Theorem fzssz

Description: A finite sequence of integers is a set of integers. (Contributed by Glauco Siliprandi, 11-Dec-2019)

	Ref	Expression
Assertion	fzssz	$$⊢\left(M\dots N\right)\subseteq \mathbb{Z}$$

Proof

Step	Hyp	Ref	Expression
1		elfzelz	$$⊢x\in \left(M\dots N\right)\to x\in \mathbb{Z}$$
2	1	ssriv	$$⊢\left(M\dots N\right)\subseteq \mathbb{Z}$$