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| Mirrors > Home > MPE Home > Th. List > 2pos | Structured version Visualization version GIF version | ||
| Description: The number 2 is positive. (Contributed by NM, 27-May-1999.) (Proof shortened by Umit Teoman Dogan, 10-Jun-2026.) |
| Ref | Expression |
|---|---|
| 2pos | ⊢ 0 < 2 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2nn 12288 | . 2 ⊢ 2 ∈ ℕ | |
| 2 | 1 | nngt0i 12249 | 1 ⊢ 0 < 2 |
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