You have chosen 'Principles of Philosophy' by René Descartes, 'Our Knowledge of the External World' by Bertrand Russell and 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz
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 |