Set Theory Flashcards
1
Q
What is represented in the union of sets A and B?
A
All of the values in both set A and set B
2
Q
What is represented in the intersection of sets A and B?
A
Only the values common to both set A and set B
3
Q
How do you write union of sets A and B, in notation?
A
A∪B
4
Q
How do you write intersection of sets A and B, in notation?
A
A∩B
5
Q
If set A has p number of elements, set B has q number of elements, and set (A∩B) has r number of elements, what is the formula for set (A∪B)?
A
Set (A∪B) = p + q - r
