You have chosen 'Defending the Axioms' by Penelope Maddy, 'Three Dialogues of Hylas and Philonous' by George Berkeley and 'The iterative conception of Set' by George Boolos
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
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