You have chosen 'Summa quaestionum super Sententias' by Peter John Olivi, 'Human Flourishing, Ethics and Liberty' by Gilbert Harman and 'The Problem of the Essential Indexical' by John Perry
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Natural Theory, or select a subheading: |
| A. | Speculations on Nature | |
| B. | Natural Kinds | |
| C. | Causation | |
| D. | Laws of Nature |