Theorem rpxrd

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

	Ref	Expression
Hypothesis	rpred.1	|- ( ph -> A e. RR+ )
Assertion	rpxrd	|- ( ph -> A e. RR* )

Proof

Step	Hyp	Ref	Expression
1		rpred.1	|- ( ph -> A e. RR+ )
2	1	rpred	|- ( ph -> A e. RR )
3	2	rexrd	|- ( ph -> A e. RR* )