Think of a very simple topological space in the following examples:(adsbygoogle = window.adsbygoogle || []).push({});

a) (X,t) is a topological space, G is open, and G Does not equal Int(Clo(G))?

b) (X,t) is a topological space, F is closed, and F Does not equal Clo(Int (F))?

thanks for helping

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# Sample topologies

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