closed set
noun
,
Mathematics
1.
a set that contains all of its accumulation points, as the set of points on and within a circle; a set having an open set as its complement.
British Dictionary definitions for
closed set
closed set
noun
(
maths
)
1.
a set that includes all the values obtained by application of a given operation to its members
2.
(in topological space) a set that contains all its own limit points
closed set
in Technology
mathematics
A set S is closed under an operator * if x*y is in S for all x, y in S.
(1994-12-16)