A comparative survey of default logic variants

Grigoris Antoniou

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)


This is an overview paper on default logic and its variants. Default reasoning is one of the most prominent approaches to nonmonotonic reasoning, and allows one to make plausible conjectures when faced with incomplete information about the problem at hand. Default rules prevail in many application domains such as medical diagnosis and leagal reasoning. Default logic in its original form suffers from some deficiencies, and several variants have been developed in the past years1. In this paper we give an overview of the most important of these variants by presenting their motivations and intuitions, and establishing relationships among the approaches. Besides, we give operational models for all logics discussed which allow for a better understanding of the concepts, and make the methods more easily accessbile to a broader audience and practical applications.

Original languageEnglish
Title of host publicationPractical Reasoning - International Conference on Formal and Applied Practical Reasoning, FAPR 1996, Proceedings
EditorsDov M. Gabbay, Hans Jurgen Ohlbach
PublisherSpringer Verlag
Number of pages14
ISBN (Print)9783540613138
Publication statusPublished - Jan 1996
Externally publishedYes
EventInternational Conference on Formal and Applied Practical Reasoning - Bonn, Germany
Duration: 3 Jun 19967 Jun 1996

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


ConferenceInternational Conference on Formal and Applied Practical Reasoning
Abbreviated titleFAPR 1996


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