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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 3455 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | 1 | elpw 4561 | 1 ⊢ (𝑥 ∈ 𝒫 𝐴 ↔ 𝑥 ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∈ wcel 2145 ⊆ wss 3899 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 |
| 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: sspw 4568 pwss 4581 snsspw 4804 pwpr 4861 pwtp 4862 pwv 4864 pwuni 4906 sspwuni 5060 iinpw 5066 iunpwss 5067 ssextss 5421 pwin 5542 dffr6 5607 sorpsscmpl 7748 iunpw 7783 ordpwsuc 7824 fabexd 7947 abexssex 7980 qsss 8789 fsetsspwxp 8868 mapval2 8893 pmsspw 8898 uniixp 8942 fineqvlem 9250 fival 9397 hartogslem1 9529 setrec2fun 9966 tskwe 10024 cfval2 10331 cflim3 10333 cflim2 10334 cfslb 10337 compsscnvlem 10441 fin1a2lem13 10483 axdc3lem 10521 fpwwe2lem1 10709 fpwwe2lem10 10718 fpwwe2lem11 10719 fpwwe 10724 canthwe 10729 axgroth5 10902 axgroth6 10906 wuncn 11248 ishashinf 14601 vdwmc 17149 ramub2 17185 ram0 17193 restsspw 17595 ismred 17765 mremre 17767 acsfn 17826 submgmacs 18899 submacs 19016 subgacs 19364 nsgacs 19365 sylow2alem2 19825 sylow2a 19826 dprdres 20237 subgdmdprd 20243 pgpfac1lem5 20288 subrngmre 20807 subsubrng2 20809 subrgmre 20842 subsubrg2 20844 sdrgacs 21051 lssintcl 21232 lssmre 21234 lssacs 21235 cssmre 21992 istopon 23223 isbasis2g 23259 tgval2 23267 unitg 23278 distop 23306 cldss2 23341 ntreq0 23388 discld 23400 neisspw 23418 restdis 23489 cnntr 23586 isnrm2 23669 cmpcovf 23702 fincmp 23704 cmpsublem 23710 cmpsub 23711 cmpcld 23713 cmpfi 23719 is1stc2 23753 2ndcdisj 23768 llyi 23786 nllyi 23787 nlly2i 23788 llynlly 23789 subislly 23793 restnlly 23794 llyrest 23797 llyidm 23800 nllyidm 23801 islocfin 23829 ptuni2 23888 prdstopn 23940 qtoptop2 24011 qtopuni 24014 tgqtop 24024 isfbas2 24147 isfild 24170 elfg 24183 cfinfil 24205 csdfil 24206 supfil 24207 isufil2 24220 filssufilg 24223 uffix 24233 ufildr 24243 fin1aufil 24244 alexsubb 24358 alexsubALTlem1 24359 alexsubALTlem2 24360 alexsubALT 24363 ptcmplem5 24368 cldsubg 24423 ustfn 24514 ustfilxp 24525 ustn0 24533 dscopn 24885 voliunlem2 25865 vitali 25927 dmcuts 28170 madef 28215 nbuhgr 29917 nbuhgr2vtx1edgblem 29925 shex 31807 dfch2 32002 fpwrelmap 33318 xrsclat 33565 cmpcref 34475 sigaex 34735 sigaval 34736 insiga 34763 sigapisys 34781 sigaldsys 34785 measdivcst 34850 ballotlem2 35114 erdszelem7 35941 erdsze2lem2 35948 rellysconn 35995 neibastop2lem 37128 neibastop3 37130 topmeet 37132 topjoin 37133 neifg 37139 mh-infprim2bi 37315 bj-snglss 37863 bj-pw0ALT 37944 bj-restpw 37993 bj-imdirval2lem 38083 bj-imdiridlem 38086 dissneqlem 38243 topdifinfeq 38253 pibt2 38320 heibor1lem 38723 psubspset 40781 psubclsetN 40973 lcdlss 42656 ismrcd1 43688 pw2f1ocnv 44023 filnm 44076 hbtlem6 44115 dfno2 44413 elmapintrab 44561 clcnvlem 44608 psshepw 44773 ssclaxsep 45950 pwclaxpow 45952 sprsymrelfo 48548 uspgrsprfo 49215 setrecsres 50764 |
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