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| Mirrors > Home > MPE Home > Th. List > pwexg | Structured version Visualization version GIF version | ||
| Description: Power set axiom expressed in class notation, with the sethood requirement as an antecedent. (Contributed by NM, 30-Oct-2003.) |
| Ref | Expression |
|---|---|
| pwexg | ⊢ (𝐴 ∈ 𝑉 → 𝒫 𝐴 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pweq 4574 | . . 3 ⊢ (𝑥 = 𝐴 → 𝒫 𝑥 = 𝒫 𝐴) | |
| 2 | 1 | eleq1d 2849 | . 2 ⊢ (𝑥 = 𝐴 → (𝒫 𝑥 ∈ V ↔ 𝒫 𝐴 ∈ V)) |
| 3 | vpwex 5343 | . 2 ⊢ 𝒫 𝑥 ∈ V | |
| 4 | 2, 3 | vtoclg 3521 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝒫 𝐴 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 Vcvv 3454 𝒫 cpw 4560 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-sep 5252 ax-pow 5331 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-v 3456 df-ss 3901 df-pw 4562 |
| This theorem is used by: pwexd 5345 pwex 5346 pwel 5347 abssexg 5348 snexALT 5349 xpexg 7788 uniexr 7801 pwexb 7804 pw2eng 9130 2pwne 9180 disjen 9181 domss2 9183 ssenen 9198 fineqvlem 9285 hfpwOLD 9954 tskwe 10058 ween 10141 acni 10151 acnnum 10158 infpwfien 10168 pwdju1 10296 ackbij1b 10343 fictb 10349 fin2i 10400 isfin2-2 10424 ssfin3ds 10435 fin23lem32 10449 fin23lem39 10455 fin23lem41 10457 isfin1-3 10491 fin1a2lem12 10516 canth3 10672 ondomon 10674 canthnum 10761 canthwe 10763 gchxpidm 10781 indv 12349 hashbcval 17209 restid2 17630 prdsplusg 17658 prdsvsca 17660 ismre 17789 isacs1i 17860 sscpwex 18019 fpwipodrs 18743 acsdrscl 18749 opsrval 22385 toponsspwpw 23270 tgdom 23326 distop 23343 fctop 23352 cctop 23354 ppttop 23355 epttop 23357 cldval 23371 ntrfval 23372 clsfval 23373 neifval 23447 neif 23448 neival 23450 neiptoptop 23479 lpfval 23486 restfpw 23527 islocfin 23866 dissnref 23877 kgenval 23884 dfac14lem 23966 qtopval 24044 isfbas 24178 fbssfi 24186 fsubbas 24216 fgval 24219 filssufil 24261 hauspwpwf1 24336 hauspwpwdom 24337 flimfnfcls 24377 tsmsfbas 24477 eltsms 24482 ustval 24552 utopval 24581 madeval 28248 cusgrexilem1 30050 pwrssmgc 33631 reff 34541 sigaex 34812 sigaval 34813 pwsiga 34832 pwldsys 34860 ldgenpisyslem1 34866 omsval 34995 omssubadd 35002 carsgval 35005 coinflipspace 35183 iscvm 36191 cvmsval 36198 ex-sategoelel 36353 altxpexg 36921 fnemeet2 37333 fnejoin1 37334 bj-restpw 38204 elrfi 43898 elrfirn 43899 kelac2 44260 enmappwid 45192 rfovd 45193 fsovrfovd 45201 dssmapfv2d 45210 clsk3nimkb 45232 clsneif1o 45296 clsneicnv 45297 clsneikex 45298 clsneinex 45299 neicvgmex 45309 neicvgel1 45311 pwsal 47530 prproropen 48795 stgrvtx 49257 stgriedg 49258 |
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