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» On the Complexity of Elementary Modal Logics
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CORR
2008
Springer
148views Education» more  CORR 2008»
14 years 11 months ago
The craft of model making: PSPACE bounds for non-iterative modal logics
The methods used to establish PSPACE-bounds for modal logics can roughly be grouped into two classes: syntax driven methods establish that exhaustive proof search can be performed...
Lutz Schröder, Dirk Pattinson
JOLLI
2006
76views more  JOLLI 2006»
14 years 11 months ago
A Modal Interpretation of the Logic of Interrogation
We propose a novel interpretation of natural-language questions using a modal predicate logic of knowledge. Our approach brings standard model-theoretic and proof-theoretic techniq...
Rani Nelken, Chung-chieh Shan
LORI
2009
Springer
15 years 4 months ago
Epistemic Games in Modal Logic: Joint Actions, Knowledge and Preferences All Together
We present in this work a sound and complete modal logic called EDLA (Epistemic Dynamic Logic of Agency) integrating the concepts of joint action, preference and knowledge and ena...
Emiliano Lorini, François Schwarzentruber, ...
LPNMR
1997
Springer
15 years 3 months ago
Improving the Alternating Fixpoint: The Transformation Approach
We present a bottom-up algorithm for the computation of the well-founded model of non-disjunctive logic programs which is based on the set of elementary program transformations stu...
Ulrich Zukowski, Burkhard Freitag, Stefan Brass
IANDC
2006
117views more  IANDC 2006»
14 years 11 months ago
A modular approach to defining and characterising notions of simulation
We propose a modular approach to defining notions of simulation, and modal logics which characterise them. We use coalgebras to model state-based systems, relators to define notio...
Corina Cîrstea