Question

How can you find thhe difference of two sets?

Answer 1

Answer:

The difference of two sets, written A - B is the set of all elements of A that are not elements of B.

...

For all sets A, and B and D we have:

1) A - A =∅

2) A - ∅ = A.

3) ∅ - A = ∅

4) A - U = ∅

5) (AC)C = A.

6) DeMorgan's Law I: (A ∩ B)C = AC ∪ B. C

7) DeMorgan's Law II: (A ∪ B)C = AC ∩ B. C

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