Jusletter IT

The Logical Analysis of the Concept of a Right in Terms of Legal Meta-Sentences

  • Author: Hajime Yoshino
  • Category: Short Articles
  • Region: Japan
  • Field of law: Legal Theory
  • Collection: Conference proceedings IRIS 2012
  • Citation: Hajime Yoshino, The Logical Analysis of the Concept of a Right in Terms of Legal Meta-Sentences, in: Jusletter IT 29 February 2012
This paper analyzes the concept of rights from a logical point of view. We start on two types of legal sentences: legal object sentences and legal meta-sentences. A legal object sentence describes an obligation of its addressee and a legal meta-sentence describes the validity of a legal sentence. We consider a legal sentence one that describes someone’s right as a legal meta-sentence. We clarify logically how legal meta-sentences regulating rights work to establish the validity of legal object sentences in legal reasoning on a concrete legal case.

Inhaltsverzeichnis

  • 1. Introduction
  • 2. The concepts of legal sentences
  • 2.1. Legal rule and fact sentences
  • 2.2. Legal object and meta-sentences
  • 3. Fundamental legal meta-sentences
  • 3.1. The most fundamental meta-rule sentence
  • 3.2. Fundamental meta-rule sentences regulating the relation between rights and duties
  • 4. Case problem
  • 5. Analysis of changes of legal rights and duties relations
  • 5.1. Phases of the change of the validity of legal sentences through the exercise of rights
  • 5.2. The occurrence of the obligation to repair the goods
  • 6. Implementation of the reasoning of the relationship between rights and duties
  • 6.1. CPF as a logical representation method of legal knowledge
  • 6.2. Representations of fundamental legal meta-rule sentences
  • 6.3. Meta-inference engine
  • 6.4. Demonstration of inferring an obligation from the exercise of a right
  • 7. Conclusion
  • 8. Acknowledgements
  • 9. References

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