Difference between revisions of "Injection"
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| − | An '''injection''', or "one-to-one function," is a [[function]] 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]]. | + | 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== | ==See also== | ||
* [[Bijection]] | * [[Bijection]] | ||
* [[Surjection]] | * [[Surjection]] | ||
