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Sets and Set Notation
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Flashcards
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A ⊃ B
A is a proper superset of B
A ∩ B
Intersection of sets A and B
A' or A^c
Complement of set A
A ⊆ B
A is a subset of B
A × B
Cartesian product of sets A and B
A ∪ B
Union of sets A and B
A - B
Difference of sets A and B
A ⊇ B
A is a superset of B
A ⊂ B
A is a proper subset of B
A ∩ (B ∪ C)
Distributive property over union
(A ∩ B)'
De Morgan’s Law for intersection
A ∪ (B ∩ C)
Distributive property over intersection
(A ∪ B)'
De Morgan’s Law for union
{x | x ∈ N, x < 10}
Set-builder notation for the set of natural numbers less than 10
|A|
Cardinality of set A
∅
Empty set
A ∆ B
Symmetric difference of A and B
A = B
A is equal to B
P(A)
Power set of A
A ≠ B
A is not equal to B
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