You have chosen 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer, 'Remarks on the definition and nature of mathematics' by Haskell B. Curry and 'Building Blocks of Mathematical Logic' by Moses Schnfinkel
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 |