Chapter 20
Everything You Wanted to Know about Sets and Counting
IN THIS CHAPTER
Conquering set notation
Performing algebraic operations on sets
Circling the wagons with Venn diagrams
Addressing factorials in sets
Using permutations and combinations to count set elements
Making set life easy with tree diagrams
Back in the 1970s, a book titled Everything You Always Wanted to Know About Sex — But Were Afraid to Ask (Bantam) hit the shelves of stores everywhere. The book caused quite a buzz. Nowadays, however, people don’t seem to be afraid to ask about — or inform you about — anything. So, in the modern spirit, this chapter lets it all hang out. Here you find out all the deep, dirty secrets concerning sets. I cover the union and intersection of sets, complementary sets, counting on sets, and drawing some very revealing pictures. Can you handle it?
Revealing the Set Rules
A set is ...
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