(difficult)
Homomorphisms, isomorphisms were the most difficult parts for me. Switching back and forth between additive and multiplicative groups. Those funny groups formed by
(reflective)
It's interesting to see the tie in from rings to groups. There was the discussion in class of the optimal way to approach the course. I wonder if, in other books, rings are treated like special groups. Obviously, rings require additional and more complex axioms. But perhaps group theory is richer, and so deserves to be treated second?
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