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AIML
2008
14 years 9 days ago
2008
We give a sound and complete derivation system for the valid formulas in the finitary version of Moss' coalgebraic logic, for coalgebras of arbitrary type.
AIML
2004
14 years 8 days ago
2004
In this paper we give the notion of modularity of a theory and analyze some of its properties, especially for the case of action theories in reasoning about actions. We propose alg...
AIML
2006
14 years 8 days ago
2006
We survey a number of decidablity and undecidablity results concerning epistemic temporal logic. The goal is to provide a general picture which will facilitate the `sharing of idea...
AIML
2006
14 years 8 days ago
2006
Bisimulation quantifiers are a natural extension of modal logics. They preserve the bisimulation invariance of modal logic, while allowing monadic second-order expressivity. Unfort...
AIML
2006
14 years 8 days ago
2006
We observe that the known fact that the difference logic and the hybrid logic with universal modality have the same expressive power on Kripke frames can be strengthened for a far ...