You have chosen 'Protagoras' by Plato, 'Of Organum or Ars Magna of Thinking' by Gottfried Leibniz and 'Fourfold Root of Princ of Sufficient Reason' by Arthur Schopenhauer
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Knowledge Aims, or select a subheading: |
| A. | Knowledge | |
| B. | Certain Knowledge | |
| C. | Knowing Reality |