Look up relation in Wiktionary, the free dictionary.
Relation or relations may refer to:
General usesEdit
- International relations, the study of interconnection of politics, economics, and law on a global level
- Interpersonal relationship, association or acquaintance between two or more people
- Public relations, managing the spread of information to the public
- Sexual relations, or human sexual activity
- Social relation, in social science, any social interaction between two or more individuals
Logic and philosophyEdit
- Relation (philosophy), links between properties of an object
- Relational theory, framework to understand reality or a physical system
MathematicsEdit
A finitary or n-ary relation is a set of n-tuples. Specific types of relations include:
- Relation (mathematics)
- Binary relation (or correspondence, dyadic relation, or 2-place relation)
- Equivalence relation
- Homogeneous relation
- Reflexive relation
- Serial relation
- Ternary relation (or triadic, 3-adic, 3-ary, 3-dimensional, or 3-place relation)
Relation may also refer to:
- Directed relation
- Relation algebra, an algebraic structure inspired by algebraic logic
Databases and ontologyEdit
- Relational model, an approach to managing data
- Relation (database), a component of a relational database
- Relational algebra
- Relational calculus
- Relational database, a digital database
- Relationships (also known as relations), one of the ontology components
Art and literatureEdit
- Relation aller Fürnemmen und gedenckwürdigen Historien, the first newspaper
- Relation (1982 film), a 1982 Japanese short experimental film
- Relations (album), a 2004 album of cover versions by Kathryn Williams
See alsoEdit
- Relate (disambiguation)
- Relationism (disambiguation)
- Relationship (disambiguation)
- Kinship, in anthropology and generally, the web of human social relationships, or an affinity between entities because of some characteristics
- Coefficient of relationship in biology
- Relative (disambiguation)
- Relativism
- Relativity (disambiguation)
- All pages with titles containing relation
- All pages with titles containing relations
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