Assignments for Weeks 6 and 7

Midterm test on Friday, October 16, covers through "Congruence". Revised paper is due Friday, October 23.

Reading

Read the remainder of Chapter 3. Deemphasize the three proofs on pp. 133-134 and 136-137, the "notes for advanced students" on pp. 141-142 and 143-144, and any field theory you don't understand on pp. 139-141.

Discussion questions

We will work on these in class:

Homework due Wednesday, October 21 (in Week 8)

  1. Exercise 26, p. 151. (Prop. 3.17)
  2. Exercise 27, p. 152. (Prop. 3.18)
  3. Formulate and prove an analogue of Prop. 3.12 for angles. (W)
  4. Exercise 31, p. 152. (Use the lemma you proved in the previous problem!)
  5. Exercise 32, p. 152. (Prop. 3.22)
  6. Exercise 34, p. 152.
  7. Read the proofs in Exercises 20 and 24 (Props. 3.11 and 3.14) but don't hand anything in.