Question:Given a metric space Z and F⊆X⊆Z define F is relatively closed
in X. Show, F...
Question
Given a metric space Z and F⊆X⊆Z define F is relatively closed
in X. Show, F...
Given a metric space Z and F⊆X⊆Z define F is relatively closed
in X. Show, F is relatively closed in X if and only if there is a
closed set C⊆Z such that F=C∩X.