ) ) ) ) ) ).

thf('149',plain,
    ( quantDeMorgan2
    = ( ! [X4: $i,X6: $i > $o] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X4 )
             => ~ ( X6 @ X8 ) )
         => ~ ? [X10: $i] :
                ( ( X6 @ X10 )
                & ( in @ X10 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(quantDeMorgan1,axiom,
    ( quantDeMorgan1
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ~ ! [Xx: $i] :
                ( ( in @ Xx @ A )
               => ( Xphi @ Xx ) )
         => ? [Xx: $i] :
              ( ~ ( Xphi @ Xx )
              & ( in @ Xx @ A ) ) ) ) ) ).

thf('150',plain,
    ( quantDeMorgan1
    = ( ! [X4: $i,X6: $i > $o] :
          ( ~ ! [X8: $i] :
                ( ( in @ X8 @ X4 )
               => ( X6 @ X8 ) )
         => ? [X10: $i] :
              ( ~ ( X6 @ X10 )
              & ( in @ X10 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(vacuousDall,axiom,
    ( vacuousDall
    = ( ! [Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx @ emptyset )
         => ( Xphi @ Xx ) ) ) ) ).

thf('151',plain,
    ( vacuousDall
    = ( ! [X4: $i > $o,X6: $i] :
          ( ( in @ X6 @ emptyset )
         => ( X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(emptyE1,axiom,
    ( emptyE1
    = ( ! [A: $i,Xphi: $i > $o] :
          ( ? [Xx: $i] :
              ( ( Xphi @ Xx )
              & ( in @ Xx @ A ) )
         => ( ( ( dsetconstr @ A
                @ ^ [Xx: $i] : ( Xphi @ Xx ) )
              = emptyset )
           => $false ) ) ) ) ).

thf('152',plain,
    ( emptyE1
    = ( ! [X4: $i,X6: $i > $o] :
          ( ? [X8: $i] :
              ( ( X6 @ X8 )
              & ( in @ X8 @ X4 ) )
         => ( ( ( dsetconstr @ X4
                @ ^ [V_1: $i] : ( X6 @ V_1 ) )
              = emptyset )
           => $false ) ) ) ),
    define([status(thm)]) ).

thf(upairsetIR,axiom,
    ( upairsetIR
    = ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).

thf('153',plain,
    ( upairsetIR
    = ( ! [X4: $i,X6: $i] : ( in @ X6 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(upairsetIL,axiom,
    ( upairsetIL
    = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).

thf('154',plain,
    ( upairsetIL
    = ( ! [X4: $i,X6: $i] : ( in @ X4 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(upairsetE,axiom,
    ( upairsetE
    = ( ! [Xx: $i,Xy: $i,Xz: $i] :
          ( ( in @ Xz @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
         => ( ( Xz = Xx )
            | ( Xz = Xy ) ) ) ) ) ).

thf('155',plain,
    ( upairsetE
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( setadjoin @ X4 @ ( setadjoin @ X6 @ emptyset ) ) )
         => ( ( X8 = X4 )
            | ( X8 = X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(singletonsswitch,axiom,
    ( singletonsswitch
    = ( ! [Xx: $i,Xy: $i] :
          ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
         => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).

thf('156',plain,
    ( singletonsswitch
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) )
         => ( in @ X6 @ ( setadjoin @ X4 @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(eqinunit,axiom,
    ( eqinunit
    = ( ! [Xx: $i,Xy: $i] :
          ( ( Xx = Xy )
         => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ) ).

thf('157',plain,
    ( eqinunit
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 = X6 )
         => ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(notinsingleton,axiom,
    ( notinsingleton
    = ( ! [Xx: $i,Xy: $i] :
          ( ( Xx != Xy )
         => ~ ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).

thf('158',plain,
    ( notinsingleton
    = ( ! [X4: $i,X6: $i] :
          ( ( X4 != X6 )
         => ~ ( in @ X6 @ ( setadjoin @ X4 @ emptyset ) ) ) ) ),
    define([status(thm)]) ).

thf(uniqinunit,axiom,
    ( uniqinunit
    = ( ! [Xx: $i,Xy: $i] :
          ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
         => ( Xx = Xy ) ) ) ) ).

thf('159',plain,
    ( uniqinunit
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X4 @ ( setadjoin @ X6 @ emptyset ) )
         => ( X4 = X6 ) ) ) ),
    define([status(thm)]) ).

thf(nonemptyImpWitness,axiom,
    ( nonemptyImpWitness
    = ( ! [A: $i] :
          ( ( nonempty @ A )
         => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).

thf('160',plain,
    ( nonemptyImpWitness
    = ( ! [X4: $i] :
          ( ( nonempty @ X4 )
         => ? [X6: $i] : ( in @ X6 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(exuE2,axiom,
    ( exuE2
    = ( ! [Xphi: $i > $o] :
          ( ( exu
            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
         => ? [Xx: $i] :
            ! [Xy: $i] :
              ( ( Xphi @ Xy )
            <=> ( Xy = Xx ) ) ) ) ) ).

thf('161',plain,
    ( exuE2
    = ( ! [X4: $i > $o] :
          ( ( exu
            @ ^ [V_1: $i] : ( X4 @ V_1 ) )
         => ? [X6: $i] :
            ! [X8: $i] :
              ( ( X4 @ X8 )
            <=> ( X8 = X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(subPowSU,axiom,
    ( subPowSU
    = ( ! [A: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( in @ Xx @ ( powerset @ ( setunion @ A ) ) ) ) ) ) ).

thf('162',plain,
    ( subPowSU
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X6 @ X4 )
         => ( in @ X6 @ ( powerset @ ( setunion @ X4 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(setunionE,axiom,
    ( setunionE
    = ( ! [A: $i,Xx: $i] :
          ( ( in @ Xx @ ( setunion @ A ) )
         => ! [Xphi: $o] :
              ( ! [B: $i] :
                  ( ( in @ Xx @ B )
                 => ( ( in @ B @ A )
                   => Xphi ) )
             => Xphi ) ) ) ) ).

thf('163',plain,
    ( setunionE
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X6 @ ( setunion @ X4 ) )
         => ! [X8: $o] :
              ( ! [X10: $i] :
                  ( ( in @ X6 @ X10 )
                 => ( ( in @ X10 @ X4 )
                   => X8 ) )
             => X8 ) ) ) ),
    define([status(thm)]) ).

thf(setunionI,axiom,
    ( setunionI
    = ( ! [A: $i,Xx: $i,B: $i] :
          ( ( in @ Xx @ B )
         => ( ( in @ B @ A )
           => ( in @ Xx @ ( setunion @ A ) ) ) ) ) ) ).

thf('164',plain,
    ( setunionI
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X6 @ X8 )
         => ( ( in @ X8 @ X4 )
           => ( in @ X6 @ ( setunion @ X4 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(powersetE,axiom,
    ( powersetE
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ B @ ( powerset @ A ) )
         => ( ( in @ Xx @ B )
           => ( in @ Xx @ A ) ) ) ) ) ).

thf('165',plain,
    ( powersetE
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X6 @ ( powerset @ X4 ) )
         => ( ( in @ X8 @ X6 )
           => ( in @ X8 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(emptyInPowerset,axiom,
    ( emptyInPowerset
    = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).

thf('166',plain,
    ( emptyInPowerset
    = ( ! [X4: $i] : ( in @ emptyset @ ( powerset @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(emptyinPowerset,axiom,
    ( emptyinPowerset
    = ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).

thf('167',plain,
    ( emptyinPowerset
    = ( ! [X4: $i] : ( in @ emptyset @ ( powerset @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(powersetI,axiom,
    ( powersetI
    = ( ! [A: $i,B: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ B )
             => ( in @ Xx @ A ) )
         => ( in @ B @ ( powerset @ A ) ) ) ) ) ).

thf('168',plain,
    ( powersetI
    = ( ! [X4: $i,X6: $i] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X6 )
             => ( in @ X8 @ X4 ) )
         => ( in @ X6 @ ( powerset @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(setoftrueEq,axiom,
    ( setoftrueEq
    = ( ! [A: $i] :
          ( ( dsetconstr @ A
            @ ^ [Xx: $i] : $true )
          = A ) ) ) ).

thf('169',plain,
    ( setoftrueEq
    = ( ! [X4: $i] :
          ( ( dsetconstr @ X4
            @ ^ [V_1: $i] : $true )
          = X4 ) ) ),
    define([status(thm)]) ).

thf(setadjoinOr,axiom,
    ( setadjoinOr
    = ( ! [Xx: $i,A: $i,Xy: $i] :
          ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
         => ( ( Xy = Xx )
            | ( in @ Xy @ A ) ) ) ) ) ).

thf('170',plain,
    ( setadjoinOr
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) )
         => ( ( X8 = X4 )
            | ( in @ X8 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(setadjoinE,axiom,
    ( setadjoinE
    = ( ! [Xx: $i,A: $i,Xy: $i] :
          ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
         => ! [Xphi: $o] :
              ( ( ( Xy = Xx )
               => Xphi )
             => ( ( ( in @ Xy @ A )
                 => Xphi )
               => Xphi ) ) ) ) ) ).

thf('171',plain,
    ( setadjoinE
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) )
         => ! [X10: $o] :
              ( ( ( X8 = X4 )
               => X10 )
             => ( ( ( in @ X8 @ X6 )
                 => X10 )
               => X10 ) ) ) ) ),
    define([status(thm)]) ).

thf(setadjoinIR,axiom,
    ( setadjoinIR
    = ( ! [Xx: $i,A: $i,Xy: $i] :
          ( ( in @ Xy @ A )
         => ( in @ Xy @ ( setadjoin @ Xx @ A ) ) ) ) ) ).

thf('172',plain,
    ( setadjoinIR
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ X6 )
         => ( in @ X8 @ ( setadjoin @ X4 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(emptyinunitempty,axiom,
    ( emptyinunitempty
    = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ) ).

thf('173',plain,
    ( emptyinunitempty
    = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ),
    inference(simplify_rw_rule,[status(thm)],[emptyinunitempty]) ).

thf('174',plain,
    ( emptyinunitempty
    = ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ),
    define([status(thm)]) ).

thf(setadjoinIL,axiom,
    ( setadjoinIL
    = ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).

thf('175',plain,
    ( setadjoinIL
    = ( ! [X4: $i,X6: $i] : ( in @ X4 @ ( setadjoin @ X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(nonemptyI1,axiom,
    ( nonemptyI1
    = ( ! [A: $i] :
          ( ? [Xx: $i] : ( in @ Xx @ A )
         => ( nonempty @ A ) ) ) ) ).

thf('176',plain,
    ( nonemptyI1
    = ( ! [X4: $i] :
          ( ? [X6: $i] : ( in @ X6 @ X4 )
         => ( nonempty @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(nonemptyI,axiom,
    ( nonemptyI
    = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ( Xphi @ Xx )
           => ( nonempty
              @ ( dsetconstr @ A
                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).

thf('177',plain,
    ( nonemptyI
    = ( ! [X4: $i,X6: $i > $o,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ( X6 @ X8 )
           => ( nonempty
              @ ( dsetconstr @ X4
                @ ^ [V_1: $i] : ( X6 @ V_1 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(nonemptyE1,axiom,
    ( nonemptyE1
    = ( ! [A: $i] :
          ( ( nonempty @ A )
         => ? [Xx: $i] : ( in @ Xx @ A ) ) ) ) ).

thf('178',plain,
    ( nonemptyE1
    = ( ! [X4: $i] :
          ( ( nonempty @ X4 )
         => ? [X6: $i] : ( in @ X6 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(nonempty,axiom,
    ( nonempty
    = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).

thf('179',plain,
    ( nonempty
    = ( ^ [Xx: $i] : ( Xx != emptyset ) ) ),
    inference(simplify_rw_rule,[status(thm)],[nonempty]) ).

thf('180',plain,
    ( nonempty
    = ( ^ [V_1: $i] : ( V_1 != emptyset ) ) ),
    define([status(thm)]) ).

thf(setbeta,axiom,
    ( setbeta
    = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ( in @ Xx
              @ ( dsetconstr @ A
                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
          <=> ( Xphi @ Xx ) ) ) ) ) ).

thf('181',plain,
    ( setbeta
    = ( ! [X4: $i,X6: $i > $o,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ( in @ X8
              @ ( dsetconstr @ X4
                @ ^ [V_1: $i] : ( X6 @ V_1 ) ) )
          <=> ( X6 @ X8 ) ) ) ) ),
    define([status(thm)]) ).

thf(noeltsimpempty,axiom,
    ( noeltsimpempty
    = ( ! [A: $i] :
          ( ! [Xx: $i] :
              ~ ( in @ Xx @ A )
         => ( A = emptyset ) ) ) ) ).

thf('182',plain,
    ( noeltsimpempty
    = ( ! [X4: $i] :
          ( ! [X6: $i] :
              ~ ( in @ X6 @ X4 )
         => ( X4 = emptyset ) ) ) ),
    define([status(thm)]) ).

thf(emptyI,axiom,
    ( emptyI
    = ( ! [A: $i] :
          ( ! [Xx: $i] :
              ~ ( in @ Xx @ A )
         => ( A = emptyset ) ) ) ) ).

thf('183',plain,
    ( emptyI
    = ( ! [X4: $i] :
          ( ! [X6: $i] :
              ~ ( in @ X6 @ X4 )
         => ( X4 = emptyset ) ) ) ),
    define([status(thm)]) ).

thf(setext,axiom,
    ( setext
    = ( ! [A: $i,B: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ( in @ Xx @ B ) )
         => ( ! [Xx: $i] :
                ( ( in @ Xx @ B )
               => ( in @ Xx @ A ) )
           => ( A = B ) ) ) ) ) ).

thf('184',plain,
    ( setext
    = ( ! [X4: $i,X6: $i] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X4 )
             => ( in @ X8 @ X6 ) )
         => ( ! [X10: $i] :
                ( ( in @ X10 @ X6 )
               => ( in @ X10 @ X4 ) )
           => ( X4 = X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(exuE3e,axiom,
    ( exuE3e
    = ( ! [Xphi: $i > $o] :
          ( ( exu
            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
         => ? [Xx: $i] : ( Xphi @ Xx ) ) ) ) ).

thf('185',plain,
    ( exuE3e
    = ( ! [X4: $i > $o] :
          ( ( exu
            @ ^ [V_1: $i] : ( X4 @ V_1 ) )
         => ? [X6: $i] : ( X4 @ X6 ) ) ) ),
    define([status(thm)]) ).

thf(notinemptyset,axiom,
    ( notinemptyset
    = ( ! [Xx: $i] :
          ~ ( in @ Xx @ emptyset ) ) ) ).

thf('186',plain,
    ( notinemptyset
    = ( ! [X4: $i] :
          ~ ( in @ X4 @ emptyset ) ) ),
    define([status(thm)]) ).

thf(emptysetimpfalse,axiom,
    ( emptysetimpfalse
    = ( ! [Xx: $i] :
          ( ( in @ Xx @ emptyset )
         => $false ) ) ) ).

thf('187',plain,
    ( emptysetimpfalse
    = ( ! [X4: $i] :
          ( ( in @ X4 @ emptyset )
         => $false ) ) ),
    define([status(thm)]) ).

thf(emptysetE,axiom,
    ( emptysetE
    = ( ! [Xx: $i] :
          ( ( in @ Xx @ emptyset )
         => ! [Xphi: $o] : Xphi ) ) ) ).

thf('188',plain,
    ( emptysetE
    = ( ! [X4: $i] :
          ( ( in @ X4 @ emptyset )
         => ! [X6: $o] : X6 ) ) ),
    define([status(thm)]) ).

thf(prop2setE,axiom,
    ( prop2setE
    = ( ! [Xphi: $o,Xx: $i] :
          ( ( in @ Xx @ ( prop2set @ Xphi ) )
         => Xphi ) ) ) ).

thf('189',plain,
    ( prop2setE
    = ( ! [X4: $o,X6: $i] :
          ( ( in @ X6 @ ( prop2set @ X4 ) )
         => X4 ) ) ),
    define([status(thm)]) ).

thf(exuE1,axiom,
    ( exuE1
    = ( ! [Xphi: $i > $o] :
          ( ( exu
            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
         => ? [Xx: $i] :
              ( ! [Xy: $i] :
                  ( ( Xphi @ Xy )
                 => ( Xx = Xy ) )
              & ( Xphi @ Xx ) ) ) ) ) ).

thf('190',plain,
    ( exuE1
    = ( ! [X4: $i > $o] :
          ( ( exu
            @ ^ [V_1: $i] : ( X4 @ V_1 ) )
         => ? [X6: $i] :
              ( ! [X8: $i] :
                  ( ( X4 @ X8 )
                 => ( X6 = X8 ) )
              & ( X4 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(dsetconstrER,axiom,
    ( dsetconstrER
    = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx
            @ ( dsetconstr @ A
              @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
         => ( Xphi @ Xx ) ) ) ) ).

thf('191',plain,
    ( dsetconstrER
    = ( ! [X4: $i,X6: $i > $o,X8: $i] :
          ( ( in @ X8
            @ ( dsetconstr @ X4
              @ ^ [V_1: $i] : ( X6 @ V_1 ) ) )
         => ( X6 @ X8 ) ) ) ),
    define([status(thm)]) ).

thf(dsetconstrEL,axiom,
    ( dsetconstrEL
    = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx
            @ ( dsetconstr @ A
              @ ^ [Xy: $i] : ( Xphi @ Xy ) ) )
         => ( in @ Xx @ A ) ) ) ) ).

thf('192',plain,
    ( dsetconstrEL
    = ( ! [X4: $i,X6: $i > $o,X8: $i] :
          ( ( in @ X8
            @ ( dsetconstr @ X4
              @ ^ [V_1: $i] : ( X6 @ V_1 ) ) )
         => ( in @ X8 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(dsetconstrI,axiom,
    ( dsetconstrI
    = ( ! [A: $i,Xphi: $i > $o,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ( Xphi @ Xx )
           => ( in @ Xx
              @ ( dsetconstr @ A
                @ ^ [Xy: $i] : ( Xphi @ Xy ) ) ) ) ) ) ) ).

thf('193',plain,
    ( dsetconstrI
    = ( ! [X4: $i,X6: $i > $o,X8: $i] :
          ( ( in @ X8 @ X4 )
         => ( ( X6 @ X8 )
           => ( in @ X8
              @ ( dsetconstr @ X4
                @ ^ [V_1: $i] : ( X6 @ V_1 ) ) ) ) ) ) ),
    define([status(thm)]) ).

thf(descrp,axiom,
    ( descrp
    = ( ! [Xphi: $i > $o] :
          ( ( exu
            @ ^ [Xx: $i] : ( Xphi @ Xx ) )
         => ( Xphi
            @ ( descr
              @ ^ [Xx: $i] : ( Xphi @ Xx ) ) ) ) ) ) ).

thf('194',plain,
    ( descrp
    = ( ! [X4: $i > $o] :
          ( ( exu
            @ ^ [V_1: $i] : ( X4 @ V_1 ) )
         => ( X4
            @ ( descr
              @ ^ [V_2: $i] : ( X4 @ V_2 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(wellorderingAx,axiom,
    ( wellorderingAx
    = ( ! [A: $i] :
        ? [B: $i] :
          ( ! [C: $i] :
              ( ( ! [Xx: $i] :
                    ( ( in @ Xx @ C )
                   => ( in @ Xx @ A ) )
                & ? [Xx: $i] : ( in @ Xx @ C ) )
             => ? [D: $i,Xx: $i] :
                  ( ! [E: $i] :
                      ( ( in @ E @ B )
                     => ( ! [Xy: $i] :
                            ( ( in @ Xy @ E )
                           => ( in @ Xy @ D ) )
                        | ( in @ Xx @ E ) ) )
                  & ~ ? [Xy: $i] :
                        ( ( in @ Xy @ C )
                        & ( in @ Xy @ D ) )
                  & ( in @ Xx @ C )
                  & ( in @ D @ B ) ) )
          & ! [C: $i,D: $i] :
              ( ( ( in @ C @ B )
                & ( in @ D @ B ) )
             => ( ! [Xx: $i] :
                    ( ( in @ Xx @ C )
                   => ( in @ Xx @ D ) )
                | ! [Xx: $i] :
                    ( ( in @ Xx @ D )
                   => ( in @ Xx @ C ) ) ) )
          & ! [Xx: $i,Xy: $i] :
              ( ( ( in @ Xx @ A )
                & ( in @ Xy @ A ) )
             => ( ! [C: $i] :
                    ( ( in @ C @ B )
                   => ( ( in @ Xx @ C )
                    <=> ( in @ Xy @ C ) ) )
               => ( Xx = Xy ) ) )
          & ! [C: $i] :
              ( ( in @ C @ B )
             => ! [Xx: $i] :
                  ( ( in @ Xx @ C )
                 => ( in @ Xx @ A ) ) ) ) ) ) ).

thf('195',plain,
    ( wellorderingAx
    = ( ! [X4: $i] :
        ? [X6: $i] :
          ( ! [X8: $i] :
              ( ( ! [X10: $i] :
                    ( ( in @ X10 @ X8 )
                   => ( in @ X10 @ X4 ) )
                & ? [X12: $i] : ( in @ X12 @ X8 ) )
             => ? [X14: $i,X16: $i] :
                  ( ! [X18: $i] :
                      ( ( in @ X18 @ X6 )
                     => ( ! [X20: $i] :
                            ( ( in @ X20 @ X18 )
                           => ( in @ X20 @ X14 ) )
                        | ( in @ X16 @ X18 ) ) )
                  & ~ ? [X22: $i] :
                        ( ( in @ X22 @ X8 )
                        & ( in @ X22 @ X14 ) )
                  & ( in @ X16 @ X8 )
                  & ( in @ X14 @ X6 ) ) )
          & ! [X24: $i,X26: $i] :
              ( ( ( in @ X24 @ X6 )
                & ( in @ X26 @ X6 ) )
             => ( ! [X28: $i] :
                    ( ( in @ X28 @ X24 )
                   => ( in @ X28 @ X26 ) )
                | ! [X30: $i] :
                    ( ( in @ X30 @ X26 )
                   => ( in @ X30 @ X24 ) ) ) )
          & ! [X32: $i,X34: $i] :
              ( ( ( in @ X32 @ X4 )
                & ( in @ X34 @ X4 ) )
             => ( ! [X36: $i] :
                    ( ( in @ X36 @ X6 )
                   => ( ( in @ X32 @ X36 )
                    <=> ( in @ X34 @ X36 ) ) )
               => ( X32 = X34 ) ) )
          & ! [X38: $i] :
              ( ( in @ X38 @ X6 )
             => ! [X40: $i] :
                  ( ( in @ X40 @ X38 )
                 => ( in @ X40 @ X4 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(foundationAx,axiom,
    ( foundationAx
    = ( ! [A: $i] :
          ( ? [Xx: $i] : ( in @ Xx @ A )
         => ? [B: $i] :
              ( ~ ? [Xx: $i] :
                    ( ( in @ Xx @ A )
                    & ( in @ Xx @ B ) )
              & ( in @ B @ A ) ) ) ) ) ).

thf('196',plain,
    ( foundationAx
    = ( ! [X4: $i] :
          ( ? [X6: $i] : ( in @ X6 @ X4 )
         => ? [X8: $i] :
              ( ~ ? [X10: $i] :
                    ( ( in @ X10 @ X4 )
                    & ( in @ X10 @ X8 ) )
              & ( in @ X8 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(replAx,axiom,
    ( replAx
    = ( ! [Xphi: $i > $i > $o,A: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
             => ( exu
                @ ^ [Xy: $i] : ( Xphi @ Xx @ Xy ) ) )
         => ? [B: $i] :
            ! [Xx: $i] :
              ( ( in @ Xx @ B )
            <=> ? [Xy: $i] :
                  ( ( Xphi @ Xy @ Xx )
                  & ( in @ Xy @ A ) ) ) ) ) ) ).

thf('197',plain,
    ( replAx
    = ( ! [X4: $i > $i > $o,X6: $i] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X6 )
             => ( exu
                @ ^ [V_1: $i] : ( X4 @ X8 @ V_1 ) ) )
         => ? [X10: $i] :
            ! [X12: $i] :
              ( ( in @ X12 @ X10 )
            <=> ? [X14: $i] :
                  ( ( X4 @ X14 @ X12 )
                  & ( in @ X14 @ X6 ) ) ) ) ) ),
    define([status(thm)]) ).

thf(omegaIndAx,axiom,
    ( omegaIndAx
    = ( ! [A: $i] :
          ( ( ( in @ emptyset @ A )
            & ! [Xx: $i] :
                ( ( ( in @ Xx @ omega )
                  & ( in @ Xx @ A ) )
               => ( in @ ( setadjoin @ Xx @ Xx ) @ A ) ) )
         => ! [Xx: $i] :
              ( ( in @ Xx @ omega )
             => ( in @ Xx @ A ) ) ) ) ) ).

thf('198',plain,
    ( omegaIndAx
    = ( ! [X4: $i] :
          ( ( ( in @ emptyset @ X4 )
            & ! [X6: $i] :
                ( ( ( in @ X6 @ omega )
                  & ( in @ X6 @ X4 ) )
               => ( in @ ( setadjoin @ X6 @ X6 ) @ X4 ) ) )
         => ! [X8: $i] :
              ( ( in @ X8 @ omega )
             => ( in @ X8 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(omegaSAx,axiom,
    ( omegaSAx
    = ( ! [Xx: $i] :
          ( ( in @ Xx @ omega )
         => ( in @ ( setadjoin @ Xx @ Xx ) @ omega ) ) ) ) ).

thf('199',plain,
    ( omegaSAx
    = ( ! [X4: $i] :
          ( ( in @ X4 @ omega )
         => ( in @ ( setadjoin @ X4 @ X4 ) @ omega ) ) ) ),
    define([status(thm)]) ).

thf(omega0Ax,axiom,
    ( omega0Ax
    = ( in @ emptyset @ omega ) ) ).

thf('200',plain,
    ( omega0Ax
    = ( in @ emptyset @ omega ) ),
    inference(simplify_rw_rule,[status(thm)],[omega0Ax]) ).

thf('201',plain,
    ( omega0Ax
    = ( in @ emptyset @ omega ) ),
    define([status(thm)]) ).

thf(setunionAx,axiom,
    ( setunionAx
    = ( ! [A: $i,Xx: $i] :
          ( ( in @ Xx @ ( setunion @ A ) )
        <=> ? [B: $i] :
              ( ( in @ B @ A )
              & ( in @ Xx @ B ) ) ) ) ) ).

thf('202',plain,
    ( setunionAx
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X6 @ ( setunion @ X4 ) )
        <=> ? [X8: $i] :
              ( ( in @ X8 @ X4 )
              & ( in @ X6 @ X8 ) ) ) ) ),
    define([status(thm)]) ).

thf(powersetAx,axiom,
    ( powersetAx
    = ( ! [A: $i,B: $i] :
          ( ( in @ B @ ( powerset @ A ) )
        <=> ! [Xx: $i] :
              ( ( in @ Xx @ B )
             => ( in @ Xx @ A ) ) ) ) ) ).

thf('203',plain,
    ( powersetAx
    = ( ! [X4: $i,X6: $i] :
          ( ( in @ X6 @ ( powerset @ X4 ) )
        <=> ! [X8: $i] :
              ( ( in @ X8 @ X6 )
             => ( in @ X8 @ X4 ) ) ) ) ),
    define([status(thm)]) ).

thf(setadjoinAx,axiom,
    ( setadjoinAx
    = ( ! [Xx: $i,A: $i,Xy: $i] :
          ( ( in @ Xy @ ( setadjoin @ Xx @ A ) )
        <=> ( ( Xy = Xx )
            | ( in @ Xy @ A ) ) ) ) ) ).

thf('204',plain,
    ( setadjoinAx
    = ( ! [X4: $i,X6: $i,X8: $i] :
          ( ( in @ X8 @ ( setadjoin @ X4 @ X6 ) )
        <=> ( ( X8 = X4 )
            | ( in @ X8 @ X6 ) ) ) ) ),
    define([status(thm)]) ).

thf(emptysetAx,axiom,
    ( emptysetAx
    = ( ! [Xx: $i] :
          ~ ( in @ Xx @ emptyset ) ) ) ).

thf('205',plain,
    ( emptysetAx
    = ( ! [X4: $i] :
          ~ ( in @ X4 @ emptyset ) ) ),
    define([status(thm)]) ).

thf(setextAx,axiom,
    ( setextAx
    = ( ! [A: $i,B: $i] :
          ( ! [Xx: $i] :
              ( ( in @ Xx @ A )
            <=> ( in @ Xx @ B ) )
         => ( A = B ) ) ) ) ).

thf('206',plain,
    ( setextAx
    = ( ! [X4: $i,X6: $i] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X4 )
            <=> ( in @ X8 @ X6 ) )
         => ( X4 = X6 ) ) ) ),
    define([status(thm)]) ).

thf(exu,axiom,
    ( exu
    = ( ^ [Xphi: $i > $o] :
        ? [Xx: $i] :
          ( ! [Xy: $i] :
              ( ( Xphi @ Xy )
             => ( Xx = Xy ) )
          & ( Xphi @ Xx ) ) ) ) ).

thf('207',plain,
    ( exu
    = ( ^ [Xphi: $i > $o] :
        ? [Xx: $i] :
          ( ! [Xy: $i] :
              ( ( Xphi @ Xy )
             => ( Xx = Xy ) )
          & ( Xphi @ Xx ) ) ) ),
    inference(simplify_rw_rule,[status(thm)],[exu]) ).

thf('208',plain,
    ( exu
    = ( ^ [V_1: $i > $o] :
        ? [X4: $i] :
          ( ! [X6: $i] :
              ( ( V_1 @ X6 )
             => ( X4 = X6 ) )
          & ( V_1 @ X4 ) ) ) ),
    define([status(thm)]) ).

