A number such that for all , there exists a member of the set different from such that .
The topological definition of limit point of is that is a point such that every open set around it contains at least one point of different from .
A number such that for all , there exists a member of the set different from such that .
The topological definition of limit point of is that is a point such that every open set around it contains at least one point of different from .
Weisstein, Eric W. "Limit Point." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/LimitPoint.html