Diagram of distance vs. time for the footrace between Achilles and the tortoise. According to Zeno, Achilles can never overtake the tortoise.
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#00e700;color:#202122;text-align:center;"> </div> Tortoise</div>
<div class="legend" style="direction:ltr;line-height:23px;"><div class="legend-content" style="display:inline-block;vertical-align:top;box-sizing:border-box;width:34px;height:23px;overflow:hidden;font-size:15px;border:thin solid #333;background:#ff31ffff;color:#202122;text-align:center;"> </div> Achilles</div>
<a href="//commons.wikimedia.org/wiki/User:Mrmw" title="User:Mrmw">Mrmw</a>
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Race_between_Achilles_and_the_tortoise.gif" title="File:Race between Achilles and the tortoise.gif">Race between Achilles and the tortoise.gif</a>: <a href="//commons.wikimedia.org/wiki/File:Race_between_Achilles_and_the_tortoise.gif" class="image"><img alt="Race between Achilles and the tortoise.gif" src="https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Race_between_Achilles_and_the_tortoise.gif/80px-Race_between_Achilles_and_the_tortoise.gif" decoding="async" width="80" height="80" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Race_between_Achilles_and_the_tortoise.gif/120px-Race_between_Achilles_and_the_tortoise.gif 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Race_between_Achilles_and_the_tortoise.gif/160px-Race_between_Achilles_and_the_tortoise.gif 2x" data-file-width="512" data-file-height="512"></a>