Combining Texts

You have chosen 'Actions' by Jennifer Hornsby, 'Substances without Substrata' by N.L. Wilson and 'Inventing Logical Necessity' by Crispin Wright

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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