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| Mirrors > Home > MPE Home > Th. List > velpw | Structured version Visualization version GIF version | ||
| Description: Setvar variable membership in a power class. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| velpw | ⊢ (𝑥 ∈ 𝒫 𝐴 ↔ 𝑥 ⊆ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 3458 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | 1 | elpw 4564 | 1 ⊢ (𝑥 ∈ 𝒫 𝐴 ↔ 𝑥 ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∈ wcel 2147 ⊆ wss 3900 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 |
| 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: sspw 4571 pwv 4578 pwss 4585 snsspw 4804 pwpr 4833 pwtp 4834 pwuni 4911 sspwuni 5065 iinpw 5071 iunpwss 5072 ssextss 5428 pwin 5549 dffr6 5614 sorpsscmpl 7782 iunpw 7817 ordpwsuc 7860 fabexd 7983 abexssex 8016 qsss 8834 fsetsspwxp 8913 mapval2 8938 pmsspw 8943 uniixp 8987 fineqvlem 9295 fival 9441 hartogslem1 9573 setrec2fun 10010 tskwe 10068 cfval2 10377 cflim3 10379 cflim2 10380 cfslb 10383 compsscnvlem 10487 fin1a2lem13 10529 axdc3lem 10567 fpwwe2lem1 10755 fpwwe2lem10 10764 fpwwe2lem11 10765 fpwwe 10770 canthwe 10775 axgroth5 10948 axgroth6 10952 wuncn 11294 ishashinf 14649 vdwmc 17200 ramub2 17236 ram0 17244 restsspw 17652 ismred 17822 mremre 17824 acsfn 17883 submgmacs 18956 submacs 19073 subgacs 19421 nsgacs 19422 sylow2alem2 19883 sylow2a 19884 dprdres 20295 subgdmdprd 20301 pgpfac1lem5 20346 subrngmre 20865 subsubrng2 20867 subrgmre 20900 subsubrg2 20902 sdrgacs 21109 lssintcl 21290 lssmre 21292 lssacs 21293 cssmre 22054 istopon 23285 isbasis2g 23321 tgval2 23329 unitg 23340 distop 23368 cldss2 23403 ntreq0 23450 discld 23462 neisspw 23480 restdis 23551 cnntr 23648 isnrm2 23731 cmpcovf 23764 fincmp 23766 cmpsublem 23772 cmpsub 23773 cmpcld 23775 cmpfi 23781 is1stc2 23815 2ndcdisj 23830 llyi 23848 nllyi 23849 nlly2i 23850 llynlly 23851 subislly 23855 restnlly 23856 llyrest 23859 llyidm 23862 nllyidm 23863 islocfin 23891 ptuni2 23950 prdstopn 24002 qtoptop2 24073 qtopuni 24076 tgqtop 24086 isfbas2 24209 isfild 24232 elfg 24245 cfinfil 24267 csdfil 24268 supfil 24269 isufil2 24282 filssufilg 24285 uffix 24295 ufildr 24305 fin1aufil 24306 alexsubb 24420 alexsubALTlem1 24421 alexsubALTlem2 24422 alexsubALT 24425 ptcmplem5 24430 cldsubg 24485 ustfn 24576 ustfilxp 24587 ustn0 24595 dscopn 24947 voliunlem2 25927 vitali 25989 dmcuts 28234 madef 28279 nbuhgr 29981 nbuhgr2vtx1edgblem 29989 shex 31871 dfch2 32066 fpwrelmap 33421 xrsclat 33671 cmpcref 34593 sigaex 34853 sigaval 34854 insiga 34881 sigapisys 34899 sigaldsys 34903 measdivcst 34968 ballotlem2 35232 abweex 35842 erdszelem7 36170 erdsze2lem2 36177 rellysconn 36224 neibastop2lem 37363 neibastop3 37365 topmeet 37367 topjoin 37368 neifg 37374 mh-infprim2bi 37550 bj-snglss 38098 bj-pw0ALT 38234 bj-restpw 38283 bj-imdirval2lem 38371 bj-imdiridlem 38374 dissneqlem 38531 topdifinfeq 38541 pibt2 38608 heibor1lem 39009 psubspset 41067 psubclsetN 41259 lcdlss 42942 ismrcd1 43975 pw2f1ocnv 44310 filnm 44358 hbtlem6 44396 dfno2 44690 elmapintrab 44838 clcnvlem 44884 psshepw 45049 ssclaxsep 46236 pwclaxpow 46238 sprsymrelfo 48852 uspgrsprfo 49519 setrecsres 51201 |
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