You have chosen 'What is the Basis of Moral Obligation?' by H.A. Prichard, 'Remarks on the forces of inorganic Nature' by J.R. Mayer and 'On the General Idea of Proof Theory' by Dag Prawitz
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 |