Studied by 2 peopleset
a collection of objects
element
something contained in a set
set-builder notation
A={x/ x is a...} or A={0<x<10/ where x is a...}
empty set
a set containing no elements
subset
every element in set A is also an element in set B
proper subset
B is a subset of A, but B is not equal to A
equivalent set
Sets containing the same number of elements
union
the union of a and b, A U B, denotes the set combining all of the elements in both given sets
intersection
the intersection of a and b, A n B, denotes the set containing the common elements of the given sets
compliment
the compliment of C, C', contains all the elements in the universal set that are not in C
equal sets
Sets containing the same elements
Note
Flashcard