# Chapter Six: Counting Rules

6.1: The Basics of Counting Chapter 6.1

6.2: The Pigeonhole Principle Chapter 6.2

6.3: Permuation and Combinations Chapter 6.3

6.4: Binomial Coefficients and Identities Chapter 6.4

6.5: Generalized Permutations and Combinations Chapter 6.5

Extra Notes on Counting Rules Extra Chapter Notes