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relation

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relation

general relation between different objects or individuals

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About relation

Relations are ways in which several entities stand to each other. They usually connect distinct entities but some associate an entity with itself. The adicity of a relation is the number of entities it connects. The direction of a relation is the order in which the elements are related to each other. The converse of a relation carries the same information and has the opposite direction, like the contrast between "two is less than five" and "five is greater than two". Both relations and properties express features in reality with a key difference being that relations apply to several entities while properties belong to a single entity.

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Facts from Wikidata (CC0).

Not who you're looking for? Others named relation: property that assigns truth values to k-tuples of individual · concept in relational database theory