thf(infuncsetfunc,conjecture,
    ( setextAx
   => ( emptysetAx
     => ( setadjoinAx
       => ( powersetAx
         => ( setunionAx
           => ( omega0Ax
             => ( omegaSAx
               => ( omegaIndAx
                 => ( replAx
                   => ( foundationAx
                     => ( wellorderingAx
                       => ( descrp
                         => ( dsetconstrI
                           => ( dsetconstrEL
                             => ( dsetconstrER
                               => ( exuE1
                                 => ( prop2setE
                                   => ( emptysetE
                                     => ( emptysetimpfalse
                                       => ( notinemptyset
                                         => ( exuE3e
                                           => ( setext
                                             => ( emptyI
                                               => ( noeltsimpempty
                                                 => ( setbeta
                                                   => ( nonemptyE1
                                                     => ( nonemptyI
                                                       => ( nonemptyI1
                                                         => ( setadjoinIL
                                                           => ( emptyinunitempty
                                                             => ( setadjoinIR
                                                               => ( setadjoinE
                                                                 => ( setadjoinOr
                                                                   => ( setoftrueEq
                                                                     => ( powersetI
                                                                       => ( emptyinPowerset
                                                                         => ( emptyInPowerset
                                                                           => ( powersetE
                                                                             => ( setunionI
                                                                               => ( setunionE
                                                                                 => ( subPowSU
                                                                                   => ( exuE2
                                                                                     => ( nonemptyImpWitness
                                                                                       => ( uniqinunit
                                                                                         => ( notinsingleton
                                                                                           => ( eqinunit
                                                                                             => ( singletonsswitch
                                                                                               => ( upairsetE
                                                                                                 => ( upairsetIL
                                                                                                   => ( upairsetIR
                                                                                                     => ( emptyE1
                                                                                                       => ( vacuousDall
                                                                                                         => ( quantDeMorgan1
                                                                                                           => ( quantDeMorgan2
                                                                                                             => ( quantDeMorgan3
                                                                                                               => ( quantDeMorgan4
                                                                                                                 => ( prop2setI
                                                                                                                   => ( prop2set2propI
                                                                                                                     => ( notdexE
                                                                                                                       => ( notdallE
                                                                                                                         => ( exuI1
                                                                                                                           => ( exuI3
                                                                                                                             => ( exuI2
                                                                                                                               => ( inCongP
                                                                                                                                 => ( in__Cong
                                                                                                                                   => ( exuE3u
                                                                                                                                     => ( exu__Cong
                                                                                                                                       => ( emptyset__Cong
                                                                                                                                         => ( setadjoin__Cong
                                                                                                                                           => ( powerset__Cong
                                                                                                                                             => ( setunion__Cong
                                                                                                                                               => ( omega__Cong
                                                                                                                                                 => ( exuEu
                                                                                                                                                   => ( descr__Cong
                                                                                                                                                     => ( dsetconstr__Cong
                                                                                                                                                       => ( subsetI1
                                                                                                                                                         => ( eqimpsubset2
                                                                                                                                                           => ( eqimpsubset1
                                                                                                                                                             => ( subsetI2
                                                                                                                                                               => ( emptysetsubset
                                                                                                                                                                 => ( subsetE
                                                                                                                                                                   => ( subsetE2
                                                                                                                                                                     => ( notsubsetI
                                                                                                                                                                       => ( notequalI1
                                                                                                                                                                         => ( notequalI2
                                                                                                                                                                           => ( subsetRefl
                                                                                                                                                                             => ( subsetTrans
                                                                                                                                                                               => ( setadjoinSub
                                                                                                                                                                                 => ( setadjoinSub2
                                                                                                                                                                                   => ( subset2powerset
                                                                                                                                                                                     => ( setextsub
                                                                                                                                                                                       => ( subsetemptysetimpeq
                                                                                                                                                                                         => ( powersetI1
                                                                                                                                                                                           => ( powersetE1
                                                                                                                                                                                             => ( inPowerset
                                                                                                                                                                                               => ( powersetsubset
                                                                                                                                                                                                 => ( sepInPowerset
                                                                                                                                                                                                   => ( sepSubset
                                                                                                                                                                                                     => ( binunionIL
                                                                                                                                                                                                       => ( upairset2IR
                                                                                                                                                                                                         => ( binunionIR
                                                                                                                                                                                                           => ( binunionEcases
                                                                                                                                                                                                             => ( binunionE
                                                                                                                                                                                                               => ( binunionLsub
                                                                                                                                                                                                                 => ( binunionRsub
                                                                                                                                                                                                                   => ( binintersectI
                                                                                                                                                                                                                     => ( binintersectSubset5
                                                                                                                                                                                                                       => ( binintersectEL
                                                                                                                                                                                                                         => ( binintersectLsub
                                                                                                                                                                                                                           => ( binintersectSubset2
                                                                                                                                                                                                                             => ( binintersectSubset3
                                                                                                                                                                                                                               => ( binintersectER
                                                                                                                                                                                                                                 => ( disjointsetsI1
                                                                                                                                                                                                                                   => ( binintersectRsub
                                                                                                                                                                                                                                     => ( binintersectSubset4
                                                                                                                                                                                                                                       => ( binintersectSubset1
                                                                                                                                                                                                                                         => ( bs114d
                                                                                                                                                                                                                                           => ( setminusI
                                                                                                                                                                                                                                             => ( setminusEL
                                                                                                                                                                                                                                               => ( setminusER
                                                                                                                                                                                                                                                 => ( setminusSubset2
                                                                                                                                                                                                                                                   => ( setminusERneg
                                                                                                                                                                                                                                                     => ( setminusELneg
                                                                                                                                                                                                                                                       => ( setminusILneg
                                                                                                                                                                                                                                                         => ( setminusIRneg
                                                                                                                                                                                                                                                           => ( setminusLsub
                                                                                                                                                                                                                                                             => ( setminusSubset1
                                                                                                                                                                                                                                                               => ( symdiffE
                                                                                                                                                                                                                                                                 => ( symdiffI1
                                                                                                                                                                                                                                                                   => ( symdiffI2
                                                                                                                                                                                                                                                                     => ( symdiffIneg1
                                                                                                                                                                                                                                                                       => ( symdiffIneg2
                                                                                                                                                                                                                                                                         => ( secondinupair
                                                                                                                                                                                                                                                                           => ( setukpairIL
                                                                                                                                                                                                                                                                             => ( setukpairIR
                                                                                                                                                                                                                                                                               => ( kpairiskpair
                                                                                                                                                                                                                                                                                 => ( kpairp
                                                                                                                                                                                                                                                                                   => ( singletonsubset
                                                                                                                                                                                                                                                                                     => ( singletoninpowerset
                                                                                                                                                                                                                                                                                       => ( singletoninpowunion
                                                                                                                                                                                                                                                                                         => ( upairset2E
                                                                                                                                                                                                                                                                                           => ( upairsubunion
                                                                                                                                                                                                                                                                                             => ( upairinpowunion
                                                                                                                                                                                                                                                                                               => ( ubforcartprodlem1
                                                                                                                                                                                                                                                                                                 => ( ubforcartprodlem2
                                                                                                                                                                                                                                                                                                   => ( ubforcartprodlem3
                                                                                                                                                                                                                                                                                                     => ( cartprodpairin
                                                                                                                                                                                                                                                                                                       => ( cartprodmempair1
                                                                                                                                                                                                                                                                                                         => ( cartprodmempair
                                                                                                                                                                                                                                                                                                           => ( setunionE2
                                                                                                                                                                                                                                                                                                             => ( setunionsingleton1
                                                                                                                                                                                                                                                                                                               => ( setunionsingleton2
                                                                                                                                                                                                                                                                                                                 => ( setunionsingleton
                                                                                                                                                                                                                                                                                                                   => ( singletonprop
                                                                                                                                                                                                                                                                                                                     => ( ex1E1
                                                                                                                                                                                                                                                                                                                       => ( ex1I
                                                                                                                                                                                                                                                                                                                         => ( ex1I2
                                                                                                                                                                                                                                                                                                                           => ( singletonsuniq
                                                                                                                                                                                                                                                                                                                             => ( setukpairinjL1
                                                                                                                                                                                                                                                                                                                               => ( kfstsingleton
                                                                                                                                                                                                                                                                                                                                 => ( theprop
                                                                                                                                                                                                                                                                                                                                   => ( kfstpairEq
                                                                                                                                                                                                                                                                                                                                     => ( cartprodfstin
                                                                                                                                                                                                                                                                                                                                       => ( setukpairinjL2
                                                                                                                                                                                                                                                                                                                                         => ( setukpairinjL
                                                                                                                                                                                                                                                                                                                                           => ( setukpairinjR11
                                                                                                                                                                                                                                                                                                                                             => ( setukpairinjR12
                                                                                                                                                                                                                                                                                                                                               => ( setukpairinjR1
                                                                                                                                                                                                                                                                                                                                                 => ( upairequniteq
                                                                                                                                                                                                                                                                                                                                                   => ( setukpairinjR2
                                                                                                                                                                                                                                                                                                                                                     => ( setukpairinjR
                                                                                                                                                                                                                                                                                                                                                       => ( ksndsingleton
                                                                                                                                                                                                                                                                                                                                                         => ( ksndpairEq
                                                                                                                                                                                                                                                                                                                                                           => ( kpairsurjEq
                                                                                                                                                                                                                                                                                                                                                             => ( cartprodsndin
                                                                                                                                                                                                                                                                                                                                                               => ( cartprodpairmemEL
                                                                                                                                                                                                                                                                                                                                                                 => ( cartprodpairmemER
                                                                                                                                                                                                                                                                                                                                                                   => ( cartprodmempaircEq
                                                                                                                                                                                                                                                                                                                                                                     => ( cartprodfstpairEq
                                                                                                                                                                                                                                                                                                                                                                       => ( cartprodsndpairEq
                                                                                                                                                                                                                                                                                                                                                                         => ( cartprodpairsurjEq
                                                                                                                                                                                                                                                                                                                                                                           => ( dpsetconstrI
                                                                                                                                                                                                                                                                                                                                                                             => ( dpsetconstrSub
                                                                                                                                                                                                                                                                                                                                                                               => ( setOfPairsIsBReln
                                                                                                                                                                                                                                                                                                                                                                                 => ( dpsetconstrERa
                                                                                                                                                                                                                                                                                                                                                                                   => ( dpsetconstrEL1
                                                                                                                                                                                                                                                                                                                                                                                     => ( dpsetconstrEL2
                                                                                                                                                                                                                                                                                                                                                                                       => ( dpsetconstrER
                                                                                                                                                                                                                                                                                                                                                                                         => ( funcImageSingleton
                                                                                                                                                                                                                                                                                                                                                                                           => ( apProp
                                                                                                                                                                                                                                                                                                                                                                                             => ( app
                                                                                                                                                                                                                                                                                                                                                                                               => ! [A: $i,B: $i,Xf: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Xf @ ( funcSet @ A @ B ) )
                                                                                                                                                                                                                                                                                                                                                                                                   => ( func @ A @ B @ Xf ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).

