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

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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

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3
Q

How do you write union of sets A and B, in notation?

A

A∪B

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4
Q

How do you write intersection of sets A and B, in notation?

A

A∩B

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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

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