Theorem fzssz

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

	Ref	Expression
Assertion	fzssz	⊢ ( 𝑀 ... 𝑁 ) ⊆ ℤ

Proof

Step	Hyp	Ref	Expression
1		elfzelz	⊢ ( 𝑥 ∈ ( 𝑀 ... 𝑁 ) → 𝑥 ∈ ℤ )
2	1	ssriv	⊢ ( 𝑀 ... 𝑁 ) ⊆ ℤ