Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Aristotle on Essence and Explanation' by Joan Kung and 'Process and Reality' by Alfred North Whitehead

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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