You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Reason, Truth and History' by Hilary Putnam and 'fragments/reports' by Hecato
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 |