Combining Texts

You have chosen 'The Methods of Ethics (7th edn)' by Henry Sidgwick, 'The Essence of Aesthetic' by Benedetto Croce and 'Wittgenstein on Rules and Private Language' by Saul A. Kripke

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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