Theorem 2dvdseven

Description: 2 divides an even number. (Contributed by AV, 18-Jun-2020)

	Ref	Expression
Assertion	2dvdseven	|- ( Z e. Even -> 2 || Z )

Proof

Step	Hyp	Ref	Expression
1		iseven2	|- ( Z e. Even <-> ( Z e. ZZ /\ 2 || Z ) )
2	1	simprbi	|- ( Z e. Even -> 2 || Z )