Part I So, yesterday I was wondering about operations on a set of sets (I’ll explain the Tweet content below, so you can just ignore it for now). when we have a set of sets S, an element belongs to the: - union of S, if it belongs to at least 1 sets in S - intersection of S, if it belongs to at least |S| sets in S - _____ of S, if it belongs to at least N sets in S what should I write in _____? — Vitor Enes (@vitorenesduarte) November 10, 2018 For example, consider that we have 3 sets: $A...
