1) In R3 closure of an open ball is a closed ball, but this may not hold in general metric spaces.(adsbygoogle = window.adsbygoogle || []).push({});

Can somebody give an example explaining the above statement?

2) what is a separable space?

some good references are welcome.

thanks for your help in advance.

aditya.

www.geocities.com/aditya_tatu

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# Closure of an open ball and separable space?

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