Combining Texts

You have chosen 'Conspectus libelli (book outline)' by Gottfried Leibniz, 'Mental Acts: their content and their objects' by Peter Geach and 'Letter to G.H. Schaller' by Baruch de Spinoza

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