To Know: Many badges quizzes are available for Friday! Please take any of them that you haven’t already earned. Reminder that Thursday is the last day for the oral exam for Sets I.

To Know: A proof quiz (#3) is up and available, due Monday.

To Do: Practice counting! Work problems from Sections 3.2, 3.3, 3.4, 3.5. We’ve basically covered all these. Hand in a representative sample. Come to office hours with any you aren’t sure about.