True or false. A set is any collection of objects. True or false. A proper subse

Question

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)]c= (A ? B)c ?  (A ?  C)c
8. True or false. n(A) + n(B) = n(A ?  B) + n(A ?  B)
9. True or false. If A ? B, then n(B) = n(A) + n(Ac? B).
10. True or false. The number of permutations of n distinct objects taken all together is n!
11. True or false. P(n, r) = r! C(n,

Explanation / Answer

1)T

2)T

3)T

4)T

5)F

6)T

7)T

8)T

9)T

10)T

11)T

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