THE LANGUAGE OF SETS

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Across
  1. 2. A category of numbers that are described in sets using the letter R
  2. 5. Sets that have no element in common
  3. 8. The set containing all objects or elements and of which all other sets are subsets.
  4. 12. the elements not in a particular set (elements not in set A)
  5. 14. The set that contains all elements of set A that also belong to B
  6. 15. The set that contains elements or objects that belong to either set A or to B or to both
Down
  1. 1. A number without fractions
  2. 3. Numbers that can be written as fractions
  3. 4. A category of numbers that are described in sets using the letter N
  4. 6. A collection of numbers or objects grouped together with a certain property in common
  5. 7. The set containing no elements
  6. 9. A real number that cannot be expressed as a fraction
  7. 10. A category of numbers that are described in sets using the letter Z
  8. 11. A part of a larger group of related things or numbers
  9. 13. The items in a set