Combining Texts

You have chosen 'Logic (Encyclopedia I)' by Georg W.F.Hegel, 'Of Organum or Ars Magna of Thinking' by Gottfried Leibniz and 'The Big Book of Concepts' by Gregory L. Murphy

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All the ideas for Knowledge Criteria, or select a subheading:
      A. Justification Problems
      B. Internal Justification
      C. External Justification
      D. Scepticism
      E. Relativism