You have chosen 'Remarks on the definition and nature of mathematics' by Haskell B. Curry, 'Aristotle on Friendship' by John M. Cooper and 'The Decline of the West' by Oswald Spengler
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 |