Class 4

Wednesday, January 14

Today’s Discussion Topics

Go over discussion topic and homework from last time

Today’s New Topics

Some theorems from Incidence Geometry

Tonight’s Homework

Finish reading Chapter 2
Do Exercise 4  on page 34
Written homework is due Friday (Exercise 12, page 24)
Discussion topics for next time:

(1) What is an irrational number? (2) What is a one-to-one function?(3) What is an onto function?