You have chosen 'On the Nature of the Gods ('De natura deorum')' by M. Tullius Cicero, 'Proof that every set can be well-ordered' by Ernst Zermelo and 'Introduction to Zermelo's 1930 paper' by Michael Hallett
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| A. | Nature of Mathematics | |
| B. | Foundations for Mathematics | |
| C. | Sources of Mathematics |