Combining Texts

You have chosen 'In Defense of Essentialism' by L.A. Paul, 'New System and Explanation of New System' by Gottfried Leibniz and 'Practical Necessity' by Bernard Williams

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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