Modeling Critical Questions as Additional Premises
Proceedings of the 8th International OSSA Conference, Windsor, Ontario, ed. F. Zenker, 2011
13 Pages Posted: 12 Jan 2013
Date Written: May 11, 2010
Abstract
This paper shows how the critical questions matching an argumentation scheme can be modeled in the Carneades argumentation system as three kinds of premises. Ordinary premises hold only if they are supported by sufficient arguments. Assumptions hold, by default, until they have been questioned. With exceptions the negation holds, by default, until the exception has been supported by sufficient arguments. By “sufficient arguments,” we mean arguments sufficient to satisfy the applicable proof standard.
Keywords: argumentation schemes, critical questions, artificial intelligence, Carneades system, shifting initiative in dialogue, argument from expert opinion, argument evaluation
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