You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Remarks on the Foundations of Mathematics' by Ludwig Wittgenstein and 'Russell's Mathematical Logic' by Kurt Gdel
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 |