Lecture 3

We covered chapter 3. We did examples of basic direct proofs. Also examples of rephrasing a claim (e.g. proof by contrapositive) and proof by cases (see sections 3.6-3.13).

Announcements

• Office hours are now posted. (Be aware that they may be tweaked as needed.)
• Folks needing DRES accommmodations should give me the details and (when needed) book a room at DRES for the first examlet (a week from Thursday).
• Folks who added late should email Margaret about an extension on moodle work.