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| Mirrors > Home > MPE Home > Th. List > elpwg | Structured version Visualization version Unicode version | ||
| Description: Membership in a power class. Theorem 86 of [Suppes] p. 47. See also elpw2g 4827. (Contributed by NM, 6-Aug-2000.) |
| Ref | Expression |
|---|---|
| elpwg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleq1 2689 |
. 2
| |
| 2 | sseq1 3626 |
. 2
| |
| 3 | selpw 4165 |
. 2
| |
| 4 | 1, 2, 3 | vtoclbg 3267 |
1
|
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