Combining Texts

You have chosen 'On 'Generation and Corruption'' by Nicole Oresme, 'Our Knowledge of the External World' by Bertrand Russell and 'Contrib to Critique of Hegel's Phil of Right' by Karl Marx

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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