You have chosen 'Frege's Theory of Numbers' by Charles Parsons, 'The Structure of Empirical Knowledge' by Laurence Bonjour and 'Fourfold Root of Princ of Sufficient Reason' by Arthur Schopenhauer
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Existence, or select a subheading: |
| A. | Nature of Existence | |
| B. | Change in Existence | |
| C. | Structure of Existence | |
| D. | Theories of Reality | |
| E. | Categories |