Relation

Relation or relations may refer to:

General uses

• Social relation, in social science, any social interaction between two or more individuals
• International relations, the study of interconnectedness of politics, economics and law on a global level
• Public relations, managing the spread of information to the public
• Interpersonal relationship, association or acquaintance between two or more people
  • Sexual relations, or human sexual activity

Logic and philosophy

• Relation (history of concept), links between properties of an object
• Relational theory, framework to understand reality or a physical system

Mathematics

• Binary relation, or dyadic relation or 2-place relation
• Heterogeneous relation, a relation between distinct sets
• Finitary relation, relations with a finite number of places
• Relation algebra, an algebraic structure inspired by algebraic logic

Databases and ontology

• Relation (database), a component of a relational database
  • Relational database, a digital database
  • Relational model, for database management
  • Relational calculus
  • Relational algebra
• Relationships, also known as relations, one of the Ontology components

Art and literature

• Relation (journal), the first newspaper
• Relation (1982 film), a 1982 Japanese short experimental film
• Relations (album), a 2004 album of cover versions by Kathryn Williams

See also

• All pages with a title containing Relation
• Relate (disambiguation)
• Relationship (disambiguation)
• Relationism (disambiguation)
• Relativism
• Relativity (disambiguation)
• Relative (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