What was the most difficult part of the material for you?
In the part of the section that discussed quantified statements with two variables, I had a hard time understanding the definition of the negation of these statements. It seemed like there could have been a chance for other options to appear, where the statement starts with "for all" with one variable and "at least one" for another variable. But after reading over the section again it made sense that those sorts of statements don't fit as a negation for the original statement.
What was the most interesting part of the material for you?
I really enjoyed learning the symbols for the universal quantifier and existential quantifier. Those concepts occur very often in other areas of math, and it will be more efficient to simply write those symbols to communicate in math.
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