| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > velpw | Unicode version | ||
| Description: Setvar variable membership in a power class (common case). See elpw 3694. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| velpw |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 2824 |
. 2
| |
| 2 | 1 | elpw 3694 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-in 3226 df-ss 3233 df-pw 3690 |
| This theorem is used by: sspw 3702 ordpwsucss 4716 fabexg 5582 abexssex 6358 qsss 6873 fsetsspwxp 6953 mapval2 6964 pmsspw 6969 uniixp 7009 exmidpw 7221 exmidpweq 7222 pw1fin 7223 pw1dc0el 7224 fival 7309 npsspw 7844 ballotfilem2 13285 restsspw 13661 subsubrng2 14631 subsubrg2 14662 lssintclm 14829 istopon 15256 isbasis2g 15288 tgval2 15294 unitg 15305 distop 15328 cldss2 15349 ntreq0 15375 discld 15379 neisspw 15391 restdis 15427 cnntr 15468 exmidnotnotr 17258 |
| Copyright terms: Public domain | W3C validator |