Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Science and Hypothesis' by Henri Poincar and 'Logicism and Ontological Commits. of Arithmetic' by Harold Hodes

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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