Combining Texts

You have chosen 'The Value of Science' by Henri Poincaré, 'What Numbers Could Not Be' by Paul Benacerraf and 'Fact, Fiction and Forecast (4th ed)' by Nelson Goodman

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