Theorem rrpsscn

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

	Ref	Expression
Assertion	rrpsscn	$$⊢{ℝ}^{+}\subseteq ℂ$$

Proof

Step	Hyp	Ref	Expression
1		rpcn	$$⊢x\in {ℝ}^{+}\to x\in ℂ$$
2	1	ssriv	$$⊢{ℝ}^{+}\subseteq ℂ$$