You have chosen 'Purifications (frags)' by Empedocles, 'A General Principle to Explain Laws of Nature' by Gottfried Leibniz and 'Launching Points to the Realm of the Mind' by Porphyry
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| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |