(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

is the set of integers open or closed

2. Relevant equations

3. The attempt at a solution

I thought not closed

open because R/Z=Union of open intervals

like ....U(-1,0)U(0,1)U.....

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# Homework Help: Set of integers

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