Operations On Families
Index sets are often used in sums and other similar operations. For example, if (ai)i∈I is a family of numbers, the sum of all those numbers is denoted by
When (Ai)i∈I is a family of sets, the union of all those sets is denoted by
Likewise for intersections and cartesian products.
Read more about this topic: Indexed Family
Famous quotes containing the words operations and/or families:
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