You have chosen 'Commentary on Euclid's 'Elements'' by Proclus, 'Letter to Peter Wilhelm Lund' by Sren Kierkegaard and 'Review of 'Aenesidemus'' by Johann Fichte
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 |