Combining Texts

You have chosen 'Intro to Principles of Morals and Legislation' by Jeremy Bentham, 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer and 'Many, but almost one' by David Lewis

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