Under a widespread understanding of the nature moral obligation, one cannot be under an obligation to perform or omit act and have power release oneself from one’s obligation. According this view, being necessarily entails relinquishing sovereignty over obligatory matter, that is, capacity control own obligational world. This essay argues against such view. I shall argue by making what will cal...

Social commitments are developed for multi-agent systems according to the current practice in law regarding contract formation and breach. Deafeasible commitments are used to provide a useful link between multi-agent systems and legal doctrines. The proposed model makes the commitments more expressive relative to contract law, improving the model for the life cycle of the commitments. As a cons...

Our goal is to extend agent communication languages for persuasion dialogues. We distinguish action commitments from propositional commitments, because both limit future moves, but an action commitment is fulfilled when the hearer believes that the action is performed, whereas a propositional commitment is fulfilled only when the hearer concedes to the proposition – where concessions are the ab...