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The set of integers. Since it is a set of points, each point is closed. How would I show a countable covering.

- Thread starter dwsmith
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- Thread starter
- #1

The set of integers. Since it is a set of points, each point is closed. How would I show a countable covering.

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- #2

- Jan 26, 2012

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How about a small $\epsilon$ interval about each integer, with $\epsilon<1/2$?

The set of integers. Since it is a set of points, each point is closed. How would I show a countable covering.