Theorem zrei

Description: An integer is a real number. (Contributed by NM, 14-Jul-2005)

	Ref	Expression
Hypothesis	zrei.1	$$⊢A\in \mathbb{Z}$$
Assertion	zrei	$$⊢A\in ℝ$$

Proof

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