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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. Axiom 4 of [TakeutiZaring] p. 17. (Contributed by NM, 30-Oct-2003.) |
Ref | Expression |
---|---|
pwexg | ⊢ (𝐴 ∈ 𝑉 → 𝒫 𝐴 ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pweq 4161 | . . 3 ⊢ (𝑥 = 𝐴 → 𝒫 𝑥 = 𝒫 𝐴) | |
2 | 1 | eleq1d 2686 | . 2 ⊢ (𝑥 = 𝐴 → (𝒫 𝑥 ∈ V ↔ 𝒫 𝐴 ∈ V)) |
3 | vpwex 4849 | . 2 ⊢ 𝒫 𝑥 ∈ V | |
4 | 2, 3 | vtoclg 3266 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝒫 𝐴 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1483 ∈ wcel 1990 Vcvv 3200 𝒫 cpw 4158 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-pow 4843 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-v 3202 df-in 3581 df-ss 3588 df-pw 4160 |
This theorem is referenced by: abssexg 4851 snexALT 4852 pwel 4920 xpexg 6960 uniexr 6972 pwexb 6975 fabexg 7122 undefval 7402 mapex 7863 pmvalg 7868 pw2eng 8066 fopwdom 8068 pwdom 8112 2pwne 8116 disjen 8117 domss2 8119 ssenen 8134 fineqvlem 8174 fival 8318 fipwuni 8332 hartogslem2 8448 wdompwdom 8483 harwdom 8495 tskwe 8776 ween 8858 acni 8868 acnnum 8875 infpwfien 8885 pwcda1 9016 ackbij1b 9061 fictb 9067 fin2i 9117 isfin2-2 9141 ssfin3ds 9152 fin23lem32 9166 fin23lem39 9172 fin23lem41 9174 isfin1-3 9208 fin1a2lem12 9233 canth3 9383 ondomon 9385 canthnum 9471 canthwe 9473 canthp1lem2 9475 gchxpidm 9491 gchpwdom 9492 gchhar 9501 wrdexg 13315 hashbcval 15706 restid2 16091 prdsplusg 16118 prdsmulr 16119 prdsvsca 16120 ismre 16250 isacs1i 16318 sscpwex 16475 fpwipodrs 17164 acsdrscl 17170 sylow2a 18034 opsrval 19474 toponsspwpw 20726 tgdom 20782 distop 20799 fctop 20808 cctop 20810 ppttop 20811 epttop 20813 cldval 20827 ntrfval 20828 clsfval 20829 mretopd 20896 neifval 20903 neif 20904 neival 20906 neiptoptop 20935 lpfval 20942 restfpw 20983 ordtbaslem 20992 islocfin 21320 dissnref 21331 kgenval 21338 dfac14lem 21420 qtopval 21498 isfbas 21633 fbssfi 21641 fsubbas 21671 fgval 21674 filssufil 21716 hauspwpwf1 21791 hauspwpwdom 21792 flimfnfcls 21832 ptcmplem1 21856 tsmsfbas 21931 eltsms 21936 ustval 22006 isust 22007 utopval 22036 blfvalps 22188 cusgrexilem1 26335 indv 30074 sigaex 30172 sigaval 30173 pwsiga 30193 pwldsys 30220 ldgenpisyslem1 30226 omsval 30355 carsgval 30365 coinflipspace 30542 iscvm 31241 cvmsval 31248 madeval 31935 altxpexg 32085 hfpw 32292 neibastop2lem 32355 fnemeet2 32362 fnejoin1 32363 bj-restpw 33045 bj-discrmoore 33066 elrfi 37257 elrfirn 37258 kelac2 37635 enmappwid 38294 rfovd 38295 rfovcnvf1od 38298 fsovrfovd 38303 fsovfd 38306 fsovcnvlem 38307 dssmapfv2d 38312 dssmapnvod 38314 dssmapf1od 38315 clsk3nimkb 38338 ntrneif1o 38373 ntrneicnv 38376 ntrneiel 38379 clsneif1o 38402 clsneicnv 38403 clsneikex 38404 clsneinex 38405 clsneiel1 38406 neicvgf1o 38412 neicvgnvo 38413 neicvgmex 38415 neicvgel1 38417 ntrelmap 38423 clselmap 38425 pwexd 39282 pwsal 40535 salexct 40552 psmeasurelem 40687 caragenval 40707 omeunile 40719 0ome 40743 isomennd 40745 |
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