Set notation is used in mathematics to essentially list numbers, objects or outcomes. This is read as 'Z is a set of the factors of 18'. This set could also be defined by us saying: Z = {1, 2, 3, 6, 9 ...
meaning the set of all strictly negative real numbers. Often you’ll see a \(|\) instead of a : in this ‘set builder notation’, it means the same thing. One of the amazing things about set theory is ...
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