Sets - Math Ext.

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Across
  1. 2. The ____ of numbers/values.
  2. 4. All numbers that are original ;) Actually, all of the numbers.
  3. 5. Another name: Phi
  4. 6. The subset inside of which, reside natural numbers.
  5. 8. All numbers that are neither rational, nor whole.
  6. 10. All numbers that are not irrational.
  7. 11. I am not in you, but I am your ___________.
  8. 13. I and you have nothing in common!
  9. 14. What is B of a set A, if B's contents are present inside of A?
  10. 15. What happens when two sets combine?
Down
  1. 1. Oh come on! You know me very well... + -.
  2. 3. All numbers of nature ;) Actually, a subset of whole numbers.
  3. 7. The common numbers between two sets.
  4. 9. All content present inside of a set.
  5. 12. I contain everything inside of me.