=(B’∩A’) ∪A

Distributive property, similar to 4 * (6 + 3) = 4*6 + 4*3

*=(A∪B’)∩(A∪A’)

(A∪A’) is the universal set: U

*=(A∪B’)∩U

C∩U = C is true for any set C.

*=A∪B’

-O

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- March 14th 2009, 07:14 PM #1

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- March 14th 2009, 08:46 PM #2

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