Sep 9 : Introduction to the course. The addition principle. Pigeonhole principle and
generalized pigeonhole principle.
Sep 11 : Counting sets of pairs. Euler's function.
Tutorial: We will have a normal lecture instead of a tutorial this week.
Sep 16 : Euler's function(cont). Functions, words and selections.
Ordered selections with and without repetitions.
Sep 20 : Ordered selections without repetitions (cont). Permutations.
Tutorial: Review Chapters 1 and 2.
Sep 23 : Permutations(cont). Binomial numbers. Unordered selections
with repetitions.
Sep 25 : Unordered selections with repetitions (cont). Binomial theorem.
The sieve principle.
Tutorial: Review Chapter 3.
To October lectures.