You have chosen 'On Duties ('De Officiis')' by M. Tullius Cicero, 'Homeostasis, Species and Higher Taxa' by Richard Boyd and 'Commentary on the Metaphysics' by Avicenna (Abu Ibn Sina)
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 |