Abstract
Fuzzy Turing machines are not the only way to perform computation in a vague environment. Other models of fuzzy computation are inspired by biological phenomena or, more generally, by natural phenomena. Fuzzy P systems and the fuzzy chemical abstract machine are such models of computation. Some of these models have been studied in some detail while others are just emerging proposals.
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- 1.
“Intuitionistic” fuzzy sets were introduced by Atanassov [4]. In a nutshell, every element belongs to an intuitionistic fuzzy set to a degree equal to μ and does not belong to it to a degree equal to ν while μ≠1 − ν and 0 ≤ μ + ν ≤ 1. In general, the term “intuitionistic” is considered as a misnomer.
- 2.
One could say that the membership degree of a tuple (q, α, q′) “indicates the strength of membership within the relation” [75, p. 120].
- 3.
“Linear logic appeared as a by-product of coherent semantics. The novelty was the emphasis on structural rules, thus individuating linear negation. Linear logic is spiritual, like classical and intuitionistic logics” [52, p. 442].
- 4.
Note that \(\mathop{\mathrm{new}} x\,y\;P\) is a shorthand for \(\mathop{\mathrm{new}} x\mathop{\mathrm{new}} y\;P\).
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Syropoulos, A. (2014). Other Fuzzy Models of Computation. In: Theory of Fuzzy Computation. IFSR International Series on Systems Science and Engineering, vol 31. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8379-3_5
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