Math 31 Homework #3 The dictionary is the only place where success comes before work. Arthur Brisbane

	Quiz Remember that we have a quiz on Monday 1/11 on Lectures 1 - 3.

	Reading Read what we will cover in the next class: Chapters 1, 3 When reading Chapter 1 pay special attention to the following concepts: Symmetries of the square, the Cayley Table for D4, note the definition of Dn. When reading Chapter 3 pay special attention to the following concepts: < a >, Theorem 3.4 and its proof; Z(G), Theorem 3.5 and its proof; C(a), Theorem 3.6 and its proof.

	Problems The following problems are due by the beginning of class on Friday 1/8. Prove the left cancellation half of Theorem 2.2. Ch 2 : 20, 23, 26, 27, 32. Ch 3 : 2, 3, 4, 6, 7, 8.