Combining Texts

You have chosen 'Two Problems of Epistemology' by Karl Popper, 'New system of communication of substances' by Gottfried Leibniz and 'Elements of Set Theory' by Herbert B. Enderton

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