Project #1003 - finite math

Whether true or false, prove why
1. True or false. A set is any collection of objects.
2. True or false. A proper subset of a set is itself a subset of the set, but not vice versa.
3. True or false. The empty set is a subset of every set.
4. True or false. If A ∪ B =  , then A =  and B = .
5. True or false. If A ∩ B =  , then A =  or B =  or both A and B are empty sets.
6. True or false. (A ∪ Ac)c =  .
7. True or false. [A ∩ (B ∪ C)]= (A ∩ B)c ∩ ( C)c
8. True or false. n(A) + n(B) = n(A ∪ B) + n( B)
9. True or false. If  B, then n(B) = n(A) + n(A B).
10. True or false. The number of permutations of n distinct objects taken all together is n!
11. True or false. P(nr) = rC(nr).

 Subject Mathematics Due By (Pacific Time) 10/18/2012 07:00 pm
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