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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 3680 |
. 2
| |
| 2 | ssexg 4251 |
. . . 4
| |
| 3 | elpwg 3679 |
. . . . 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 4230 |
| 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 3219 df-ss 3226 df-pw 3673 |
| This theorem is referenced by: elpw2 4271 if0elpw 4273 pwnss 4274 ifelpwung 4604 pw2f1odclem 7089 elfir 7262 2omap 7271 issubm 13706 issubg 13911 issubrng 14367 issubrg 14389 islssm 14554 islssmg 14555 lspval 14587 lspcl 14588 sraval 14634 istopg 14913 uniopn 14915 iscld 15017 ntrval 15024 clsval 15025 discld 15050 neival 15057 isnei 15058 restdis 15098 cnpfval 15109 cndis 15155 blfvalps 15299 blfps 15323 blf 15324 reldvg 15593 pw1map 16818 |
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