You have chosen 'Tropes' by John Bacon, 'fragments/reports' by Hippias and 'Mental Models' by P. Johnson-Laird
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 |