You have chosen 'Letters to Jourdain' by Gottlob Frege, 'The Principles of Human Knowledge' by George Berkeley and 'Introduction to 'Language Truth and Logic'' by A.J. Ayer
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Modes of Existence, or select a subheading: |
| A. | Relations | |
| B. | Properties | |
| C. | Powers and Dispositions | |
| D. | Universals | |
| E. | Nominalism |