You have chosen 'Purifications (frags)' by Empedocles, 'Philosophies of Mathematics' by A.George / D.J.Velleman and 'The Nature of Necessity' by Alvin Plantinga
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 |