Question

Define : Equal sets:

Answer 1

Two sets P and Q containing the same elements are called equal sets.

Here, P = Q iff a ∈ P ⇒ a ∈ Q and a ∈ Q ⇒ a ∈ P. 

Ex. P = {letters of the word ‘ramp’} 

Q = {letters of the word ‘pram ’} 

⇒ P = Q