Combining Texts

You have chosen 'The Evolution of Logic' by William D. Hart, 'The Correspondence Theory of Truth' by D.J. O'Connor and 'Regressive Method for Premises in Mathematics' by Bertrand Russell

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