Combining Texts

You have chosen 'Homeostasis, Species and Higher Taxa' by Richard Boyd, 'What is the Basis of Moral Obligation?' by H.A. Prichard and 'Enquiry concerning Principles of Morals' by David Hume

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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