You have chosen 'Letters to Leibniz' by Antoine Arnauld, 'Must We Believe in Set Theory?' by George Boolos and 'De aequopollentia causae et effectus' by Gottfried Leibniz
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
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