Combining Texts

You have chosen 'Wiener Logik' by Immanuel Kant, 'Logic and Epistemology of Causal Relations' by G.H. von Wright and 'Fact, Fiction and Forecast (4th ed)' by Nelson Goodman

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All the ideas for Objects, or select a subheading:
      A. Existence of Objects
      B. Unity of Objects
      C. Structure of Objects
      D. Essence of Objects
      E. Objects over Time
      F. Identity among Objects