منابع مشابه
A logical approach to fuzzy truth hedges
The starting point of this paper are the works of Hájek and Vychodil on the axiomatization of truthstressing and -depressing hedges as expansions of Hájek’s BL logic by new unary connectives. They showed that their logics are chain-complete, but standard completeness was only proved for the expansions over Gödel logic. We propose weaker axiomatizations over an arbitrary core fuzzy logic which h...
متن کاملA logical approach to fuzzy truth hedges
The starting point of this paper are the works of Hájek and Vychodil on the axiomatization of truth-stressing and depressing hedges as expansions of Hájek's BL logic by new unary connectives. They showed that their logics are chain-complete, but standard completeness was only proved for the expansions over Gödel logic. We propose weaker axiomatizations over an arbitrary core fuzzy logic which h...
متن کاملFuzzy logics with truth hedges revisited
In this paper we build upon previous works of Hájek and Vychodil on the axiomatization of truthstressing and depressing hedges as expansions of BL logic by new unary connectives. They show that their logics are chain-complete, but standard completeness is only proved for the expansions over Gödel logic. We propose weaker axiomatizations that have as main advantages the preservation of standard ...
متن کاملA Logical Approach to Fuzzy Data Analysis
In this paper, we investigate the extraction of fuzzy rules from data tables based on possibility theory. A possibilistic decision language is used to represent the extracted fuzzy rules. The algorithm for rule extraction is presented and the complexity analysis is carried out. Since the results of the rule induction process strongly depend on the representation language, we also discuss some a...
متن کاملA Label Semantics Approach to Linguistic Hedges
We introduce a model for the linguistic hedges ‘very’ and ‘quite’ within the label semantics framework, and combined with the prototype and conceptual spaces theories of concepts. The proposed model emerges naturally from the representational framework we use and as such, has a clear semantic grounding. We give generalisations of these hedge models and show that they can be composed with themse...
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ژورنال
عنوان ژورنال: Information Sciences
سال: 2013
ISSN: 0020-0255
DOI: 10.1016/j.ins.2012.12.010