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Metamath Proof Explorer

Theorem zcnd

Description: An integer is a complex number. (Contributed by Mario Carneiro, 28-May-2016)

		Ref	Expression
	Hypothesis	zred.1	$⊢ φ \to A \in ℤ$
	Assertion	zcnd	$⊢ φ \to A \in ℂ$

Step	Hyp	Ref	Expression
1		zred.1	$⊢ φ \to A \in ℤ$
2	1	zred	$⊢ φ \to A \in ℝ$
3	2	recnd	$⊢ φ \to A \in ℂ$