Combining Texts

You have chosen 'The Problem of Empty Names' by Marga Reimer, 'Frege on Knowing the Third Realm' by Tyler Burge and 'A Completeness Theorem in Modal Logic' by Saul A. Kripke

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All the ideas for Natural Theory, or select a subheading:
      A. Speculations on Nature
      B. Natural Kinds
      C. Causation
      D. Laws of Nature