Isolated Point

- Natural & Formal Sciences -
Mathematics & Logic Dictionary
Definition
A point of a set that has a neighborhood containing no other points of the set; equivalently a point in the set that is not an accumulation point.

Isolated Point

- Mathematics & Logic -
Pure Mathematics Dictionary
Definition
A point of a set for which there exists a neighborhood that contains no other points of the set; it is a discrete element of the set and therefore not an accumulation point.