You have chosen 'Fragments and accounts of Gorgias' by Gorgias, 'Pref to new 'Materialist Theory'' by David M. Armstrong and 'The Justification of Deduction' by Michael Dummett
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| A. | A Priori Knowledge | |
| B. | Perception | |
| C. | Rationalism | |
| D. | Empiricism | |
| E. | Direct Knowledge |