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16 definitions found
From The Free On-line Dictionary of Computing (27 SEP 03) : [ foldoc ]
fuzzy logic
A superset of Boolean logic dealing with the concept of
partial truth -- truth values between "completely true" and
"completely false". It was introduced by Dr. Lotfi Zadeh of
UCB in the 1960's as a means to model the uncertainty of
natural language.
Any specific theory may be generalised from a discrete (or
"crisp") form to a continuous (fuzzy) form, e.g. "fuzzy
calculus", "fuzzy differential equations" etc. Fuzzy logic
replaces Boolean truth values with degrees of truth which are
very similar to probabilities except that they need not sum to
one. Instead of an assertion pred(X), meaning that X
definitely has the property associated with predicate
"pred", we have a truth function truth(pred(X)) which gives
the degree of truth that X has that property. We can combine
such values using the standard definitions of fuzzy logic:
truth(not x) = 1.0 - truth(x)
truth(x and y) = minimum (truth(x), truth(y))
truth(x or y) = maximum (truth(x), truth(y))
(There are other possible definitions for "and" and "or",
e.g. using sum and product). If truth values are restricted to
0 and 1 then these functions behave just like their Boolean
counterparts. This is known as the "extension principle".
Just as a Boolean predicate asserts that its argument
definitely belongs to some subset of all objects, a fuzzy
predicate gives the degree of truth with which its argument
belongs to a fuzzy subset.
Usenet newsgroup: news:comp.ai.fuzzy.
E-mail servers: ,
, .
ftp://ftp.hiof.no/pub/Fuzzy)" rel="nofollow">(ftp://ftp.hiof.no/pub/Fuzzy),
ftp://ntia.its.bldrdoc.gov/pub/fuzzy)" rel="nofollow">(ftp://ntia.its.bldrdoc.gov/pub/fuzzy).
FAQ
ftp://rtfm.mit.edu/pub/usenet-by-group/comp.answers/fuzzy-logic)" rel="nofollow">(ftp://rtfm.mit.edu/pub/usenet-by-group/comp.answers/fuzzy-logic).
James Brule, "Fuzzy systems - a tutorial", 1985
http://life.anu.edu.au/complex_systems/fuzzy.html)" rel="nofollow">(http://life.anu.edu.au/complex_systems/fuzzy.html).
STB Software Catalog
http://krakatoa.jsc.nasa.gov/stb/catalog.html)" rel="nofollow">(http://krakatoa.jsc.nasa.gov/stb/catalog.html), includes a
few fuzzy tools.
[H.J. Zimmerman, "Fuzzy Sets, Decision Making and Expert
Systems", Kluwer, Dordrecht, 1987].
["Fuzzy Logic, State of the Art", Ed. R. Lowen, Marc Roubens,
Theory and Decision Library, D: System theory, Knowledge
Engineering and Problem Solving 12, Kluwer, Dordrecht, 1993,
ISBN 0-7923-2324-6].
(1995-02-21)
From WordNet (r) 2.0 : [ wn ]
fuzzy logic
n : a form of mathematical logic in which truth can assume a
continuum of values between 0 and 1
From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]
fuzzy logic
n.
(lb en mathematics) A form of reasoning, derived from fuzzy set
theory, whereby a truth value need not be exactly zero (false) or one
(true), but rather can be zero, one, or any value in between.
From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]
fuzzy logic
n.
(lb en mathematics) A form of reasoning, derived from fuzzy set
theory, whereby a truth value need not be exactly zero (false) or one
(true), but rather can be zero, one, or any value in between.
From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]
fuzzy logic
n.
(lb en mathematics) A form of reasoning, derived from fuzzy set
theory, whereby a truth value need not be exactly zero (false) or one
(true), but rather can be zero, one, or any value in between.
From English Wiktionary: Western languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western-2023-07-27 ]
fuzzy logic
n.
(lb en mathematics) A form of reasoning, derived from fuzzy set
theory, whereby a truth value need not be exactly zero (false) or one
(true), but rather can be zero, one, or any value in between.
From Finnish Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-fi-ALL-2023-07-27 ]
fuzzy logic
Englanti n.
(yhteys logiikka k=en) sumea logiikka
From Deutsch-français FreeDict+WikDict dictionary ver. 2023.05.29 : [ freedict:deu-fra ]
Fuzzy Logic /fˈʊtsiː lˈoːɡiːk/
logique des ensembles flous, logique floue
Mathematik, EDV: eine Theorie, eine Verallgemeinerung der zweiwertigen Booleschen Logik, die vor allem für die Darstellung menschlichen (und damit unscharfen) Wissens entwickelt wurde.
From Deutsch-Svenska FreeDict+WikDict dictionary ver. 2023.05.29 : [ freedict:deu-swe ]
Fuzzy Logic /fˈʊtsiː lˈoːɡiːk/
fuzzy logik, oskarp logik
Mathematik, EDV: eine Theorie, eine Verallgemeinerung der zweiwertigen Booleschen Logik, die vor allem für die Darstellung menschlichen (und damit unscharfen) Wissens entwickelt wurde.
From English-Czech dicts.info/FreeDict Dictionary ver. 0.1.3 : [ freedict:eng-ces ]
fuzzy logic /fˈʌzi lˈɒdʒɪk/
vícehodnotová logika
From English-Czech dicts.info/FreeDict Dictionary ver. 0.1.3 : [ freedict:eng-ces ]
fuzzy logic /fˈʌzi lˈɒdʒɪk/
fuzzy logika
From English - German Ding/FreeDict dictionary ver. 1.9-fd1 : [ freedict:eng-deu ]
fuzzy logic /fˈʌzi lˈɒdʒɪk/
Fuzzy-Logik , unscharfe Logik
From English - Modern Greek XDXF/FreeDict dictionary ver. 0.1.1 : [ freedict:eng-ell ]
fuzzy logic /fˈʌzi lˈɒdʒɪk/
ασαφής λογική
From English-suomi FreeDict+WikDict dictionary ver. 2023.05.29 : [ freedict:eng-fin ]
fuzzy logic /fˈʌzi lˈɒdʒɪk/
sumea logiikka
logic based on the notion of fuzzy set
From English-Croatian FreeDict Dictionary ver. 0.2.2 : [ freedict:eng-hrv ]
fuzzy logic /fˈʌzi lˈɒdʒɪk/
neizrazita (fuzzy) logika, neizrazita logika
From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2023.05.29 : [ freedict:eng-jpn ]
fuzzy logic /fˈʌzi lˈɒdʒɪk/
ファジィ論理
logic based on the notion of fuzzy set
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