You have chosen 'Contrib to Critique of Hegel's Phil of Right' by Karl Marx, 'Presidential Address of Am. Math. Soc' by Oswald Veblen and 'Possible Worlds' by David Lewis
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 |