Combining Texts

You have chosen 'On the analysis of moral judgements' by A.J. Ayer, 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer and 'Introduction to the Philosophy of Mind' by E.J. Lowe

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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