You have chosen 'Set Theory' by Kenneth Kunen, 'Intro to Naming,Necessity and Natural Kinds' by Stephen P. Schwartz and 'Rules for the Direction of the Mind' by Ren Descartes
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 |