Combining Texts

You have chosen 'The Logic of Infinity' by Henri Poincaré, 'New Scientist articles' by New Scientist writers and 'Letters to the Lord Marquis of Newcastle' by Thomas Hobbes

start again     |    choose another area for these texts     |    all the ideas for this combination of texts
All the ideas for Existence, or select a subheading:
      A. Nature of Existence
      B. Change in Existence
      C. Structure of Existence
      D. Theories of Reality
      E. Categories