Complex fuzzy sets and logic are an extension of type-1 fuzzy sets wherein memberships
may be complex-valued. This has been an area of growing research focus in the fuzzy …

The term" fuzzy logic," as it is understood in this book, stands for all aspects of representing
and manipulating knowledge based on the rejection of the most fundamental principle of …

Abstract Fuzzy Logic, introduced by Zadeh along with his introduction of fuzzy sets, is a
continuous multi-valued logic system. Hence, it is a generalization of the classical logic and …

Complex fuzzy sets utilize a complex degree of membership, represented in polar
coordinates, which is a combination of a degree of membership in a fuzzy set along with a …

The paper provides a logical theory of a specific class of natural language expressions
called intermediate quantifiers (most, a lot of, many, a few, a great deal of, a large part of, a …

Current trends clearly indicate that online learning has become an important learning mode.
However, no effective assessment mechanism for learning performance yet exists for e …

Publisher Summary This chapter provides an overview of the many-valued logics. From a
philosophical, especially epistemological point of view, the semantic aspect of (classical) …

" In this book, it is argued that the notorious logical paradoxes-the Liar, Russell's, the Sorites-
are only the noisiest of many. Contradictions arise in the everyday, from the smallest points …

Fuzzy logic is intended to model logical reasoning with vague or imprecise statements like
“Petr is young (rich, tall, hungry, etc.)”. It refers to a family of many-valued logics, where the …

This paper is a contribution to the discussion of the problem, whether there is a fuzzy logic
that can be considered as the real fuzzy logic. We give reasons for taking IMTL, BL, ŁΠ and …