1999/05/19 by Tomek Bartoszynski
Mathematics · #math.LO
published as Real Analysis Exchange 17 (1992), no. 2, 681-701
arxiv created 1999/05/19 · arxiv updated 2009/11/30
A combinatorial characterization of measurable filters on a countable set is found. We apply it to the problem of measurability of the intersection of nonmeasurable filters.