115 search results - page 3 / 23 » On contraction and the modal fragment |
TIME
2009
IEEE
14 years 2 months ago
2009
IEEE
We investigate fragments of Halpern-Shoham’s interval logic HS involving the modal operators for the relations of left or right overlap of intervals. We prove that most of these...
APAL
2005
13 years 7 months ago
2005
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...
ICLP
2004
Springer
14 years 25 days ago
2004
Springer
We introduce our implemented modal logic programming system MProlog. This system is written in Prolog as a module for Prolog. Codes, libraries, and most features of Prolog can be u...
AIML
2008
13 years 9 months 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 ...
JAPLL
2010
13 years 2 months ago
2010
We discuss recent work generalising the basic hybrid logic with the difference modality to any reasonable notion of transition. This applies equally to both subrelational transiti...