You have chosen 'Exigency to Exist in Essences' by Gottfried Leibniz, 'Nonexistent Objects' by Terence Parsons and 'Remarks on the forces of inorganic Nature' by J.R. Mayer
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| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |