Combining Texts

You have chosen 'Natural Goodness' by Philippa Foot, 'Necessary Beings' by Bob Hale and 'Summa quaestionum super Sententias' by Peter John Olivi

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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