Definition:Left Quasi-Reflexive Relation/Definition 2
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Definition
Let $\RR \subseteq S \times S$ be a relation in $S$.
$\RR$ is left quasi-reflexive if and only if:
- $\forall x \in \Dom \RR: \tuple {x, x} \in \RR$
where $\Dom \RR$ denotes the domain of $\RR$.
Also see
- Results about left quasi-reflexive relations can be found here.