Theorem 2cnd

Description: The number 2 is a complex number, deduction form. (Contributed by David A. Wheeler, 8-Dec-2018)

	Ref	Expression
Assertion	2cnd	⊢ ( 𝜑 → 2 ∈ ℂ )

Proof

Step	Hyp	Ref	Expression
1		2cn	⊢ 2 ∈ ℂ
2	1	a1i	⊢ ( 𝜑 → 2 ∈ ℂ )