Study Guide 
Tucker: Applied Combinatorics 
§1.3 A Simple Counting Formula
Dr. Lee Eimers
revised 9-7-07

Introduction:  This section gives us an example of a simple relation that can be found for graphs that turns out to be quite useful.


Concepts and Vocabulary:
The following boldfaced (or italic) terms and phrases introduced in this section.
 
components
Points of Interest:

1.  Be able to give a verbal (non-mathematical) proof of the Theorem and its Corollary.


 Homework Assignment:
 Do to hand in: #3,4,6,8,10,14,15
 Enrichment problems: Anything 5 or higher not already done in class.

 Thought for the Day
Famous predictions:
 
 "Heavier-than-air flying machines are impossible."
 William Thomson, Lord Kelvin, president of the Royal Society (1890-95)
 
 "Rail travel at high speed is not possible,
 because passengers, unable to breathe, would die of asphyxia."
 Dr. Dionysus Lardner (1793-1859),
 professor of natural philosophy and astronomy,
 University College, London.