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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 3697 |
. 2
| |
| 2 | ssexg 4270 |
. . . 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 |
| 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 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 4247 |
| This theorem 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 referenced by: elpw2 4291 if0elpw 4293 pwnss 4294 ifelpwung 4625 pw2f1odclem 7128 elfir 7301 2omap 7312 issubm 13762 issubg 13959 issubrng 14490 issubrg 14512 islssm 14677 islssmg 14678 lspval 14710 lspcl 14711 sraval 14757 aspval 14998 istopg 15083 uniopn 15085 iscld 15187 ntrval 15194 clsval 15195 discld 15220 neival 15227 isnei 15228 restdis 15268 cnpfval 15279 cndis 15325 blfvalps 15469 blfps 15493 blf 15494 reldvg 15763 pw1map 17008 |
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