Discussion was on practice for the final. Question involved the equation f(p,q)=min(1-p,q). That equation is basically the mathematical representation of the truth value of an if/then statement. The only way to get 0 is if you go from truth (if true statement...) to falsity (... then false statement.).
"So how do we deal with the comma? Is it like an and?"
Fact: we covered this in the 2nd week and it was on our first midterm. And besides, this is middle-school level stuff, especially compared to what we're studying now.