G-delta
From Encyclopedia of Mathematics
Revision as of 08:28, 16 August 2012 by Camillo.delellis (talk | contribs) (moved Set of type F sigma(G delta) to G-delta: Easier to find.)
-set (-set)
A union (intersection) of a countable number of closed (open) sets. See Borel set.
How to Cite This Entry:
G-delta. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=G-delta&oldid=12499
G-delta. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=G-delta&oldid=12499