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The squirrel is making a circular path whose center point is the center of the tree. And the hunter is making a circular path with a center point that's the center of the tree. The hunter's circle is larger than the squirrel's circle. The squirrel's circle is entirely inside the hunter's circle. We agree on this, right?
If the squirrel made a circle that was so small, the center point was inside the body of the squirrel, would the hunter be circling the squirrel then? For example, say the squirrel had its paw resting on the top of the tree as it was running around the other side. Is the hunter going around the squirrel then?
What about if the squirrel is standing on the top of the tree and rotating so it was always facing the hunter? Is the hunter going around the squirrel then?
At some point, the hunter has to be going around the squirrel. When is that point?
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