Combining Texts

You have chosen 'The Logic of Boundaryless Concepts' by Ian Rumfitt, 'Opus Maius (major works)' by Roger Bacon and 'What is the Basis of Moral Obligation?' by H.A. Prichard

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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