In both fields the notion of defeat is central-in argumentation defeat is among arguments, but in defeasible logic defeat is typically among rules.
However, this early work can be seen as essential to the practical implementation of argumentation-based systems.
Unfortunately, some examples are unglossed or otherwise hard to interpret, and the argumentation is sometimes less than totally clear.
And, in this regard, the assertion (p. 67) that a human security approach is less encroaching on national sovereignty really needs greater proof and argumentation.
Thus, discourse theory provides a normative theory of rational argumentation and a justification of collective decisions upon norms.
Rhetorical argumentation incorporates a wider range of influences than normally seen in logical argumentation.
The model used in constructing the agent is based on a formal analysis of the scenario using game-theoretic methods and heuristics for argumentation.
Maybe we should seek a rich axiomatization for defining the relationships that can hold between the constructs proposed in rhetorical argumentation.
