Binary relation

English

Noun

1. Template:Lb A subset of the Cartesian product A×A (the set of ordered pairs (a, b) of elements of A).
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2. Template:Lb A subset of the Cartesian product A×B.

Usage notes

• If $R$ is a relation between $A$ and $B$, then $A$ is called the domain of the relation, and $B$ is called the codomain of the relation.
• For a binary relation $R$, the notation $aRb$ signifies that $(a,b)\in R$, and one may say that $a$ is in binary relation $R$ to $b$.

Synonyms

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Hyponyms

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Translations

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See also

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Further reading

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