You have chosen 'A Discourse on Method' by René Descartes, 'On the Law of War and Peace' by Hugo Grotius and 'Sense Data and the Percept Theory' by Roderick Firth
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 |