You have chosen 'Grounding, Transitivity and Contrastivity' by Jonathan Schaffer, 'On the General Idea of Proof Theory' by Dag Prawitz and 'Reply to 'Rorarius' 2nd ed' by Gottfried Leibniz
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 |