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  1. #1
    Not a Dude ChickNorris's Avatar
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    This is a topological hole argument. 1 hole for both object examples - two openings in the tube, one opening in the vase.
    My airstream has been stolen by dopers

  2. #2
    Nerdy Mod
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    Quote Originally Posted by ChickNorris View Post
    This is a topological hole argument. 1 hole for both object examples - two openings in the tube, one opening in the vase.
    What about a Klein bottle?

    https://www.kleinbottle.com/

    O2
    YOU are the first responder. Police, fire and medical are SECOND responders.
    When seconds count, the police are mere minutes away...
    Gun registration is gun confiscation in slow motion.

    My feedback: https://www.ar-15.co/threads/53226-O2HeN2

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