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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 |
|
| Ref | Expression |
|---|---|
| nnap0d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnge1d.1 |
. 2
| |
| 2 | nnap0 9019 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
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