You have chosen 'The Value of Science' by Henri Poincaré, 'On the General Idea of Proof Theory' by Dag Prawitz and 'The Identity of Indiscernibles' by Max Black
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 |