Combining Texts

You have chosen 'What is Logic?st1=Ian Hacking' by , 'Elements of Geometry' by Euclid and 'Theory of Good and Evil' by Hastings Rashdall

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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