thf(zf_stmt_0,conjecture,
    ( ! [X4: $i,X6: $i] :
        ( ! [X8: $i] :
            ( ( in @ X8 @ X4 )
          <=> ( in @ X8 @ X6 ) )
       => ( X4 = X6 ) )
   => ( ! [X10: $i] :
          ~ ( in @ X10 @ emptyset )
     => ( ! [X12: $i,X14: $i,X16: $i] :
            ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) )
          <=> ( ( in @ X16 @ X14 )
              | ( X16 = X12 ) ) )
       => ( ! [X18: $i,X20: $i] :
              ( ( in @ X20 @ ( powerset @ X18 ) )
            <=> ! [X22: $i] :
                  ( ( in @ X22 @ X20 )
                 => ( in @ X22 @ X18 ) ) )
         => ( ! [X24: $i,X26: $i] :
                ( ( in @ X26 @ ( setunion @ X24 ) )
              <=> ? [X28: $i] :
                    ( ( in @ X26 @ X28 )
                    & ( in @ X28 @ X24 ) ) )
           => ( ( in @ emptyset @ omega )
             => ( ! [X30: $i] :
                    ( ( in @ X30 @ omega )
                   => ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) )
               => ( ! [X32: $i] :
                      ( ( ! [X34: $i] :
                            ( ( ( in @ X34 @ X32 )
                              & ( in @ X34 @ omega ) )
                           => ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) )
                        & ( in @ emptyset @ X32 ) )
                     => ! [X36: $i] :
                          ( ( in @ X36 @ omega )
                         => ( in @ X36 @ X32 ) ) )
                 => ( ! [X38: $i > $i > $o,X40: $i] :
                        ( ! [X42: $i] :
                            ( ( in @ X42 @ X40 )
                           => ? [X44: $i] :
                                ( ( X38 @ X42 @ X44 )
                                & ! [X46: $i] :
                                    ( ( X38 @ X42 @ X46 )
                                   => ( X44 = X46 ) ) ) )
                       => ? [X48: $i] :
                          ! [X50: $i] :
                            ( ( in @ X50 @ X48 )
                          <=> ? [X52: $i] :
                                ( ( in @ X52 @ X40 )
                                & ( X38 @ X52 @ X50 ) ) ) )
                   => ( ! [X54: $i] :
                          ( ? [X56: $i] : ( in @ X56 @ X54 )
                         => ? [X58: $i] :
                              ( ( in @ X58 @ X54 )
                              & ~ ? [X60: $i] :
                                    ( ( in @ X60 @ X58 )
                                    & ( in @ X60 @ X54 ) ) ) )
                     => ( ! [X62: $i] :
                          ? [X64: $i] :
                            ( ! [X96: $i] :
                                ( ( in @ X96 @ X64 )
                               => ! [X98: $i] :
                                    ( ( in @ X98 @ X96 )
                                   => ( in @ X98 @ X62 ) ) )
                            & ! [X90: $i,X92: $i] :
                                ( ( ( in @ X92 @ X62 )
                                  & ( in @ X90 @ X62 ) )
                               => ( ! [X94: $i] :
                                      ( ( in @ X94 @ X64 )
                                     => ( ( in @ X90 @ X94 )
                                      <=> ( in @ X92 @ X94 ) ) )
                                 => ( X90 = X92 ) ) )
                            & ! [X82: $i,X84: $i] :
                                ( ( ( in @ X84 @ X64 )
                                  & ( in @ X82 @ X64 ) )
                               => ( ! [X88: $i] :
                                      ( ( in @ X88 @ X84 )
                                     => ( in @ X88 @ X82 ) )
                                  | ! [X86: $i] :
                                      ( ( in @ X86 @ X82 )
                                     => ( in @ X86 @ X84 ) ) ) )
                            & ! [X66: $i] :
                                ( ( ? [X70: $i] : ( in @ X70 @ X66 )
                                  & ! [X68: $i] :
                                      ( ( in @ X68 @ X66 )
                                     => ( in @ X68 @ X62 ) ) )
                               => ? [X72: $i,X74: $i] :
                                    ( ( in @ X72 @ X64 )
                                    & ( in @ X74 @ X66 )
                                    & ~ ? [X80: $i] :
                                          ( ( in @ X80 @ X72 )
                                          & ( in @ X80 @ X66 ) )
                                    & ! [X76: $i] :
                                        ( ( in @ X76 @ X64 )
                                       => ( ( in @ X74 @ X76 )
                                          | ! [X78: $i] :
                                              ( ( in @ X78 @ X76 )
                                             => ( in @ X78 @ X72 ) ) ) ) ) ) )
                       => ( ! [X100: $i > $o] :
                              ( ? [X102: $i] :
                                  ( ( X100 @ X102 )
                                  & ! [X104: $i] :
                                      ( ( X100 @ X104 )
                                     => ( X102 = X104 ) ) )
                             => ( X100
                                @ ( descr
                                  @ ^ [V_1: $i] : ( X100 @ V_1 ) ) ) )
                         => ( ! [X106: $i,X108: $i > $o,X110: $i] :
                                ( ( in @ X110 @ X106 )
                               => ( ( X108 @ X110 )
                                 => ( in @ X110
                                    @ ( dsetconstr @ X106
                                      @ ^ [V_2: $i] : ( X108 @ V_2 ) ) ) ) )
                           => ( ! [X112: $i,X114: $i > $o,X116: $i] :
                                  ( ( in @ X116
                                    @ ( dsetconstr @ X112
                                      @ ^ [V_3: $i] : ( X114 @ V_3 ) ) )
                                 => ( in @ X116 @ X112 ) )
                             => ( ! [X118: $i,X120: $i > $o,X122: $i] :
                                    ( ( in @ X122
                                      @ ( dsetconstr @ X118
                                        @ ^ [V_4: $i] : ( X120 @ V_4 ) ) )
                                   => ( X120 @ X122 ) )
                               => ( ! [X124: $i > $o] :
                                      ( ? [X126: $i] :
                                          ( ( X124 @ X126 )
                                          & ! [X128: $i] :
                                              ( ( X124 @ X128 )
                                             => ( X126 = X128 ) ) )
                                     => ? [X130: $i] :
                                          ( ( X124 @ X130 )
                                          & ! [X132: $i] :
                                              ( ( X124 @ X132 )
                                             => ( X130 = X132 ) ) ) )
                                 => ( ! [X134: $o,X136: $i] :
                                        ( ( in @ X136 @ ( prop2set @ X134 ) )
                                       => X134 )
                                   => ( ! [X138: $i] :
                                          ( ( in @ X138 @ emptyset )
                                         => ! [X140: $o] : X140 )
                                     => ( ! [X142: $i] :
                                            ~ ( in @ X142 @ emptyset )
                                       => ( ! [X144: $i] :
                                              ~ ( in @ X144 @ emptyset )
                                         => ( ! [X146: $i > $o] :
                                                ( ? [X148: $i] :
                                                    ( ( X146 @ X148 )
                                                    & ! [X150: $i] :
                                                        ( ( X146 @ X150 )
                                                       => ( X148 = X150 ) ) )
                                               => ? [X152: $i] : ( X146 @ X152 ) )
                                           => ( ! [X154: $i,X156: $i] :
                                                  ( ! [X158: $i] :
                                                      ( ( in @ X158 @ X154 )
                                                     => ( in @ X158 @ X156 ) )
                                                 => ( ! [X160: $i] :
                                                        ( ( in @ X160 @ X156 )
                                                       => ( in @ X160 @ X154 ) )
                                                   => ( X154 = X156 ) ) )
                                             => ( ! [X162: $i] :
                                                    ( ! [X164: $i] :
                                                        ~ ( in @ X164 @ X162 )
                                                   => ( X162 = emptyset ) )
                                               => ( ! [X166: $i] :
                                                      ( ! [X168: $i] :
                                                          ~ ( in @ X168 @ X166 )
                                                     => ( X166 = emptyset ) )
                                                 => ( ! [X170: $i,X172: $i > $o,X174: $i] :
                                                        ( ( in @ X174 @ X170 )
                                                       => ( ( in @ X174
                                                            @ ( dsetconstr @ X170
                                                              @ ^ [V_5: $i] : ( X172 @ V_5 ) ) )
                                                        <=> ( X172 @ X174 ) ) )
                                                   => ( ! [X176: $i] :
                                                          ( ( X176 != emptyset )
                                                         => ? [X178: $i] : ( in @ X178 @ X176 ) )
                                                     => ( ! [X180: $i,X182: $i > $o,X184: $i] :
                                                            ( ( in @ X184 @ X180 )
                                                           => ( ( X182 @ X184 )
                                                             => ( ( dsetconstr @ X180
                                                                  @ ^ [V_6: $i] : ( X182 @ V_6 ) )
                                                               != emptyset ) ) )
                                                       => ( ! [X186: $i] :
                                                              ( ? [X188: $i] : ( in @ X188 @ X186 )
                                                             => ( X186 != emptyset ) )
                                                         => ( ! [X190: $i,X192: $i] : ( in @ X190 @ ( setadjoin @ X190 @ X192 ) )
                                                           => ( ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) )
                                                             => ( ! [X194: $i,X196: $i,X198: $i] :
                                                                    ( ( in @ X198 @ X196 )
                                                                   => ( in @ X198 @ ( setadjoin @ X194 @ X196 ) ) )
                                                               => ( ! [X200: $i,X202: $i,X204: $i] :
                                                                      ( ( in @ X204 @ ( setadjoin @ X200 @ X202 ) )
                                                                     => ! [X206: $o] :
                                                                          ( ( ( X204 = X200 )
                                                                           => X206 )
                                                                         => ( ( ( in @ X204 @ X202 )
                                                                             => X206 )
                                                                           => X206 ) ) )
                                                                 => ( ! [X208: $i,X210: $i,X212: $i] :
                                                                        ( ( in @ X212 @ ( setadjoin @ X208 @ X210 ) )
                                                                       => ( ( in @ X212 @ X210 )
                                                                          | ( X212 = X208 ) ) )
                                                                   => ( ! [X214: $i] :
                                                                          ( ( dsetconstr @ X214
                                                                            @ ^ [V_7: $i] : $true )
                                                                          = X214 )
                                                                     => ( ! [X216: $i,X218: $i] :
                                                                            ( ! [X220: $i] :
                                                                                ( ( in @ X220 @ X218 )
                                                                               => ( in @ X220 @ X216 ) )
                                                                           => ( in @ X218 @ ( powerset @ X216 ) ) )
                                                                       => ( ! [X222: $i] : ( in @ emptyset @ ( powerset @ X222 ) )
                                                                         => ( ! [X224: $i] : ( in @ emptyset @ ( powerset @ X224 ) )
                                                                           => ( ! [X226: $i,X228: $i,X230: $i] :
                                                                                  ( ( in @ X228 @ ( powerset @ X226 ) )
                                                                                 => ( ( in @ X230 @ X228 )
                                                                                   => ( in @ X230 @ X226 ) ) )
                                                                             => ( ! [X232: $i,X234: $i,X236: $i] :
                                                                                    ( ( in @ X234 @ X236 )
                                                                                   => ( ( in @ X236 @ X232 )
                                                                                     => ( in @ X234 @ ( setunion @ X232 ) ) ) )
                                                                               => ( ! [X238: $i,X240: $i] :
                                                                                      ( ( in @ X240 @ ( setunion @ X238 ) )
                                                                                     => ! [X242: $o] :
                                                                                          ( ! [X244: $i] :
                                                                                              ( ( in @ X240 @ X244 )
                                                                                             => ( ( in @ X244 @ X238 )
                                                                                               => X242 ) )
                                                                                         => X242 ) )
                                                                                 => ( ! [X246: $i,X248: $i] :
                                                                                        ( ( in @ X248 @ X246 )
                                                                                       => ( in @ X248 @ ( powerset @ ( setunion @ X246 ) ) ) )
                                                                                   => ( ! [X250: $i > $o] :
                                                                                          ( ? [X252: $i] :
                                                                                              ( ( X250 @ X252 )
                                                                                              & ! [X254: $i] :
                                                                                                  ( ( X250 @ X254 )
                                                                                                 => ( X252 = X254 ) ) )
                                                                                         => ? [X256: $i] :
                                                                                            ! [X258: $i] :
                                                                                              ( ( X250 @ X258 )
                                                                                            <=> ( X258 = X256 ) ) )
                                                                                     => ( ! [X260: $i] :
                                                                                            ( ( X260 != emptyset )
                                                                                           => ? [X262: $i] : ( in @ X262 @ X260 ) )
                                                                                       => ( ! [X264: $i,X266: $i] :
                                                                                              ( ( in @ X264 @ ( setadjoin @ X266 @ emptyset ) )
                                                                                             => ( X264 = X266 ) )
                                                                                         => ( ! [X268: $i,X270: $i] :
                                                                                                ( ( X268 != X270 )
                                                                                               => ~ ( in @ X270 @ ( setadjoin @ X268 @ emptyset ) ) )
                                                                                           => ( ! [X272: $i,X274: $i] :
                                                                                                  ( ( X272 = X274 )
                                                                                                 => ( in @ X272 @ ( setadjoin @ X274 @ emptyset ) ) )
                                                                                             => ( ! [X276: $i,X278: $i] :
                                                                                                    ( ( in @ X276 @ ( setadjoin @ X278 @ emptyset ) )
                                                                                                   => ( in @ X278 @ ( setadjoin @ X276 @ emptyset ) ) )
                                                                                               => ( ! [X280: $i,X282: $i,X284: $i] :
                                                                                                      ( ( in @ X284 @ ( setadjoin @ X280 @ ( setadjoin @ X282 @ emptyset ) ) )
                                                                                                     => ( ( X284 = X282 )
                                                                                                        | ( X284 = X280 ) ) )
                                                                                                 => ( ! [X286: $i,X288: $i] : ( in @ X286 @ ( setadjoin @ X286 @ ( setadjoin @ X288 @ emptyset ) ) )
                                                                                                   => ( ! [X290: $i,X292: $i] : ( in @ X292 @ ( setadjoin @ X290 @ ( setadjoin @ X292 @ emptyset ) ) )
                                                                                                     => ( ! [X294: $i,X296: $i > $o] :
                                                                                                            ( ? [X298: $i] :
                                                                                                                ( ( in @ X298 @ X294 )
                                                                                                                & ( X296 @ X298 ) )
                                                                                                           => ( ( dsetconstr @ X294
                                                                                                                @ ^ [V_8: $i] : ( X296 @ V_8 ) )
                                                                                                             != emptyset ) )
                                                                                                       => ( ! [X300: $i > $o,X302: $i] :
                                                                                                              ( ( in @ X302 @ emptyset )
                                                                                                             => ( X300 @ X302 ) )
                                                                                                         => ( ! [X304: $i,X306: $i > $o] :
                                                                                                                ( ~ ! [X308: $i] :
                                                                                                                      ( ( in @ X308 @ X304 )
                                                                                                                     => ( X306 @ X308 ) )
                                                                                                               => ? [X310: $i] :
                                                                                                                    ( ( in @ X310 @ X304 )
                                                                                                                    & ~ ( X306 @ X310 ) ) )
                                                                                                           => ( ! [X312: $i,X314: $i > $o] :
                                                                                                                  ( ! [X316: $i] :
                                                                                                                      ( ( in @ X316 @ X312 )
                                                                                                                     => ~ ( X314 @ X316 ) )
                                                                                                                 => ~ ? [X318: $i] :
                                                                                                                        ( ( in @ X318 @ X312 )
                                                                                                                        & ( X314 @ X318 ) ) )
                                                                                                             => ( ! [X320: $i,X322: $i > $o] :
                                                                                                                    ( ~ ? [X324: $i] :
                                                                                                                          ( ( in @ X324 @ X320 )
                                                                                                                          & ( X322 @ X324 ) )
                                                                                                                   => ! [X326: $i] :
                                                                                                                        ( ( in @ X326 @ X320 )
                                                                                                                       => ~ ( X322 @ X326 ) ) )
                                                                                                               => ( ! [X328: $i,X330: $i > $o] :
                                                                                                                      ( ? [X332: $i] :
                                                                                                                          ( ( in @ X332 @ X328 )
                                                                                                                          & ~ ( X330 @ X332 ) )
                                                                                                                     => ~ ! [X334: $i] :
                                                                                                                            ( ( in @ X334 @ X328 )
                                                                                                                           => ( X330 @ X334 ) ) )
                                                                                                                 => ( ! [X336: $o] :
                                                                                                                        ( X336
                                                                                                                       => ( in @ emptyset @ ( prop2set @ X336 ) ) )
                                                                                                                   => ( ! [X338: $o] :
                                                                                                                          ( X338
                                                                                                                         => ( set2prop @ ( prop2set @ X338 ) ) )
                                                                                                                     => ( ! [X340: $i,X342: $i > $o] :
                                                                                                                            ( ~ ? [X344: $i] :
                                                                                                                                  ( ( in @ X344 @ X340 )
                                                                                                                                  & ( X342 @ X344 ) )
                                                                                                                           => ! [X346: $i] :
                                                                                                                                ( ( in @ X346 @ X340 )
                                                                                                                               => ~ ( X342 @ X346 ) ) )
                                                                                                                       => ( ! [X348: $i,X350: $i > $o] :
                                                                                                                              ( ~ ! [X352: $i] :
                                                                                                                                    ( ( in @ X352 @ X348 )
                                                                                                                                   => ( X350 @ X352 ) )
                                                                                                                             => ? [X354: $i] :
                                                                                                                                  ( ( in @ X354 @ X348 )
                                                                                                                                  & ~ ( X350 @ X354 ) ) )
                                                                                                                         => ( ! [X356: $i > $o] :
                                                                                                                                ( ? [X358: $i] :
                                                                                                                                    ( ( X356 @ X358 )
                                                                                                                                    & ! [X360: $i] :
                                                                                                                                        ( ( X356 @ X360 )
                                                                                                                                       => ( X358 = X360 ) ) )
                                                                                                                               => ? [X362: $i] :
                                                                                                                                    ( ( X356 @ X362 )
                                                                                                                                    & ! [X364: $i] :
                                                                                                                                        ( ( X356 @ X364 )
                                                                                                                                       => ( X362 = X364 ) ) ) )
                                                                                                                           => ( ! [X366: $i > $o] :
                                                                                                                                  ( ? [X368: $i] : ( X366 @ X368 )
                                                                                                                                 => ( ! [X370: $i,X372: $i] :
                                                                                                                                        ( ( X366 @ X370 )
                                                                                                                                       => ( ( X366 @ X372 )
                                                                                                                                         => ( X370 = X372 ) ) )
                                                                                                                                   => ? [X374: $i] :
                                                                                                                                        ( ( X366 @ X374 )
                                                                                                                                        & ! [X376: $i] :
                                                                                                                                            ( ( X366 @ X376 )
                                                                                                                                           => ( X374 = X376 ) ) ) ) )
                                                                                                                             => ( ! [X378: $i > $o] :
                                                                                                                                    ( ? [X380: $i] :
                                                                                                                                      ! [X382: $i] :
                                                                                                                                        ( ( X378 @ X382 )
                                                                                                                                      <=> ( X382 = X380 ) )
                                                                                                                                   => ? [X384: $i] :
                                                                                                                                        ( ( X378 @ X384 )
                                                                                                                                        & ! [X386: $i] :
                                                                                                                                            ( ( X378 @ X386 )
                                                                                                                                           => ( X384 = X386 ) ) ) )
                                                                                                                               => ( ! [X388: $i,X390: $i] :
                                                                                                                                      ( ( X388 = X390 )
                                                                                                                                     => ! [X392: $i,X394: $i] :
                                                                                                                                          ( ( X392 = X394 )
                                                                                                                                         => ( ( in @ X392 @ X388 )
                                                                                                                                           => ( in @ X394 @ X390 ) ) ) )
                                                                                                                                 => ( ! [X396: $i,X398: $i] :
                                                                                                                                        ( ( X396 = X398 )
                                                                                                                                       => ! [X400: $i,X402: $i] :
                                                                                                                                            ( ( X400 = X402 )
                                                                                                                                           => ( ( in @ X400 @ X396 )
                                                                                                                                            <=> ( in @ X402 @ X398 ) ) ) )
                                                                                                                                   => ( ! [X404: $i > $o] :
                                                                                                                                          ( ? [X406: $i] :
                                                                                                                                              ( ( X404 @ X406 )
                                                                                                                                              & ! [X408: $i] :
                                                                                                                                                  ( ( X404 @ X408 )
                                                                                                                                                 => ( X406 = X408 ) ) )
                                                                                                                                         => ! [X410: $i,X412: $i] :
                                                                                                                                              ( ( X404 @ X410 )
                                                                                                                                             => ( ( X404 @ X412 )
                                                                                                                                               => ( X410 = X412 ) ) ) )
                                                                                                                                     => ( ! [X414: $i > $o,X416: $i > $o] :
                                                                                                                                            ( ! [X418: $i,X420: $i] :
                                                                                                                                                ( ( X418 = X420 )
                                                                                                                                               => ( ( X414 @ X418 )
                                                                                                                                                <=> ( X416 @ X420 ) ) )
                                                                                                                                           => ( ? [X422: $i] :
                                                                                                                                                  ( ( X414 @ X422 )
                                                                                                                                                  & ! [X424: $i] :
                                                                                                                                                      ( ( X414 @ X424 )
                                                                                                                                                     => ( X422 = X424 ) ) )
                                                                                                                                            <=> ? [X426: $i] :
                                                                                                                                                  ( ( X416 @ X426 )
                                                                                                                                                  & ! [X428: $i] :
                                                                                                                                                      ( ( X416 @ X428 )
                                                                                                                                                     => ( X426 = X428 ) ) ) ) )
                                                                                                                                       => ( ( emptyset = emptyset )
                                                                                                                                         => ( ! [X430: $i,X432: $i] :
                                                                                                                                                ( ( X430 = X432 )
                                                                                                                                               => ! [X434: $i,X436: $i] :
                                                                                                                                                    ( ( X434 = X436 )
                                                                                                                                                   => ( ( setadjoin @ X430 @ X434 )
                                                                                                                                                      = ( setadjoin @ X432 @ X436 ) ) ) )
                                                                                                                                           => ( ! [X438: $i,X440: $i] :
                                                                                                                                                  ( ( X438 = X440 )
                                                                                                                                                 => ( ( powerset @ X438 )
                                                                                                                                                    = ( powerset @ X440 ) ) )
                                                                                                                                             => ( ! [X442: $i,X444: $i] :
                                                                                                                                                    ( ( X442 = X444 )
                                                                                                                                                   => ( ( setunion @ X442 )
                                                                                                                                                      = ( setunion @ X444 ) ) )
                                                                                                                                               => ( ( omega = omega )
                                                                                                                                                 => ( ! [X446: $i > $o] :
                                                                                                                                                        ( ? [X448: $i] :
                                                                                                                                                            ( ( X446 @ X448 )
                                                                                                                                                            & ! [X450: $i] :
                                                                                                                                                                ( ( X446 @ X450 )
                                                                                                                                                               => ( X448 = X450 ) ) )
                                                                                                                                                       => ! [X452: $i,X454: $i] :
                                                                                                                                                            ( ( X446 @ X452 )
                                                                                                                                                           => ( ( X446 @ X454 )
                                                                                                                                                             => ( X452 = X454 ) ) ) )
                                                                                                                                                   => ( ! [X456: $i > $o,X458: $i > $o] :
                                                                                                                                                          ( ! [X460: $i,X462: $i] :
                                                                                                                                                              ( ( X460 = X462 )
                                                                                                                                                             => ( ( X456 @ X460 )
                                                                                                                                                              <=> ( X458 @ X462 ) ) )
                                                                                                                                                         => ( ? [X464: $i] :
                                                                                                                                                                ( ( X456 @ X464 )
                                                                                                                                                                & ! [X466: $i] :
                                                                                                                                                                    ( ( X456 @ X466 )
                                                                                                                                                                   => ( X464 = X466 ) ) )
                                                                                                                                                           => ( ? [X468: $i] :
                                                                                                                                                                  ( ( X458 @ X468 )
                                                                                                                                                                  & ! [X470: $i] :
                                                                                                                                                                      ( ( X458 @ X470 )
                                                                                                                                                                     => ( X468 = X470 ) ) )
                                                                                                                                                             => ( ( descr
                                                                                                                                                                  @ ^ [V_9: $i] : ( X456 @ V_9 ) )
                                                                                                                                                                = ( descr
                                                                                                                                                                  @ ^ [V_10: $i] : ( X458 @ V_10 ) ) ) ) ) )
                                                                                                                                                     => ( ! [X472: $i,X474: $i] :
                                                                                                                                                            ( ( X472 = X474 )
                                                                                                                                                           => ! [X476: $i > $o,X478: $i > $o] :
                                                                                                                                                                ( ! [X480: $i] :
                                                                                                                                                                    ( ( in @ X480 @ X472 )
                                                                                                                                                                   => ! [X482: $i] :
                                                                                                                                                                        ( ( in @ X482 @ X474 )
                                                                                                                                                                       => ( ( X480 = X482 )
                                                                                                                                                                         => ( ( X476 @ X480 )
                                                                                                                                                                          <=> ( X478 @ X482 ) ) ) ) )
                                                                                                                                                               => ( ( dsetconstr @ X472
                                                                                                                                                                    @ ^ [V_11: $i] : ( X476 @ V_11 ) )
                                                                                                                                                                  = ( dsetconstr @ X474
                                                                                                                                                                    @ ^ [V_12: $i] : ( X478 @ V_12 ) ) ) ) )
                                                                                                                                                       => ( ! [X484: $i,X486: $i] :
                                                                                                                                                              ( ! [X488: $i] :
                                                                                                                                                                  ( ( in @ X488 @ X484 )
                                                                                                                                                                 => ( in @ X488 @ X486 ) )
                                                                                                                                                             => ( subset @ X484 @ X486 ) )
                                                                                                                                                         => ( ! [X490: $i,X492: $i] :
                                                                                                                                                                ( ( X490 = X492 )
                                                                                                                                                               => ( subset @ X492 @ X490 ) )
                                                                                                                                                           => ( ! [X494: $i,X496: $i] :
                                                                                                                                                                  ( ( X494 = X496 )
                                                                                                                                                                 => ( subset @ X494 @ X496 ) )
                                                                                                                                                             => ( ! [X498: $i,X500: $i] :
                                                                                                                                                                    ( ! [X502: $i] :
                                                                                                                                                                        ( ( in @ X502 @ X498 )
                                                                                                                                                                       => ( in @ X502 @ X500 ) )
                                                                                                                                                                   => ( subset @ X498 @ X500 ) )
                                                                                                                                                               => ( ! [X504: $i] : ( subset @ emptyset @ X504 )
                                                                                                                                                                 => ( ! [X506: $i,X508: $i,X510: $i] :
                                                                                                                                                                        ( ( subset @ X506 @ X508 )
                                                                                                                                                                       => ( ( in @ X510 @ X506 )
                                                                                                                                                                         => ( in @ X510 @ X508 ) ) )
                                                                                                                                                                   => ( ! [X512: $i,X514: $i,X516: $i] :
                                                                                                                                                                          ( ( subset @ X512 @ X514 )
                                                                                                                                                                         => ( ~ ( in @ X516 @ X514 )
                                                                                                                                                                           => ~ ( in @ X516 @ X512 ) ) )
                                                                                                                                                                     => ( ! [X518: $i,X520: $i,X522: $i] :
                                                                                                                                                                            ( ( in @ X522 @ X518 )
                                                                                                                                                                           => ( ~ ( in @ X522 @ X520 )
                                                                                                                                                                             => ~ ( subset @ X518 @ X520 ) ) )
                                                                                                                                                                       => ( ! [X524: $i,X526: $i] :
                                                                                                                                                                              ( ~ ( subset @ X524 @ X526 )
                                                                                                                                                                             => ( X524 != X526 ) )
                                                                                                                                                                         => ( ! [X528: $i,X530: $i,X532: $i] :
                                                                                                                                                                                ( ( in @ X532 @ X528 )
                                                                                                                                                                               => ( ~ ( in @ X532 @ X530 )
                                                                                                                                                                                 => ( X528 != X530 ) ) )
                                                                                                                                                                           => ( ! [X534: $i] : ( subset @ X534 @ X534 )
                                                                                                                                                                             => ( ! [X536: $i,X538: $i,X540: $i] :
                                                                                                                                                                                    ( ( subset @ X536 @ X538 )
                                                                                                                                                                                   => ( ( subset @ X538 @ X540 )
                                                                                                                                                                                     => ( subset @ X536 @ X540 ) ) )
                                                                                                                                                                               => ( ! [X542: $i,X544: $i] : ( subset @ X544 @ ( setadjoin @ X542 @ X544 ) )
                                                                                                                                                                                 => ( ! [X546: $i,X548: $i,X550: $i] :
                                                                                                                                                                                        ( ( subset @ X546 @ X550 )
                                                                                                                                                                                       => ( subset @ X546 @ ( setadjoin @ X548 @ X550 ) ) )
                                                                                                                                                                                   => ( ! [X552: $i,X554: $i] :
                                                                                                                                                                                          ( ( subset @ X552 @ X554 )
                                                                                                                                                                                         => ( in @ X552 @ ( powerset @ X554 ) ) )
                                                                                                                                                                                     => ( ! [X556: $i,X558: $i] :
                                                                                                                                                                                            ( ( subset @ X556 @ X558 )
                                                                                                                                                                                           => ( ( subset @ X558 @ X556 )
                                                                                                                                                                                             => ( X556 = X558 ) ) )
                                                                                                                                                                                       => ( ! [X560: $i] :
                                                                                                                                                                                              ( ( subset @ X560 @ emptyset )
                                                                                                                                                                                             => ( X560 = emptyset ) )
                                                                                                                                                                                         => ( ! [X562: $i,X564: $i] :
                                                                                                                                                                                                ( ( subset @ X564 @ X562 )
                                                                                                                                                                                               => ( in @ X564 @ ( powerset @ X562 ) ) )
                                                                                                                                                                                           => ( ! [X566: $i,X568: $i] :
                                                                                                                                                                                                  ( ( in @ X568 @ ( powerset @ X566 ) )
                                                                                                                                                                                                 => ( subset @ X568 @ X566 ) )
                                                                                                                                                                                             => ( ! [X570: $i] : ( in @ X570 @ ( powerset @ X570 ) )
                                                                                                                                                                                               => ( ! [X572: $i,X574: $i] :
                                                                                                                                                                                                      ( ( subset @ X572 @ X574 )
                                                                                                                                                                                                     => ( subset @ ( powerset @ X572 ) @ ( powerset @ X574 ) ) )
                                                                                                                                                                                                 => ( ! [X576: $i,X578: $i > $o] :
                                                                                                                                                                                                        ( in
                                                                                                                                                                                                        @ ( dsetconstr @ X576
                                                                                                                                                                                                          @ ^ [V_13: $i] : ( X578 @ V_13 ) )
                                                                                                                                                                                                        @ ( powerset @ X576 ) )
                                                                                                                                                                                                   => ( ! [X580: $i,X582: $i > $o] :
                                                                                                                                                                                                          ( subset
                                                                                                                                                                                                          @ ( dsetconstr @ X580
                                                                                                                                                                                                            @ ^ [V_14: $i] : ( X582 @ V_14 ) )
                                                                                                                                                                                                          @ X580 )
                                                                                                                                                                                                     => ( ! [X584: $i,X586: $i,X588: $i] :
                                                                                                                                                                                                            ( ( in @ X588 @ X584 )
                                                                                                                                                                                                           => ( in @ X588 @ ( binunion @ X584 @ X586 ) ) )
                                                                                                                                                                                                       => ( ! [X590: $i,X592: $i] : ( in @ X592 @ ( setadjoin @ X590 @ ( setadjoin @ X592 @ emptyset ) ) )
                                                                                                                                                                                                         => ( ! [X594: $i,X596: $i,X598: $i] :
                                                                                                                                                                                                                ( ( in @ X598 @ X596 )
                                                                                                                                                                                                               => ( in @ X598 @ ( binunion @ X594 @ X596 ) ) )
                                                                                                                                                                                                           => ( ! [X600: $i,X602: $i,X604: $i,X606: $o] :
                                                                                                                                                                                                                  ( ( in @ X604 @ ( binunion @ X600 @ X602 ) )
                                                                                                                                                                                                                 => ( ( ( in @ X604 @ X600 )
                                                                                                                                                                                                                     => X606 )
                                                                                                                                                                                                                   => ( ( ( in @ X604 @ X602 )
                                                                                                                                                                                                                       => X606 )
                                                                                                                                                                                                                     => X606 ) ) )
                                                                                                                                                                                                             => ( ! [X608: $i,X610: $i,X612: $i] :
                                                                                                                                                                                                                    ( ( in @ X612 @ ( binunion @ X608 @ X610 ) )
                                                                                                                                                                                                                   => ( ( in @ X612 @ X610 )
                                                                                                                                                                                                                      | ( in @ X612 @ X608 ) ) )
                                                                                                                                                                                                               => ( ! [X614: $i,X616: $i] : ( subset @ X614 @ ( binunion @ X614 @ X616 ) )
                                                                                                                                                                                                                 => ( ! [X618: $i,X620: $i] : ( subset @ X620 @ ( binunion @ X618 @ X620 ) )
                                                                                                                                                                                                                   => ( ! [X622: $i,X624: $i,X626: $i] :
                                                                                                                                                                                                                          ( ( in @ X626 @ X622 )
                                                                                                                                                                                                                         => ( ( in @ X626 @ X624 )
                                                                                                                                                                                                                           => ( in @ X626 @ ( binintersect @ X622 @ X624 ) ) ) )
                                                                                                                                                                                                                     => ( ! [X628: $i,X630: $i,X632: $i] :
                                                                                                                                                                                                                            ( ( subset @ X632 @ X628 )
                                                                                                                                                                                                                           => ( ( subset @ X632 @ X630 )
                                                                                                                                                                                                                             => ( subset @ X632 @ ( binintersect @ X628 @ X630 ) ) ) )
                                                                                                                                                                                                                       => ( ! [X634: $i,X636: $i,X638: $i] :
                                                                                                                                                                                                                              ( ( in @ X638 @ ( binintersect @ X634 @ X636 ) )
                                                                                                                                                                                                                             => ( in @ X638 @ X634 ) )
                                                                                                                                                                                                                         => ( ! [X640: $i,X642: $i] : ( subset @ ( binintersect @ X640 @ X642 ) @ X640 )
                                                                                                                                                                                                                           => ( ! [X644: $i,X646: $i] :
                                                                                                                                                                                                                                  ( ( subset @ X644 @ X646 )
                                                                                                                                                                                                                                 => ( ( binintersect @ X644 @ X646 )
                                                                                                                                                                                                                                    = X644 ) )
                                                                                                                                                                                                                             => ( ! [X648: $i,X650: $i] :
                                                                                                                                                                                                                                    ( ( ( binintersect @ X648 @ X650 )
                                                                                                                                                                                                                                      = X650 )
                                                                                                                                                                                                                                   => ( subset @ X650 @ X648 ) )
                                                                                                                                                                                                                               => ( ! [X652: $i,X654: $i,X656: $i] :
                                                                                                                                                                                                                                      ( ( in @ X656 @ ( binintersect @ X652 @ X654 ) )
                                                                                                                                                                                                                                     => ( in @ X656 @ X654 ) )
                                                                                                                                                                                                                                 => ( ! [X658: $i,X660: $i] :
                                                                                                                                                                                                                                        ( ~ ? [X662: $i] :
                                                                                                                                                                                                                                              ( ( in @ X662 @ X658 )
                                                                                                                                                                                                                                              & ( in @ X662 @ X660 ) )
                                                                                                                                                                                                                                       => ( ( binintersect @ X658 @ X660 )
                                                                                                                                                                                                                                          = emptyset ) )
                                                                                                                                                                                                                                   => ( ! [X664: $i,X666: $i] : ( subset @ ( binintersect @ X664 @ X666 ) @ X666 )
                                                                                                                                                                                                                                     => ( ! [X668: $i,X670: $i] :
                                                                                                                                                                                                                                            ( ( subset @ X670 @ X668 )
                                                                                                                                                                                                                                           => ( ( binintersect @ X668 @ X670 )
                                                                                                                                                                                                                                              = X670 ) )
                                                                                                                                                                                                                                       => ( ! [X672: $i,X674: $i] :
                                                                                                                                                                                                                                              ( ( ( binintersect @ X672 @ X674 )
                                                                                                                                                                                                                                                = X672 )
                                                                                                                                                                                                                                             => ( subset @ X672 @ X674 ) )
                                                                                                                                                                                                                                         => ( ! [X676: $i,X678: $i,X680: $i] :
                                                                                                                                                                                                                                                ( ( binintersect @ X676 @ ( binunion @ X678 @ X680 ) )
                                                                                                                                                                                                                                                = ( binunion @ ( binintersect @ X676 @ X678 ) @ ( binintersect @ X676 @ X680 ) ) )
                                                                                                                                                                                                                                           => ( ! [X682: $i,X684: $i,X686: $i] :
                                                                                                                                                                                                                                                  ( ( in @ X686 @ X682 )
                                                                                                                                                                                                                                                 => ( ~ ( in @ X686 @ X684 )
                                                                                                                                                                                                                                                   => ( in @ X686 @ ( setminus @ X682 @ X684 ) ) ) )
                                                                                                                                                                                                                                             => ( ! [X688: $i,X690: $i,X692: $i] :
                                                                                                                                                                                                                                                    ( ( in @ X692 @ ( setminus @ X688 @ X690 ) )
                                                                                                                                                                                                                                                   => ( in @ X692 @ X688 ) )
                                                                                                                                                                                                                                               => ( ! [X694: $i,X696: $i,X698: $i] :
                                                                                                                                                                                                                                                      ( ( in @ X698 @ ( setminus @ X694 @ X696 ) )
                                                                                                                                                                                                                                                     => ~ ( in @ X698 @ X696 ) )
                                                                                                                                                                                                                                                 => ( ! [X700: $i,X702: $i] :
                                                                                                                                                                                                                                                        ( ( subset @ X700 @ X702 )
                                                                                                                                                                                                                                                       => ( ( setminus @ X700 @ X702 )
                                                                                                                                                                                                                                                          = emptyset ) )
                                                                                                                                                                                                                                                   => ( ! [X704: $i,X706: $i,X708: $i] :
                                                                                                                                                                                                                                                          ( ~ ( in @ X708 @ ( setminus @ X704 @ X706 ) )
                                                                                                                                                                                                                                                         => ( ( in @ X708 @ X704 )
                                                                                                                                                                                                                                                           => ( in @ X708 @ X706 ) ) )
                                                                                                                                                                                                                                                     => ( ! [X710: $i,X712: $i,X714: $i] :
                                                                                                                                                                                                                                                            ( ~ ( in @ X714 @ ( setminus @ X710 @ X712 ) )
                                                                                                                                                                                                                                                           => ( ~ ( in @ X714 @ X712 )
                                                                                                                                                                                                                                                             => ~ ( in @ X714 @ X710 ) ) )
                                                                                                                                                                                                                                                       => ( ! [X716: $i,X718: $i,X720: $i] :
                                                                                                                                                                                                                                                              ( ~ ( in @ X720 @ X716 )
                                                                                                                                                                                                                                                             => ~ ( in @ X720 @ ( setminus @ X716 @ X718 ) ) )
                                                                                                                                                                                                                                                         => ( ! [X722: $i,X724: $i,X726: $i] :
                                                                                                                                                                                                                                                                ( ( in @ X726 @ X724 )
                                                                                                                                                                                                                                                               => ~ ( in @ X726 @ ( setminus @ X722 @ X724 ) ) )
                                                                                                                                                                                                                                                           => ( ! [X728: $i,X730: $i] : ( subset @ ( setminus @ X728 @ X730 ) @ X728 )
