• accideath@lemmy.world
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      21 days ago

      Nose is two. Your butt isn’t one. Or rather, your mouth and nostrils would be the entrance and your butt is the combined exit of those three holes. If you don’t count the nostrils, you only have one hole. A hole always goes through something, otherwise it’s just a cavity. And also, holes only count from one side. Your butt and mouth are the same hole, just from different ends.

      • Match!!@pawb.social
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        21 days ago

        oh! but then why is it three holes and not nostril-to-mouth as a hole and other-nostril-to-butt as another hole, or some other combination

        • yetAnotherUser@discuss.tchncs.de
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          21 days ago

          Quick illustration:

          Nostrils:
          ___________
          _________  |
          _________| |
          _________  |
          Mouth:   | |
          \________| |
           ________  |
          /        | |
                   | |
                   | |
                   | |
                   | | 
                   | |
          Butthole:
          

          That is 3 holes in total because you can “connect” any opening with 3 different one’s.

      • over_clox@lemmy.world
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        21 days ago

        Nose is only one hole, topologically speaking. You can run a string from one nostril to the other.

        One topological hole.

      • over_clox@lemmy.world
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        21 days ago

        Nose is only one hole homie, runs from one nostril to the other. It takes the mouth to add a secondary orifilce. And it takes the anus to add a third orifice.

        Topology for ya.

        • accideath@lemmy.world
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          21 days ago

          Doesn’t matter which way you turn it, the result is the same. As you count it, your first hole is nostril to nostril. I count mouth to anus as hole one and then add the left and right nostrils as secondary and tertiary orifices. Having a nose ads two holes to the total count. If you had no nose, you‘d have one hole, if you only had a nose, you’d also only have one hole.