# Countably-additive set function

From Encyclopedia of Mathematics

An additive set function defined on the algebra of subsets of a set such that

for any countable family of non-intersecting sets from .

**How to Cite This Entry:**

Countably-additive set function.

*Encyclopedia of Mathematics.*URL: http://www.encyclopediaofmath.org/index.php?title=Countably-additive_set_function&oldid=16053

This article was adapted from an original article by M.I. Voitsekhovskii (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article