A function from a set A to a set B is an injection (injective function, one-to-one function) if every element in B corresponds to a most one element in A.
See also[]
- surjection
- one-to-one corespondence
A function from a set A to a set B is an injection (injective function, one-to-one function) if every element in B corresponds to a most one element in A.