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Let A = {0,2,3}, B = {2,3}, C = {1,5,9}, D={3,2}, and let E={2,3,2}. Determine which...

Let A = {0,2,3}, B = {2,3}, C = {1,5,9}, D={3,2}, and let E={2,3,2}. Determine which of the following are true. Give reasons for your decisions.

  1. A = B

  2. B = D

  3. A ∩ B = B ∩ A

  4. A − B = B − A

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