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Three Ants...


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It's all about perception. The ant is walking in a vertical circle (inside a circle with no gravity). No matter where it is inside the circle, it appears to be continuously traveling upward. In this manner there is always an ant behind another and they are each continuously travailing up hill. But I suppose then one can not be the last ant ...

So maybe, because the ant can not look behind it, it does not know and made it up. Either way. :P

Things to do in an elevator: 14. Call the Psychic Hotline from your cell phone and ask if they know what floor you're on.

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The other ant could be going downhill or across the hill and simply have passed the three ants going uphill. Or maybe one of the ants in front of him is named Me, so there would obviously be an ant behind him. They could be being carried up the hill with their backs to each other. Lots of solutions ^_^

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we don't know how many ants there actually were, the OP says there were three ants walking up the hill: there could have been other ants behind him. also if you go behind you enough you'll be in front of the other ants. so technically if you're behind somebody you're also in front of them :huh:

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The ants are marching along the circumference inside a cylinder (eg, a toilet paper roll), no? An ant's perception of "up" not being dictated by gravity so much as by the fact that the terrain ahead is sloping closer would lead it to deduce that it is climbing even if, in fact, it is moving in "loops".

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Three ants are going up a hill, one behind the other. The last ant then says to the other ants, "There is an ant behind me!" How come?

The 3rd ant is carrying a 4th ant on his back. 3 ants are still walking up the hill and there is one ant behind the 3rd ant. If you want to get technical and say the 4th is above the 3rd ant, then the 3rd ant is dragging the 4th ant behind him. Either way, the 4th ant isn't walking.

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