Combining Texts

You have chosen 'What Does It Take to Refer?' by Kent Bach, 'Essential vs Accidental Properties' by Adolph Rami and 'Precepts for Advancing Science and Arts' by Gottfried Leibniz

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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