Combining Texts

You have chosen 'Locke on Essences and Kinds' by Antony Eagle, 'Identity in Substances and True Propositions' by Gottfried Leibniz and 'An Argument for the Identity Theory' by David Lewis

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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