                                                                                                                                                                                                                                                             => ( ! [X732: $i,X734: $i] :
                                                                                                                                                                                                                                                                    ( ( ( setminus @ X732 @ X734 )
                                                                                                                                                                                                                                                                      = emptyset )
                                                                                                                                                                                                                                                                   => ( subset @ X732 @ X734 ) )
                                                                                                                                                                                                                                                               => ( ! [X736: $i,X738: $i,X740: $i] :
                                                                                                                                                                                                                                                                      ( ( in @ X740 @ ( symdiff @ X736 @ X738 ) )
                                                                                                                                                                                                                                                                     => ! [X742: $o] :
                                                                                                                                                                                                                                                                          ( ( ( in @ X740 @ X736 )
                                                                                                                                                                                                                                                                           => ( ~ ( in @ X740 @ X738 )
                                                                                                                                                                                                                                                                             => X742 ) )
                                                                                                                                                                                                                                                                         => ( ( ~ ( in @ X740 @ X736 )
                                                                                                                                                                                                                                                                             => ( ( in @ X740 @ X738 )
                                                                                                                                                                                                                                                                               => X742 ) )
                                                                                                                                                                                                                                                                           => X742 ) ) )
                                                                                                                                                                                                                                                                 => ( ! [X744: $i,X746: $i,X748: $i] :
                                                                                                                                                                                                                                                                        ( ( in @ X748 @ X744 )
                                                                                                                                                                                                                                                                       => ( ~ ( in @ X748 @ X746 )
                                                                                                                                                                                                                                                                         => ( in @ X748 @ ( symdiff @ X744 @ X746 ) ) ) )
                                                                                                                                                                                                                                                                   => ( ! [X750: $i,X752: $i,X754: $i] :
                                                                                                                                                                                                                                                                          ( ~ ( in @ X754 @ X750 )
                                                                                                                                                                                                                                                                         => ( ( in @ X754 @ X752 )
                                                                                                                                                                                                                                                                           => ( in @ X754 @ ( symdiff @ X750 @ X752 ) ) ) )
                                                                                                                                                                                                                                                                     => ( ! [X756: $i,X758: $i,X760: $i] :
                                                                                                                                                                                                                                                                            ( ( in @ X760 @ X756 )
                                                                                                                                                                                                                                                                           => ( ( in @ X760 @ X758 )
                                                                                                                                                                                                                                                                             => ~ ( in @ X760 @ ( symdiff @ X756 @ X758 ) ) ) )
                                                                                                                                                                                                                                                                       => ( ! [X762: $i,X764: $i,X766: $i] :
                                                                                                                                                                                                                                                                              ( ~ ( in @ X766 @ X762 )
                                                                                                                                                                                                                                                                             => ( ~ ( in @ X766 @ X764 )
                                                                                                                                                                                                                                                                               => ~ ( in @ X766 @ ( symdiff @ X762 @ X764 ) ) ) )
                                                                                                                                                                                                                                                                         => ( ! [X768: $i,X770: $i] : ( in @ X770 @ ( setadjoin @ X768 @ ( setadjoin @ X770 @ emptyset ) ) )
                                                                                                                                                                                                                                                                           => ( ! [X772: $i,X774: $i] : ( in @ X772 @ ( setunion @ ( setadjoin @ ( setadjoin @ X772 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X772 @ ( setadjoin @ X774 @ emptyset ) ) @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                             => ( ! [X776: $i,X778: $i] : ( in @ X778 @ ( setunion @ ( setadjoin @ ( setadjoin @ X776 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X776 @ ( setadjoin @ X778 @ emptyset ) ) @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                               => ( ! [X780: $i,X782: $i] : ( iskpair @ ( setadjoin @ ( setadjoin @ X780 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X780 @ ( setadjoin @ X782 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                 => ( ! [X784: $i,X786: $i] : ( iskpair @ ( kpair @ X784 @ X786 ) )
                                                                                                                                                                                                                                                                                   => ( ! [X788: $i,X790: $i] :
                                                                                                                                                                                                                                                                                          ( ( in @ X790 @ X788 )
                                                                                                                                                                                                                                                                                         => ( subset @ ( setadjoin @ X790 @ emptyset ) @ X788 ) )
                                                                                                                                                                                                                                                                                     => ( ! [X792: $i,X794: $i] :
                                                                                                                                                                                                                                                                                            ( ( in @ X794 @ X792 )
                                                                                                                                                                                                                                                                                           => ( in @ ( setadjoin @ X794 @ emptyset ) @ ( powerset @ X792 ) ) )
                                                                                                                                                                                                                                                                                       => ( ! [X796: $i,X798: $i,X800: $i] :
                                                                                                                                                                                                                                                                                              ( ( in @ X800 @ X796 )
                                                                                                                                                                                                                                                                                             => ( in @ ( setadjoin @ X800 @ emptyset ) @ ( powerset @ ( binunion @ X796 @ X798 ) ) ) )
                                                                                                                                                                                                                                                                                         => ( ! [X802: $i,X804: $i,X806: $i] :
                                                                                                                                                                                                                                                                                                ( ( in @ X806 @ ( setadjoin @ X802 @ ( setadjoin @ X804 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                               => ( ( X806 = X804 )
                                                                                                                                                                                                                                                                                                  | ( X806 = X802 ) ) )
                                                                                                                                                                                                                                                                                           => ( ! [X808: $i,X810: $i,X812: $i] :
                                                                                                                                                                                                                                                                                                  ( ( in @ X812 @ X808 )
                                                                                                                                                                                                                                                                                                 => ! [X814: $i] :
                                                                                                                                                                                                                                                                                                      ( ( in @ X814 @ X810 )
                                                                                                                                                                                                                                                                                                     => ( subset @ ( setadjoin @ X812 @ ( setadjoin @ X814 @ emptyset ) ) @ ( binunion @ X808 @ X810 ) ) ) )
                                                                                                                                                                                                                                                                                             => ( ! [X816: $i,X818: $i,X820: $i] :
                                                                                                                                                                                                                                                                                                    ( ( in @ X820 @ X816 )
                                                                                                                                                                                                                                                                                                   => ! [X822: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ X822 @ X818 )
                                                                                                                                                                                                                                                                                                       => ( in @ ( setadjoin @ X820 @ ( setadjoin @ X822 @ emptyset ) ) @ ( powerset @ ( binunion @ X816 @ X818 ) ) ) ) )
                                                                                                                                                                                                                                                                                               => ( ! [X824: $i,X826: $i,X828: $i] :
                                                                                                                                                                                                                                                                                                      ( ( in @ X828 @ X824 )
                                                                                                                                                                                                                                                                                                     => ! [X830: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ X830 @ X826 )
                                                                                                                                                                                                                                                                                                         => ( subset @ ( setadjoin @ ( setadjoin @ X828 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X828 @ ( setadjoin @ X830 @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( binunion @ X824 @ X826 ) ) ) ) )
                                                                                                                                                                                                                                                                                                 => ( ! [X832: $i,X834: $i,X836: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ X836 @ X832 )
                                                                                                                                                                                                                                                                                                       => ! [X838: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ X838 @ X834 )
                                                                                                                                                                                                                                                                                                           => ( in @ ( setadjoin @ ( setadjoin @ X836 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X836 @ ( setadjoin @ X838 @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( powerset @ ( binunion @ X832 @ X834 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                   => ( ! [X840: $i,X842: $i,X844: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ X844 @ X840 )
                                                                                                                                                                                                                                                                                                         => ! [X846: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ X846 @ X842 )
                                                                                                                                                                                                                                                                                                             => ( in @ ( kpair @ X844 @ X846 ) @ ( powerset @ ( powerset @ ( binunion @ X840 @ X842 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                     => ( ! [X848: $i,X850: $i,X852: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ X852 @ X848 )
                                                                                                                                                                                                                                                                                                           => ! [X854: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ X854 @ X850 )
                                                                                                                                                                                                                                                                                                               => ( in @ ( kpair @ X852 @ X854 ) @ ( cartprod @ X848 @ X850 ) ) ) )
                                                                                                                                                                                                                                                                                                       => ( ! [X856: $i,X858: $i,X860: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ X860 @ ( cartprod @ X856 @ X858 ) )
                                                                                                                                                                                                                                                                                                             => ? [X862: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ X862 @ X856 )
                                                                                                                                                                                                                                                                                                                  & ? [X864: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ X864 @ X858 )
                                                                                                                                                                                                                                                                                                                      & ( X860
                                                                                                                                                                                                                                                                                                                        = ( kpair @ X862 @ X864 ) ) ) ) )
                                                                                                                                                                                                                                                                                                         => ( ! [X866: $i,X868: $i,X870: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ X870 @ ( cartprod @ X866 @ X868 ) )
                                                                                                                                                                                                                                                                                                               => ( iskpair @ X870 ) )
                                                                                                                                                                                                                                                                                                           => ( ! [X872: $i,X874: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ X874 @ ( setunion @ X872 ) )
                                                                                                                                                                                                                                                                                                                 => ? [X876: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ X876 @ X872 )
                                                                                                                                                                                                                                                                                                                      & ( in @ X874 @ X876 ) ) )
                                                                                                                                                                                                                                                                                                             => ( ! [X878: $i] : ( subset @ ( setunion @ ( setadjoin @ X878 @ emptyset ) ) @ X878 )
                                                                                                                                                                                                                                                                                                               => ( ! [X880: $i] : ( subset @ X880 @ ( setunion @ ( setadjoin @ X880 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                 => ( ! [X882: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( setunion @ ( setadjoin @ X882 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                        = X882 )
                                                                                                                                                                                                                                                                                                                   => ( ! [X884: $i,X886: $i > $o] :
                                                                                                                                                                                                                                                                                                                          ( ! [X888: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( in @ X888 @ X884 )
                                                                                                                                                                                                                                                                                                                             => ! [X890: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ X890 @ X884 )
                                                                                                                                                                                                                                                                                                                                 => ( ( X886 @ X888 )
                                                                                                                                                                                                                                                                                                                                   => ( ( X886 @ X890 )
                                                                                                                                                                                                                                                                                                                                     => ( X888 = X890 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                         => ( ? [X892: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ X892 @ X884 )
                                                                                                                                                                                                                                                                                                                                & ( X886 @ X892 ) )
                                                                                                                                                                                                                                                                                                                           => ? [X894: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ X894
                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ X884
                                                                                                                                                                                                                                                                                                                                    @ ^ [V_16: $i] : ( X886 @ V_16 ) ) )
                                                                                                                                                                                                                                                                                                                                & ( ( dsetconstr @ X884
                                                                                                                                                                                                                                                                                                                                    @ ^ [V_15: $i] : ( X886 @ V_15 ) )
                                                                                                                                                                                                                                                                                                                                  = ( setadjoin @ X894 @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                                                                     => ( ! [X896: $i,X898: $i > $o] :
                                                                                                                                                                                                                                                                                                                            ( ? [X900: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ X900
                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ X896
                                                                                                                                                                                                                                                                                                                                    @ ^ [V_18: $i] : ( X898 @ V_18 ) ) )
                                                                                                                                                                                                                                                                                                                                & ( ( dsetconstr @ X896
                                                                                                                                                                                                                                                                                                                                    @ ^ [V_17: $i] : ( X898 @ V_17 ) )
                                                                                                                                                                                                                                                                                                                                  = ( setadjoin @ X900 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                           => ? [X902: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ X902 @ X896 )
                                                                                                                                                                                                                                                                                                                                & ( X898 @ X902 ) ) )
                                                                                                                                                                                                                                                                                                                       => ( ! [X904: $i,X906: $i > $o,X908: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( in @ X908 @ X904 )
                                                                                                                                                                                                                                                                                                                             => ( ( X906 @ X908 )
                                                                                                                                                                                                                                                                                                                               => ( ! [X910: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ X910 @ X904 )
                                                                                                                                                                                                                                                                                                                                     => ( ( X906 @ X910 )
                                                                                                                                                                                                                                                                                                                                       => ( X910 = X908 ) ) )
                                                                                                                                                                                                                                                                                                                                 => ? [X912: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ X912
                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ X904
                                                                                                                                                                                                                                                                                                                                          @ ^ [V_20: $i] : ( X906 @ V_20 ) ) )
                                                                                                                                                                                                                                                                                                                                      & ( ( dsetconstr @ X904
                                                                                                                                                                                                                                                                                                                                          @ ^ [V_19: $i] : ( X906 @ V_19 ) )
                                                                                                                                                                                                                                                                                                                                        = ( setadjoin @ X912 @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                         => ( ! [X914: $i,X916: $i > $o] :
                                                                                                                                                                                                                                                                                                                                ( ! [X918: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( in @ X918 @ X914 )
                                                                                                                                                                                                                                                                                                                                   => ! [X920: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ X920 @ X914 )
                                                                                                                                                                                                                                                                                                                                       => ( ( X916 @ X918 )
                                                                                                                                                                                                                                                                                                                                         => ( ( X916 @ X920 )
                                                                                                                                                                                                                                                                                                                                           => ( X918 = X920 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                               => ( ? [X922: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ X922 @ X914 )
                                                                                                                                                                                                                                                                                                                                      & ( X916 @ X922 ) )
                                                                                                                                                                                                                                                                                                                                 => ? [X924: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ X924
                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ X914
                                                                                                                                                                                                                                                                                                                                          @ ^ [V_22: $i] : ( X916 @ V_22 ) ) )
                                                                                                                                                                                                                                                                                                                                      & ( ( dsetconstr @ X914
                                                                                                                                                                                                                                                                                                                                          @ ^ [V_21: $i] : ( X916 @ V_21 ) )
                                                                                                                                                                                                                                                                                                                                        = ( setadjoin @ X924 @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                                                                           => ( ! [X926: $i,X928: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( ( setadjoin @ X926 @ emptyset )
                                                                                                                                                                                                                                                                                                                                    = ( setadjoin @ X928 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                 => ( X926 = X928 ) )
                                                                                                                                                                                                                                                                                                                             => ( ! [X930: $i,X932: $i,X934: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( in @ ( setadjoin @ X934 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X930 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X930 @ ( setadjoin @ X932 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                   => ( X930 = X934 ) )
                                                                                                                                                                                                                                                                                                                               => ( ! [X936: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( iskpair @ X936 )
                                                                                                                                                                                                                                                                                                                                     => ? [X938: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ X938
                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ ( setunion @ X936 )
                                                                                                                                                                                                                                                                                                                                              @ ^ [V_24: $i] : ( in @ ( setadjoin @ V_24 @ emptyset ) @ X936 ) ) )
                                                                                                                                                                                                                                                                                                                                          & ( ( dsetconstr @ ( setunion @ X936 )
                                                                                                                                                                                                                                                                                                                                              @ ^ [V_23: $i] : ( in @ ( setadjoin @ V_23 @ emptyset ) @ X936 ) )
                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ X938 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                 => ( ! [X940: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ? [X942: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( in @ X942 @ X940 )
                                                                                                                                                                                                                                                                                                                                            & ( X940
                                                                                                                                                                                                                                                                                                                                              = ( setadjoin @ X942 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                       => ( in @ ( setunion @ X940 ) @ X940 ) )
                                                                                                                                                                                                                                                                                                                                   => ( ! [X944: $i,X946: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( kfst @ ( kpair @ X944 @ X946 ) )
                                                                                                                                                                                                                                                                                                                                          = X944 )
                                                                                                                                                                                                                                                                                                                                     => ( ! [X948: $i,X950: $i,X952: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( in @ X952 @ ( cartprod @ X948 @ X950 ) )
                                                                                                                                                                                                                                                                                                                                           => ( in @ ( kfst @ X952 ) @ X948 ) )
                                                                                                                                                                                                                                                                                                                                       => ( ! [X954: $i,X956: $i,X958: $i,X960: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ X954 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X954 @ ( setadjoin @ X956 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                = ( setadjoin @ ( setadjoin @ X958 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X958 @ ( setadjoin @ X960 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                             => ( X954 = X958 ) )
                                                                                                                                                                                                                                                                                                                                         => ( ! [X962: $i,X964: $i,X966: $i,X968: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( ( kpair @ X962 @ X964 )
                                                                                                                                                                                                                                                                                                                                                  = ( kpair @ X966 @ X968 ) )
                                                                                                                                                                                                                                                                                                                                               => ( X962 = X966 ) )
                                                                                                                                                                                                                                                                                                                                           => ( ! [X970: $i,X972: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( X970 = X972 )
                                                                                                                                                                                                                                                                                                                                                 => ( ( setadjoin @ X970 @ ( setadjoin @ X972 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                    = ( setadjoin @ X970 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                             => ( ! [X974: $i,X976: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( X974 = X976 )
                                                                                                                                                                                                                                                                                                                                                   => ( ( setadjoin @ ( setadjoin @ X974 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X974 @ ( setadjoin @ X976 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                      = ( setadjoin @ ( setadjoin @ X974 @ emptyset ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                               => ( ! [X978: $i,X980: $i,X982: $i,X984: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ X978 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X978 @ ( setadjoin @ X980 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                        = ( setadjoin @ ( setadjoin @ X982 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X982 @ ( setadjoin @ X984 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                                     => ( ( X982 = X984 )
                                                                                                                                                                                                                                                                                                                                                       => ( X980 = X984 ) ) )
                                                                                                                                                                                                                                                                                                                                                 => ( ! [X986: $i,X988: $i,X990: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ X986 @ ( setadjoin @ X988 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                          = ( setadjoin @ X990 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                       => ( X986 = X988 ) )
                                                                                                                                                                                                                                                                                                                                                   => ( ! [X992: $i,X994: $i,X996: $i,X998: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ X992 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X992 @ ( setadjoin @ X994 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ ( setadjoin @ X996 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X996 @ ( setadjoin @ X998 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                                         => ( X994 = X998 ) )
                                                                                                                                                                                                                                                                                                                                                     => ( ! [X1000: $i,X1002: $i,X1004: $i,X1006: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( ( kpair @ X1000 @ X1002 )
                                                                                                                                                                                                                                                                                                                                                              = ( kpair @ X1004 @ X1006 ) )
                                                                                                                                                                                                                                                                                                                                                           => ( X1002 = X1006 ) )
                                                                                                                                                                                                                                                                                                                                                       => ( ! [X1008: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( iskpair @ X1008 )
                                                                                                                                                                                                                                                                                                                                                             => ? [X1010: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ X1010
                                                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ ( setunion @ X1008 )
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [V_26: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( X1008
                                                                                                                                                                                                                                                                                                                                                                          = ( kpair @ ( kfst @ X1008 ) @ V_26 ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                  & ( ( dsetconstr @ ( setunion @ X1008 )
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [V_25: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( X1008
                                                                                                                                                                                                                                                                                                                                                                          = ( kpair @ ( kfst @ X1008 ) @ V_25 ) ) )
                                                                                                                                                                                                                                                                                                                                                                    = ( setadjoin @ X1010 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                         => ( ! [X1012: $i,X1014: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( ksnd @ ( kpair @ X1012 @ X1014 ) )
                                                                                                                                                                                                                                                                                                                                                                = X1014 )
                                                                                                                                                                                                                                                                                                                                                           => ( ! [X1016: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( iskpair @ X1016 )
                                                                                                                                                                                                                                                                                                                                                                 => ( ( kpair @ ( kfst @ X1016 ) @ ( ksnd @ X1016 ) )
                                                                                                                                                                                                                                                                                                                                                                    = X1016 ) )
                                                                                                                                                                                                                                                                                                                                                             => ( ! [X1018: $i,X1020: $i,X1022: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ X1022 @ ( cartprod @ X1018 @ X1020 ) )
                                                                                                                                                                                                                                                                                                                                                                   => ( in @ ( ksnd @ X1022 ) @ X1020 ) )
                                                                                                                                                                                                                                                                                                                                                               => ( ! [X1024: $i,X1026: $i,X1028: $i,X1030: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ ( kpair @ X1028 @ X1030 ) @ ( cartprod @ X1024 @ X1026 ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( in @ X1028 @ X1024 ) )
                                                                                                                                                                                                                                                                                                                                                                 => ( ! [X1032: $i,X1034: $i,X1036: $i,X1038: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ ( kpair @ X1036 @ X1038 ) @ ( cartprod @ X1032 @ X1034 ) )
                                                                                                                                                                                                                                                                                                                                                                       => ( in @ X1038 @ X1034 ) )
                                                                                                                                                                                                                                                                                                                                                                   => ( ! [X1040: $i,X1042: $i,X1044: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ X1044 @ X1040 )
                                                                                                                                                                                                                                                                                                                                                                         => ! [X1046: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ X1046 @ X1042 )
                                                                                                                                                                                                                                                                                                                                                                             => ( ( kpair @ X1044 @ X1046 )
                                                                                                                                                                                                                                                                                                                                                                                = ( kpair @ X1044 @ X1046 ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( ! [X1048: $i,X1050: $i,X1052: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ X1052 @ X1048 )
                                                                                                                                                                                                                                                                                                                                                                           => ! [X1054: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ X1054 @ X1050 )
                                                                                                                                                                                                                                                                                                                                                                               => ( ( kfst @ ( kpair @ X1052 @ X1054 ) )
                                                                                                                                                                                                                                                                                                                                                                                  = X1052 ) ) )
                                                                                                                                                                                                                                                                                                                                                                       => ( ! [X1056: $i,X1058: $i,X1060: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ X1060 @ X1056 )
                                                                                                                                                                                                                                                                                                                                                                             => ! [X1062: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ X1062 @ X1058 )
                                                                                                                                                                                                                                                                                                                                                                                 => ( ( ksnd @ ( kpair @ X1060 @ X1062 ) )
                                                                                                                                                                                                                                                                                                                                                                                    = X1062 ) ) )
                                                                                                                                                                                                                                                                                                                                                                         => ( ! [X1064: $i,X1066: $i,X1068: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ X1068 @ ( cartprod @ X1064 @ X1066 ) )
                                                                                                                                                                                                                                                                                                                                                                               => ( ( kpair @ ( kfst @ X1068 ) @ ( ksnd @ X1068 ) )
                                                                                                                                                                                                                                                                                                                                                                                  = X1068 ) )
                                                                                                                                                                                                                                                                                                                                                                           => ( ! [X1070: $i,X1072: $i,X1074: $i > $i > $o,X1076: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ X1076 @ X1070 )
                                                                                                                                                                                                                                                                                                                                                                                 => ! [X1078: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ X1078 @ X1072 )
                                                                                                                                                                                                                                                                                                                                                                                     => ( ( X1074 @ X1076 @ X1078 )
                                                                                                                                                                                                                                                                                                                                                                                       => ( in @ ( kpair @ X1076 @ X1078 )
                                                                                                                                                                                                                                                                                                                                                                                          @ ( dpsetconstr @ X1070 @ X1072
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [V_27: $i,V_28: $i] : ( X1074 @ V_27 @ V_28 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                             => ( ! [X1080: $i,X1082: $i,X1084: $i > $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                    ( subset
                                                                                                                                                                                                                                                                                                                                                                                    @ ( dpsetconstr @ X1080 @ X1082
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [V_29: $i,V_30: $i] : ( X1084 @ V_29 @ V_30 ) )
                                                                                                                                                                                                                                                                                                                                                                                    @ ( cartprod @ X1080 @ X1082 ) )
                                                                                                                                                                                                                                                                                                                                                                               => ( ! [X1086: $i,X1088: $i,X1090: $i > $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                      ( subset
                                                                                                                                                                                                                                                                                                                                                                                      @ ( dpsetconstr @ X1086 @ X1088
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [V_31: $i,V_32: $i] : ( X1090 @ V_31 @ V_32 ) )
                                                                                                                                                                                                                                                                                                                                                                                      @ ( cartprod @ X1086 @ X1088 ) )
                                                                                                                                                                                                                                                                                                                                                                                 => ( ! [X1092: $i,X1094: $i,X1096: $i > $i > $o,X1098: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ X1098 @ X1092 )
                                                                                                                                                                                                                                                                                                                                                                                       => ! [X1100: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ X1100 @ X1094 )
                                                                                                                                                                                                                                                                                                                                                                                           => ( ( in @ ( kpair @ X1098 @ X1100 )
                                                                                                                                                                                                                                                                                                                                                                                                @ ( dpsetconstr @ X1092 @ X1094
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [V_33: $i,V_34: $i] : ( X1096 @ V_33 @ V_34 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                             => ( X1096 @ X1098 @ X1100 ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                   => ( ! [X1102: $i,X1104: $i,X1106: $i > $i > $o,X1108: $i,X1110: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ ( kpair @ X1108 @ X1110 )
                                                                                                                                                                                                                                                                                                                                                                                            @ ( dpsetconstr @ X1102 @ X1104
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [V_35: $i,V_36: $i] : ( X1106 @ V_35 @ V_36 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                         => ( in @ X1108 @ X1102 ) )
                                                                                                                                                                                                                                                                                                                                                                                     => ( ! [X1112: $i,X1114: $i,X1116: $i > $i > $o,X1118: $i,X1120: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ ( kpair @ X1118 @ X1120 )
                                                                                                                                                                                                                                                                                                                                                                                              @ ( dpsetconstr @ X1112 @ X1114
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [V_37: $i,V_38: $i] : ( X1116 @ V_37 @ V_38 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                           => ( in @ X1120 @ X1114 ) )
                                                                                                                                                                                                                                                                                                                                                                                       => ( ! [X1122: $i,X1124: $i,X1126: $i > $i > $o,X1128: $i,X1130: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ ( kpair @ X1128 @ X1130 )
                                                                                                                                                                                                                                                                                                                                                                                                @ ( dpsetconstr @ X1122 @ X1124
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [V_39: $i,V_40: $i] : ( X1126 @ V_39 @ V_40 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                             => ( X1126 @ X1128 @ X1130 ) )
                                                                                                                                                                                                                                                                                                                                                                                         => ( ! [X1132: $i,X1134: $i,X1136: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( ( ! [X1138: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ X1138 @ X1132 )
                                                                                                                                                                                                                                                                                                                                                                                                     => ? [X1140: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ X1140
                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ X1134
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [V_42: $i] : ( in @ ( kpair @ X1138 @ V_42 ) @ X1136 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                          & ( ( dsetconstr @ X1134
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [V_41: $i] : ( in @ ( kpair @ X1138 @ V_41 ) @ X1136 ) )
                                                                                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ X1140 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ X1136 @ ( cartprod @ X1132 @ X1134 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                               => ! [X1142: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ X1142 @ X1132 )
                                                                                                                                                                                                                                                                                                                                                                                                   => ? [X1144: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ X1144
                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ X1134
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [V_44: $i] : ( in @ ( kpair @ X1142 @ V_44 ) @ X1136 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                        & ( ( dsetconstr @ X1134
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [V_43: $i] : ( in @ ( kpair @ X1142 @ V_43 ) @ X1136 ) )
                                                                                                                                                                                                                                                                                                                                                                                                          = ( setadjoin @ X1144 @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                           => ( ! [X1146: $i,X1148: $i,X1150: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( ( ! [X1152: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ X1152 @ X1146 )
                                                                                                                                                                                                                                                                                                                                                                                                       => ? [X1154: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ X1154
                                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ X1148
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [V_46: $i] : ( in @ ( kpair @ X1152 @ V_46 ) @ X1150 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                            & ( ( dsetconstr @ X1148
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [V_45: $i] : ( in @ ( kpair @ X1152 @ V_45 ) @ X1150 ) )
                                                                                                                                                                                                                                                                                                                                                                                                              = ( setadjoin @ X1154 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                    & ( subset @ X1150 @ ( cartprod @ X1146 @ X1148 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                 => ! [X1156: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ X1156 @ X1146 )
                                                                                                                                                                                                                                                                                                                                                                                                     => ( in
                                                                                                                                                                                                                                                                                                                                                                                                        @ ( setunion
                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ X1148
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [V_47: $i] : ( in @ ( kpair @ X1156 @ V_47 ) @ X1150 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                        @ X1148 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                             => ( ! [X1158: $i,X1160: $i,X1162: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( ! [X1164: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ X1164 @ X1158 )
                                                                                                                                                                                                                                                                                                                                                                                                         => ? [X1166: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ X1166
                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ X1160
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [V_49: $i] : ( in @ ( kpair @ X1164 @ V_49 ) @ X1162 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( dsetconstr @ X1160
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [V_48: $i] : ( in @ ( kpair @ X1164 @ V_48 ) @ X1162 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                = ( setadjoin @ X1166 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ X1162 @ ( cartprod @ X1158 @ X1160 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                   => ! [X1168: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ X1168 @ X1158 )
                                                                                                                                                                                                                                                                                                                                                                                                       => ( in
                                                                                                                                                                                                                                                                                                                                                                                                          @ ( setunion
                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ X1160
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [V_50: $i] : ( in @ ( kpair @ X1168 @ V_50 ) @ X1162 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                          @ X1160 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                               => ! [X1170: $i,X1172: $i,X1174: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ X1174
                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( powerset @ ( cartprod @ X1170 @ X1172 ) )
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [V_51: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ! [X1176: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ X1176 @ X1170 )
                                                                                                                                                                                                                                                                                                                                                                                                               => ? [X1178: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ X1178
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ X1172
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [V_53: $i] : ( in @ ( kpair @ X1176 @ V_53 ) @ V_51 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                    & ( ( dsetconstr @ X1172
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [V_52: $i] : ( in @ ( kpair @ X1176 @ V_52 ) @ V_51 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                      = ( setadjoin @ X1178 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                            & ( subset @ V_51 @ ( cartprod @ X1170 @ X1172 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                   => ( ! [X1180: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ X1180 @ X1170 )
                                                                                                                                                                                                                                                                                                                                                                                                         => ? [X1182: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ X1182
                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ X1172
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [V_55: $i] : ( in @ ( kpair @ X1180 @ V_55 ) @ X1174 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( dsetconstr @ X1172
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [V_54: $i] : ( in @ ( kpair @ X1180 @ V_54 ) @ X1174 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                = ( setadjoin @ X1182 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ X1174 @ ( cartprod @ X1170 @ X1172 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).

