Combining Texts

You have chosen 'Tusculan Disputations' by M. Tullius Cicero, 'Lectures on the Principles of Political Obligation' by T.H. Green and 'Scientific Explanation' by R.B. Braithwaite

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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