The Problem of Vague Predicates
Boston studies in the philosophy of sciencePublished 1 January 1983
Rohit Parikh
Citations51
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Abstract
Michael Dummett and Crispin Wright1 consider the following puzzle. Imagine a series of coloured patches, beginning with a red patch. Suppose, moreover, that the colour from patch to patch changes gradually so that the last patch is quite clearly not red. However, the change is so gradual that each patch is — to the eye — quite indistinguishable from the next in colour.
Keywords
Computer ScienceMathematics
SyntheseFuzzy logic and approximate reasoning
1,598 Citations1975Lotfi A. Zadeh
F fuzzy logic is used in this paper to describe an imprecise logical system, FL, in which the truth-values are fuzzy subsets of the unit interval with linguistic labels such as true, false, not true, very true, quite true, not very true and not very false, etc.
SIAM Journal on ComputingData Types as Lattices
567 Citations1976Dana Scott
These spaces of “partial” objects are modeled in one universal domain, the set of all subsets of the integers, which renders the connection of this semantic theory with the ordinary theory of number theoretic functions clear and straightforward.