Question

If A is a subset of B prove that A×A is a subset of (A×B) intersection (B×A)​

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.