What is Venn Diagram ? How to Represent any SET by using Venn Diagram ?

# Venn Diagram

    British mathematician John Venn (1834 - 1883 AD) introduced the concept of diagram to

     represent sets. According to him Universal set is represented by the interior of rectangle 

     and other sets are represented by interior of circles.

    e.g. : If  U = { 1,2,3,4,5 } , A = { 2,4 } , B = { 1,3 } , then these sets can be represented as :

    

    Diagramatical representation of sets is known as a Venn Diagram .