You have chosen 'Contrib to Critique of Hegel's Phil of Right' by Karl Marx, 'Are there propositions?' by Gilbert Ryle and 'On the Cosmos (lost)' by Philolaus
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| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |