Some two of these will be on Exam 3, 2003
- Using any result through chapter 5, prove that, in neutral geometry,
Euclid's parallel property holds if and only if Wallis' Postulate holds. (One
direction is in text -- the other has a hint in the exercises.)
- Using any result covered so far, do number 2 on page 203.
- Prove Proposition 4.9 in the text.
- Prove Proposition 4.10 in the text.
- Prove number 5 page 166 (an uncollected homework assignment)