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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 4581 | . . 3 ⊢ (𝑥 = 𝐴 → 𝒫 𝑥 = 𝒫 𝐴) | |
| 2 | 1 | eleq1d 2851 | . 2 ⊢ (𝑥 = 𝐴 → (𝒫 𝑥 ∈ V ↔ 𝒫 𝐴 ∈ V)) |
| 3 | vpwex 5353 | . 2 ⊢ 𝒫 𝑥 ∈ V | |
| 4 | 2, 3 | vtoclg 3525 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝒫 𝐴 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 Vcvv 3458 𝒫 cpw 4567 |
| 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 2148 ax-9 2156 ax-ext 2738 ax-sep 5262 ax-pow 5341 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2745 df-cleq 2758 df-clel 2841 df-v 3460 df-ss 3925 df-pw 4569 |
| This theorem is used by: pwexd 5355 pwex 5356 pwel 5357 abssexg 5358 snexALT 5359 xpexg 7758 uniexr 7771 pwexb 7774 pw2eng 9081 2pwne 9131 disjen 9132 domss2 9134 ssenen 9149 fineqvlem 9236 tskwe 9955 ween 10038 acni 10048 acnnum 10055 infpwfien 10065 pwdju1 10193 ackbij1b 10240 fictb 10246 fin2i 10297 isfin2-2 10321 ssfin3ds 10332 fin23lem32 10346 fin23lem39 10352 fin23lem41 10354 isfin1-3 10388 fin1a2lem12 10413 canth3 10563 ondomon 10565 canthnum 10652 canthwe 10654 gchxpidm 10672 indv 12238 hashbcval 17087 restid2 17508 prdsplusg 17536 prdsvsca 17538 ismre 17667 isacs1i 17738 sscpwex 17897 fpwipodrs 18621 acsdrscl 18627 opsrval 22234 toponsspwpw 23116 tgdom 23172 distop 23189 fctop 23198 cctop 23200 ppttop 23201 epttop 23203 cldval 23217 ntrfval 23218 clsfval 23219 neifval 23293 neif 23294 neival 23296 neiptoptop 23325 lpfval 23332 restfpw 23373 islocfin 23711 dissnref 23722 kgenval 23729 dfac14lem 23811 qtopval 23889 isfbas 24023 fbssfi 24031 fsubbas 24061 fgval 24064 filssufil 24106 hauspwpwf1 24181 hauspwpwdom 24182 flimfnfcls 24222 tsmsfbas 24322 eltsms 24327 ustval 24397 utopval 24426 madeval 28062 cusgrexilem1 29826 pwrssmgc 33351 sigaex 34531 sigaval 34532 pwsiga 34551 pwldsys 34579 ldgenpisyslem1 34585 omsval 34715 carsgval 34725 coinflipspace 34903 iscvm 35772 cvmsval 35779 ex-sategoelel 35934 altxpexg 36491 hfpw 36698 fnemeet2 36919 fnejoin1 36920 bj-restpw 37775 elrfi 43466 elrfirn 43467 kelac2 43833 enmappwid 44767 rfovd 44768 fsovrfovd 44776 dssmapfv2d 44785 clsk3nimkb 44807 clsneif1o 44871 clsneicnv 44872 clsneikex 44873 clsneinex 44874 neicvgmex 44884 neicvgel1 44886 pwsal 47070 prproropen 48298 stgrvtx 48760 stgriedg 48761 |
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