Combining Texts

You have chosen 'The Boundary Stones of Thought' by Ian Rumfitt, 'Dialogue on human freedom and origin of evil' by Gottfried Leibniz and 'Introduction to the Theory of Logic' by Jos L. Zalabardo

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