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Mirrors > Home > MPE Home > Th. List > elfznn0 | Structured version Visualization version Unicode version |
Description: A member of a finite set of sequential nonnegative integers is a nonnegative integer. (Contributed by NM, 5-Aug-2005.) (Revised by Mario Carneiro, 28-Apr-2015.) |
Ref | Expression |
---|---|
elfznn0 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfz2nn0 12431 |
. 2
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2 | 1 | simp1bi 1076 |
1
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