Identity Relation (or Identity)

Identity Relation (or Identity)

In a set E, a relationship that includes only ordered pairs identical to set E.


The identity relation on a set E is denoted by : \(I_E\).


Consider set E = {a, b, c}.  Then \(I_E\) = {(a, a), (b, b), (c, c)}.

The arrow diagram of an identity relation includes only loops.

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