The only closed sets are the empty set and X.

A space in which every closed set is a G set.

The closed sets, as usual, are those whose complement is open.

This will not be the case with a general rotation in 3-space, which do form a closed set under composition.

In some cases it is more convenient to use a base for the closed sets rather than the open ones.

'And you told me it was a closed set, with no visitors allowed.

That is, all of the points not belonging to a certain open sets forms a closed set.

In his view, however, liberalism is less a closed set of ideas than a complex political equation.

Every open set is the union of closed sets.

"May I ever so politely inquire what we can do for you on this closed set?"

All the changes needed to normalise 2, on the other hand, involve closed set items.

An F set is a countable union of closed sets.

In R, every closed set is the boundary of some set.

Other equivalent definitions can be given, for example, in terms of closed sets and closure.

This smallest closed set is called the closure of S (with respect to these operations).

Support: the smallest closed set whose complement has probability zero.

The indicator function of a closed set is upper semicontinuous.

A skin is an open collection of faces and a volume is a closed set.

In a metrizable space, any closed set is a G set.

All balls are both open and closed sets in the induced topology.

Define a line segment to be a closed set, containing its endpoints.

It was also filmed on location with closed sets.

(The second rule only works for a finite number of closed sets.

Systems consist of a very small number of terms which thus constitute closed sets.

Coleman's scenes were filmed over six days on a closed set with a green screen which she acted to.