Combining Texts

You have chosen 'The Boundary Stones of Thought' by Ian Rumfitt, 'Boole calculus and the Concept script' by Gottlob Frege and 'Introduction to 'Hippias Minor'' by Robin Waterfield

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