Across
- 2. The number of distinct elements in a set.
- 6. The method used: W={x | x is a day of the week}
- 7. True or False: {0} is an empty set.
- 8. {}
- 9. * is an ____ of the set {%, ?, *, @}
- 10. Cardinal number of a null set.
- 11. Given A = {t, a, r} and B = {a, r, t}. Set A is a ____ of set B.
- 12. What is Ԑ ?
- 15. A collection of well-defined objects.
- 16. {2020, 2021, ...} is a _____ _____of {0, 1, 2,...}
Down
- 1. The method used: The set of days in the weekend.
- 3. The set N={1, 2, 3, 4, …}.
- 4. The method used: W={Saturday, Sunday}
- 5. A set that is not finite.
- 12. Sets that have the same number of elements.
- 13. Given A = {t, a, r} and B = {a, r, t}. Sets A and B are ____ ____.
- 14. Cardinal number of {e,v,e}