Tuesday, June 5, 2007

Question 5

Which of the following is equivalent to the difference set S-T? In this problem, ∪represents “sum” , ∩ represents “product”, and c represents “complement”

a) S ∪ ( S ∩ T )
b) S ∪ Tc
c) S ∩ ( S ∪ T )
d) S ∩ Tc

answer

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