Combining Texts

You have chosen 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer, 'Building Blocks of Mathematical Logic' by Moses Schnfinkel and 'A Problem about Substitutional Quantification?' by Saul A. Kripke

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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