You have chosen 'Letters to Remond de Montmort' by Gottfried Leibniz, 'Nature and Observability of Causal Relations' by Curt Ducasse and 'Remarks on axiomatised set theory' by Thoralf Skolem
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 |