## Reading Note: Introductory Combinatorics 2

Chapter 3: Pigeonhole Principle This is a reading note of Introductory Combinatorics by Richard A. Brualdi. The following aspects are ones that are most important within this chapter: Simple Version of Pigeonhole Principle Application of Simple Pigeonhole Principle Enhanced Version of Pigeonhole Principle Applications of Enhanced Pigeonhole Principle Ramsey Theorem […]