Art of Problem Solving

Injection: Difference between revisions

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* [[Bijection]]
* [[Bijection]]
* [[Surjection]]
* [[Surjection]]
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Revision as of 15:06, 1 January 2007

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


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