797 search results - page 21 / 160 » Logics with an existential modality |
AIML
2008
14 years 11 days ago
2008
abstract. We establish that the quantifier alternation hierarchy of formulae of Second-Order Propositional Modal Logic (SOPML) induces an infinite corresponding semantic hierarchy ...
JANCL
2002
13 years 10 months ago
2002
We prove frame determination results for the family of many-valued modal logics introduced by M. Fitting in the early '90s. Each modal language of this family is based on a H...
AI
1999
Springer
13 years 10 months ago
1999
Springer
Forthcoming in the Journal of Aritificial Intelligence We introduce mathematical programming and atomic decomposition as the basic modal (T-Box) inference techniques for a large c...
CONCUR
2004
Springer
14 years 4 months ago
2004
Springer
We present a modular approach to defining logics for a wide variety of state-based systems. We use coalgebras to model the behaviour of systems, and modal logics to specify behavi...
ICALP
2010
Springer
14 years 28 days ago
2010
Springer
Abstract. The HalpernShoham logic is a modal logic of time intervals. Some eort has been put in last ten years to classify fragments of this beautiful logic with respect to decid...