You have chosen 'On the Reduction of Necessity to Essence' by Fabrice Correia, 'Necessity, Essence and Individuation' by Alan Sidelle and 'Two Chief World Systems' by Galileo Galilei
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 |