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» Logics with an existential modality
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KBS
2011
81views more  KBS 2011»
12 years 12 months ago
Existential rigidity and many modalities in order-sorted logic
Order-sorted logic is a useful tool for knowledge representation and reasoning because it enables representation of sorted terms and formulas along with partially ordered sorts (c...
Ken Kaneiwa
AIML
2006
13 years 6 months ago
Logics with an existential modality
Natasha Alechina, Dmitry Shkatov
TIME
2003
IEEE
13 years 10 months ago
Hybrid Logics on Linear Structures: Expressivity and Complexity
We investigate expressivity and complexity of hybrid logics on linear structures. Hybrid logics are an enrichment of modal logics with certain first-order features which are algo...
Massimo Franceschet, Maarten de Rijke, Bernd-Holge...
JAPLL
2010
104views more  JAPLL 2010»
12 years 11 months ago
Lightweight hybrid tableaux
We present a decision procedure for hybrid logic equipped with nominals, the satisfaction operator and existential, difference, converse, reflexive, symmetric and transitive modal...
Guillaume Hoffmann
CADE
2003
Springer
14 years 5 months ago
Optimizing Higher-Order Pattern Unification
Abstract. We present an abstract view of existential variables in a dependently typed lambda-calculus based on modal type theory. This allows us to justify optimizations to pattern...
Brigitte Pientka, Frank Pfenning