You have chosen 'The Birth of Tragedy' by Friedrich Nietzsche, 'On the Nature of Mathematical Reasoning' by Henri Poincar and 'Grundlagen der Arithmetik (Foundations)' by Gottlob Frege
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| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |