Zeno of Elea
Zeno of Elea was a Greek philosopher who lived in the 5th Century BCE. He described a set of paradoxes to prove that space and time are continuous and cannot be divided into discrete parts. The most famous of these are the Paradox of Achilles and the Tortoise, which purportedly shows that Achilles could never catch up with the much slower Tortoise, and the Paradox of the Arrow, which shows that an arrow in flight is always stationary.
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