You have chosen 'The Aim and Structure of Physical Theory' by Pierre Duhem, 'Of Liberty and Necessity' by Thomas Hobbes and 'Travels in Four Dimensions' by Robin Le Poidevin
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 |