The concept of grade of membership
Fuzzy Sets and Systems - Interpretations of Grades on Membership
Advances in the Dempster-Shafer theory of evidence
Fuzzy sets and fuzzy logic: theory and applications
Fuzzy sets and fuzzy logic: theory and applications
Fuzzy Sets and Systems
Nearest interval approximation of a fuzzy number
Fuzzy Sets and Systems - Fuzzy intervals
Interval-Set Algebra for Qualitative Knowledge Representation
ICCI '93 Proceedings of the Fifth International Conference on Computing and Information
Pseudo-BL algebras and pseudo-effect algebras
Fuzzy Sets and Systems
Generalized fuzzy rough sets determined by a triangular norm
Information Sciences: an International Journal
Attribute reduction in decision-theoretic rough set models
Information Sciences: an International Journal
The algebraic structures of generalized rough set theory
Information Sciences: an International Journal
Probabilistic rough set approximations
International Journal of Approximate Reasoning
Relationship between generalized rough sets based on binary relation and covering
Information Sciences: an International Journal
A comparative study of fuzzy sets and rough sets
Information Sciences: an International Journal
Decision-theoretic rough set models
RSKT'07 Proceedings of the 2nd international conference on Rough sets and knowledge technology
Shadowed sets: representing and processing fuzzy sets
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Investigating a relevance of fuzzy mappings
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
Qualitative approximations of fuzzy sets and non-classical three-valued logics (II)
RSKT'10 Proceedings of the 5th international conference on Rough set and knowledge technology
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(0, 1)-Qualitative approximations of fuzzy sets are studied by using the core and support of a fuzzy set. This setting naturally leads to three disjoint regions and an analysis based on a three-valued logic. This study combines both an algebra view and a logic view. From the algebra view, the mathematical definition of a (0, 1)-approximation of fuzzy sets are given, and algebraic operations based on various t- norms and fuzzy implications are established. From the logic view, a non-classical three-valued logic is introduced. Corresponding to this new non-classical three-valued logic, the related origins of t-norms and fuzzy implications are examined.