Limit Point
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 Setaround it intersects .
References
Lauwerier, H. Fractals: Endlessly Repeated Geometric Figures. Princeton, NJ: Princeton University Press, pp. 25-26, 1991.
- Semilatus Rectum
- Semimagic Square
- Semimajor Axis
- Semiminor Axis
- Semiperfect Magic Cube
- Semiperfect Number
- Semiperimeter
- Semiprime
- Semiprime Ring
- Semiregular Polyhedron
- Semiring
- Andrews-Curtis Link
- Andrews-Schur Identity
- Andrew's Sine
- Andrica's Conjecture
- André's Problem
- André's Reflection Method
- Anger Function
- Angle
- Angle Bisector
- Angle Bisector Theorem
- Angle Bracket
- Angle of Parallelism
- Angle Trisection
- Angular Acceleration