Set, Subsets, and Venn Diagrams

Front

What is an Empty (or Null) Set?

Back

A set that contains no elements, denoted as {} or ∅.

Front

What does A U B represent in set notation?

Back

The union of sets A and B, which includes all elements from both sets.

Front

What is a Venn Diagram?

Back

A diagram that shows all possible logical relations between a finite collection of different sets.

Front

What does the shaded area in a Venn diagram represent?

Back

It represents the elements that belong to the specified sets.

Front

What is the notation for the complement of a set A?

Back

A' or A complement, which includes all elements not in set A.

Front

How do you find the number of elements in a set A, denoted as n(A)?

Back

Count the total number of distinct elements in set A.

Front

What is a Universal Set?

Back

A set that contains all possible elements for a particular discussion or problem.

Front

What is a Subset?

Back

A set where all its elements are also contained in another set.

Front

What does it mean if two sets are Disjointed?

Back

They have no elements in common.

Front

What is the intersection of two sets A and B, denoted as A ∩ B?

Back

The set of elements that are common to both sets A and B.