Combining Texts

You have chosen 'On Nature Itself (De Ipsa Natura)' by Gottfried Leibniz, 'Papers of 1918' by Bertrand Russell and 'Attitudes De Dicto and De Se' by David Lewis

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