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CORR
2006
Springer
130views Education» more  CORR 2006»
13 years 7 months ago
Characterizing the NP-PSPACE Gap in the Satisfiability Problem for Modal Logic
There has been a great deal of work on characterizing the complexity of the satisfiability and validity problem for modal logics. In particular, Ladner showed that the consistency...
Joseph Y. Halpern, Leandro Chaves Rêgo
AML
2005
81views more  AML 2005»
13 years 7 months ago
A logical and algebraic treatment of conditional probability
This paper is devoted to a logical and algebraic treatment of conditional probability. The main ideas are the use of non-standard probabilities and of some kind of standard part f...
Tommaso Flaminio, Franco Montagna
AIIA
1999
Springer
13 years 12 months ago
Labelled Tableaux for Non-normal Modal Logics
In this paper we show how to extend KEM, a tableau-like proof system for normal modal logic, in order to deal with classes of non-normal modal logics, such as monotonic and regular...
Guido Governatori, Alessandro Luppi
IJCAI
1997
13 years 9 months ago
A Four-Valued Fuzzy Propositional Logic
It is generally accepted that knowledge based systems would be smarter and more robust if they can manage inconsistent, incomplete or imprecise knowledge. This paper is about a fo...
Umberto Straccia
EUSFLAT
2009
170views Fuzzy Logic» more  EUSFLAT 2009»
13 years 5 months ago
Decision Making in Competitive Location using Fuzzy Sets
This paper deals with the competitive location problems using fuzzy sets. The basic notions on fuzzy optimization and linear programming using fuzzy sets are briefly reviewed. The ...
Clara M. Campos, Lourdes Canós, Marí...