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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 3659 |
. 2
| |
| 2 | ssexg 4226 |
. . . 4
| |
| 3 | elpwg 3658 |
. . . . 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 ax-sep 4205 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-v 2802 df-in 3204 df-ss 3211 df-pw 3652 |
| This theorem is referenced by: elpw2 4245 pwnss 4247 ifelpwung 4576 pw2f1odclem 7015 elfir 7166 issubm 13548 issubg 13753 issubrng 14206 issubrg 14228 islssm 14364 islssmg 14365 lspval 14397 lspcl 14398 sraval 14444 istopg 14716 uniopn 14718 iscld 14820 ntrval 14827 clsval 14828 discld 14853 neival 14860 isnei 14861 restdis 14901 cnpfval 14912 cndis 14958 blfvalps 15102 blfps 15126 blf 15127 reldvg 15396 2omap 16544 pw1map 16546 |
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