let be a relation over set , we say is reflexive if for every its true that (or we can write ).
isnt reflexive there exists so that
matrices that represent reflexive relations are always in echelon form, e.g.:
let be a relation over set , we say is reflexive if for every its true that (or we can write ).
isnt reflexive there exists so that
matrices that represent reflexive relations are always in echelon form, e.g.: