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LFCS
2009
Springer
13 years 11 months ago
Fuzzy Description Logic Reasoning Using a Fixpoint Algorithm
We present FixIt(ALC), a novel procedure for deciding knowledge base (KB) satisfiability in the Fuzzy Description Logic (FDL) ALC. FixIt(ALC) does not search for tree-structured m...
Uwe Keller, Stijn Heymans
LFCS
2009
Springer
13 years 11 months ago
Quantitative Comparison of Intuitionistic and Classical Logics - Full Propositional System
Abstract. We address the problem of quantitative comparison of classical and intuitionistic logics within the language of the full propositional system. We apply two different app...
Antoine Genitrini, Jakub Kozik
LFCS
2009
Springer
13 years 11 months ago
Canonical Signed Calculi, Non-deterministic Matrices and Cut-Elimination
Canonical propositional Gentzen-type calculi are a natural class of systems which in addition to the standard axioms and structural rules have only logical rules where exactly one ...
Arnon Avron, Anna Zamansky
LFCS
2009
Springer
13 years 11 months ago
A Labeled Natural Deduction System for a Fragment of CTL*
We give a sound and complete labeled natural deduction system for an interesting fragment of CTL∗ , namely the until-free version of BCTL∗ . The logic BCTL∗ is obtained by re...
Andrea Masini, Luca Viganò, Marco Volpe
LFCS
2009
Springer
13 years 11 months ago
Completeness Results for Memory Logics
Memory logics are a family of modal logics in which standard relational structures are augmented with data structures and additional operations to modify and query these structure...
Carlos Areces, Santiago Figueira, Sergio Mera
LFCS
2009
Springer
13 years 11 months ago
Hypersequent Systems for the Admissible Rules of Modal and Intermediate Logics
The admissible rules of a logic are those rules under which the set of theorems of the logic is closed. In a previous paper by the authors, formal systems for deriving the admissib...
Rosalie Iemhoff, George Metcalfe