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| Mirrors > Home > ILE Home > Th. List > nn0re | GIF version | ||
| Description: A nonnegative integer is a real number. (Contributed by NM, 9-May-2004.) |
| Ref | Expression |
|---|---|
| nn0re | ⊢ (𝐴 ∈ ℕ0 → 𝐴 ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0ssre 9369 | . 2 ⊢ ℕ0 ⊆ ℝ | |
| 2 | 1 | sseli 3220 | 1 ⊢ (𝐴 ∈ ℕ0 → 𝐴 ∈ ℝ) |
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