- Review session
- Tomorrow (December 13), 3:00 - 4:30
- Regular classroom
- Bring questions
- Final
- Noon - 2:30, Wednesday December 14
- Regular room
- Comprehensive, but emphasizing material since 2nd hour exam (e.g., sets, functions, relations, infinite sets, etc.)
- Designed for 1 1/2 - 2 hours, you’ll have 2 1/2
- Style and rules otherwise similar to hour exams, especially open references
- ca 6 - 8 questions, including some proofs
- Donuts and cider
- SOFIs
- 11 responses (57.89%) as of this morning
- Problem set question 4b?
- Case 1: b not in A. y < b. Suppose every a in A is ≤ y. Then y is better controller for A (contradiction). So some a > y but ≤ controller b, i.e., y < a ≤ b
- Case 2: b in A. Then a = b
- Section 9.3
- Just what is the winning strategy in the dodgeball preview activity?
- Player 2 picks opposite of what player 1 did on each column
- Player 2 picks opposite of what player 1 did on each column
- Reals are uncountable
- Contradiction to assumption reals are countable / counterexample for any claimed
surjection
- Contradiction to assumption reals are countable / counterexample for any claimed
surjection