1. In theorem 5.10, I am not sure where they got a(x). Actually, I am not quite sure I even understand the proof. I was about to be fine with that since we will be talking about it tomorrow in class, but then I remembered I will not be there tomorrow, so I guess I'll just have to spend a little more time on the section to make sure I understand the material better. I do not want to get behind!
2. I liked the discussion on page 130 about the implications/history of theorem 5.11 - it reminded me of the things we learned about in History of Math (math 300). It is cool to see how Abstract Algebra deals with i's.
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