Combining Texts

You have chosen 'Elements of Mind' by Tim Crane, 'De Corpore (Elements, First Section)' by Thomas Hobbes and 'Intro to 2nd ed of Principia Mathematica' by Bertrand Russell

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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