Combining Texts

You have chosen 'Action, Intention and Reason' by Robert Audi, 'The Principles of Science' by William S. Jevons and 'Clarification and Defense of Grounding' by Paul Audi

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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