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what does the set notation mean. In this section we look at some mathematical notation for the ideas we learnt about sets in the last section. A B C refers to the set of elements consisting of A B and C.
And I am unsure how I would divide the reals by the naturals anyway. A is a subset of B. So if you have a set X like a b c d e f g and a set A like a c e then A.
The relation with the complement of a set is as follows.
We use to denote the universal set which is all of the items which can appear in any set. A x x x. Examples of sets are probably the best way to. A B refers to the intersection of events A and B.