Combining Texts

You have chosen 'The Evolution of Logic' by William D. Hart, 'The Trouble with Possible Worlds' by William Lycan and 'On the Plurality of Worlds' by David Lewis

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All the ideas for Ethics, or select a subheading:
      A. Egoism
      B. Contract Ethics
      C. Virtue Theory
      D. Deontological Ethics
      E. Utilitarianism
      F. Existentialism