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| Mirrors > Home > MPE Home > Th. List > elpwi | Structured version Visualization version Unicode version | ||
| Description: Subset relation implied by membership in a power class. (Contributed by NM, 17-Feb-2007.) |
| Ref | Expression |
|---|---|
| elpwi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elpwg 4166 |
. 2
| |
| 2 | 1 | ibi 256 |
1
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