Combining Texts

You have chosen 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz, 'Letters to the Lord Marquis of Newcastle' by Thomas Hobbes and 'Introduction to Zermelo's 1930 paper' by Michael Hallett

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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