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| Mirrors > Home > MPE Home > Th. List > 2rp | Structured version Visualization version GIF version | ||
| Description: 2 is a positive real. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| 2rp | ⊢ 2 ∈ ℝ+ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2re 12340 | . 2 ⊢ 2 ∈ ℝ | |
| 2 | 2pos 12369 | . 2 ⊢ 0 < 2 | |
| 3 | 1, 2 | elrpii 13037 | 1 ⊢ 2 ∈ ℝ+ |
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