You have chosen 'The Character of Physical Law' by Richard P. Feynman, 'Counterfactual Dependence and Time's Arrow' by David Lewis and 'An Axiomatization of Set Theory' by John von Neumann
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| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |