You have chosen 'Precepts for Advancing Science and Arts' by Gottfried Leibniz, 'Letter to the Editor about Bayle' by Gottfried Leibniz and 'The Decline of the West' by Oswald Spengler
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 |