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CORR
2008
Springer
104views Education» more  CORR 2008»
14 years 10 months ago
A General Framework for Sound and Complete Floyd-Hoare Logics
er presents an abstraction of Hoare logic to traced symmetric monoidal categories, a eral framework for the theory of systems. Our abstraction is based on a traced monoidal functor...
Rob Arthan, Ursula Martin, Erik A. Mathiesen, Paul...
APAL
2005
154views more  APAL 2005»
14 years 10 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
JAIR
2007
121views more  JAIR 2007»
14 years 9 months ago
On the Semantics of Logic Programs with Preferences
This work is a contribution to prioritized reasoning in logic programming in the presence of preference relations involving atoms. The technique, providing a new interpretation fo...
Sergio Greco, Irina Trubitsyna, Ester Zumpano
CALCO
2005
Springer
98views Mathematics» more  CALCO 2005»
15 years 3 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
ICDT
2007
ACM
97views Database» more  ICDT 2007»
15 years 4 months ago
Combining Temporal Logics for Querying XML Documents
Close relationships between XML navigation and temporal logics have been discovered recently, in particular between logics LTL and CTL⋆ and XPath navigation, and between the µ-c...
Marcelo Arenas, Pablo Barceló, Leonid Libki...