thf(zf_stmt_1,negated_conjecture,
    ~ ( ! [X4: $i,X6: $i] :
          ( ! [X8: $i] :
              ( ( in @ X8 @ X4 )
            <=> ( in @ X8 @ X6 ) )
         => ( X4 = X6 ) )
     => ( ! [X10: $i] :
            ~ ( in @ X10 @ emptyset )
       => ( ! [X12: $i,X14: $i,X16: $i] :
              ( ( in @ X16 @ ( setadjoin @ X12 @ X14 ) )
            <=> ( ( in @ X16 @ X14 )
                | ( X16 = X12 ) ) )
         => ( ! [X18: $i,X20: $i] :
                ( ( in @ X20 @ ( powerset @ X18 ) )
              <=> ! [X22: $i] :
                    ( ( in @ X22 @ X20 )
                   => ( in @ X22 @ X18 ) ) )
           => ( ! [X24: $i,X26: $i] :
                  ( ( in @ X26 @ ( setunion @ X24 ) )
                <=> ? [X28: $i] :
                      ( ( in @ X26 @ X28 )
                      & ( in @ X28 @ X24 ) ) )
             => ( ( in @ emptyset @ omega )
               => ( ! [X30: $i] :
                      ( ( in @ X30 @ omega )
                     => ( in @ ( setadjoin @ X30 @ X30 ) @ omega ) )
                 => ( ! [X32: $i] :
                        ( ( ! [X34: $i] :
                              ( ( ( in @ X34 @ X32 )
                                & ( in @ X34 @ omega ) )
                             => ( in @ ( setadjoin @ X34 @ X34 ) @ X32 ) )
                          & ( in @ emptyset @ X32 ) )
                       => ! [X36: $i] :
                            ( ( in @ X36 @ omega )
                           => ( in @ X36 @ X32 ) ) )
                   => ( ! [X38: $i > $i > $o,X40: $i] :
                          ( ! [X42: $i] :
                              ( ( in @ X42 @ X40 )
                             => ? [X44: $i] :
                                  ( ( X38 @ X42 @ X44 )
                                  & ! [X46: $i] :
                                      ( ( X38 @ X42 @ X46 )
                                     => ( X44 = X46 ) ) ) )
                         => ? [X48: $i] :
                            ! [X50: $i] :
                              ( ( in @ X50 @ X48 )
                            <=> ? [X52: $i] :
                                  ( ( in @ X52 @ X40 )
                                  & ( X38 @ X52 @ X50 ) ) ) )
                     => ( ! [X54: $i] :
                            ( ? [X56: $i] : ( in @ X56 @ X54 )
                           => ? [X58: $i] :
                                ( ( in @ X58 @ X54 )
                                & ~ ? [X60: $i] :
                                      ( ( in @ X60 @ X58 )
                                      & ( in @ X60 @ X54 ) ) ) )
                       => ( ! [X62: $i] :
                            ? [X64: $i] :
                              ( ! [X96: $i] :
                                  ( ( in @ X96 @ X64 )
                                 => ! [X98: $i] :
                                      ( ( in @ X98 @ X96 )
                                     => ( in @ X98 @ X62 ) ) )
                              & ! [X90: $i,X92: $i] :
                                  ( ( ( in @ X92 @ X62 )
                                    & ( in @ X90 @ X62 ) )
                                 => ( ! [X94: $i] :
                                        ( ( in @ X94 @ X64 )
                                       => ( ( in @ X90 @ X94 )
                                        <=> ( in @ X92 @ X94 ) ) )
                                   => ( X90 = X92 ) ) )
                              & ! [X82: $i,X84: $i] :
                                  ( ( ( in @ X84 @ X64 )
                                    & ( in @ X82 @ X64 ) )
                                 => ( ! [X88: $i] :
                                        ( ( in @ X88 @ X84 )
                                       => ( in @ X88 @ X82 ) )
                                    | ! [X86: $i] :
                                        ( ( in @ X86 @ X82 )
                                       => ( in @ X86 @ X84 ) ) ) )
                              & ! [X66: $i] :
                                  ( ( ? [X70: $i] : ( in @ X70 @ X66 )
                                    & ! [X68: $i] :
                                        ( ( in @ X68 @ X66 )
                                       => ( in @ X68 @ X62 ) ) )
                                 => ? [X72: $i,X74: $i] :
                                      ( ( in @ X72 @ X64 )
                                      & ( in @ X74 @ X66 )
                                      & ~ ? [X80: $i] :
                                            ( ( in @ X80 @ X72 )
                                            & ( in @ X80 @ X66 ) )
                                      & ! [X76: $i] :
                                          ( ( in @ X76 @ X64 )
                                         => ( ( in @ X74 @ X76 )
                                            | ! [X78: $i] :
                                                ( ( in @ X78 @ X76 )
                                               => ( in @ X78 @ X72 ) ) ) ) ) ) )
                         => ( ! [X100: $i > $o] :
                                ( ? [X102: $i] :
                                    ( ( X100 @ X102 )
                                    & ! [X104: $i] :
                                        ( ( X100 @ X104 )
                                       => ( X102 = X104 ) ) )
                               => ( X100
                                  @ ( descr
                                    @ ^ [V_1: $i] : ( X100 @ V_1 ) ) ) )
                           => ( ! [X106: $i,X108: $i > $o,X110: $i] :
                                  ( ( in @ X110 @ X106 )
                                 => ( ( X108 @ X110 )
                                   => ( in @ X110
                                      @ ( dsetconstr @ X106
                                        @ ^ [V_2: $i] : ( X108 @ V_2 ) ) ) ) )
                             => ( ! [X112: $i,X114: $i > $o,X116: $i] :
                                    ( ( in @ X116
                                      @ ( dsetconstr @ X112
                                        @ ^ [V_3: $i] : ( X114 @ V_3 ) ) )
                                   => ( in @ X116 @ X112 ) )
                               => ( ! [X118: $i,X120: $i > $o,X122: $i] :
                                      ( ( in @ X122
                                        @ ( dsetconstr @ X118
                                          @ ^ [V_4: $i] : ( X120 @ V_4 ) ) )
                                     => ( X120 @ X122 ) )
                                 => ( ! [X124: $i > $o] :
                                        ( ? [X126: $i] :
                                            ( ( X124 @ X126 )
                                            & ! [X128: $i] :
                                                ( ( X124 @ X128 )
                                               => ( X126 = X128 ) ) )
                                       => ? [X130: $i] :
                                            ( ( X124 @ X130 )
                                            & ! [X132: $i] :
                                                ( ( X124 @ X132 )
                                               => ( X130 = X132 ) ) ) )
                                   => ( ! [X134: $o,X136: $i] :
                                          ( ( in @ X136 @ ( prop2set @ X134 ) )
                                         => X134 )
                                     => ( ! [X138: $i] :
                                            ( ( in @ X138 @ emptyset )
                                           => ! [X140: $o] : X140 )
                                       => ( ! [X142: $i] :
                                              ~ ( in @ X142 @ emptyset )
                                         => ( ! [X144: $i] :
                                                ~ ( in @ X144 @ emptyset )
                                           => ( ! [X146: $i > $o] :
                                                  ( ? [X148: $i] :
                                                      ( ( X146 @ X148 )
                                                      & ! [X150: $i] :
                                                          ( ( X146 @ X150 )
                                                         => ( X148 = X150 ) ) )
                                                 => ? [X152: $i] : ( X146 @ X152 ) )
                                             => ( ! [X154: $i,X156: $i] :
                                                    ( ! [X158: $i] :
                                                        ( ( in @ X158 @ X154 )
                                                       => ( in @ X158 @ X156 ) )
                                                   => ( ! [X160: $i] :
                                                          ( ( in @ X160 @ X156 )
                                                         => ( in @ X160 @ X154 ) )
                                                     => ( X154 = X156 ) ) )
                                               => ( ! [X162: $i] :
                                                      ( ! [X164: $i] :
                                                          ~ ( in @ X164 @ X162 )
                                                     => ( X162 = emptyset ) )
                                                 => ( ! [X166: $i] :
                                                        ( ! [X168: $i] :
                                                            ~ ( in @ X168 @ X166 )
                                                       => ( X166 = emptyset ) )
                                                   => ( ! [X170: $i,X172: $i > $o,X174: $i] :
                                                          ( ( in @ X174 @ X170 )
                                                         => ( ( in @ X174
                                                              @ ( dsetconstr @ X170
                                                                @ ^ [V_5: $i] : ( X172 @ V_5 ) ) )
                                                          <=> ( X172 @ X174 ) ) )
                                                     => ( ! [X176: $i] :
                                                            ( ( X176 != emptyset )
                                                           => ? [X178: $i] : ( in @ X178 @ X176 ) )
                                                       => ( ! [X180: $i,X182: $i > $o,X184: $i] :
                                                              ( ( in @ X184 @ X180 )
                                                             => ( ( X182 @ X184 )
                                                               => ( ( dsetconstr @ X180
                                                                    @ ^ [V_6: $i] : ( X182 @ V_6 ) )
                                                                 != emptyset ) ) )
                                                         => ( ! [X186: $i] :
                                                                ( ? [X188: $i] : ( in @ X188 @ X186 )
                                                               => ( X186 != emptyset ) )
                                                           => ( ! [X190: $i,X192: $i] : ( in @ X190 @ ( setadjoin @ X190 @ X192 ) )
                                                             => ( ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) )
                                                               => ( ! [X194: $i,X196: $i,X198: $i] :
                                                                      ( ( in @ X198 @ X196 )
                                                                     => ( in @ X198 @ ( setadjoin @ X194 @ X196 ) ) )
                                                                 => ( ! [X200: $i,X202: $i,X204: $i] :
                                                                        ( ( in @ X204 @ ( setadjoin @ X200 @ X202 ) )
                                                                       => ! [X206: $o] :
                                                                            ( ( ( X204 = X200 )
                                                                             => X206 )
                                                                           => ( ( ( in @ X204 @ X202 )
                                                                               => X206 )
                                                                             => X206 ) ) )
                                                                   => ( ! [X208: $i,X210: $i,X212: $i] :
                                                                          ( ( in @ X212 @ ( setadjoin @ X208 @ X210 ) )
                                                                         => ( ( in @ X212 @ X210 )
                                                                            | ( X212 = X208 ) ) )
                                                                     => ( ! [X214: $i] :
                                                                            ( ( dsetconstr @ X214
                                                                              @ ^ [V_7: $i] : $true )
                                                                            = X214 )
                                                                       => ( ! [X216: $i,X218: $i] :
                                                                              ( ! [X220: $i] :
                                                                                  ( ( in @ X220 @ X218 )
                                                                                 => ( in @ X220 @ X216 ) )
                                                                             => ( in @ X218 @ ( powerset @ X216 ) ) )
                                                                         => ( ! [X222: $i] : ( in @ emptyset @ ( powerset @ X222 ) )
                                                                           => ( ! [X224: $i] : ( in @ emptyset @ ( powerset @ X224 ) )
                                                                             => ( ! [X226: $i,X228: $i,X230: $i] :
                                                                                    ( ( in @ X228 @ ( powerset @ X226 ) )
                                                                                   => ( ( in @ X230 @ X228 )
                                                                                     => ( in @ X230 @ X226 ) ) )
                                                                               => ( ! [X232: $i,X234: $i,X236: $i] :
                                                                                      ( ( in @ X234 @ X236 )
                                                                                     => ( ( in @ X236 @ X232 )
                                                                                       => ( in @ X234 @ ( setunion @ X232 ) ) ) )
                                                                                 => ( ! [X238: $i,X240: $i] :
                                                                                        ( ( in @ X240 @ ( setunion @ X238 ) )
                                                                                       => ! [X242: $o] :
                                                                                            ( ! [X244: $i] :
                                                                                                ( ( in @ X240 @ X244 )
                                                                                               => ( ( in @ X244 @ X238 )
                                                                                                 => X242 ) )
                                                                                           => X242 ) )
                                                                                   => ( ! [X246: $i,X248: $i] :
                                                                                          ( ( in @ X248 @ X246 )
                                                                                         => ( in @ X248 @ ( powerset @ ( setunion @ X246 ) ) ) )
                                                                                     => ( ! [X250: $i > $o] :
                                                                                            ( ? [X252: $i] :
                                                                                                ( ( X250 @ X252 )
                                                                                                & ! [X254: $i] :
                                                                                                    ( ( X250 @ X254 )
                                                                                                   => ( X252 = X254 ) ) )
                                                                                           => ? [X256: $i] :
                                                                                              ! [X258: $i] :
                                                                                                ( ( X250 @ X258 )
                                                                                              <=> ( X258 = X256 ) ) )
                                                                                       => ( ! [X260: $i] :
                                                                                              ( ( X260 != emptyset )
                                                                                             => ? [X262: $i] : ( in @ X262 @ X260 ) )
                                                                                         => ( ! [X264: $i,X266: $i] :
                                                                                                ( ( in @ X264 @ ( setadjoin @ X266 @ emptyset ) )
                                                                                               => ( X264 = X266 ) )
                                                                                           => ( ! [X268: $i,X270: $i] :
                                                                                                  ( ( X268 != X270 )
                                                                                                 => ~ ( in @ X270 @ ( setadjoin @ X268 @ emptyset ) ) )
                                                                                             => ( ! [X272: $i,X274: $i] :
                                                                                                    ( ( X272 = X274 )
                                                                                                   => ( in @ X272 @ ( setadjoin @ X274 @ emptyset ) ) )
                                                                                               => ( ! [X276: $i,X278: $i] :
                                                                                                      ( ( in @ X276 @ ( setadjoin @ X278 @ emptyset ) )
                                                                                                     => ( in @ X278 @ ( setadjoin @ X276 @ emptyset ) ) )
                                                                                                 => ( ! [X280: $i,X282: $i,X284: $i] :
                                                                                                        ( ( in @ X284 @ ( setadjoin @ X280 @ ( setadjoin @ X282 @ emptyset ) ) )
                                                                                                       => ( ( X284 = X282 )
                                                                                                          | ( X284 = X280 ) ) )
                                                                                                   => ( ! [X286: $i,X288: $i] : ( in @ X286 @ ( setadjoin @ X286 @ ( setadjoin @ X288 @ emptyset ) ) )
                                                                                                     => ( ! [X290: $i,X292: $i] : ( in @ X292 @ ( setadjoin @ X290 @ ( setadjoin @ X292 @ emptyset ) ) )
                                                                                                       => ( ! [X294: $i,X296: $i > $o] :
                                                                                                              ( ? [X298: $i] :
                                                                                                                  ( ( in @ X298 @ X294 )
                                                                                                                  & ( X296 @ X298 ) )
                                                                                                             => ( ( dsetconstr @ X294
                                                                                                                  @ ^ [V_8: $i] : ( X296 @ V_8 ) )
                                                                                                               != emptyset ) )
                                                                                                         => ( ! [X300: $i > $o,X302: $i] :
                                                                                                                ( ( in @ X302 @ emptyset )
                                                                                                               => ( X300 @ X302 ) )
                                                                                                           => ( ! [X304: $i,X306: $i > $o] :
                                                                                                                  ( ~ ! [X308: $i] :
                                                                                                                        ( ( in @ X308 @ X304 )
                                                                                                                       => ( X306 @ X308 ) )
                                                                                                                 => ? [X310: $i] :
                                                                                                                      ( ( in @ X310 @ X304 )
                                                                                                                      & ~ ( X306 @ X310 ) ) )
                                                                                                             => ( ! [X312: $i,X314: $i > $o] :
                                                                                                                    ( ! [X316: $i] :
                                                                                                                        ( ( in @ X316 @ X312 )
                                                                                                                       => ~ ( X314 @ X316 ) )
                                                                                                                   => ~ ? [X318: $i] :
                                                                                                                          ( ( in @ X318 @ X312 )
                                                                                                                          & ( X314 @ X318 ) ) )
                                                                                                               => ( ! [X320: $i,X322: $i > $o] :
                                                                                                                      ( ~ ? [X324: $i] :
                                                                                                                            ( ( in @ X324 @ X320 )
                                                                                                                            & ( X322 @ X324 ) )
                                                                                                                     => ! [X326: $i] :
                                                                                                                          ( ( in @ X326 @ X320 )
                                                                                                                         => ~ ( X322 @ X326 ) ) )
                                                                                                                 => ( ! [X328: $i,X330: $i > $o] :
                                                                                                                        ( ? [X332: $i] :
                                                                                                                            ( ( in @ X332 @ X328 )
                                                                                                                            & ~ ( X330 @ X332 ) )
                                                                                                                       => ~ ! [X334: $i] :
                                                                                                                              ( ( in @ X334 @ X328 )
                                                                                                                             => ( X330 @ X334 ) ) )
                                                                                                                   => ( ! [X336: $o] :
                                                                                                                          ( X336
                                                                                                                         => ( in @ emptyset @ ( prop2set @ X336 ) ) )
                                                                                                                     => ( ! [X338: $o] :
                                                                                                                            ( X338
                                                                                                                           => ( set2prop @ ( prop2set @ X338 ) ) )
                                                                                                                       => ( ! [X340: $i,X342: $i > $o] :
                                                                                                                              ( ~ ? [X344: $i] :
                                                                                                                                    ( ( in @ X344 @ X340 )
                                                                                                                                    & ( X342 @ X344 ) )
                                                                                                                             => ! [X346: $i] :
                                                                                                                                  ( ( in @ X346 @ X340 )
                                                                                                                                 => ~ ( X342 @ X346 ) ) )
                                                                                                                         => ( ! [X348: $i,X350: $i > $o] :
                                                                                                                                ( ~ ! [X352: $i] :
                                                                                                                                      ( ( in @ X352 @ X348 )
                                                                                                                                     => ( X350 @ X352 ) )
                                                                                                                               => ? [X354: $i] :
                                                                                                                                    ( ( in @ X354 @ X348 )
                                                                                                                                    & ~ ( X350 @ X354 ) ) )
                                                                                                                           => ( ! [X356: $i > $o] :
                                                                                                                                  ( ? [X358: $i] :
                                                                                                                                      ( ( X356 @ X358 )
                                                                                                                                      & ! [X360: $i] :
                                                                                                                                          ( ( X356 @ X360 )
                                                                                                                                         => ( X358 = X360 ) ) )
                                                                                                                                 => ? [X362: $i] :
                                                                                                                                      ( ( X356 @ X362 )
                                                                                                                                      & ! [X364: $i] :
                                                                                                                                          ( ( X356 @ X364 )
                                                                                                                                         => ( X362 = X364 ) ) ) )
                                                                                                                             => ( ! [X366: $i > $o] :
                                                                                                                                    ( ? [X368: $i] : ( X366 @ X368 )
                                                                                                                                   => ( ! [X370: $i,X372: $i] :
                                                                                                                                          ( ( X366 @ X370 )
                                                                                                                                         => ( ( X366 @ X372 )
                                                                                                                                           => ( X370 = X372 ) ) )
                                                                                                                                     => ? [X374: $i] :
                                                                                                                                          ( ( X366 @ X374 )
                                                                                                                                          & ! [X376: $i] :
                                                                                                                                              ( ( X366 @ X376 )
                                                                                                                                             => ( X374 = X376 ) ) ) ) )
                                                                                                                               => ( ! [X378: $i > $o] :
                                                                                                                                      ( ? [X380: $i] :
                                                                                                                                        ! [X382: $i] :
                                                                                                                                          ( ( X378 @ X382 )
                                                                                                                                        <=> ( X382 = X380 ) )
                                                                                                                                     => ? [X384: $i] :
                                                                                                                                          ( ( X378 @ X384 )
                                                                                                                                          & ! [X386: $i] :
                                                                                                                                              ( ( X378 @ X386 )
                                                                                                                                             => ( X384 = X386 ) ) ) )
                                                                                                                                 => ( ! [X388: $i,X390: $i] :
                                                                                                                                        ( ( X388 = X390 )
                                                                                                                                       => ! [X392: $i,X394: $i] :
                                                                                                                                            ( ( X392 = X394 )
                                                                                                                                           => ( ( in @ X392 @ X388 )
                                                                                                                                             => ( in @ X394 @ X390 ) ) ) )
                                                                                                                                   => ( ! [X396: $i,X398: $i] :
                                                                                                                                          ( ( X396 = X398 )
                                                                                                                                         => ! [X400: $i,X402: $i] :
                                                                                                                                              ( ( X400 = X402 )
                                                                                                                                             => ( ( in @ X400 @ X396 )
                                                                                                                                              <=> ( in @ X402 @ X398 ) ) ) )
                                                                                                                                     => ( ! [X404: $i > $o] :
                                                                                                                                            ( ? [X406: $i] :
                                                                                                                                                ( ( X404 @ X406 )
                                                                                                                                                & ! [X408: $i] :
                                                                                                                                                    ( ( X404 @ X408 )
                                                                                                                                                   => ( X406 = X408 ) ) )
                                                                                                                                           => ! [X410: $i,X412: $i] :
                                                                                                                                                ( ( X404 @ X410 )
                                                                                                                                               => ( ( X404 @ X412 )
                                                                                                                                                 => ( X410 = X412 ) ) ) )
                                                                                                                                       => ( ! [X414: $i > $o,X416: $i > $o] :
                                                                                                                                              ( ! [X418: $i,X420: $i] :
                                                                                                                                                  ( ( X418 = X420 )
                                                                                                                                                 => ( ( X414 @ X418 )
                                                                                                                                                  <=> ( X416 @ X420 ) ) )
                                                                                                                                             => ( ? [X422: $i] :
                                                                                                                                                    ( ( X414 @ X422 )
                                                                                                                                                    & ! [X424: $i] :
                                                                                                                                                        ( ( X414 @ X424 )
                                                                                                                                                       => ( X422 = X424 ) ) )
                                                                                                                                              <=> ? [X426: $i] :
                                                                                                                                                    ( ( X416 @ X426 )
                                                                                                                                                    & ! [X428: $i] :
                                                                                                                                                        ( ( X416 @ X428 )
                                                                                                                                                       => ( X426 = X428 ) ) ) ) )
                                                                                                                                         => ( ( emptyset = emptyset )
                                                                                                                                           => ( ! [X430: $i,X432: $i] :
                                                                                                                                                  ( ( X430 = X432 )
                                                                                                                                                 => ! [X434: $i,X436: $i] :
                                                                                                                                                      ( ( X434 = X436 )
                                                                                                                                                     => ( ( setadjoin @ X430 @ X434 )
                                                                                                                                                        = ( setadjoin @ X432 @ X436 ) ) ) )
                                                                                                                                             => ( ! [X438: $i,X440: $i] :
                                                                                                                                                    ( ( X438 = X440 )
                                                                                                                                                   => ( ( powerset @ X438 )
                                                                                                                                                      = ( powerset @ X440 ) ) )
                                                                                                                                               => ( ! [X442: $i,X444: $i] :
                                                                                                                                                      ( ( X442 = X444 )
                                                                                                                                                     => ( ( setunion @ X442 )
                                                                                                                                                        = ( setunion @ X444 ) ) )
                                                                                                                                                 => ( ( omega = omega )
                                                                                                                                                   => ( ! [X446: $i > $o] :
                                                                                                                                                          ( ? [X448: $i] :
                                                                                                                                                              ( ( X446 @ X448 )
                                                                                                                                                              & ! [X450: $i] :
                                                                                                                                                                  ( ( X446 @ X450 )
                                                                                                                                                                 => ( X448 = X450 ) ) )
                                                                                                                                                         => ! [X452: $i,X454: $i] :
                                                                                                                                                              ( ( X446 @ X452 )
                                                                                                                                                             => ( ( X446 @ X454 )
                                                                                                                                                               => ( X452 = X454 ) ) ) )
                                                                                                                                                     => ( ! [X456: $i > $o,X458: $i > $o] :
                                                                                                                                                            ( ! [X460: $i,X462: $i] :
                                                                                                                                                                ( ( X460 = X462 )
                                                                                                                                                               => ( ( X456 @ X460 )
                                                                                                                                                                <=> ( X458 @ X462 ) ) )
                                                                                                                                                           => ( ? [X464: $i] :
                                                                                                                                                                  ( ( X456 @ X464 )
                                                                                                                                                                  & ! [X466: $i] :
                                                                                                                                                                      ( ( X456 @ X466 )
                                                                                                                                                                     => ( X464 = X466 ) ) )
                                                                                                                                                             => ( ? [X468: $i] :
                                                                                                                                                                    ( ( X458 @ X468 )
                                                                                                                                                                    & ! [X470: $i] :
                                                                                                                                                                        ( ( X458 @ X470 )
                                                                                                                                                                       => ( X468 = X470 ) ) )
                                                                                                                                                               => ( ( descr
                                                                                                                                                                    @ ^ [V_9: $i] : ( X456 @ V_9 ) )
                                                                                                                                                                  = ( descr
                                                                                                                                                                    @ ^ [V_10: $i] : ( X458 @ V_10 ) ) ) ) ) )
                                                                                                                                                       => ( ! [X472: $i,X474: $i] :
                                                                                                                                                              ( ( X472 = X474 )
                                                                                                                                                             => ! [X476: $i > $o,X478: $i > $o] :
                                                                                                                                                                  ( ! [X480: $i] :
                                                                                                                                                                      ( ( in @ X480 @ X472 )
                                                                                                                                                                     => ! [X482: $i] :
                                                                                                                                                                          ( ( in @ X482 @ X474 )
                                                                                                                                                                         => ( ( X480 = X482 )
                                                                                                                                                                           => ( ( X476 @ X480 )
                                                                                                                                                                            <=> ( X478 @ X482 ) ) ) ) )
                                                                                                                                                                 => ( ( dsetconstr @ X472
                                                                                                                                                                      @ ^ [V_11: $i] : ( X476 @ V_11 ) )
                                                                                                                                                                    = ( dsetconstr @ X474
                                                                                                                                                                      @ ^ [V_12: $i] : ( X478 @ V_12 ) ) ) ) )
                                                                                                                                                         => ( ! [X484: $i,X486: $i] :
                                                                                                                                                                ( ! [X488: $i] :
                                                                                                                                                                    ( ( in @ X488 @ X484 )
                                                                                                                                                                   => ( in @ X488 @ X486 ) )
                                                                                                                                                               => ( subset @ X484 @ X486 ) )
                                                                                                                                                           => ( ! [X490: $i,X492: $i] :
                                                                                                                                                                  ( ( X490 = X492 )
                                                                                                                                                                 => ( subset @ X492 @ X490 ) )
                                                                                                                                                             => ( ! [X494: $i,X496: $i] :
                                                                                                                                                                    ( ( X494 = X496 )
                                                                                                                                                                   => ( subset @ X494 @ X496 ) )
                                                                                                                                                               => ( ! [X498: $i,X500: $i] :
                                                                                                                                                                      ( ! [X502: $i] :
                                                                                                                                                                          ( ( in @ X502 @ X498 )
                                                                                                                                                                         => ( in @ X502 @ X500 ) )
                                                                                                                                                                     => ( subset @ X498 @ X500 ) )
                                                                                                                                                                 => ( ! [X504: $i] : ( subset @ emptyset @ X504 )
                                                                                                                                                                   => ( ! [X506: $i,X508: $i,X510: $i] :
                                                                                                                                                                          ( ( subset @ X506 @ X508 )
                                                                                                                                                                         => ( ( in @ X510 @ X506 )
                                                                                                                                                                           => ( in @ X510 @ X508 ) ) )
                                                                                                                                                                     => ( ! [X512: $i,X514: $i,X516: $i] :
                                                                                                                                                                            ( ( subset @ X512 @ X514 )
                                                                                                                                                                           => ( ~ ( in @ X516 @ X514 )
                                                                                                                                                                             => ~ ( in @ X516 @ X512 ) ) )
                                                                                                                                                                       => ( ! [X518: $i,X520: $i,X522: $i] :
                                                                                                                                                                              ( ( in @ X522 @ X518 )
                                                                                                                                                                             => ( ~ ( in @ X522 @ X520 )
                                                                                                                                                                               => ~ ( subset @ X518 @ X520 ) ) )
                                                                                                                                                                         => ( ! [X524: $i,X526: $i] :
                                                                                                                                                                                ( ~ ( subset @ X524 @ X526 )
                                                                                                                                                                               => ( X524 != X526 ) )
                                                                                                                                                                           => ( ! [X528: $i,X530: $i,X532: $i] :
                                                                                                                                                                                  ( ( in @ X532 @ X528 )
                                                                                                                                                                                 => ( ~ ( in @ X532 @ X530 )
                                                                                                                                                                                   => ( X528 != X530 ) ) )
                                                                                                                                                                             => ( ! [X534: $i] : ( subset @ X534 @ X534 )
                                                                                                                                                                               => ( ! [X536: $i,X538: $i,X540: $i] :
                                                                                                                                                                                      ( ( subset @ X536 @ X538 )
                                                                                                                                                                                     => ( ( subset @ X538 @ X540 )
                                                                                                                                                                                       => ( subset @ X536 @ X540 ) ) )
                                                                                                                                                                                 => ( ! [X542: $i,X544: $i] : ( subset @ X544 @ ( setadjoin @ X542 @ X544 ) )
                                                                                                                                                                                   => ( ! [X546: $i,X548: $i,X550: $i] :
                                                                                                                                                                                          ( ( subset @ X546 @ X550 )
                                                                                                                                                                                         => ( subset @ X546 @ ( setadjoin @ X548 @ X550 ) ) )
                                                                                                                                                                                     => ( ! [X552: $i,X554: $i] :
                                                                                                                                                                                            ( ( subset @ X552 @ X554 )
                                                                                                                                                                                           => ( in @ X552 @ ( powerset @ X554 ) ) )
                                                                                                                                                                                       => ( ! [X556: $i,X558: $i] :
                                                                                                                                                                                              ( ( subset @ X556 @ X558 )
                                                                                                                                                                                             => ( ( subset @ X558 @ X556 )
                                                                                                                                                                                               => ( X556 = X558 ) ) )
                                                                                                                                                                                         => ( ! [X560: $i] :
                                                                                                                                                                                                ( ( subset @ X560 @ emptyset )
                                                                                                                                                                                               => ( X560 = emptyset ) )
                                                                                                                                                                                           => ( ! [X562: $i,X564: $i] :
                                                                                                                                                                                                  ( ( subset @ X564 @ X562 )
                                                                                                                                                                                                 => ( in @ X564 @ ( powerset @ X562 ) ) )
                                                                                                                                                                                             => ( ! [X566: $i,X568: $i] :
                                                                                                                                                                                                    ( ( in @ X568 @ ( powerset @ X566 ) )
                                                                                                                                                                                                   => ( subset @ X568 @ X566 ) )
                                                                                                                                                                                               => ( ! [X570: $i] : ( in @ X570 @ ( powerset @ X570 ) )
                                                                                                                                                                                                 => ( ! [X572: $i,X574: $i] :
                                                                                                                                                                                                        ( ( subset @ X572 @ X574 )
                                                                                                                                                                                                       => ( subset @ ( powerset @ X572 ) @ ( powerset @ X574 ) ) )
                                                                                                                                                                                                   => ( ! [X576: $i,X578: $i > $o] :
                                                                                                                                                                                                          ( in
                                                                                                                                                                                                          @ ( dsetconstr @ X576
                                                                                                                                                                                                            @ ^ [V_13: $i] : ( X578 @ V_13 ) )
                                                                                                                                                                                                          @ ( powerset @ X576 ) )
                                                                                                                                                                                                     => ( ! [X580: $i,X582: $i > $o] :
                                                                                                                                                                                                            ( subset
                                                                                                                                                                                                            @ ( dsetconstr @ X580
                                                                                                                                                                                                              @ ^ [V_14: $i] : ( X582 @ V_14 ) )
                                                                                                                                                                                                            @ X580 )
                                                                                                                                                                                                       => ( ! [X584: $i,X586: $i,X588: $i] :
                                                                                                                                                                                                              ( ( in @ X588 @ X584 )
                                                                                                                                                                                                             => ( in @ X588 @ ( binunion @ X584 @ X586 ) ) )
                                                                                                                                                                                                         => ( ! [X590: $i,X592: $i] : ( in @ X592 @ ( setadjoin @ X590 @ ( setadjoin @ X592 @ emptyset ) ) )
                                                                                                                                                                                                           => ( ! [X594: $i,X596: $i,X598: $i] :
                                                                                                                                                                                                                  ( ( in @ X598 @ X596 )
                                                                                                                                                                                                                 => ( in @ X598 @ ( binunion @ X594 @ X596 ) ) )
                                                                                                                                                                                                             => ( ! [X600: $i,X602: $i,X604: $i,X606: $o] :
                                                                                                                                                                                                                    ( ( in @ X604 @ ( binunion @ X600 @ X602 ) )
                                                                                                                                                                                                                   => ( ( ( in @ X604 @ X600 )
                                                                                                                                                                                                                       => X606 )
                                                                                                                                                                                                                     => ( ( ( in @ X604 @ X602 )
                                                                                                                                                                                                                         => X606 )
                                                                                                                                                                                                                       => X606 ) ) )
                                                                                                                                                                                                               => ( ! [X608: $i,X610: $i,X612: $i] :
                                                                                                                                                                                                                      ( ( in @ X612 @ ( binunion @ X608 @ X610 ) )
                                                                                                                                                                                                                     => ( ( in @ X612 @ X610 )
                                                                                                                                                                                                                        | ( in @ X612 @ X608 ) ) )
                                                                                                                                                                                                                 => ( ! [X614: $i,X616: $i] : ( subset @ X614 @ ( binunion @ X614 @ X616 ) )
                                                                                                                                                                                                                   => ( ! [X618: $i,X620: $i] : ( subset @ X620 @ ( binunion @ X618 @ X620 ) )
                                                                                                                                                                                                                     => ( ! [X622: $i,X624: $i,X626: $i] :
                                                                                                                                                                                                                            ( ( in @ X626 @ X622 )
                                                                                                                                                                                                                           => ( ( in @ X626 @ X624 )
                                                                                                                                                                                                                             => ( in @ X626 @ ( binintersect @ X622 @ X624 ) ) ) )
                                                                                                                                                                                                                       => ( ! [X628: $i,X630: $i,X632: $i] :
                                                                                                                                                                                                                              ( ( subset @ X632 @ X628 )
                                                                                                                                                                                                                             => ( ( subset @ X632 @ X630 )
                                                                                                                                                                                                                               => ( subset @ X632 @ ( binintersect @ X628 @ X630 ) ) ) )
                                                                                                                                                                                                                         => ( ! [X634: $i,X636: $i,X638: $i] :
                                                                                                                                                                                                                                ( ( in @ X638 @ ( binintersect @ X634 @ X636 ) )
                                                                                                                                                                                                                               => ( in @ X638 @ X634 ) )
                                                                                                                                                                                                                           => ( ! [X640: $i,X642: $i] : ( subset @ ( binintersect @ X640 @ X642 ) @ X640 )
                                                                                                                                                                                                                             => ( ! [X644: $i,X646: $i] :
                                                                                                                                                                                                                                    ( ( subset @ X644 @ X646 )
                                                                                                                                                                                                                                   => ( ( binintersect @ X644 @ X646 )
                                                                                                                                                                                                                                      = X644 ) )
                                                                                                                                                                                                                               => ( ! [X648: $i,X650: $i] :
                                                                                                                                                                                                                                      ( ( ( binintersect @ X648 @ X650 )
                                                                                                                                                                                                                                        = X650 )
                                                                                                                                                                                                                                     => ( subset @ X650 @ X648 ) )
                                                                                                                                                                                                                                 => ( ! [X652: $i,X654: $i,X656: $i] :
                                                                                                                                                                                                                                        ( ( in @ X656 @ ( binintersect @ X652 @ X654 ) )
                                                                                                                                                                                                                                       => ( in @ X656 @ X654 ) )
                                                                                                                                                                                                                                   => ( ! [X658: $i,X660: $i] :
                                                                                                                                                                                                                                          ( ~ ? [X662: $i] :
                                                                                                                                                                                                                                                ( ( in @ X662 @ X658 )
                                                                                                                                                                                                                                                & ( in @ X662 @ X660 ) )
                                                                                                                                                                                                                                         => ( ( binintersect @ X658 @ X660 )
                                                                                                                                                                                                                                            = emptyset ) )
                                                                                                                                                                                                                                     => ( ! [X664: $i,X666: $i] : ( subset @ ( binintersect @ X664 @ X666 ) @ X666 )
                                                                                                                                                                                                                                       => ( ! [X668: $i,X670: $i] :
                                                                                                                                                                                                                                              ( ( subset @ X670 @ X668 )
                                                                                                                                                                                                                                             => ( ( binintersect @ X668 @ X670 )
                                                                                                                                                                                                                                                = X670 ) )
                                                                                                                                                                                                                                         => ( ! [X672: $i,X674: $i] :
                                                                                                                                                                                                                                                ( ( ( binintersect @ X672 @ X674 )
                                                                                                                                                                                                                                                  = X672 )
                                                                                                                                                                                                                                               => ( subset @ X672 @ X674 ) )
                                                                                                                                                                                                                                           => ( ! [X676: $i,X678: $i,X680: $i] :
                                                                                                                                                                                                                                                  ( ( binintersect @ X676 @ ( binunion @ X678 @ X680 ) )
                                                                                                                                                                                                                                                  = ( binunion @ ( binintersect @ X676 @ X678 ) @ ( binintersect @ X676 @ X680 ) ) )
                                                                                                                                                                                                                                             => ( ! [X682: $i,X684: $i,X686: $i] :
                                                                                                                                                                                                                                                    ( ( in @ X686 @ X682 )
                                                                                                                                                                                                                                                   => ( ~ ( in @ X686 @ X684 )
                                                                                                                                                                                                                                                     => ( in @ X686 @ ( setminus @ X682 @ X684 ) ) ) )
                                                                                                                                                                                                                                               => ( ! [X688: $i,X690: $i,X692: $i] :
                                                                                                                                                                                                                                                      ( ( in @ X692 @ ( setminus @ X688 @ X690 ) )
                                                                                                                                                                                                                                                     => ( in @ X692 @ X688 ) )
                                                                                                                                                                                                                                                 => ( ! [X694: $i,X696: $i,X698: $i] :
                                                                                                                                                                                                                                                        ( ( in @ X698 @ ( setminus @ X694 @ X696 ) )
                                                                                                                                                                                                                                                       => ~ ( in @ X698 @ X696 ) )
                                                                                                                                                                                                                                                   => ( ! [X700: $i,X702: $i] :
                                                                                                                                                                                                                                                          ( ( subset @ X700 @ X702 )
                                                                                                                                                                                                                                                         => ( ( setminus @ X700 @ X702 )
                                                                                                                                                                                                                                                            = emptyset ) )
                                                                                                                                                                                                                                                     => ( ! [X704: $i,X706: $i,X708: $i] :
                                                                                                                                                                                                                                                            ( ~ ( in @ X708 @ ( setminus @ X704 @ X706 ) )
                                                                                                                                                                                                                                                           => ( ( in @ X708 @ X704 )
                                                                                                                                                                                                                                                             => ( in @ X708 @ X706 ) ) )
                                                                                                                                                                                                                                                       => ( ! [X710: $i,X712: $i,X714: $i] :
                                                                                                                                                                                                                                                              ( ~ ( in @ X714 @ ( setminus @ X710 @ X712 ) )
                                                                                                                                                                                                                                                             => ( ~ ( in @ X714 @ X712 )
                                                                                                                                                                                                                                                               => ~ ( in @ X714 @ X710 ) ) )
                                                                                                                                                                                                                                                         => ( ! [X716: $i,X718: $i,X720: $i] :
                                                                                                                                                                                                                                                                ( ~ ( in @ X720 @ X716 )
                                                                                                                                                                                                                                                               => ~ ( in @ X720 @ ( setminus @ X716 @ X718 ) ) )
                                                                                                                                                                                                                                                           => ( ! [X722: $i,X724: $i,X726: $i] :
                                                                                                                                                                                                                                                                  ( ( in @ X726 @ X724 )
                                                                                                                                                                                                                                                                 => ~ ( in @ X726 @ ( setminus @ X722 @ X724 ) ) )
                                                                                                                                                                                                                                                             => ( ! [X728: $i,X730: $i] : ( subset @ ( setminus @ X728 @ X730 ) @ X728 )
                                                                                                                                                                                                                                                               => ( ! [X732: $i,X734: $i] :
                                                                                                                                                                                                                                                                      ( ( ( setminus @ X732 @ X734 )
                                                                                                                                                                                                                                                                        = emptyset )
                                                                                                                                                                                                                                                                     => ( subset @ X732 @ X734 ) )
                                                                                                                                                                                                                                                                 => ( ! [X736: $i,X738: $i,X740: $i] :
                                                                                                                                                                                                                                                                        ( ( in @ X740 @ ( symdiff @ X736 @ X738 ) )
                                                                                                                                                                                                                                                                       => ! [X742: $o] :
                                                                                                                                                                                                                                                                            ( ( ( in @ X740 @ X736 )
                                                                                                                                                                                                                                                                             => ( ~ ( in @ X740 @ X738 )
                                                                                                                                                                                                                                                                               => X742 ) )
                                                                                                                                                                                                                                                                           => ( ( ~ ( in @ X740 @ X736 )
                                                                                                                                                                                                                                                                               => ( ( in @ X740 @ X738 )
                                                                                                                                                                                                                                                                                 => X742 ) )
                                                                                                                                                                                                                                                                             => X742 ) ) )
                                                                                                                                                                                                                                                                   => ( ! [X744: $i,X746: $i,X748: $i] :
                                                                                                                                                                                                                                                                          ( ( in @ X748 @ X744 )
                                                                                                                                                                                                                                                                         => ( ~ ( in @ X748 @ X746 )
                                                                                                                                                                                                                                                                           => ( in @ X748 @ ( symdiff @ X744 @ X746 ) ) ) )
                                                                                                                                                                                                                                                                     => ( ! [X750: $i,X752: $i,X754: $i] :
                                                                                                                                                                                                                                                                            ( ~ ( in @ X754 @ X750 )
                                                                                                                                                                                                                                                                           => ( ( in @ X754 @ X752 )
                                                                                                                                                                                                                                                                             => ( in @ X754 @ ( symdiff @ X750 @ X752 ) ) ) )
                                                                                                                                                                                                                                                                       => ( ! [X756: $i,X758: $i,X760: $i] :
                                                                                                                                                                                                                                                                              ( ( in @ X760 @ X756 )
                                                                                                                                                                                                                                                                             => ( ( in @ X760 @ X758 )
                                                                                                                                                                                                                                                                               => ~ ( in @ X760 @ ( symdiff @ X756 @ X758 ) ) ) )
                                                                                                                                                                                                                                                                         => ( ! [X762: $i,X764: $i,X766: $i] :
                                                                                                                                                                                                                                                                                ( ~ ( in @ X766 @ X762 )
                                                                                                                                                                                                                                                                               => ( ~ ( in @ X766 @ X764 )
                                                                                                                                                                                                                                                                                 => ~ ( in @ X766 @ ( symdiff @ X762 @ X764 ) ) ) )
                                                                                                                                                                                                                                                                           => ( ! [X768: $i,X770: $i] : ( in @ X770 @ ( setadjoin @ X768 @ ( setadjoin @ X770 @ emptyset ) ) )
                                                                                                                                                                                                                                                                             => ( ! [X772: $i,X774: $i] : ( in @ X772 @ ( setunion @ ( setadjoin @ ( setadjoin @ X772 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X772 @ ( setadjoin @ X774 @ emptyset ) ) @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                               => ( ! [X776: $i,X778: $i] : ( in @ X778 @ ( setunion @ ( setadjoin @ ( setadjoin @ X776 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X776 @ ( setadjoin @ X778 @ emptyset ) ) @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                 => ( ! [X780: $i,X782: $i] : ( iskpair @ ( setadjoin @ ( setadjoin @ X780 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X780 @ ( setadjoin @ X782 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                   => ( ! [X784: $i,X786: $i] : ( iskpair @ ( kpair @ X784 @ X786 ) )
                                                                                                                                                                                                                                                                                     => ( ! [X788: $i,X790: $i] :
                                                                                                                                                                                                                                                                                            ( ( in @ X790 @ X788 )
                                                                                                                                                                                                                                                                                           => ( subset @ ( setadjoin @ X790 @ emptyset ) @ X788 ) )
                                                                                                                                                                                                                                                                                       => ( ! [X792: $i,X794: $i] :
                                                                                                                                                                                                                                                                                              ( ( in @ X794 @ X792 )
                                                                                                                                                                                                                                                                                             => ( in @ ( setadjoin @ X794 @ emptyset ) @ ( powerset @ X792 ) ) )
                                                                                                                                                                                                                                                                                         => ( ! [X796: $i,X798: $i,X800: $i] :
                                                                                                                                                                                                                                                                                                ( ( in @ X800 @ X796 )
                                                                                                                                                                                                                                                                                               => ( in @ ( setadjoin @ X800 @ emptyset ) @ ( powerset @ ( binunion @ X796 @ X798 ) ) ) )
                                                                                                                                                                                                                                                                                           => ( ! [X802: $i,X804: $i,X806: $i] :
                                                                                                                                                                                                                                                                                                  ( ( in @ X806 @ ( setadjoin @ X802 @ ( setadjoin @ X804 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                 => ( ( X806 = X804 )
                                                                                                                                                                                                                                                                                                    | ( X806 = X802 ) ) )
                                                                                                                                                                                                                                                                                             => ( ! [X808: $i,X810: $i,X812: $i] :
                                                                                                                                                                                                                                                                                                    ( ( in @ X812 @ X808 )
                                                                                                                                                                                                                                                                                                   => ! [X814: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ X814 @ X810 )
                                                                                                                                                                                                                                                                                                       => ( subset @ ( setadjoin @ X812 @ ( setadjoin @ X814 @ emptyset ) ) @ ( binunion @ X808 @ X810 ) ) ) )
