You have chosen 'On the Nature of the Gods' by M. Tullius Cicero, 'How to Make our Ideas Clear' by Charles Sanders Peirce and 'Notes on John Wilkins' by Gottfried Leibniz
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 |