A number such that for all , there exists a member of the Set different from such that . The topological definition of limit point of is that is a point such that every Open Set around it intersects .

**References**

Lauwerier, H. *Fractals: Endlessly Repeated Geometric Figures.* Princeton, NJ: Princeton
University Press, pp. 25-26, 1991.

© 1996-9

1999-05-25