You have chosen 'On Plural Reference and Set Theory' by Helen Cartwright, 'Must We Believe in Set Theory?' by George Boolos and 'The Actual and the Possible' by Alexander R. Pruss
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |