Set Theory Part II

Channel:
United States Bill Kerney
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2,700
Published on ● Video Link: https://www.youtube.com/watch?v=oruZQ7PktuI


Duration: 54:17
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Today we went over three important parts of Set Theory:
1) Complement, which is notated by a little c above the name of the set. It means "The set of everything not in this set".
2) Intersection, notated by the wicket character, ∩, which means "The set of all elements in both sets". So A∩B means "Make a set of all the elements in BOTH A and B".
3) Union, notated by the weird cup symbol, ∪, means "Make a set of all the elements in both sets, removing any duplicates"



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Tags:
csci 1
set theory
intersection
union
complement