Combining Texts

You have chosen 'The Theory of Logical Types' by Bertrand Russell, 'What We Owe to Each Other' by Thomas M. Scanlon and 'An Analysis of Knowledge and Valuation' by C.I. 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