Chapter 8 Terms

4. Set A is a _____ of set B if every element in A is also contained in set B.
7. The _____ of set X contains all the elements NOT in set X, denoted as X'
9. Denoted by {} and contains no elements
10. The name for the set of letters: A, E, I, O, U
12. Letters in the alphabet that are not vowels
13. Say set H = {1,2,3,4,6,12}, then set H contains all the _____ of 12
14. A collection of numbers or objects
15. The _____ of set F and G contains all the elements that are either in F or G or both

1. The numbers 7, 14, 21, 28, 35, ... are all _____ of 7
2. _____ numbers are numbers that only have factors of themselves and 1
3. n(C) is the notation for the _____ of elements in set C
4. The number of months with 31 days
5. The _____ of two sets contains the elements that they have in common
6. When the intersection of two set have no elements in common, then those sets are referred to as this
8. If a number is Not prime, then it is referred to as a _____ number
9. Two sets are _____ if the contain exactly the same elements
11. Also known as a member, it is what each object in a set is called