You have chosen 'Principle of Life and Plastic Natures' by Gottfried Leibniz, 'The iterative conception of Set' by George Boolos and 'The Universe as We Find It' by John Heil
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
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