Maths Crossword

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Across
  1. 3. A point or node in a graph
  2. 4. A relation where aRb implies bRa
  3. 8. The set of all subsets of a given set
  4. 10. The set containing all objects under consideration
  5. 15. The number of elements in a set
  6. 16. A relation where every element is related to itself
  7. 17. A set having a limited number of elements
  8. 18. A diagram used to represent relationships between sets
  9. 22. A function that reverses the action of a bijective function
  10. 23. A function that is both injective and surjective
  11. 24. A function where distinct inputs have distinct outputs
Down
  1. 1. An algorithm used to find a minimum spanning tree
  2. 2. The number of edges incident to a vertex
  3. 5. A path that starts and ends at the same vertex
  4. 6. An operation combining elements from two sets
  5. 7. A relation assigning each input exactly one output
  6. 9. A set containing no elements
  7. 11. A set whose every element belongs to another set
  8. 12. A connected graph with no cycles
  9. 13. A sequence of connected vertices
  10. 14. A set of ordered pairs
  11. 19. A connection between two vertices
  12. 20. An algorithm that grows a minimum spanning tree from a starting vertex
  13. 21. A function whose image equals its codomain