Complete countable metric space

  • Thread starter hedipaldi
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  • #1
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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?

Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
210
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No need'I found an example.
 

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