                                                                                                                                                                                                                                                                                               => ( ! [X816: $i,X818: $i,X820: $i] :
                                                                                                                                                                                                                                                                                                      ( ( in @ X820 @ X816 )
                                                                                                                                                                                                                                                                                                     => ! [X822: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ X822 @ X818 )
                                                                                                                                                                                                                                                                                                         => ( in @ ( setadjoin @ X820 @ ( setadjoin @ X822 @ emptyset ) ) @ ( powerset @ ( binunion @ X816 @ X818 ) ) ) ) )
                                                                                                                                                                                                                                                                                                 => ( ! [X824: $i,X826: $i,X828: $i] :
                                                                                                                                                                                                                                                                                                        ( ( in @ X828 @ X824 )
                                                                                                                                                                                                                                                                                                       => ! [X830: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ X830 @ X826 )
                                                                                                                                                                                                                                                                                                           => ( subset @ ( setadjoin @ ( setadjoin @ X828 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X828 @ ( setadjoin @ X830 @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( binunion @ X824 @ X826 ) ) ) ) )
                                                                                                                                                                                                                                                                                                   => ( ! [X832: $i,X834: $i,X836: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ X836 @ X832 )
                                                                                                                                                                                                                                                                                                         => ! [X838: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ X838 @ X834 )
                                                                                                                                                                                                                                                                                                             => ( in @ ( setadjoin @ ( setadjoin @ X836 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X836 @ ( setadjoin @ X838 @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( powerset @ ( binunion @ X832 @ X834 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                     => ( ! [X840: $i,X842: $i,X844: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ X844 @ X840 )
                                                                                                                                                                                                                                                                                                           => ! [X846: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ X846 @ X842 )
                                                                                                                                                                                                                                                                                                               => ( in @ ( kpair @ X844 @ X846 ) @ ( powerset @ ( powerset @ ( binunion @ X840 @ X842 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                       => ( ! [X848: $i,X850: $i,X852: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ X852 @ X848 )
                                                                                                                                                                                                                                                                                                             => ! [X854: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ X854 @ X850 )
                                                                                                                                                                                                                                                                                                                 => ( in @ ( kpair @ X852 @ X854 ) @ ( cartprod @ X848 @ X850 ) ) ) )
                                                                                                                                                                                                                                                                                                         => ( ! [X856: $i,X858: $i,X860: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ X860 @ ( cartprod @ X856 @ X858 ) )
                                                                                                                                                                                                                                                                                                               => ? [X862: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ X862 @ X856 )
                                                                                                                                                                                                                                                                                                                    & ? [X864: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ X864 @ X858 )
                                                                                                                                                                                                                                                                                                                        & ( X860
                                                                                                                                                                                                                                                                                                                          = ( kpair @ X862 @ X864 ) ) ) ) )
                                                                                                                                                                                                                                                                                                           => ( ! [X866: $i,X868: $i,X870: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ X870 @ ( cartprod @ X866 @ X868 ) )
                                                                                                                                                                                                                                                                                                                 => ( iskpair @ X870 ) )
                                                                                                                                                                                                                                                                                                             => ( ! [X872: $i,X874: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ X874 @ ( setunion @ X872 ) )
                                                                                                                                                                                                                                                                                                                   => ? [X876: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ X876 @ X872 )
                                                                                                                                                                                                                                                                                                                        & ( in @ X874 @ X876 ) ) )
                                                                                                                                                                                                                                                                                                               => ( ! [X878: $i] : ( subset @ ( setunion @ ( setadjoin @ X878 @ emptyset ) ) @ X878 )
                                                                                                                                                                                                                                                                                                                 => ( ! [X880: $i] : ( subset @ X880 @ ( setunion @ ( setadjoin @ X880 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                   => ( ! [X882: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( setunion @ ( setadjoin @ X882 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                          = X882 )
                                                                                                                                                                                                                                                                                                                     => ( ! [X884: $i,X886: $i > $o] :
                                                                                                                                                                                                                                                                                                                            ( ! [X888: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ X888 @ X884 )
                                                                                                                                                                                                                                                                                                                               => ! [X890: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( in @ X890 @ X884 )
                                                                                                                                                                                                                                                                                                                                   => ( ( X886 @ X888 )
                                                                                                                                                                                                                                                                                                                                     => ( ( X886 @ X890 )
                                                                                                                                                                                                                                                                                                                                       => ( X888 = X890 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                           => ( ? [X892: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ X892 @ X884 )
                                                                                                                                                                                                                                                                                                                                  & ( X886 @ X892 ) )
                                                                                                                                                                                                                                                                                                                             => ? [X894: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ X894
                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ X884
                                                                                                                                                                                                                                                                                                                                      @ ^ [V_16: $i] : ( X886 @ V_16 ) ) )
                                                                                                                                                                                                                                                                                                                                  & ( ( dsetconstr @ X884
                                                                                                                                                                                                                                                                                                                                      @ ^ [V_15: $i] : ( X886 @ V_15 ) )
                                                                                                                                                                                                                                                                                                                                    = ( setadjoin @ X894 @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                                                                       => ( ! [X896: $i,X898: $i > $o] :
                                                                                                                                                                                                                                                                                                                              ( ? [X900: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ X900
                                                                                                                                                                                                                                                                                                                                    @ ( dsetconstr @ X896
                                                                                                                                                                                                                                                                                                                                      @ ^ [V_18: $i] : ( X898 @ V_18 ) ) )
                                                                                                                                                                                                                                                                                                                                  & ( ( dsetconstr @ X896
                                                                                                                                                                                                                                                                                                                                      @ ^ [V_17: $i] : ( X898 @ V_17 ) )
                                                                                                                                                                                                                                                                                                                                    = ( setadjoin @ X900 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                             => ? [X902: $i] :
                                                                                                                                                                                                                                                                                                                                  ( ( in @ X902 @ X896 )
                                                                                                                                                                                                                                                                                                                                  & ( X898 @ X902 ) ) )
                                                                                                                                                                                                                                                                                                                         => ( ! [X904: $i,X906: $i > $o,X908: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ X908 @ X904 )
                                                                                                                                                                                                                                                                                                                               => ( ( X906 @ X908 )
                                                                                                                                                                                                                                                                                                                                 => ( ! [X910: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ X910 @ X904 )
                                                                                                                                                                                                                                                                                                                                       => ( ( X906 @ X910 )
                                                                                                                                                                                                                                                                                                                                         => ( X910 = X908 ) ) )
                                                                                                                                                                                                                                                                                                                                   => ? [X912: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ X912
                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ X904
                                                                                                                                                                                                                                                                                                                                            @ ^ [V_20: $i] : ( X906 @ V_20 ) ) )
                                                                                                                                                                                                                                                                                                                                        & ( ( dsetconstr @ X904
                                                                                                                                                                                                                                                                                                                                            @ ^ [V_19: $i] : ( X906 @ V_19 ) )
                                                                                                                                                                                                                                                                                                                                          = ( setadjoin @ X912 @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                           => ( ! [X914: $i,X916: $i > $o] :
                                                                                                                                                                                                                                                                                                                                  ( ! [X918: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ X918 @ X914 )
                                                                                                                                                                                                                                                                                                                                     => ! [X920: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ X920 @ X914 )
                                                                                                                                                                                                                                                                                                                                         => ( ( X916 @ X918 )
                                                                                                                                                                                                                                                                                                                                           => ( ( X916 @ X920 )
                                                                                                                                                                                                                                                                                                                                             => ( X918 = X920 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                 => ( ? [X922: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ X922 @ X914 )
                                                                                                                                                                                                                                                                                                                                        & ( X916 @ X922 ) )
                                                                                                                                                                                                                                                                                                                                   => ? [X924: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ X924
                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ X914
                                                                                                                                                                                                                                                                                                                                            @ ^ [V_22: $i] : ( X916 @ V_22 ) ) )
                                                                                                                                                                                                                                                                                                                                        & ( ( dsetconstr @ X914
                                                                                                                                                                                                                                                                                                                                            @ ^ [V_21: $i] : ( X916 @ V_21 ) )
                                                                                                                                                                                                                                                                                                                                          = ( setadjoin @ X924 @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                                                                             => ( ! [X926: $i,X928: $i] :
                                                                                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ X926 @ emptyset )
                                                                                                                                                                                                                                                                                                                                      = ( setadjoin @ X928 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                   => ( X926 = X928 ) )
                                                                                                                                                                                                                                                                                                                               => ( ! [X930: $i,X932: $i,X934: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ ( setadjoin @ X934 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X930 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X930 @ ( setadjoin @ X932 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                     => ( X930 = X934 ) )
                                                                                                                                                                                                                                                                                                                                 => ( ! [X936: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( iskpair @ X936 )
                                                                                                                                                                                                                                                                                                                                       => ? [X938: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( in @ X938
                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ ( setunion @ X936 )
                                                                                                                                                                                                                                                                                                                                                @ ^ [V_24: $i] : ( in @ ( setadjoin @ V_24 @ emptyset ) @ X936 ) ) )
                                                                                                                                                                                                                                                                                                                                            & ( ( dsetconstr @ ( setunion @ X936 )
                                                                                                                                                                                                                                                                                                                                                @ ^ [V_23: $i] : ( in @ ( setadjoin @ V_23 @ emptyset ) @ X936 ) )
                                                                                                                                                                                                                                                                                                                                              = ( setadjoin @ X938 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                   => ( ! [X940: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ? [X942: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ X942 @ X940 )
                                                                                                                                                                                                                                                                                                                                              & ( X940
                                                                                                                                                                                                                                                                                                                                                = ( setadjoin @ X942 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                         => ( in @ ( setunion @ X940 ) @ X940 ) )
                                                                                                                                                                                                                                                                                                                                     => ( ! [X944: $i,X946: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( kfst @ ( kpair @ X944 @ X946 ) )
                                                                                                                                                                                                                                                                                                                                            = X944 )
                                                                                                                                                                                                                                                                                                                                       => ( ! [X948: $i,X950: $i,X952: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ X952 @ ( cartprod @ X948 @ X950 ) )
                                                                                                                                                                                                                                                                                                                                             => ( in @ ( kfst @ X952 ) @ X948 ) )
                                                                                                                                                                                                                                                                                                                                         => ( ! [X954: $i,X956: $i,X958: $i,X960: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( ( setadjoin @ ( setadjoin @ X954 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X954 @ ( setadjoin @ X956 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                  = ( setadjoin @ ( setadjoin @ X958 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X958 @ ( setadjoin @ X960 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                               => ( X954 = X958 ) )
                                                                                                                                                                                                                                                                                                                                           => ( ! [X962: $i,X964: $i,X966: $i,X968: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( ( kpair @ X962 @ X964 )
                                                                                                                                                                                                                                                                                                                                                    = ( kpair @ X966 @ X968 ) )
                                                                                                                                                                                                                                                                                                                                                 => ( X962 = X966 ) )
                                                                                                                                                                                                                                                                                                                                             => ( ! [X970: $i,X972: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( X970 = X972 )
                                                                                                                                                                                                                                                                                                                                                   => ( ( setadjoin @ X970 @ ( setadjoin @ X972 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                      = ( setadjoin @ X970 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                               => ( ! [X974: $i,X976: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( ( X974 = X976 )
                                                                                                                                                                                                                                                                                                                                                     => ( ( setadjoin @ ( setadjoin @ X974 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X974 @ ( setadjoin @ X976 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                        = ( setadjoin @ ( setadjoin @ X974 @ emptyset ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                                 => ( ! [X978: $i,X980: $i,X982: $i,X984: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( ( setadjoin @ ( setadjoin @ X978 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X978 @ ( setadjoin @ X980 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                          = ( setadjoin @ ( setadjoin @ X982 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X982 @ ( setadjoin @ X984 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                                       => ( ( X982 = X984 )
                                                                                                                                                                                                                                                                                                                                                         => ( X980 = X984 ) ) )
                                                                                                                                                                                                                                                                                                                                                   => ( ! [X986: $i,X988: $i,X990: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ X986 @ ( setadjoin @ X988 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ X990 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                         => ( X986 = X988 ) )
                                                                                                                                                                                                                                                                                                                                                     => ( ! [X992: $i,X994: $i,X996: $i,X998: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( ( setadjoin @ ( setadjoin @ X992 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X992 @ ( setadjoin @ X994 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                              = ( setadjoin @ ( setadjoin @ X996 @ emptyset ) @ ( setadjoin @ ( setadjoin @ X996 @ ( setadjoin @ X998 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                                           => ( X994 = X998 ) )
                                                                                                                                                                                                                                                                                                                                                       => ( ! [X1000: $i,X1002: $i,X1004: $i,X1006: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( ( kpair @ X1000 @ X1002 )
                                                                                                                                                                                                                                                                                                                                                                = ( kpair @ X1004 @ X1006 ) )
                                                                                                                                                                                                                                                                                                                                                             => ( X1002 = X1006 ) )
                                                                                                                                                                                                                                                                                                                                                         => ( ! [X1008: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( iskpair @ X1008 )
                                                                                                                                                                                                                                                                                                                                                               => ? [X1010: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ X1010
                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ ( setunion @ X1008 )
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [V_26: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( X1008
                                                                                                                                                                                                                                                                                                                                                                            = ( kpair @ ( kfst @ X1008 ) @ V_26 ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                    & ( ( dsetconstr @ ( setunion @ X1008 )
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [V_25: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( X1008
                                                                                                                                                                                                                                                                                                                                                                            = ( kpair @ ( kfst @ X1008 ) @ V_25 ) ) )
                                                                                                                                                                                                                                                                                                                                                                      = ( setadjoin @ X1010 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                           => ( ! [X1012: $i,X1014: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( ksnd @ ( kpair @ X1012 @ X1014 ) )
                                                                                                                                                                                                                                                                                                                                                                  = X1014 )
                                                                                                                                                                                                                                                                                                                                                             => ( ! [X1016: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( iskpair @ X1016 )
                                                                                                                                                                                                                                                                                                                                                                   => ( ( kpair @ ( kfst @ X1016 ) @ ( ksnd @ X1016 ) )
                                                                                                                                                                                                                                                                                                                                                                      = X1016 ) )
                                                                                                                                                                                                                                                                                                                                                               => ( ! [X1018: $i,X1020: $i,X1022: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ X1022 @ ( cartprod @ X1018 @ X1020 ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( in @ ( ksnd @ X1022 ) @ X1020 ) )
                                                                                                                                                                                                                                                                                                                                                                 => ( ! [X1024: $i,X1026: $i,X1028: $i,X1030: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ ( kpair @ X1028 @ X1030 ) @ ( cartprod @ X1024 @ X1026 ) )
                                                                                                                                                                                                                                                                                                                                                                       => ( in @ X1028 @ X1024 ) )
                                                                                                                                                                                                                                                                                                                                                                   => ( ! [X1032: $i,X1034: $i,X1036: $i,X1038: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ ( kpair @ X1036 @ X1038 ) @ ( cartprod @ X1032 @ X1034 ) )
                                                                                                                                                                                                                                                                                                                                                                         => ( in @ X1038 @ X1034 ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( ! [X1040: $i,X1042: $i,X1044: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ X1044 @ X1040 )
                                                                                                                                                                                                                                                                                                                                                                           => ! [X1046: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ X1046 @ X1042 )
                                                                                                                                                                                                                                                                                                                                                                               => ( ( kpair @ X1044 @ X1046 )
                                                                                                                                                                                                                                                                                                                                                                                  = ( kpair @ X1044 @ X1046 ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                       => ( ! [X1048: $i,X1050: $i,X1052: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ X1052 @ X1048 )
                                                                                                                                                                                                                                                                                                                                                                             => ! [X1054: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ X1054 @ X1050 )
                                                                                                                                                                                                                                                                                                                                                                                 => ( ( kfst @ ( kpair @ X1052 @ X1054 ) )
                                                                                                                                                                                                                                                                                                                                                                                    = X1052 ) ) )
                                                                                                                                                                                                                                                                                                                                                                         => ( ! [X1056: $i,X1058: $i,X1060: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ X1060 @ X1056 )
                                                                                                                                                                                                                                                                                                                                                                               => ! [X1062: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ X1062 @ X1058 )
                                                                                                                                                                                                                                                                                                                                                                                   => ( ( ksnd @ ( kpair @ X1060 @ X1062 ) )
                                                                                                                                                                                                                                                                                                                                                                                      = X1062 ) ) )
                                                                                                                                                                                                                                                                                                                                                                           => ( ! [X1064: $i,X1066: $i,X1068: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ X1068 @ ( cartprod @ X1064 @ X1066 ) )
                                                                                                                                                                                                                                                                                                                                                                                 => ( ( kpair @ ( kfst @ X1068 ) @ ( ksnd @ X1068 ) )
                                                                                                                                                                                                                                                                                                                                                                                    = X1068 ) )
                                                                                                                                                                                                                                                                                                                                                                             => ( ! [X1070: $i,X1072: $i,X1074: $i > $i > $o,X1076: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ X1076 @ X1070 )
                                                                                                                                                                                                                                                                                                                                                                                   => ! [X1078: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ X1078 @ X1072 )
                                                                                                                                                                                                                                                                                                                                                                                       => ( ( X1074 @ X1076 @ X1078 )
                                                                                                                                                                                                                                                                                                                                                                                         => ( in @ ( kpair @ X1076 @ X1078 )
                                                                                                                                                                                                                                                                                                                                                                                            @ ( dpsetconstr @ X1070 @ X1072
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [V_27: $i,V_28: $i] : ( X1074 @ V_27 @ V_28 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                               => ( ! [X1080: $i,X1082: $i,X1084: $i > $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                      ( subset
                                                                                                                                                                                                                                                                                                                                                                                      @ ( dpsetconstr @ X1080 @ X1082
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [V_29: $i,V_30: $i] : ( X1084 @ V_29 @ V_30 ) )
                                                                                                                                                                                                                                                                                                                                                                                      @ ( cartprod @ X1080 @ X1082 ) )
                                                                                                                                                                                                                                                                                                                                                                                 => ( ! [X1086: $i,X1088: $i,X1090: $i > $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                        ( subset
                                                                                                                                                                                                                                                                                                                                                                                        @ ( dpsetconstr @ X1086 @ X1088
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [V_31: $i,V_32: $i] : ( X1090 @ V_31 @ V_32 ) )
                                                                                                                                                                                                                                                                                                                                                                                        @ ( cartprod @ X1086 @ X1088 ) )
                                                                                                                                                                                                                                                                                                                                                                                   => ( ! [X1092: $i,X1094: $i,X1096: $i > $i > $o,X1098: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ X1098 @ X1092 )
                                                                                                                                                                                                                                                                                                                                                                                         => ! [X1100: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ X1100 @ X1094 )
                                                                                                                                                                                                                                                                                                                                                                                             => ( ( in @ ( kpair @ X1098 @ X1100 )
                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dpsetconstr @ X1092 @ X1094
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [V_33: $i,V_34: $i] : ( X1096 @ V_33 @ V_34 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                               => ( X1096 @ X1098 @ X1100 ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                     => ( ! [X1102: $i,X1104: $i,X1106: $i > $i > $o,X1108: $i,X1110: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ ( kpair @ X1108 @ X1110 )
                                                                                                                                                                                                                                                                                                                                                                                              @ ( dpsetconstr @ X1102 @ X1104
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [V_35: $i,V_36: $i] : ( X1106 @ V_35 @ V_36 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                           => ( in @ X1108 @ X1102 ) )
                                                                                                                                                                                                                                                                                                                                                                                       => ( ! [X1112: $i,X1114: $i,X1116: $i > $i > $o,X1118: $i,X1120: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ ( kpair @ X1118 @ X1120 )
                                                                                                                                                                                                                                                                                                                                                                                                @ ( dpsetconstr @ X1112 @ X1114
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [V_37: $i,V_38: $i] : ( X1116 @ V_37 @ V_38 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                             => ( in @ X1120 @ X1114 ) )
                                                                                                                                                                                                                                                                                                                                                                                         => ( ! [X1122: $i,X1124: $i,X1126: $i > $i > $o,X1128: $i,X1130: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ ( kpair @ X1128 @ X1130 )
                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dpsetconstr @ X1122 @ X1124
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [V_39: $i,V_40: $i] : ( X1126 @ V_39 @ V_40 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                               => ( X1126 @ X1128 @ X1130 ) )
                                                                                                                                                                                                                                                                                                                                                                                           => ( ! [X1132: $i,X1134: $i,X1136: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( ( ! [X1138: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ X1138 @ X1132 )
                                                                                                                                                                                                                                                                                                                                                                                                       => ? [X1140: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ X1140
                                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ X1134
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [V_42: $i] : ( in @ ( kpair @ X1138 @ V_42 ) @ X1136 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                            & ( ( dsetconstr @ X1134
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [V_41: $i] : ( in @ ( kpair @ X1138 @ V_41 ) @ X1136 ) )
                                                                                                                                                                                                                                                                                                                                                                                                              = ( setadjoin @ X1140 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                    & ( subset @ X1136 @ ( cartprod @ X1132 @ X1134 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                 => ! [X1142: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ X1142 @ X1132 )
                                                                                                                                                                                                                                                                                                                                                                                                     => ? [X1144: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ X1144
                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ X1134
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [V_44: $i] : ( in @ ( kpair @ X1142 @ V_44 ) @ X1136 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                          & ( ( dsetconstr @ X1134
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [V_43: $i] : ( in @ ( kpair @ X1142 @ V_43 ) @ X1136 ) )
                                                                                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ X1144 @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                             => ( ! [X1146: $i,X1148: $i,X1150: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( ( ! [X1152: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ X1152 @ X1146 )
                                                                                                                                                                                                                                                                                                                                                                                                         => ? [X1154: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ X1154
                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ X1148
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [V_46: $i] : ( in @ ( kpair @ X1152 @ V_46 ) @ X1150 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( dsetconstr @ X1148
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [V_45: $i] : ( in @ ( kpair @ X1152 @ V_45 ) @ X1150 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                = ( setadjoin @ X1154 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                      & ( subset @ X1150 @ ( cartprod @ X1146 @ X1148 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                   => ! [X1156: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ X1156 @ X1146 )
                                                                                                                                                                                                                                                                                                                                                                                                       => ( in
                                                                                                                                                                                                                                                                                                                                                                                                          @ ( setunion
                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ X1148
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [V_47: $i] : ( in @ ( kpair @ X1156 @ V_47 ) @ X1150 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                          @ X1148 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                               => ( ! [X1158: $i,X1160: $i,X1162: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( ! [X1164: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ X1164 @ X1158 )
                                                                                                                                                                                                                                                                                                                                                                                                           => ? [X1166: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ X1166
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ X1160
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [V_49: $i] : ( in @ ( kpair @ X1164 @ V_49 ) @ X1162 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                & ( ( dsetconstr @ X1160
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [V_48: $i] : ( in @ ( kpair @ X1164 @ V_48 ) @ X1162 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                  = ( setadjoin @ X1166 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ X1162 @ ( cartprod @ X1158 @ X1160 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                     => ! [X1168: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ X1168 @ X1158 )
                                                                                                                                                                                                                                                                                                                                                                                                         => ( in
                                                                                                                                                                                                                                                                                                                                                                                                            @ ( setunion
                                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ X1160
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [V_50: $i] : ( in @ ( kpair @ X1168 @ V_50 ) @ X1162 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                            @ X1160 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                 => ! [X1170: $i,X1172: $i,X1174: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ X1174
                                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ ( powerset @ ( cartprod @ X1170 @ X1172 ) )
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [V_51: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ! [X1176: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ X1176 @ X1170 )
                                                                                                                                                                                                                                                                                                                                                                                                                 => ? [X1178: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ X1178
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ X1172
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [V_53: $i] : ( in @ ( kpair @ X1176 @ V_53 ) @ V_51 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                      & ( ( dsetconstr @ X1172
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [V_52: $i] : ( in @ ( kpair @ X1176 @ V_52 ) @ V_51 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                        = ( setadjoin @ X1178 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                              & ( subset @ V_51 @ ( cartprod @ X1170 @ X1172 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                     => ( ! [X1180: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ X1180 @ X1170 )
                                                                                                                                                                                                                                                                                                                                                                                                           => ? [X1182: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ X1182
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ X1172
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [V_55: $i] : ( in @ ( kpair @ X1180 @ V_55 ) @ X1174 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                & ( ( dsetconstr @ X1172
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [V_54: $i] : ( in @ ( kpair @ X1180 @ V_54 ) @ X1174 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                  = ( setadjoin @ X1182 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ X1174 @ ( cartprod @ X1170 @ X1172 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference('cnf.neg',[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl1943,plain,
    ~ ( ( !!
        @ ^ [Y0: $i] :
            ( !!
            @ ^ [Y1: $i] :
                ( ( !!
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y0 )
                    <=> ( in @ Y2 @ Y1 ) ) )
               => ( Y0 = Y1 ) ) ) )
     => ( ( !!
          @ ^ [Y0: $i] : ( (~) @ ( in @ Y0 @ emptyset ) ) )
       => ( ( !!
            @ ^ [Y0: $i] :
                ( !!
                @ ^ [Y1: $i] :
                    ( !!
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ ( setadjoin @ Y0 @ Y1 ) )
                      <=> ( ( in @ Y2 @ Y1 )
                          | ( Y2 = Y0 ) ) ) ) ) )
         => ( ( !!
              @ ^ [Y0: $i] :
                  ( !!
                  @ ^ [Y1: $i] :
                      ( ( in @ Y1 @ ( powerset @ Y0 ) )
                    <=> ( !!
                        @ ^ [Y2: $i] :
                            ( ( in @ Y2 @ Y1 )
                           => ( in @ Y2 @ Y0 ) ) ) ) ) )
           => ( ( !!
                @ ^ [Y0: $i] :
                    ( !!
                    @ ^ [Y1: $i] :
                        ( ( in @ Y1 @ ( setunion @ Y0 ) )
                      <=> ( ??
                          @ ^ [Y2: $i] :
                              ( ( in @ Y1 @ Y2 )
                              & ( in @ Y2 @ Y0 ) ) ) ) ) )
             => ( ( in @ emptyset @ omega )
               => ( ( !!
                    @ ^ [Y0: $i] :
                        ( ( in @ Y0 @ omega )
                       => ( in @ ( setadjoin @ Y0 @ Y0 ) @ omega ) ) )
                 => ( ( !!
                      @ ^ [Y0: $i] :
                          ( ( ( !!
                              @ ^ [Y1: $i] :
                                  ( ( ( in @ Y1 @ Y0 )
                                    & ( in @ Y1 @ omega ) )
                                 => ( in @ ( setadjoin @ Y1 @ Y1 ) @ Y0 ) ) )
                            & ( in @ emptyset @ Y0 ) )
                         => ( !!
                            @ ^ [Y1: $i] :
                                ( ( in @ Y1 @ omega )
                               => ( in @ Y1 @ Y0 ) ) ) ) )
                   => ( ( !!
                        @ ^ [Y0: $i > $i > $o] :
                            ( !!
                            @ ^ [Y1: $i] :
                                ( ( !!
                                  @ ^ [Y2: $i] :
                                      ( ( in @ Y2 @ Y1 )
                                     => ( ??
                                        @ ^ [Y3: $i] :
                                            ( ( Y0 @ Y2 @ Y3 )
                                            & ( !!
                                              @ ^ [Y4: $i] :
                                                  ( ( Y0 @ Y2 @ Y4 )
                                                 => ( Y3 = Y4 ) ) ) ) ) ) )
                               => ( ??
                                  @ ^ [Y2: $i] :
                                      ( !!
                                      @ ^ [Y3: $i] :
                                          ( ( in @ Y3 @ Y2 )
                                        <=> ( ??
                                            @ ^ [Y4: $i] :
                                                ( ( in @ Y4 @ Y1 )
                                                & ( Y0 @ Y4 @ Y3 ) ) ) ) ) ) ) ) )
                     => ( ( !!
                          @ ^ [Y0: $i] :
                              ( ( ??
                                @ ^ [Y1: $i] : ( in @ Y1 @ Y0 ) )
                             => ( ??
                                @ ^ [Y1: $i] :
                                    ( ( in @ Y1 @ Y0 )
                                    & ( (~)
                                      @ ( ??
                                        @ ^ [Y2: $i] :
                                            ( ( in @ Y2 @ Y1 )
                                            & ( in @ Y2 @ Y0 ) ) ) ) ) ) ) )
                       => ( ( !!
                            @ ^ [Y0: $i] :
                                ( ??
                                @ ^ [Y1: $i] :
                                    ( ( !!
                                      @ ^ [Y2: $i] :
                                          ( ( in @ Y2 @ Y1 )
                                         => ( !!
                                            @ ^ [Y3: $i] :
                                                ( ( in @ Y3 @ Y2 )
                                               => ( in @ Y3 @ Y0 ) ) ) ) )
                                    & ( !!
                                      @ ^ [Y2: $i] :
                                          ( !!
                                          @ ^ [Y3: $i] :
                                              ( ( ( in @ Y3 @ Y0 )
                                                & ( in @ Y2 @ Y0 ) )
                                             => ( ( !!
                                                  @ ^ [Y4: $i] :
                                                      ( ( in @ Y4 @ Y1 )
                                                     => ( ( in @ Y2 @ Y4 )
                                                      <=> ( in @ Y3 @ Y4 ) ) ) )
                                               => ( Y2 = Y3 ) ) ) ) )
                                    & ( !!
                                      @ ^ [Y2: $i] :
                                          ( !!
                                          @ ^ [Y3: $i] :
                                              ( ( ( in @ Y3 @ Y1 )
                                                & ( in @ Y2 @ Y1 ) )
                                             => ( ( !!
                                                  @ ^ [Y4: $i] :
                                                      ( ( in @ Y4 @ Y3 )
                                                     => ( in @ Y4 @ Y2 ) ) )
                                                | ( !!
                                                  @ ^ [Y4: $i] :
                                                      ( ( in @ Y4 @ Y2 )
                                                     => ( in @ Y4 @ Y3 ) ) ) ) ) ) )
                                    & ( !!
                                      @ ^ [Y2: $i] :
                                          ( ( ( ??
                                              @ ^ [Y3: $i] : ( in @ Y3 @ Y2 ) )
                                            & ( !!
                                              @ ^ [Y3: $i] :
                                                  ( ( in @ Y3 @ Y2 )
                                                 => ( in @ Y3 @ Y0 ) ) ) )
                                         => ( ??
                                            @ ^ [Y3: $i] :
                                                ( ??
                                                @ ^ [Y4: $i] :
                                                    ( ( in @ Y3 @ Y1 )
                                                    & ( in @ Y4 @ Y2 )
                                                    & ( (~)
                                                      @ ( ??
                                                        @ ^ [Y5: $i] :
                                                            ( ( in @ Y5 @ Y3 )
                                                            & ( in @ Y5 @ Y2 ) ) ) )
                                                    & ( !!
                                                      @ ^ [Y5: $i] :
                                                          ( ( in @ Y5 @ Y1 )
                                                         => ( ( in @ Y4 @ Y5 )
                                                            | ( !!
                                                              @ ^ [Y6: $i] :
                                                                  ( ( in @ Y6 @ Y5 )
                                                                 => ( in @ Y6 @ Y3 ) ) ) ) ) ) ) ) ) ) ) ) ) )
                         => ( ( !!
                              @ ^ [Y0: $i > $o] :
                                  ( ( ??
                                    @ ^ [Y1: $i] :
                                        ( ( Y0 @ Y1 )
                                        & ( !!
                                          @ ^ [Y2: $i] :
                                              ( ( Y0 @ Y2 )
                                             => ( Y1 = Y2 ) ) ) ) )
                                 => ( Y0 @ ( descr @ Y0 ) ) ) )
                           => ( ( !!
                                @ ^ [Y0: $i] :
                                    ( !!
                                    @ ^ [Y1: $i > $o] :
                                        ( !!
                                        @ ^ [Y2: $i] :
                                            ( ( in @ Y2 @ Y0 )
                                           => ( ( Y1 @ Y2 )
                                             => ( in @ Y2 @ ( dsetconstr @ Y0 @ Y1 ) ) ) ) ) ) )
                             => ( ( !!
                                  @ ^ [Y0: $i] :
                                      ( !!
                                      @ ^ [Y1: $i > $o] :
                                          ( !!
                                          @ ^ [Y2: $i] :
                                              ( ( in @ Y2 @ ( dsetconstr @ Y0 @ Y1 ) )
                                             => ( in @ Y2 @ Y0 ) ) ) ) )
                               => ( ( !!
                                    @ ^ [Y0: $i] :
                                        ( !!
                                        @ ^ [Y1: $i > $o] :
                                            ( !!
                                            @ ^ [Y2: $i] :
                                                ( ( in @ Y2 @ ( dsetconstr @ Y0 @ Y1 ) )
                                               => ( Y1 @ Y2 ) ) ) ) )
                                 => ( ( !!
                                      @ ^ [Y0: $i > $o] :
                                          ( ( ??
                                            @ ^ [Y1: $i] :
                                                ( ( Y0 @ Y1 )
                                                & ( !!
                                                  @ ^ [Y2: $i] :
                                                      ( ( Y0 @ Y2 )
                                                     => ( Y1 = Y2 ) ) ) ) )
                                         => ( ??
                                            @ ^ [Y1: $i] :
                                                ( ( Y0 @ Y1 )
                                                & ( !!
                                                  @ ^ [Y2: $i] :
                                                      ( ( Y0 @ Y2 )
                                                     => ( Y1 = Y2 ) ) ) ) ) ) )
                                   => ( ( !!
                                        @ ^ [Y0: $o] :
                                            ( !!
                                            @ ^ [Y1: $i] :
                                                ( ( in @ Y1 @ ( prop2set @ Y0 ) )
                                               => Y0 ) ) )
                                     => ( ( !!
                                          @ ^ [Y0: $i] :
                                              ( ( in @ Y0 @ emptyset )
                                             => ( !!
                                                @ ^ [Y1: $o] : Y1 ) ) )
                                       => ( ( !!
                                            @ ^ [Y0: $i] : ( (~) @ ( in @ Y0 @ emptyset ) ) )
                                         => ( ( !!
                                              @ ^ [Y0: $i] : ( (~) @ ( in @ Y0 @ emptyset ) ) )
                                           => ( ( !!
                                                @ ^ [Y0: $i > $o] :
                                                    ( ( ??
                                                      @ ^ [Y1: $i] :
                                                          ( ( Y0 @ Y1 )
                                                          & ( !!
                                                            @ ^ [Y2: $i] :
                                                                ( ( Y0 @ Y2 )
                                                               => ( Y1 = Y2 ) ) ) ) )
                                                   => ( ??
                                                      @ ^ [Y1: $i] : ( Y0 @ Y1 ) ) ) )
                                             => ( ( !!
                                                  @ ^ [Y0: $i] :
                                                      ( !!
                                                      @ ^ [Y1: $i] :
                                                          ( ( !!
                                                            @ ^ [Y2: $i] :
                                                                ( ( in @ Y2 @ Y0 )
                                                               => ( in @ Y2 @ Y1 ) ) )
                                                         => ( ( !!
                                                              @ ^ [Y2: $i] :
                                                                  ( ( in @ Y2 @ Y1 )
                                                                 => ( in @ Y2 @ Y0 ) ) )
                                                           => ( Y0 = Y1 ) ) ) ) )
                                               => ( ( !!
                                                    @ ^ [Y0: $i] :
                                                        ( ( !!
                                                          @ ^ [Y1: $i] : ( (~) @ ( in @ Y1 @ Y0 ) ) )
                                                       => ( Y0 = emptyset ) ) )
                                                 => ( ( !!
                                                      @ ^ [Y0: $i] :
                                                          ( ( !!
                                                            @ ^ [Y1: $i] : ( (~) @ ( in @ Y1 @ Y0 ) ) )
                                                         => ( Y0 = emptyset ) ) )
                                                   => ( ( !!
                                                        @ ^ [Y0: $i] :
                                                            ( !!
                                                            @ ^ [Y1: $i > $o] :
                                                                ( !!
                                                                @ ^ [Y2: $i] :
                                                                    ( ( in @ Y2 @ Y0 )
                                                                   => ( ( in @ Y2 @ ( dsetconstr @ Y0 @ Y1 ) )
                                                                    <=> ( Y1 @ Y2 ) ) ) ) ) )
                                                     => ( ( !!
                                                          @ ^ [Y0: $i] :
                                                              ( ( Y0 != emptyset )
                                                             => ( ??
                                                                @ ^ [Y1: $i] : ( in @ Y1 @ Y0 ) ) ) )
                                                       => ( ( !!
                                                            @ ^ [Y0: $i] :
                                                                ( !!
                                                                @ ^ [Y1: $i > $o] :
                                                                    ( !!
                                                                    @ ^ [Y2: $i] :
                                                                        ( ( in @ Y2 @ Y0 )
                                                                       => ( ( Y1 @ Y2 )
                                                                         => ( ( dsetconstr @ Y0 @ Y1 )
                                                                           != emptyset ) ) ) ) ) )
                                                         => ( ( !!
                                                              @ ^ [Y0: $i] :
                                                                  ( ( ??
                                                                    @ ^ [Y1: $i] : ( in @ Y1 @ Y0 ) )
                                                                 => ( Y0 != emptyset ) ) )
                                                           => ( ( !!
                                                                @ ^ [Y0: $i] :
                                                                    ( !!
                                                                    @ ^ [Y1: $i] : ( in @ Y0 @ ( setadjoin @ Y0 @ Y1 ) ) ) )
                                                             => ( ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) )
                                                               => ( ( !!
                                                                    @ ^ [Y0: $i] :
                                                                        ( !!
                                                                        @ ^ [Y1: $i] :
                                                                            ( !!
                                                                            @ ^ [Y2: $i] :
                                                                                ( ( in @ Y2 @ Y1 )
                                                                               => ( in @ Y2 @ ( setadjoin @ Y0 @ Y1 ) ) ) ) ) )
                                                                 => ( ( !!
                                                                      @ ^ [Y0: $i] :
                                                                          ( !!
                                                                          @ ^ [Y1: $i] :
                                                                              ( !!
                                                                              @ ^ [Y2: $i] :
                                                                                  ( ( in @ Y2 @ ( setadjoin @ Y0 @ Y1 ) )
                                                                                 => ( !!
                                                                                    @ ^ [Y3: $o] :
                                                                                        ( ( ( Y2 = Y0 )
                                                                                         => Y3 )
                                                                                       => ( ( ( in @ Y2 @ Y1 )
                                                                                           => Y3 )
                                                                                         => Y3 ) ) ) ) ) ) )
                                                                   => ( ( !!
                                                                        @ ^ [Y0: $i] :
                                                                            ( !!
                                                                            @ ^ [Y1: $i] :
                                                                                ( !!
                                                                                @ ^ [Y2: $i] :
                                                                                    ( ( in @ Y2 @ ( setadjoin @ Y0 @ Y1 ) )
                                                                                   => ( ( in @ Y2 @ Y1 )
                                                                                      | ( Y2 = Y0 ) ) ) ) ) )
                                                                     => ( ( !!
                                                                          @ ^ [Y0: $i] :
                                                                              ( ( dsetconstr @ Y0
                                                                                @ ^ [Y1: $i] : $true )
                                                                              = Y0 ) )
                                                                       => ( ( !!
                                                                            @ ^ [Y0: $i] :
                                                                                ( !!
                                                                                @ ^ [Y1: $i] :
                                                                                    ( ( !!
                                                                                      @ ^ [Y2: $i] :
                                                                                          ( ( in @ Y2 @ Y1 )
                                                                                         => ( in @ Y2 @ Y0 ) ) )
                                                                                   => ( in @ Y1 @ ( powerset @ Y0 ) ) ) ) )
                                                                         => ( ( !!
                                                                              @ ^ [Y0: $i] : ( in @ emptyset @ ( powerset @ Y0 ) ) )
                                                                           => ( ( !!
                                                                                @ ^ [Y0: $i] : ( in @ emptyset @ ( powerset @ Y0 ) ) )
                                                                             => ( ( !!
                                                                                  @ ^ [Y0: $i] :
                                                                                      ( !!
                                                                                      @ ^ [Y1: $i] :
                                                                                          ( !!
                                                                                          @ ^ [Y2: $i] :
                                                                                              ( ( in @ Y1 @ ( powerset @ Y0 ) )
                                                                                             => ( ( in @ Y2 @ Y1 )
                                                                                               => ( in @ Y2 @ Y0 ) ) ) ) ) )
                                                                               => ( ( !!
                                                                                    @ ^ [Y0: $i] :
                                                                                        ( !!
                                                                                        @ ^ [Y1: $i] :
                                                                                            ( !!
                                                                                            @ ^ [Y2: $i] :
                                                                                                ( ( in @ Y1 @ Y2 )
                                                                                               => ( ( in @ Y2 @ Y0 )
                                                                                                 => ( in @ Y1 @ ( setunion @ Y0 ) ) ) ) ) ) )
                                                                                 => ( ( !!
                                                                                      @ ^ [Y0: $i] :
                                                                                          ( !!
                                                                                          @ ^ [Y1: $i] :
                                                                                              ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                             => ( !!
                                                                                                @ ^ [Y2: $o] :
                                                                                                    ( ( !!
                                                                                                      @ ^ [Y3: $i] :
                                                                                                          ( ( in @ Y1 @ Y3 )
                                                                                                         => ( ( in @ Y3 @ Y0 )
                                                                                                           => Y2 ) ) )
                                                                                                   => Y2 ) ) ) ) )
                                                                                   => ( ( !!
                                                                                        @ ^ [Y0: $i] :
                                                                                            ( !!
                                                                                            @ ^ [Y1: $i] :
                                                                                                ( ( in @ Y1 @ Y0 )
                                                                                               => ( in @ Y1 @ ( powerset @ ( setunion @ Y0 ) ) ) ) ) )
                                                                                     => ( ( !!
                                                                                          @ ^ [Y0: $i > $o] :
                                                                                              ( ( ??
                                                                                                @ ^ [Y1: $i] :
                                                                                                    ( ( Y0 @ Y1 )
                                                                                                    & ( !!
                                                                                                      @ ^ [Y2: $i] :
                                                                                                          ( ( Y0 @ Y2 )
                                                                                                         => ( Y1 = Y2 ) ) ) ) )
                                                                                             => ( ??
                                                                                                @ ^ [Y1: $i] :
                                                                                                    ( !!
                                                                                                    @ ^ [Y2: $i] :
                                                                                                        ( ( Y0 @ Y2 )
                                                                                                      <=> ( Y2 = Y1 ) ) ) ) ) )
                                                                                       => ( ( !!
                                                                                            @ ^ [Y0: $i] :
                                                                                                ( ( Y0 != emptyset )
                                                                                               => ( ??
                                                                                                  @ ^ [Y1: $i] : ( in @ Y1 @ Y0 ) ) ) )
                                                                                         => ( ( !!
                                                                                              @ ^ [Y0: $i] :
                                                                                                  ( !!
                                                                                                  @ ^ [Y1: $i] :
                                                                                                      ( ( in @ Y0 @ ( setadjoin @ Y1 @ emptyset ) )
                                                                                                     => ( Y0 = Y1 ) ) ) )
                                                                                           => ( ( !!
                                                                                                @ ^ [Y0: $i] :
                                                                                                    ( !!
                                                                                                    @ ^ [Y1: $i] :
                                                                                                        ( ( Y0 != Y1 )
                                                                                                       => ( (~) @ ( in @ Y1 @ ( setadjoin @ Y0 @ emptyset ) ) ) ) ) )
                                                                                             => ( ( !!
                                                                                                  @ ^ [Y0: $i] :
                                                                                                      ( !!
                                                                                                      @ ^ [Y1: $i] :
                                                                                                          ( ( Y0 = Y1 )
                                                                                                         => ( in @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) ) ) )
                                                                                               => ( ( !!
                                                                                                    @ ^ [Y0: $i] :
                                                                                                        ( !!
                                                                                                        @ ^ [Y1: $i] :
                                                                                                            ( ( in @ Y0 @ ( setadjoin @ Y1 @ emptyset ) )
                                                                                                           => ( in @ Y1 @ ( setadjoin @ Y0 @ emptyset ) ) ) ) )
                                                                                                 => ( ( !!
                                                                                                      @ ^ [Y0: $i] :
                                                                                                          ( !!
                                                                                                          @ ^ [Y1: $i] :
                                                                                                              ( !!
                                                                                                              @ ^ [Y2: $i] :
                                                                                                                  ( ( in @ Y2 @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) )
                                                                                                                 => ( ( Y2 = Y1 )
                                                                                                                    | ( Y2 = Y0 ) ) ) ) ) )
                                                                                                   => ( ( !!
                                                                                                        @ ^ [Y0: $i] :
                                                                                                            ( !!
