Can you mention a set in which is neither open nor closed.

Thanks

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- November 3rd 2010, 09:53 PMosodudSet in R^2 which is neither open nor closed.
Can you mention a set in which is neither open nor closed.

Thanks - November 3rd 2010, 10:35 PMFailure
- November 4th 2010, 12:46 AMCaptainBlack