You have chosen 'The Philosopher's Toolkit' by J Baggini / PS Fosl, 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede and 'On Second-Order Logic' by George Boolos
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 |