Combining Texts

You have chosen 'Lectures 1930-32 (student notes)' by Ludwig Wittgenstein, 'Does moral phil rest on a mistake?' by H.A. Prichard and 'Letters to Leibniz 1' by Isaac Newton

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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