Titlebook: Defeasible Deontic Logic; Donald Nute Book 1997 Springer Science+Business Media B.V. 1997 artificial intelligence.deontic logic.intelligen

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Introduction,ods may provide the way to solve some of these thorny problems. A . deontic logic may not only solve some of the familiar paradoxes of deontic logic, but may actually be attractive to moral philosophers, jurists, and others who would seem to be the natural clients of the deontic logician.

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Defeasible Reasoning and Moral Dilemmas,uth-values. Yet even these theorists have typically embraced tenets analogous to those of the Classical Deductivist Model. For example, the prescriptivist Hare insists that our moral prescriptions consist of a set of logically consistent, fully general principles.

歪曲道理

Annalisa Di Roma,Alessandra Scarcelli norms. Ross (1930) distinguished “prima facie norms” and “actual norms,” in which a prima facie norm becomes an actual norm after “all things are considered” and there is no reason to rebut it (Bonevac, 1987).

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Apparent Obligation, we are often not aware of all morally relevant circumstances of our situation. Indeed, there may be situations in which we . know all morally relevant circumstances before deciding what we ought to do. In such a situation, we are expected to fulfill those obligations which bind us .. These are what I call our . obligations.

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Defeasible Reasoning with Legal Rules,conflicting. ‘Prioritised’ rules received attention in the research on the formalisation of nonmonotonic reasoning, particularly as a way of modeling the choice criterion in dealing with exceptions (cf. (Poole, 1988); (Shoham, 1988); (Brewka, 1991); (Prakken, 1993)).