Can anyone give an example showing that the interior of S is not the same as the interior of the closure of S? Thanks
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Originally Posted by wxyj Can anyone give an example showing that the interior of S is not the same as the interior of the closure of S? Thanks Let S be the rationals. Then Int(S) is empty, whereas Int(Cl(S)) = R.
Originally Posted by rn443 Let S be the rationals. Then Int(S) is empty, whereas Int(Cl(S)) = R. neat example..
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