Combining Texts

You have chosen 'Action, Intention and Reason' by Robert Audi, 'Defeasibility Theory' by Thomas Grundmann and 'Substitutional Classes and Relations' by Bertrand Russell

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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