You have chosen 'Presidential Address of Am. Math. Soc' by Oswald Veblen, 'The Essence of Reference' by Mark Sainsbury and 'The Origin of Forms and Qualities' by Robert Boyle
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 |