You have chosen 'The Middle Works (15 vols, ed Boydston)' by John Dewey, 'On the spiritual perfection of life' by Thomas Aquinas and 'Sense Data and the Percept Theory' by Roderick Firth
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 |