1.1 Vocabulary Check (Basic Set Theory)

Front

What is a set with an unlimited number of elements called?

Back

Infinite Set

Front

What is the term for a collection of objects?

Back

Set

Front

Are Equal Sets always Equivalent sets?

Back

True

Front

What do you call a set that is contained within another set?

Back

Subset

Front

How is the set of the best baseball players defined?

Back

Not well defined

Front

What is a set that contains no elements called?

Back

Empty Set

Front

What is the term for the number of elements in a set?

Back

Cardinality

Front

What is the union of two sets?

Back

A set containing all elements from both sets.

Front

What is the intersection of two sets?

Back

A set containing only the elements that are in both sets.

Front

What is a proper subset?

Back

A subset that is not equal to the original set.