For all the topologists I know

Too bad there is a hole in the middle…

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  1. OmnipotentEntity

    This is, however, topologically equivalent to a pair of shorts.

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    • Actually I don’t think it is. A pair of shorts is a 2-holed torus, but this donut cup is a 3-holed torus. If there was no opening at the top it would be homeomorphic to a pair of shorts (and useless as a drinking apparatus).

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  2. OmnipotentEntity

    Hidden due to low comment rating. Click here to see.

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  3. Did you ever consider the fact that topolocially a human being is equivalent to a cup of coffee? And some even to a donut, topologically or otherwise?

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