Set

Definition of set

A group of objects which have the common characteristics and classified in the same group

Definition of element

Each object in a set

Definition of set notation

The use of specific symbols to represent various concepts related to set operations

Definition of empty set

A set that contains no elements

The symbol for an empty set

The symbol for "is an element of"

The symbol for "is not an element of"

The notation for "The number of elements in set A"

Definition of equal sets

Sets in which every element of the sets are the same

The symbol for "is not equal to"