Combining Texts

You have chosen 'Through the Looking Glass' by Lewis Carroll (C.Dodgson), 'Mathematics without Foundations' by Hilary Putnam and 'Launching Points to the Realm of the Mind' by Porphyry

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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