You have chosen 'On the Principles of Indiscernibles' by Gottfried Leibniz, 'Sickness unto Death' by Sren Kierkegaard and 'Remarks on the definition and nature of mathematics' by Haskell B. Curry
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 |