Results 31 to 40 of about 1,227 (289)

Fusion of expert uncertain assessment in FMEA based on the negation of basic probability assignment and evidence distance

open access: yesScientific Reports, 2022
Failure mode and effects analysis (FMEA) has been widely used for potential risk modeling and management. Expert evaluation is used to model the risk priority number to determine the risk level of different failure modes.
Yusong Yuan, Yongchuan Tang
doaj   +1 more source

Extending Fuzzy Linguistic Logic Programming with Negation

open access: yesMathematics, 2022
Fuzzy linguistic logic programming (FLLP) is a framework for representation and reasoning with linguistically expressed human knowledge. In this paper, we extend FLLP by allowing negative literals to appear in rule bodies, resulting in normal logic ...
Van Hung Le
doaj   +1 more source

Ordinal Sums of De Morgan Triples

open access: yesTrends in Computational and Applied Mathematics, 2018
In this paper we consider the ordinal sum of the summands (a_i, b_i, T_i) ((a_i, b_i, S_i)), where (T_i)_{i\in I}$ $((S_i)_{i\in I}) are a family of t-(co)norms and $(]a_i, b_i[)_{i\in I}$ a family of nonempty, pairwise disjoint open subintervals of [0,1]
Ivan Mezzomo, Benjamin Bedregal
doaj   +1 more source

A Fuzzy Take on the Logical Issues of Statistical Hypothesis Testing

open access: yesPhilosophies, 2021
Statistical Hypothesis Testing (SHT) is a class of inference methods whereby one makes use of empirical data to test a hypothesis and often emit a judgment about whether to reject it or not. In this paper, we focus on the logical aspect of this strategy,
Matthew Booth, Fabien Paillusson
doaj   +1 more source

Ordinal Sums of Fuzzy Negations: Main Classes and Natural Negations

open access: yesCoRR, 2019
In the context of fuzzy logic, ordinal sums provide a method for constructing new functions from existing functions, which can be triangular norms, triangular conorms, fuzzy negations, copulas, overlaps, uninorms, fuzzy implications, among others. As our main contribution, we establish conditions for the ordinal sum of a family of fuzzy negations to be
Annaxsuel A. de Lima   +2 more
openaire   +2 more sources

An Application of Classical Logic’s Laws in Formulas of Fuzzy Implications

open access: yesJournal of Mathematics, 2020
The crucial role that fuzzy implications play in many applicable areas was our motivation to revisit the topic of them. In this paper, we apply classical logic’s laws such as De Morgan’s laws and the classical law of double negation in known formulas of ...
Dimitrios S. Grammatikopoulos   +1 more
doaj   +1 more source

An Algorithm for Producing Fuzzy Implications via Conical Sections

open access: yesAlgorithms
In the present study, a novel parametric family of fuzzy implications is introduced and its properties are examined. The parametric family of implications is produced only via a fuzzy negation.
Ioannis Karampinis   +3 more
doaj   +1 more source

A Method of Generating Fuzzy Implications from n Increasing Functions and n + 1 Negations

open access: yesMathematics, 2020
In this paper, we introduce a new construction method of a fuzzy implication from n increasing functions g i : [ 0 , 1 ] → [ 0 , ∞ ) ,   ( g ( 0 ) = 0 ) ( i = 1 , 2 , … , n ,   n   ∈ ℕ ) and n + 1 fuzzy negations
Maria N. Rapti, Basil K. Papadopoulos
doaj   +1 more source

Fuzzy Algebraic Modeling of Spatiotemporal Timeseries’ Paradoxes in Cosmic Scale Kinematics

open access: yesMathematics, 2022
This paper introduces the prototype of a generic fuzzy algebraic framework, that aims to serve as a holistic modeling approach of kinematics.
Lazaros Iliadis
doaj   +1 more source

Implication operators in fuzzy logic

open access: yes, 2002
The choice of fuzzy implication as well as other connectives is an important problem in the theoretical development of fuzzy logic, and at the same time, it is significant for the performance of the systems in which fuzzy logic technique is employed ...
Ying, M
core   +1 more source

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