Math

12345678910111213
Across
  1. 2. : A relation where each input has only one output
  2. 7. : A pair (a, b) where order matters
  3. 10. : The process of associating each element of one set with another
  4. 11. : The set that contains no elements
  5. 12. : The set of all first elements in a relation
  6. 13. : The set of all possible second elements
Down
  1. 1. : A subset of a Cartesian product
  2. 3. : The set of all ordered pairs formed from two sets
  3. 4. : An individual object in a set
  4. 5. : A well-defined collection of objects
  5. 6. : Another word for a rule that assigns each input a unique output
  6. 8. : The set of all second elements actually used in a relation
  7. 9. : A set that contains a countable number of elements