Combining Texts

You have chosen 'Two Problems of Epistemology' by Karl Popper, 'Aristotle on Substance' by Mary Louise Gill and 'Of Organum or Ars Magna of Thinking' by Gottfried Leibniz

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All the ideas for Social Practice, or select a subheading:
      A. Freedoms
      B. Equalities
      C. Rights
      D. Justice
      E. Policies
      F. Life Issues