Metamath Proof Explorer


Theorem nnrpd

Description: A positive integer is a positive real. (Contributed by Mario Carneiro, 28-May-2016)

Ref Expression
Hypothesis nnrpd.1 ⊢ ( 𝜑 → 𝐴 ∈ ℕ )
Assertion nnrpd ( 𝜑 → 𝐴 ∈ ℝ+ )

Proof

Step Hyp Ref Expression
1 nnrpd.1 ⊢ ( 𝜑 → 𝐴 ∈ ℕ )
2 nnrp ⊢ ( 𝐴 ∈ ℕ → 𝐴 ∈ ℝ+ )
3 1 2 syl ⊢ ( 𝜑 → 𝐴 ∈ ℝ+ )