Combining Texts

You have chosen 'Two Problems of Epistemology' by Karl Popper, 'Criterion of Validity in Reasoning' by Charles Sanders Peirce and 'Logicism and Ontological Commits. of Arithmetic' by Harold Hodes

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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