Preface. 1. Preliminaries. 2. Fuzzy Approach, Graded Truth, and Structures of Truth Values. 3. Fuzzy Structures. 4. Binary Fuzzy Relations. 5. Object-Attribute Fuzzy Relations and Fuzzy Concept Lattices. 6. Composition and Decomposition of Fuzzy Relations. 7. Miscellanea. References.
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