Restriction
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2008-05-18T19:57:00Z
Kalathalan
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Partial cleanup
{{wiktionarypar|restriction}}
A '''restriction''' is a specific type of [[wiktionary:rule|rule]] that defines a finite (and generally absolute) boundary defined for a type of [[process]] or function.
'''Restriction''' may also refer to:
* [[Restriction enzyme]], the restriction of the rule of sensibility of bacteria to phages.
* [[Restrictions (album)|''Restrictions'' (album)]], an album by American hard rock band Cactus.
In '''mathematics''':
* [[Restriction (mathematics)]], a type of function used in the context of sheaves
* A [[Function (mathematics)#Restrictions and extensions|restriction of a function]]
* A {{ml|Binary_relation|Restriction|restriction of a binary relation}}
In '''economics''':
* A type of boundary or [[regulation]] placed on the trade of certain goods or services
* A condition on the variables in statistics, econometrics, and [[regression analysis]]
The adjectival form, "'''restricted'''," may be used in reference to written or unwritten covenants enforcing [[racial segregation|racial or ethnic segregation]] or [[religious segregation]] — frequently [[Anti-semitism|anti-Jewish or more generally anti-Semitic]] — in housing (see "[[Restrictive covenant]]") or in organizations, such as [[country club]]s.
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