Combining Texts

You have chosen 'What is Logic?st1=Ian Hacking' by , 'Ethics and the Limits of Philosophy' by Bernard Williams and 'Identity in Substances and True Propositions' by Gottfried Leibniz

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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