Show that if A and B are sets, then A (A B) = A B.

Chapter 2, Problem 5E

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QUESTION:

Problem 5E

Show that if A and B are sets, then A − (A − B) = A ∩ B.

 

Questions & Answers

QUESTION:

Problem 5E

Show that if A and B are sets, then A − (A − B) = A ∩ B.

 

ANSWER:

SOLUTION

Step 1

We need to prove that for the sets A and B, .

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