Combining Texts

You have chosen 'The Origin of the Work of Art' by Martin Heidegger, 'Reply to 'Rorarius' 2nd ed' by Gottfried Leibniz and 'Super Epistolam Pauli Apostoli' by Thomas Aquinas

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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