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Mirrors > Home > ILE Home > Th. List > nnap0d | Unicode version |
Description: A positive integer is apart from zero. (Contributed by Jim Kingdon, 25-Aug-2021.) |
Ref | Expression |
---|---|
nnge1d.1 |
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Ref | Expression |
---|---|
nnap0d |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnge1d.1 |
. 2
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2 | nnap0 9011 |
. 2
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3 | 1, 2 | syl 14 |
1
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