%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SEU589^1 : 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.GeUrkntFRM true
% Computer : n009.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 19:14:11 EDT 2023
% Result : Theorem 21.37s 3.43s
% Output : Refutation 23.12s
% Verified :
% SZS Type : Refutation
% Derivation depth : 114
% Number of leaves : 340
% Syntax : Number of formulae : 470 ( 227 unt; 123 typ; 0 def)
% Number of atoms : 30601 (3675 equ;1338 cnn)
% Maximal formula atoms : 588 ( 88 avg)
% Number of connectives : 81036 (1972 ~; 244 |;1356 &;46534 @)
% ( 577 <=>;14705 =>; 0 <=; 0 <~>)
% Maximal formula depth : 118 ( 21 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 1688 (1688 >; 0 *; 0 +; 0 <<)
% Number of symbols : 129 ( 123 usr; 115 con; 0-2 aty)
% (14195 !!;1453 ??; 0 @@+; 0 @@-)
% Number of variables : 17016 (15801 ^;1076 !; 139 ?;17016 :)
% Comments :
%------------------------------------------------------------------------------
thf(setadjoinAx_type,type,
setadjoinAx: $o ).
thf(notdexE_type,type,
notdexE: $o ).
thf(setunionAx_type,type,
setunionAx: $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(powerset__Cong_type,type,
powerset__Cong: $o ).
thf(wellorderingAx_type,type,
wellorderingAx: $o ).
thf(setadjoinSub2_type,type,
setadjoinSub2: $o ).
thf(setoftrueEq_type,type,
setoftrueEq: $o ).
thf(emptyset__Cong_type,type,
emptyset__Cong: $o ).
thf(sepInPowerset_type,type,
sepInPowerset: $o ).
thf(binunionE_type,type,
binunionE: $o ).
thf(setext_type,type,
setext: $o ).
thf(emptyinPowerset_type,type,
emptyinPowerset: $o ).
thf(descr__Cong_type,type,
descr__Cong: $o ).
thf(in_type,type,
in: $i > $i > $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(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(powersetAx_type,type,
powersetAx: $o ).
thf('#sk1178_type',type,
'#sk1178': $i ).
thf('#sk1179_type',type,
'#sk1179': $i ).
thf(powersetI_type,type,
powersetI: $o ).
thf(upairsetIR_type,type,
upairsetIR: $o ).
thf(inCongP_type,type,
inCongP: $o ).
thf(setadjoinSub_type,type,
setadjoinSub: $o ).
thf(exuE3e_type,type,
exuE3e: $o ).
thf(emptysetE_type,type,
emptysetE: $o ).
thf(setunionI_type,type,
setunionI: $o ).
thf(setunion__Cong_type,type,
setunion__Cong: $o ).
thf(prop2setI_type,type,
prop2setI: $o ).
thf(nonemptyImpWitness_type,type,
nonemptyImpWitness: $o ).
thf(exuE2_type,type,
exuE2: $o ).
thf(emptyset_type,type,
emptyset: $i ).
thf(powersetsubset_type,type,
powersetsubset: $o ).
thf(subPowSU_type,type,
subPowSU: $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(binunionIL_type,type,
binunionIL: $o ).
thf(subsetE2_type,type,
subsetE2: $o ).
thf(singletonsswitch_type,type,
singletonsswitch: $o ).
thf(setextsub_type,type,
setextsub: $o ).
thf(binunionLsub_type,type,
binunionLsub: $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(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(setadjoinIL_type,type,
setadjoinIL: $o ).
thf(exuE1_type,type,
exuE1: $o ).
thf(prop2set_type,type,
prop2set: $o > $i ).
thf(notinsingleton_type,type,
notinsingleton: $o ).
thf('#sk1177_type',type,
'#sk1177': $i ).
thf(eqimpsubset2_type,type,
eqimpsubset2: $o ).
thf(exuEu_type,type,
exuEu: $o ).
thf(emptysetimpfalse_type,type,
emptysetimpfalse: $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(noeltsimpempty_type,type,
noeltsimpempty: $o ).
thf(setunion_type,type,
setunion: $i > $i ).
