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  "body": "\n## Summary\n\nImage 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.\n",
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        "locator": "Glossary of mathematical symbols, section Brackets \u003e Square brackets",
        "mention": "wikipedia://en/73634#IFRR",
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  "markdown": "https://math2.tamnd.com/node/Y4SSFK6RJS.md",
  "msc": null,
  "name": "Sqbf",
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  "role": "",
  "source": "https://github.com/tamnd/math2/blob/main/nodes/Y4S/Y4SSFK6RJS.md",
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  "tag": "Y4SSFK6RJS",
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  "url": "https://math2.tamnd.com/wiki/sqbf/",
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