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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 3683 |
. 2
| |
| 2 | ssexg 4254 |
. . . 4
| |
| 3 | elpwg 3682 |
. . . . 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 |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 ax-sep 4233 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-v 2817 df-in 3220 df-ss 3227 df-pw 3676 |
| This theorem is referenced by: elpw2 4274 if0elpw 4276 pwnss 4277 ifelpwung 4607 pw2f1odclem 7100 elfir 7273 2omap 7282 issubm 13730 issubg 13929 issubrng 14448 issubrg 14470 islssm 14634 islssmg 14635 lspval 14667 lspcl 14668 sraval 14714 istopg 14993 uniopn 14995 iscld 15097 ntrval 15104 clsval 15105 discld 15130 neival 15137 isnei 15138 restdis 15178 cnpfval 15189 cndis 15235 blfvalps 15379 blfps 15403 blf 15404 reldvg 15673 pw1map 16908 |
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