Unformatted text preview: ∩ B i ) ⊆ (u i ∈ I A i ) ∩ (u i ∈ I B i ) . b. Construct an example where the two sets above are not equal. 2 Prove that for every integer n , 21  n iF 3  n and 7  n . 3 Prove that u ( F ∪ G ) = ( u F ) ∪ ( u G )....
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 Fall '09
 LARSON
 Weekday names, Monday

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