Codex Wiki OurBigBook logoOurBigBook.comSite Source code
If connected subsets cover a space and every two of them intersect, then their union is connected. Equivalently, any continuous integer-valued function is constant on each member, and the intersections force all those constants to agree.

Ancestors (5)

  1. Connected space
  2. Geometry and topology
  3. Area of mathematics
  4. Mathematics
  5. Home