You have chosen 'Theological and other works' by Joseph Priestley, 'Philosophy in the Tragic Age of the Greeks' by Friedrich Nietzsche and 'Launching Points to the Realm of the Mind' by Porphyry
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |