Combining Texts

You have chosen 'New System and Explanation of New System' by Gottfried Leibniz, 'Nature and Utility of Religion' by John Stuart Mill and 'Lives of Eminent Philosophers' by Diogenes Laertius

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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