order locally finite

Last-modified: 2010-07-23 (金) 23:58:56

Definition

Let A be a subset family of a topological space X. A is said to be order locally finite if there is
a linear ordering "<" in A such that for each B in A, imgtex.fcgi?%5bres=100%5d%7b$%5c%7bB%5e%5cprime:B%5e%5cprime%20%3cB%5c%7d$%7d%25.png is locally finite at each point of A.