You have chosen 'Categories, Classification, Cogn. Anthropology' by Roy Ellen, 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede and 'The Nature of Truth' by Harold Joachim
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 |