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| Mirrors > Home > ILE Home > Th. List > elpw2g | Unicode version | ||
| Description: Membership in a power class. Theorem 86 of [Suppes] p. 47. (Contributed by NM, 7-Aug-2000.) |
| Ref | Expression |
|---|---|
| elpw2g |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elpwi 3698 |
. 2
| |
| 2 | ssexg 4272 |
. . . 4
| |
| 3 | elpwg 3696 |
. . . . 5
| |
| 4 | 3 | biimparc 299 |
. . . 4
|
| 5 | 2, 4 | syldan 282 |
. . 3
|
| 6 | 5 | expcom 116 |
. 2
|
| 7 | 1, 6 | impbid2 143 |
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 ax-sep 4249 |
| 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: elpw2 4293 if0elpw 4295 pwnss 4296 ifelpwung 4627 pw2f1odclem 7134 elfir 7307 2omap 7318 issubm 13828 issubg 14025 issubrng 14556 issubrg 14578 islssm 14743 islssmg 14744 lspval 14776 lspcl 14777 sraval 14823 aspval 15064 istopg 15149 uniopn 15151 iscld 15253 ntrval 15260 clsval 15261 discld 15286 neival 15293 isnei 15294 restdis 15334 cnpfval 15345 cndis 15391 blfvalps 15535 blfps 15559 blf 15560 reldvg 15829 pw1map 17144 |
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