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		<id>https://wiki.tachyony.co.uk/w/index.php?title=Relation&amp;diff=41269</id>
		<title>Relation</title>
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		<updated>2025-03-13T08:18:19Z</updated>

		<summary type="html">&lt;p&gt;45.149.209.57: Added grammatical relation.&lt;/p&gt;
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&lt;div&gt;{{Wiktionary|relation}}&lt;br /&gt;
{{broad-concept article}}&lt;br /&gt;
&lt;br /&gt;
&#039;&#039;&#039;Relation&#039;&#039;&#039; or &#039;&#039;&#039;relations&#039;&#039;&#039; may refer to:&lt;br /&gt;
&lt;br /&gt;
{{TOC right}}&lt;br /&gt;
== General uses ==&lt;br /&gt;
* [[International relations]], the study of interconnection  of politics, economics, and law on a global level&lt;br /&gt;
* [[Interpersonal relationship]], association or acquaintance between two or more people&lt;br /&gt;
* [[Public relations]], managing the spread of information to the public&lt;br /&gt;
* Sexual relations, or [[human sexual activity]]&lt;br /&gt;
* [[Social relation]], in social science, any social interaction between two or more individuals&lt;br /&gt;
&lt;br /&gt;
== Logic and philosophy ==&lt;br /&gt;
* [[Relation (philosophy)]], links between properties of an object&lt;br /&gt;
* [[Relational theory]], framework to understand reality or a physical system&lt;br /&gt;
&lt;br /&gt;
== Mathematics ==&lt;br /&gt;
A [[finitary relation|finitary or &#039;&#039;n&#039;&#039;-ary relation]] is a set of &#039;&#039;n&#039;&#039;-tuples. Specific types of relations include:&lt;br /&gt;
* [[Relation (mathematics)]] (an elementary treatment of binary relations)&lt;br /&gt;
* [[Binary relation]] (or diadic relation – a more in-depth treatment of binary relations)&lt;br /&gt;
* [[Equivalence relation]]&lt;br /&gt;
* [[Homogeneous relation]]&lt;br /&gt;
* [[Reflexive relation]]&lt;br /&gt;
* [[Serial relation]]&lt;br /&gt;
* [[Ternary relation]] (or triadic, 3-adic, 3-ary relation)&lt;br /&gt;
&lt;br /&gt;
Relation may also refer to:&lt;br /&gt;
* [[Directed relation]]&lt;br /&gt;
* [[Relation algebra]], an algebraic structure inspired by algebraic logic&lt;br /&gt;
&lt;br /&gt;
== Databases and ontology ==&lt;br /&gt;
* [[Relational model]], an approach to managing data&lt;br /&gt;
** [[Relation (database)]], a component of a relational database&lt;br /&gt;
** [[Relational algebra]]&lt;br /&gt;
** [[Relational calculus]]&lt;br /&gt;
** [[Relational database]], a digital database&lt;br /&gt;
* Relationships (also known as relations), one of the [[ontology components#Relationships|ontology components]]&lt;br /&gt;
&lt;br /&gt;
== Art and literature ==&lt;br /&gt;
* &#039;&#039;[[Relation aller Fürnemmen und gedenckwürdigen Historien]]&#039;&#039;, the first newspaper&lt;br /&gt;
* [[Relation (film)|&#039;&#039;Relation&#039;&#039; (film)]], a 1982 Japanese experimental short film by [[Toshio Matsumoto]]&lt;br /&gt;
* [[Relations (album)|&#039;&#039;Relations&#039;&#039; (album)]], a 2004 album of cover versions by Kathryn Williams&lt;br /&gt;
&lt;br /&gt;
== Linguistics ==&lt;br /&gt;
&lt;br /&gt;
* [[Grammatical relation]], a functional relationship between [[Constituent (linguistics)|constituents]] in a [[clause]].&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
* [[Relate (disambiguation)]]&lt;br /&gt;
* [[Relationism (disambiguation)]]&lt;br /&gt;
* [[Relationship (disambiguation)]]&lt;br /&gt;
** [[Kinship]], in anthropology and generally, the web of human social relationships, or an affinity between entities because of some characteristics&lt;br /&gt;
** [[Coefficient of relationship]] in biology&lt;br /&gt;
* [[Relative (disambiguation)]]&lt;br /&gt;
* [[Relativism]]&lt;br /&gt;
* [[Relativity (disambiguation)]]&lt;br /&gt;
* {{In title|relation}}&lt;br /&gt;
* {{In title|relations}}&lt;br /&gt;
&lt;br /&gt;
{{Disambiguation}}&lt;/div&gt;</summary>
		<author><name>45.149.209.57</name></author>
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