Combining Texts

You have chosen 'Elucidation of some points in E.Schröder' by Gottlob Frege, 'The Elm and the Expert' by Jerry A. Fodor and 'Reply to Fourth Objections' by Ren Descartes

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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