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Metamath Proof Explorer

Theorem zsscn

Description: The integers are a subset of the complex numbers. (Contributed by NM, 2-Aug-2004)

		Ref	Expression
	Assertion	zsscn	$⊢ ℤ \subseteq ℂ$

Step	Hyp	Ref	Expression
1		zcn	$⊢ x \in ℤ \to x \in ℂ$
2	1	ssriv	$⊢ ℤ \subseteq ℂ$