We went over the course policies, then recapped the topics of MAT2440, previewed the topics of MAT2540, and went over the first topic: proofs by mathematical induction.

Please study Sec 5.1 in the textbook, specifically the pages and examples listed below, to understand the structure of a proof by induction. (The example we did in class is also Example 1 in Sec 5.1 of the textbook),