The problem set is due at the
beginning of the class on Wednesday.
The numbers refer to both printed and on-line edititons.
Section 5.1: Exercises 9, 12, 14, 16, 19.
Section 5.2: Exercises 1, 2. Ignore the first
columns of tables in Section 5.2: they are confusing for us and not at
all essential for figuring out the sizes of sets Fix(g).