Friday, January 23

Today’s Discussion Topics

Go over discussion topic and homework from last time

Today’s New Topics

The Ruler Postulate and Distance
The Euclidean metric
The taxicab metric

Tonight’s Homework

Read Section 3.2
Do Exercises 1, 2, 9, and 12 (a)(b) in Section 3.2, page 45
Turn in Homework 2 on Wednesday, January 28: Exercise 3, page 45
Discussion topic for next time: What does the Plane Separation Postulate mean?