---
tag: 02AS45T3H9
kind: concept
name: Convex set
msc: [52A20]
sources:
  - url: https://en.wikipedia.org/wiki/Convex_set
    locator: lead section
same_as:
  wikidata: Q193657
  wikipedia: Convex set
---

## Summary

A set of points is convex if it contains the whole segment between each two of its points. A solid ball and a solid cube are convex; a crescent is not.