What was the most interesting part of the material for you?
I think the Schröder-Bernstein Theorem is cool, because it allows us more flexibility in making comparisons between the sizes of infinite sets. This is very similar to showing sets are equal by showing they are subsets of each other.
What was the most difficult part of the material for you?
I don't quite yet understand the proof for the Schröder-Bernstein Theorem. When we go over it in class, I'm sure it will make more sense. The proofs for the other theorems in this section make sense to me.
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