Lesson 2

In Try This 2 you explored set notation. For a further understanding of set notation, read “Example 1” on page 8 of your textbook. Pay particular attention to the way F′ (that is, the complement of F) is represented in the Venn diagram at the bottom of the page.

Your textbook uses the symbols n(X) as shorthand for the number of elements in set X.

Self-Check 2

1. Complete “Check Your Understanding” questions 2.a. and 2.c. on page 15 of your textbook. Answer
2. Complete “Practising” questions 6 and 15 on pages 16 and 17 of your textbook. Answer

Throughout this course, you will encounter new mathematics terms that will be useful to keep track of as you move through the lessons. Use the document titled Glossary Terms. Save this document in your course folder. You will update Glossary Terms throughout the course.

Add the following terms to your copy of Glossary Terms:

• set
• element
• universal set
• subset
• complement