Across
- 2. - In logic, means
- 4. - The smallest infinity, cardinality of natural numbers
- 6. - The set of all quaternion numbers
- 12. - Both sets have the same elements
- 13. - Objects that belong to both set A and set B
- 15. - Set A includes set B (A may be equal to B )
Down
- 1. - All objects that do not belong to set A
- 3. - A collection of elements
- 5. - The set of all possible elements under discussion
- 7. - The set of all octonion numbers
- 8. - The set of all subsets of A (alternative notation for 2ᴬ)
- 9. - Objects that belong to set A or set B (or both)
- 10. - A set with no elements, denoted as Ø = { }
- 11. - The set of all sedenion numbers
- 14. - Set A is included in set B (A may be equal to B )