You have chosen 'What is Logic?st1=Ian Hacking' by , 'A Pragmatic Conception of the A Priori' by C.I. Lewis and 'De Re Aedificatoria' by Leon Battista Alberti
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 |