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