Combining Texts

You have chosen 'Quodlibeta' by Thomas Aquinas, 'How free does the will need to be?' by Bernard Williams and 'Two Chief World Systems' by Galileo Galilei

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All the ideas for Theory of Logic, or select a subheading:
      A. Overview of Logic
      B. Logical Consequence
      C. Ontology of Logic
      D. Assumptions for Logic
      E. Structures of Logic
      F. Referring in Logic
      G. Quantification
      H. Proof Systems
      I. Semantics of Logic
      J. Model Theory in Logic
      K. Features of Logics
      L. Paradox