You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Principles of Philosophy' by Ren Descartes and 'On the Conservation of Force' by Hermann von Helmholtz
start again | choose another area for these texts | all the ideas for this combination of textsAll the ideas for Natural Theory, or select a subheading: |
A. | Speculations on Nature | |
B. | Natural Kinds | |
C. | Causation | |
D. | Laws of Nature |