distance to a set
We also write .
Suppose that are points in , and is non-empty. Then we have the following triangle inequality
If is only a pseudo-metric space, then the above definition and triangle-inequality also hold.
- 1 J.L. Kelley, General Topology, D. van Nostrand Company, Inc., 1955.
|Title||distance to a set|
|Date of creation||2013-03-22 13:38:37|
|Last modified on||2013-03-22 13:38:37|
|Last modified by||bbukh (348)|