Combining Texts

You have chosen 'Aristotle and Descartes on Matter' by Gottfried Leibniz, 'Axiomatic Theories of Truth (2013 ver)' by Halbach,V/Leigh,G.E. and 'Among the Dead Cities' by A.C. Grayling

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All the ideas for Science, or select a subheading:
      A. Basis of Science
      B. Scientific Theories
      C. Induction
      D. Explanation