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Metamath Proof Explorer

Theorem ioosscn

Description: An open interval is a set of complex numbers. (Contributed by Glauco Siliprandi, 11-Dec-2019)

		Ref	Expression
	Assertion	ioosscn	$⊢ (A, B) \subseteq ℂ$

Step	Hyp	Ref	Expression
1		ioossre	$⊢ (A, B) \subseteq ℝ$
2		ax-resscn	$⊢ ℝ \subseteq ℂ$
3	1 2	sstri	$⊢ (A, B) \subseteq ℂ$