2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/31179In this paper we introduce a qualitative decision and game theory based on belief (B) and desire (D) rules. We show that a group of agents acts as if it is maximizing achieved joint goals.8 pagesMultiagent SystemsComputer Science and Game TheoryI.2.4What is a Joint Goal? Games with Beliefs and Defeasible Desirestext