Basic Concepts of Fuzzy Sets Theory
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The concept of fuzzy sets was proposed by L. A. Zadeh in his paper published in 1965 (Zadeh, 1965). Since this seminal work, several researchers have importantly contributed for the development of fuzzy sets theory and its applications, resulting in the great success from the theoretical and technological points of view. Fuzzy sets theory proposes to deal with unclear boundaries, representing vague concepts and working with linguistic variables. In this sense, fuzzy sets emerged as an alternative way to deal with uncertainties.
KeywordsMembership Function Fuzzy Number Membership Degree Fuzzy Subset Fuzzy Relation
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