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  • It turns out that these two knots are different, but it takes some advanced math to prove this. And I do mean advanced: not even basic knot theory can distinguish between these two objects.

    If you know something about basic knot theory (and math in general), or are feeling very brave (or just a little psychotic), or if you would like to see what advanced math looks like, you can check out the following two papers which prove these two knots are different. I do want to reiterate that these references are not for the faint of heart!

    • R. H. Fox, "On the Complementary Domains of a Certain Pair of Inequivalent Knots," Ned. Akademie Wetensch., Indag. Math. Vol 14 (1952), pp 37-40
    • H. Seifert, "Verschlingungsinvarianten," S. B. Preuss. Akad. Wiss. Berlin. Vol 26 (1933), pp 811-823.