Combining Texts

You have chosen 'On Plural Reference and Set Theory' by Helen Cartwright, 'Theory of Knowledge (2nd ed 1977)' by Roderick Chisholm and 'Two treatises' by Kenelm Digby

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All the ideas for Natural Reality, or select a subheading:
      A. Classical Physics
      B. Modern Physics
      C. Space
      D. Time
      E. Cosmology
      F. Chemistry
      G. Biology