Metric Spaces MT23, Neighbourhoods

Flashcards

What does it mean for $Z \subseteq X$ to be a neighbourhood of $z$?

There exists some open ball about $z$ such that the open ball is contained in $Z$.

Course - Metric Spaces MT23^U

(outgoing)
Notes - Metric Spaces MT23, Open and closed sets^U

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Notes - Metric Spaces MT23, Limit points^U

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Notes - Metric Spaces MT23, Interiors and closures^U

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Notes - Metric Spaces MT23, Balls^U

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Lecture - Metric Spaces MT23, III^U

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