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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 3454 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | 1 | elpw 4560 | 1 ⊢ (𝑥 ∈ 𝒫 𝐴 ↔ 𝑥 ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∈ wcel 2144 ⊆ wss 3895 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 |
| 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: sspw 4567 pwv 4574 pwss 4581 snsspw 4798 pwpr 4827 pwtp 4828 pwuni 4905 sspwuni 5059 iinpw 5065 iunpwss 5066 ssextss 5420 pwin 5541 dffr6 5606 sorpsscmpl 7751 iunpw 7786 ordpwsuc 7827 fabexd 7950 abexssex 7983 qsss 8800 fsetsspwxp 8879 mapval2 8904 pmsspw 8909 uniixp 8953 fineqvlem 9261 fival 9408 hartogslem1 9540 setrec2fun 9977 tskwe 10035 cfval2 10342 cflim3 10344 cflim2 10345 cfslb 10348 compsscnvlem 10452 fin1a2lem13 10494 axdc3lem 10532 fpwwe2lem1 10720 fpwwe2lem10 10729 fpwwe2lem11 10730 fpwwe 10735 canthwe 10740 axgroth5 10913 axgroth6 10917 wuncn 11259 ishashinf 14612 vdwmc 17162 ramub2 17198 ram0 17206 restsspw 17608 ismred 17778 mremre 17780 acsfn 17839 submgmacs 18912 submacs 19029 subgacs 19377 nsgacs 19378 sylow2alem2 19838 sylow2a 19839 dprdres 20250 subgdmdprd 20256 pgpfac1lem5 20301 subrngmre 20820 subsubrng2 20822 subrgmre 20855 subsubrg2 20857 sdrgacs 21064 lssintcl 21245 lssmre 21247 lssacs 21248 cssmre 22005 istopon 23236 isbasis2g 23272 tgval2 23280 unitg 23291 distop 23319 cldss2 23354 ntreq0 23401 discld 23413 neisspw 23431 restdis 23502 cnntr 23599 isnrm2 23682 cmpcovf 23715 fincmp 23717 cmpsublem 23723 cmpsub 23724 cmpcld 23726 cmpfi 23732 is1stc2 23766 2ndcdisj 23781 llyi 23799 nllyi 23800 nlly2i 23801 llynlly 23802 subislly 23806 restnlly 23807 llyrest 23810 llyidm 23813 nllyidm 23814 islocfin 23842 ptuni2 23901 prdstopn 23953 qtoptop2 24024 qtopuni 24027 tgqtop 24037 isfbas2 24160 isfild 24183 elfg 24196 cfinfil 24218 csdfil 24219 supfil 24220 isufil2 24233 filssufilg 24236 uffix 24246 ufildr 24256 fin1aufil 24257 alexsubb 24371 alexsubALTlem1 24372 alexsubALTlem2 24373 alexsubALT 24376 ptcmplem5 24381 cldsubg 24436 ustfn 24527 ustfilxp 24538 ustn0 24546 dscopn 24898 voliunlem2 25878 vitali 25940 dmcuts 28183 madef 28228 nbuhgr 29930 nbuhgr2vtx1edgblem 29938 shex 31820 dfch2 32015 fpwrelmap 33372 xrsclat 33619 cmpcref 34529 sigaex 34789 sigaval 34790 insiga 34817 sigapisys 34835 sigaldsys 34839 measdivcst 34904 ballotlem2 35168 abweex 35770 erdszelem7 36049 erdsze2lem2 36056 rellysconn 36103 neibastop2lem 37241 neibastop3 37243 topmeet 37245 topjoin 37246 neifg 37252 mh-infprim2bi 37428 bj-snglss 37976 bj-pw0ALT 38057 bj-restpw 38106 bj-imdirval2lem 38197 bj-imdiridlem 38200 dissneqlem 38357 topdifinfeq 38367 pibt2 38434 heibor1lem 38837 psubspset 40895 psubclsetN 41087 lcdlss 42770 ismrcd1 43803 pw2f1ocnv 44138 filnm 44186 hbtlem6 44225 dfno2 44523 elmapintrab 44671 clcnvlem 44717 psshepw 44882 ssclaxsep 46066 pwclaxpow 46068 sprsymrelfo 48673 uspgrsprfo 49340 setrecsres 50964 |
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