thf(subsetI1_type,type,
subsetI1: $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(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(subsetI2_type,type,
subsetI2: $o ).
thf(omega__Cong_type,type,
omega__Cong: $o ).
thf(subsetRefl_type,type,
subsetRefl: $o ).
thf(uniqinunit_type,type,
uniqinunit: $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(exuE3u_type,type,
exuE3u: $o ).
thf(sepSubset_type,type,
sepSubset: $o ).
thf(eqimpsubset1_type,type,
eqimpsubset1: $o ).
thf(exuI3_type,type,
exuI3: $o ).
thf(notdallE_type,type,
notdallE: $o ).
thf(powerset_type,type,
powerset: $i > $i ).
thf(dsetconstrI_type,type,
dsetconstrI: $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(quantDeMorgan2_type,type,
quantDeMorgan2: $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(inPowerset_type,type,
inPowerset: $o ).
thf(subset_type,type,
subset: $i > $i > $o ).
thf(in__Cong_type,type,
in__Cong: $o ).
thf(binunionRsub_type,type,
binunionRsub: $o ).
thf(subset2powerset_type,type,
subset2powerset: $o ).
thf(binunionRsub,axiom,
( binunionRsub
= ( ! [A: $i,B: $i] : ( subset @ B @ ( binunion @ A @ B ) ) ) ) ).
thf('0',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('1',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('2',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('3',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('4',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('5',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('6',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('7',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('8',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('9',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('10',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('11',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('12',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('13',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('14',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('15',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('16',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('17',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('18',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('19',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('20',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('21',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('22',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('23',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('24',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('25',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('26',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('27',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('28',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('29',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('30',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('31',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('32',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('33',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('34',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('35',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('36',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('37',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('38',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('39',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('40',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('41',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('42',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('43',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('44',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('45',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('46',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('47',plain,
( prop2set2propI
= ( ! [X4: $o] :
( X4
=> ( set2prop @ ( prop2set @ X4 ) ) ) ) ),
define([status(thm)]) ).
thf(prop2setI,axiom,
( prop2setI
= ( ! [Xphi: $o] :
( Xphi
=> ( in @ emptyset @ ( prop2set @ Xphi ) ) ) ) ) ).
thf('48',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('49',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('50',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('51',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('52',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('53',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('54',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('55',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('56',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('57',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('58',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('59',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('60',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('61',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('62',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('63',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('64',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('65',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('66',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('67',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('68',plain,
( emptyInPowerset
= ( ! [X4: $i] : ( in @ emptyset @ ( powerset @ X4 ) ) ) ),
define([status(thm)]) ).
thf(emptyinPowerset,axiom,
( emptyinPowerset
= ( ! [A: $i] : ( in @ emptyset @ ( powerset @ A ) ) ) ) ).
thf('69',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('70',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('71',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('72',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('73',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('74',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('75',plain,
( emptyinunitempty
= ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ),
inference(simplify_rw_rule,[status(thm)],[emptyinunitempty]) ).
thf('76',plain,
( emptyinunitempty
= ( in @ emptyset @ ( setadjoin @ emptyset @ emptyset ) ) ),
define([status(thm)]) ).
thf(setadjoinIL,axiom,
( setadjoinIL
= ( ! [Xx: $i,Xy: $i] : ( in @ Xx @ ( setadjoin @ Xx @ Xy ) ) ) ) ).
thf('77',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('78',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('79',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('80',plain,
( nonemptyE1
= ( ! [X4: $i] :
( ( nonempty @ X4 )
=> ? [X6: $i] : ( in @ X6 @ X4 ) ) ) ),
define([status(thm)]) ).
thf(nonempty,axiom,
( nonempty
= ( ^ [Xx: $i] : ( Xx != emptyset ) ) ) ).
thf('81',plain,
( nonempty
= ( ^ [Xx: $i] : ( Xx != emptyset ) ) ),
inference(simplify_rw_rule,[status(thm)],[nonempty]) ).
thf('82',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('83',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('84',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('85',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('86',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('87',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('88',plain,
( notinemptyset
= ( ! [X4: $i] :
~ ( in @ X4 @ emptyset ) ) ),
define([status(thm)]) ).
