Theorem recni

Description: A real number is a complex number. (Contributed by NM, 1-Mar-1995)

	Ref	Expression
Hypothesis	recni.1	$$⊢A\in ℝ$$
Assertion	recni	$$⊢A\in ℂ$$

Proof

Step	Hyp	Ref	Expression
1		recni.1	$$⊢A\in ℝ$$
2		ax-resscn	$$⊢ℝ\subseteq ℂ$$
3	2 1	sselii	$$⊢A\in ℂ$$