You have chosen 'The General Theory of Employment' by Maynard Keynes, 'On Body and Force, Against the Cartesians' by Gottfried Leibniz and 'Quaestiones de anima' by Thomas Aquinas
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 |