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Is It True That (A X A) (B X B) = (A | B) X AB For Any Two Sets A, B? If It Is True, Prove It. Otherwise, Find A Counterexample.

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Final answer:

The equation (A X A) (B X B) = (A | B) X AB is not true for any two sets A and B.

Step-by-step explanation:

To determine if the equation (A X A) (B X B) = (A | B) X AB holds for any two sets A and B, we can expand both sides of the equation and compare them. Let's start by expanding the left side:

(A X A) (B X B) = a1, a2 ∈ A b1, b2 ∈ B

By applying the definition of Cartesian product, we can further simplify it to:

(A X A) (B X B) = (a1, a2, b1, b2)

Now, let's expand the right side of the equation:

(A | B) X AB = c ∈ (A

Using the definitions of union and intersection, we can rewrite it as:

(A | B) X AB = (c, d)

By applying the definition of Cartesian product again, we can rewrite it as:

(A | B) X AB = (c ∈ A or c ∈ B), d, e ∈ A and (d, e) ∈ B

Comparing the expanded versions of both sides of the equation, we can see that they are not equal. Therefore, the equation (A X A) (B X B) = (A | B) X AB is not true for any two sets A and B.

User Hughjdavey
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