Theorem 8nn0

Description: 8 is a nonnegative integer. (Contributed by Mario Carneiro, 19-Apr-2015)

	Ref	Expression
Assertion	8nn0	$$⊢8\in {\mathbb{N}}_0$$

Proof

Step	Hyp	Ref	Expression
1		8nn	$$⊢8\in \mathbb{N}$$
2	1	nnnn0i	$$⊢8\in {\mathbb{N}}_0$$