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| Mirrors > Home > MPE Home > Th. List > elnn0uz | Structured version Visualization version Unicode version | ||
| Description: A nonnegative integer expressed as a member an upper set of integers. (Contributed by NM, 6-Jun-2006.) |
| Ref | Expression |
|---|---|
| elnn0uz |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0uz 11722 |
. 2
| |
| 2 | 1 | eleq2i 2693 |
1
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