You have chosen 'New System and Explanation of New System' by Gottfried Leibniz, 'On the Foundations of Logic and Arithmetic' by David Hilbert and 'Letters to Fardella' by Gottfried Leibniz
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| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |