What was difficult?
I'm struggling with the difference between corollary 2.9 and 2.10. We were told in the previous section that when it is understood we are working in Zn that we omit the brackets for the congruence classes. So, other than the fact that one of these has brackets and one doesn't, they seem to be concluding the same thing.AHHH...As I just wrote that I glanced again at the page and read again more carefully to see that for 2.10, n need not be prime...Got it.
Reflection
I was glad this section was short and that there wasn't much to read. I don't really have much to say about this topic in particular yet... I feel like I'd have more to say after doing the problems. I'm still just taking all of this (Abstract Algebra) in and seeing where it goes.
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