Combining Texts

You have chosen 'Treatise on double arguments' by Anon (Diss), 'Possible Worlds' by Robert C. Stalnaker and 'Metaphysical conseqs of principle of reason' by Gottfried Leibniz

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All the ideas for Knowledge Aims, or select a subheading:
      A. Knowledge
      B. Certain Knowledge
      C. Knowing Reality