Revision as of 12:55, 3 July 2006 by Inscrutableroot (talk | contribs) (proofreading)

An injection, or "one-to-one function," is a function that takes distinct values on distinct inputs. Equivalently, an injection is a function for which every value in the range is the image of exactly one value in the domain.

See also

Invalid username
Login to AoPS