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单词 positive introspection
释义
positive introspection

Logic
  • In modal logic, the epistemic reading of the 4 axiom scheme:

    • φφ

    where is a necessity operator and is a conditional connective. When is given an epistemic reading as a knowledge operator, this is equivalent to

    • if α knows that φ, then α knows that α knows that φ.

    This is sometimes called the KK principle, and is subject to some standard counter examples.


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