[<< wikibooks] Convexity
This book discusses convexity, the properties of convex sets.

== Contents ==
What is a convex set? 
The intersection of convex sets is convex 
Examples of convex sets 
The convex hull 
The diameter of a set 
Convex polytopes 
Helly's theorem 
Caratheodory's theorem 
Kirchberger's theorem 
Convex functions 
The Blaschke selection theorem