You have chosen 'The Origin of the Work of Art' by Martin Heidegger, 'Fourfold Root of Princ of Sufficient Reason' by Arthur Schopenhauer and 'Philosophical Implications of Mathematical logic' by Bertrand Russell
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 |