To Know: More badges and proof quizzes will be up soon (badges are due Fridays and proofs Mondays). In the meanwhile, you can schedule an oral exam if needed for Sets II or Counting I by this Thursday, or Counting II for next Thursday.

I finished class with a theorem we didn’t get to prove; spend a few minutes pondering it; we’ll start next class there.

Read Chapter 6 up to at least the end of Section 6.2. Then do exercises from Chapter 6 Part A. Hand in at least 4 exercises. When time permits, read the rest of Chapter 6 and do some more exercises.