Combining Texts

You have chosen '27: Book of Daniel' by Anon (Dan), 'First-order Logic, 2nd-order, Completeness' by Marcus Rossberg and 'works' by Otto Neurath

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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