# Difference between revisions of "Monoid"

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* [http://www.haskell.org/ghc/docs/latest/html/libraries/base/Data-Monoid.html The Data.Monoid module] |
* [http://www.haskell.org/ghc/docs/latest/html/libraries/base/Data-Monoid.html The Data.Monoid module] |
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* The blog article [http://apfelmus.nfshost.com/monoid-fingertree.html Monoids and Finger Trees] |
* The blog article [http://apfelmus.nfshost.com/monoid-fingertree.html Monoids and Finger Trees] |
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+ | * [[Category theory]] |
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+ | * [http://www.cs.ru.nl/~heunen/publications/2006/arrows/arrows.pdf Arrows, like Monads, are Monoids] (PDF) |

## Revision as of 14:30, 21 January 2009

*This article is a stub. You can help by expanding it.*

A monoid is an algebraic structure with a single, associative binary operation and an identity element.

## See also

- The Data.Monoid module
- The blog article Monoids and Finger Trees
- Category theory
- Arrows, like Monads, are Monoids (PDF)