Combining Texts

You have chosen 'On the Nature of the Gods ('De natura deorum')' by M. Tullius Cicero, 'Why Propositions cannot be concrete' by Alvin Plantinga and 'What is Logic?' by Ian Hacking

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