Looking at probabilistic conditionals from an institutional point of view

  • Authors:
  • Christoph Beierle;Gabriele Kern-Isberner

  • Affiliations:
  • Praktische Informatik VIII – Wissensbasierte Systeme, Fachbereich Informatik, FernUniversität Hagen, Hagen, Germany;Praktische Informatik VIII – Wissensbasierte Systeme, Fachbereich Informatik, FernUniversität Hagen, Hagen, Germany

  • Venue:
  • WCII'02 Proceedings of the 2002 international conference on Conditionals, Information, and Inference
  • Year:
  • 2002

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Abstract

We show how probabilistic logic and probabilistic conditional logic can be formalized in the framework of institutions, thereby supporting the study of structural properties of both syntax and semantics of these logics. By using the notions of institution morphism and institution embedding, the relationships between probabilistic propositional logic, probabilistic conditional logic, and the underlying two-valued propositional logic are investigated in detail, telling us, for instance, precisely how to interpret probabilistic conditionals as probabilistic facts or in a propositional setting and vice versa.