thf(emptysetimpfalse,axiom,
( emptysetimpfalse
= ( ! [Xx: $i] :
( ( in @ Xx @ emptyset )
=> $false ) ) ) ).
thf('89',plain,
( emptysetimpfalse
= ( ! [X4: $i] :
( ( in @ X4 @ emptyset )
=> $false ) ) ),
define([status(thm)]) ).
thf(emptysetE,axiom,
( emptysetE
= ( ! [Xx: $i] :
( ( in @ Xx @ emptyset )
=> ! [Xphi: $o] : Xphi ) ) ) ).
thf('90',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('91',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('92',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('93',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('94',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('95',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('96',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('97',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('98',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('99',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('100',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('101',plain,
( omegaSAx
= ( ! [X4: $i] :
( ( in @ X4 @ omega )
=> ( in @ ( setadjoin @ X4 @ X4 ) @ omega ) ) ) ),
define([status(thm)]) ).
thf(omega0Ax,axiom,
( omega0Ax
= ( in @ emptyset @ omega ) ) ).
thf('102',plain,
( omega0Ax
= ( in @ emptyset @ omega ) ),
inference(simplify_rw_rule,[status(thm)],[omega0Ax]) ).
thf('103',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('104',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('105',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('106',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('107',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('108',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('109',plain,
( exu
= ( ^ [Xphi: $i > $o] :
? [Xx: $i] :
( ! [Xy: $i] :
( ( Xphi @ Xy )
=> ( Xx = Xy ) )
& ( Xphi @ Xx ) ) ) ),
inference(simplify_rw_rule,[status(thm)],[exu]) ).
thf('110',plain,
( exu
= ( ^ [V_1: $i > $o] :
? [X4: $i] :
( ! [X6: $i] :
( ( V_1 @ X6 )
=> ( X4 = X6 ) )
& ( V_1 @ X4 ) ) ) ),
define([status(thm)]) ).
thf(binintersectI,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
=> ! [A: $i,B: $i,Xx: $i] :
( ( in @ Xx @ A )
=> ( ( in @ Xx @ B )
=> ( in @ Xx @ ( binintersect @ A @ B ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference('cnf.neg',[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl1,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
@ ^ [Y1: $i] : ( Y0 @ Y1 ) ) ) ) )
=> ( ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i > $o] :
( !!
@ ^ [Y2: $i] :
( ( in @ Y2 @ Y0 )
=> ( ( Y1 @ Y2 )
=> ( in @ Y2
@ ( dsetconstr @ Y0
@ ^ [Y3: $i] : ( Y1 @ Y3 ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i > $o] :
( !!
@ ^ [Y2: $i] :
( ( in @ Y2
@ ( dsetconstr @ Y0
@ ^ [Y3: $i] : ( Y1 @ Y3 ) ) )
=> ( in @ Y2 @ Y0 ) ) ) ) )
=> ( ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i > $o] :
( !!
@ ^ [Y2: $i] :
( ( in @ Y2
@ ( dsetconstr @ Y0
@ ^ [Y3: $i] : ( Y1 @ Y3 ) ) )
=> ( 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
@ ^ [Y3: $i] : ( Y1 @ Y3 ) ) )
<=> ( 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
@ ^ [Y3: $i] : ( Y1 @ Y3 ) )
!= 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
@ ^ [Y2: $i] : ( Y1 @ Y2 ) )
!= 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
@ ^ [Y2: $i] : ( Y0 @ Y2 ) )
= ( descr
@ ^ [Y2: $i] : ( Y1 @ Y2 ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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
@ ^ [Y4: $i] : ( Y2 @ Y4 ) )
= ( dsetconstr @ Y1
@ ^ [Y4: $i] : ( Y3 @ Y4 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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
@ ^ [Y2: $i] : ( Y1 @ Y2 ) )
@ ( powerset @ Y0 ) ) ) )
=> ( ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i > $o] :
( subset
@ ( dsetconstr @ Y0
@ ^ [Y2: $i] : ( Y1 @ Y2 ) )
@ 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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(cnf,[status(esa)],[zf_stmt_1]) ).
thf(zip_derived_cl8,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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(ho_norm,[status(thm)],[zip_derived_cl1]) ).
thf(zip_derived_cl9,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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference('simplify boolean subterms',[status(thm)],[zip_derived_cl8]) ).
thf(zip_derived_cl11,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl9]) ).
thf(zip_derived_cl14,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl11]) ).
thf(zip_derived_cl18,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl14]) ).
thf(zip_derived_cl22,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl18]) ).
thf(zip_derived_cl28,plain,
~ ( ( 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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl22]) ).
thf(zip_derived_cl34,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl28]) ).
thf(zip_derived_cl41,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl34]) ).
thf(zip_derived_cl51,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl41]) ).
thf(zip_derived_cl59,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl51]) ).
thf(zip_derived_cl63,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl59]) ).
thf(zip_derived_cl68,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl63]) ).
thf(zip_derived_cl74,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl68]) ).
thf(zip_derived_cl83,plain,
~ ( ( !!
@ ^ [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: $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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl74]) ).
thf(zip_derived_cl97,plain,
~ ( ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i > $o] :
( !!
@ ^ [Y2: $i] :
( ( in @ Y2 @ ( dsetconstr @ Y0 @ Y1 ) )
=> ( 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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl83]) ).
thf(zip_derived_cl114,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl97]) ).
thf(zip_derived_cl130,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl114]) ).
thf(zip_derived_cl147,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl130]) ).
thf(zip_derived_cl167,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl147]) ).
thf(zip_derived_cl180,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl167]) ).
thf(zip_derived_cl190,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl180]) ).
thf(zip_derived_cl205,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl190]) ).
thf(zip_derived_cl221,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl205]) ).
thf(zip_derived_cl231,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl221]) ).
thf(zip_derived_cl239,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl231]) ).
thf(zip_derived_cl249,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl239]) ).
thf(zip_derived_cl262,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl249]) ).
thf(zip_derived_cl273,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl262]) ).
thf(zip_derived_cl281,plain,
~ ( ( 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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl273]) ).
thf(zip_derived_cl287,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl281]) ).
thf(zip_derived_cl294,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl287]) ).
thf(zip_derived_cl298,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl294]) ).
thf(zip_derived_cl303,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl298]) ).
thf(zip_derived_cl308,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl303]) ).
thf(zip_derived_cl313,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl308]) ).
thf(zip_derived_cl319,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl313]) ).
thf(zip_derived_cl325,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl319]) ).
thf(zip_derived_cl331,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl325]) ).
thf(zip_derived_cl338,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl331]) ).
thf(zip_derived_cl345,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl338]) ).
thf(zip_derived_cl354,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl345]) ).
thf(zip_derived_cl362,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl354]) ).
thf(zip_derived_cl370,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl362]) ).
thf(zip_derived_cl376,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl370]) ).
thf(zip_derived_cl382,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl376]) ).
thf(zip_derived_cl390,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl382]) ).
thf(zip_derived_cl398,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl390]) ).
thf(zip_derived_cl408,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl398]) ).
thf(zip_derived_cl417,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl408]) ).
thf(zip_derived_cl426,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl417]) ).
thf(zip_derived_cl433,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl426]) ).
thf(zip_derived_cl438,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl433]) ).
thf(zip_derived_cl445,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl438]) ).
thf(zip_derived_cl451,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl445]) ).
thf(zip_derived_cl461,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl451]) ).
thf(zip_derived_cl468,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl461]) ).
thf(zip_derived_cl475,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl468]) ).
thf(zip_derived_cl483,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl475]) ).
thf(zip_derived_cl494,plain,
~ ( ( !!
