Theorem rrpsscn

Description: The positive reals are a subset of the complex numbers. (Contributed by Glauco Siliprandi, 29-Jun-2017)

	Ref	Expression
Assertion	rrpsscn	|- RR+ C_ CC

Proof

Step	Hyp	Ref	Expression
1		rpcn	|- ( x e. RR+ -> x e. CC )
2	1	ssriv	|- RR+ C_ CC