Zadeh introduced the degree of membership/truth (t) in 1965 and defined the fuzzy set. Atanassov introduced the degree of non membership/falsehood (f) in 1986 and defined the intuitionistic fuzzy set. Smarandache introduced the degree of indeterminacy/neutrality (i) as independent component in 1995 (published in 1998) and defined the neutrosophic set on three components (t,i,f) = (truth, indeterminacy, falsehood). The words “neutrosophy” and “neutrosophic” were coined/invented by F. Smarandache in his 1998 book. Etymologically, “neutro-sophy” (noun) [French neutre 1), or complete information (sum of components = 1).
MOD Cognitive Maps Models, MOD Natural Neutrosophic Cognitive Maps Models
W.B. Vasantha Kandasamy, K. Ilanthenral, F. Smarandache. MOD Cognitive Maps Models and MOD Natural Neutrosophic Cognitive Maps Models. Brussels: EuropaNova ASBL, 2016.
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