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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 7140 elfir 7312 2omap 7324 issubm 13837 issubg 14034 cntzval 14152 issubrng 14615 issubrg 14637 islssm 14802 islssmg 14803 lspval 14835 lspcl 14836 sraval 14882 aspval 15123 istopg 15242 uniopn 15244 iscld 15346 ntrval 15353 clsval 15354 discld 15379 neival 15386 isnei 15387 restdis 15427 cnpfval 15438 cndis 15484 blfvalps 15628 blfps 15652 blf 15653 reldvg 15922 pw1map 17247 |
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