You have chosen 'Survival and Identity, with postscript' by David Lewis, 'A Discourse on Method' by Ren Descartes and 'Presidential Address of Am. Math. Soc' by Oswald Veblen
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
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