Thursday, September 8, 2011

Section 2.4.2, due on September 8

At first, I did not understand Wilson's theorem. I did not think that it was proven that each identity had a unique inverse and vice verse. That sort of threw me off. Other than that, it all made sense.

The most interesting part for me was discovering that Zn is a field when n is prime. That still sort of blows my mind because they are integers. There is the well ordering principle, yet it is also a field.

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