Closed set
Summary
A closed set in a topological space is a set whose complement is open. In a metric space, the closed sets are the sets that contain the limits of all their convergent sequences.
What this node needs for W2
- edge instance_of in: at least two examples (0 of 2)
- edge not_instance_of in: at least one non-example (0 of 1)
- edge specializes both: the more general notions and the special cases (0 of 1)
The writing levels say how complete the text of a node is. They do not measure its truth.
Sources
- Web https://en.wikipedia.org/wiki/Closed_set, lead section
What links here
Definitions
- Closed set 0G5AV9Q4RR