You have chosen 'Contrib to Critique of Hegel's Phil of Right' by Karl Marx, 'Substance and Essence in Aristotle' by Charlotte Witt and 'Preface to 'Dorian Gray'' by Oscar Wilde
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 |