You have chosen 'Investigations in the Foundations of Set Theory I' by Ernst Zermelo, 'What is Justified Belief?' by Alvin I. Goldman and 'On Sense and Reference' by Gottlob Frege
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 |