A Set for which a Topology has been specified is called a topological space (Munkres 1975, p. 76).

**References**

Berge, C. *Topological Spaces Including a Treatment of Multi-Valued Functions, Vector Spaces and Convexity.*
New York: Dover, 1997.

Munkres, J. R. *Topology: A First Course.* Englewood Cliffs, NJ: Prentice-Hall, 1975.

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1999-05-26