You have chosen '67: Platonic Questions' by Plutarch, 'First-order Logic, 2nd-order, Completeness' by Marcus Rossberg and 'On the General Idea of Proof Theory' by Dag Prawitz
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| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |