You have chosen 'Commentary on the Metaphysics' by Avicenna (Abu Ibn Sina), 'Papers of 1918' by Bertrand Russell and 'What do powers do when they are not manifested?' by Stathis Psillos
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 |