You have chosen 'On the General Idea of Proof Theory' by Dag Prawitz, 'On the Nature of the Gods ('De natura deorum')' by M. Tullius Cicero and 'The Truth in Relativism' by Bernard Williams
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Natural Reality, or select a subheading: |
| A. | Classical Physics | |
| B. | Modern Physics | |
| C. | Space | |
| D. | Time | |
| E. | Cosmology | |
| F. | Chemistry | |
| G. | Biology |