On relationship between modified sets, topological spaces and rough sets
Fuzzy Sets and Systems
Fuzzy set theory: basic concepts, techniques and bibliography
Fuzzy set theory: basic concepts, techniques and bibliography
A unifying study between modal-like operators, topologies and fuzzy sets
Fuzzy Sets and Systems
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In this paper, we introduce the operations of union, intersection, and complement for preorder-based fuzzy sets. The given operations are even capable of dealing with fuzzy sets that have membership degrees coming from different preordered sets. This enables us to handle the difficult situation in which one has different people giving judgements and they all like to use their own language and expressions.