You have chosen 'Action, Intention and Reason' by Robert Audi, 'Speeches in Elberfeld' by Friedrich Engels and 'Reasoning and the Logic of Things' by Charles Sanders Peirce
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 |