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Re:Ask HN: Where did you top out in math classes? by rw on Monday June 02, 2008 @12:07AM (#206429)
Set theory & mathematical logic.

Learning math is all about spending time with the material. I find that upper-level math is easier than lower-level topics. Less grunt work, more pondering.

Re:Ask HN: Where did you top out in math classes? by mnemonicsloth on Monday June 02, 2008 @12:18AM (#206437)
Foundations proofs are the worst. I can still remember proving something like "For every left-paren, there is a matching right-paren." Ugh.