You have chosen 'The Decline of the West' by Oswald Spengler, 'Sapiens: brief history of humankind' by Yuval Noah Harari and 'First-order Logic, 2nd-order, Completeness' by Marcus Rossberg
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 |