Finite Set and Empty Set

Basic Concept

Finite and Infinite Set


Finite set 

The element can be listed (limited)



  • The set of all persons in your class
  • Whole numbers between 5 and 45
  • Natural numbers less than 30



Infinite set

The element cannot be listed (unlimited)



  • Set of all point in a line segment
  • Set of all natural numbers
  • Set of all integers
Empty Set or Not


Null or empty set 

Set with no elements 



The sets of triangles having 4 sides

It is an empty set, because every triangle has 3 sides



Not an empty set 

Set with elements 



The set of even prime number

It is not an empty set, because even prime number is 2.



(Next Lesson) Question 01
Kembali ke Finite Set and Empty Set