                                                                                                            @ ^ [Y1: $i] : ( in @ Y0 @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) ) ) )
                                                                                                     => ( ( !!
                                                                                                          @ ^ [Y0: $i] :
                                                                                                              ( !!
                                                                                                              @ ^ [Y1: $i] : ( in @ Y1 @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) ) ) )
                                                                                                       => ( ( !!
                                                                                                            @ ^ [Y0: $i] :
                                                                                                                ( !!
                                                                                                                @ ^ [Y1: $i > $o] :
                                                                                                                    ( ( ??
                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                          ( ( in @ Y2 @ Y0 )
                                                                                                                          & ( Y1 @ Y2 ) ) )
                                                                                                                   => ( ( dsetconstr @ Y0 @ Y1 )
                                                                                                                     != emptyset ) ) ) )
                                                                                                         => ( ( !!
                                                                                                              @ ^ [Y0: $i > $o] :
                                                                                                                  ( !!
                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                      ( ( in @ Y1 @ emptyset )
                                                                                                                     => ( Y0 @ Y1 ) ) ) )
                                                                                                           => ( ( !!
                                                                                                                @ ^ [Y0: $i] :
                                                                                                                    ( !!
                                                                                                                    @ ^ [Y1: $i > $o] :
                                                                                                                        ( ( (~)
                                                                                                                          @ ( !!
                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                ( ( in @ Y2 @ Y0 )
                                                                                                                               => ( Y1 @ Y2 ) ) ) )
                                                                                                                       => ( ??
                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                              ( ( in @ Y2 @ Y0 )
                                                                                                                              & ( (~) @ ( Y1 @ Y2 ) ) ) ) ) ) )
                                                                                                             => ( ( !!
                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                      ( !!
                                                                                                                      @ ^ [Y1: $i > $o] :
                                                                                                                          ( ( !!
                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                ( ( in @ Y2 @ Y0 )
                                                                                                                               => ( (~) @ ( Y1 @ Y2 ) ) ) )
                                                                                                                         => ( (~)
                                                                                                                            @ ( ??
                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                  ( ( in @ Y2 @ Y0 )
                                                                                                                                  & ( Y1 @ Y2 ) ) ) ) ) ) )
                                                                                                               => ( ( !!
                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                        ( !!
                                                                                                                        @ ^ [Y1: $i > $o] :
                                                                                                                            ( ( (~)
                                                                                                                              @ ( ??
                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                    ( ( in @ Y2 @ Y0 )
                                                                                                                                    & ( Y1 @ Y2 ) ) ) )
                                                                                                                           => ( !!
                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                  ( ( in @ Y2 @ Y0 )
                                                                                                                                 => ( (~) @ ( Y1 @ Y2 ) ) ) ) ) ) )
                                                                                                                 => ( ( !!
                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                          ( !!
                                                                                                                          @ ^ [Y1: $i > $o] :
                                                                                                                              ( ( ??
                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                    ( ( in @ Y2 @ Y0 )
                                                                                                                                    & ( (~) @ ( Y1 @ Y2 ) ) ) )
                                                                                                                             => ( (~)
                                                                                                                                @ ( !!
                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                      ( ( in @ Y2 @ Y0 )
                                                                                                                                     => ( Y1 @ Y2 ) ) ) ) ) ) )
                                                                                                                   => ( ( !!
                                                                                                                        @ ^ [Y0: $o] :
                                                                                                                            ( Y0
                                                                                                                           => ( in @ emptyset @ ( prop2set @ Y0 ) ) ) )
                                                                                                                     => ( ( !!
                                                                                                                          @ ^ [Y0: $o] :
                                                                                                                              ( Y0
                                                                                                                             => ( set2prop @ ( prop2set @ Y0 ) ) ) )
                                                                                                                       => ( ( !!
                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                ( !!
                                                                                                                                @ ^ [Y1: $i > $o] :
                                                                                                                                    ( ( (~)
                                                                                                                                      @ ( ??
                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                            ( ( in @ Y2 @ Y0 )
                                                                                                                                            & ( Y1 @ Y2 ) ) ) )
                                                                                                                                   => ( !!
                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                          ( ( in @ Y2 @ Y0 )
                                                                                                                                         => ( (~) @ ( Y1 @ Y2 ) ) ) ) ) ) )
                                                                                                                         => ( ( !!
                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                  ( !!
                                                                                                                                  @ ^ [Y1: $i > $o] :
                                                                                                                                      ( ( (~)
                                                                                                                                        @ ( !!
                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                              ( ( in @ Y2 @ Y0 )
                                                                                                                                             => ( Y1 @ Y2 ) ) ) )
                                                                                                                                     => ( ??
                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                            ( ( in @ Y2 @ Y0 )
                                                                                                                                            & ( (~) @ ( Y1 @ Y2 ) ) ) ) ) ) )
                                                                                                                           => ( ( !!
                                                                                                                                @ ^ [Y0: $i > $o] :
                                                                                                                                    ( ( ??
                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                          ( ( Y0 @ Y1 )
                                                                                                                                          & ( !!
                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                ( ( Y0 @ Y2 )
                                                                                                                                               => ( Y1 = Y2 ) ) ) ) )
                                                                                                                                   => ( ??
                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                          ( ( Y0 @ Y1 )
                                                                                                                                          & ( !!
                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                ( ( Y0 @ Y2 )
                                                                                                                                               => ( Y1 = Y2 ) ) ) ) ) ) )
                                                                                                                             => ( ( !!
                                                                                                                                  @ ^ [Y0: $i > $o] :
                                                                                                                                      ( ( ??
                                                                                                                                        @ ^ [Y1: $i] : ( Y0 @ Y1 ) )
                                                                                                                                     => ( ( !!
                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                              ( !!
                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                  ( ( Y0 @ Y1 )
                                                                                                                                                 => ( ( Y0 @ Y2 )
                                                                                                                                                   => ( Y1 = Y2 ) ) ) ) )
                                                                                                                                       => ( ??
                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                              ( ( Y0 @ Y1 )
                                                                                                                                              & ( !!
                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                    ( ( Y0 @ Y2 )
                                                                                                                                                   => ( Y1 = Y2 ) ) ) ) ) ) ) )
                                                                                                                               => ( ( !!
                                                                                                                                    @ ^ [Y0: $i > $o] :
                                                                                                                                        ( ( ??
                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                              ( !!
                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                  ( ( Y0 @ Y2 )
                                                                                                                                                <=> ( Y2 = Y1 ) ) ) )
                                                                                                                                       => ( ??
                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                              ( ( Y0 @ Y1 )
                                                                                                                                              & ( !!
                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                    ( ( Y0 @ Y2 )
                                                                                                                                                   => ( Y1 = Y2 ) ) ) ) ) ) )
                                                                                                                                 => ( ( !!
                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                          ( !!
                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                              ( ( Y0 = Y1 )
                                                                                                                                             => ( !!
                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                    ( !!
                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                        ( ( Y2 = Y3 )
                                                                                                                                                       => ( ( in @ Y2 @ Y0 )
                                                                                                                                                         => ( in @ Y3 @ Y1 ) ) ) ) ) ) ) )
                                                                                                                                   => ( ( !!
                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                            ( !!
                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                ( ( Y0 = Y1 )
                                                                                                                                               => ( !!
                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                      ( !!
                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                          ( ( Y2 = Y3 )
                                                                                                                                                         => ( ( in @ Y2 @ Y0 )
                                                                                                                                                          <=> ( in @ Y3 @ Y1 ) ) ) ) ) ) ) )
                                                                                                                                     => ( ( !!
                                                                                                                                          @ ^ [Y0: $i > $o] :
                                                                                                                                              ( ( ??
                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                    ( ( Y0 @ Y1 )
                                                                                                                                                    & ( !!
                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                          ( ( Y0 @ Y2 )
                                                                                                                                                         => ( Y1 = Y2 ) ) ) ) )
                                                                                                                                             => ( !!
                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                    ( !!
                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                        ( ( Y0 @ Y1 )
                                                                                                                                                       => ( ( Y0 @ Y2 )
                                                                                                                                                         => ( Y1 = Y2 ) ) ) ) ) ) )
                                                                                                                                       => ( ( !!
                                                                                                                                            @ ^ [Y0: $i > $o] :
                                                                                                                                                ( !!
                                                                                                                                                @ ^ [Y1: $i > $o] :
                                                                                                                                                    ( ( !!
                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                          ( !!
                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                              ( ( Y2 = Y3 )
                                                                                                                                                             => ( ( Y0 @ Y2 )
                                                                                                                                                              <=> ( Y1 @ Y3 ) ) ) ) )
                                                                                                                                                   => ( ( ??
                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                            ( ( Y0 @ Y2 )
                                                                                                                                                            & ( !!
                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                  ( ( Y0 @ Y3 )
                                                                                                                                                                 => ( Y2 = Y3 ) ) ) ) )
                                                                                                                                                    <=> ( ??
                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                            ( ( Y1 @ Y2 )
                                                                                                                                                            & ( !!
                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                  ( ( Y1 @ Y3 )
                                                                                                                                                                 => ( Y2 = Y3 ) ) ) ) ) ) ) ) )
                                                                                                                                         => ( ( emptyset = emptyset )
                                                                                                                                           => ( ( !!
                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                    ( !!
                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                        ( ( Y0 = Y1 )
                                                                                                                                                       => ( !!
                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                              ( !!
                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                  ( ( Y2 = Y3 )
                                                                                                                                                                 => ( ( setadjoin @ Y0 @ Y2 )
                                                                                                                                                                    = ( setadjoin @ Y1 @ Y3 ) ) ) ) ) ) ) )
                                                                                                                                             => ( ( !!
                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                      ( !!
                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                          ( ( Y0 = Y1 )
                                                                                                                                                         => ( ( powerset @ Y0 )
                                                                                                                                                            = ( powerset @ Y1 ) ) ) ) )
                                                                                                                                               => ( ( !!
                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                        ( !!
                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                            ( ( Y0 = Y1 )
                                                                                                                                                           => ( ( setunion @ Y0 )
                                                                                                                                                              = ( setunion @ Y1 ) ) ) ) )
                                                                                                                                                 => ( ( omega = omega )
                                                                                                                                                   => ( ( !!
                                                                                                                                                        @ ^ [Y0: $i > $o] :
                                                                                                                                                            ( ( ??
                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                  ( ( Y0 @ Y1 )
                                                                                                                                                                  & ( !!
                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                        ( ( Y0 @ Y2 )
                                                                                                                                                                       => ( Y1 = Y2 ) ) ) ) )
                                                                                                                                                           => ( !!
                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                  ( !!
                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                      ( ( Y0 @ Y1 )
                                                                                                                                                                     => ( ( Y0 @ Y2 )
                                                                                                                                                                       => ( Y1 = Y2 ) ) ) ) ) ) )
                                                                                                                                                     => ( ( !!
                                                                                                                                                          @ ^ [Y0: $i > $o] :
                                                                                                                                                              ( !!
                                                                                                                                                              @ ^ [Y1: $i > $o] :
                                                                                                                                                                  ( ( !!
                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                        ( !!
                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                            ( ( Y2 = Y3 )
                                                                                                                                                                           => ( ( Y0 @ Y2 )
                                                                                                                                                                            <=> ( Y1 @ Y3 ) ) ) ) )
                                                                                                                                                                 => ( ( ??
                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                          ( ( Y0 @ Y2 )
                                                                                                                                                                          & ( !!
                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                ( ( Y0 @ Y3 )
                                                                                                                                                                               => ( Y2 = Y3 ) ) ) ) )
                                                                                                                                                                   => ( ( ??
                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                            ( ( Y1 @ Y2 )
                                                                                                                                                                            & ( !!
                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                  ( ( Y1 @ Y3 )
                                                                                                                                                                                 => ( Y2 = Y3 ) ) ) ) )
                                                                                                                                                                     => ( ( descr @ Y0 )
                                                                                                                                                                        = ( descr @ Y1 ) ) ) ) ) ) )
                                                                                                                                                       => ( ( !!
                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                ( !!
                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                    ( ( Y0 = Y1 )
                                                                                                                                                                   => ( !!
                                                                                                                                                                      @ ^ [Y2: $i > $o] :
                                                                                                                                                                          ( !!
                                                                                                                                                                          @ ^ [Y3: $i > $o] :
                                                                                                                                                                              ( ( !!
                                                                                                                                                                                @ ^ [Y4: $i] :
                                                                                                                                                                                    ( ( in @ Y4 @ Y0 )
                                                                                                                                                                                   => ( !!
                                                                                                                                                                                      @ ^ [Y5: $i] :
                                                                                                                                                                                          ( ( in @ Y5 @ Y1 )
                                                                                                                                                                                         => ( ( Y4 = Y5 )
                                                                                                                                                                                           => ( ( Y2 @ Y4 )
                                                                                                                                                                                            <=> ( Y3 @ Y5 ) ) ) ) ) ) )
                                                                                                                                                                             => ( ( dsetconstr @ Y0 @ Y2 )
                                                                                                                                                                                = ( dsetconstr @ Y1 @ Y3 ) ) ) ) ) ) ) )
                                                                                                                                                         => ( ( !!
                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                  ( !!
                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                      ( ( !!
                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                            ( ( in @ Y2 @ Y0 )
                                                                                                                                                                           => ( in @ Y2 @ Y1 ) ) )
                                                                                                                                                                     => ( subset @ Y0 @ Y1 ) ) ) )
                                                                                                                                                           => ( ( !!
                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                    ( !!
                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                        ( ( Y0 = Y1 )
                                                                                                                                                                       => ( subset @ Y1 @ Y0 ) ) ) )
                                                                                                                                                             => ( ( !!
                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                      ( !!
                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                          ( ( Y0 = Y1 )
                                                                                                                                                                         => ( subset @ Y0 @ Y1 ) ) ) )
                                                                                                                                                               => ( ( !!
                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                        ( !!
                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                            ( ( !!
                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                  ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                 => ( in @ Y2 @ Y1 ) ) )
                                                                                                                                                                           => ( subset @ Y0 @ Y1 ) ) ) )
                                                                                                                                                                 => ( ( !!
                                                                                                                                                                      @ ^ [Y0: $i] : ( subset @ emptyset @ Y0 ) )
                                                                                                                                                                   => ( ( !!
                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                            ( !!
                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                ( !!
                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                    ( ( subset @ Y0 @ Y1 )
                                                                                                                                                                                   => ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                     => ( in @ Y2 @ Y1 ) ) ) ) ) )
                                                                                                                                                                     => ( ( !!
                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                              ( !!
                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                  ( !!
                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                      ( ( subset @ Y0 @ Y1 )
                                                                                                                                                                                     => ( ( (~) @ ( in @ Y2 @ Y1 ) )
                                                                                                                                                                                       => ( (~) @ ( in @ Y2 @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                       => ( ( !!
                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                ( !!
                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                    ( !!
                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                        ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                       => ( ( (~) @ ( in @ Y2 @ Y1 ) )
                                                                                                                                                                                         => ( (~) @ ( subset @ Y0 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                         => ( ( !!
                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                  ( !!
                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                      ( ( (~) @ ( subset @ Y0 @ Y1 ) )
                                                                                                                                                                                     => ( Y0 != Y1 ) ) ) )
                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                    ( !!
                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                        ( !!
                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                            ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                           => ( ( (~) @ ( in @ Y2 @ Y1 ) )
                                                                                                                                                                                             => ( Y0 != Y1 ) ) ) ) ) )
                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                  @ ^ [Y0: $i] : ( subset @ Y0 @ Y0 ) )
                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                        ( !!
                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                            ( !!
                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                ( ( subset @ Y0 @ Y1 )
                                                                                                                                                                                               => ( ( subset @ Y1 @ Y2 )
                                                                                                                                                                                                 => ( subset @ Y0 @ Y2 ) ) ) ) ) )
                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                          ( !!
                                                                                                                                                                                          @ ^ [Y1: $i] : ( subset @ Y1 @ ( setadjoin @ Y0 @ Y1 ) ) ) )
                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                            ( !!
                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                ( !!
                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                    ( ( subset @ Y0 @ Y2 )
                                                                                                                                                                                                   => ( subset @ Y0 @ ( setadjoin @ Y1 @ Y2 ) ) ) ) ) )
                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                              ( !!
                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                  ( ( subset @ Y0 @ Y1 )
                                                                                                                                                                                                 => ( in @ Y0 @ ( powerset @ Y1 ) ) ) ) )
                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                ( !!
                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                    ( ( subset @ Y0 @ Y1 )
                                                                                                                                                                                                   => ( ( subset @ Y1 @ Y0 )
                                                                                                                                                                                                     => ( Y0 = Y1 ) ) ) ) )
                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                  ( ( subset @ Y0 @ emptyset )
                                                                                                                                                                                                 => ( Y0 = emptyset ) ) )
                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                        ( ( subset @ Y1 @ Y0 )
                                                                                                                                                                                                       => ( in @ Y1 @ ( powerset @ Y0 ) ) ) ) )
                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                          ( ( in @ Y1 @ ( powerset @ Y0 ) )
                                                                                                                                                                                                         => ( subset @ Y1 @ Y0 ) ) ) )
                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                    @ ^ [Y0: $i] : ( in @ Y0 @ ( powerset @ Y0 ) ) )
                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                              ( ( subset @ Y0 @ Y1 )
                                                                                                                                                                                                             => ( subset @ ( powerset @ Y0 ) @ ( powerset @ Y1 ) ) ) ) )
                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                            @ ^ [Y1: $i > $o] : ( in @ ( dsetconstr @ Y0 @ Y1 ) @ ( powerset @ Y0 ) ) ) )
                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                              @ ^ [Y1: $i > $o] : ( subset @ ( dsetconstr @ Y0 @ Y1 ) @ Y0 ) ) )
                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                        ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                       => ( in @ Y2 @ ( binunion @ Y0 @ Y1 ) ) ) ) ) )
                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                  @ ^ [Y1: $i] : ( in @ Y1 @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) ) ) )
                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                            ( ( in @ Y2 @ Y1 )
                                                                                                                                                                                                                           => ( in @ Y2 @ ( binunion @ Y0 @ Y1 ) ) ) ) ) )
                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                              @ ^ [Y3: $o] :
                                                                                                                                                                                                                                  ( ( in @ Y2 @ ( binunion @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                 => ( ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                     => Y3 )
                                                                                                                                                                                                                                   => ( ( ( in @ Y2 @ Y1 )
                                                                                                                                                                                                                                       => Y3 )
                                                                                                                                                                                                                                     => Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                ( ( in @ Y2 @ ( binunion @ Y0 @ Y1 ) )
                                                                                                                                                                                                                               => ( ( in @ Y2 @ Y1 )
                                                                                                                                                                                                                                  | ( in @ Y2 @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                          @ ^ [Y1: $i] : ( subset @ Y0 @ ( binunion @ Y0 @ Y1 ) ) ) )
                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                            @ ^ [Y1: $i] : ( subset @ Y1 @ ( binunion @ Y0 @ Y1 ) ) ) )
                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                      ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                     => ( ( in @ Y2 @ Y1 )
                                                                                                                                                                                                                                       => ( in @ Y2 @ ( binintersect @ Y0 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                        ( ( subset @ Y2 @ Y0 )
                                                                                                                                                                                                                                       => ( ( subset @ Y2 @ Y1 )
                                                                                                                                                                                                                                         => ( subset @ Y2 @ ( binintersect @ Y0 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                          ( ( in @ Y2 @ ( binintersect @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                         => ( in @ Y2 @ Y0 ) ) ) ) )
                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                    @ ^ [Y1: $i] : ( subset @ ( binintersect @ Y0 @ Y1 ) @ Y0 ) ) )
                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                          ( ( subset @ Y0 @ Y1 )
                                                                                                                                                                                                                                         => ( ( binintersect @ Y0 @ Y1 )
                                                                                                                                                                                                                                            = Y0 ) ) ) )
                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                            ( ( ( binintersect @ Y0 @ Y1 )
                                                                                                                                                                                                                                              = Y1 )
                                                                                                                                                                                                                                           => ( subset @ Y1 @ Y0 ) ) ) )
                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                  ( ( in @ Y2 @ ( binintersect @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                 => ( in @ Y2 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                ( ( (~)
                                                                                                                                                                                                                                                  @ ( ??
                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                        ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                        & ( in @ Y2 @ Y1 ) ) ) )
                                                                                                                                                                                                                                               => ( ( binintersect @ Y0 @ Y1 )
                                                                                                                                                                                                                                                  = emptyset ) ) ) )
                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                              @ ^ [Y1: $i] : ( subset @ ( binintersect @ Y0 @ Y1 ) @ Y1 ) ) )
                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                    ( ( subset @ Y1 @ Y0 )
                                                                                                                                                                                                                                                   => ( ( binintersect @ Y0 @ Y1 )
                                                                                                                                                                                                                                                      = Y1 ) ) ) )
                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                      ( ( ( binintersect @ Y0 @ Y1 )
                                                                                                                                                                                                                                                        = Y0 )
                                                                                                                                                                                                                                                     => ( subset @ Y0 @ Y1 ) ) ) )
                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                            ( ( binintersect @ Y0 @ ( binunion @ Y1 @ Y2 ) )
                                                                                                                                                                                                                                                            = ( binunion @ ( binintersect @ Y0 @ Y1 ) @ ( binintersect @ Y0 @ Y2 ) ) ) ) ) )
                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                              ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                             => ( ( (~) @ ( in @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                               => ( in @ Y2 @ ( setminus @ Y0 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                ( ( in @ Y2 @ ( setminus @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                               => ( in @ Y2 @ Y0 ) ) ) ) )
                                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                  ( ( in @ Y2 @ ( setminus @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                 => ( (~) @ ( in @ Y2 @ Y1 ) ) ) ) ) )
                                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                ( ( subset @ Y0 @ Y1 )
                                                                                                                                                                                                                                                               => ( ( setminus @ Y0 @ Y1 )
                                                                                                                                                                                                                                                                  = emptyset ) ) ) )
                                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                      ( ( (~) @ ( in @ Y2 @ ( setminus @ Y0 @ Y1 ) ) )
                                                                                                                                                                                                                                                                     => ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                       => ( in @ Y2 @ Y1 ) ) ) ) ) )
                                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                        ( ( (~) @ ( in @ Y2 @ ( setminus @ Y0 @ Y1 ) ) )
                                                                                                                                                                                                                                                                       => ( ( (~) @ ( in @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                         => ( (~) @ ( in @ Y2 @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                          ( ( (~) @ ( in @ Y2 @ Y0 ) )
                                                                                                                                                                                                                                                                         => ( (~) @ ( in @ Y2 @ ( setminus @ Y0 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                            ( ( in @ Y2 @ Y1 )
                                                                                                                                                                                                                                                                           => ( (~) @ ( in @ Y2 @ ( setminus @ Y0 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] : ( subset @ ( setminus @ Y0 @ Y1 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                            ( ( ( setminus @ Y0 @ Y1 )
                                                                                                                                                                                                                                                                              = emptyset )
                                                                                                                                                                                                                                                                           => ( subset @ Y0 @ Y1 ) ) ) )
                                                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                  ( ( in @ Y2 @ ( symdiff @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                 => ( !!
                                                                                                                                                                                                                                                                                    @ ^ [Y3: $o] :
                                                                                                                                                                                                                                                                                        ( ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                         => ( ( (~) @ ( in @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                           => Y3 ) )
                                                                                                                                                                                                                                                                                       => ( ( ( (~) @ ( in @ Y2 @ Y0 ) )
                                                                                                                                                                                                                                                                                           => ( ( in @ Y2 @ Y1 )
                                                                                                                                                                                                                                                                                             => Y3 ) )
                                                                                                                                                                                                                                                                                         => Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                    ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                   => ( ( (~) @ ( in @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                     => ( in @ Y2 @ ( symdiff @ Y0 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                      ( ( (~) @ ( in @ Y2 @ Y0 ) )
                                                                                                                                                                                                                                                                                     => ( ( in @ Y2 @ Y1 )
                                                                                                                                                                                                                                                                                       => ( in @ Y2 @ ( symdiff @ Y0 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                        ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                       => ( ( in @ Y2 @ Y1 )
                                                                                                                                                                                                                                                                                         => ( (~) @ ( in @ Y2 @ ( symdiff @ Y0 @ Y1 ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                          ( ( (~) @ ( in @ Y2 @ Y0 ) )
                                                                                                                                                                                                                                                                                         => ( ( (~) @ ( in @ Y2 @ Y1 ) )
                                                                                                                                                                                                                                                                                           => ( (~) @ ( in @ Y2 @ ( symdiff @ Y0 @ Y1 ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] : ( in @ Y1 @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] : ( in @ Y0 @ ( setunion @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] : ( in @ Y1 @ ( setunion @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] : ( iskpair @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] : ( iskpair @ ( kpair @ Y0 @ Y1 ) ) ) )
                                                                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                  ( ( in @ Y1 @ Y0 )
                                                                                                                                                                                                                                                                                                 => ( subset @ ( setadjoin @ Y1 @ emptyset ) @ Y0 ) ) ) )
                                                                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                    ( ( in @ Y1 @ Y0 )
                                                                                                                                                                                                                                                                                                   => ( in @ ( setadjoin @ Y1 @ emptyset ) @ ( powerset @ Y0 ) ) ) ) )
                                                                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                          ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                         => ( in @ ( setadjoin @ Y2 @ emptyset ) @ ( powerset @ ( binunion @ Y0 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                            ( ( in @ Y2 @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                           => ( ( Y2 = Y1 )
                                                                                                                                                                                                                                                                                                              | ( Y2 = Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                              ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                             => ( !!
                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y1 )
                                                                                                                                                                                                                                                                                                                   => ( subset @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ ( binunion @ Y0 @ Y1 ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                               => ( !!
                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y1 )
                                                                                                                                                                                                                                                                                                                     => ( in @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ ( powerset @ ( binunion @ Y0 @ Y1 ) ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                  ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                 => ( !!
                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y1 )
                                                                                                                                                                                                                                                                                                                       => ( subset @ ( setadjoin @ ( setadjoin @ Y2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( binunion @ Y0 @ Y1 ) ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                    ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                   => ( !!
                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( in @ Y3 @ Y1 )
                                                                                                                                                                                                                                                                                                                         => ( in @ ( setadjoin @ ( setadjoin @ Y2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ emptyset ) ) @ ( powerset @ ( powerset @ ( binunion @ Y0 @ Y1 ) ) ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                      ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                     => ( !!
                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y1 )
                                                                                                                                                                                                                                                                                                                           => ( in @ ( kpair @ Y2 @ Y3 ) @ ( powerset @ ( powerset @ ( binunion @ Y0 @ Y1 ) ) ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                        ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                       => ( !!
                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y1 )
                                                                                                                                                                                                                                                                                                                             => ( in @ ( kpair @ Y2 @ Y3 ) @ ( cartprod @ Y0 @ Y1 ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( in @ Y2 @ ( cartprod @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                         => ( ??
                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                & ( ??
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y4 @ Y1 )
                                                                                                                                                                                                                                                                                                                                      & ( Y2
                                                                                                                                                                                                                                                                                                                                        = ( kpair @ Y3 @ Y4 ) ) ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( in @ Y2 @ ( cartprod @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                           => ( iskpair @ Y2 ) ) ) ) )
                                                                                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                          ( ( in @ Y1 @ ( setunion @ Y0 ) )
                                                                                                                                                                                                                                                                                                                         => ( ??
                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                & ( in @ Y1 @ Y2 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] : ( subset @ ( setunion @ ( setadjoin @ Y0 @ emptyset ) ) @ Y0 ) )
                                                                                                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] : ( subset @ Y0 @ ( setunion @ ( setadjoin @ Y0 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                            ( ( setunion @ ( setadjoin @ Y0 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                            = Y0 ) )
                                                                                                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i > $o] :
                                                                                                                                                                                                                                                                                                                                  ( ( !!
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                       => ( !!
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                             => ( ( Y1 @ Y2 )
                                                                                                                                                                                                                                                                                                                                               => ( ( Y1 @ Y3 )
                                                                                                                                                                                                                                                                                                                                                 => ( Y2 = Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                 => ( ( ??
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                          & ( Y1 @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                   => ( ??
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y2 @ ( dsetconstr @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                          & ( ( dsetconstr @ Y0 @ Y1 )
                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ Y2 @ emptyset ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i > $o] :
                                                                                                                                                                                                                                                                                                                                    ( ( ??
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y2 @ ( dsetconstr @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                          & ( ( dsetconstr @ Y0 @ Y1 )
                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ Y2 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                   => ( ??
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                          & ( Y1 @ Y2 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i > $o] :
                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                         => ( ( Y1 @ Y2 )
                                                                                                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                   => ( ( Y1 @ Y3 )
                                                                                                                                                                                                                                                                                                                                                     => ( Y3 = Y2 ) ) ) )
                                                                                                                                                                                                                                                                                                                                             => ( ??
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ ( dsetconstr @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                    & ( ( dsetconstr @ Y0 @ Y1 )
                                                                                                                                                                                                                                                                                                                                                      = ( setadjoin @ Y3 @ emptyset ) ) ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i > $o] :
                                                                                                                                                                                                                                                                                                                                        ( ( !!
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                             => ( !!
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                   => ( ( Y1 @ Y2 )
                                                                                                                                                                                                                                                                                                                                                     => ( ( Y1 @ Y3 )
                                                                                                                                                                                                                                                                                                                                                       => ( Y2 = Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                       => ( ( ??
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                & ( Y1 @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                         => ( ??
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y2 @ ( dsetconstr @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                & ( ( dsetconstr @ Y0 @ Y1 )
                                                                                                                                                                                                                                                                                                                                                  = ( setadjoin @ Y2 @ emptyset ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ Y0 @ emptyset )
                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ Y1 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                         => ( Y0 = Y1 ) ) ) )
                                                                                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ ( setadjoin @ Y2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                               => ( Y0 = Y2 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                          ( ( iskpair @ Y0 )
                                                                                                                                                                                                                                                                                                                                         => ( ??
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y1
                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( setunion @ Y0 )
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] : ( in @ ( setadjoin @ Y2 @ emptyset ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                & ( ( dsetconstr @ ( setunion @ Y0 )
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] : ( in @ ( setadjoin @ Y2 @ emptyset ) @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                  = ( setadjoin @ Y1 @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                            ( ( ??
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y1 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                  & ( Y0
                                                                                                                                                                                                                                                                                                                                                    = ( setadjoin @ Y1 @ emptyset ) ) ) )
                                                                                                                                                                                                                                                                                                                                           => ( in @ ( setunion @ Y0 ) @ Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( ( kfst @ ( kpair @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                  = Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y2 @ ( cartprod @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                       => ( in @ ( kfst @ Y2 ) @ Y0 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( ( ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                = ( setadjoin @ ( setadjoin @ Y2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                                             => ( Y0 = Y2 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( ( ( kpair @ Y0 @ Y1 )
                                                                                                                                                                                                                                                                                                                                                                  = ( kpair @ Y2 @ Y3 ) )
                                                                                                                                                                                                                                                                                                                                                               => ( Y0 = Y2 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( ( Y0 = Y1 )
                                                                                                                                                                                                                                                                                                                                                         => ( ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ Y0 @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( ( Y0 = Y1 )
                                                                                                                                                                                                                                                                                                                                                           => ( ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                              = ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ emptyset ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                        = ( setadjoin @ ( setadjoin @ Y2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( ( Y2 = Y3 )
                                                                                                                                                                                                                                                                                                                                                                       => ( Y1 = Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( ( ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                      = ( setadjoin @ Y2 @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                   => ( Y0 = Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( ( ( setadjoin @ ( setadjoin @ Y0 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y0 @ ( setadjoin @ Y1 @ emptyset ) ) @ emptyset ) )
                                                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ ( setadjoin @ Y2 @ emptyset ) @ ( setadjoin @ ( setadjoin @ Y2 @ ( setadjoin @ Y3 @ emptyset ) ) @ emptyset ) ) )
                                                                                                                                                                                                                                                                                                                                                                         => ( Y1 = Y3 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( ( ( kpair @ Y0 @ Y1 )
                                                                                                                                                                                                                                                                                                                                                                              = ( kpair @ Y2 @ Y3 ) )
                                                                                                                                                                                                                                                                                                                                                                           => ( Y1 = Y3 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                  ( ( iskpair @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                 => ( ??
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y1
                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ ( setunion @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( Y0
                                                                                                                                                                                                                                                                                                                                                                                = ( kpair @ ( kfst @ Y0 ) @ Y2 ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                        & ( ( dsetconstr @ ( setunion @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( Y0
                                                                                                                                                                                                                                                                                                                                                                                = ( kpair @ ( kfst @ Y0 ) @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                                                          = ( setadjoin @ Y1 @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( ( ksnd @ ( kpair @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                        = Y1 ) ) )
                                                                                                                                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                      ( ( iskpair @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                     => ( ( kpair @ ( kfst @ Y0 ) @ ( ksnd @ Y0 ) )
                                                                                                                                                                                                                                                                                                                                                                        = Y0 ) ) )
                                                                                                                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y2 @ ( cartprod @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                               => ( in @ ( ksnd @ Y2 ) @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ ( kpair @ Y2 @ Y3 ) @ ( cartprod @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                     => ( in @ Y2 @ Y0 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ ( kpair @ Y2 @ Y3 ) @ ( cartprod @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                       => ( in @ Y3 @ Y1 ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                     => ( !!
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y3 @ Y1 )
                                                                                                                                                                                                                                                                                                                                                                                           => ( ( kpair @ Y2 @ Y3 )
                                                                                                                                                                                                                                                                                                                                                                                              = ( kpair @ Y2 @ Y3 ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                       => ( !!
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y3 @ Y1 )
                                                                                                                                                                                                                                                                                                                                                                                             => ( ( kfst @ ( kpair @ Y2 @ Y3 ) )
                                                                                                                                                                                                                                                                                                                                                                                                = Y2 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y2 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                         => ( !!
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y3 @ Y1 )
                                                                                                                                                                                                                                                                                                                                                                                               => ( ( ksnd @ ( kpair @ Y2 @ Y3 ) )
                                                                                                                                                                                                                                                                                                                                                                                                  = Y3 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y2 @ ( cartprod @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                           => ( ( kpair @ ( kfst @ Y2 ) @ ( ksnd @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                              = Y2 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i > $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                 => ( !!
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4 @ Y1 )
                                                                                                                                                                                                                                                                                                                                                                                                       => ( ( Y2 @ Y3 @ Y4 )
                                                                                                                                                                                                                                                                                                                                                                                                         => ( in @ ( kpair @ Y3 @ Y4 ) @ ( dpsetconstr @ Y0 @ Y1 @ Y2 ) ) ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i > $i > $o] : ( subset @ ( dpsetconstr @ Y0 @ Y1 @ Y2 ) @ ( cartprod @ Y0 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                 => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y2: $i > $i > $o] : ( subset @ ( dpsetconstr @ Y0 @ Y1 @ Y2 ) @ ( cartprod @ Y0 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                   => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y2: $i > $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                       => ( !!
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y1 )
                                                                                                                                                                                                                                                                                                                                                                                                             => ( ( in @ ( kpair @ Y3 @ Y4 ) @ ( dpsetconstr @ Y0 @ Y1 @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                                               => ( Y2 @ Y3 @ Y4 ) ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                     => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y2: $i > $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ ( kpair @ Y3 @ Y4 ) @ ( dpsetconstr @ Y0 @ Y1 @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                                             => ( in @ Y3 @ Y0 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                       => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                ( !!
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y2: $i > $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ ( kpair @ Y3 @ Y4 ) @ ( dpsetconstr @ Y0 @ Y1 @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                                               => ( in @ Y4 @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                         => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                  ( !!
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y2: $i > $i > $o] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( !!
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ ( kpair @ Y3 @ Y4 ) @ ( dpsetconstr @ Y0 @ Y1 @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                 => ( Y2 @ Y3 @ Y4 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                           => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                    ( !!
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                                   => ( ??
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                          ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                          & ( ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                            = ( setadjoin @ Y4 @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                              & ( subset @ Y2 @ ( cartprod @ Y0 @ Y1 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                           => ( !!
                                                                                                                                                                                                                                                                                                                                                                                                              @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                  ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                                 => ( ??
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                        & ( ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                          = ( setadjoin @ Y4 @ emptyset ) ) ) ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                             => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                      ( !!
                                                                                                                                                                                                                                                                                                                                                                                                      @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                          ( !!
                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                              ( ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                                     => ( ??
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                            ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                              @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                            & ( ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                              = ( setadjoin @ Y4 @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                & ( subset @ Y2 @ ( cartprod @ Y0 @ Y1 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                             => ( !!
                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                                   => ( in
                                                                                                                                                                                                                                                                                                                                                                                                                      @ ( setunion
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] : ( in @ ( kpair @ Y3 @ Y4 ) @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                      @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                                       => ( ??
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                = ( setadjoin @ Y4 @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y2 @ ( cartprod @ Y0 @ Y1 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                               => ( !!
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                      ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                                     => ( in
                                                                                                                                                                                                                                                                                                                                                                                                                        @ ( setunion
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y4: $i] : ( in @ ( kpair @ Y3 @ Y4 ) @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                        @ Y1 ) ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                 => ( !!
                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y0: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                        ( !!
                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y1: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                            ( !!
                                                                                                                                                                                                                                                                                                                                                                                                            @ ^ [Y2: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                ( ( in @ Y2
                                                                                                                                                                                                                                                                                                                                                                                                                  @ ( dsetconstr @ ( powerset @ ( cartprod @ Y0 @ Y1 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                                             => ( ??
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ^ [Y5: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                                    ( ( in @ Y5
                                                                                                                                                                                                                                                                                                                                                                                                                                      @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                    & ( ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                        @ ^ [Y6: $i] : ( in @ ( kpair @ Y4 @ Y6 ) @ Y3 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                      = ( setadjoin @ Y5 @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                        & ( subset @ Y3 @ ( cartprod @ Y0 @ Y1 ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                               => ( ( !!
                                                                                                                                                                                                                                                                                                                                                                                                                    @ ^ [Y3: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                        ( ( in @ Y3 @ Y0 )
                                                                                                                                                                                                                                                                                                                                                                                                                       => ( ??
                                                                                                                                                                                                                                                                                                                                                                                                                          @ ^ [Y4: $i] :
                                                                                                                                                                                                                                                                                                                                                                                                                              ( ( in @ Y4
                                                                                                                                                                                                                                                                                                                                                                                                                                @ ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                              & ( ( dsetconstr @ Y1
                                                                                                                                                                                                                                                                                                                                                                                                                                  @ ^ [Y5: $i] : ( in @ ( kpair @ Y3 @ Y5 ) @ Y2 ) )
                                                                                                                                                                                                                                                                                                                                                                                                                                = ( setadjoin @ Y4 @ emptyset ) ) ) ) ) )
                                                                                                                                                                                                                                                                                                                                                                                                                  & ( subset @ Y2 @ ( cartprod @ Y0 @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_1]) ).

