Prioritized Norms in Formal Argumentation

Beishui Liao 1 Nir Oren 2 Leendert Van Der Torre 3 Serena Villata 4
4 WIMMICS - Web-Instrumented Man-Machine Interactions, Communities and Semantics
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - SPARKS - Scalable and Pervasive softwARe and Knowledge Systems
Abstract : To resolve conflicts among norms,various nonmonotonic formalisms can be used to perform prioritized normative reasoning. Meanwhile, formal argumentation provides a way to represent nonmonotonic logics. In this paper, we propose a representation of prioritized normative reasoning by argumentation. Using hierarchical abstract normative systems, we define three kinds of prioritized normative reasoning approaches, called Greedy, Reduction, and Optimization. Then, after formulating an argumentation theory for a hierarchical abstract normative system, we show that for a totally ordered hierarchical abstract normative system, Greedy and Reduction can be represented in argumentation by applying the weakest link and the last link principles respectively, and Optimization can be represented by introducing additional defeats capturing implicit conflicts between arguments.
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https://hal.archives-ouvertes.fr/hal-01643737
Contributor : Serena Villata <>
Submitted on : Tuesday, November 21, 2017 - 3:55:22 PM
Last modification on : Monday, November 5, 2018 - 3:52:09 PM

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  • HAL Id : hal-01643737, version 1
  • ARXIV : 1709.08034

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Beishui Liao, Nir Oren, Leendert Van Der Torre, Serena Villata. Prioritized Norms in Formal Argumentation. 2017. ⟨hal-01643737⟩

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