Description: A nonnegative integer is a nonnegative real number. (Contributed by AV, 24-May-2020)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | nn0rp0 | ⊢ ( 𝑁 ∈ ℕ0 → 𝑁 ∈ ( 0 [,) +∞ ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0re | ⊢ ( 𝑁 ∈ ℕ0 → 𝑁 ∈ ℝ ) | |
| 2 | nn0ge0 | ⊢ ( 𝑁 ∈ ℕ0 → 0 ≤ 𝑁 ) | |
| 3 | elrege0 | ⊢ ( 𝑁 ∈ ( 0 [,) +∞ ) ↔ ( 𝑁 ∈ ℝ ∧ 0 ≤ 𝑁 ) ) | |
| 4 | 1 2 3 | sylanbrc | ⊢ ( 𝑁 ∈ ℕ0 → 𝑁 ∈ ( 0 [,) +∞ ) ) |