You have chosen 'Frege's Concept of Numbers as Objects' by Crispin Wright, 'The Ways of Paradox' by Willard Quine and 'Introduction to 'Language Truth and Logic'' by A.J. Ayer
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 |