Combining Texts

You have chosen 'On the General Idea of Proof Theory' by Dag Prawitz, 'The Limits of Abstraction' by Kit Fine and 'Logic and Conversation' by H. Paul Grice

start again     |    choose another area for these texts     |    all the ideas for this combination of texts
All the ideas for Natural Theory, or select a subheading:
      A. Speculations on Nature
      B. Natural Kinds
      C. Causation
      D. Laws of Nature