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Summary: Argumentation and Standards of Proof
Katie Atkinson and Trevor Bench-Capon
Department of Computer Science
University of Liverpool
Liverpool L69 3BX UK
{katie,tbc}@csc.liv.ac.uk
ABSTRACT
In this paper we examine some previous AI and Law at-
tempts to characterise standards of proof, and relate these to
the notions of acceptability found in argumentation frame-
works, an approach which forms the basis of much recent
work on argumentation. We distinguish between the justi-
fication of facts and the justification of choices relating to
the law and its interpretation. Standards of proof most nat-
urally arise in connection with facts, but points of law have
analogous degrees of justification.
Keywords
Argumentation, standards of proof, legal reasoning, pur-
poses.
1. INTRODUCTION
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