Science4All (english) | 0 99999... = 1??? Zeno vs infinite sums | Logic 2 @Science4allOrg | Uploaded 8 years ago | Updated 2 hours ago
Zeno once cleverly argued that Achilles could never overtake a tortoise ahead of him. For 2,000 years, this troubling argument would be a hurdle that would prevent any meaningful use of infinity. But the key to understand it all lies in the equally troubling equality 0.99999... = 1.

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