You have chosen 'Realism in Mathematics' by Penelope Maddy, 'Dialogue on human freedom and origin of evil' by Gottfried Leibniz and 'Natural Science (lost)' by Metrodorus (Chi)
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| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |