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» The logic of proofs, semantically
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IJCAI
2007
15 years 8 months ago
Embedding Non-Ground Logic Programs into Autoepistemic Logic for Knowledge-Base Combination
In the context of the Semantic Web, several approaches to the combination of ontologies, given in terms of theories of classical first-order logic, and rule bases have been propo...
Jos de Bruijn, Thomas Eiter, Axel Polleres, Hans T...
ECAI
2004
Springer
16 years 9 hour ago
Extending Defeasible Logic and Defeasible Prolog
Abstract. Defeasible logic (DL) promotes enthymemic, argumentative reasoning on incomplete set of premisses retracted on the presence of contrary information. Defeasible Prolog (d-...
Ahti-Veikko Pietarinen
TPHOL
1992
IEEE
15 years 10 months ago
The HOL Logic Extended with Quantification over Type Variables
The HOL system is an LCF-style mechanized proof-assistant for conducting proofs in higher order logic. This paper discusses a proposal to extend the primitive basis of the logic un...
Thomas F. Melham
CIE
2008
Springer
15 years 8 months ago
Herbrand Theorems and Skolemization for Prenex Fuzzy Logics
Approximate Herbrand theorems are established for first-order fuzzy logics based on continuous t-norms, and used to provide proof-theoretic proofs of Skolemization for their Prenex...
Matthias Baaz, George Metcalfe
IANDC
2006
77views more  IANDC 2006»
15 years 6 months ago
Weakly complete axiomatization of exogenous quantum propositional logic
A finitary axiomatization for EQPL (exogenous quantum propositional logic) is presented. The axiomatization is shown to be weakly complete relative to an oracle for analytical rea...
Paulo Mateus, Amílcar Sernadas