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## Homework Statement

It is clear that a countable complete metric space must have an isolated point,moreover,the set of isolated points is dense.what example is there of a countable complete metric space with points that are not isolated?

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- Thread starter hedipaldi
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- #1

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It is clear that a countable complete metric space must have an isolated point,moreover,the set of isolated points is dense.what example is there of a countable complete metric space with points that are not isolated?

- #2

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No need'I found an example.

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