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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 3677 |
. 2
| |
| 2 | ssexg 4248 |
. . . 4
| |
| 3 | elpwg 3676 |
. . . . 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 2214 ax-sep 4227 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-v 2814 df-in 3216 df-ss 3223 df-pw 3670 |
| This theorem is referenced by: elpw2 4268 if0elpw 4270 pwnss 4271 ifelpwung 4601 pw2f1odclem 7086 elfir 7259 2omap 7268 issubm 13674 issubg 13879 issubrng 14333 issubrg 14355 islssm 14492 islssmg 14493 lspval 14525 lspcl 14526 sraval 14572 istopg 14851 uniopn 14853 iscld 14955 ntrval 14962 clsval 14963 discld 14988 neival 14995 isnei 14996 restdis 15036 cnpfval 15047 cndis 15093 blfvalps 15237 blfps 15261 blf 15262 reldvg 15531 pw1map 16756 |
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