You have chosen 'The Evolution of Logic' by William D. Hart, 'Mathematics and Indispensibility' by Elliott Sober and 'Contrib to Critique of Hegel's Phil of Right' by Karl Marx
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 |