You have chosen 'The Character of Physical Law' by Richard P. Feynman, 'Paper of December 1676' by Gottfried Leibniz and 'Truthmakers and Converse Barcan Formula' by Timothy Williamson
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| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |