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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 2374 |
. . 3
| |
| 3 | 2 | eleq1d 1516 |
. 2
|
| 4 | axpow 2711 |
. . . . . 6
| |
| 5 | dfss2 2029 |
. . . . . . . . 9
| |
| 6 | 5 | imbi1i 186 |
. . . . . . . 8
|
| 7 | 6 | albii 975 |
. . . . . . 7
|
| 8 | 7 | exbii 1027 |
. . . . . 6
|
| 9 | 4, 8 | mpbir 190 |
. . . . 5
|
| 10 | 9 | bm1.3ii 2674 |
. . . 4
|
| 11 | df-pw 2373 |
. . . . . . 7
| |
| 12 | 11 | eqeq2i 1461 |
. . . . . 6
|
| 13 | abeq2 1544 |
. . . . . 6
| |
| 14 | 12, 13 | bitr 173 |
. . . . 5
|
| 15 | 14 | exbii 1027 |
. . . 4
|
| 16 | 10, 15 | mpbir 190 |
. . 3
|
| 17 | 16 | issetri 1791 |
. 2
|
| 18 | 1, 3, 17 | vtocl 1817 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pwexg 2714 snex 2718 pp0ex 2739 abexssex 3811 pw2en 4380 canth2 4418 ssenen 4436 pwfilem 4496 pwfi 4497 inf3lem7 4543 r1suc 4576 rankpw 4608 r1pw 4610 rankss 4612 rankuni 4622 rankc2 4630 rankxpu 4635 rankxplim 4636 aceq3lem 4656 numthlem 4707 numthcor 4710 alephsucpw 4793 dominf 4827 npex 5014 pnfxr 5416 mnfxr 5417 mnfnre 5420 pnfnemnf 5460 infxpidmlem9 7454 infmap2lem2 7473 gch-kn 7480 distop 7542 issubg 8001 sspval 8251 shex 9228 hsupval2t 9429 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-4 951 ax-5 952 ax-6 953 ax-7 954 ax-gen 955 ax-8 1101 ax-9 1102 ax-10 1103 ax-12 1104 ax-13 1107 ax-14 1108 ax-17 1190 ax-16 1194 ax-11o 1202 ax-ext 1436 ax-sep 2671 ax-pow 2710 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 957 df-sb 1155 df-clab 1441 df-cleq 1446 df-clel 1449 df-v 1787 df-in 2022 df-ss 2024 df-pw 2373 |