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'''Rule''' or '''ruling''' may refer to:

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== Human activity ==
* [[Norm (philosophy)]], a kind of sentence or a reason to act, feel or believe
* The exercise of [[political]] or personal control by someone with authority or power
* [[Business rule]], a rule pertaining to the structure or behavior internal to a business
* [[School rule]], a rule that is part of school discipline
* [[Sport rule]], a rule that defines how a sport is played
* [[Game rule]], a rule that defines how a game is played
* [[Morality]], a rule or element of a moral code for guiding choices in human behavior
* [[Social norm]], explicit or implicit rules used within society or by a group
* [[Rule of thumb]], a principle with broad application that is not intended to be strictly accurate or reliable for every situation
* [[Unspoken rule]], an assumed rule of human behavior that is not voiced or written down

== Science ==
* [[Ruler]] or "rule"; a distance measuring device
* [[Slide rule]], a mechanical analog computer
* [[Rule of inference]] or transformation rule, a term in logic for a function which takes premises and returns a conclusion
* [[Phrase structure rule]] or rewrite rule, used in some theories of linguistics
* "Rule ''X''" [[elementary cellular automaton]], where X is a number between 0-255 characterizing a specific model (e.g. ''Rule 110'')
* [[Phonological rule]]

== Law and government ==
<!--[[File:Atlantic City Beach - Rules (2013).jpg|thumb|Example of rules from sign at Atlantic City Beach]]-->
* [[Advance tax ruling]], a tool for conforming taxation arrangements
* [[Court order]], a decision by a court
* [[Government]]
* In [[rulemaking]] by the federal government of the United States, a regulation mandated by Congress, but written or expanded upon by the executive branch
* [[Law]], which may informally be called a "rule"
* [[Military dictatorship|Military rule]], governance by a military body
* [[Monastic rule]], a collection of precepts that guides the life of monks or nuns in a religious order
* [[Procedural law]], a ruleset governing the application of laws to cases
* [[Rule of law]], government based not on arbitrary decisions of officials but on laws

==Geography==
* [[Rule, Arkansas]]
* [[Rule, Texas]]

== Literature ==
* ''[[The Rules]]'', bestselling self-help book
* [[Rules (novel)|''Rules'' (novel)]], 2007 Newbery Honor book by Cynthia Lord
* "[[The Rulers]]", a science fiction short story by A. E. van Vogt

==Music==
* [[Ja Rule]] (born 1976), hip hop artist

===Albums===
* ''[[R.U.L.E.]]'', by Ja Rule, 2004
* ''Rule'', by [[Anna Tsuchiya]], 2010
* [[Rules (album)|''Rules'' (album)]], by the Whitest Boy Alive, 2009
* ''Rules'', by [[First Blood (band)|First Blood]], 2017
* ''Rules!'', by [[Manila Luzon]], 2019

===Songs===
* [[Rule (Nas song)|"Rule" (Nas song)]], 2001
* [[Rule/Sparkle|"Rule"/"Sparkle"]], a double A-side by Ayumi Hamasaki, 2009
* "Rule", by X Ambassadors from ''[[Orion (X Ambassadors album)|Orion]]'', 2019
* [[Rules (Doja Cat song)|"Rules" (Doja Cat song)]], 2019
* [[Rules (KMFDM song)|"Rules" (KMFDM song)]], 1996
* "Rules", by Shakira from ''[[Laundry Service (album)|Laundry Service]]'', 2001
* "The Rules", by XO-IQ, featured in the television series ''[[Make It Pop]]''

== Other uses ==
* [[Rule (surname)]]
* [[The Rule (film)|''The Rule'' (film)]], a 2014 American documentary
* [[Ruler (film)|''Ruler'' (film)]], a 2019 India Telugu-language film
* ''[[Pushpa: The Rule]]'', a 2024 Indian period action film
* ''[[Rules: Pyaar Ka Superhit Formula]]'', a 2003 Bollywood film
* rule: a snippet of code which can perform [[email filtering]]
* [[Rule (horse)]] (born 2007), American racehorse
* [[Rules (restaurant)]], upscale English restaurant in London
* ''[[Rules!]]'', a 2014 iOS video game
* [[Rule 1 (Batwoman)|"Rule #1" (''Batwoman'')]]
* [[Royal University of Law and Economics]], a university in Cambodia

==See also==
* {{look from|Rule}}
* {{look from|Rule of}}
* {{look from|Rules of}}
* {{look from|Rules for}}
* [[Debate (parliamentary procedure)]] for rules governing discussion on the merits of a pending question.

{{disambiguation|geo}}