Exercises
[15C]Let \((X,d)\) metric space and \(\mathcal F\) the set of uniformly continuous functions \(f:Xββ\), show that \(\mathcal F\) is a vector space.
This is more generally true if \(f:Xβ X_ 2\) where \(X_ 2\) is a normed vector space (to which we associate the distance derived from the norm).
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