Theorem zcn

Description: An integer is a complex number. (Contributed by NM, 9-May-2004)

	Ref	Expression
Assertion	zcn	⊢ ( 𝑁 ∈ ℤ → 𝑁 ∈ ℂ )

Proof

Step	Hyp	Ref	Expression
1		zre	⊢ ( 𝑁 ∈ ℤ → 𝑁 ∈ ℝ )
2	1	recnd	⊢ ( 𝑁 ∈ ℤ → 𝑁 ∈ ℂ )