Question

Give an example to show that if A U B and A ∩ B are given, then A and B may not be uniquely determinable.​

Answer 1

Answer:

x E B

Step-by-step explanation:

Example 30

Show that A U B = An B implies A = B

In order to prove A = B, we should prove

• A is a subset of B i.e. A CB

& B is a subset of A i.e. B CA

Let x E A.

Then, x EA UB.

Since A UB=AnB,

XEAN B.

So, x E B.