Relatively closed
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Definition
A subset [ilmath]A[/ilmath] is relatively closed in [ilmath]Y[/ilmath][1] where [ilmath]Y[/ilmath] is a subspace of the topological space [ilmath](X,\mathcal{J})[/ilmath] if [ilmath]A[/ilmath] is closed in [ilmath]Y[/ilmath]
See also
References
- ↑ Introduction to topology - Third Edition - Mendelson
