DISCRETE STRUCTURES

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Across
  1. 2. Consist of those elements which belong to A and to B but not to both A and B.
  2. 4. Enclosed in braces {}.
  3. 6. Set of counting numbers is the smallest number common to all the sets of multiples of the given number.
  4. 8. A set whose elements unlimited.
  5. 11. A_DOWN_B=B_DOWN_A
  6. 13. Use to defined the elements of the set.
  7. 15. If A is a subset of B, then, we can say that B is a _______ of A, and wtite B_->_ A.
  8. 19. If they have no elements in common.
  9. 21. Denoted by A_down_B, is the set of all elements which are in at least A or B.
  10. 23. A_DOWN(B_DOWN_C)=(A_DOWN_B)_DOWN_C
  11. 25. The set of all elements.
  12. 26. The set of sets or collection of sets.
  13. 28. The given elements are limited or countable.
Down
  1. 1. A set containing no objects or elements.
  2. 3. The elements of a set are listed or enumerated.
  3. 5. Defined as the set of all ordered pairs.
  4. 7. If they are disjoint and if when combined collectively they form the universal set.
  5. 9. The set of elements which belongs to A but which does not belong to B.
  6. 10. Set of all possible elements under consideration.
  7. 12. A is a ____ ___ of B, denoted by "A<B" if A_<-_B and A_not=_B.
  8. 14. The set of all subsets.
  9. 16. A_DOWN(B_UP_C)=(A_DOWN_B)UP(A_DOWN_C)
  10. 17. A set with only one element.
  11. 18. The set of elements which belongs to the universal set.
  12. 20. If they have exactly the same number of elements.
  13. 22. The "=" is used to denote if two sets are ___ ____.
  14. 24. Denoted by A_<-_ B, if every element of A is contained in B.
  15. 27. A=B, if and if only A_<-_B and B_<-_A.