Combining Texts

You have chosen '' by , 'fragments/reports' by Anaxagoras and 'What are Sets and What are they For?' by Oliver,A/Smiley,T

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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