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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 2393 |
. . 3
| |
| 3 | 2 | eleq1d 1532 |
. 2
|
| 4 | axpow 2733 |
. . . . . 6
| |
| 5 | dfss2 2048 |
. . . . . . . . 9
| |
| 6 | 5 | imbi1i 186 |
. . . . . . . 8
|
| 7 | 6 | albii 996 |
. . . . . . 7
|
| 8 | 7 | exbii 1047 |
. . . . . 6
|
| 9 | 4, 8 | mpbir 190 |
. . . . 5
|
| 10 | 9 | bm1.3ii 2696 |
. . . 4
|
| 11 | df-pw 2392 |
. . . . . . 7
| |
| 12 | 11 | eqeq2i 1477 |
. . . . . 6
|
| 13 | abeq2 1560 |
. . . . . 6
| |
| 14 | 12, 13 | bitr 173 |
. . . . 5
|
| 15 | 14 | exbii 1047 |
. . . 4
|
| 16 | 10, 15 | mpbir 190 |
. . 3
|
| 17 | 16 | issetri 1807 |
. 2
|
| 18 | 1, 3, 17 | vtocl 1833 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pwexg 2736 snex 2740 pp0ex 2761 abexssex 3857 pw2en 4426 canth2 4464 2pwuninel 4465 ssenen 4484 pwfilem 4544 pwfi 4545 inf3lem7 4591 r1suc 4624 rankpw 4656 r1pw 4658 rankss 4660 rankuni 4670 rankc2 4678 rankxpu 4683 rankxplim 4684 aceq3lem 4704 numthlem 4755 numthcor 4758 alephsucpw 4842 dominf 4876 npex 5063 pnfxr 5465 mnfxr 5466 pnfnemnf 5509 infxpidmlem9 7503 infmap2lem2 7522 gch-kn 7529 distop 7591 issubg 8053 sspval 8316 shex 8998 hsupval2t 9215 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-10 963 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-sep 2693 ax-pow 2732 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 978 df-sb 1168 df-clab 1457 df-cleq 1462 df-clel 1465 df-v 1803 df-in 2041 df-ss 2043 df-pw 2392 |