Math 2.0

Concept

Sqbf

Summary

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

Further reading

  1. Wikipedia, page 73634, revision 1376316324, Glossary of mathematical symbols, section Brackets > Square brackets. adopted
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Changed4 November 2026

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