H. Prakken, An Argumentation Framework in Default Logic, Annals of Math. & Artif. Intell. 9(1, 2), 1993, pp. 93-132.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....in this case. Recently, mainly inspired by work done in AI on alefeasibility over the last decade or so, there have been developing a rapidly increasing interest in the alefeasibility approach to deontic logic and legal reasoning more in general (cf. e.g. MW91a] MW93a] Rya93] Hor93] [Pra93, 94], Jon93] PS94] vdT94] Clearly, this topic has now been taken up very seriously by researchers in the AI Law Community, and it is to be expected that a lot of this line of research will dominate deontic logic and reasoning about norms for the years to come. iv) confusion between ....

H. Prakken, An Argumentation Framework in Default Logic, Annals of Math. & Artif. Intell. 9(1, 2), 1993, pp. 93-132.

.... is rather a 25 controversial issue, since some other authors claim that in this way specificity is privileged over other principles of preference like the above mentioned lex superior, which makes it de facto even harder to incorporate various different such principles in one system (cf. e.g. [Pra93]) Also capturing specificity in isolation is by no means trivial, since one may encounter difficult situations with cascaded specificities that contradict each other, where intuitions begin to fade (cf. Tou86] MH95] as in a case like: Adults tend to be employed; University students tend to ....

H. Prakken, An Argumentation Framework in Default Logic, Annals of Math. & Artif Intell. 9, 1993, pp. 93-132.

....in this case. Recently, mainly inspired by work done in AI on defeasibility over the last decade or so, there have been developing a rapidly increasing interest in the defeasibility approach to deontic logic and legal reasoning more in general (cf. e.g. MW91a] MW93a] Rya93] Hor93] [Pra93, 94], Jon93] PS94] vdT94] Clearly, this topic has now been taken up very seriously by researchers in the AI Law Community, and it is to be expected that a lot of this line of research will dominate deontic logic and reasoning about norms for the years to come. 5.1 Our Approach: The System ....

H. Prakken, An Argumentation Framework in Default Logic, Annals of Math. & Artif. Intell. 9(1, 2), 1993, pp. 93-132. 21

.... s clause stack. Four protocols are given next, exhibiting a range of considerations that have been raised in the design of defeasible reasoning systems. Each protocol depends on an underlying conception of argument, which is explained next in brief (see Pollock (1987) Simari Loui (1992) Prakken (1992), and Loui et al. 1993) The details of argument however, are orthogonal to the issues of protocol. An argument disagrees with another if the claim of the first is contrary to what can be derived with the second. An argument counterargues another if it disagrees with some subargument of the ....

Prakken, H. "An argumentation framework in default logic," working paper, Computer/Law Institute, Free University Amsterdam, 1992.

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H. Prakken, An Argumentation Framework in Default Logic, Annals of Math. & Artif. Intell. 9(1, 2), 1993, pp. 93-132.

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