You have chosen 'Exigency to Exist in Essences' by Gottfried Leibniz, 'The Foundations of Mathematics (2nd ed)' by Kenneth Kunen and 'Letter to Frege 29.12.1899' by David Hilbert
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |