Contents

# Contents

## Definition

Given a topological space $X$, then a set of subsets $\{S_i \subset X\}_{i \in I}$ is countably locally discrete or $\sigma$-locally discrete if it is a countable union of locally discrete sets of subsets.

## References

• Ryszard Engelking, General Topology, Heldermann Verlag Berlin, 1989.

• K. Kuratowski, Topology, 2014, vol. 1.

Last revised on April 10, 2019 at 04:21:09. See the history of this page for a list of all contributions to it.