You have chosen 'Principle of Life and Plastic Natures' by Gottfried Leibniz, 'Morality and Human Sexuality' by Vincent C. Punzo and 'Problems of Philosophy' by Bertrand Russell
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| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |