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MENTAL MODEL · M6127

The Arrow Paradox

The Arrow Paradox
CultureHigh supportPhilosophy
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Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

Zeno's paradoxes are a series of philosophical paradoxes about the indivisibility of motion, proposed by the ancient Greek philosopher Zeno of Elea. They are known to posterity because they were recorded in Aristotle's Physics. Zeno put forward these paradoxes to support his teacher Parmenides' doctrine that "being" is unmoving and one. These paradoxes are Zeno's arguments against the existence of motion, the most famous of which are "Achilles and the Tortoise" and "The Arrow Paradox".

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Zeno's paradoxes are a series of philosophical paradoxes about the indivisibility of motion, proposed by the ancient Greek philosopher Zeno of Elea. They are known to posterity because they were recorded in Aristotle's Physics. Zeno put forward these paradoxes to support his teacher Parmenides' doctrine that "being" is unmoving and one. These paradoxes are Zeno's arguments against the existence of motion, the most famous of which are "Achilles and the Tortoise" and "The Arrow Paradox".

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Zeno deduced the contradiction of motion from the idea that "at any instant the arrow occupies a definite position and is therefore at rest, and time is composed of instants." It exposes the fallacy of replacing a continuous process with discrete slices: rest is a property of an instant, while motion is a property of an interval, and the two cannot be directly combined. The modern resolution lies in infinitesimals and limits—instantaneous velocity is nonzero, and continuity is constituted by limits rather than simple accumulation.

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