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» Strong Completeness of Coalgebraic Modal Logics
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NDJFL
1998
100views more  NDJFL 1998»
13 years 4 months ago
Failure of Interpolation in Combined Modal Logics
We investigate transfer of interpolation in such combinations of modal logic which lead to interaction of the modalities. Combining logics by taking products often blocks transfer...
Maarten Marx, Carlos Areces
ECAI
2010
Springer
13 years 5 months ago
Optimal Tableaux for Conditional Logics with Cautious Monotonicity
Conditional logics capture default entailment in a modal framework in which non-monotonic implication is a first-class citizen, and in particular can be negated and nested. There i...
Lutz Schröder, Dirk Pattinson, Daniel Hausman...
TABLEAUX
1998
Springer
13 years 9 months ago
Fibring Semantic Tableaux
The methodology of fibring is a successful framework for combining logical systems based on combining their semantics. In this paper, we extend the fibring approach to calculi for ...
Bernhard Beckert, Dov M. Gabbay