Sets Flashcards
(9 cards)
1
Q
Finite set
A
Has a distinct (countable) number of elements
2
Q
Infinite set
A
Does not have a distinct number of elements
3
Q
Set
A
collection of objects
4
Q
Brackets
A
Elements listed in curly brackets
5
Q
Universal set
A
All possible elements (u)
6
Q
Compliment of a set
A
The compliment of set A is the set of all elements. (A’ or A with line on top)
7
Q
Intersection of sets
A
The intersection of Sets A and Set B is the set of all elements that are in A and B (A upside down u B)
8
Q
Union of sets
A
The union of Sets A and Set B is the set of all elements that are A or B (A U B)
9
Q
Subsets
A
A set is a subset of another and all of its elements are contained in another set. If B is a subset of A (B c with line under it A)
