You have chosen 'On the Law of War and Peace' by Hugo Grotius, 'Three Grades of Modal Involvement' by Willard Quine and 'Investigations into Logical Deduction' by Gerhard Gentzen
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |