Question

If A ⊂ B then (a) a ∈ A ⇒ a y B (b) a ∈ A ⇒ a ∈ B (c) a ∉ A ⇒ a ∈ B (d) a ∈ B ⇒ a ∈ A​

Answer 1

Answer:

(b) a ∈ A ⇒ a ∈ B

A ⊂ B = A is a subset of B, means all the elements of A is a element of B.

so, if a ∈ A than a ∈ B