You have chosen 'The Aim and Structure of Physical Theory' by Pierre Duhem, 'Human Society in Ethics and Politics' by Bertrand Russell and 'Naturalism in Mathematics' by Penelope Maddy
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 |