115 search results - page 6 / 23 » On contraction and the modal fragment |
27
Voted
CSL
1995
Springer
13 years 11 months ago
1995
Springer
We propose so called contraction free sequent calculi for the three prominent modal logics K, T, and S4. Deduction search in these calculi is shown to provide more efficient decisi...
JAPLL
2010
13 years 2 months ago
2010
The satisfiability problem of hybrid logics with the downarrow binder is known to be undecidable. This initiated a research program on decidable and tractable fragments. In this p...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Autoepistemic logic extends propositional logic by the modal operator L. A formula that is preceded by an L is said to be "believed". The logic was introduced by Moore ...
WOLLIC
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. This paper presents a new version of the CL contract specification language. CL combines deontic logic with propositional dynamic logic but it applies the modalities exc...
ICALP
2010
Springer
13 years 9 months 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...