venn diagram terms

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Across
  1. 4. taking out a certain part out of the universal set
  2. 7. which is a member of a set
  3. 8. real number that cannot be expressed as a ratio or a fraction
  4. 10. a subsection of the variables
  5. 13. category of all sets
  6. 14. collection of a few variables, can be objects and numbers
  7. 15. when 2 sets are combined
Down
  1. 1. where the set has no elements
  2. 2. when the woman part of 2 or more sets is taken into concideration
  3. 3. Whole numbers are positive numbers, including zero, without any decimal or fractional parts. They are numbers that represent whole thing without pieces.
  4. 5. number that can be written as a ratio or as a fraction
  5. 6. whole numbers with positive, negative and a zero
  6. 9. all the numbers
  7. 11. sets when 2 or more sets are not inter combine with each other and have nothing in common
  8. 12. numbers all the numbers above 0 and including 0