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» Modal logics for mereotopological relations
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FOSSACS
2008
Springer
15 years 1 months ago
A Modal Deconstruction of Access Control Logics
We present a translation from a logic of access control with a "says" operator to the classical modal logic S4. We prove that the translation is sound and complete. We al...
Deepak Garg, Martín Abadi
SYNTHESE
2008
99views more  SYNTHESE 2008»
14 years 11 months ago
Public and private communication are different: results on relative expressivity
Dynamic Epistemic Logic (DEL) is the study of how to reason about knowledge, belief, and communication. This paper studies the relative expressivity of certain fragments of the DE...
Bryan Renne
JOLLI
2008
95views more  JOLLI 2008»
14 years 11 months ago
Relational Modality
Saul Kripke's thesis that ordinary proper names are rigid designators is supported by widely shared intuitions about the occurrence of names in ordinary modal contexts. By th...
Kathrin Glüer, Peter Pagin
TABLEAUX
2000
Springer
15 years 3 months ago
MSPASS: Modal Reasoning by Translation and First-Order Resolution
mspass is an extension of the first-order theorem prover spass, which can be used as a modal logic theorem prover, a theorem prover for description logics and a theorem prover for ...
Ullrich Hustadt, Renate A. Schmidt
CALCO
2005
Springer
98views Mathematics» more  CALCO 2005»
15 years 5 months ago
The Least Fibred Lifting and the Expressivity of Coalgebraic Modal Logic
Every endofunctor B on the category Set can be lifted to a fibred functor on the category (fibred over Set) of equivalence relations and relation-preserving functions. In this pa...
Bartek Klin