Please read Section 1.3 and do as many Exercises as there’s time for (all are good ones). If anything refers to a Cartesian product (e.g. Exercises Part C), feel free to read ahead Section 1.2 for explanation, or wait until we cover that later.

Monday there ought to be a proofs quiz (according to the schedule) but with the holiday we have had very little time for more work on proofs, so we will skip the proofs quiz for the week of Jan 27th.