You have chosen 'Elucidation of some points in E.Schröder' by Gottlob Frege, 'Geometrical Method and Metaphysics' by Gottfried Leibniz and 'Leibniz: Guide for the Perplexed' by Franklin Perkins
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| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |