The metric $d = |x-y|$ is given.
How can we say that closure of an open ball equals to closed ball with the same radius on the Euclidean space?
A general example of the equality of closure of open ball and closed ball is the Euclidean space.
Why?
The metric $d = |x-y|$ is given.
How can we say that closure of an open ball equals to closed ball with the same radius on the Euclidean space?
A general example of the equality of closure of open ball and closed ball is the Euclidean space.
Why?