Theorem rehalfcli

Description: Half a real number is real. Inference form. (Contributed by David Moews, 28-Feb-2017)

	Ref	Expression
Hypothesis	rehalfcli.1	|- A e. RR
Assertion	rehalfcli	|- ( A / 2 ) e. RR

Proof

Step	Hyp	Ref	Expression
1		rehalfcli.1	|- A e. RR
2		rehalfcl	|- ( A e. RR -> ( A / 2 ) e. RR )
3	1 2	ax-mp	|- ( A / 2 ) e. RR