You have chosen 'Exigency to Exist in Essences' by Gottfried Leibniz, 'Contrib to Critique of Hegel's Phil of Right' by Karl Marx and 'Letters to Descartes' by Elizabeth, Princess of Bohemia
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 |