✦ LIBER ✦

Covering sets by subsets

✍ Scribed by Richard Warlimont

Book ID: 105233672
Publisher: Springer Vienna
Year: 1984
Tongue: English
Weight: 236 KB
Volume: 98
Category: Article
ISSN: 0026-9255
DOI: 10.1007/bf01540780

No coin nor oath required. For personal study only.

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We give formulae for determining the number of ways of writing a finite set as the union of a given number of subsets, in such a way that none of the subsets may be omitted. In particular, we consider the case in which the elements of the set are identical.

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