You have chosen 'Summa quaestionum super Sententias' by Peter John Olivi, 'Intro to 2nd ed of Principia Mathematica' by Bertrand Russell and 'Nominalism and Substitutional Quantifiers' by Ruth Barcan Marcus
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 |