thf(zip_derived_cl1944,plain,
    $false,
    inference(eprover,[status(thm)],[zip_derived_cl1943]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.17/0.17  % Problem  : SEU675^1 : TPTP v8.1.2. Released v3.7.0.
% 0.17/0.18  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.0eGY29e6zI true
% 0.19/0.39  % Computer : n031.cluster.edu
% 0.19/0.39  % Model    : x86_64 x86_64
% 0.19/0.39  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/0.39  % Memory   : 8042.1875MB
% 0.19/0.39  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.19/0.39  % CPULimit : 300
% 0.19/0.39  % WCLimit  : 300
% 0.19/0.39  % DateTime : Wed Aug 23 13:36:05 EDT 2023
% 0.19/0.39  % CPUTime  : 
% 0.19/0.39  % Running portfolio for 300 s
% 0.19/0.39  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.40  % Number of cores: 8
% 0.19/0.40  % Python version: Python 3.6.8
% 0.19/0.40  % Running in HO mode
% 0.25/0.69  % Total configuration time : 828
% 0.25/0.69  % Estimated wc time : 1656
% 0.25/0.69  % Estimated cpu time (8 cpus) : 207.0
% 0.25/0.78  % /export/starexec/sandbox2/solver/bin/lams/40_c.s.sh running for 80s
% 0.25/0.78  % /export/starexec/sandbox2/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.25/0.79  % /export/starexec/sandbox2/solver/bin/lams/40_c_ic.sh running for 80s
% 0.25/0.79  % /export/starexec/sandbox2/solver/bin/lams/15_e_short1.sh running for 30s
% 0.25/0.79  % /export/starexec/sandbox2/solver/bin/lams/40_noforms.sh running for 90s
% 0.25/0.79  % /export/starexec/sandbox2/solver/bin/lams/40_b.comb.sh running for 70s
% 0.25/0.79  % /export/starexec/sandbox2/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 1.41/0.85  % /export/starexec/sandbox2/solver/bin/lams/30_sp5.sh running for 60s
% 1.41/0.91  % /export/starexec/sandbox2/solver/bin/lams/30_b.l.sh running for 90s
% 59.31/8.29  % Solved by lams/15_e_short1.sh.
% 59.31/8.29  % done 1 iterations in 7.331s
% 59.31/8.29  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 59.31/8.29  % SZS output start Refutation
% See solution above
% 59.31/8.33  
% 59.31/8.33  
% 59.31/8.33  % Terminating...
% 60.06/8.41  % Runner terminated.
% 60.06/8.42  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------