Eric Schechter personal blog
What are the 'real numbers', really?
The short, simple answer used in calculus courses is that a real number is a point on the number line . That's not the whole truth, but it is adequate for the needs of freshman calculus. The freshman calculus course (at most universities nowadays) follows the 17th century style of Newton and Leibniz, emphasizing…
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On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Dec 26, 2013 | What are the 'real numbers', really? by dhammack | 107 | 96 |
