You have chosen 'Principles of Philosophy' by René Descartes, 'On the Conservation of Force' by Hermann von Helmholtz and 'The Logic of What Might Have Been' by Nathan Salmon
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 |