Assignments for Weeks 4 and 5

Remember that your first paper is due Friday, Feb. 20.

Reading

Read the "Betweenness" part of Chapter 3 (up to p. 119). (Deemphasize "Affine planes over ordered fields", pp. 117-118.)

Discussion questions

Each team is responsible for leading the class discussion of one of the propositions in the main text left as exercises:

Homework due Wednesday, Feb. 25 (in Week 6)

  1. Exercise 1, p. 146.
  2. Exercise 2(c), p. 146.
  3. Exercise 3(a,b), p. 146. <- In 3(a), "CD" should be "CB".
  4. Exercise 4, p. 146.
  5. Exercise 15, p. 149.
  6. Exercise 18, p. 149.

In addition, each team should turn in a single written version of its proof.