@ ^ [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 ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl483]) ).
thf(zip_derived_cl508,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl494]) ).
thf(zip_derived_cl518,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl508]) ).
thf(zip_derived_cl526,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl518]) ).
thf(zip_derived_cl535,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl526]) ).
thf(zip_derived_cl543,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl535]) ).
thf(zip_derived_cl551,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl543]) ).
thf(zip_derived_cl560,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) )
=> ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl551]) ).
thf(zip_derived_cl574,plain,
~ ( ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i] :
( ( Y0 = Y1 )
=> ( ( powerset @ Y0 )
= ( powerset @ Y1 ) ) ) ) )
=> ( ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i] :
( ( Y0 = Y1 )
=> ( ( setunion @ Y0 )
= ( setunion @ 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 ) ) ) ) )
=> ( ( 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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl560]) ).
thf(zip_derived_cl590,plain,
~ ( ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i] :
( ( Y0 = Y1 )
=> ( ( setunion @ Y0 )
= ( setunion @ 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 ) ) ) ) )
=> ( ( 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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl574]) ).
thf(zip_derived_cl604,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl590]) ).
thf(zip_derived_cl624,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl604]) ).
thf(zip_derived_cl642,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl624]) ).
thf(zip_derived_cl656,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl642]) ).
thf(zip_derived_cl677,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl656]) ).
thf(zip_derived_cl696,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl677]) ).
thf(zip_derived_cl711,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl696]) ).
thf(zip_derived_cl726,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl711]) ).
thf(zip_derived_cl741,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl726]) ).
thf(zip_derived_cl756,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl741]) ).
thf(zip_derived_cl766,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl756]) ).
thf(zip_derived_cl777,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl766]) ).
thf(zip_derived_cl787,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl777]) ).
thf(zip_derived_cl797,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl787]) ).
thf(zip_derived_cl806,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl797]) ).
thf(zip_derived_cl815,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl806]) ).
thf(zip_derived_cl822,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl815]) ).
thf(zip_derived_cl827,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl822]) ).
thf(zip_derived_cl833,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl827]) ).
thf(zip_derived_cl840,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl833]) ).
thf(zip_derived_cl846,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl840]) ).
thf(zip_derived_cl852,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl846]) ).
thf(zip_derived_cl857,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl852]) ).
thf(zip_derived_cl863,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl857]) ).
thf(zip_derived_cl869,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl863]) ).
thf(zip_derived_cl873,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl869]) ).
thf(zip_derived_cl877,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl873]) ).
thf(zip_derived_cl883,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl877]) ).
thf(zip_derived_cl888,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl883]) ).
thf(zip_derived_cl892,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl888]) ).
thf(zip_derived_cl897,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl892]) ).
thf(zip_derived_cl901,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl897]) ).
thf(zip_derived_cl906,plain,
~ ( ( !!
@ ^ [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 ) ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl901]) ).
thf(zip_derived_cl911,plain,
~ ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i] :
( !!
@ ^ [Y2: $i] :
( ( in @ Y2 @ Y0 )
=> ( ( in @ Y2 @ Y1 )
=> ( in @ Y2 @ ( binintersect @ Y0 @ Y1 ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl906]) ).
thf(zip_derived_cl916,plain,
~ ( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i] :
( ( in @ Y1 @ '#sk1177' )
=> ( ( in @ Y1 @ Y0 )
=> ( in @ Y1 @ ( binintersect @ '#sk1177' @ Y0 ) ) ) ) ) ),
inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl911]) ).
thf(zip_derived_cl920,plain,
~ ( !!
@ ^ [Y0: $i] :
( ( in @ Y0 @ '#sk1177' )
=> ( ( in @ Y0 @ '#sk1178' )
=> ( in @ Y0 @ ( binintersect @ '#sk1177' @ '#sk1178' ) ) ) ) ),
inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl916]) ).
thf(zip_derived_cl923,plain,
~ ( ( in @ '#sk1179' @ '#sk1177' )
=> ( ( in @ '#sk1179' @ '#sk1178' )
=> ( in @ '#sk1179' @ ( binintersect @ '#sk1177' @ '#sk1178' ) ) ) ),
inference(lazy_cnf_exists,[status(thm)],[zip_derived_cl920]) ).
thf(zip_derived_cl927,plain,
~ ( ( in @ '#sk1179' @ '#sk1178' )
=> ( in @ '#sk1179' @ ( binintersect @ '#sk1177' @ '#sk1178' ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl923]) ).
thf(zip_derived_cl931,plain,
~ ( in @ '#sk1179' @ ( binintersect @ '#sk1177' @ '#sk1178' ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl927]) ).
thf(zip_derived_cl930,plain,
in @ '#sk1179' @ '#sk1178',
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl927]) ).
thf(zip_derived_cl82,plain,
( !!
@ ^ [Y0: $i] :
( !!
@ ^ [Y1: $i > $o] :
( !!
@ ^ [Y2: $i] :
( ( in @ Y2 @ Y0 )
=> ( ( Y1 @ Y2 )
=> ( in @ Y2 @ ( dsetconstr @ Y0 @ Y1 ) ) ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl74]) ).
thf(zip_derived_cl95,plain,
! [X2: $i] :
( !!
@ ^ [Y0: $i > $o] :
( !!
@ ^ [Y1: $i] :
( ( in @ Y1 @ X2 )
=> ( ( Y0 @ Y1 )
=> ( in @ Y1 @ ( dsetconstr @ X2 @ Y0 ) ) ) ) ) ),
inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl82]) ).
thf(zip_derived_cl110,plain,
! [X2: $i,X4: $i > $o] :
( !!
@ ^ [Y0: $i] :
( ( in @ Y0 @ X2 )
=> ( ( X4 @ Y0 )
=> ( in @ Y0 @ ( dsetconstr @ X2 @ X4 ) ) ) ) ),
inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl95]) ).
thf(zip_derived_cl111,plain,
! [X0: $i,X1: $i] :
( !!
@ ^ [Y0: $i] :
( ( in @ Y0 @ X1 )
=> ( ( in @ Y0 @ X0 )
=> ( in @ Y0
@ ( dsetconstr @ X1
@ ^ [Y1: $i] : ( in @ Y1 @ X0 ) ) ) ) ) ),
inference(triggered_bool_instantiation,[status(thm)],[zip_derived_cl110]) ).
thf(zip_derived_cl1353,plain,
! [X0: $i,X1: $i,X3: $i] :
( ( in @ X3 @ X1 )
=> ( ( in @ X3 @ X0 )
=> ( in @ X3
@ ( dsetconstr @ X1
@ ^ [Y0: $i] : ( in @ Y0 @ X0 ) ) ) ) ),
inference(lazy_cnf_forall,[status(thm)],[zip_derived_cl111]) ).
thf(zip_derived_cl1354,plain,
! [X0: $i,X1: $i,X3: $i] :
( ~ ( in @ X3 @ X1 )
| ( ( in @ X3 @ X0 )
=> ( in @ X3
@ ( dsetconstr @ X1
@ ^ [Y0: $i] : ( in @ Y0 @ X0 ) ) ) ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl1353]) ).
thf(zip_derived_cl1355,plain,
! [X0: $i,X1: $i,X3: $i] :
( ~ ( in @ X3 @ X0 )
| ( in @ X3
@ ( dsetconstr @ X1
@ ^ [Y0: $i] : ( in @ Y0 @ X0 ) ) )
| ~ ( in @ X3 @ X1 ) ),
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl1354]) ).
thf(zip_derived_cl1356,plain,
! [X0: $i] :
( ~ ( in @ '#sk1179' @ X0 )
| ( in @ '#sk1179'
@ ( dsetconstr @ X0
@ ^ [Y0: $i] : ( in @ Y0 @ '#sk1178' ) ) ) ),
inference('sup-',[status(thm)],[zip_derived_cl930,zip_derived_cl1355]) ).
thf(binintersect,axiom,
( binintersect
= ( ^ [A: $i,B: $i] :
( dsetconstr @ A
@ ^ [Xx: $i] : ( in @ Xx @ B ) ) ) ) ).
thf(zip_derived_cl0,plain,
( binintersect
= ( ^ [Y0: $i,Y1: $i] :
( dsetconstr @ Y0
@ ^ [Y2: $i] : ( in @ Y2 @ Y1 ) ) ) ),
inference(cnf,[status(esa)],[binintersect]) ).
thf(zip_derived_cl3,plain,
! [X1: $i,X2: $i] :
( ( binintersect @ X1 @ X2 )
= ( ^ [Y0: $i,Y1: $i] :
( dsetconstr @ Y0
@ ^ [Y2: $i] : ( in @ Y2 @ Y1 ) )
@ X1
@ X2 ) ),
inference(ho_complete_eq,[status(thm)],[zip_derived_cl0]) ).
thf(zip_derived_cl5,plain,
! [X1: $i,X2: $i] :
( ( binintersect @ X1 @ X2 )
= ( dsetconstr @ X1
@ ^ [Y0: $i] : ( in @ Y0 @ X2 ) ) ),
inference(ho_norm,[status(thm)],[zip_derived_cl3]) ).
thf(zip_derived_cl1396,plain,
! [X0: $i] :
( ~ ( in @ '#sk1179' @ X0 )
| ( in @ '#sk1179' @ ( binintersect @ X0 @ '#sk1178' ) ) ),
inference(demod,[status(thm)],[zip_derived_cl1356,zip_derived_cl5]) ).
thf(zip_derived_cl1839,plain,
~ ( in @ '#sk1179' @ '#sk1177' ),
inference('sup+',[status(thm)],[zip_derived_cl931,zip_derived_cl1396]) ).
thf(zip_derived_cl926,plain,
in @ '#sk1179' @ '#sk1177',
inference(lazy_cnf_imply,[status(thm)],[zip_derived_cl923]) ).
thf(zip_derived_cl1848,plain,
$false,
inference(demod,[status(thm)],[zip_derived_cl1839,zip_derived_cl926]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13 % Problem : SEU589^1 : TPTP v8.1.2. Released v3.7.0.
% 0.00/0.14 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.GeUrkntFRM true
% 0.14/0.36 % Computer : n009.cluster.edu
% 0.14/0.36 % Model : x86_64 x86_64
% 0.14/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36 % Memory : 8042.1875MB
% 0.14/0.36 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36 % CPULimit : 300
% 0.14/0.36 % WCLimit : 300
% 0.14/0.36 % DateTime : Wed Aug 23 12:49:21 EDT 2023
% 0.14/0.36 % CPUTime :
% 0.14/0.37 % Running portfolio for 300 s
% 0.14/0.37 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.37 % Number of cores: 8
% 0.14/0.37 % Python version: Python 3.6.8
% 0.14/0.37 % Running in HO mode
% 0.23/0.66 % Total configuration time : 828
% 0.23/0.66 % Estimated wc time : 1656
% 0.23/0.66 % Estimated cpu time (8 cpus) : 207.0
% 0.23/0.72 % /export/starexec/sandbox2/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.23/0.74 % /export/starexec/sandbox2/solver/bin/lams/40_c.s.sh running for 80s
% 0.23/0.76 % /export/starexec/sandbox2/solver/bin/lams/40_c_ic.sh running for 80s
% 0.23/0.76 % /export/starexec/sandbox2/solver/bin/lams/15_e_short1.sh running for 30s
% 0.23/0.79 % /export/starexec/sandbox2/solver/bin/lams/40_b.comb.sh running for 70s
% 0.23/0.80 % /export/starexec/sandbox2/solver/bin/lams/40_noforms.sh running for 90s
% 0.23/0.81 % /export/starexec/sandbox2/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 0.70/0.83 % /export/starexec/sandbox2/solver/bin/lams/30_sp5.sh running for 60s
% 0.70/0.83 % /export/starexec/sandbox2/solver/bin/lams/30_b.l.sh running for 90s
% 21.37/3.43 % Solved by lams/35_full_unif4.sh.
% 21.37/3.43 % done 218 iterations in 1.704s
% 21.37/3.43 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 21.37/3.43 % SZS output start Refutation
% See solution above
% 23.12/3.64
% 23.12/3.64
% 23.12/3.64 % /export/starexec/sandbox2/solver/bin/lams/35_full_unif.sh running for 56s
% 23.12/3.64 % Terminating...
% 23.59/3.92 % Runner terminated.
% 23.62/3.94 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------