| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 3662 |
. 2
| |
| 2 | ssexg 4229 |
. . . 4
| |
| 3 | elpwg 3661 |
. . . . 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2212 ax-sep 4208 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1810 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-v 2803 df-in 3205 df-ss 3212 df-pw 3655 |
| This theorem is referenced by: elpw2 4248 if0elpw 4250 pwnss 4251 ifelpwung 4580 pw2f1odclem 7025 elfir 7177 issubm 13578 issubg 13783 issubrng 14237 issubrg 14259 islssm 14395 islssmg 14396 lspval 14428 lspcl 14429 sraval 14475 istopg 14752 uniopn 14754 iscld 14856 ntrval 14863 clsval 14864 discld 14889 neival 14896 isnei 14897 restdis 14937 cnpfval 14948 cndis 14994 blfvalps 15138 blfps 15162 blf 15163 reldvg 15432 2omap 16654 pw1map 16656 |
| Copyright terms: Public domain | W3C validator |