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| Description: Power set axiom expressed in class notation. Axiom 4 of [TakeutiZaring] p. 17. |
| Ref | Expression |
|---|---|
| zfpowcl.1 |
|
| Ref | Expression |
|---|---|
| pwex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zfpowcl.1 |
. 2
| |
| 2 | pweq 2460 |
. . 3
| |
| 3 | 2 | eleq1d 1583 |
. 2
|
| 4 | zfpow 2819 |
. . . . . 6
| |
| 5 | dfss2 2110 |
. . . . . . . . 9
| |
| 6 | 5 | imbi1i 184 |
. . . . . . . 8
|
| 7 | 6 | albii 1035 |
. . . . . . 7
|
| 8 | 7 | exbii 1087 |
. . . . . 6
|
| 9 | 4, 8 | mpbir 188 |
. . . . 5
|
| 10 | 9 | bm1.3ii 2780 |
. . . 4
|
| 11 | df-pw 2459 |
. . . . . . 7
| |
| 12 | 11 | eqeq2i 1528 |
. . . . . 6
|
| 13 | abeq2 1611 |
. . . . . 6
| |
| 14 | 12, 13 | bitri 171 |
. . . . 5
|
| 15 | 14 | exbii 1087 |
. . . 4
|
| 16 | 10, 15 | mpbir 188 |
. . 3
|
| 17 | 16 | issetri 1862 |
. 2
|
| 18 | 1, 3, 17 | vtocl 1888 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pwexg 2824 snex 2826 pp0ex 2829 ord3ex 2830 abexssex 3986 pw2en 4587 canth2 4629 ssenen 4651 pwfilem 4713 pwfi 4714 inf3lem7 4764 r1suc 4798 rankpw 4830 r1pw 4832 rankss 4834 rankuni 4844 rankc2 4852 rankxpu 4857 rankxplim 4858 aceq3lem 4878 numthlem 4929 numthcor 4932 alephsucpw 5020 dominf 5054 npex 5245 pnfxr 5647 mnfxr 5648 infxpidmlem9 7772 infmap2lem2 7792 gch-kn 7799 distop 7861 issubg 8358 sspval 8636 shex 9353 hsupval2 9576 issubcat 11299 alexsublem2 11497 neibastop2lem1 11580 neibastop2lem4 11583 filssufil 11656 heiborlem23 12033 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 998 ax-gen 999 ax-8 1000 ax-10 1002 ax-12 1004 ax-13 1005 ax-14 1006 ax-17 1007 ax-4 1009 ax-5o 1011 ax-6o 1014 ax-9o 1159 ax-10o 1177 ax-16 1247 ax-11o 1255 ax-ext 1500 ax-sep 2777 ax-pow 2818 |
| This theorem depends on definitions: df-bi 145 df-or 222 df-an 223 df-ex 1017 df-sb 1209 df-clab 1506 df-cleq 1511 df-clel 1514 df-v 1858 df-in 2103 df-ss 2105 df-pw 2459 |