You have chosen 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer, 'Writing the Book of the World' by Theodore Sider and 'An American Indian model of the Universe' by Benjamin Lee Whorf
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| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |