To Do: Look over your Proof Quiz 7 and 8 and compare to Proof Quiz 7 Solutions and Proof Quiz 8 Solutions. I’ve also posted a video solution for Proof Quiz 8 because I had some things to say about it. Please watch the video (available on canvas).

To Do: Read Section 14.4 of your text. This has the detailed proof that I only sketched in class today. Do exercises 1 and 2 to hand in.