Combining Texts

You have chosen 'New System and Explanation of New System' by Gottfried Leibniz, 'Letters to a Young Clergyman' by Jonathan Swift and 'Rules for the Direction of the Mind' by Ren Descartes

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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