Combining Texts

You have chosen 'Aristotle and Descartes on Matter' by Gottfried Leibniz, 'The Sign of Four' by Arthur Conan Doyle and 'Dialogues Concerning Natural Religion' by David Hume

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