Theorem nnrei

Description: A positive integer is a real number. (Contributed by NM, 18-Aug-1999)

	Ref	Expression
Hypothesis	nnre.1	$$⊢A\in \mathbb{N}$$
Assertion	nnrei	$$⊢A\in ℝ$$

Proof

Step	Hyp	Ref	Expression
1		nnre.1	$$⊢A\in \mathbb{N}$$
2		nnre	$$⊢A\in \mathbb{N}\to A\in ℝ$$
3	1 2	ax-mp	$$⊢A\in ℝ$$