E. Set Theory

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Across
  1. 1. infinite cardinality of natural number set.
  2. 4. set of all orderd pairs from A and B
  3. 12. not set membership
  4. 13. objects that belong to A and not to B
  5. 15. Ø = { }
Down
  1. 2. set of all possible values
  2. 3. all the objects that do not belong to set A
  3. 5. cardinality of countable ordinal number set
  4. 6. objects that belong to set A or B
  5. 7. objects that belong to set A and B
  6. 8. set A has more elements or equal to the set B, A ⊇ B
  7. 9. such that
  8. 10. a collection of elements
  9. 11. collection of z elements
  10. 14. both sets have the same members