On weaker forms of relator Menger, relator Rothberger and relator Hurewicz properties

We introduce new selection principles in relator spaces using neighbourhoods and closures in the same manner as it was done in (1, 11, 20) in topological spaces and prove that these properties are weakerversionsofthecorrespondingselectionprinciplesdefinedin(12). Somepropertiesoftheseselection principles are proved.