Sciweavers

97 search results - page 2 / 20
» A Systematic Proof Theory for Several Modal Logics
Sort
View
CORR
2007
Springer
125views Education» more  CORR 2007»
13 years 5 months ago
Common knowledge logic in a higher order proof assistant?
This paper presents experiments on common knowledge logic, conducted with the help of the proof assistant Coq. The main feature of common knowledge logic is the eponymous modality...
Pierre Lescanne
APAL
2008
159views more  APAL 2008»
13 years 5 months ago
Approximations of modal logics: K and beyond
Inspired by recent work on approximations of classical logic, we present a method that approximates several modal logics in a modular way. Our starting point is the limitation of ...
Guilherme de Souza Rabello, Marcelo Finger
APAL
2005
154views more  APAL 2005»
13 years 5 months ago
A Sahlqvist theorem for distributive modal logic
In this paper we consider distributive modal logic, a setting in which we may add modalities, such as classical types of modalities as well as weak forms of negation, to the fragm...
Mai Gehrke, Hideo Nagahashi, Yde Venema
ICFP
2003
ACM
14 years 5 months ago
A modal foundation for meta-variables
We report on work in progress regarding a foundation for the notion of meta-variable in logical frameworks and type theories. Our proposal is to treat meta-variables as modal varia...
Aleksandar Nanevski, Brigitte Pientka, Frank Pfenn...
JOLLI
2002
92views more  JOLLI 2002»
13 years 5 months ago
A Tableau Method for Graded Intersections of Modalities: A Case for Concept Languages
A concept language with role intersection and number restriction is defined and its modal equivalent is provided. The main reasoning tasks of satisfiability and subsumption checkin...
Ani Nenkova