Results 11 to 20 of about 323 (72)

Solving an optimal control problem of hepatitis B virus dynamics: Efficacy of fuzzy logic strategy [PDF]

open access: yes, 2021
This work aims at using fuzzy logic strategy to solve a hepatitis B virus (HBV) optimal control problem. To test the efficacy of this numerical method, we compare numerical results with those obtained using direct method.
Banzi, Wellars   +2 more
core   +2 more sources

Pavelka-style completeness in expansions of \L ukasiewicz logic [PDF]

open access: yes, 2008
An algebraic setting for the validity of Pavelka style completeness for some natural expansions of \L ukasiewicz logic by new connectives and rational constants is given.
Freytes, Hector
core   +1 more source

PROLogic: A FUZZY TEMPORAL CONSTRAINT PROLOG

open access: yesInternational Journal of Apllied Mathematics, 2019
In this paper we present PROLogic, a logic programming language based on a formal first-order fuzzy temporal logic: FTCLogic. FTCLogic integrates the advantages of a formal system (a first-order logic based on Possibilistic Logic) and an efficient ...
M. A. C. 'ardenas-Viedma   +1 more
semanticscholar   +1 more source

Fuzzy positive implicative ordered filters of implicative semigroups

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 32, Issue 5, Page 263-270, 2002., 2002
We consider the fuzzification of the notion of a positive implicative ordered filter in implicative semigroups. We show that every fuzzy positive implicative ordered filter is both a fuzzy ordered filter and a fuzzy implicative ordered filter. We give examples that a fuzzy (implicative) ordered filter may not be a fuzzy positive implicative ordered ...
Young Bae Jun   +2 more
wiley   +1 more source

APPLICATION OF GENERALIZED VAGUE SOFT EXPERT SET IN DECISION MAKING

open access: yes, 2014
Generalized vague soft expert sets can be used to analyze decisionmaking problems. In this work we give an application of this concept which we have earlier introduced, in a decision-making problem.
Khaleed Alhazaymeh, Nasruddin Hassan
semanticscholar   +1 more source

Hidden modalities in algebras with negation and implication [PDF]

open access: yes, 2013
Lukasiewicz 3-valued logic may be seen as a logic with hidden truthfunctional modalities de ned by A := :A ! A and A := :(A ! :A). It is known that axioms (K), (T), (B), (D), (S4), (S5) are provable for these modalities, and rule (RN) is admissible. We
Järvinen, Jouni   +3 more
core   +1 more source

Fuzzy BCI‐subalgebras with interval‐valued membership functions

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 25, Issue 2, Page 135-143, 2001., 2001
The purpose of this paper is to define the notion of an interval‐valued fuzzy BCI‐subalgebra (briefly, an i‐v fuzzy BCI‐subalgebra) of a BCI‐algebra. Necessary and sufficient conditions for an i‐v fuzzy set to be an i‐v fuzzy BCI‐subalgebra are stated. A way to make a new i‐v fuzzy BCI‐subalgebra from old one is given.
Sung Min Hong   +3 more
wiley   +1 more source

Extension on the fuzzy integral based on ⊕‐decomposable measure

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 28, Issue 8, Page 437-445, 2001., 2001
We extend the concept of fuzzy integral based on ⊕‐decomposable measure from nonnegative fuzzy measurable function to extended real‐valued fuzzy measurable function. Further investigations of fuzzy integrals based on pseudo‐additive decomposable measure are carried out.
Mamadou Traore
wiley   +1 more source

Intersections between some families of (U,N)- and RU-implications [PDF]

open access: yes, 2011
(U,N)-implications and RU-implications are the generalizations of (S,N)- and R-implications to the framework of uninorms, where the t-norms and t-conorms are replaced by appropriate uninorms. In this work, we present the intersections that exist between (
Baczynski, M, Jayaram, Balasubramaniam
core   +2 more sources

Lattice operations on fuzzy implications and the preservation of the exchange principle [PDF]

open access: yes, 2015
In this work, we solve an open problem related to the preservation of the exchange principle (EP) of fuzzy implications under lattice operations ([3], Problem 3.1.). We show that generalizations of the commutativity of antecedents (CA) to a pair of fuzzy
Jayaram, Balasubramaniam, Vemuri, N R
core   +2 more sources

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