Combining Texts

You have chosen 'Function and Concept' by Gottlob Frege, 'Principles of Philosophy' by Ren Descartes and 'First-Order Modal Logic' by M Fitting/R Mendelsohn

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All the ideas for Action, or select a subheading:
      A. Definition of Action
      B. Preliminaries of Action
      C. Motives for Action