Steiner System
A Steiner system is a set 
of 
points, and a collection of subsets of of size 
(called blocks), such that any
points of are in exactly one of the blocks. The special case 
and 
corresponds to a so-calledSteiner Triple System. For a Projective Plane, 
, 
, , and the blocks are simply lines.
References
Colbourn, C. J. and Dinitz, J. H. (Eds.) CRC Handbook of Combinatorial Designs. Boca Raton, FL: CRC Press, 1996. Woolhouse, W. S. B. ``Prize Question 1733.'' Lady's and Gentleman's Diary. 1844.
- Trigonometry Values Pi/20
- Trigonometry Values Pi/3
- Cycle (Circle)
- Cycle Graph
- Cycle (Map)
- Cycle (Permutation)
- Cyclic Graph
- Cyclic Group
- Cyclic Hexagon
- Cyclic-Inscriptable Quadrilateral
- Cyclic Number
- Cyclic Pentagon
- Cyclic Permutation
- Cyclic Polygon
- Cyclic Quadrangle
- Cyclic Quadrilateral
- Cyclic Redundancy Check
- Cyclid
- Cyclide
- Cyclidic Coordinates
- Cycloid
- Cycloid Evolute
- Cycloid Involute
- Cycloid Radial Curve
- Cyclomatic Number