Three Characterizability Problems in Deontic Logic

  title={Three Characterizability Problems in Deontic Logic},
  author={Lennart {\AA}qvist},
We consider an infinite hierarchy of systems of Alethic Modal Logic with so-called Levels of Perfection, and add to them suitable definitions of such interesting deontic categories as those of supererogation, oVence, conditional obligation and conditional permission. We then state three problems concerning the proper characterization of the resulting logic(s) for our defined notions, and discuss two of these problems in some detail. 

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