Super and hyper products of super relations

Arpad Szaz

Abstract


If  R is a relation on X to Y , U is a relation on P(X) to Y ,
and V is a relation on P (X) to P (Y ) , then we say that R is an ordinary
relation, U is a super relation, and V is a hyper relation on X to Y .Motivated by an ingenious idea of Emilia Przemska, on a unied treatmentof open- and closed-like sets, we shall introduce and investigate here fourreasonable notions of product relations for super relations.

 


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