Definition:Antireflexive Relation

Definition
Let $\RR \subseteq S \times S$ be a relation in $S$. $\RR$ is antireflexive :


 * $\forall x \in S: \tuple {x, x} \notin \RR$

Also see

 * Definition:Reflexivity


 * Definition:Reflexive Relation
 * Definition:Coreflexive Relation
 * Definition:Non-Reflexive Relation