Combining Texts

You have chosen 'From an Ontological Point of View' by John Heil, 'Letters to the Lord Marquis of Newcastle' by Thomas Hobbes and 'Identity and Necessity' by Saul A. Kripke

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All the ideas for Formal Logic, or select a subheading:
      A. Syllogistic Logic
      B. Propositional Logic PL
      C. Predicate Calculus PC
      D. Modal Logic ML
      E. Nonclassical Logics
      F. Set Theory ST
      G. Formal Mereology