Monday, January 12
Today’s Discussion Topics
Go over discussion topic and homework from last time
Today’s New Topics
More on axiomatic systems and incidence geometry
The parallel postulates
Read Sections 2.3 and 2.4
Do Exercises 2, 5, 6, and 7 on pages 23-24
Turn in Friday, January 16: Exercise 12, page 24. Please remember to work alone.
Discussion topic for next time: What is an existence theorem? Uniqueness theorem?