You have chosen 'Principles of Nature and Grace based on Reason' by Gottfried Leibniz, 'Frege's Theory of Numbers' by Charles Parsons and 'The Second Sex' by Simone de Beauvoir
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 |