Combining Texts

You have chosen 'The Sayings of Confucius' by Confucius, 'Remarks on the forces of inorganic Nature' by J.R. Mayer and 'On Plural Reference and Set Theory' by Helen Cartwright

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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