G-delta
From Encyclopedia of Mathematics
-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