Combining Texts

You have chosen 'A Discourse on Method' by René Descartes, 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer and 'How to Make our Ideas Clear' by Charles Sanders Peirce

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