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| Mirrors > Home > ILE Home > Th. List > elnnuz | Unicode version | ||
| Description: A positive integer expressed as a member of an upper set of integers. (Contributed by NM, 6-Jun-2006.) |
| Ref | Expression |
|---|---|
| elnnuz |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnuz 9908 |
. 2
| |
| 2 | 1 | eleq2i 2301 |
1
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