Index set
Summary
In mathematics, an index set is a set whose members label (or index) members of another set. For instance, if the elements of a set may be indexed or labeled by means of the elements of a set , then is an index set. The indexing consists of a surjective function from onto , and the indexed collection is typically called an indexed family, often written as .
Further reading
- Wikipedia, page 393055, revision 1350537554, Index set. adopted
About this page
| Tag | RHF0MXBMBT |
|---|---|
| URI | m2://RHF0MXBMBT |
| Aliases | family-set-theory, index-sets, indexing-set |
| Kind | concept |
| Writing | W1 stated |
| Same as | |
| Changed | 4 November 2026 |
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What this page needs for W2
- edge defines in: at least one definition (0 of 1)
- edge instance_of in: at least two examples (0 of 2)
- edge not_instance_of in: at least one non-example (0 of 1)
- edge specializes both: the more general notions and the special cases (0 of 1)
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