Across
- 2. Numbers with gcd = 1 are called ...
- 4. An identity element in group theory is also called ...
- 7. f(x)=x is an ... function
- 9. Fermat primality test is not precise but ...
- 10. A relation that assigns an element from a B set to each element from an A set in a unique way
- 12. A finite, ordered list of elements
- 13. A non-empty set under a binary operation to which the associative law applies is a ...
- 14. If range and codomain of a functions coinside then the function is ...
- 15. If there are no two different input values that map to the same function value then the function is ...
- 16. Numbers that pass Fermat's Little Theorem primality tests despite being composite are ...
- 17. A ring that has multiplicative inverses for every element except 0 can be called a ...
Down
- 1. Notation g ∘ f or g(f(x)) is called a ... of functions
- 3. If the operation is commutative the group is called ...
- 5. Numbers {...-9, -2, 5, 12, 19 ...} form a ... class of the Z modulo 7 ring
- 6. If each element of the range B has exactly one preimage then the function is ...
- 8. One of primality tests is called Sieve of ...
- 11. The uniquely defined mapping g : B → A with g ∘ f= id A and f ∘ g = id B is called the ... function to f