Aven Bross

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The permutationlock domain

Jun 10, 2018

The domain name “permutation lock” is something that I came up with back in high school when I learned that the locking mechanism on a “combination lock” does not fit with the combinatorial notion of a combination.

Unfortunately for high school me, combination locks aren’t generally permutation locks either since repeat numbers are allowed. The name “function-from-an-n-set-to-the-natural-numbers lock” doesn’t roll off of the tongue quite as well though.