---
tag: Y4SSFK6RJS
kind: concept
name: Sqbf
sources:
  - wikipedia: en:73634@r1376316324
    locator: Glossary of mathematical symbols, section Brackets > Square brackets
    note: adopted
    mention: wikipedia://en/73634#IFRR
    sections: [Summary]
inventory: [HWQDXQ86A9]
---

## Summary

Image of a subset: if $S$ is a [[subset|0BJR9QR08E]] of the [[domain of the function|0Q4CBD3HX0]] $f$, then $f[S]$ is sometimes used for denoting the image of $S$. When no confusion is possible, notation $f(S)$ is commonly used.