Set Theory Vocabulary

2. (2 words) Sets that contain exactly the same elements, regardless of order or possible repetition of elements
7. The set of all elements that two (or more) sets share
8. (2 words) a set with contents that are clearly determined
9. (2 words) Sets that do not have any elements in common
11. Describes the number of elements in a set
14. Objects in a set
18. (3 words) A third way of representing sets, the most structured and "mathy" way
19. (2 words) The number that represents how many elements are in a set
21. A set that has contents that are completely within another set
24. (2 words) A way to write a set that involves the listing of elements inside a pair of braces, { }
25. (2 words) A set that does not have cardinality

1. (2 words) The union, intersection, or complement of one or more sets
3. (2 words) Used to show the visual relationship among sets, typically made up of overlapping circles
4. A collection of objects whose contents can be clearly determined
5. (2 words) A description of sets using words
6. Objects in a set
10. (2 words) A set that doesn't contain any elements
12. The set of all elements in the universal set that are not in the original set
13. (2 words) Counting numbers
15. (2 words) Sets that contain the same number of elements
16. (2 words) A set that contains all elements being considered
17. (2 words) A subset that is not equal to another set
20. (2 words) A set that doesn't contain any elements
22. (2 words) A set that has cardinality
23. The set of all elements that are members of one set or another, or both