Combining Texts

You have chosen 'Lectures 1930-32 (student notes)' by Ludwig Wittgenstein, 'Grundgesetze der Arithmetik 2 (Basic Laws)' by Gottlob Frege and 'Answer to 'What is Enlightenment?'' by Immanuel Kant

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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