Question

What is the difference between ∈ and⊂?

Answer 1

∈ , it means belongs to , So suppose a set A = { 1,2,3}
Then 1 ∈ A , here belongs to deal with a single element . Here we are dealing with a element and a set

And ⊂ means subset of , so here we are dealing with two sets ,
So {1} ⊂ {1,2,3}