Combining Texts

You have chosen 'What is Logic?st1=Ian Hacking' by , 'Disputed questions about truth' by Thomas Aquinas and 'A priori/A posteriori' by Albert Casullo

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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