Theorem rpred

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

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

Proof

Step	Hyp	Ref	Expression
1		rpred.1	|- ( ph -> A e. RR+ )
2		rpssre	|- RR+ C_ RR
3	2 1	sseldi	|- ( ph -> A e. RR )