منابع مشابه
A qualitative fuzzy possibilistic logic
A formal logical system dealing with both uncertainty (possibility) and vagueness (fuzziness) is investigated. It is many-valued and modal. The system is related to a many-valued tense logic. A completeness theorem is exhibited. K E Y W O R D S : fuzzy logic, modal logic, possibilistic logic, comparative approach
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Qualitative choice logic (QCL) is a propositional logic for representing prioritized alternatives. The logic adds to classical propositional logic a new connective called ordered disjunction: A~×B intuitively means: if possible A, but if A is not possible then at least B. QCL inference is obtained by defining a preference relation between interpretations of a propositional language. This paper ...
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In this paper, we investigate how linguistic information can be incorporated into classical propositional logic. First, we show that Zadeh’s extension principle can be justified and at the same time generalized by considerations about transformation of possibility measures. Using these results, we show how linguistic uncertainty about the truth value of a proposition leads to the introduction o...
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This paper describes a logical machinery for computing decisions, where the available knowledge on the state of the world is described by a possibilistic propositional logic base (i.e., a collection of logical statements associated with qualitative certainty levels), and where the preferences of the user are also described by another possibilistic logic base whose formula weights are interprete...
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ژورنال
عنوان ژورنال: International Journal of Approximate Reasoning
سال: 1995
ISSN: 0888-613X
DOI: 10.1016/0888-613x(94)00011-q