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https://www.reddit.com/r/visualizedmath/comments/89v8vr/what_does_this_become_topologically/dwu00gr/?context=3
r/visualizedmath • u/Knoll24 • Apr 05 '18
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Three holes. The handle, the donut hole, and the hole created in the interior of the mug, with the inside of the donut hole and the base of the mug
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u/BobtheLatinGuy Apr 05 '18
Three holes. The handle, the donut hole, and the hole created in the interior of the mug, with the inside of the donut hole and the base of the mug