You have chosen 'Frege's Concept of Numbers as Objects' by Crispin Wright, 'How to Define Theoretical Terms' by David Lewis and 'Fragments on My Philosophical Development' by Ludwig Feuerbach
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 |