Theorem zrei

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

	Ref	Expression
Hypothesis	zrei.1	|- A e. ZZ
Assertion	zrei	|- A e. RR

Proof

Step	Hyp	Ref	Expression
1		zrei.1	|- A e. ZZ
2		zre	|- ( A e. ZZ -> A e. RR )
3	1 2	ax-mp	|- A e. RR