You have chosen 'Reply to Fourth Objections' by René Descartes, 'Fourfold Root of Princ of Sufficient Reason' by Arthur Schopenhauer and 'Ways Worlds Could Be' by Peter Forrest
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 |