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| Description: Power set axiom expressed in class notation. Axiom 4 of [TakeutiZaring] p. 17. (The proof was shortened by Andrew Salmon, 25-Jul-2011.) |
| Ref | Expression |
|---|---|
| zfpowcl.1 |
|
| Ref | Expression |
|---|---|
| pwex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zfpowcl.1 |
. 2
| |
| 2 | pweq 3036 |
. . 3
| |
| 3 | 2 | eleq1d 1963 |
. 2
|
| 4 | axpow2 3483 |
. . . . . 6
| |
| 5 | 4 | bm1.3ii 3441 |
. . . . 5
|
| 6 | abeq2 1999 |
. . . . . 6
| |
| 7 | 6 | exbii 1398 |
. . . . 5
|
| 8 | 5, 7 | mpbir 207 |
. . . 4
|
| 9 | isset 2296 |
. . . 4
| |
| 10 | 8, 9 | mpbir 207 |
. . 3
|
| 11 | df-pw 3035 |
. . . 4
| |
| 12 | 11 | eleq1i 1960 |
. . 3
|
| 13 | 10, 12 | mpbir 207 |
. 2
|
| 14 | 1, 3, 13 | vtocl 2339 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pwexg 3489 snexOLD 3493 pp0ex 3496 ord3ex 3497 abexssex 4848 pw2en 5505 canth2 5548 undefval 5557 ssenen 5598 pwfilem 5660 pwfi 5661 inf3lem7 5725 r1suc 5763 rankpw 5795 r1pw 5797 rankss 5799 rankuni 5809 rankc2 5817 rankxpu 5822 rankxplim 5823 aceq3lem 5894 numthlem 5945 numthcor 5948 alephsucpw 6018 dominf 6052 npex 6243 pnfxr 6660 pnfxrOLD 6661 mnfxr 6662 mnfxrOLD 6663 infxpidmlem9 8829 infmap2lem2 8849 gch-kn 8856 distop 8919 issubg 9425 sspval 9721 axgroth6 10137 shex 10710 hsupval2 10933 issubcat 15193 taralt 15211 alexsublem2 15438 neibastop2lem1 15519 neibastop2lem4 15522 filssufil 15571 heiborlem23 15977 idlval 16161 lubfval 16803 glbfval 16808 plusssfval 17204 ocvfval 17206 csubspset 17208 psubspset 17225 paddfval 17258 polfval 17317 psubclset 17346 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-10 1308 ax-12 1310 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 ax-pow 3481 |
| This theorem depends on definitions: df-bi 164 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-v 2294 df-in 2603 df-ss 2605 df-pw 3035 |