Combining Texts

You have chosen 'Experience First (and reply)' by Dougherty,T/Rysiew,P, 'Causal Powers' by Harr,R./Madden,E.H. and 'Mental Acts: their content and their objects' by Peter Geach

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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