Read: Read through end of Chapter 3.
Turn in: 3.72, 3.73, 3.75, 3.76
- For 3.72, you’ll probably want to separately show $LHS \subseteq RHS$ and $RHS \subseteq LHS$ (like earlier problems); Theorem 3.71 is helpful. There is a hint in the book.
Extra practice: 3.71, 3.74