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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 4274 |
. . . 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 4251 |
| 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 4295 if0elpw 4297 pwnss 4298 ifelpwung 4629 pw2f1odclem 7139 elfir 7313 2omap 7325 issubm 13839 issubg 14036 cntzval 14154 issubrng 14617 issubrg 14639 islssm 14804 islssmg 14805 lspval 14837 lspcl 14838 sraval 14884 aspval 15125 istopg 15237 uniopn 15239 iscld 15341 ntrval 15348 clsval 15349 discld 15374 neival 15381 isnei 15382 restdis 15422 cnpfval 15433 cndis 15479 blfvalps 15623 blfps 15647 blf 15648 reldvg 15917 pw1map 17242 |
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