You have chosen 'Three Grades of Modal Involvement' by Willard Quine, 'The Reality of Numbers' by John Bigelow and 'Meinong on Complexes and Assumptions' by Bertrand Russell
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
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