You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Lecture on Applicability of Mathematics' by Steven Weinberg and 'Queries to the 'Opticks'' by Isaac Newton
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| A. | Justification Problems | |
| B. | Internal Justification | |
| C. | External Justification | |
| D. | Scepticism | |
| E. | Relativism |