Lesson 2

Homework

1. Check in and go over problems

Intro Quiz

Quiz 1 on truth tables and logic

Today's Topics

1. Proofs (basic syllogism forms)
2. Counterexamples -- how do you prove that something is false? a. All prime numbers are odd. b. If it's raining, then it must be cloudy.
3. Combinatorics -- funny ways of counting things a. How do you visualize how many ways there are to rearrange a bookshelf? b. A "magic trick"

New Homework

1. See Homework2

Homework2.