You have chosen 'works (all lost)' by Aristippus the elder, 'Introduction to the Philosophy of Mathematics' by Mark Colyvan and 'The Fragmentation of Value' by Thomas Nagel
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| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |