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JSYML
2008
84views more  JSYML 2008»
14 years 10 months ago
The modal logic of affine planes is not finitely axiomatisable
We consider a modal language for affine planes, with two sorts of formulas (for points and lines) and three modal boxes. To evaluate formulas, we regard an affine plane as a Kripke...
Ian Hodkinson, Altaf Hussain
AMAST
2010
Springer
14 years 5 months ago
Coalgebraic Semantics for Parallel Derivation Strategies in Logic Programming
Ekaterina Komendantskaya, Guy McCusker, John Power
AISC
1998
Springer
15 years 2 months ago
Bertrand Russell, Herbrand's Theorem, and the Assignment Statement
While propositional modal logic is a standard tool, first-order modal logic is not. Indeed, it is not generally understood that conventional first-order syntax is insufficiently ex...
Melvin Fitting
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