Logical Tools for Modelling Legal Argument

Logical Tools for Modelling Legal Argument : A Study of Defeasible Reasoning in Law

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Description

This book is a revised and extended version of my PhD Thesis 'Logical Tools for Modelling Legal Argument', which I defended on 14 January 1993 at the Free University Amsterdam. The first five chapters of the thesis have remained almost completely unchanged but the other chapters have undergone considerable revision and expansion. Most importantly, I have replaced the formal argument-based system of the old Chapters 6, 7 and 8 with a revised and extended system, whieh I have developed during the last three years in collaboration with Giovanni Sartor. Apart from some technical improvements, the main additions to the old system are the enriehment of its language with a nonprovability operator, and the ability to formalise reasoning about preference criteria. Moreover, the new system has a very intuitive dialectieal form, as opposed to the rather unintuitive fixed-point appearance of the old system. Another important revision is the split of the old Chapter 9 into two new chapters. The old Section 9. 1 on related research has been updated and expanded into a whole chapter, while the rest of the old chapter is now in revised form in Chapter 10. This chapter also contains two new contributions, a detailed discussion of Gordon's Pleadings Game, and a general description of a multi-Iayered overall view on the structure of argu- mentation, comprising a logieal, dialectical, procedural and strategie layer. Finally, in the revised conclusion I have paid more attention to the relevance of my investigations for legal philosophy and argumentation theory.
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Product details

  • Hardback | 314 pages
  • 156 x 238 x 26mm | 621.43g
  • Dordrecht, Netherlands
  • English
  • Revised
  • Revised edition
  • XIII, 314 p.
  • 0792347765
  • 9780792347767

Table of contents

1. Introduction. 2. The Role of Logic in Legal Reasoning. 3. The Need for New Logical Tools. 4. Logics for Nonmonotonic Reasoning. 5. Representing Explicit Exceptions. 6. Preferring the Most Specific Argument. 7. Reasoning with Inconsistent Information. 8. Reasoning About Priority Relations. 9. Systems for Defeasible Argumentation. 10. Using the Argumentation System. 11. Conclusion. A. Notations, Orderings and Glossary. References. Index.
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Review quote

`The main contribution of Prakken's work is its organization and expression of non-technical ideas. Prakken successfully makes the best possible case for logic as a tool for modeling legal reasoning. He has written the best, most technically detailed, and fairest survey of the formal work on argument and defeasible reasoning.'
Ronald P. Loui, Artificial Intelligence and Law, 3 (1995)
`... Prakken has written the best current text with which the interested logician can quickly study the main surviving applicable ideas of non-monotonic reasoning and can glimpse the themes that are shaping current research in defeasible reasoning.'
The Journal of Symbolic Logic, 64:4 (1999)
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