---
tag: 0F0J193T76
kind: concept
name: Set bounded above
aliases: [upper-bound]
msc: [06A06]
sources:
  - url: https://en.wikipedia.org/wiki/Upper_and_lower_bounds
    locator: lead section
---

## Summary

A set of numbers is bounded above when one number is greater than or equal to every element of the set. Such a number is an upper bound of the set.
The same idea applies to a subset of any ordered set.