Combining Texts

You have chosen 'works (all lost)' by Aristippus the elder, 'Les quaestiones de anima (lectures on the soul)' by Blasius of Parma and 'The Logic of Scientific Discovery' by Karl Popper

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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