Theorem z2even

Description: 2 divides 2. That means 2 is even. (Contributed by AV, 12-Feb-2020) (Revised by AV, 23-Jun-2021)

	Ref	Expression
Assertion	z2even	$$⊢2\parallel 2$$

Proof

Step	Hyp	Ref	Expression
1		2z	$$⊢2\in \mathbb{Z}$$
2		iddvds	$$⊢2\in \mathbb{Z}\to 2\parallel 2$$
3	1 2	ax-mp	$$⊢2\parallel 2$$