The Status of Arguments in Abstract Argumentation Frameworks. A Tableaux Method

Abstract

PICT 2017-1702 and PICT 2022 and Universidad Nacional del Sur (PGI 24/I265), Argentina. Five anonymous referees are acknowledged for valuable comments and criticisms on this and previous versions that notably improved the work. The first author appreciates the invitation of the Department of Mathematics of the Universidad de Aveiro, Portugal, for a visit in September 2019, during which this paper was developed.