---
tag: 0A1YXSKB48
kind: concept
name: Isolated point
msc: [54A05]
sources:
  - url: https://en.wikipedia.org/wiki/Isolated_point
    locator: lead section
same_as:
  wikidata: Q1142889
  wikipedia: Isolated point
---

## Summary

An isolated point of a set $S$ is a point of $S$ that has a neighbourhood with no other point of $S$.