You have chosen 'Reply to Fourth Objections' by René Descartes, 'Remarks on the forces of inorganic Nature' by J.R. Mayer and 'Brain Bisection and Unity of Consciousness' by Thomas Nagel
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 |