You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'An Axiomatization of Set Theory' by John von Neumann and 'Mathematical Truth' by Paul Benacerraf
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 |