Set notation
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8 Terms
1
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∈ meaning
membership of a set (number is in the set)
2
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∉ meaning
Non membership (number is not in the set)
3
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∅ meaning
empty set (set has no members)
4
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n(A) meaning
number of elements in set A
5
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∩ meaning
Intersection - members in both sets - A OR B
6
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∪ meaning
Union - members in either set - A AND B
7
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‘A meaning
Complement - members not in set A
8
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⊂ and ⊄ meaning
Is a subset of / is not a subset of
Note 
Flashcards (106)