You have chosen 'The Value of Science' by Henri Poincaré, 'Specimen inventorum' by Gottfried Leibniz and 'Theory of Knowledge (2nd edn)' by Keith Lehrer
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 |