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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 4570 | . . 3 ⊢ (𝑥 = 𝐴 → 𝒫 𝑥 = 𝒫 𝐴) | |
| 2 | 1 | eleq1d 2845 | . 2 ⊢ (𝑥 = 𝐴 → (𝒫 𝑥 ∈ V ↔ 𝒫 𝐴 ∈ V)) |
| 3 | vpwex 5338 | . 2 ⊢ 𝒫 𝑥 ∈ V | |
| 4 | 2, 3 | vtoclg 3517 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝒫 𝐴 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2144 Vcvv 3450 𝒫 cpw 4556 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-sep 5248 ax-pow 5326 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-ss 3896 df-pw 4558 |
| This theorem is used by: pwexd 5340 pwex 5341 pwel 5342 abssexg 5343 snexALT 5344 xpexg 7764 uniexr 7777 pwexb 7780 pw2eng 9105 2pwne 9155 disjen 9156 domss2 9158 ssenen 9173 fineqvlem 9260 hfpwOLD 9930 tskwe 10034 ween 10117 acni 10127 acnnum 10134 infpwfien 10144 pwdju1 10272 ackbij1b 10319 fictb 10325 fin2i 10376 isfin2-2 10400 ssfin3ds 10411 fin23lem32 10425 fin23lem39 10431 fin23lem41 10433 isfin1-3 10467 fin1a2lem12 10492 canth3 10648 ondomon 10650 canthnum 10737 canthwe 10739 gchxpidm 10757 indv 12325 hashbcval 17185 restid2 17606 prdsplusg 17634 prdsvsca 17636 ismre 17765 isacs1i 17836 sscpwex 17995 fpwipodrs 18719 acsdrscl 18725 opsrval 22360 toponsspwpw 23245 tgdom 23301 distop 23318 fctop 23327 cctop 23329 ppttop 23330 epttop 23332 cldval 23346 ntrfval 23347 clsfval 23348 neifval 23422 neif 23423 neival 23425 neiptoptop 23454 lpfval 23461 restfpw 23502 islocfin 23841 dissnref 23852 kgenval 23859 dfac14lem 23941 qtopval 24019 isfbas 24153 fbssfi 24161 fsubbas 24191 fgval 24194 filssufil 24236 hauspwpwf1 24311 hauspwpwdom 24312 flimfnfcls 24352 tsmsfbas 24452 eltsms 24457 ustval 24527 utopval 24556 madeval 28223 cusgrexilem1 30025 pwrssmgc 33607 reff 34517 sigaex 34788 sigaval 34789 pwsiga 34808 pwldsys 34836 ldgenpisyslem1 34842 omsval 34971 omssubadd 34978 carsgval 34981 coinflipspace 35159 iscvm 36110 cvmsval 36117 ex-sategoelel 36272 altxpexg 36835 fnemeet2 37247 fnejoin1 37248 bj-restpw 38105 elrfi 43798 elrfirn 43799 kelac2 44160 enmappwid 45093 rfovd 45094 fsovrfovd 45102 dssmapfv2d 45111 clsk3nimkb 45133 clsneif1o 45197 clsneicnv 45198 clsneikex 45199 clsneinex 45200 neicvgmex 45210 neicvgel1 45212 pwsal 47418 prproropen 48683 stgrvtx 49145 stgriedg 49146 |
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