Sets Flashcards
0
Q
What are they represented on
A
A Venn Diagram
1
Q
Set
A
A collection of well-defined objects
Symbol is an E
2
Q
Cardinal Number
A
The number of elements in a set
The symbol is #
3
Q
Null set
A
A set with no elements
The symbol is {} or Ø
4
Q
Subset
A
If one is common to a set
C
5
Q
Improper Subset
A
The set itself and the the set with no elements
6
Q
Proper Subset
A
The proper set
7
Q
Union
A
Two sets joined together
8
Q
Intersection
A
Whats common between two sets
9
Q
Universal Set
A
Whole Set
10
Q
Set Complement
A
Take away set
11
Q
Set Difference
A
The elements that is not in both sets
