Problems 1-4
These problems are designed to make sure you have an understanding of the basic terminology of this sectin.

Problems 5-6
These problems define the basic Venn diagrams that you will use in this chapter.

Problems 7-22
See Examples 1 and 2.

Problems 23-40
Look for a pattern.

Problems 41-54
See Figure 8.1; in each case, first decide if the given sets are disjoint or are overlapping. Then, draw the Venn diagra. note that both cats and dogs are subsets of the set

Note: Homework Hints are given only for the levels 1 and 2 problems. You can also check some sources for homework help on the Internet (see Links, below), or you can call the author at (707) 829-0606 or send an e-mail to: smithkjs@mathnature.com