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Difference between revisions of "Injection"

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An '''injection''' is a "one-to-one function" in which every value in the range is the function of exactly one value in the domain.
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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]].
  
See also:
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==See also==
* [[bijection]]
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* [[Bijection]]
* [[surjection]]
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* [[Surjection]]

Revision as of 15:17, 29 June 2006

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.

See also

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