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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nn0uz 11722 |
. 2
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2 | 1 | eleq2i 2693 |
1
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