Combining Texts

You have chosen 'Writing the Book of the World' by Theodore Sider, 'There are no ordinary things' by Peter Unger and 'Truthmakers and Converse Barcan Formula' by Timothy Williamson

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