Sunday, May 20, 2007

Question 4

When A and b are subsets of set S, which of the following represents (¬A ∩ ¬B) Here, ¬A and ¬B are complement of subsets A and B of set S respectively, and X-Y is a difference set of set X and set Y.

a) (¬A∪¬B)-(A∩B)
b) (S-A)∪(S-B)
c) ¬A-B
d) S-(A∩B)


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