Results 11 to 20 of about 26,652 (157)

On the intuitionistic fuzzy implication →191 [PDF]

open access: yesNotes on Intuitionistic Fuzzy Sets, 2019
A new intutionistic fuzzy implication,→191, is constructed. Some of its basic properties are studied.
K. Atanassov
semanticscholar   +2 more sources

Modifications of the Third Zadeh’s intuitionistic fuzzy implication [PDF]

open access: yesNotes on Intuitionistic Fuzzy Sets, 2021
In [24], G. Klir and B. Yuan named after L. Zadeh the implication p → q = max(1 − p, min(p, q)). In a series of papers, the author introduced two intuitionistic fuzzy forms of Zadeh’s implication and their basic properties have been studied.
K. Atanassov, Nora A. Angelova
semanticscholar   +2 more sources

SISO Intuitionistic Fuzzy Systems: IF- ${t}$ -Norm, IF- ${R}$ -Implication, and Universal Approximators

open access: yesIEEE Access, 2019
Fuzzy system, as the main method of approximate reasoning, has been widely used to solve practical problems. The existing results on fuzzy systems were based on fuzzy sets, fuzzy if-then rule, and fuzzy inference.
Jiansheng Li, Zengtai Gong
doaj   +2 more sources

Intuitionistic fuzzy interpretation of a classical propositional logic formula [PDF]

open access: yesNotes on IFS
The formula ¬A = (A → ((A → A) ∧ ¬(A → A))) is a tautology in the classical propositional logic. In this paper, we determine all intuitionistic fuzzy implications that satisfy this formula together with the classical intuitionistic fuzzy negation or with
Krassimir Atanassov   +2 more
doaj   +2 more sources

Research on intuitionistic fuzzy implications. Part 3 [PDF]

open access: yesNotes on IFS, 2023
Continuing the research from [1,2], here we give the lists of the intuitionistic fuzzy implications, introduced in [2], that satisfy at least one of two forms of Modus Ponens (MP) – a standard and a new one, called "mixed", forms.
Nora Angelova   +2 more
doaj   +2 more sources

Research on intuitionistic fuzzy implications. Part 4 [PDF]

open access: yesNotes on IFS
Continuing the research from Parts 1, 2 [2, 3] where intuitionistic fuzzy implications, determined as implications with "good" properties, were investigated, here we correct the list of the implications that satisfy the Modus Ponens from Part 3, [4], and
Nora Angelova   +2 more
doaj   +2 more sources

On modal forms of the two-parametric weak intuitionistic fuzzy implication

open access: yesNotes on Intuitionistic Fuzzy Sets, 2022
In this paper new modal forms of the two-parametric weak intuitionistic fuzzy implication are introduced. Fulfillment of some properties, together with Modus Ponens and Modus Tollens inference rules, are investigated.
P. Dworniczak
semanticscholar   +1 more source

Research on intuitionistic fuzzy implications [PDF]

open access: yesNotes on Intuitionistic Fuzzy Sets, 2021
Currently in the theories of intuitionistic fuzzy sets, logics and pairs, there are 198 different implications. Here, we check the relationships between every two of them.
Nora Angelova, Krassimir Atanassov
openaire   +1 more source

Intuitionistic Fuzzy Implications and the Axioms of Intuitionistic Logic [PDF]

open access: yesAdvances in Intelligent Systems Research, 2015
During years of research, there have been defined 153 intuitionistic fuzzy implications. In the paper, it is checked which of these implications satisfy which axioms of the intuitionistic logic, whether as (classical) tautologies or as intuitionistic fuzzy tautologies.
Nora A. Angelova, Krassimir T. Atanassov
openaire   +1 more source

The Relationship between Fuzzy Reasoning Methods Based on Intuitionistic Fuzzy Sets and Interval-Valued Fuzzy Sets

open access: yesAxioms, 2022
Two important basic inference models of fuzzy reasoning are Fuzzy Modus Ponens (FMP) and Fuzzy Modus Tollens (FMT). In order to solve FMP and FMT problems, the full implication triple I algorithm, the reverse triple I algorithm and the Subsethood ...
Minxia Luo, Wenling Li, Hongyan Shi
doaj   +1 more source

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