Combining Texts

You have chosen 'Physics and Philosophy' by Werner Heisenberg, 'On the Nature of Truth and Falsehood' by Bertrand Russell and 'The Road to Serfdom' by F.A. Hayek

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All the ideas for Thought, or select a subheading:
      A. Modes of Thought
      B. Mechanics of Thought
      C. Content
      D. Concepts
      E. Abstraction