Question

If A= {, , , } and B={, , , } then A ⊆ B​

Answer 1

Answer:

If A and B are sets,and the intersection of A and B is equal to A, then the elements in A are in both the set A and B. Therefore, the set of A is a subset of B since all the elements are contained in the interesection of sets A and B are equal to A.