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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 4571 | . . 3 ⊢ (𝑥 = 𝐴 → 𝒫 𝑥 = 𝒫 𝐴) | |
| 2 | 1 | eleq1d 2846 | . 2 ⊢ (𝑥 = 𝐴 → (𝒫 𝑥 ∈ V ↔ 𝒫 𝐴 ∈ V)) |
| 3 | vpwex 5339 | . 2 ⊢ 𝒫 𝑥 ∈ V | |
| 4 | 2, 3 | vtoclg 3518 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝒫 𝐴 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 Vcvv 3451 𝒫 cpw 4557 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 ax-sep 5249 ax-pow 5327 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-v 3453 df-ss 3916 df-pw 4559 |
| This theorem is used by: pwexd 5341 pwex 5342 pwel 5343 abssexg 5344 snexALT 5345 xpexg 7753 uniexr 7766 pwexb 7769 pw2eng 9086 2pwne 9136 disjen 9137 domss2 9139 ssenen 9154 fineqvlem 9241 hfpwOLD 9908 tskwe 10012 ween 10095 acni 10105 acnnum 10112 infpwfien 10122 pwdju1 10250 ackbij1b 10297 fictb 10303 fin2i 10354 isfin2-2 10378 ssfin3ds 10389 fin23lem32 10403 fin23lem39 10409 fin23lem41 10411 isfin1-3 10445 fin1a2lem12 10470 canth3 10626 ondomon 10628 canthnum 10715 canthwe 10717 gchxpidm 10735 indv 12303 hashbcval 17160 restid2 17581 prdsplusg 17609 prdsvsca 17611 ismre 17740 isacs1i 17811 sscpwex 17970 fpwipodrs 18694 acsdrscl 18700 opsrval 22335 toponsspwpw 23220 tgdom 23276 distop 23293 fctop 23302 cctop 23304 ppttop 23305 epttop 23307 cldval 23321 ntrfval 23322 clsfval 23323 neifval 23397 neif 23398 neival 23400 neiptoptop 23429 lpfval 23436 restfpw 23477 islocfin 23816 dissnref 23827 kgenval 23834 dfac14lem 23916 qtopval 23994 isfbas 24128 fbssfi 24136 fsubbas 24166 fgval 24169 filssufil 24211 hauspwpwf1 24286 hauspwpwdom 24287 flimfnfcls 24327 tsmsfbas 24427 eltsms 24432 ustval 24502 utopval 24531 madeval 28200 cusgrexilem1 30002 pwrssmgc 33543 sigaex 34724 sigaval 34725 pwsiga 34744 pwldsys 34772 ldgenpisyslem1 34778 omsval 34908 carsgval 34918 coinflipspace 35096 iscvm 35993 cvmsval 36000 ex-sategoelel 36155 altxpexg 36713 fnemeet2 37125 fnejoin1 37126 bj-restpw 37981 elrfi 43658 elrfirn 43659 kelac2 44025 enmappwid 44959 rfovd 44960 fsovrfovd 44968 dssmapfv2d 44977 clsk3nimkb 44999 clsneif1o 45063 clsneicnv 45064 clsneikex 45065 clsneinex 45066 neicvgmex 45076 neicvgel1 45078 pwsal 47269 prproropen 48534 stgrvtx 48996 stgriedg 48997 |
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