You have chosen 'Rationality' by Gilbert Harman, 'Causal Powers' by Harr,R./Madden,E.H. and 'Phenomenal and Perceptual Concepts' by David Papineau
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 |