You have chosen 'Frege's Concept of Numbers as Objects' by Crispin Wright, 'Logic and Conversation' by H. Paul Grice 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 |