You have chosen 'Frege's Concept of Numbers as Objects' by Crispin Wright, 'Treatise of Human Nature, Appendix' by David Hume and 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede
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 |