A set is denoted by capital letter symbol

Eg: A = {1, 2, 3, 4, 5}

Here A is the set.

1, 2, 3, 4, 5 are elements of set .

 

We can also write

1 belongs to A

i.e.1 A

 

Similarly,

2 ∈ A

3 ∈ A

4 ∈ A

5 ∈ A

 

Since, 6 is not in set A,

We write, 6 doesn’t belong to A

i.e. 6 ∉ A

 

 

  1. Chapter 1 Class 11 Sets
  2. Concept wise

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.