You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'works' by Gerhard Gentzen and 'Theory Change and the Indeterminacy of Reference' by Hartry Field
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Mathematics, or select a subheading: |
| A. | Nature of Mathematics | |
| B. | Foundations for Mathematics | |
| C. | Sources of Mathematics |