Demonic fuzzy operators
Huda Alrashidi, Fairouz Tchier · WSEAS Transactions on Mathematics archive · 2010
We deal with a relational algebra model to define a refinement fuzzy ordering (demonic fuzzy inclusion) and also the associated fuzzy operations which are fuzzy demonic join (∪fuz), fuzzy demonic meet (∩fuz) and fuzzy demonic composition (□fuz). We give also some properties of these operations and illustrate them with simple examples. Our formalism is the relational algebra.